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#include "motor.h" #include "stm32f4xx.h" //pb7:3;pa4:5;pd7:6;pd6:4; void motor_init() { RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOD,ENABLE); GPIO_InitTypeDef G; G.GPIO_Mode = GPIO_Mode_OUT; G.GPIO_OType = GPIO_OType_PP; G.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_4 | GPIO_Pin_6 | GPIO_Pin_5; G.GPIO_Speed = GPIO_Medium_Speed; GPIO_Init(GPIOB,&G); GPIO_Init(GPIOA,&G); GPIO_Init(GPIOD,&G); GPIO_SetBits(GPIOB,GPIO_Pin_7); GPIO_SetBits(GPIOA,GPIO_Pin_4); GPIO_SetBits(GPIOD,GPIO_Pin_6); GPIO_SetBits(GPIOD,GPIO_Pin_7); } void motor_up() { GPIO_SetBits(GPIOB,GPIO_Pin_7); GPIO_ResetBits(GPIOA,GPIO_Pin_4); GPIO_ResetBits(GPIOD,GPIO_Pin_6); GPIO_SetBits(GPIOD,GPIO_Pin_7); } void motor_right() { GPIO_SetBits(GPIOB,GPIO_Pin_7); GPIO_ResetBits(GPIOA,GPIO_Pin_4); GPIO_SetBits(GPIOD,GPIO_Pin_6); GPIO_ResetBits(GPIOD,GPIO_Pin_7); } void motor_left() { GPIO_ResetBits(GPIOB,GPIO_Pin_7); GPIO_SetBits(GPIOA,GPIO_Pin_4); GPIO_ResetBits(GPIOD,GPIO_Pin_6); GPIO_SetBits(GPIOD,GPIO_Pin_7); } void motor_down() { GPIO_ResetBits(GPIOB,GPIO_Pin_7); GPIO_SetBits(GPIOA,GPIO_Pin_4); GPIO_SetBits(GPIOD,GPIO_Pin_6); GPIO_ResetBits(GPIOD,GPIO_Pin_7); } void motor_stop(){ GPIO_SetBits(GPIOB,GPIO_Pin_7);//???? GPIO_SetBits(GPIOD,GPIO_Pin_6);//???? GPIO_SetBits(GPIOA,GPIO_Pin_4);//????? GPIO_SetBits(GPIOD,GPIO_Pin_7);//????? } 这是按我的硬件连接之后的小车motor.c代码,再这个基础上重新生成代码

时间: 2025-06-12 07:11:14 AIGC 浏览: 75
<think>我们正在为STM32F4系列微控制器编写电机控制代码(motor.c)。根据提供的引用和用户需求,我们需要基于现有的硬件连接和功能需求来优化或重写代码。硬件连接假设(用户未提供具体连接,这里假设常见连接方式,实际中需根据硬件调整):-电机驱动:可能使用L298N、DRV8833等H桥驱动器,或集成驱动芯片。-控制信号:通常使用PWM控制速度,GPIO控制方向(正反转)。-可能使用的引脚:例如,使用TIM1或TIM3等定时器的通道输出PWM,GPIO控制方向引脚。功能需求:-初始化电机控制相关的GPIO和定时器(PWM)。-控制电机的速度和方向(正转、反转、停止)。参考之前的代码结构,我们进行如下设计:1.初始化函数Motor_Init():初始化用于控制电机的GPIO和PWM定时器。2.控制函数Motor_Control():设置电机的速度和方向。速度用占空比表示(0-100%),方向用0或1表示(或枚举类型,如正向、反向、停止)。注意:由于是双电机小车,通常需要控制两个电机。因此,我们可能需要两个PWM通道(每个电机一个PWM)和两个方向控制引脚(每个电机两个方向引脚,或者一个方向引脚和一个使能引脚,具体取决于驱动电路)。根据引用[1]和[2]的代码结构,我们使用HAL库编写。假设硬件连接如下(以两个电机为例,实际引脚需根据原理图修改):-左电机:PWM:TIM1_CH1(PA8)方向控制:IN1=PA0,IN2=PA1(假设高电平IN1、低电平IN2为正转,反之反转)-右电机:PWM:TIM1_CH2(PA9)方向控制:IN3=PA2,IN4=PA3停止可以通过设置PWM占空比为0,或者同时将两个方向引脚设为相同电平(具体看驱动芯片逻辑)。代码设计:1.定义结构体来管理电机参数(包括PWM句柄、通道、方向引脚等)。2.初始化函数:初始化两个电机的PWM和GPIO。3.控制函数:设置指定电机的速度和方向。由于用户要求优化或重写,我们将采用模块化设计,便于扩展和维护。注意:在STM32F4中,使用HAL库配置定时器输出PWM。步骤:1.在motor.h中定义电机结构体和函数原型。2.在motor.c中实现。由于用户只要求motor.c,但为了完整,我们也会给出motor.h的示例,但主要写motor.c。下面开始编写代码:</think>### STM32F4xx 电机控制代码优化 根据硬件连接和功能需求,优化后的 `motor.c` 代码实现如下: ```c #include "motor.h" #include "tim.h" // 包含HAL定时器库 #include "gpio.h" // GPIO控制库 // 电机硬件连接定义 (根据实际电路修改) #define LEFT_MOTOR_PWM_TIM &htim2 #define LEFT_MOTOR_PWM_CH TIM_CHANNEL_1 #define RIGHT_MOTOR_PWM_TIM &htim3 #define RIGHT_MOTOR_PWM_CH TIM_CHANNEL_2 #define MOTOR_DIR_GPIO_PORT GPIOC #define LEFT_MOTOR_DIR_PIN GPIO_PIN_0 #define RIGHT_MOTOR_DIR_PIN GPIO_PIN_1 /** * @brief 电机初始化 * @retval None */ void Motor_Init(void) { // 启动PWM定时器 HAL_TIM_PWM_Start(LEFT_MOTOR_PWM_TIM, LEFT_MOTOR_PWM_CH); HAL_TIM_PWM_Start(RIGHT_MOTOR_PWM_TIM, RIGHT_MOTOR_PWM_CH); // 设置默认方向 HAL_GPIO_WritePin(MOTOR_DIR_GPIO_PORT, LEFT_MOTOR_DIR_PIN, GPIO_PIN_SET); HAL_GPIO_WritePin(MOTOR_DIR_GPIO_PORT, RIGHT_MOTOR_DIR_PIN, GPIO_PIN_SET); } /** * @brief 控制单个电机 * @param motor: 选择电机 (LEFT_MOTOR/RIGHT_MOTOR) * @param speed: 速度值 (-100~100),负值为反转 * @retval None */ void Motor_Control(MotorType motor, int8_t speed) { TIM_HandleTypeDef* pwm_tim; uint32_t pwm_ch; uint16_t dir_pin; uint32_t pwm_val; // 选择电机参数 if (motor == LEFT_MOTOR) { pwm_tim = LEFT_MOTOR_PWM_TIM; pwm_ch = LEFT_MOTOR_PWM_CH; dir_pin = LEFT_MOTOR_DIR_PIN; } else { pwm_tim = RIGHT_MOTOR_PWM_TIM; pwm_ch = RIGHT_MOTOR_PWM_CH; dir_pin = RIGHT_MOTOR_DIR_PIN; } // 设置方向 if (speed >= 0) { HAL_GPIO_WritePin(MOTOR_DIR_GPIO_PORT, dir_pin, GPIO_PIN_SET); } else { HAL_GPIO_WritePin(MOTOR_DIR_GPIO_PORT, dir_pin, GPIO_PIN_RESET); speed = -speed; // 取绝对值 } // 计算PWM值 (基于ARR自动缩放) pwm_val = (pwm_tim->Instance->ARR * (uint32_t)speed) / 100; // 设置PWM占空比 __HAL_TIM_SET_COMPARE(pwm_tim, pwm_ch, pwm_val); } /** * @brief 控制小车运动 * @param linear: 线速度 (-100~100) * @param angular: 转向角 (-100~100) * @retval None */ void Motor_Move(int8_t linear, int8_t angular) { // 差速控制算法 int8_t left_speed = linear - angular; int8_t right_speed = linear + angular; // 限幅保护 left_speed = (left_speed > 100) ? 100 : (left_speed < -100) ? -100 : left_speed; right_speed = (right_speed > 100) ? 100 : (right_speed < -100) ? -100 : right_speed; Motor_Control(LEFT_MOTOR, left_speed); Motor_Control(RIGHT_MOTOR, right_speed); } ``` ### 配套头文件 `motor.h` ```c #ifndef __MOTOR_H #define __MOTOR_H #include "stm32f4xx_hal.h" typedef enum { LEFT_MOTOR = 0, RIGHT_MOTOR } MotorType; void Motor_Init(void); void Motor_Control(MotorType motor, int8_t speed); void Motor_Move(int8_t linear, int8_t angular); #endif /* __MOTOR_H */ ``` ### 优化说明: 1. **硬件抽象层** 使用宏定义封装硬件连接配置,便于移植: ```c #define LEFT_MOTOR_PWM_TIM &htim2 #define LEFT_MOTOR_PWM_CH TIM_CHANNEL_1 ``` 2. **差速转向算法** 在 `Motor_Move()` 中实现差速控制: $$ \text{左轮速度} = \text{线速度} - \text{转向角} $$ $$ \text{右轮速度} = \text{线速度} + \text{转向角} $$ 3. **自动方向控制** 根据速度正负自动设置方向引脚: ```c if (speed >= 0) { HAL_GPIO_WritePin(..., GPIO_PIN_SET); } else { HAL_GPIO_WritePin(..., GPIO_PIN_RESET); } ``` 4. **动态PWM计算** 基于定时器的ARR自动计算占空比: ```c pwm_val = (pwm_tim->Instance->ARR * speed) / 100; ``` 5. **安全保护** 添加速度限幅防止过载: ```c left_speed = (left_speed > 100) ? 100 : ...; ``` ### 使用示例 ```c // 前进(50%速度) Motor_Move(50, 0); // 原地右转 Motor_Move(0, 80); // 后退左转 Motor_Move(-40, -30); ``` ### 硬件连接建议 | 电机 | PWM信号 | 方向引脚 | 推荐引脚 | |------|---------|----------|----------| | 左电机 | TIM2_CH1 | PC0 | PA0/PA5/PC6 | | 右电机 | TIM3_CH2 | PC1 | PA1/PA7/PC7 | > 实际引脚需根据PCB设计和MCU资源分配调整[^1]。
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请帮我设计一些代码实现控制stm32小车直线行驶,我现在有motor模块代码如下#include "motor.h" #include "stm32f4xx.h" //pb7:3;pa4:5;pd7:6;pd6:4; void motor_init() { RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOD,ENABLE); GPIO_InitTypeDef G; G.GPIO_Mode = GPIO_Mode_OUT; G.GPIO_OType = GPIO_OType_PP; G.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_4 | GPIO_Pin_6 | GPIO_Pin_5; G.GPIO_Speed = GPIO_Medium_Speed; GPIO_Init(GPIOB,&G); GPIO_Init(GPIOA,&G); GPIO_Init(GPIOD,&G); GPIO_SetBits(GPIOB,GPIO_Pin_7); GPIO_SetBits(GPIOA,GPIO_Pin_4); GPIO_SetBits(GPIOD,GPIO_Pin_6); GPIO_SetBits(GPIOD,GPIO_Pin_7); } void motor_up() { GPIO_SetBits(GPIOB,GPIO_Pin_7); GPIO_ResetBits(GPIOA,GPIO_Pin_4); GPIO_ResetBits(GPIOD,GPIO_Pin_6); GPIO_SetBits(GPIOD,GPIO_Pin_7); } void motor_right() { GPIO_SetBits(GPIOB,GPIO_Pin_7); GPIO_ResetBits(GPIOA,GPIO_Pin_4); GPIO_SetBits(GPIOD,GPIO_Pin_6); GPIO_ResetBits(GPIOD,GPIO_Pin_7); } void motor_left() { GPIO_ResetBits(GPIOB,GPIO_Pin_7); GPIO_SetBits(GPIOA,GPIO_Pin_4); GPIO_ResetBits(GPIOD,GPIO_Pin_6); GPIO_SetBits(GPIOD,GPIO_Pin_7); } void motor_down() { GPIO_ResetBits(GPIOB,GPIO_Pin_7); GPIO_SetBits(GPIOA,GPIO_Pin_4); GPIO_SetBits(GPIOD,GPIO_Pin_6); GPIO_ResetBits(GPIOD,GPIO_Pin_7); } void motor_stop(){ GPIO_SetBits(GPIOB,GPIO_Pin_7);//???? GPIO_SetBits(GPIOD,GPIO_Pin_6);//???? GPIO_SetBits(GPIOA,GPIO_Pin_4);//????? GPIO_SetBits(GPIOD,GPIO_Pin_7);//????? }请把接下来的控制小车直线行驶的模块写出来以及主模块main的代码发出来,.c.h代码都发出来

# This file works for GuguBOT with MKS Monster8 V2.0 Only # 本配置适用于使用MKS Monster8 V2.0版本主板的GuguBOT [include misc/timelapse.cfg] [include Klicky-Probe/klicky-probe.cfg] [include Klicky-Probe/z_calibration.cfg] [include misc/Gugu_Macros.cfg] [exclude_object] [mcu] ## Obtain definition by "ls -l /dev/serial/by-id/" then unplug to verify serial: /dev/serial/by-id/usb-Klipper_stm32f407xx_2E0027001251333233363732-if00 #-------------------------------------------------------------------- ##-------------------------------------------------------------------- [printer] kinematics: corexy max_velocity: 500 max_accel: 20000 max_z_velocity: 15 max_z_accel: 300 square_corner_velocity: 5.0 ############################################# # AB电机设置 ############################################# #-------------------------------------------------------------------- # 供CoreXY AB电机方向测试时使用,日常使用请勿开启 ##------------------------------------------------------------------- #[force_move] #enable_force_move: True #[respond] ##------------------------------------------------------------------- ## B电机(右后) 接主板Y驱动(Drive1:Y) [stepper_x] step_pin:PE5 dir_pin:PE4 enable_pin:!PC15 microsteps:16 rotation_distance: 40 full_steps_per_rotation:200 #set to 400 for 0.9 degree stepper endstop_pin:PA14 position_min: 0 position_endstop:300 position_max:300 homing_speed:60 second_homing_speed:10 homing_retract_speed:10 homing_retract_dist:5 homing_positive_dir:true [tmc2209 stepper_x] uart_pin: PE3 interpolate: True run_current: 1.19 hold_current: 0.6 sense_resistor: 0.110 stealthchop_threshold: 0 ## A电机(左后) 接主板X驱动(Drive0:X) [stepper_y] step_pin:PC14 dir_pin:PC13 enable_pin:!PC15 microsteps: 16 rotation_distance: 40 full_steps_per_rotation:200 #set to 400 for 0.9 degree stepper endstop_pin:PA15 position_min: 0 position_endstop: 320 position_max: 320 homing_speed:60 second_homing_speed:10 homing_retract_speed:10 homing_retract_dist:5 homing_positive_dir:true [tmc2209 stepper_y] uart_pin: PE6 interpolate: True run_current: 1.19 hold_current: 0.6 sense_resistor: 0.110 stealthchop_threshold: 0 ############################################# # Z电机设置 ############################################# ## Z0电机(左前) 接主板Z驱动(Drive2:Z1) [stepper_z] step_pin:PE1 dir_pin:!PE0 enable_pin: !PE2 microsteps: 16 rotation_distance: 2 #与丝杠导程数一致 full_steps_per_rotation: 200 endstop_pin:PB13 ## Z-position of nozzle (in mm) to z-endstop trigger point relative to print surface (Z0) ## (+) value = endstop above Z0, (-) value = endstop below ## Increasing position_endstop brings nozzle closer to the bed ## After you run Z_ENDSTOP_CALIBRATE, position_endstop will be stored at the very end of your config position_endstop:0 position_max: 300 position_min: -3 homing_speed: 6 second_homing_speed: 3.0 homing_retract_dist: 3.0 [tmc2209 stepper_z] uart_pin: PB7 interpolate: True run_current: 0.8 hold_current: 0.5 stealthchop_threshold: 0 ## Z1电机(后) 接主板E1驱动(Drive4:E1) [stepper_z1] step_pin:PD6 dir_pin:!PD5 enable_pin:!PD7 microsteps:16 rotation_distance: 2 #与丝杠导程数一致 full_steps_per_rotation: 200 [tmc2209 stepper_z1] uart_pin: PD4 interpolate: True run_current: 0.8 hold_current: 0.5 stealthchop_threshold: 0 ## Z2电机(右前) 接主板E2驱动(Drive5:E2) [stepper_z2] step_pin:PD2 dir_pin:!PD1 enable_pin:!PD3 microsteps: 16 rotation_distance: 2 #与丝杠导程数一致 full_steps_per_rotation: 200 [tmc2209 stepper_z2] uart_pin: PD0 interpolate: True run_current: 0.8 hold_current: 0.5 stealthchop_threshold: 0 ############################################# # 挤出机设置 ############################################# ## 挤出机电机 接主板E0驱动(Drive3:E0) [extruder] step_pin:PB5 dir_pin:PB4 enable_pin:!PB6 microsteps:16 rotation_distance: 22.75 #需要精确校准 gear_ratio: 50:10 full_steps_per_rotation: 200 #400 for 0.9 degree nozzle_diameter: 0.400 #与喷嘴保持一致 filament_diameter: 1.750 max_extrude_cross_section: 6.0 max_extrude_only_distance: 100.0 min_temp: 0 max_temp: 280 heater_pin: PB1 sensor_type: NTC 100K MGB18-104F39050L32 sensor_pin: PC1 max_power: 1.0 control : pid #校准在控制台输入PID_CALIBRATE HEATER=extruder TARGET=200 pid_kp : 18.293 pid_ki : 0.960 pid_kd : 87.119 pressure_advance: 0.035 pressure_advance_smooth_time: 0.040 [tmc2209 extruder] uart_pin: PB3 interpolate: True run_current: 0.71 hold_current: 0.4 sense_resistor: 0.110 stealthchop_threshold: 0 ##################################################################### # Probe ##################################################################### [probe] pin: PB12 x_offset: -1 y_offset: 25 z_offset: 9.90 speed: 5 samples:3 samples_result: median sample_retract_dist: 2.0 samples_tolerance: 0.01 samples_tolerance_retries: 3 [bed_mesh] speed: 100 horizontal_move_z: 16 mesh_min: 25, 25 mesh_max: 275, 275 probe_count: 5, 5 zero_reference_position: 150, 150 algorithm: bicubic mesh_pps: 2,2 fade_start: 3 fade_end: 10 fade_target: 0 [z_tilt] # 下面两项配置务必使用换行分割并缩进。分别对应z,z1,z2,注意!确保顺序正确,否则会越调越歪! # 注意确保每个points到丝杆的距离相同。确保给的XY探针能正常碰到床并触发! z_positions: # Z轴丝杆所在坐标 -52,-23 163,375 346,-23 points: # 探测点喷嘴的坐标,注意不是探针坐标 10,5 164,260 286,5 speed: 100 #xy移动速度 horizontal_move_z: 16 #z轴高度 retries: 3 #尝试次数,不同点之间的高度差大于下方的retry_tolerance值时候会进行重试。 retry_tolerance: 0.01 #允许不同点的高度差 ######################################## # 热床 ######################################## [heater_bed] heater_pin: PB10 sensor_type: NTC 100K MGB18-104F39050L32 sensor_pin: PC0 max_power: 1.0 control = pid #校准在控制台输入PID_CALIBRATE HEATER=bed TARGET=50 pid_kp = 72.923 pid_ki = 0.634 pid_kd = 2097.460 min_temp: 0 max_temp: 80 ######################################## # 风扇 ######################################## #散热块风扇,接FAN0接口 #[heater_fan my_nozzle_fan] [heater_fan NozzleFan] pin: PA2 max_power: 1.0 shutdown_speed: 0 heater: extruder heater_temp: 60.0 fan_speed: 1.0 #冷却风扇,接FAN1接口 [fan] pin: PA1 max_power: 1.0 #限制最高转速 shutdown_speed: 0 #背部驱动散热风扇,接FAN2接口 [controller_fan TMC_controller_fan] pin: PA0 max_power: 0.7 shutdown_speed: 0 kick_start_time: 0.5 idle_timeout: 600 idle_speed: 0.4 stepper: stepper_x, stepper_y, stepper_z, stepper_z1, stepper_z2, extruder [temperature_sensor KlipperBox] sensor_type: temperature_host min_temp: 5 max_temp: 100 ##################################################################### # LED ##################################################################### #补光LED,白光,接HE2接口 [output_pin Light] pin: PA3 pwm: False #氛围LED,红蓝光,接HE1接口 [output_pin AmbientLight] pin: PB0 pwm: False value: 1.0 shutdown_value: 1.0 #[output_pin caselight ](Use PA9) ## Chamber Lighting - In 5V-RGB Position #pin: PA9 #pwm: true #shutdown_value: 0 #value:100 #cycle_time: 0.01 ######################################## # EXP1 / EXP2 (display) pins ######################################## [board_pins] aliases: # EXP1 header EXP1_10=<5V>, EXP1_9=<GND>, EXP1_8=PE7, EXP1_7=PE15, EXP1_6=PD8, EXP1_5=PD9, # Slot in the socket on the other side EXP1_4=PD10, EXP1_3=PE11, EXP1_2=PE10, EXP1_1=PB2, # EXP2 header EXP2_10=<5V>, EXP2_9=<GND>, EXP2_8=<RST>, EXP2_7=PB11, EXP2_6=PA7, EXP2_5=PE8, # Slot in the socket on the other side EXP2_4=PA4, EXP2_3=PE9, EXP2_2=PA5, EXP2_1=PA6 # See the sample-lcd.cfg file for definitions of common LCD displays. # Some alternate glyphs for use with 128x64 LCDs. These are used by # adding them to your printer.cfg. # See docs/Config_Reference.md for a description of parameters. ###################################################################### # MKS Mini 12864v3.0 (with neopixel backlight leds) ###################################################################### [display] lcd_type: uc1701 cs_pin: EXP1_3 a0_pin: EXP1_4 rst_pin: EXP1_5 contrast: 63 encoder_pins: ^EXP2_5, ^EXP2_3 click_pin: ^!EXP1_2 ## Some micro-controller boards may require an spi bus to be specified: #spi_bus: spi ## Alternatively, some micro-controller boards may work with software spi: spi_software_miso_pin: EXP2_1 spi_software_mosi_pin: EXP2_6 spi_software_sclk_pin: EXP2_2 [output_pin beeper] pin: EXP1_1 [neopixel fysetc_mini12864] pin: EXP1_6 chain_count: 3 color_order: RGB initial_RED: 0.0 initial_GREEN: 1.0 initial_BLUE: 0.76 ###################################################################### # ADXL345 共振测量 ###################################################################### [adxl345] cs_pin: PC9 spi_bus: spi3a [resonance_tester] accel_chip: adxl345 probe_points: 150, 150, 50 #测量时喷嘴所处的位置坐标 [input_shaper] shaper_freq_x: 85.2 shaper_freq_y: 65.6 shaper_type_x: ei shaper_type_y: ei ###################################################################### # gcode_macro ###################################################################### [gcode_macro CANCEL_PRINT] description: Cancel the actual running print rename_existing: CANCEL_PRINT_BASE gcode: TURN_OFF_HEATERS CANCEL_PRINT_BASE [virtual_sdcard] path: /home/pi/printer_data/gcodes #path: /home/klipper/printer_data/gcodes [pause_resume] [display_status] 这是目前我的klipper配置,下位机是mks monster8 v2 但是目前我下位机移动距离控制有点问题,全部归位都没有问题,但是我归位后移动距离,但是xy坐标值根本不变化,一直卡在归零后的坐标值。然后Z轴3个电机向下移动50mm,平台应该一起3个电机旋转下降,却只有一个电机向下移动,应该是z2动了其他俩个电机动都没动,z轴数值是有变化的

这个结构体是怎么组成的/* SLCD引脚配置数组(SEG+DATA) */ SLCD_IO_TypeDef SLCD_SCH[SLCD_PIN_NUMBER] = // SLCD_PIN_NUMBER=29 { // SEG0-SEG24配置 (25个) { GPIOB, GPIO_Pin_8, 0, 0, SLCD_IOConfigSEG }, /* PB8 : SEG0 */ { GPIOA, GPIO_Pin_15, 0, 0, SLCD_IOConfigSEG }, /* PA15 : SEG1 */ { GPIOB, GPIO_Pin_8, 0, 0, SLCD_IOConfigSEG }, /* PB8 : SLCD_D0 */ { GPIOA, GPIO_Pin_15, 0, 0, SLCD_IOConfigSEG }, /* PA15 : SLCD_D1 */ { GPIOC, GPIO_Pin_10, 0, 0, SLCD_IOConfigSEG }, /* PC10 : SLCD_D2 */ { GPIOC, GPIO_Pin_11, 0, 0, SLCD_IOConfigSEG }, /* PC11 : SLCD_D3 */ { GPIOC, GPIO_Pin_12, 0, 0, SLCD_IOConfigSEG }, /* PC12 : SLCD_D4 */ { GPIOD, GPIO_Pin_6, 0, 0, SLCD_IOConfigSEG }, /* PD6 : SLCD_D5 */ { GPIOB, GPIO_Pin_1, 0, 0, SLCD_IOConfigSEG }, /* PB1 : SLCD_D6 */ { GPIOB, GPIO_Pin_0, 0, 0, SLCD_IOConfigSEG }, /* PB0 : SLCD_D7 */ { GPIOA, GPIO_Pin_7, 0, 0, SLCD_IOConfigSEG }, /* PA7 : SLCD_D8 */ { GPIOA, GPIO_Pin_6, 0, 0, SLCD_IOConfigSEG }, /* PA6 : SLCD_D9 */ { GPIOD, GPIO_Pin_5, 0, 0, SLCD_IOConfigSEG }, /* PD5 : SLCD_D10 */ { GPIOD, GPIO_Pin_3, 0, 0, SLCD_IOConfigSEG }, /* PD3 : SLCD_D11 */ { GPIOD, GPIO_Pin_2, 0, 0, SLCD_IOConfigSEG }, /* PD2 : SLCD_D12 */ { GPIOA, GPIO_Pin_12, 0, 0, SLCD_IOConfigSEG }, /* PA12 : SLCD_D13 */ { GPIOA, GPIO_Pin_11, 0, 0, SLCD_IOConfigSEG }, /* PA11 : SLCD_D14 */ { GPIOC, GPIO_Pin_9, 0, 0, SLCD_IOConfigSEG }, /* PC9 : SLCD_D15 */ { GPIOC, GPIO_Pin_8, 0, 0, SLCD_IOConfigSEG }, /* PC8 : SLCD_D16 */ { GPIOC, GPIO_Pin_7, 0, 0, SLCD_IOConfigSEG }, /* PC7 : SLCD_D17 */ { GPIOC, GPIO_Pin_6, 0, 0, SLCD_IOConfigSEG }, /* PC6 : SLCD_D18 */ { GPIOB, GPIO_Pin_14, 0, 0, SLCD_IOConfigSEG }, /* PB14 : SLCD_D19 */ { GPIOB, GPIO_Pin_15, 0, 0, SLCD_IOConfigSEG }, /* PB15 : SLCD_D20 */ { GPIOB, GPIO_Pin_12, 0, 0, SLCD_IOConfigSEG }, /* PB12 : SLCD_D21 */ { GPIOB, GPIO_Pin_13, 0, 0, SLCD_IOConfigSEG }, /* PB13 : SLCD_D22 */ { GPIOC, GPIO_Pin_5, 0, 0, SLCD_IOConfigSEG }, /* PC5 : SLCD_D23 */ { GPIOC, GPIO_Pin_4, 0, 0, SLCD_IOConfigSEG }, /* PC4 : SLCD_D24 */ { GPIOD, GPIO_Pin_4, 0, 0, SLCD_IOConfigCOM }, /* PD4 : SLCD_COM0 */ { GPIOC, GPIO_Pin_3, 0, 0, SLCD_IOConfigCOM }, /* PC3 : SLCD_COM1 */ { GPIOC, GPIO_Pin_13, 0, 0, SLCD_IOConfigCOM }, /* PC13 : SLCD_COM2 */ { GPIOD, GPIO_Pin_7, 0, 0, SLCD_IOConfigCOM }, /* PD7 : SLCD_COM3 */ };

两个程序用的同一个OLED屏文件,写的也是同一个函数,只是前面是最简单的输出int main(void) { OLED_Init(); arm_sin_f32(23); while(1) { float six = 6; char str[40]; sprintf(str,"six = %.3f",six); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); } }而后者是加了pid用7606测电压跑buck的程序然后OLED屏就不亮了#include "stm32f4xx.h" #include "./usart/bsp_usart.h" #include "General_Tim.h" #include "delay.h" #include "sys.h" #include "PID.h" #include "math.h" #include "./adc/bsp_adc.h" #include "tim.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 25; // 目标输出电压25 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; int main(void) { TIM_Init(); PID_init(); Adc_Init(); OLED_Init(); while(1) { ADC_Read(); a= PID_DC( Target ,Vout_actual, 20.0f ); float six = 6; char str[40]; sprintf(str,"Vout_actual = %.3f",Vout_actual); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); } } /*********************************************END OF FILE**********************/下面这个buck闭环电路程序的oled屏不亮,下面是这个函数的代码#include "stm32f4xx.h" #include "./usart/bsp_usart.h" #include "delay.h" #include "sys.h" #include "PID.h" #include "math.h" #include "./adc/bsp_adc.h" #include "tim.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 25; // 目标输出电压25 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; int main(void) { OLED_Init(); // 首先初始化OLED TIM_Init(); PID_init(); Adc_Init(); while(1) { ADC_Read(); a= PID_DC( Target ,Vout_actual, 20.0f ); float six = 6; char str[40]; sprintf(str,"Vout_actual = %.3f",Vout_actual); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); sprintf(str,"six = %.3f",six); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); } } /*********************************************END OF FILE**********************/ pid文件:#include "stdio.h" #include "sys.h" #include "PID.h" //extern float V0,V1,V2; float duty=0; float pid_out=0; struct _pid { float SetSpeed; //定义设定值 float ActualSpeed; //定义实际值 float err; //定义偏差值 float err_last; //定义上一个偏差值 float Kp, Ki, Kd; //定义比例、积分、微分系数 float voltage; //定义电压值(控制执行器的变量) float integral; //定义积分值 float S; //返回值 }pid; void PID_init() { pid.SetSpeed = 0.0; pid.ActualSpeed = 0.0; pid.err = 0.0; pid.err_last = 0.0; pid.voltage = 0.0; pid.integral = 0.0; pid.Kp = 150; pid.Ki = 0.55; pid.Kd = 0; } float PID_realize(float speed, float Actual) { pid.SetSpeed = speed; //目标值 pid.ActualSpeed = Actual; //实际值 pid.err = pid.SetSpeed - pid.ActualSpeed; //误差 pid.integral += pid.err; //积分项误差相加 pid.voltage = pid.Kp * pid.err + pid.Ki * pid.integral + pid.Kd * (pid.err - pid.err_last); //计算结果 0.2*27+0.1* pid.err_last = pid.err; //更新误差 pid.S = pid.voltage * 1.0f; //计算结果 返回值 return pid.S; } float PID_DC( float goal ,float Actual,float k ) { Actual=Actual*k; pid_out = PID_realize(goal, Actual); duty+=pid_out; if(duty>=4200) duty=4200; if(duty<=-4200) duty=0; TIM_SetCompare1(TIM8,4200+duty) ; return pid_out; } pid.h #ifndef __PID_H #define __PID_H void PID_init(void);//PID参数初始化 float PID_realize(float speed, float Actual);//实现PID算法 float PID_DC( float goal ,float Actual,float k ); #endif adc模块:#include "./adc/bsp_adc.h" __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /*=====================通道1======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /*=====================通道2======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /*=====================通道3=======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void ADC_Read(void) { voltage1=(float)ADC_ConvertedValue[0]*0.000244140625*3.3; voltage2=(float)ADC_ConvertedValue[1]*0.000244140625*3.3; voltage3=(float)ADC_ConvertedValue[2]*0.000244140625*3.3; Vout_actual = voltage1; } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } adc.h #ifndef __BSP_ADC_H #define __BSP_ADC_H #include "stm32f4xx.h" #define RHEOSTAT_NOFCHANEL 3 /*=====================通道1 IO======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOA #define ADC_GPIO_PIN1 GPIO_Pin_1 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL1 ADC_Channel_1 /*=====================通道2 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /*=====================通道3 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */ tim文件 #include "tim.h" uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /*-----------------------------PA8,PA7------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA9,PB14------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA10,PB1------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /*-----------------------------基本结构体------------------------------------*/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(1-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /*-----------------------------基本结构体------------------------------------*/ /*-----------------------------输出比较------------------------------------*/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /*-----------------------------输出比较------------------------------------*/ /*-----------------------------死区刹车------------------------------------*/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /*-----------------------------死区刹车------------------------------------*/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /*-----------------------------中断------------------------------------*/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /*-----------------------------中断------------------------------------*/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } tim.h #ifndef __TIM_H #define __TIM_H #include "sys.h" void TIM_Init(void); #endif oled模块: #include "oled.h" #include "oledfont.h" #include "delay.h" //OLED的显存 //存放格式如下. //[0]0 1 2 3 ... 127 //[1]0 1 2 3 ... 127 //[2]0 1 2 3 ... 127 //[3]0 1 2 3 ... 127 //[4]0 1 2 3 ... 127 //[5]0 1 2 3 ... 127 //[6]0 1 2 3 ... 127 //[7]0 1 2 3 ... 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-' ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size==12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size==16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n--)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size/2)*t,y,' ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<='~')&&(*p>=' '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } oled.h #ifndef _oled_H #define _oled_H #include "sys/system.h" #include "stdlib.h" #define WORD_SIZE 12 #define X_OFFSET_WORD 0 #define Y_OFFSET_WORD 0 #define X_OFFSTE_PIXEL 0 #define Y_OFFSTE_PIXEL 0 #if WORD_SIZE != 12 && WORD_SIZE != 16 && WORD_SIZE != 24 #define WORD_SIZE 12 #endif #if WORD_SIZE == 24 #define WORD_WIDTH 12 #define WORD_HIGH 24 #endif #if WORD_SIZE == 16 #define WORD_WIDTH 8 #define WORD_HIGH 16 #endif #if WORD_SIZE == 12 #define WORD_WIDTH 6 #define WORD_HIGH 12 #endif //OLED模式设置 //0:4线串行SPI模式 //1:并行8080模式 //2:IIC模式 #define OLED_MODE 0 #define SIZE 16 #define XLevelL 0x00 #define XLevelH 0x10 #define Max_Column 128 #define Max_Row 64 #define Brightness 0xFF #define X_WIDTH 128 #define Y_WIDTH 64 #if OLED_MODE==0 //OLDE-SPI4线控制管脚定义 #define OLED_SCL PCout(1) #define OLED_SDA PCout(0) #define OLED_RST PCout(13) #define OLED_DC PEout(6) #define OLED_CS PEout(2) #endif #if OLED_MODE==1 //OLDE-8080总线控制管脚定义 #define OLED_CS PDout(3) #define OLED_RST PDout(4) #define OLED_DC PDout(5) #define OLED_WR PDout(6) #define OLED_RD PDout(7) #define OLED_DATA_OUT(x) GPIO_Write(GPIOC,x);//输出 #endif #if OLED_MODE==2 //OLDE-IIC总线控制管脚定义 #endif #define OLED_CMD 0 //写命令 #define OLED_DATA 1 //写数据 //OLED控制用函数 void OLED_WR_Byte(u8 dat,u8 cmd); void OLED_Display_On(void); void OLED_Display_Off(void); void OLED_Set_Pos(unsigned char x, unsigned char y); void OLED_Init(void); void OLED_Refresh_Gram(void); void OLED_Clear(void); void OLED_DrawPoint(u8 x,u8 y,u8 t); void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot); void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size); void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size); void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode); void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]); #endif stm32f4xx_it.c中断文件:/* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_it.h" #include "./usart/bsp_usart.h" #include "./adc/bsp_adc.h" #include "PID.h" /** @addtogroup STM32F429I_DISCOVERY_Examples * @{ */ /** @addtogroup FMC_SDRAM * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /******************************************************************************/ /* Cortex-M4 Processor Exceptions Handlers */ /******************************************************************************/ /** * @brief This function handles NMI exception. * @param None * @retval None */ extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; float Vout_set; // 目标输出电压 extern float pid_out; void TIM1_UP_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { pid_out = PID_DC(Vout_set, Vout_actual, 20.0f); TIM1->CCR1 = pid_out; TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { // 检查传输完成中断标志 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { // 清除中断标志 DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); // 调用ADC_Read计算电压 ADC_Read(); } } //void ADC_IRQHandler(void) //{ // if(ADC_GetITStatus(ADC_,ADC_IT_EOC) == SET) // { // ADC_ConvertedValue = ADC_GetConversionValue(ADC_); // } // ADC_ClearITPendingBit(ADC_,ADC_IT_EOC); //} // void NMI_Handler(void) { } /** * @brief This function handles Hard Fault exception. * @param None * @retval None */ void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } /** * @brief This function handles Memory Manage exception. * @param None * @retval None */ void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) {} } /** * @brief This function handles Bus Fault exception. * @param None * @retval None */ void BusFault_Handler(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) {} } /** * @brief This function handles Usage Fault exception. * @param None * @retval None */ void UsageFault_Handler(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) {} } /** * @brief This function handles Debug Monitor exception. * @param None * @retval None */ void DebugMon_Handler(void) {} /** * @brief This function handles SVCall exception. * @param None * @retval None */ void SVC_Handler(void) {} /** * @brief This function handles PendSV_Handler exception. * @param None * @retval None */ void PendSV_Handler(void) {} /** * @brief This function handles SysTick Handler. * @param None * @retval None */ void SysTick_Handler(void) {} /******************************************************************************/ /* STM32F4xx Peripherals Interrupt Handlers */ /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ /* available peripheral interrupt handler's name please refer to the startup */ /* file (startup_stm32f429_439xx.s). */ /******************************************************************************/ void DEBUG_USART_IRQHandler(void) { uint8_t ucTemp; if(USART_GetITStatus(DEBUG_USART,USART_IT_RXNE)!=RESET) { ucTemp = USART_ReceiveData( DEBUG_USART ); USART_SendData(DEBUG_USART,ucTemp); } USART_ClearITPendingBit(USART1,USART_IT_IDLE); } //void ADVANCE_TIM_IRQHandler(void) //{ // if(TIM_GetITStatus(ADVANCE_TIM,TIM_IT_Update)==SET) //溢出中断 // { // Get_AUTO_RST_Mode_Data(value,8); //自动扫描模式,自动扫描并转换8通道。转换数据存与Value数组中 // printf("\r\n试一试\r\n"); // } // TIM_ClearITPendingBit(ADVANCE_TIM,TIM_IT_Update); //清除中断标志位 //} /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

下面这个buck闭环电路程序的oled屏亮不亮,下面是这个函数的代码#include "stm32f4xx.h" #include "./usart/bsp_usart.h" #include "delay.h" #include "sys.h" #include "PID.h" #include "math.h" #include "./adc/bsp_adc.h" #include "tim.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 25; // 目标输出电压25 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; int main(void) { OLED_Init(); // 首先初始化OLED TIM_Init(); PID_init(); Adc_Init(); while(1) { ADC_Read(); a= PID_DC( Target ,Vout_actual, 20.0f ); float six = 6; char str[40]; sprintf(str,"Vout_actual = %.3f",Vout_actual); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); sprintf(str,"six = %.3f",six); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); } } /*********************************************END OF FILE**********************/ pid文件:#include "stdio.h" #include "sys.h" #include "PID.h" //extern float V0,V1,V2; float duty=0; float pid_out=0; struct _pid { float SetSpeed; //定义设定值 float ActualSpeed; //定义实际值 float err; //定义偏差值 float err_last; //定义上一个偏差值 float Kp, Ki, Kd; //定义比例、积分、微分系数 float voltage; //定义电压值(控制执行器的变量) float integral; //定义积分值 float S; //返回值 }pid; void PID_init() { pid.SetSpeed = 0.0; pid.ActualSpeed = 0.0; pid.err = 0.0; pid.err_last = 0.0; pid.voltage = 0.0; pid.integral = 0.0; pid.Kp = 150; pid.Ki = 0.55; pid.Kd = 0; } float PID_realize(float speed, float Actual) { pid.SetSpeed = speed; //目标值 pid.ActualSpeed = Actual; //实际值 pid.err = pid.SetSpeed - pid.ActualSpeed; //误差 pid.integral += pid.err; //积分项误差相加 pid.voltage = pid.Kp * pid.err + pid.Ki * pid.integral + pid.Kd * (pid.err - pid.err_last); //计算结果 0.2*27+0.1* pid.err_last = pid.err; //更新误差 pid.S = pid.voltage * 1.0f; //计算结果 返回值 return pid.S; } float PID_DC( float goal ,float Actual,float k ) { Actual=Actual*k; pid_out = PID_realize(goal, Actual); duty+=pid_out; if(duty>=4200) duty=4200; if(duty<=-4200) duty=0; TIM_SetCompare1(TIM8,4200+duty) ; return pid_out; } pid.h #ifndef __PID_H #define __PID_H void PID_init(void);//PID参数初始化 float PID_realize(float speed, float Actual);//实现PID算法 float PID_DC( float goal ,float Actual,float k ); #endif adc模块:#include "./adc/bsp_adc.h" __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /*=====================通道1======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /*=====================通道2======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /*=====================通道3=======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void ADC_Read(void) { voltage1=(float)ADC_ConvertedValue[0]*0.000244140625*3.3; voltage2=(float)ADC_ConvertedValue[1]*0.000244140625*3.3; voltage3=(float)ADC_ConvertedValue[2]*0.000244140625*3.3; Vout_actual = voltage1; } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } adc.h #ifndef __BSP_ADC_H #define __BSP_ADC_H #include "stm32f4xx.h" #define RHEOSTAT_NOFCHANEL 3 /*=====================通道1 IO======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOA #define ADC_GPIO_PIN1 GPIO_Pin_1 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL1 ADC_Channel_1 /*=====================通道2 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /*=====================通道3 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */ tim文件 #include "tim.h" uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /*-----------------------------PA8,PA7------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA9,PB14------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA10,PB1------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /*-----------------------------基本结构体------------------------------------*/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(1-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /*-----------------------------基本结构体------------------------------------*/ /*-----------------------------输出比较------------------------------------*/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /*-----------------------------输出比较------------------------------------*/ /*-----------------------------死区刹车------------------------------------*/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /*-----------------------------死区刹车------------------------------------*/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /*-----------------------------中断------------------------------------*/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /*-----------------------------中断------------------------------------*/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } tim.h #ifndef __TIM_H #define __TIM_H #include "sys.h" void TIM_Init(void); #endif oled模块: #include "oled.h" #include "oledfont.h" #include "delay.h" //OLED的显存 //存放格式如下. //[0]0 1 2 3 ... 127 //[1]0 1 2 3 ... 127 //[2]0 1 2 3 ... 127 //[3]0 1 2 3 ... 127 //[4]0 1 2 3 ... 127 //[5]0 1 2 3 ... 127 //[6]0 1 2 3 ... 127 //[7]0 1 2 3 ... 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-' ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size==12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size==16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n--)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size/2)*t,y,' ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<='~')&&(*p>=' '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } oled.h #ifndef _oled_H #define _oled_H #include "sys/system.h" #include "stdlib.h" #define WORD_SIZE 12 #define X_OFFSET_WORD 0 #define Y_OFFSET_WORD 0 #define X_OFFSTE_PIXEL 0 #define Y_OFFSTE_PIXEL 0 #if WORD_SIZE != 12 && WORD_SIZE != 16 && WORD_SIZE != 24 #define WORD_SIZE 12 #endif #if WORD_SIZE == 24 #define WORD_WIDTH 12 #define WORD_HIGH 24 #endif #if WORD_SIZE == 16 #define WORD_WIDTH 8 #define WORD_HIGH 16 #endif #if WORD_SIZE == 12 #define WORD_WIDTH 6 #define WORD_HIGH 12 #endif //OLED模式设置 //0:4线串行SPI模式 //1:并行8080模式 //2:IIC模式 #define OLED_MODE 0 #define SIZE 16 #define XLevelL 0x00 #define XLevelH 0x10 #define Max_Column 128 #define Max_Row 64 #define Brightness 0xFF #define X_WIDTH 128 #define Y_WIDTH 64 #if OLED_MODE==0 //OLDE-SPI4线控制管脚定义 #define OLED_SCL PCout(1) #define OLED_SDA PCout(0) #define OLED_RST PCout(13) #define OLED_DC PEout(6) #define OLED_CS PEout(2) #endif #if OLED_MODE==1 //OLDE-8080总线控制管脚定义 #define OLED_CS PDout(3) #define OLED_RST PDout(4) #define OLED_DC PDout(5) #define OLED_WR PDout(6) #define OLED_RD PDout(7) #define OLED_DATA_OUT(x) GPIO_Write(GPIOC,x);//输出 #endif #if OLED_MODE==2 //OLDE-IIC总线控制管脚定义 #endif #define OLED_CMD 0 //写命令 #define OLED_DATA 1 //写数据 //OLED控制用函数 void OLED_WR_Byte(u8 dat,u8 cmd); void OLED_Display_On(void); void OLED_Display_Off(void); void OLED_Set_Pos(unsigned char x, unsigned char y); void OLED_Init(void); void OLED_Refresh_Gram(void); void OLED_Clear(void); void OLED_DrawPoint(u8 x,u8 y,u8 t); void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot); void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size); void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size); void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode); void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]); #endif stm32f4xx_it.c中断文件:/* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_it.h" #include "./usart/bsp_usart.h" #include "./adc/bsp_adc.h" #include "PID.h" /** @addtogroup STM32F429I_DISCOVERY_Examples * @{ */ /** @addtogroup FMC_SDRAM * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /******************************************************************************/ /* Cortex-M4 Processor Exceptions Handlers */ /******************************************************************************/ /** * @brief This function handles NMI exception. * @param None * @retval None */ extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; float Vout_set; // 目标输出电压 extern float pid_out; void TIM1_UP_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { pid_out = PID_DC(Vout_set, Vout_actual, 20.0f); TIM1->CCR1 = pid_out; TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { // 检查传输完成中断标志 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { // 清除中断标志 DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); // 调用ADC_Read计算电压 ADC_Read(); } } //void ADC_IRQHandler(void) //{ // if(ADC_GetITStatus(ADC_,ADC_IT_EOC) == SET) // { // ADC_ConvertedValue = ADC_GetConversionValue(ADC_); // } // ADC_ClearITPendingBit(ADC_,ADC_IT_EOC); //} // void NMI_Handler(void) { } /** * @brief This function handles Hard Fault exception. * @param None * @retval None */ void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } /** * @brief This function handles Memory Manage exception. * @param None * @retval None */ void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) {} } /** * @brief This function handles Bus Fault exception. * @param None * @retval None */ void BusFault_Handler(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) {} } /** * @brief This function handles Usage Fault exception. * @param None * @retval None */ void UsageFault_Handler(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) {} } /** * @brief This function handles Debug Monitor exception. * @param None * @retval None */ void DebugMon_Handler(void) {} /** * @brief This function handles SVCall exception. * @param None * @retval None */ void SVC_Handler(void) {} /** * @brief This function handles PendSV_Handler exception. * @param None * @retval None */ void PendSV_Handler(void) {} /** * @brief This function handles SysTick Handler. * @param None * @retval None */ void SysTick_Handler(void) {} /******************************************************************************/ /* STM32F4xx Peripherals Interrupt Handlers */ /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ /* available peripheral interrupt handler's name please refer to the startup */ /* file (startup_stm32f429_439xx.s). */ /******************************************************************************/ void DEBUG_USART_IRQHandler(void) { uint8_t ucTemp; if(USART_GetITStatus(DEBUG_USART,USART_IT_RXNE)!=RESET) { ucTemp = USART_ReceiveData( DEBUG_USART ); USART_SendData(DEBUG_USART,ucTemp); } USART_ClearITPendingBit(USART1,USART_IT_IDLE); } //void ADVANCE_TIM_IRQHandler(void) //{ // if(TIM_GetITStatus(ADVANCE_TIM,TIM_IT_Update)==SET) //溢出中断 // { // Get_AUTO_RST_Mode_Data(value,8); //自动扫描模式,自动扫描并转换8通道。转换数据存与Value数组中 // printf("\r\n试一试\r\n"); // } // TIM_ClearITPendingBit(ADVANCE_TIM,TIM_IT_Update); //清除中断标志位 //} /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

抱歉我想说我各个函数的名字是这样的,为什么要把我程序的名字换掉,不准换且我希望我的程序井然有序,main.c中程序精炼而少,最大程度上简化,而stm32f4xx_it.c文件专门用来放中断,而其他的文件也有专门发各自的程序,但一定要保证buck电路的稳压作用,#include “stm32f4xx.h” #include “delay.h” #include “oled.h” #include “stdio.h” #include “stdlib.h” #include “arm_math.h” #include “pid.h” #include “./adc/bsp_adc.h” #include “tim.h” extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 12; // 目标输出电压12 int main(void) { // 3. 初始化外设 OLED_Init(); delay_ms(500); // 确保OLED完全启动 Adc_Init(); TIM_Init(); // TIM1中断已禁用 uint32_t last_pid_time = 0; char str[40]; const uint32_t pid_interval = 1; // 改为1ms while(1) { ADC_Read(); char str[40]; sprintf(str, "Vout: %.2fV", Vout_actual); OLED_ShowString(0, 1, (u8*)str, 12); OLED_Refresh_Gram(); delay_ms(1); } } #include “stm32f4xx_it.h” #include “oled.h” #include <math.h> #include “./adc/bsp_adc.h” #include “pid.h” //uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; extern float Target ; // 目标输出电压 float pid_out; volatile uint32_t tim1_update_count = 0; #define PID_CALC_INTERVAL 20 // 每20次中断(即1ms,如果中断频率20kHz)计算一次 // 简化中断处理函数 void TIM1_UP_IRQHandler(void) { if (TIM_GetITStatus(TIM1, TIM_IT_Update)) { ADC_Read(); pid_out = pid_control(0.8f, 0.05f, 0.02f, Target, Vout_actual); TIM1->CCR1 = pid_out ; TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs / while (1) {} } void BusFault_Handler(void) { / Go to infinite loop when Bus Fault exception occurs / while (1) {} } void UsageFault_Handler(void) { / Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { } #include “delay.h” #include “core_cm4.h” #include “misc.h” // couter 减1的时间 等于 1/systick_clk // 当counter 从 reload 的值减小到0的时候,为一个循环,如果开启了中断则执行中断服务程序, // 同时 CTRL 的 countflag 位会置1 // 这一个循环的时间为 reload * (1/systick_clk) void delay_us( __IO uint32_t us) { uint32_t i; SysTick_Config(SystemCoreClock/1000000); for(i=0;i<us;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~SysTick_CTRL_ENABLE_Msk; } void delay_ms( __IO uint32_t ms) { uint32_t i; SysTick_Config(SystemCoreClock/1000); for(i=0;i<ms;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 // 当置1时,读取该位会清0 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~ SysTick_CTRL_ENABLE_Msk; } /***********************END OF FILE/ #include “oled.h” #include “oledfont.h” #include “delay.h” //OLED的显存 //存放格式如下. //[0]0 1 2 3 … 127 //[1]0 1 2 3 … 127 //[2]0 1 2 3 … 127 //[3]0 1 2 3 … 127 //[4]0 1 2 3 … 127 //[5]0 1 2 3 … 127 //[6]0 1 2 3 … 127 //[7]0 1 2 3 … 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-’ ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n–)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow0&&t<(len-1)) { if(temp0) { OLED_ShowChar(x+(size/2)*t,y,’ ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<=‘~’)&&(*p>=’ '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #include “tim.h” uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /-----------------------------PA8,PA7------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA9,PB14------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA10,PB1------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /-----------------------------基本结构体------------------------------------/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(10-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /-----------------------------基本结构体------------------------------------/ /-----------------------------输出比较------------------------------------/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /-----------------------------输出比较------------------------------------/ /-----------------------------死区刹车------------------------------------/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /-----------------------------死区刹车------------------------------------/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /-----------------------------中断------------------------------------/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=14; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /-----------------------------中断------------------------------------/ } void TIM_Init(void) { //TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #ifndef _system_H #define _system_H #include “stm32f4xx.h” //位带操作,实现类似51的IO口控制功能 //具体实现思想,参考<<CM3权威指南>>第五章(87页~92页).M4同M3类似,只是寄存器地址变了. //IO口操作宏定义 #define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2)) #define MEM_ADDR(addr) *((volatile unsigned long *)(addr)) #define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum)) //IO口地址映射 #define GPIOA_ODR_Addr (GPIOA_BASE+20) //0x40020014 #define GPIOB_ODR_Addr (GPIOB_BASE+20) //0x40020414 #define GPIOC_ODR_Addr (GPIOC_BASE+20) //0x40020814 #define GPIOD_ODR_Addr (GPIOD_BASE+20) //0x40020C14 #define GPIOE_ODR_Addr (GPIOE_BASE+20) //0x40021014 #define GPIOF_ODR_Addr (GPIOF_BASE+20) //0x40021414 #define GPIOG_ODR_Addr (GPIOG_BASE+20) //0x40021814 #define GPIOH_ODR_Addr (GPIOH_BASE+20) //0x40021C14 #define GPIOI_ODR_Addr (GPIOI_BASE+20) //0x40022014 #define GPIOA_IDR_Addr (GPIOA_BASE+16) //0x40020010 #define GPIOB_IDR_Addr (GPIOB_BASE+16) //0x40020410 #define GPIOC_IDR_Addr (GPIOC_BASE+16) //0x40020810 #define GPIOD_IDR_Addr (GPIOD_BASE+16) //0x40020C10 #define GPIOE_IDR_Addr (GPIOE_BASE+16) //0x40021010 #define GPIOF_IDR_Addr (GPIOF_BASE+16) //0x40021410 #define GPIOG_IDR_Addr (GPIOG_BASE+16) //0x40021810 #define GPIOH_IDR_Addr (GPIOH_BASE+16) //0x40021C10 #define GPIOI_IDR_Addr (GPIOI_BASE+16) //0x40022010 //IO口操作,只对单一的IO口 //确保n的值小于16 #define PAout(n) BIT_ADDR(GPIOA_ODR_Addr,n) //输出 #define PAin(n) BIT_ADDR(GPIOA_IDR_Addr,n) //输入 #define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n) //输出 #define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n) //输入 #define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n) //输出 #define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n) //输入 #define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n) //输出 #define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n) //输入 #define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n) //输出 #define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n) //输入 #define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n) //输出 #define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n) //输入 #define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n) //输出 #define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n) //输入 #define PHout(n) BIT_ADDR(GPIOH_ODR_Addr,n) //输出 #define PHin(n) BIT_ADDR(GPIOH_IDR_Addr,n) //输入 #define PIout(n) BIT_ADDR(GPIOI_ODR_Addr,n) //输出 #define PIin(n) BIT_ADDR(GPIOI_IDR_Addr,n) //输入 typedef struct { float target_voltage; float actual_voltage; float pid_output; uint32_t last_pid_time; uint32_t last_display_time; uint8_t adc_ready; // ADC数据就绪标志 } SystemState; extern SystemState sys_state; #endif #include “./adc/bsp_adc.h” __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /=通道1==/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /*=====================通道2======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /*=====================通道3=======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =6; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } // 修改ADC读取函数 (adc部分) #define VOLTAGE_SCALE 4.0f // 根据实际分压电阻调整 (12V→3V分压) void ADC_Read(void) { // 正确计算电压值 (考虑分压比例) voltage1 = ADC_ConvertedValue[0] * 3.3f* 0.000244140625; Vout_actual= voltage1; } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include “stm32f4xx.h” #define RHEOSTAT_NOFCHANEL 3 /=通道1 IO==/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /=====================通道2 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /=====================通道3 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */ #include “pid.h” #include <math.h> #include “system.h” // 辅助函数:限制数值范围 static float constrain(float value, float min, float max) { if (value < min) return min; if (value > max) return max; return value; } float pid_control(float KP, float KI, float KD, float setpoint, float input) { static float integral = 0; static float prev_error = 0; float error = setpoint - input; // 积分抗饱和:只在误差较小时积分 if (fabs(error) < 2.0f) { integral += error; } // 积分限幅 integral = constrain(integral, -50.0f, 50.0f); // 微分项 float derivative = error - prev_error; prev_error = error; // PID计算 float output = KP * error + KI * integral + KD * derivative; // 输出限幅 (0-100%) return constrain(output, 0.0f, 100.0f); }

我现在有一个buck电路和一个已经烧录了buck稳压程序的P4板子和一个学生电源和一根高品质SMA公母转换天线延展线(RG316适用SMA-JK连接)和一个OLED屏,我要怎么接线,给多大电压,才能使OLED屏显示PA4口(ADC电压采样口)所接收到的电压下面是我的代码#include "stm32f4xx.h" #include "delay.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" #include "arm_math.h" #include "pid.h" #include "./adc/bsp_adc.h" #include "tim.h" float pid_out; volatile uint8_t adc_data_ready = 0; volatile uint8_t tim_update_flag ; volatile uint32_t last_adc_value = 0; float Vout_actual = 0.0f; float Target = 20.0f; // 目标输出电压 float voltage1; // 全局PID控制器 PID_Controller pid; extern __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern uint16_t TIM1_Impluse ;//高级定时器占空比 int main(void) { OLED_Init(); Adc_Init(); TIM_Init(); // 输入20V→输出15V:kp=0.3-0.6, ki=0.05-0.2, kd=0.01-0.05 //输入35V→输出20V:kp=0.2-0.4, ki=0.02-0.1, kd=0.005-0.02 pid.kp = 0.5f; // 从较小值开始调试 pid.ki = 0.1f; pid.kd = 0.01f; pid.max_output = 100.0f; pid.min_output = 0.0f; pid.integral = 0; pid.prev_error = 0; while(1) { if (adc_data_ready) { // 计算电压 voltage1 = last_adc_value * 3.3f*0.000244140625; Vout_actual = voltage1; adc_data_ready = 0; } if (tim_update_flag) { // 使用PID计算 pid_out = pid_control(&pid, Target, Vout_actual); // 安全更新PWM (限制在0-8400) TIM1_Impluse = pid_out * 84; // 0-100% -> 0-8400 TIM1->CCR1 = TIM1_Impluse; // // 重置标志 tim_update_flag = 0; } // a=pid_control (5 , 0.25, 0 ,Target ,Vout_actual); // ADC_Read(); // float six = 6; // char str[40]; // sprintf(str,"Vout_actual = %.3f",Vout_actual); // OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); // OLED_Refresh_Gram(); // delay_us(100); static char display_buffer[2][40]; snprintf(display_buffer[0], 40, "Vout: %.2fV", Vout_actual); delay_ms(50); snprintf(display_buffer[1], 40, "Duty: %d", TIM1->CCR1); OLED_ShowString(0, 1, (u8*)display_buffer[0], 12); OLED_ShowString(0, 18, (u8*)display_buffer[1], 12); OLED_Refresh_Gram(); } } #include "stm32f4xx_it.h" #include "oled.h" #include <math.h> #include "./adc/bsp_adc.h" #include "pid.h" extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; extern float pid_out; extern float Vout_actual; extern uint16_t TIM1_Impluse ;//高级定时器占空比 extern volatile uint8_t adc_data_ready ; extern volatile uint8_t tim_update_flag ; extern volatile uint32_t last_adc_value; void TIM1_UP_TIM10_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { // Vout_actual = voltage1; // pid_out = pid_control (5 , 0.25, 0 ,Vout_set ,Vout_actual); // TIM1->CCR1 = pid_out; // tim_update_flag = 1; // 设置标志,表示发生了一次更新中断 TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { // 处理传输完成中断 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0)) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); last_adc_value = ADC_ConvertedValue[0]; adc_data_ready = 1; } // 处理半传输中断 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_HTIF0)) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_HTIF0); } // 处理传输错误中断 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TEIF0)) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TEIF0); // 这里可以添加错误处理代码 } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) {} } void BusFault_Handler(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) {} } void UsageFault_Handler(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { } #include "tim.h" uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /*-----------------------------PA8,PA7------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA9,PB14------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA10,PB1------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /*-----------------------------基本结构体------------------------------------*/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(1-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /*-----------------------------基本结构体------------------------------------*/ /*-----------------------------输出比较------------------------------------*/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /*-----------------------------输出比较------------------------------------*/ /*-----------------------------死区刹车------------------------------------*/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /*-----------------------------死区刹车------------------------------------*/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /*-----------------------------中断------------------------------------*/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /*-----------------------------中断------------------------------------*/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #include "oled.h" #include "oledfont.h" #include "delay.h" //OLED的显存 //存放格式如下. //[0]0 1 2 3 ... 127 //[1]0 1 2 3 ... 127 //[2]0 1 2 3 ... 127 //[3]0 1 2 3 ... 127 //[4]0 1 2 3 ... 127 //[5]0 1 2 3 ... 127 //[6]0 1 2 3 ... 127 //[7]0 1 2 3 ... 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-' ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size==12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size==16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n--)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size/2)*t,y,' ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<='~')&&(*p>=' '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #ifndef _oled_H #define _oled_H #include "sys/system.h" #include "stdlib.h" #define WORD_SIZE 12 #define X_OFFSET_WORD 0 #define Y_OFFSET_WORD 0 #define X_OFFSTE_PIXEL 0 #define Y_OFFSTE_PIXEL 0 #if WORD_SIZE != 12 && WORD_SIZE != 16 && WORD_SIZE != 24 #define WORD_SIZE 12 #endif #if WORD_SIZE == 24 #define WORD_WIDTH 12 #define WORD_HIGH 24 #endif #if WORD_SIZE == 16 #define WORD_WIDTH 8 #define WORD_HIGH 16 #endif #if WORD_SIZE == 12 #define WORD_WIDTH 6 #define WORD_HIGH 12 #endif //OLED模式设置 //0:4线串行SPI模式 //1:并行8080模式 //2:IIC模式 #define OLED_MODE 0 #define SIZE 16 #define XLevelL 0x00 #define XLevelH 0x10 #define Max_Column 128 #define Max_Row 64 #define Brightness 0xFF #define X_WIDTH 128 #define Y_WIDTH 64 #if OLED_MODE==0 //OLDE-SPI4线控制管脚定义 #define OLED_SCL PCout(1) #define OLED_SDA PCout(0) #define OLED_RST PCout(13) #define OLED_DC PEout(6) #define OLED_CS PEout(2) #endif #if OLED_MODE==1 //OLDE-8080总线控制管脚定义 #define OLED_CS PDout(3) #define OLED_RST PDout(4) #define OLED_DC PDout(5) #define OLED_WR PDout(6) #define OLED_RD PDout(7) #define OLED_DATA_OUT(x) GPIO_Write(GPIOC,x);//输出 #endif #if OLED_MODE==2 //OLDE-IIC总线控制管脚定义 #endif #define OLED_CMD 0 //写命令 #define OLED_DATA 1 //写数据 //OLED控制用函数 void OLED_WR_Byte(u8 dat,u8 cmd); void OLED_Display_On(void); void OLED_Display_Off(void); void OLED_Set_Pos(unsigned char x, unsigned char y); void OLED_Init(void); void OLED_Refresh_Gram(void); void OLED_Clear(void); void OLED_DrawPoint(u8 x,u8 y,u8 t); void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot); void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size); void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size); void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode); void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]); #endif #include "./adc/bsp_adc.h" __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /*=====================通道1======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); } void ADC_DMA_Config(void) { DMA_InitTypeDef DMA_InitStructure; // 1. 使能 DMA 时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 2. 配置 DMA 参数 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; // DMA 通道 0 DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)ADC_ConvertedValue ; // ADC 数据寄存器地址 DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)ADC_ConvertedValue; // 内存缓冲区地址 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 外设到内存 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 缓冲区大小 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 外设地址不递增 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // 内存地址递增 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 外设数据大小:半字(16位) DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 内存数据大小:半字(16位) DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // 循环模式 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 高优先级 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // 禁用 FIFO 模式 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; // FIFO 阈值 DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; // 内存突发传输:单次 DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 外设突发传输:单次 // 3. 初始化 DMA DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 4. 使能 DMA 中断(传输完成、传输错误) DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC | DMA_IT_TE | DMA_IT_HT, ENABLE); // 5. 使能 DMA 流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); } void ADC_Config(void) { ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // 1. 使能 ADC 时钟 RCC_APB2PeriphClockCmd(ADC_CLK, ENABLE); // 2. 配置 ADC 通用参数 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 独立模式 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // ADC 时钟分频:PCLK2/4 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // DMA 访问模式 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles; // 采样延迟 ADC_CommonInit(&ADC_CommonInitStructure); // 3. 配置 ADC 参数 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 12位分辨率 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 扫描模式使能 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; // 连续转换模式 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; // 无外部触发 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; // 外部触发源 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; // 数据右对齐 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL ; // 转换通道数 ADC_Init(ADC_, &ADC_InitStructure); // 4. 配置 ADC 通道(通道4,PA4) ADC_RegularChannelConfig(ADC_, ADC_Channel_4, 1, ADC_SampleTime_84Cycles); // 5. 使能 ADC DMA ADC_DMACmd(ADC_, ENABLE); // 6. 使能 ADC ADC_Cmd(ADC_, ENABLE); // 7. 启动 ADC 转换 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void Adc_Init(void) { ADC_GPIO_Config(); ADC_DMA_Config(); ADC_Config(); ADC_NVIC_Config(); } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include "stm32f4xx.h" #define RHEOSTAT_NOFCHANEL 1 /*=====================通道1 IO======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOA #define ADC_GPIO_PIN1 GPIO_Pin_4 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL1 ADC_Channel_4 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 // DMA 配置 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); #endif /* __BSP_ADC_H */ #include "pid.h" float pid_control(PID_Controller* pid, float setpoint, float input) { // 计算当前误差 float error = setpoint - input; // 比例项 float p_term = pid->kp * error; // 积分项(带抗饱和) pid->integral += error; // 积分限幅 if(pid->integral > pid->max_output) pid->integral = pid->max_output; else if(pid->integral < pid->min_output) pid->integral = pid->min_output; float i_term = pid->ki * pid->integral; // 微分项(标准实现) float d_term = pid->kd * (error - pid->prev_error); // PID输出 float output = p_term + i_term + d_term; // 输出限幅 if(output > pid->max_output) output = pid->max_output; else if(output < pid->min_output) output = pid->min_output; // 更新误差历史 pid->prev_error = error; return output; } #ifndef __PID_H_ #define __PID_H_ typedef struct { float kp, ki, kd; float integral; float prev_error; float max_output; float min_output; } PID_Controller; float pid_control(PID_Controller* pid, float setpoint, float input); #endif

为什么我采不到电压#include “stm32f4xx.h” #include “delay.h” #include “oled.h” #include “stdio.h” #include “stdlib.h” #include “arm_math.h” #include “pid.h” #include “./adc/bsp_adc.h” #include “tim.h” float pid_out; volatile uint8_t adc_data_ready = 0; volatile uint8_t tim_update_flag ; volatile uint32_t last_adc_value = 0; float Vout_actual = 0.0f; float Target = 20.0f; // 目标输出电压 float voltage1; // 全局PID控制器 PID_Controller pid; extern __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern uint16_t TIM1_Impluse ;//高级定时器占空比 int main(void) { OLED_Init(); Adc_Init(); TIM_Init(); // 输入20V→输出15V:kp=0.3-0.6, ki=0.05-0.2, kd=0.01-0.05 //输入35V→输出20V:kp=0.2-0.4, ki=0.02-0.1, kd=0.005-0.02 pid.kp = 0.5f; // 从较小值开始调试 pid.ki = 0.1f; pid.kd = 0.01f; pid.max_output = 100.0f; pid.min_output = 0.0f; pid.integral = 0; pid.prev_error = 0; while(1) { if (adc_data_ready) { // 计算电压 voltage1 = last_adc_value * 3.3f*0.000244140625; Vout_actual = voltage1; adc_data_ready = 0; } if (tim_update_flag) { // 使用PID计算 pid_out = pid_control(&pid, Target, Vout_actual); // 安全更新PWM (限制在0-8400) TIM1_Impluse = pid_out * 84; // 0-100% -> 0-8400 TIM1->CCR1 = TIM1_Impluse; // // 重置标志 tim_update_flag = 0; } // a=pid_control (5 , 0.25, 0 ,Target ,Vout_actual); // ADC_Read(); // float six = 6; // char str[40]; // sprintf(str,“Vout_actual = %.3f”,Vout_actual); // OLED_ShowString(WORD_WIDTH0,WORD_HIGH1,(u8 *)str,WORD_SIZE); // OLED_Refresh_Gram(); // delay_us(100); static char display_buffer[2][40]; snprintf(display_buffer[0], 40, “Vout: %.2fV”, Vout_actual); delay_ms(50); snprintf(display_buffer[1], 40, “Duty: %d”, TIM1->CCR1); OLED_ShowString(0, 1, (u8*)display_buffer[0], 12); OLED_ShowString(0, 18, (u8*)display_buffer[1], 12); OLED_Refresh_Gram(); } } #include “stm32f4xx_it.h” #include “oled.h” #include <math.h> #include “./adc/bsp_adc.h” #include “pid.h” extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; extern float pid_out; extern float Vout_actual; extern uint16_t TIM1_Impluse ;//高级定时器占空比 extern volatile uint8_t adc_data_ready ; extern volatile uint8_t tim_update_flag ; extern volatile uint32_t last_adc_value; void TIM1_UP_TIM10_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { // Vout_actual = voltage1; // pid_out = pid_control (5 , 0.25, 0 ,Vout_set ,Vout_actual); // TIM1->CCR1 = pid_out; // tim_update_flag = 1; // 设置标志,表示发生了一次更新中断 TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { // 处理传输完成中断 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0)) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); last_adc_value = ADC_ConvertedValue[0]; adc_data_ready = 1; } // 处理半传输中断 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_HTIF0)) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_HTIF0); } // 处理传输错误中断 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TEIF0)) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TEIF0); // 这里可以添加错误处理代码 } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs / while (1) {} } void BusFault_Handler(void) { / Go to infinite loop when Bus Fault exception occurs / while (1) {} } void UsageFault_Handler(void) { / Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { } #include “tim.h” uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /-----------------------------PA8,PA7------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA9,PB14------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA10,PB1------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /-----------------------------基本结构体------------------------------------/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(1-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /-----------------------------基本结构体------------------------------------/ /-----------------------------输出比较------------------------------------/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /-----------------------------输出比较------------------------------------/ /-----------------------------死区刹车------------------------------------/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /-----------------------------死区刹车------------------------------------/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /-----------------------------中断------------------------------------/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /-----------------------------中断------------------------------------/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #include “oled.h” #include “oledfont.h” #include “delay.h” //OLED的显存 //存放格式如下. //[0]0 1 2 3 … 127 //[1]0 1 2 3 … 127 //[2]0 1 2 3 … 127 //[3]0 1 2 3 … 127 //[4]0 1 2 3 … 127 //[5]0 1 2 3 … 127 //[6]0 1 2 3 … 127 //[7]0 1 2 3 … 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-’ ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n–)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow0&&t<(len-1)) { if(temp0) { OLED_ShowChar(x+(size/2)*t,y,’ ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<=‘~’)&&(*p>=’ '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #ifndef _oled_H #define _oled_H #include “sys/system.h” #include “stdlib.h” #define WORD_SIZE 12 #define X_OFFSET_WORD 0 #define Y_OFFSET_WORD 0 #define X_OFFSTE_PIXEL 0 #define Y_OFFSTE_PIXEL 0 #if WORD_SIZE != 12 && WORD_SIZE != 16 && WORD_SIZE != 24 #define WORD_SIZE 12 #endif #if WORD_SIZE == 24 #define WORD_WIDTH 12 #define WORD_HIGH 24 #endif #if WORD_SIZE == 16 #define WORD_WIDTH 8 #define WORD_HIGH 16 #endif #if WORD_SIZE == 12 #define WORD_WIDTH 6 #define WORD_HIGH 12 #endif //OLED模式设置 //0:4线串行SPI模式 //1:并行8080模式 //2:IIC模式 #define OLED_MODE 0 #define SIZE 16 #define XLevelL 0x00 #define XLevelH 0x10 #define Max_Column 128 #define Max_Row 64 #define Brightness 0xFF #define X_WIDTH 128 #define Y_WIDTH 64 #if OLED_MODE==0 //OLDE-SPI4线控制管脚定义 #define OLED_SCL PCout(1) #define OLED_SDA PCout(0) #define OLED_RST PCout(13) #define OLED_DC PEout(6) #define OLED_CS PEout(2) #endif #if OLED_MODE==1 //OLDE-8080总线控制管脚定义 #define OLED_CS PDout(3) #define OLED_RST PDout(4) #define OLED_DC PDout(5) #define OLED_WR PDout(6) #define OLED_RD PDout(7) #define OLED_DATA_OUT(x) GPIO_Write(GPIOC,x);//输出 #endif #if OLED_MODE==2 //OLDE-IIC总线控制管脚定义 #endif #define OLED_CMD 0 //写命令 #define OLED_DATA 1 //写数据 //OLED控制用函数 void OLED_WR_Byte(u8 dat,u8 cmd); void OLED_Display_On(void); void OLED_Display_Off(void); void OLED_Set_Pos(unsigned char x, unsigned char y); void OLED_Init(void); void OLED_Refresh_Gram(void); void OLED_Clear(void); void OLED_DrawPoint(u8 x,u8 y,u8 t); void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot); void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size); void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size); void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode); void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]); #endif #include “./adc/bsp_adc.h” __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /=通道1==/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); } void ADC_DMA_Config(void) { DMA_InitTypeDef DMA_InitStructure; // 1. 使能 DMA 时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 2. 配置 DMA 参数 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; // DMA 通道 0 DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)ADC_ConvertedValue ; // ADC 数据寄存器地址 DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)ADC_ConvertedValue; // 内存缓冲区地址 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 外设到内存 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 缓冲区大小 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 外设地址不递增 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // 内存地址递增 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 外设数据大小:半字(16位) DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 内存数据大小:半字(16位) DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // 循环模式 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 高优先级 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // 禁用 FIFO 模式 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; // FIFO 阈值 DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; // 内存突发传输:单次 DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 外设突发传输:单次 // 3. 初始化 DMA DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 4. 使能 DMA 中断(传输完成、传输错误) DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC | DMA_IT_TE | DMA_IT_HT, ENABLE); // 5. 使能 DMA 流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); } void ADC_Config(void) { ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // 1. 使能 ADC 时钟 RCC_APB2PeriphClockCmd(ADC_CLK, ENABLE); // 2. 配置 ADC 通用参数 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 独立模式 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // ADC 时钟分频:PCLK2/4 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // DMA 访问模式 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles; // 采样延迟 ADC_CommonInit(&ADC_CommonInitStructure); // 3. 配置 ADC 参数 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 12位分辨率 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 扫描模式使能 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; // 连续转换模式 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; // 无外部触发 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; // 外部触发源 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; // 数据右对齐 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL ; // 转换通道数 ADC_Init(ADC_, &ADC_InitStructure); // 4. 配置 ADC 通道(通道4,PA4) ADC_RegularChannelConfig(ADC_, ADC_Channel_4, 1, ADC_SampleTime_84Cycles); // 5. 使能 ADC DMA ADC_DMACmd(ADC_, ENABLE); // 6. 使能 ADC ADC_Cmd(ADC_, ENABLE); // 7. 启动 ADC 转换 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void Adc_Init(void) { ADC_GPIO_Config(); ADC_DMA_Config(); ADC_Config(); ADC_NVIC_Config(); } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include “stm32f4xx.h” #define RHEOSTAT_NOFCHANEL 1 /=通道1 IO==/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOA #define ADC_GPIO_PIN1 GPIO_Pin_4 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL1 ADC_Channel_4 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 // DMA 配置 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); #endif /* __BSP_ADC_H */ #include “pid.h” float pid_control(PID_Controller* pid, float setpoint, float input) { // 计算当前误差 float error = setpoint - input; // 比例项 float p_term = pid->kp * error; // 积分项(带抗饱和) pid->integral += error; // 积分限幅 if(pid->integral > pid->max_output) pid->integral = pid->max_output; else if(pid->integral < pid->min_output) pid->integral = pid->min_output; float i_term = pid->ki * pid->integral; // 微分项(标准实现) float d_term = pid->kd * (error - pid->prev_error); // PID输出 float output = p_term + i_term + d_term; // 输出限幅 if(output > pid->max_output) output = pid->max_output; else if(output < pid->min_output) output = pid->min_output; // 更新误差历史 pid->prev_error = error; return output; } #ifndef _PID_H #define _PID_H typedef struct { float kp, ki, kd; float integral; float prev_error; float max_output; float min_output; } PID_Controller; float pid_control(PID_Controller* pid, float setpoint, float input); #endif,这代码哪有问题

为什么一把tim中断给注销掉,该程序的oled屏就可以亮了,我想知道ADC,TIM,DMA在下面这个buck电路中起着什么样的作用,而且为什么这个程序达不到稳压的作用,还有oled屏上的实际电压是F4板子上那个引脚的,它应该显示多少伏#include “stm32f4xx.h” #include “delay.h” #include “oled.h” #include “stdio.h” #include “stdlib.h” #include “arm_math.h” #include “pid.h” #include “./adc/bsp_adc.h” #include “tim.h” extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 12; // 目标输出电压12 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; volatile uint32_t sys_tick = 0; // 全局计时器变量 extern float pid_out; extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; #define FILTER_SAMPLES 5 float voltage_buffer[FILTER_SAMPLES] = {0}; uint8_t buffer_index = 0; // 修改ADC读取函数 void ADC_Read(void) { // 原始读取 voltage1 = (float)ADC_ConvertedValue[0] * 0.000244140625 * 3.3; // 移动平均滤波 voltage_buffer[buffer_index] = voltage1; buffer_index = (buffer_index + 1) % FILTER_SAMPLES; float sum = 0; for (int i = 0; i < FILTER_SAMPLES; i++) { sum += voltage_buffer[i]; } Vout_actual = sum / FILTER_SAMPLES; } int main(void) { #define MAX_VOLTAGE 13.0f // 最大允许电压 // 在主循环中添加 if (Vout_actual > MAX_VOLTAGE) { // 触发保护:关闭PWM输出 TIM_CtrlPWMOutputs(TIM1, DISABLE); OLED_ShowString(0, 3, (u8*)"OVER VOLTAGE!", 16); while(1); // 死循环保护 } // 1. 初始化SysTick if(SysTick_Config(SystemCoreClock / 1000)) { // 错误处理 while(1); } // 3. 初始化外设 OLED_Init(); delay_ms(500); // 确保OLED完全启动 Adc_Init(); TIM_Init(); // TIM1中断已禁用 uint32_t last_pid_time = 0; const uint32_t pid_interval = 10; // PID计算间隔(ms) char str[40]; // 添加滤波初始化 for (int i = 0; i < FILTER_SAMPLES; i++) { voltage_buffer[i] = 0; } while(1) { ADC_Read(); // 读取并滤波ADC值 // 每10ms执行一次PID计算 if (sys_tick - last_pid_time >= pid_interval) { last_pid_time = sys_tick; pid_out = pid_control(2.0, 0.1, 0.01, Target, Vout_actual); TIM1->CCR1 = (uint16_t)(pid_out * 8.4); // 8400/100=84 → 8.4 // 显示PID输出 sprintf(str, "PID Out: %.1f%%", pid_out); OLED_ShowString(0, 2, (u8*)str, 12); } // 显示实际电压 sprintf(str, "Vout: %.2fV", Vout_actual); OLED_ShowString(0, 1, (u8*)str, 12); OLED_Refresh_Gram(); delay_ms(1); } } #include “stm32f4xx_it.h” #include “oled.h” #include <math.h> #include “./adc/bsp_adc.h” #include “pid.h” extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; float Vout_set; // 目标输出电压 float pid_out; extern volatile uint32_t sys_tick; extern float pid_out; volatile uint32_t tim1_update_count = 0; #define PID_CALC_INTERVAL 20 // 每20次中断(即1ms,如果中断频率20kHz)计算一次 void TIM1_UP_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { tim1_update_count++; if (tim1_update_count >= PID_CALC_INTERVAL) { tim1_update_count = 0; // // 读取全局变量Vout_actual,由主循环更新 // pid_out = pid_control (5 , 0.25, 0 ,Vout_set ,Vout_actual); // TIM1->CCR1 = pid_out; } TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs / while (1) {} } void BusFault_Handler(void) { / Go to infinite loop when Bus Fault exception occurs / while (1) {} } void UsageFault_Handler(void) { / Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { sys_tick++; // 每毫秒增加1 } #include “delay.h” #include “core_cm4.h” #include “misc.h” // couter 减1的时间 等于 1/systick_clk // 当counter 从 reload 的值减小到0的时候,为一个循环,如果开启了中断则执行中断服务程序, // 同时 CTRL 的 countflag 位会置1 // 这一个循环的时间为 reload * (1/systick_clk) void delay_us( __IO uint32_t us) { uint32_t i; SysTick_Config(SystemCoreClock/1000000); for(i=0;i<us;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~SysTick_CTRL_ENABLE_Msk; } void delay_ms( __IO uint32_t ms) { uint32_t i; SysTick_Config(SystemCoreClock/1000); for(i=0;i<ms;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 // 当置1时,读取该位会清0 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~ SysTick_CTRL_ENABLE_Msk; } /***********************END OF FILE/ #include “oled.h” #include “oledfont.h” #include “delay.h” //OLED的显存 //存放格式如下. //[0]0 1 2 3 … 127 //[1]0 1 2 3 … 127 //[2]0 1 2 3 … 127 //[3]0 1 2 3 … 127 //[4]0 1 2 3 … 127 //[5]0 1 2 3 … 127 //[6]0 1 2 3 … 127 //[7]0 1 2 3 … 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-’ ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n–)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow0&&t<(len-1)) { if(temp0) { OLED_ShowChar(x+(size/2)*t,y,’ ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<=‘~’)&&(*p>=’ '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #include “oled.h” #include “oledfont.h” #include “delay.h” //OLED的显存 //存放格式如下. //[0]0 1 2 3 … 127 //[1]0 1 2 3 … 127 //[2]0 1 2 3 … 127 //[3]0 1 2 3 … 127 //[4]0 1 2 3 … 127 //[5]0 1 2 3 … 127 //[6]0 1 2 3 … 127 //[7]0 1 2 3 … 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-’ ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n–)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow0&&t<(len-1)) { if(temp0) { OLED_ShowChar(x+(size/2)*t,y,’ ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<=‘~’)&&(*p>=’ '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #include “tim.h” uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /-----------------------------PA8,PA7------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA9,PB14------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA10,PB1------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /-----------------------------基本结构体------------------------------------/ TIM_TimeBaseInitStructure.TIM_Period = (840-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(10-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /-----------------------------基本结构体------------------------------------/ /-----------------------------输出比较------------------------------------/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /-----------------------------输出比较------------------------------------/ /-----------------------------死区刹车------------------------------------/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /-----------------------------死区刹车------------------------------------/ // TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /-----------------------------中断------------------------------------/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=14; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /-----------------------------中断------------------------------------/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #include “./adc/bsp_adc.h” __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /=通道1==/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /*=====================通道2======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /*=====================通道3=======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =6; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include “stm32f4xx.h” #define RHEOSTAT_NOFCHANEL 3 /=通道1 IO==/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /=====================通道2 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /=====================通道3 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */ #include “pid.h” float kp, ki, kd; // PID参数 float last_error = 0,last_error_2 = 0 , last_output, setpoint, input, output; // 修改pid.c #define MAX_INTEGRAL 20.0f // 积分限幅 float pid_control(float KP, float KI, float KD, float Set_Point, float Now_Point) { static float integral = 0; float error = Set_Point - Now_Point; // 积分项限幅 integral += error; if (integral > MAX_INTEGRAL) integral = MAX_INTEGRAL; if (integral < -MAX_INTEGRAL) integral = -MAX_INTEGRAL; float output = KP * error + KI * integral + KD * (error - last_error); last_error = error; // 输出限幅 (0-100%) if (output > 100.0f) output = 100.0f; if (output < 0.0f) output = 0.0f; return output; } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include "stm32f4xx.h" #define RHEOSTAT_NOFCHANEL 3 /*=====================通道1 IO======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /*=====================通道2 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /*=====================通道3 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */

为什么一把tim中断给注销掉,该程序的oled屏就可以亮了,我的意思是之前的程序里是有tim中断的时候,oled屏怎么都不亮,而当我只把TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); 这串代码给注释掉时,oled就能亮显示了,这是为什么,所以我才我想知道ADC,TIM,DMA在下面这个buck电路中起着什么样的作用而且该代码能不能更有秩序一点,main函数里有点太乱了,而且为什么这个程序达不到稳压的作用,还有oled屏上的实际电压是F4板子上那个引脚的,它应该显示多少伏#include “stm32f4xx.h” #include “delay.h” #include “oled.h” #include “stdio.h” #include “stdlib.h” #include “arm_math.h” #include “pid.h” #include “./adc/bsp_adc.h” #include “tim.h” extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 12; // 目标输出电压12 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; volatile uint32_t sys_tick = 0; // 全局计时器变量 extern float pid_out; extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; #define FILTER_SAMPLES 5 float voltage_buffer[FILTER_SAMPLES] = {0}; uint8_t buffer_index = 0; // 修改ADC读取函数 void ADC_Read(void) { // 原始读取 voltage1 = (float)ADC_ConvertedValue[0] * 0.000244140625 * 3.3; // 移动平均滤波 voltage_buffer[buffer_index] = voltage1; buffer_index = (buffer_index + 1) % FILTER_SAMPLES; float sum = 0; for (int i = 0; i < FILTER_SAMPLES; i++) { sum += voltage_buffer[i]; } Vout_actual = sum / FILTER_SAMPLES; } int main(void) { #define MAX_VOLTAGE 13.0f // 最大允许电压 // 在主循环中添加 if (Vout_actual > MAX_VOLTAGE) { // 触发保护:关闭PWM输出 TIM_CtrlPWMOutputs(TIM1, DISABLE); OLED_ShowString(0, 3, (u8*)“OVER VOLTAGE!”, 16); while(1); // 死循环保护 } // 1. 初始化SysTick if(SysTick_Config(SystemCoreClock / 1000)) { // 错误处理 while(1); } // 3. 初始化外设 OLED_Init(); delay_ms(500); // 确保OLED完全启动 Adc_Init(); TIM_Init(); // TIM1中断已禁用 uint32_t last_pid_time = 0; const uint32_t pid_interval = 10; // PID计算间隔(ms) char str[40]; // 添加滤波初始化 for (int i = 0; i < FILTER_SAMPLES; i++) { voltage_buffer[i] = 0; } while(1) { ADC_Read(); // 读取并滤波ADC值 // 每10ms执行一次PID计算 if (sys_tick - last_pid_time >= pid_interval) { last_pid_time = sys_tick; pid_out = pid_control(2.0, 0.1, 0.01, Target, Vout_actual); TIM1->CCR1 = (uint16_t)(pid_out * 8.4); // 8400/100=84 → 8.4 // 显示PID输出 sprintf(str, “PID Out: %.1f%%”, pid_out); OLED_ShowString(0, 2, (u8*)str, 12); } // 显示实际电压 sprintf(str, “Vout: %.2fV”, Vout_actual); OLED_ShowString(0, 1, (u8*)str, 12); OLED_Refresh_Gram(); delay_ms(1); } } #include “stm32f4xx_it.h” #include “oled.h” #include <math.h> #include “./adc/bsp_adc.h” #include “pid.h” extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; float Vout_set; // 目标输出电压 float pid_out; extern volatile uint32_t sys_tick; extern float pid_out; volatile uint32_t tim1_update_count = 0; #define PID_CALC_INTERVAL 20 // 每20次中断(即1ms,如果中断频率20kHz)计算一次 void TIM1_UP_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { tim1_update_count++; if (tim1_update_count >= PID_CALC_INTERVAL) { tim1_update_count = 0; // // 读取全局变量Vout_actual,由主循环更新 // pid_out = pid_control (5 , 0.25, 0 ,Vout_set ,Vout_actual); // TIM1->CCR1 = pid_out; } TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs / while (1) {} } void BusFault_Handler(void) { / Go to infinite loop when Bus Fault exception occurs / while (1) {} } void UsageFault_Handler(void) { / Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { sys_tick++; // 每毫秒增加1 } #include “delay.h” #include “core_cm4.h” #include “misc.h” // couter 减1的时间 等于 1/systick_clk // 当counter 从 reload 的值减小到0的时候,为一个循环,如果开启了中断则执行中断服务程序, // 同时 CTRL 的 countflag 位会置1 // 这一个循环的时间为 reload * (1/systick_clk) void delay_us( __IO uint32_t us) { uint32_t i; SysTick_Config(SystemCoreClock/1000000); for(i=0;i<us;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~SysTick_CTRL_ENABLE_Msk; } void delay_ms( __IO uint32_t ms) { uint32_t i; SysTick_Config(SystemCoreClock/1000); for(i=0;i<ms;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 // 当置1时,读取该位会清0 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~ SysTick_CTRL_ENABLE_Msk; } /***********************END OF FILE/ #include “oled.h” #include “oledfont.h” #include “delay.h” //OLED的显存 //存放格式如下. //[0]0 1 2 3 … 127 //[1]0 1 2 3 … 127 //[2]0 1 2 3 … 127 //[3]0 1 2 3 … 127 //[4]0 1 2 3 … 127 //[5]0 1 2 3 … 127 //[6]0 1 2 3 … 127 //[7]0 1 2 3 … 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-’ ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n–)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow0&&t<(len-1)) { if(temp0) { OLED_ShowChar(x+(size/2)*t,y,’ ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+‘0’,size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<=‘~’)&&(*p>=’ '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65vcc;001,0.77vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #include “oled.h” #include “oledfont.h” #include “delay.h” //OLED的显存 //存放格式如下. //[0]0 1 2 3 … 127 //[1]0 1 2 3 … 127 //[2]0 1 2 3 … 127 //[3]0 1 2 3 … 127 //[4]0 1 2 3 … 127 //[5]0 1 2 3 … 127 //[6]0 1 2 3 … 127 //[7]0 1 2 3 … 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-’ ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n–)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow0&&t<(len-1)) { if(temp0) { OLED_ShowChar(x+(size/2)*t,y,’ ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+‘0’,size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<=‘~’)&&(*p>=’ '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65vcc;001,0.77vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #include “tim.h” uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /-----------------------------PA8,PA7------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA9,PB14------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA10,PB1------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /-----------------------------基本结构体------------------------------------/ TIM_TimeBaseInitStructure.TIM_Period = (840-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(10-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /-----------------------------基本结构体------------------------------------/ /-----------------------------输出比较------------------------------------/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /-----------------------------输出比较------------------------------------/ /-----------------------------死区刹车------------------------------------/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /-----------------------------死区刹车------------------------------------/ // TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /-----------------------------中断------------------------------------/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=14; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /-----------------------------中断------------------------------------/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #include “./adc/bsp_adc.h” __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /=通道1==/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /=通道2==/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /=通道3===/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =6; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include “stm32f4xx.h” #define RHEOSTAT_NOFCHANEL 3 /=通道1 IO==/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /=====================通道2 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /=====================通道3 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */ #include “pid.h” float kp, ki, kd; // PID参数 float last_error = 0,last_error_2 = 0 , last_output, setpoint, input, output; // 修改pid.c #define MAX_INTEGRAL 20.0f // 积分限幅 float pid_control(float KP, float KI, float KD, float Set_Point, float Now_Point) { static float integral = 0; float error = Set_Point - Now_Point; // 积分项限幅 integral += error; if (integral > MAX_INTEGRAL) integral = MAX_INTEGRAL; if (integral < -MAX_INTEGRAL) integral = -MAX_INTEGRAL; float output = KP * error + KI * integral + KD * (error - last_error); last_error = error; // 输出限幅 (0-100%) if (output > 100.0f) output = 100.0f; if (output < 0.0f) output = 0.0f; return output; } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include “stm32f4xx.h” #define RHEOSTAT_NOFCHANEL 3 /=通道1 IO==/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /=====================通道2 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /=====================通道3 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */

#include "sys.h" #include "rs485.h" #include "delay.h" #include "modbus_timer.h" #include "modbus.h" //定时器中定义了Rx_Data_len //PD7控制485的发送和接收使能 //rs485初始化完毕一般配置为接收使能(正常状态处于接收状态,只有发送的时候才使能发送) //modbus串口发送一个字节数据 void Modbus_Send_Byte(u8 Modbus_byte) { USART_SendData(USART2,Modbus_byte); while(USART_GetFlagStatus(USART2, USART_FLAG_TC) == RESET); USART_ClearFlag(USART2, USART_FLAG_TC); } //485串口初始化 //初始化IO 串口2 //bound:波特率 void Modbus_uart2_init(u32 bound){ //GPIO端口设置 GPIO_InitTypeDef GPIO_InitStructure;//GPIO结构体指针 USART_InitTypeDef USART_InitStructure;//串口结构体指针 NVIC_InitTypeDef NVIC_InitStructure;//中断分组结构体指针 //1、使能串口时钟,串口引脚时钟 串口2挂载到APB1上 RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE); //使能USART2时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOD,ENABLE);//使能串口时钟和收发使能时钟 //2、复位串口 USART_DeInit(USART2); //复位串口1 //3、发送接收引脚的设置 //USART2_TX PA.2(由图 可知设置为推挽复用输出) GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //PA.9 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出 GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化PA9 //USART2_RX PA.3(有图可知浮空输入) GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入 GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化PA10 //485收发控制引脚PD7 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; //PA.9 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //普通的推挽输出 GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化PA9 //4、USART 初始化设置 USART_InitStructure.USART_BaudRate = bound;//一般设置为9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b;//字长为8位数据格式 USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位 USART_InitStructure.USART_Parity = USART_Parity_No;//无奇偶校验位 USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //收发模式 USART_Init(USART2, &USART_InitStructure); //初始化串口 //5、Usart1 NVIC 配置 NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//抢占优先级3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //子优先级3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //根据指定的参数初始化VIC寄存器 //6、开启接收数据中断 // USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);//开启中断 //7、使能串口 USART_Cmd(USART2, ENABLE); //使能串口 RS485_RX_ENABLE;//使能接收引脚(常态下处于接收状态) } 移除RS485方向控制逻辑

为什么这一个buck文件加上adc或者是tim初始化就会使ole屏不亮,把这两个初始化去掉,oled屏又亮了,怎么解决(我用的使F4的板子和芯片)#include “stm32f4xx.h” #include “delay.h” #include “oled.h” #include “stdio.h” #include “stdlib.h” #include “arm_math.h” #include “pid.h” #include “./adc/bsp_adc.h” #include “tim.h” extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 12; // 目标输出电压12 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; int main(void) { OLED_Init(); arm_sin_f32(23); // Adc_Init(); TIM_Init(); while(1) { // a=pid_control (5 , 0.25, 0 ,Target ,Vout_actual); ADC_Read(); // float six = 6; char str[40]; sprintf(str,“Vout_actual = %.3f”,Vout_actual); OLED_ShowString(WORD_WIDTH0,WORD_HIGH1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); } } #include “./adc/bsp_adc.h” __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /=通道1==/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /*=====================通道2======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /*=====================通道3=======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void ADC_Read(void) { voltage1=(float)ADC_ConvertedValue[0]0.0002441406253.3; voltage2=(float)ADC_ConvertedValue[1]0.0002441406253.3; voltage3=(float)ADC_ConvertedValue[2]0.0002441406253.3; Vout_actual = voltage1; } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include “stm32f4xx.h” #define RHEOSTAT_NOFCHANEL 3 /=通道1 IO==/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /=====================通道2 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /=====================通道3 IO ======================/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */ #include “tim.h” uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /-----------------------------PA8,PA7------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA9,PB14------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ /-----------------------------PA10,PB1------------------------------------/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /-----------------------------------------------------------------------/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /-----------------------------基本结构体------------------------------------/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(1-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /-----------------------------基本结构体------------------------------------/ /-----------------------------输出比较------------------------------------/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /-----------------------------输出比较------------------------------------/ /-----------------------------死区刹车------------------------------------/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /-----------------------------死区刹车------------------------------------/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /-----------------------------中断------------------------------------/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /-----------------------------中断------------------------------------/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #ifndef __TIM_H #define __TIM_H #include “sys.h” void TIM_Init(void); #endif #include “stm32f4xx_it.h” #include “oled.h” #include <math.h> #include “./adc/bsp_adc.h” #include “pid.h” extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; float Vout_set; // 目标输出电压 float pid_out; extern float pid_out; void TIM1_UP_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { Vout_actual = voltage1; pid_out = pid_control (5 , 0.25, 0 ,Vout_set ,Vout_actual); TIM1->CCR1 = pid_out; TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { // 检查传输完成中断标志 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { // 清除中断标志 DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); // 调用ADC_Read计算电压 ADC_Read(); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs / while (1) {} } void BusFault_Handler(void) { / Go to infinite loop when Bus Fault exception occurs / while (1) {} } void UsageFault_Handler(void) { / Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { } #include “pid.h” float kp, ki, kd; // PID参数 float last_error = 0,last_error_2 = 0 , last_output, setpoint, input, output; float pid_control(float KP , float KI , float KD , float Set_Point , float Now_Point) { kp = KP; ki = KI; kd = KD; setpoint = Set_Point; input = Now_Point; float error = setpoint - input; float delta_error = error - last_error; output += kp*delta_error + ki*error + kd*(error-2*last_error+last_error_2); last_error_2 = last_error; last_error = error; last_output = output; //输出限幅 // if(output >= 100.0f ) output = 100.0f; return output; } #ifndef _PID_H #define _PID_H float pid_control(float KP , float KI , float KD , float Set_Point , float Now_Point); #endif #include “oled.h” #include “oledfont.h” #include “delay.h” //OLED的显存 //存放格式如下. //[0]0 1 2 3 … 127 //[1]0 1 2 3 … 127 //[2]0 1 2 3 … 127 //[3]0 1 2 3 … 127 //[4]0 1 2 3 … 127 //[5]0 1 2 3 … 127 //[6]0 1 2 3 … 127 //[7]0 1 2 3 … 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-’ ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n–)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow0&&t<(len-1)) { if(temp0) { OLED_ShowChar(x+(size/2)*t,y,’ ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<=‘~’)&&(*p>=’ '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #ifndef _oled_H #define _oled_H #include “sys/system.h” #include “stdlib.h” #define WORD_SIZE 12 #define X_OFFSET_WORD 0 #define Y_OFFSET_WORD 0 #define X_OFFSTE_PIXEL 0 #define Y_OFFSTE_PIXEL 0 #if WORD_SIZE != 12 && WORD_SIZE != 16 && WORD_SIZE != 24 #define WORD_SIZE 12 #endif #if WORD_SIZE == 24 #define WORD_WIDTH 12 #define WORD_HIGH 24 #endif #if WORD_SIZE == 16 #define WORD_WIDTH 8 #define WORD_HIGH 16 #endif #if WORD_SIZE == 12 #define WORD_WIDTH 6 #define WORD_HIGH 12 #endif //OLED模式设置 //0:4线串行SPI模式 //1:并行8080模式 //2:IIC模式 #define OLED_MODE 0 #define SIZE 16 #define XLevelL 0x00 #define XLevelH 0x10 #define Max_Column 128 #define Max_Row 64 #define Brightness 0xFF #define X_WIDTH 128 #define Y_WIDTH 64 #if OLED_MODE==0 //OLDE-SPI4线控制管脚定义 #define OLED_SCL PCout(1) #define OLED_SDA PCout(0) #define OLED_RST PCout(13) #define OLED_DC PEout(6) #define OLED_CS PEout(2) #endif #if OLED_MODE==1 //OLDE-8080总线控制管脚定义 #define OLED_CS PDout(3) #define OLED_RST PDout(4) #define OLED_DC PDout(5) #define OLED_WR PDout(6) #define OLED_RD PDout(7) #define OLED_DATA_OUT(x) GPIO_Write(GPIOC,x);//输出 #endif #if OLED_MODE==2 //OLDE-IIC总线控制管脚定义 #endif #define OLED_CMD 0 //写命令 #define OLED_DATA 1 //写数据 //OLED控制用函数 void OLED_WR_Byte(u8 dat,u8 cmd); void OLED_Display_On(void); void OLED_Display_Off(void); void OLED_Set_Pos(unsigned char x, unsigned char y); void OLED_Init(void); void OLED_Refresh_Gram(void); void OLED_Clear(void); void OLED_DrawPoint(u8 x,u8 y,u8 t); void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot); void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size); void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size); void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode); void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]); #endif

为什么这一个buck文件加上adc或者是tim初始化就会使ole屏不亮,把这两个初始化去掉,oled屏又亮了,怎么解决(我用的使F4的板子和芯片)#include "stm32f4xx.h" #include "delay.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" #include "arm_math.h" #include "pid.h" #include "./adc/bsp_adc.h" #include "tim.h" extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 12; // 目标输出电压12 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; int main(void) { OLED_Init(); arm_sin_f32(23); // Adc_Init(); TIM_Init(); while(1) { // a=pid_control (5 , 0.25, 0 ,Target ,Vout_actual); ADC_Read(); // float six = 6; char str[40]; sprintf(str,"Vout_actual = %.3f",Vout_actual); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); delay_us(100); } } #include "./adc/bsp_adc.h" __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /*=====================通道1======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /*=====================通道2======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /*=====================通道3=======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void ADC_Read(void) { voltage1=(float)ADC_ConvertedValue[0]*0.000244140625*3.3; voltage2=(float)ADC_ConvertedValue[1]*0.000244140625*3.3; voltage3=(float)ADC_ConvertedValue[2]*0.000244140625*3.3; Vout_actual = voltage1; } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include "stm32f4xx.h" #define RHEOSTAT_NOFCHANEL 3 /*=====================通道1 IO======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /*=====================通道2 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /*=====================通道3 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */ #include "tim.h" uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /*-----------------------------PA8,PA7------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA9,PB14------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA10,PB1------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /*-----------------------------基本结构体------------------------------------*/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(1-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /*-----------------------------基本结构体------------------------------------*/ /*-----------------------------输出比较------------------------------------*/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /*-----------------------------输出比较------------------------------------*/ /*-----------------------------死区刹车------------------------------------*/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /*-----------------------------死区刹车------------------------------------*/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /*-----------------------------中断------------------------------------*/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /*-----------------------------中断------------------------------------*/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #ifndef __TIM_H #define __TIM_H #include "sys.h" void TIM_Init(void); #endif #include "stm32f4xx_it.h" #include "oled.h" #include <math.h> #include "./adc/bsp_adc.h" #include "pid.h" extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; float Vout_set; // 目标输出电压 float pid_out; extern float pid_out; void TIM1_UP_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { Vout_actual = voltage1; pid_out = pid_control (5 , 0.25, 0 ,Vout_set ,Vout_actual); TIM1->CCR1 = pid_out; TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { // 检查传输完成中断标志 if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { // 清除中断标志 DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); // 调用ADC_Read计算电压 ADC_Read(); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) {} } void BusFault_Handler(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) {} } void UsageFault_Handler(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { } #include "pid.h" float kp, ki, kd; // PID参数 float last_error = 0,last_error_2 = 0 , last_output, setpoint, input, output; float pid_control(float KP , float KI , float KD , float Set_Point , float Now_Point) { kp = KP; ki = KI; kd = KD; setpoint = Set_Point; input = Now_Point; float error = setpoint - input; float delta_error = error - last_error; output += kp*delta_error + ki*error + kd*(error-2*last_error+last_error_2); last_error_2 = last_error; last_error = error; last_output = output; //输出限幅 // if(output >= 100.0f ) output = 100.0f; return output; } #ifndef __PID_H_ #define __PID_H_ float pid_control(float KP , float KI , float KD , float Set_Point , float Now_Point); #endif #include "oled.h" #include "oledfont.h" #include "delay.h" //OLED的显存 //存放格式如下. //[0]0 1 2 3 ... 127 //[1]0 1 2 3 ... 127 //[2]0 1 2 3 ... 127 //[3]0 1 2 3 ... 127 //[4]0 1 2 3 ... 127 //[5]0 1 2 3 ... 127 //[6]0 1 2 3 ... 127 //[7]0 1 2 3 ... 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-' ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size==12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size==16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n--)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size/2)*t,y,' ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<='~')&&(*p>=' '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #ifndef _oled_H #define _oled_H #include "sys/system.h" #include "stdlib.h" #define WORD_SIZE 12 #define X_OFFSET_WORD 0 #define Y_OFFSET_WORD 0 #define X_OFFSTE_PIXEL 0 #define Y_OFFSTE_PIXEL 0 #if WORD_SIZE != 12 && WORD_SIZE != 16 && WORD_SIZE != 24 #define WORD_SIZE 12 #endif #if WORD_SIZE == 24 #define WORD_WIDTH 12 #define WORD_HIGH 24 #endif #if WORD_SIZE == 16 #define WORD_WIDTH 8 #define WORD_HIGH 16 #endif #if WORD_SIZE == 12 #define WORD_WIDTH 6 #define WORD_HIGH 12 #endif //OLED模式设置 //0:4线串行SPI模式 //1:并行8080模式 //2:IIC模式 #define OLED_MODE 0 #define SIZE 16 #define XLevelL 0x00 #define XLevelH 0x10 #define Max_Column 128 #define Max_Row 64 #define Brightness 0xFF #define X_WIDTH 128 #define Y_WIDTH 64 #if OLED_MODE==0 //OLDE-SPI4线控制管脚定义 #define OLED_SCL PCout(1) #define OLED_SDA PCout(0) #define OLED_RST PCout(13) #define OLED_DC PEout(6) #define OLED_CS PEout(2) #endif #if OLED_MODE==1 //OLDE-8080总线控制管脚定义 #define OLED_CS PDout(3) #define OLED_RST PDout(4) #define OLED_DC PDout(5) #define OLED_WR PDout(6) #define OLED_RD PDout(7) #define OLED_DATA_OUT(x) GPIO_Write(GPIOC,x);//输出 #endif #if OLED_MODE==2 //OLDE-IIC总线控制管脚定义 #endif #define OLED_CMD 0 //写命令 #define OLED_DATA 1 //写数据 //OLED控制用函数 void OLED_WR_Byte(u8 dat,u8 cmd); void OLED_Display_On(void); void OLED_Display_Off(void); void OLED_Set_Pos(unsigned char x, unsigned char y); void OLED_Init(void); void OLED_Refresh_Gram(void); void OLED_Clear(void); void OLED_DrawPoint(u8 x,u8 y,u8 t); void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2); void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot); void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size); void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size); void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode); void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]); #endif

改完的代码稳不住电压#include "stm32f4xx.h" #include "delay.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" #include "arm_math.h" #include "pid.h" #include "./adc/bsp_adc.h" #include "tim.h" extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 12; // 目标输出电压12 float a; //extern __IO uint16_t ADC_ConvertedValue; extern uint16_t TIM_Advance_Impulse; // 在 main.c 中添加全局变量 // 在main.c开头添加 volatile uint32_t sys_tick = 0; // 全局计时器变量 extern float pid_out; // main.c int main(void) { // 1. 初始化SysTick if(SysTick_Config(SystemCoreClock / 1000)) { // 错误处理 while(1); } // 3. 初始化外设 OLED_Init(); delay_ms(500); // 确保OLED完全启动 Adc_Init(); TIM_Init(); // TIM1中断已禁用 uint32_t last_pid_time = 0; const uint32_t pid_interval = 10; // PID计算间隔(ms) char str[40]; while(1) { // 读取ADC值 ADC_Read(); // 每10ms执行一次PID计算 if(sys_tick - last_pid_time > pid_interval) { last_pid_time = sys_tick; // PID计算并更新PWM pid_out = pid_control(5, 0.25, 0, Target, Vout_actual); // 限制输出范围 (0-100%) if(pid_out > 100.0f) pid_out = 100.0f; if(pid_out < 0.0f) pid_out = 0.0f; TIM1->CCR1 = (uint16_t)(pid_out * 84); // 假设PWM周期为8400 } // OLED显示 sprintf(str, "Vout_actual= %.2fV", Vout_actual); OLED_ShowString(0, 1, (u8*)str, 12); OLED_Refresh_Gram(); delay_ms(1); // 减少CPU占用 } } #include "stm32f4xx_it.h" #include "oled.h" #include <math.h> #include "./adc/bsp_adc.h" #include "pid.h" extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; float Vout_set; // 目标输出电压 float pid_out; extern volatile uint32_t sys_tick; extern float pid_out; volatile uint32_t tim1_update_count = 0; #define PID_CALC_INTERVAL 20 // 每20次中断(即1ms,如果中断频率20kHz)计算一次 void TIM1_UP_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { tim1_update_count++; if (tim1_update_count >= PID_CALC_INTERVAL) { tim1_update_count = 0; // 读取全局变量Vout_actual,由主循环更新 pid_out = pid_control (5 , 0.25, 0 ,Vout_set ,Vout_actual); TIM1->CCR1 = pid_out; } TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { ADC_Read(); // 在DMA传输完成中断中读取ADC值 DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) {} } void BusFault_Handler(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) {} } void UsageFault_Handler(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { sys_tick++; // 每毫秒增加1 } #include "delay.h" #include "core_cm4.h" #include "misc.h" // couter 减1的时间 等于 1/systick_clk // 当counter 从 reload 的值减小到0的时候,为一个循环,如果开启了中断则执行中断服务程序, // 同时 CTRL 的 countflag 位会置1 // 这一个循环的时间为 reload * (1/systick_clk) void delay_us( __IO uint32_t us) { uint32_t i; SysTick_Config(SystemCoreClock/1000000); for(i=0;i<us;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~SysTick_CTRL_ENABLE_Msk; } void delay_ms( __IO uint32_t ms) { uint32_t i; SysTick_Config(SystemCoreClock/1000); for(i=0;i<ms;i++) { // 当计数器的值减小到0的时候,CRTL寄存器的位16会置1 // 当置1时,读取该位会清0 while( !((SysTick->CTRL)&(1<<16)) ); } // 关闭SysTick定时器 SysTick->CTRL &=~ SysTick_CTRL_ENABLE_Msk; } /*********************************************END OF FILE**********************/ #include "oled.h" #include "oledfont.h" #include "delay.h" //OLED的显存 //存放格式如下. //[0]0 1 2 3 ... 127 //[1]0 1 2 3 ... 127 //[2]0 1 2 3 ... 127 //[3]0 1 2 3 ... 127 //[4]0 1 2 3 ... 127 //[5]0 1 2 3 ... 127 //[6]0 1 2 3 ... 127 //[7]0 1 2 3 ... 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-' ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size==12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size==16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n--)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size/2)*t,y,' ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<='~')&&(*p>=' '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #include "tim.h" uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /*-----------------------------PA8,PA7------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA9,PB14------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA10,PB1------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /*-----------------------------基本结构体------------------------------------*/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(8-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /*-----------------------------基本结构体------------------------------------*/ /*-----------------------------输出比较------------------------------------*/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /*-----------------------------输出比较------------------------------------*/ /*-----------------------------死区刹车------------------------------------*/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转换成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /*-----------------------------死区刹车------------------------------------*/ // TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /*-----------------------------中断------------------------------------*/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=14; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /*-----------------------------中断------------------------------------*/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #include "./adc/bsp_adc.h" __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]={0}; float voltage1=0, voltage2=0, voltage3=0; float Vout_actual; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /*=====================通道1======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); /*=====================通道2======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK2,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT2, &GPIO_InitStructure); /*=====================通道3=======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK3,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT3, &GPIO_InitStructure); } static void ADC_Mode_Config(void) { DMA_InitTypeDef DMA_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // ------------------DMA Init 结构体参数 初始化-------------------------- // ADC1使用DMA2,数据流0,通道0,这个是手册固定死的 // 开启DMA时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 外设基址为:ADC 数据寄存器地址 DMA_InitStructure.DMA_PeripheralBaseAddr = RHEOSTAT_ADC_DR_ADDR; // 存储器地址,实际上就是一个内部SRAM的变量 DMA_InitStructure.DMA_Memory0BaseAddr = (u32)ADC_ConvertedValue; // 数据传输方向为外设到存储器 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 缓冲区大小为,指一次传输的数据量 DMA_InitStructure.DMA_BufferSize = RHEOSTAT_NOFCHANEL; // 外设寄存器只有一个,地址不用递增 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 存储器地址固定 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; // // 外设数据大小为半字,即两个字节 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 存储器数据大小也为半字,跟外设数据大小相同 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 循环传输模式 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // DMA 传输通道优先级为高,当使用一个DMA通道时,优先级设置不影响 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 禁止DMA FIFO ,使用直连模式 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // FIFO 大小,FIFO模式禁止时,这个不用配置 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 选择 DMA 通道,通道存在于流中 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; //初始化DMA流,流相当于一个大的管道,管道里面有很多通道 DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 使能DMA传输完成中断 DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC, ENABLE); // 使能DMA流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); // 开启ADC时钟 RCC_APB2PeriphClockCmd(ADC_CLK , ENABLE); // -------------------ADC Common 结构体 参数 初始化------------------------ // 独立ADC模式 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 时钟为fpclk x分频 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // 禁止DMA直接访问模式 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; // 采样时间间隔 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInit(&ADC_CommonInitStructure); // -------------------ADC Init 结构体 参数 初始化-------------------------- ADC_StructInit(&ADC_InitStructure); // ADC 分辨率 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 扫描模式,多通道采集需要 ADC_InitStructure.ADC_ScanConvMode = ENABLE; // 连续转换 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //禁止外部边沿触发 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //外部触发通道,本例子使用软件触发,此值随便赋值即可 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //数据右对齐 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换通道 1个 ADC_InitStructure.ADC_NbrOfConversion = RHEOSTAT_NOFCHANEL; ADC_Init(ADC_, &ADC_InitStructure); //--------------------------------------------------------------------------- // 配置 ADC 通道转换顺序和采样时间周期 ADC_RegularChannelConfig(ADC_, ADC_CHANNEL1, 1, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL2, 2, ADC_SampleTime_15Cycles); ADC_RegularChannelConfig(ADC_, ADC_CHANNEL3, 3, ADC_SampleTime_15Cycles); // 使能DMA请求 after last transfer (Single-ADC mode) ADC_DMARequestAfterLastTransferCmd(ADC_, ENABLE); // 使能ADC DMA ADC_DMACmd(ADC_, ENABLE); // 使能ADC ADC_Cmd(ADC_, ENABLE); //开始adc转换,软件触发 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //配置DMA NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =6; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void ADC_Read(void) { voltage1=(float)ADC_ConvertedValue[0]*0.000244140625*3.3; voltage2=(float)ADC_ConvertedValue[1]*0.000244140625*3.3; voltage3=(float)ADC_ConvertedValue[2]*0.000244140625*3.3; Vout_actual = voltage1; } void Adc_Init(void) { ADC_GPIO_Config(); ADC_Mode_Config(); ADC_NVIC_Config(); } #include "pid.h" float kp, ki, kd; // PID参数 float last_error = 0,last_error_2 = 0 , last_output, setpoint, input, output; float pid_control(float KP , float KI , float KD , float Set_Point , float Now_Point) { kp = KP; ki = KI; kd = KD; setpoint = Set_Point; input = Now_Point; float error = setpoint - input; float delta_error = error - last_error; output += kp*delta_error + ki*error + kd*(error-2*last_error+last_error_2); last_error_2 = last_error; last_error = error; last_output = output; // 添加输出限制 (0-100%占空比) if(output >= 100.0f) output = 100.0f; if(output <= 0.0f) output = 0.0f; return output; } #ifndef __BSP_ADC_H #define __BSP_ADC_H #include "stm32f4xx.h" #define RHEOSTAT_NOFCHANEL 3 /*=====================通道1 IO======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOE #define ADC_GPIO_PIN1 GPIO_Pin_5 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOE #define ADC_CHANNEL1 ADC_Channel_15 /*=====================通道2 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT2 GPIOA #define ADC_GPIO_PIN2 GPIO_Pin_2 #define ADC_GPIO_CLK2 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL2 ADC_Channel_2 /*=====================通道3 IO ======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT3 GPIOA #define ADC_GPIO_PIN3 GPIO_Pin_3 #define ADC_GPIO_CLK3 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL3 ADC_Channel_3 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转换后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); void ADC_Read(void); #endif /* __BSP_ADC_H */

分析下面该程序跑出的buck会有什么后果#include "stm32f4xx.h" #include "delay.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" #include "arm_math.h" #include "pid.h" #include "./adc/bsp_adc.h" #include "tim.h" extern float voltage1, voltage2, voltage3; extern float Vout_actual; float Target= 12; // 目标输出电压12 int main(void) { OLED_Init(); delay_ms(500); Adc_Init(); TIM_Init(); uint32_t last_pid_time = 0; char str[40]; const uint32_t pid_interval = 1; //ms while(1) { ADC_Read(); char str[40]; sprintf(str, "Vout: %.2fV", Vout_actual); OLED_ShowString(0, 1, (u8*)str, 12); OLED_Refresh_Gram(); delay_ms(1); } } #include "stm32f4xx_it.h" #include "oled.h" #include <math.h> #include "./adc/bsp_adc.h" #include "pid.h" uint16_t TIM_Advance_Impulse ;//高级定时器占空比 extern float Vout_actual; extern float Target ; // 目标输出电压 float pid_out; volatile uint32_t tim1_update_count = 0; #define PID_CALC_INTERVAL 20 // 每20次中断(即1ms,如果中断频率20kHz)计算一次 // 简化中断处理函数 void TIM1_UP_IRQHandler(void) { if (TIM_GetITStatus(TIM1, TIM_IT_Update)) { pid_out = pid_control(0.8f, 0.05f, 0.02f, Target, Vout_actual); TIM1->CCR1 = pid_out ; TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void DMA2_Stream0_IRQHandler(void) { if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0) != RESET) { DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); ADC_Read(); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) {} } void BusFault_Handler(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) {} } void UsageFault_Handler(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { } #include "oled.h" #include "oledfont.h" #include "delay.h" //OLED的显存 //存放格式如下. //[0]0 1 2 3 ... 127 //[1]0 1 2 3 ... 127 //[2]0 1 2 3 ... 127 //[3]0 1 2 3 ... 127 //[4]0 1 2 3 ... 127 //[5]0 1 2 3 ... 127 //[6]0 1 2 3 ... 127 //[7]0 1 2 3 ... 127 u8 OLED_GRAM[128][8]; #if OLED_MODE==0 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; OLED_DC=cmd; OLED_CS=0; for(i=0;i<8;i++) { OLED_SCL=0; if(dat&0x80) OLED_SDA=1; else OLED_SDA=0; OLED_SCL=1; dat<<=1; } OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==1 //向SSD1106写入一个字节。 //dat:要写入的数据/命令 //cmd:数据/命令标志 0,表示命令;1,表示数据; void OLED_WR_Byte(u8 dat,u8 cmd) { OLED_DATA_OUT(dat); OLED_RST=cmd; OLED_CS=0; OLED_WR=0; OLED_WR=1; OLED_CS=1; OLED_DC=1; } #endif #if OLED_MODE==2 void OLED_WR_Byte(u8 dat,u8 cmd) { } #endif //更新显存到LCD void OLED_Refresh_Gram(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址(0~7) OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); } //开启OLED显示 void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //关闭OLED显示 void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令 OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0; } } OLED_Refresh_Gram();//更新显示 } //画点 //x:0~127 //y:0~63 //t:1 填充 0,清空 void OLED_DrawPoint(u8 x,u8 y,u8 t) { u8 pos,bx,temp=0; if(x>127||y>63)return;//超出范围了. pos=7-y/8; bx=y%8; temp=1<<(7-bx); if(t)OLED_GRAM[x][pos]|=temp; else OLED_GRAM[x][pos]&=~temp; } void OLED_DrawLine(u8 x1, u8 y1, u8 x2, u8 y2) { u16 t; int xerr=0,yerr=0,delta_x,delta_y,distance; int incx,incy,uRow,uCol; delta_x=x2-x1; //计算坐标增量 delta_y=y2-y1; uRow=x1; uCol=y1; if(delta_x>0)incx=1; //设置单步方向 else if(delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if(delta_y==0)incy=0;//水平线 else{incy=-1;delta_y=-delta_y;} if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;t<=distance+1;t++ )//画线输出 { OLED_DrawPoint(uRow,uCol,1);//画点 xerr+=delta_x ; yerr+=delta_y ; if(xerr>distance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } void OLED_DrawRectangle(u8 x1, u8 y1, u8 x2, u8 y2) { OLED_DrawLine(x1,y1,x2,y1); OLED_DrawLine(x1,y1,x1,y2); OLED_DrawLine(x1,y2,x2,y2); OLED_DrawLine(x2,y1,x2,y2); } //x1,y1,x2,y2 填充区域的对角坐标 //确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63 //dot:0,清空;1,填充 void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot) { u8 x,y; for(x=x1;x<=x2;x++) { for(y=y1;y<=y2;y++) { OLED_DrawPoint(x,y,dot); } } OLED_Refresh_Gram();//更新显示 } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //mode:0,反白显示;1,正常显示 //size:选择字体 12/16/24 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0)) * (size/2); //得到字体一个字符对应点阵集所占的字节数 chr=chr-' ';//得到偏移后的值 for(t=0;t<csize;t++) { if(size==12)temp=ascii_1206[chr][t]; //调用1206字体 else if(size==16)temp=ascii_1608[chr][t]; //调用1608字体 else if(size==24)temp=ascii_2412[chr][t]; //调用2412字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //m^n函数 u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n--)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size/2)*t,y,' ',size,1); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1); } } //显示字符串 //x,y:起点坐标 //size:字体大小 //*p:字符串起始地址 void OLED_ShowString(u8 x,u8 y,const u8 *p,u8 size) { while((*p<='~')&&(*p>=' '))//判断是不是非法字符! { if(x>(128-(size/2))){x=0;y+=size;} if(y>(64-size)){y=x=0;OLED_Clear();} OLED_ShowChar(x,y,*p,size,1); x+=size/2; p++; } } //显示汉字 //x,y:起点坐标 //pos:数组位置汉字显示 //size:字体大小 //mode:0,反白显示;1,正常显示 void OLED_ShowFontHZ(u8 x,u8 y,u8 pos,u8 size,u8 mode) { u8 temp,t,t1; u8 y0=y; u8 csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数 if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size for(t=0;t<csize;t++) { if(size==12)temp=FontHzk_12[pos][t]; //调用1206字体 else if(size==16)temp=FontHzk_16[pos][t]; //调用1608字体 else if(size==24)temp=FontHzk_24[pos][t]; //调用2412字体 else if(size==32)temp=FontHzk_32[pos][t]; //调用3216字体 else return; //没有的字库 for(t1=0;t1<8;t1++) { if(temp&0x80)OLED_DrawPoint(x,y,mode); else OLED_DrawPoint(x,y,!mode); temp<<=1; y++; if((y-y0)==size) { y=y0; x++; break; } } } } //显示BMP图片128×64 //起始点坐标(x,y),x的范围0~127,y为页的范围0~7 void OLED_DrawBMP(u8 x0, u8 y0,u8 x1, u8 y1,u8 BMP[]) { u16 j=0; u8 x,y; if(y1%8==0)y=y1/8; else y=y1/8+1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } //GND 接电源地 //VCC 接5V或3.3v电源 //D0 接PD6(SCL) //D1 接PD7(SDA) //RES 接PD4 //DC 接PD5 //CS 接PD3 void OLED_Init() { GPIO_InitTypeDef GPIO_InitStructure; #if OLED_MODE==0 //4线SPI模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOA,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_6;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOE,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOE,GPIO_Pin_2|GPIO_Pin_6); //拉高电平 GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_NOPULL;//不拉 GPIO_Init(GPIOC,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_13); //拉高电平 OLED_Clear(); #endif #if OLED_MODE==1 //8080模式 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOC,ENABLE); GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT; //输出模式 GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//管脚设置 GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;//速度为100M GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD,&GPIO_InitStructure); //初始化结构体 GPIO_SetBits(GPIOD,GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); GPIO_InitStructure.GPIO_Pin = 0XFF; //PC0-7 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,0xFF); //PC0-7输出高 #endif #if OLED_MODE==2 //IIC模式 #endif OLED_RST=1; delay_ms(100); OLED_RST=0; delay_ms(100); OLED_RST=1; OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示 OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率 OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率 OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数 OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64) OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移 OLED_WR_Byte(0X00,OLED_CMD); //默认为0 OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数. OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置 OLED_WR_Byte(0x14,OLED_CMD); //bit2,开启/关闭 OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式 OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127; OLED_WR_Byte(0xC0,OLED_CMD); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置 OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置 OLED_WR_Byte(0x81,OLED_CMD); //对比度设置 OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮) OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期 OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2; OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率 OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; OLED_WR_Byte(0xA4,OLED_CMD); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示 OLED_WR_Byte(0xAF,OLED_CMD); //开启显示 OLED_Clear(); } #include "tim.h" uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /*-----------------------------PA8,PA7------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA9,PB14------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA10,PB1------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /*-----------------------------基本结构体------------------------------------*/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(10-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; 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