stm32f1的四路pwm實驗（成功）

ID:569034 · 發表于 2019-10-18 23:38

#include "./generaltim/bsp_generaltim.h"

static void GENERAL_TIM_GPIO_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

      RCC_APB2PeriphClockCmd(GENERAL_TIM_CH1_GPIO_CLK, ENABLE);
  GPIO_InitStructure.GPIO_Pin =  GENERAL_TIM_CH1_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GENERAL_TIM_CH1_PORT, &GPIO_InitStructure);

      RCC_APB2PeriphClockCmd(GENERAL_TIM_CH2_GPIO_CLK, ENABLE);
  GPIO_InitStructure.GPIO_Pin =  GENERAL_TIM_CH2_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GENERAL_TIM_CH2_PORT, &GPIO_InitStructure);


      RCC_APB2PeriphClockCmd(GENERAL_TIM_CH3_GPIO_CLK, ENABLE);
  GPIO_InitStructure.GPIO_Pin =  GENERAL_TIM_CH3_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GENERAL_TIM_CH3_PORT, &GPIO_InitStructure);

      RCC_APB2PeriphClockCmd(GENERAL_TIM_CH3_GPIO_CLK, ENABLE);
  GPIO_InitStructure.GPIO_Pin =  GENERAL_TIM_CH4_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GENERAL_TIM_CH3_PORT, &GPIO_InitStructure);
}

static void GENERAL_TIM_Mode_Config(void)
{

      GENERAL_TIM_APBxClock_FUN(GENERAL_TIM_CLK,ENABLE);
      TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
      TIM_TimeBaseStructure.TIM_Period=GENERAL_TIM_PERIOD;
      TIM_TimeBaseStructure.TIM_Prescaler= GENERAL_TIM_PSC;
      TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;
      TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up;
      TIM_TimeBaseStructure.TIM_RepetitionCounter=0;
      TIM_TimeBaseInit(GENERAL_TIM, &TIM_TimeBaseStructure);
      TIM_OCInitTypeDef  TIM_OCInitStructure;
      TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
      TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
      TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;

      TIM_OCInitStructure.TIM_Pulse = GENERAL_TIM_CCR1;
      TIM_OC1Init(GENERAL_TIM, &TIM_OCInitStructure);
      TIM_OC1PreloadConfig(GENERAL_TIM, TIM_OCPreload_Enable);

      TIM_OCInitStructure.TIM_Pulse = GENERAL_TIM_CCR2;
      TIM_OC2Init(GENERAL_TIM, &TIM_OCInitStructure);
      TIM_OC2PreloadConfig(GENERAL_TIM, TIM_OCPreload_Enable);

      TIM_OCInitStructure.TIM_Pulse = GENERAL_TIM_CCR3;
      TIM_OC3Init(GENERAL_TIM, &TIM_OCInitStructure);
      TIM_OC3PreloadConfig(GENERAL_TIM, TIM_OCPreload_Enable);

      TIM_OCInitStructure.TIM_Pulse = GENERAL_TIM_CCR4;
      TIM_OC4Init(GENERAL_TIM, &TIM_OCInitStructure);
      TIM_OC4PreloadConfig(GENERAL_TIM, TIM_OCPreload_Enable);

      TIM_Cmd(GENERAL_TIM, ENABLE);
}

void GENERAL_TIM_Init(void)
{
      GENERAL_TIM_GPIO_Config();
      GENERAL_TIM_Mode_Config();

}

#ifndef BSP_GENERALTIM_H
#define BSP_GENERALTIM_H

#include "stm32f10x.h"

#define          GENERAL_TIM                TIM3
#define          GENERAL_TIM_APBxClock_FUN    RCC_APB1PeriphClockCmd
#define          GENERAL_TIM_CLK             RCC_APB1Periph_TIM3

#define          GENERAL_TIM_PERIOD          (10-1)
#define          GENERAL_TIM_PSC             (72-1)

#define             GENERAL_TIM_CCR1          1
#define          GENERAL_TIM_CCR2             3
#define          GENERAL_TIM_CCR3             4
#define          GENERAL_TIM_CCR4             8

#define          GENERAL_TIM_CH1_GPIO_CLK    RCC_APB2Periph_GPIOA
#define          GENERAL_TIM_CH1_PORT       GPIOA
#define          GENERAL_TIM_CH1_PIN          GPIO_Pin_6

#define          GENERAL_TIM_CH2_GPIO_CLK    RCC_APB2Periph_GPIOA
#define          GENERAL_TIM_CH2_PORT       GPIOA
#define          GENERAL_TIM_CH2_PIN          GPIO_Pin_7

#define          GENERAL_TIM_CH3_GPIO_CLK    RCC_APB2Periph_GPIOB
#define          GENERAL_TIM_CH3_PORT       GPIOB
#define          GENERAL_TIM_CH3_PIN          GPIO_Pin_0

#define          GENERAL_TIM_CH4_GPIO_CLK    RCC_APB2Periph_GPIOB
#define          GENERAL_TIM_CH4_PORT       GPIOB
#define          GENERAL_TIM_CH4_PIN          GPIO_Pin_1

void GENERAL_TIM_Init(void);

#endif

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stm32f1的四路pwm實驗（成功）