标题: STM32不同频率多路PWM_仿真OK [打印本页]
作者: yoxi    时间: 2019-7-12 18:22
标题: STM32不同频率多路PWM_仿真OK










#include "system.h"

void RCC_Init_CS(void)
{
    SystemInit();
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB , ENABLE);
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2 | RCC_APB1Periph_TIM3 , ENABLE);
}

void GPIO_Init_CS(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
       
    GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_6 | GPIO_Pin_7;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOA, &GPIO_InitStructure);       
}

void TIM_Init_CS(void)
{
    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
    TIM_OCInitTypeDef TIM_OCInitStructure;
       
    TIM_TimeBaseStructure.TIM_Period = 2000;
    TIM_TimeBaseStructure.TIM_Prescaler = 3599;
    TIM_TimeBaseStructure.TIM_ClockDivision = 0x00;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseStructure.TIM_RepetitionCounter = 0x00;
    TIM_TimeBaseInit(TIM2,&TIM_TimeBaseStructure);


       
    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
       
    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
    TIM_OCInitStructure.TIM_Pulse = 220;
   TIM_OC1Init(TIM2, &TIM_OCInitStructure);
       
       
    TIM_OC1Init(TIM2, &TIM_OCInitStructure);   
       
       
        int main (void)
        {
               
                RCC_Init_CS();
                TIM_Init_CS();  
                TIM_Cmd(TIM2,ENABLE);
               
        }

NPWM.rar (21.08 KB, 下载次数: 56)


作者: Mxd19991114    时间: 2021-6-3 11:38
好资料，51黑有你更精彩!!!
作者: bynaruto    时间: 2021-6-14 22:46
thanks



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