STM32不同频率多路PWM_仿真OK

ID:473159 · 发表于 2019-7-12 18:22

#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: 52)

ID:768534 · 发表于 2021-6-3 11:38

好资料，51黑有你更精彩!!!

ID:937433 · 发表于 2021-6-14 22:46

thanks

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