资 源 简 介
#include "SPWM.h"
#include "led.h"
#include "usart.h"
u16 TimerPeriod = 7200;
u16 DutyFactor = 50;
void TIM_Int_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4 | RCC_APB1Periph_TIM3,ENABLE); //时钟使能
/* GPIOA配置:通道PA.6和PA.7作为输出引脚*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
&nbs
