程序已经改的和原版一样，进不去TIM3中断，通用定时器

WM_CH · 发表于 2015-9-19 21:30:27

[mw_shl_code=c,true]#include "sys.h"[/mw_shl_code] [mw_shl_code=c,true]#include "delay.h" #include "led.h" #include "timer.h" int main(void){ delay_init(); NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); LED_Init(); TIM3_Initt(4999,7199); while(1){ LED1 = !LED1; delay_ms(200); } } [/mw_shl_code]

time.c 及time.h

[mw_shl_code=c,true]#ifndef __TIMER_H #define __TIMER_H #include "sys.h" void TIM3_Initt(u16 arr,u16 psc); #endif [/mw_shl_code]

[mw_shl_code=c,true]#include "timer.h" #include "led.h" void TIM3_Initt(u16 arr,u16 psc){ TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStruct; NVIC_InitTypeDef NVIC_InitStruct; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE); TIM_TimeBaseInitStruct.TIM_Period = arr; TIM_TimeBaseInitStruct.TIM_Prescaler = psc; TIM_TimeBaseInitStruct.TIM_ClockDivision = TIM_CKD_DIV1; //不用，设置为缺省 TIM_TimeBaseInitStruct.TIM_CounterMode = TIM_CounterMode_Up; //向上计数模式 // TIM_TimeBaseStructure.TIM_RepetitionCounter=？这个参数是高级定时器需要的，不配置也可以 TIM_TimeBaseInit(TIM3,&TIM_TimeBaseInitStruct); TIM_ITConfig(TIM13,TIM_IT_Update,ENABLE); //开启更新中断 NVIC_InitStruct.NVIC_IRQChannel = TIM3_IRQn; NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStruct.NVIC_IRQChannelSubPriority = 3; NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStruct); TIM_Cmd(TIM3,ENABLE); } void TIM3_IRQHandler(void){ if(TIM_GetITStatus(TIM3,TIM_IT_Update) != RESET){ TIM_ClearITPendingBit(TIM3,TIM_IT_Update); LED0 = !LED0; } } [/mw_shl_code]

另外工程已上传，希望大大们帮帮忙。。。