正想学习一下，谢谢分享，研究研究！

乱码了打不开呢

Zx1291 发表于 2016-2-2 12:37
噢，我想起来了，在学校实验室电脑上传的，我们实验室的电脑都加密了，没事，你哪里不太明白的可以问我， ...

[mw_shl_code=c,true]void TIM3_Int_Init(u16 arr,u16 psc)
{
        TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
        NVIC_InitTypeDef NVIC_InitStructure;
        TIM_OCInitTypeDef TIM_OCInitStructure;
       
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE);  ///ê1ÄüTIM3ê±Öó
       
  TIM_TimeBaseInitStructure.TIM_Period = arr;         //100ms
        TIM_TimeBaseInitStructure.TIM_Prescaler= psc;  //¶¨ê±Æ÷·ÖÆμ
        //¶¨ê±Æ÷ê±Öó84M￡¬·ÖÆμÏμêy8400￡¬ËùòÔ84M/8400=10KhzμļÆêyÆμÂê￡¬¼Æêy5000′ÎÎa500ms   
        TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //ÏòéϼÆêyÄ￡ê½
        TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1;
       
        TIM_TimeBaseInit(TIM3,&TIM_TimeBaseInitStructure);//3õê¼»ˉTIM3
       
        TIM_SelectOutputTrigger(TIM3,TIM_TRGOSource_Update);
       
        TIM_OCInitStructure.TIM_OCMode =TIM_OCMode_PWM1;
        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//TIM_OutputState_Disable;
        TIM_OCInitStructure.TIM_Pulse = 5000;
        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;//???PWM1??Low,PWM2??High
        TIM_OC2Init(TIM2, & TIM_OCInitStructure);
       
        TIM_InternalClockConfig(TIM3);
        TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable);
        TIM_UpdateDisableConfig(TIM3, DISABLE);
       
        TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE); //ÔêDí¶¨ê±Æ÷3¸üDÂÖD¶Ï
       
       
        NVIC_InitStructure.NVIC_IRQChannel=TIM3_IRQn; //¶¨ê±Æ÷3ÖD¶Ï
        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0x01; //ÇàÕ¼óÅÏ輶1
        NVIC_InitStructure.NVIC_IRQChannelSubPriority=0x03; //×óóÅÏ輶3
        NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
        NVIC_Init(&NVIC_InitStructure);
        TIM_Cmd(TIM3,ENABLE); //ê1Äü¶¨ê±Æ÷3
       
}

//¶¨ê±Æ÷3ÖD¶Ï·tÎñoˉêy
void TIM3_IRQHandler(void)
{
        if(TIM_GetITStatus(TIM3,TIM_IT_Update)==SET) //òç3öÖD¶Ï
        {
                LED1=!LED1;//DS1·-×a
        }
        TIM_ClearITPendingBit(TIM3,TIM_IT_Update);  //Çå3yÖD¶Ï±ê־λ
}[/mw_shl_code]


这样配置TIM怎么不对呢

谢谢分享