本帖最后由 流芷静兰 于 2018-12-26 16:39 编辑

stm32f070串口1唤醒stop模式，总是唤醒不了，到底哪里的问题
[mw_shl_code=c,true]//PA10 RX设为外部中断
void EXTI_Configuration(void)
{
        NVIC_InitTypeDef NVIC_InitStructure;
        EXTI_InitTypeDef EXTI_InitStructure;
        
        RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA,ENABLE); //使能GPIOA
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
        
        EXTI_InitStructure.EXTI_Line = EXTI_Line10;        
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);
        
        SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA , GPIO_PinSource10);//PA10连接到外部中断
        
        NVIC_InitStructure.NVIC_IRQChannel = EXTI4_15_IRQn;
        NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
        NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
        NVIC_Init(&NVIC_InitStructure);
}

void EXTI10_IRQHandler(void)
{
        EXTI_ClearITPendingBit(EXTI_Line10);
        NVIC_SystemReset();//Ïμí3¸′λ
}


void SystemStop_Enter(void)
{
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);                //使能PWR外部时钟
        
        Close_Gpio();
        USART_Cmd(USART1 , DISABLE);
        DMA_Cmd(DMA1_Channel3, DISABLE);
        EXTI_Configuration();
        PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);                //进入停机模式
}[/mw_shl_code]