STM32F0庫函數初始化系列：進入STOP模式，外部中斷喚醒

SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
  
          EXTI_InitStructure.EXTI_Line=EXTI_Line0;
          EXTI_InitStructure.EXTI_LineCmd=ENABLE;
          EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;
          EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling;
          EXTI_Init(&EXTI_InitStructure);
          
          
          NVIC_InitStructure.NVIC_IRQChannel = EXTI0_1_IRQn;
          NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
          NVIC_InitStructure.NVIC_IRQChannelPriority=0;
          NVIC_Init(&NVIC_InitStructure);
        

        PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);   //進入STOP模式

 　　　　//PWR_EnterSTANDBYMode();   進入待機模式

//進入待機模式，不需要配置中斷，不進入中斷
void EXTI0_1_IRQHandler()
{
  NVIC_SystemReset();
  EXTI_ClearITPendingBit(EXTI_Line0);
}