stm32 exti 5~9 中斷源區分

void EXTI9_5_IRQHandler(void) {   u32 Temp = 0x00;    PEout(2) = ~PEout(2);   Temp = EXTI->PR;       //取讀是那個引腳的中斷   switch(Temp)   {     case Exti_From_Pin8:       EXTI_ClearITPendingBit(EXTI_Line8);

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