//配置单个RXD,作为外部事件唤醒
// GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource10);
// EXTI_InitStructure.EXTI_Line=EXTI_Line10;
// EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
// EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;//| EXTI_Trigger_Falling;EXTI_Trigger_Rising
// EXTI_InitStructure.EXTI_LineCmd = ENABLE;
// EXTI_Init(&EXTI_InitStructure);
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