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- NVIC_InitTypeDef NVIC_InitStructure;
- NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- EXTI_InitTypeDef EXTI_InitStructure;
- EXTI_InitStructure.EXTI_Line = GPIO_Pin_0;
- 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(GPIOA, EXTI_PinSource0);
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