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| static void NVIC_Configuration(void) {
 NVIC_InitTypeDef NVIC_InitStructure;
 
 //config one bit for preemption priority
 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
 
 //Config the interup source
 NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn |EXTI15_10_IRQn;
 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
 NVIC_Init(&NVIC_InitStructure);
 }
 
 大牛指导一下?
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