例程: /* Configure one bit for preemption priority */ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); /* Enable the WAKEUP_BUTTON_EXTI_IRQn Interrupt */ NVIC_InitStructure.NVIC_IRQChannel = WAKEUP_BUTTON_EXTI_IRQn; NVIC_InitStructure.NVIC_IRQCha
非本人原创,转载自http://blog.csdn.net/denghuanhuandeng/article/details/8350392 STM32的NVIC理解 例程: /* Configure one bit for preemption priority */ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); /* Enable the WAKEUP_BUTTON_EXTI_IRQn Interrupt */ NVIC_Ini