NVIC_PriorityGroupConfig(NVIC_PriorityGroup_3);
/* Enable the TIM2 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable the TIM3 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_Init(&NVIC_InitStructure);
/* Enable the EXTI9_5 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_Init(&NVIC_InitStructure);
/* Enable the ADC1 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = ADC_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
NVIC_Init(&NVIC_InitStructure);
/* Enable the USART1 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 4; NVIC_Init(&NVIC_InitStructure);
刚开始对STM32学习使用，碰到一个问题：我在初始化时将以上各个中断都Enable了，为什么一直进入USART1中断，其他中断都进不了。而如果把USART1中断Disable了。其他中断都正常进入？ |
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