TIM3/4的NVIC一起配置，会出错

只看该作者 · 2011-8-16 10:10

 

 //NVIC配置

 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); 

 NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;// | TIM4_IRQn;一起配置会出错!!!

 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;

 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;

 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

 NVIC_Init(&NVIC_InitStructure);

 NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;

 NVIC_Init(&NVIC_InitStructure);

如上， NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn | TIM4_IRQn这样一起配置TIM3/4的NVIC，会出错，结果是配置不成功。本来想偷点懒，看来不能这样配置。请教为何？