跪求高手解释STM32中断问题啊

只看该作者 · 2012-9-11 15:37

void EXTI_Config(void)
{
      EXTI_InitTypeDef EXTI_InitStructure;
      GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource11);

EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;       //ÏÂ½µÑØ´¥·¢
EXTI_InitStructure.EXTI_Line = EXTI_Line11;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;

      GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource6);//´¥ÆÁÖÐ¶Ï
      EXTI_InitStructure.EXTI_Line = EXTI_Line6;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;

EXTI_Init(&EXTI_InitStructure);
}
void NVIC_Configuration(void)
{
      NVIC_InitTypeDef NVIC_InitStructure;//ÖÐ¶ÏÄ¬ÈÏ²ÎÊý

      NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);

      /* Enable the EXTI9_5 Interrupt */ //´¥ÆÁÖÐ¶Ï       £¬×îºó
      NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn  ;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

      NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn  ;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

      NVIC_Init(&NVIC_InitStructure);
}

两个外部中断，分别使用时都可以用的，但是一起使用时，两个中断都进不来，就高手指点啊！谢谢啊啊啊啊！！

只看该作者 · 2012-9-11 18:05

一个回答都没有啊，大家有没有遇到过这种问题啊

跪求高手解释STM32中断问题啊

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