[参考译文] TM4C129ENCPDT：未触发中断。

https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1223568/tm4c129encpdt-interrupt-is-not-getting-fired

您好！

有人能指出我在代码中错误的位置吗？  

我有两个针对中断进行配置的引脚。 端口 M 上的引脚会触发相应的内部处理程序、但是端口 N 上的引脚不会触发其内部处理程序。

以下是被触发的 PM3引脚的代码。

#define ADC_CTRL_PORT          GPIO_PORTM_BASE

void PM3_interrupt_enable(void)
{
    //Enable Interrupt on ADC_BUSY Pin
    IntMasterDisable();
    GPIOPinTypeGPIOInput(ADC_CTRL_PORT, ADC_BUSY);
    GPIOPadConfigSet(ADC_CTRL_PORT, ADC_BUSY, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD_WPU); 
    GPIOIntDisable(ADC_CTRL_PORT, ADC_BUSY);    
    GPIOIntClear(ADC_CTRL_PORT, ADC_BUSY);      
    GPIOIntRegister(ADC_CTRL_PORT, PORTM_Common_IntHandler);
    GPIOIntTypeSet(ADC_CTRL_PORT, ADC_BUSY, GPIO_FALLING_EDGE);         
    GPIOIntEnable(ADC_CTRL_PORT, ADC_BUSY); 
    IntMasterEnable();

}

void PORTM_Common_IntHandler(void)
{
    // Clear the interrupt
    uint32_t status;
    SysCtlDelay(10);
    status = GPIOIntStatus(ADC_CTRL_PORT, true);
    if(status & ADC_BUSY)
    {
        //Do Something
    }

    GPIOIntClear(ADC_CTRL_PORT, status);

}

以下是未点亮的 PN0引脚的代码。

#define DCHRG_CMD_PORT          GPIO_PORTN_BASE

void Enable_DischargePulse_Interrupt(void)
{
    //Enable Discharge Pulse input pin interrupt on ADC_BUSY Pin
    IntMasterDisable();
    GPIOPinTypeGPIOInput(DCHRG_CMD_PORT, DCHRG_CMD_PIN);
    SysCtlDelay(40);
    GPIOPadConfigSet(DCHRG_CMD_PORT, DCHRG_CMD_PIN, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD_WPD);  
    GPIOIntDisable(DCHRG_CMD_PORT, DCHRG_CMD_PIN);        
    GPIOIntClear(DCHRG_CMD_PORT, DCHRG_CMD_PIN);      
    GPIOIntRegister(DCHRG_CMD_PORT, PORTN_Common_IntHandler);
    GPIOIntTypeSet(DCHRG_CMD_PORT, DCHRG_CMD_PIN, GPIO_RISING_EDGE);            
    GPIOIntEnable(DCHRG_CMD_PORT, DCHRG_CMD_PIN);     
    IntMasterEnable();

}


void PORTN_Common_IntHandler(void)
{
    //Clear the interrupt
    uint32_t status;
    SysCtlDelay(10);
    status = GPIOIntStatus(DCHRG_CMD_PORT, true);
    if(status & DCHRG_CMD_PIN)
    {
    //Do Something

    }

    GPIOIntClear(DCHRG_CMD_PORT, status);


}

感谢您的时间和帮助。