想问下我这stm8s的关于外部中断的程序哪里不对？外部中断部分没运行

ID:385004 · 发表于 2018-8-31 20:26

#include "iostm8s103f3.h"
#include "intrinsics.h"
typedef unsigned char uchar;
typedef unsigned int  uint;
#define K1  PD_IDR_IDR6
#define LED PA_ODR_ODR2
void delay(uint i)
{
  while(i--);
}
void LED_Init()
{
  PA_DDR_DDR2 = 1;
  PA_CR1_C12  = 1;
  LED = 0;
}
void KEY_Init()
{
  PD_DDR_DDR6 = 0;
  PD_CR1_C16  = 1;
  PD_CR2_C26  = 1;
}
void EXTI_Init()
{
  EXTI_CR1_PDIS = 2;
  __enable_interrupt();
}
int main( void )
{
  LED_Init();
  KEY_Init();
  while(1)
  {
EXTI_Init();
  }
}
__interrupt void EXTI_PORTD_IRQHandler(void)
{
  if(K1 == 0)
  {
delay(1000);
if(K1 == 0)
{
   LED = ~LED;
}
while(!K1);
  }
}

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