isr.c

msp430液晶显示

#include "chip.h"
extern unsigned char I2CINT;
#pragma vector=PORT1_VECTOR
__interrupt void Port1INT(void) 
{
  if(P1IFG & BIT4)
  {
   I2CINT++;
   P1IFG &=~BIT4;
  } 
}