//-------------------------------------------------------------------------------
//端口1中断函数
//多中断中断源：P1IFG.0~P1IFG7
//进入中断后应首先判断中断源，退出中断前应清除中断标志，否则将再次引发中断
//-------------------------------------------------------------------------------
#pragma vector=PORT1_VECTOR
__interrupt void Port1()
{
uint8 IFG_temp = P1IFG;
uint8 bit_num;
for(uint8 i=0;i<8;i++)
{
if((IFG_temp & 0x01)==0x01)
{
if(i==0) bit_num = 0x01;
else
{
bit_num = 2<<(i-1);
}
if(P1IES & bit_num) //进保护中断
{
//处理Pi口上升沿中断
}
else
{
//处理Pi口下降沿中断
}
P1IFG &= ~bit_num;
}
IFG_temp >>=1;
}
LPM3_EXIT; //退出中断后退出低功耗模式。若退出中断后要保留低功耗模式，将本句屏蔽
} | 
