#include <msp430f5529.h>
int main( void )
{
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;
P1DIR |= 0x80;//设置P1.7口为输出
P1IE |= 0x80;//使能P1.7中断
P1IES |= 0x80;//P1.7口下降沿触发中断
P1IFG &= ~0x80;//中断标志位清零
P1DIR |= BIT0; // P1.0 set as output
P8DIR |= 0xfe;
_EINT();//开总中断
//_BIS_SR(LPM4_bits + GIE);
while(1)
{
}
}
/*中断服务程序*/
#pragma vector = PORT1_VECTOR
__interrupt void PORT_1(void)
{
P1OUT ^= 0x80;//P1.7状态翻转
P1IFG &= ~0x08;//中断标志位清零
.......
}
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