1 //#include "io430.h" 2 #include "MSP430G2553.h" 3  4 int main( void ) 5 { 6   volatile unsigned int i; 7    8   WDTCTL = WDTPW + WDTHOLD;     // 关闭看门狗 9   10   11   P1DIR = 0XFF;                 // 设置P1全部为输出12   P1OUT = 0;                   // 全部输出为013   /*14   P2DIR = 0XFF;                // 设置P2为输出15   P2OUT = 0;16   */17   18   while(1)19   {20     P1OUT |= BIT0 + BIT6;              // 置1，点亮发光管21     __delay_cycles(100000);22     P1OUT &= ~BIT0;             // 置0，关闭发光管23     __delay_cycles(400000);24   }25   26   27   return 0;28 }