四位len灯流水

#include <msp430x14x.h>

//#include<intrins.h>

#define uint unsigned int

void delay(long c);

void main( void )

{

  uint i=;

  // Stop watchdog timer to prevent time out reset

  WDTCTL = WDTPW + WDTHOLD;

  P2DIR=0x0f;

  P2OUT=0x0e;

  while()

  {

    for(i=;i<;i++)

    {

      delay();

      P2OUT<<=;

      P2OUT|=0x01;

      if(P2OUT==0xef)

      {

        P2OUT=0x0b;

      }

    }

    //P2OUT=0x0d;

    for(i=;i<;i++)

    {

      delay();

      P2OUT>>=;

      P2OUT|=0x08;

    }

    P2OUT=0x0e;

  }

}

void delay(long c)

{

  while(c--);

}

感觉自己对16进制掌握的不太熟悉，调了好一会才出效果