msp430的数码显示程序.c

MSP430系列单片机适用小程序

#include  "msp430x13x.h"

unsigned char keybuff=0;
unsigned char disbuffer[8]={0,1,3,8,0xf,5,8,7};
unsigned char seg[]={0x3f,0x06,0x5b,0x4f,
	0x66,0x6d,0x7d,0x07,
	0x7f,0x6f,0x77,0x7c,
	0x39,0x5e,0x79,0x71,
	0xbf,0x86,0xdb,0xcf,
	0xe6,0xed,0xfd,0x87,
	0xff,0xef,0xf7,0xfc,
	0xb9,0xde,0xf9,0xf1,

	0x80,0x40,0x00,0x73,0xc0};

void delay(int v)
    {
        while(v!=0)v--;
    }

void disp(void)
    {
    unsigned char i=0,j=0;
    unsigned char temp_wei=0x0,temp_duan=0;
    P3DIR  =  0x1f;
    for(i=0;i<8;i++)
      {
        P3OUT  &=  ~BIT3;  
        temp_duan=seg[disbuffer[i]] ;
        for(j=0;j<8;j++)
            {
             if(temp_duan&0x80)   
                P3OUT  |=   BIT0;
             else
                P3OUT  &=  ~BIT0;
             temp_duan=temp_duan<<1;
             P3OUT  &=   ~BIT4;   P3OUT  |=  BIT4;       
            }
         P3OUT  |=   BIT3;      
         P3OUT  =  (P3IN&0xf8) | temp_wei;
         temp_wei++;
         delay(100);
      }
    }

void main(void)
{
  P3DIR  =  0x1f;
  while(1)
  {
  disbuffer[0]=00;
    disbuffer[1]=2;
      disbuffer[2]=3;
        disbuffer[3]=4;
          disbuffer[4]=5;
            disbuffer[5]=9;
              disbuffer[6]=0xf;
   disp();
  }
}