14002672/user/bsp_seg.c

#include "bsp_seg.h"


void Seg_Tran(unsigned char *seg_string,unsigned char *seg_buf)
{
	unsigned char i;
	unsigned char j;
	unsigned char temp;
	
	for(i=0,j=0;i<8;i++,j++)
	{
		switch(seg_string[j])
		{
			case '0':temp=0xc0;break;
			case '1':temp=0xf9;break;			
			case '2':temp=0xa4;break;
			case '3':temp=0xb0;break;						
			case '4':temp=0x99;break;
			case '5':temp=0x92;break;						
			case '6':temp=0x82;break;
			case '7':temp=0xf8;break;					
			case '8':temp=0x80;break;
			case '9':temp=0x90;break;	
			case 'A':temp=0x88;break;		
			case 'C':temp=0xc6;break;					
			case 'H':temp=0x89;break;				
			case 'F':temp=0x8e;break;	
			case 'P':temp=0x8C;break;	
			case 'E':temp=0x86;break;	
			
			case '-':temp=0xbf;break;
			default:temp=0xff;

		}			
		if(seg_string[j+1]=='.')
		{
			j++;
			temp&=0x7f;
			
		}

		seg_buf[i]=temp;
	}

}

void Seg_Disp(unsigned char pos,unsigned char *seg_buf)
{
	P0=0xff;
	P2=(P2&0x1f)|0xe0;
	P2&=0x1f;	
	
	
	P0=0x01<<pos;
	P2=(P2&0x1f)|0xc0;
	P2&=0x1f;	
	
	P0=seg_buf[pos];
	P2=(P2&0x1f)|0xe0;
	P2&=0x1f;	
	
	
	
	
}