| 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; | |
| } | |