基于C51实现的定时器控制数码管动管显示.zip

#include <reg52.h> #include <intrins.h> #define uchar unsigned char #define uint unsigned int uchar code DSY_CODE[]= { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf }; uchar code Table_OF_Digits[][8]= { {0,9,10,1,2,10,2,5}, {2,1,10,5,7,10,3,9}, }; uchar i = 0,j=0; uint t = 0; void main() { P3 = 0x80; TMOD = 0x00; TH0 = (8191-4000)/32; TL0 = (8191-4000)%32; IE = 0x82; TR0 = 1; while(1); } void DSY_Show() interrupt 1 { TH0 = (8191-4000)/32; TL0 = (8191-4000)%32; P3 = _crol_(P3,1); P0 = DSY_CODE[Table_OF_Digits[i][j]]; j = (j+1)%8; if(++t!=350) return; t = 0; i = (i+1)%2; }