SHIZHONG.rar_4位数码管_合泰_合泰 c_合泰 电子时钟_合泰单片机

#include "HT46R064.h" #define uchar unsigned char #define uint unsigned int #define wei4 _pb0 #define wei3 _pb1 #define wei2 _pb2 #define wei1 _pb3 #define k2 _pa7 #define k1 _pb4 uint i,aa; const unsigned char table[]={0xf7,0x14,0x5b,0x5e,0x3c, 0x6e,0x6f,0x54,0xff,0xfe}; char shi,fen,miao; uchar a,b,c,d,ks; #pragma vector timer0 @ 0x08 void initsys() { _pac=0x80; //_papu=0x7f; _pbc=0x10; _pb=0x10; _pa=0x80; ks=0; i=0; aa=0; _ctrl1=0b00000101; _tmr0c=0b10000011; _tmr0=131; _emi=1; _t0e=1; _t0on=1; _wdts=0x07; _mp0=0x40; //init RAM for(_acc=64;_acc;_acc--) { _iar0=0; _mp0++; } } void delayms(unsigned int ms) { unsigned int i; for(i=0;i<ms;i++) { _delay(984); } } void display(uchar led1,uchar led2,uchar led3,uchar led4) { wei1=1; _pa=table[led1]; delayms(5); wei1=0; wei2=1; _pa=table[led2]; //_pb5=1; delayms(5); //_pb5=0; wei2=0; wei3=1; _pa=table[led3]; delayms(5); wei3=0; wei4=1; _pa=table[led4]; delayms(5); wei4=0; } void keyscan() { _clrwdt(); if(k1==0) { _delay(500); if(k1==0) { while(!k1); ks++; } } if(ks!=0) { if(ks==1) { if(k2==0) { _delay(500); if(k2==0) { miao=0; _t0on=0; shi++; while(!k2); if(shi==24) { shi=0; } } } } if(ks==2) { if(k2==0) { _delay(500); if(k2==0) { fen++; while(!k2); if(fen==60) { fen=0; } } } } if(ks==3) { _t0on=1; ks=0; } } } void timer0 () { // _t0f=0; _clrwdt(); i++; aa++; _tmr0=131; if(aa==2000) { aa=0; _pb5=~_pb5; } if(i==4000) { miao++; i=0; if(miao==60) { fen++; miao=0; if(fen==60) { shi++; fen=0; if(shi==24) { shi=0; } } } } } void main() { initsys(); shi=0; fen=0; miao=0; a=0;b=0;c=0;d=0; while(1) { _clrwdt(); a=shi/10; b=shi%10; c=fen/10; d=fen%10; display(a,b,c,d); keyscan(); } }