clock-6bit.rar_抢答器_抢答器分数

#include "reg52.h" #define THCO 0xee #define TLCO 0x00 unsigned char code Duan[]={ 0x3F,0x06,0x5B,0x4F, 0x66,0x6D,0x7D,0x07, 0x7F,0x6F}; unsigned char Data_Buffer[6]={0,0,0,0,0,0}; unsigned char sec=0,min=58,hour=10; bit Point_Flash=0; unsigned char mode_count=1; sbit DU=P2^6; sbit WE=P2^7; sbit mode=P3^4; sbit add=P3^5; sbit del=P3^6; void delay(unsigned int i) { unsigned char x,y; for(x=0;x<i;x++) for(y=0;y<124;y++); } void scankey() { if(!mode) { delay(10); while(!mode); if(mode) { delay(10); mode_count++; if(mode_count>=4) mode_count=1; } } } void dealwith() { if(mode_count==1) { Data_Buffer[5]=hour/10; Data_Buffer[4]=hour%10; Data_Buffer[3]=min/10; Data_Buffer[2]=min%10; Data_Buffer[1]=sec/10; Data_Buffer[0]=sec%10; } if(mode_count==2) { if(!add) { delay(10); while(!add); if(add) { delay(10); min++; if(min>=60)min=0; } } if(!del) { delay(10); while(!del); if(del) { delay(10); min--; if(min==0)min=59; } } Data_Buffer[5]=mode_count%10; Data_Buffer[4]=0; Data_Buffer[3]=0; Data_Buffer[2]=0; Data_Buffer[1]=min/10; Data_Buffer[0]=min%10; } if(mode_count==3) { if(!add) { delay(10); while(!add); if(add) { delay(10); hour++;; if(hour>=24)hour=0; } } if(!del) { delay(10); while(!del); if(add) { delay(10); hour--; if(hour==0)hour=23; } } Data_Buffer[5]=mode_count%10; Data_Buffer[4]=0; Data_Buffer[3]=0; Data_Buffer[2]=0; Data_Buffer[1]=hour/10; Data_Buffer[0]=hour%10; } } void main() { TMOD=0x11; TH0=THCO; TL0=TLCO; TR0=1; ET0=1; EA=1; while(1) { scankey(); dealwith(); } } void timer0() interrupt 1 { static unsigned char Bit=0; static unsigned char count=0; TH0=THCO; TL0=TLCO; count++; if(count>=200) { count=0; sec++; if(sec>=60) { sec=0; min++; if(min>=60) { min=0; hour++; if(hour>=24)hour=0; } } Point_Flash=1; } if(count==100) Point_Flash=0; Bit++; if(Bit>=6) Bit=0; P0=Duan[Data_Buffer[Bit]]; if(Point_Flash&&Bit==2)P0|=0x80; DU=1; DU=0; switch(Bit) { case 0: P0=0x7f;break; case 1: P0=0xbf;break; case 2: P0=0xdf;break; case 3: P0=0xef;break; case 4: P0=0xf7;break; case 5: P0=0xfb;break; } WE=1; WE=0; }