一个时钟 - wd.zip

#include<reg52.h> #include<stdlib.h> #include<stdio.h> #include<intrins.h> #define uint unsigned int #define uchar unsigned char uint num,A_num,x,y=0; uint h,m,s,year=2020,month=7,day=4,lcd_x=0,lcd_y=0; uchar code Zifu[]="0123456789"; sbit LCD_EN = P3^4; sbit LCD_RS = P3^5; sbit key_A = P1^0; sbit key_B = P1^1; sbit key_C = P1^2; sbit key_D = P1^3; void delay_1ms(uchar x){ uchar i,j; for(j=0;j<x;j++) for(i=0;i<110;i++); } void write_command(uchar command){ LCD_RS = 0; LCD_EN = 0; P0 = command; delay_1ms(2); LCD_EN = 1; //EN ?1 -- 0 ?? ???? ? ?? delay_1ms(2); LCD_EN = 0; } void write_data(uchar fuck){ LCD_RS = 1; LCD_EN = 0; P0 = fuck; delay_1ms(2); LCD_EN = 1; delay_1ms(2); LCD_EN = 0; } void lcd_post(int X,int Y){ //0,1?? ??? ? ??? write_command(0x80+X*(0x40)+Y); } void init(){ h=m=s=0; num=A_num=0; LCD_EN=0; write_command(0x38); write_command(0x0c); //write_command(0x06); //?????????? write_command(0x01); TMOD = 0x02; TH0 = 6; TL0 = 6; EA = 1; ET0 = 1; TR0 = 1; /*???*/ lcd_post(0,0); write_data(Zifu[h/10]); lcd_post(0,1); write_data(Zifu[h%10]); lcd_post(0,2); write_data(':'); lcd_post(0,3); write_data(Zifu[m/10]); lcd_post(0,4); write_data(Zifu[m%10]); lcd_post(0,5); write_data(':'); lcd_post(0,6); write_data(Zifu[s/10]); lcd_post(0,7); write_data(Zifu[s%10]); /*???*/ lcd_post(1,6); write_data(Zifu[year/1000]); lcd_post(1,7); write_data(Zifu[(year%1000)/100]); lcd_post(1,8); write_data(Zifu[(year%100)/10]); lcd_post(1,9); write_data(Zifu[year%10]); lcd_post(1,10); write_data('-'); lcd_post(1,11); write_data(Zifu[month/10]); lcd_post(1,12); write_data(Zifu[month%10]); lcd_post(1,13); write_data('-'); lcd_post(1,14); write_data(Zifu[day/10]); lcd_post(1,15); write_data(Zifu[day%10]); } void keyscan(){ if(key_A==0){ delay_1ms(3); if(key_A==0){ m=(++m)%60; lcd_post(0,3); write_data(Zifu[m/10]); lcd_post(0,4); write_data(Zifu[m%10]); while(!key_A); } } if(key_B==0){ delay_1ms(3); if(key_B==0){ h=(++h)%24; lcd_post(0,0); write_data(Zifu[h/10]); lcd_post(0,1); write_data(Zifu[h%10]); while(!key_B); } } } void main() { init(); y = 0; while(1){ if(key_D==0){ delay_1ms(3); if(key_D==0){ y = 1; } while(!key_D); } if(key_C==0){ delay_1ms(3); if(key_C==0){ y = 0; } while(!key_C); } if(num==3686){ num=0; s++; if(s==60){ s=0; m++; if(m==60){ m=0; h++; if(h==24)h=0; lcd_post(0,0); write_data(Zifu[h/10]); lcd_post(0,1); write_data(Zifu[h%10]); } lcd_post(0,3); write_data(Zifu[m/10]); lcd_post(0,4); write_data(Zifu[m%10]); } lcd_post(0,6); write_data(Zifu[s/10]); lcd_post(0,7); write_data(Zifu[s%10]); } if(y == 1) { keyscan(); } } } void T0_time() interrupt 1 { num++; } // if(key_A==0){ //?????? // delay_1ms(3); // if(key_A==0){ // } // while(!key_A); // }