CLD.rar_cld

//lcd显示数字时钟 #include<reg52.h> #define uint unsigned int #define uchar unsigned char sbit rs=P3^0; sbit rw=P3^1; sbit lcden=P3^2; sbit key1=P1^0; sbit key2=P1^1; sbit key3=P1^2; sbit key4=P1^3; sbit beep=P2^1; int year; uchar num,num1,t,tt,shi,fen,miao,key1_num,flag,flag1,date,month,week,week_num2; /*************************** key1_num指按键key1按的次数 flag 指按键key1是否按下 flag1 指闹钟关否 t 定时器0计数 tt 定时器1计数 num1 调星期按键2按的次数 ****************************/ uchar code table1[]=" - - "; uchar code table2[]=" : : "; uchar code table3[]="Mon,Tue,Wed,Thu,Fri,Sat,Sun"; //延时函数 void delay(uint z) { uint x,y; for(x=z;x>0;x--) for(y=114;y>0;y--); } //lcd写命令函数 void write_com(uchar com) { rs=0; rw=0; lcden=0; delay(5); P0=com; delay(5); lcden=1; delay(5); lcden=0; } //lcd写数据函数 void write_data(uchar date) { rs=1; rw=0; lcden=0; delay(5); P0=date; delay(5); lcden=1; delay(5); lcden=0; } //初始化函数 void init() { write_com(0x38); delay(5); write_com(0x0c); delay(5); write_com(0x06); write_com(0x01); write_com(0x80); TMOD=0x01; EA=1; TH0=(65536-46080)/256; TL0=(65536-46080)%256; ET0=1; TR0=1; TH1=(65536-46080)/256; TL1=(65536-46080)%256; ET1=1; TR1=1; } //lcd显示函数 void display() { for(num=0;num<16;num++) { write_data(table1[num]); } write_com(0x80+0x40); for(num=0;num<12;num++) { write_data(table2[num]); } } //十、分、秒设置函数 void write_sfm(uchar add,uchar dat) { uchar shi_w,ge_w; shi_w=dat/10; ge_w=dat%10; write_com(0x80+0x40+add); write_data(0x30+shi_w); write_data(0x30+ge_w); } //年、月、日设置函数 void write_nyr(uchar add1,uchar dat1) { uchar qian_w,bai_w,shi_w1,ge_w1; uchar year_a,year_b,year_a_shiw,year_a_gew,year_b_shiw,year_b_gew; qian_w=dat1/1000; bai_w=dat1/100%10; if(qian_w==0&&bai_w==0) { shi_w1=dat1/10%10; ge_w1=dat1%10; write_com(0x80+add1); write_data(0x30+shi_w1); write_data(0x30+ge_w1); } else { year_a=year/100; year_b=year%100; year_a_shiw=year_a/10; year_a_gew=year_a%10; year_b_shiw=year_b/10; year_b_gew=year_b%10; write_com(0x80+add1); write_data(0x30+year_a_shiw); write_data(0x30+year_a_gew); write_data(0x30+year_b_shiw); write_data(0x30+year_b_gew); } } //星期设置函数 void write_week(uchar week_num) { uchar week_num1; week_num1=week_num; switch(week_num1) { case 1: write_com(0x80+12); write_data(table3[0]); write_data(table3[1]); write_data(table3[2]); write_com(0x80+12); break; case 2: write_com(0x80+12); write_data(table3[4]); write_data(table3[5]); write_data(table3[6]); write_com(0x80+12); break; case 3: write_com(0x80+12); write_data(table3[8]); write_data(table3[9]); write_data(table3[10]); write_com(0x80+12); break; case 4: write_com(0x80+12); write_data(table3[12]); write_data(table3[13]); write_data(table3[14]); write_com(0x80+12); break; case 5: write_com(0x80+12); write_data(table3[16]); write_data(table3[17]); write_data(table3[18]); write_com(0x80+12); break; case 6: write_com(0x80+12); write_data(table3[20]); write_data(table3[21]); write_data(table3[22]); write_com(0x80+12); break; case 7: write_com(0x80+12); write_data(table3[24]); write_data(table3[25]); write_data(table3[26]); write_com(0x80+12); break; } } //键盘控制函数 void key_scan() { if(flag1==1) { //闹钟暂停函数 if(key4==0) { delay(5); if(key4==0) { while(!key4); beep=1; flag1=0; } } } //时间暂停 if(key1==0) { delay(10); if(key1==0) { delay(10); } while(!key1); if(key1==1) { flag=1; key1_num++; TR1=0; //关闹钟定时器 if(key1_num==8) { TR0=1; //关时间定时器 key1_num=0; write_com(0x0c); } if(key1_num==1) { TR0=0; write_com(0x80+0x40+11); write_com(0x0d); } if(key1_num==2) { TR0=0; write_com(0x80+0x40+8); write_com(0x0d); } if(key1_num==3) { TR0=0; write_com(0x80+0x40+5); write_com(0x0d); } if(key1_num==4) { TR0=0; write_com(0x80+12); write_com(0x0d); } if(key1_num==5) { TR0=0; write_com(0x80+10); write_com(0x0d); } if(key1_num==6) { TR0=0; write_com(0x80+7); write_com(0x0d); } if(key1_num==7) { TR0=0; write_com(0x80+4); write_com(0x0d); } } } if(flag==1) { if(key2==0) { delay(10); if(key2==0) { delay(10); } while(!key2); if(key2==1) { //时、分、秒变化程序 if(key1_num==1) { miao++; if(miao==60) { miao=0; } write_sfm(10,miao); write_com(0x80+0x40+11); } if(key1_num==2) { fen++; if(fen==60) { fen=0; } write_sfm(7,fen); write_com(0x80+0x40+8); } if(key1_num==3) { shi++; if(shi==24) { shi=0; } write_sfm(4,shi); write_com(0x80+0x40+5); } //星期几递增变化程序 if(key1_num==4) { num1++; if(num1==8) { num1=0; } write_week(num1); } //日递增变化程序 if(key1_num==5) { date++; if(date==32) { date=01; } write_nyr(9,date); write_com(0x80+10); } //月递增变化程序 if(key1_num==6) { month++; if(month==13) { month=01; } write_nyr(6,month); write_com(0x80+7); } //年递增变化程序 if(key1_num==7) { year++; write_nyr(1,year); write_com(0x80+4); } } } if(key3==0) { delay(10); if(key3==0) { delay(10); } while(!key3); if(key3==1) { //调整时分秒递减 if(key1_num==1) { if(miao==0) { miao=60; } miao--; write_sfm(10,miao); write_com(0x80+0x40+11); } if(key1_num==2) { if(fen==0) { fen=60; } fen--; write_sfm(7,fen); write_com(0x80+0x40+8); } if(key1_num==3) { if(shi==0) { shi=24; } shi--; write_sfm(4,shi); write_com(0x80+0x40+5); } //星期几递减变化程序 if(key1_num==4) { num1--; if(num1==0) { num1=7; } write_week(num1); } //日递减变化程序 if(key1_num==5) { date--; if(date==0) { date=31; } write_nyr(9,date); write_com(0x80+10); } //月递减变化程序 if(key1_num==6) { month--; if(month==0) { month=12; } write_nyr(6,month); write_com(0x80+7); } //年递减变化程序 if(key1_num==7) { year--; write_nyr(1,year); write_com(0x80+4); } } } } } //十分秒变化函数 void adjust_time() { //时间初始化程序 year=2009; write_nyr(1,year); month=12; write_nyr(6,month); date=31; write_nyr(9,date); week_num2=1; write_week(week_num2); shi=23; write_sfm(4,shi); fen=59; write_sfm(7,fen); miao=52; write_sfm(10,miao); while(1) { if(t==20) { t=0; miao++; if(miao==60) { miao=0; fen++; if(fen==60) { fen=0; shi++; if(shi==24) { shi=0; } write_sfm