shizhong.rar_51 定时 闹钟

#include<reg52.h> #include<intrins.h> #define uint unsigned int #define uchar unsigned char sbit lcdrs=P2^6; sbit lcden=P2^7; sbit beep=P2^0; sbit k5=P2^1; sbit k4=P2^2; sbit k3=P2^3; sbit k2=P2^4; sbit k1=P2^5; sbit dsirq=P3^3; sbit dscs=P3^4; sbit dsas=P3^5; sbit dsrw=P3^6; sbit dsds=P3^7; bit flag1,flag_alarm; unsigned char hours,minutes,seconds,flag,amiao,afen,ashi,day,date,month,year,temp,temp1; uchar code table1[]=" 20 - - "; uchar code table2[]=" : : "; void delay(uint z ) { uint i,j; for(i=z;i>0;i--) for(j=110;j>0;j--); } /*lcd1602*/ void write_com(uchar com)/*写指令*/ { lcdrs=0; lcden=0; P0=com; delay(5); lcden=1; delay(5); lcden=0; } void write_date(uchar date)/*写数据*/ { lcdrs=1; lcden=0; P0=date; delay(5); lcden=1; delay(5); lcden=0; } void write_hms(uchar add,uchar date)/*在lcd1062的相应地址显示data数据*/ { uchar shi,ge; /* ge=date&0x0F; shi=(date>>4)&0x0F;//BCD码格式*/ ge=date%10; shi=date/10; write_com(add); write_date(0x30+shi); write_date(0x30+ge); } /*ds12c887*/ void write_ds(uchar add,uchar date)/*写入数据*/ { dscs=0; dsas=1; dsds=1; dsrw=1; P0=add; dsas=0; dsrw=0; P0=date; dsrw=1; dsas=1; dscs=1; } uchar read_ds(uchar add)/*读走数据*/ { uint redate; dsas=1; dsds=1; dsrw=1; dscs=0; P0=add; dsas=0; dsds=0; P0=0xff; redate=P0; dsds=1; dsas=1; dscs=1; return redate; } void set_time() { write_ds(0,0); write_ds(1,0); write_ds(2,0); write_ds(3,0); write_ds(4,0); write_ds(5,0); write_ds(6,0); write_ds(7,0); write_ds(8,0); write_ds(9,0); } void read_alarm() { amiao=read_ds(1); afen=read_ds(3); ashi=read_ds(5); } void write_day(uchar week)//液晶星期显示函数 { write_com(0x80+0x0d); switch(week) { case 1: write_date('M'); delay(5); write_date('O'); delay(5); write_date('N'); break; case 2: write_date('T'); delay(5); write_date('U'); delay(5); write_date('E'); break; case 3: write_date('W'); delay(5); write_date('E'); delay(5); write_date('D'); break; case 4: write_date('T'); delay(5); write_date('H'); delay(5); write_date('U'); break; case 5: write_date('F'); delay(5); write_date('R'); delay(5); write_date('I'); break; case 6: write_date('S'); delay(5); write_date('A'); delay(5); write_date('T'); break; case 7: write_date('S'); delay(5); write_date('U'); delay(5); write_date('N'); break; } } void key()/*检测按键*/ { uchar num1; if(flag_alarm==1) { if((k1==0)||(k2==0)||(k3==0)||(k4==0)||(k5==0)) { delay(5); if((k1==0)||(k2==0)||(k3==0)||(k4==0)||(k5==0)) { while(!(k1&&k2&&k3&&k4&&k5)); beep=1; flag_alarm=0; P1=0x01; TR0=1; } } } if(k1==0&&flag_alarm==0)/*最左边按键*/ { delay(5); if(k1==0) { while(!k1); num1++; flag=0; P1=0x00; TR0=0; if(flag1==1&&num1>3) num1=1; if(num1==1) { write_com(0x80+0x40+0x0a); write_com(0x0f); } if(num1==2) { write_com(0x80+0x40+7); } if(num1==3) { write_com(0x80+0x40+4); } if(num1==4) { write_com(0x80+0x0d); } if(num1==5) { write_com(0x80+0x0a); } if(num1==6) { write_com(0x80+7); } if(num1==7) { write_com(0x80+4); } if(num1==8) { write_com(0x80+0x40+0x0a); num1=1; write_com(0x0f); } } } if(num1!=0&&flag_alarm==0) { if(k2==0)/*左二按键*/ { delay(5); if(k2==0) { while(!k2); if(num1==1) { seconds++; if(seconds==60) seconds=0; write_hms(0x80+0x40+10,seconds); write_com(0x80+0x40+10); } if(num1==2) { minutes++; if(minutes==60) minutes=0; write_hms(0x80+0x40+7,minutes); write_com(0x80+0x40+7); } if(num1==3) { hours++; if(hours==24) hours=0; write_hms(0x80+0x40+4,hours); write_com(0x80+0x40+4); } if(num1==4) { day++; if(day==8) day=1; write_day(day); } if(num1==5) { date++; if(date==32) date=1; write_hms(0x80+0x0a,date); write_com(0x80+0x0a); } if(num1==6) { month++; if(month==13) month=1; write_hms(0x80+7,month); write_com(0x80+7); } if(num1==7) { year++; if(year==100) year=0; write_hms(0x80+4,year); write_com(0x80+4); } } } } if(num1!=0&&flag_alarm==0) { if(k3==0)/*左三按键*/ { delay(5); if(k3==0) { while(!k3); if(num1==1) { if(seconds==0) seconds=60; seconds--; write_hms(0x80+0x40+10,seconds); write_com(0x80+0x40+10); } if(num1==2) { if(minutes==0) minutes=60; minutes--; write_hms(0x80+0x40+7,minutes); write_com(0x80+0x40+7); } if(num1==3) { if(hours==0) hours=24; hours--; write_hms(0x80+0x40+4,hours); write_com(0x80+0x40+4); } if(num1==4) { day--; if(day==0) day=7; write_day(day); } if(num1==5) { date--; if(date==0) date=31; write_hms(0x80+0x0a,date); write_com(0x80+0x0a); } if(num1==6) { month--; if(month==0) month=12; write_hms(0x80+7,month); write_com(0x80+7); } if(num1==7) { year--; if(year==0) year=99; write_hms(0x80+4,year); write_com(0x80+4); } } } } if(num1!=0&&flag_alarm==0) { if(k4==0)/*右二建*/ { delay(5); if(k4==0) { while(!k4); write_com(0x0c); num1=0; write_ds(0,seconds); write_ds(2,minutes); write_ds(4,hours); write_ds(6,day); write_ds(7,date); write_ds(8,month); write_ds(9,year); P1=0x01; flag=1; TR0=1; } } } if(k5==0&&flag_alarm==0) { delay(5); if(k5==0) { while(!k5); TR0=0; flag1=~flag1; if(flag1==0) { flag=1; write_com(0x80+0x40); write_date(' '); write_date(' '); write_com(0x0c); //清屏下，否则光标乱跳(闹铃调时间时) write_ds(1,seconds); write_ds(3,minutes); write_ds(5,hours); P1=0x10; TR0=1; } else { read_alarm(); //读原始数据 seconds=amiao; minutes=afen; hours=ashi; write_com(0xc0); write_date('n'); write_date('z'); write_hms(0x80+0x40+10,seconds); write_hms(0x80+0x40+7,minutes); write_hms(0x80+0x40+4,hours); } } } } void init()/*初始化*/ { uchar i; lcden=0; temp1=0; flag=1; P1=0x01; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); write_com(0x80); for(i=0;i<12;i++) { write_date(table1[i]); delay(5); } write_com(0x80+0x40); for(i=0;i<12;i++) { write_date(table2[i]); delay(5); } TMOD=0x01; TH0=(65536-45872)/256; TL0=(65536-45872)%256; EA=1; ET0=1; TR0=1; EX1=1; IT1=1; /* write_ds(0x0a,0x20); //控制寄存器A 计时开始，12c887初次使用需要赋值 write_ds(0x0b,0x26);//控制寄存器B 设置时钟显示方式，数据输入模式 read_ds(0x0c);//控制寄存器C 读寄存器C，使得寄存器C的IRQ置零 set_time();*/ } void clock() { beep=0; delay(100); beep=1; } void main() { init(); while(1) { key(); if(flag_alarm==1) //如果闹铃时间到 { temp1++; if(temp1==1) { write_com(0x80+0x40+6); write_date(':'); write_com(0x80+0x40+9); write_date(':'); } clock(); delay(100); clock(); delay(500); TR0=0; P1=0xff; del