delay1ms(uchar time) //延时1ms { uchar i,j;
for(i=0;i //LCD驱动部分 enable() { rs=0; rw=0; e=0; delay1ms(3); e=1; } write2(uchar i) { P0=i; rs=1; rw=0; e=0; delay1ms(2); e=1; } write1(uchar data *address,m) { uchar i,j; for(i=0;i //LCD显示 lcdshow() { P0=0XC; //显示器开、光标关 enable(); P0=0x80; //第一行0~15 enable(); write1(time1,16); P0=0xc1; //第二行1~14 enable(); write1(time2,15); } //DS1302读写子程序 write(uchar address) { uchar i; clk=0; _nop_(); rst=1; _nop_(); for(i=0;i<8;i++) { dat=address&1; _nop_(); clk=1; address>>=1; clk=0; } } uchar read() { uchar i,j=0; for(i=0;i<8;i++) { j>>=1; _nop_(); clk=0; _nop_(); if(dat) j|=0x80; _nop_(); clk=1; } return(j); } //部分显示数据初始化 timestart() { time1[6]=time1[9]='-'; time1[2]='2',time1[3]='0'; time2[2]=time2[5]=':'; write(0xc1); alarm[0]=read(); rst=0; write(0xc3); alarm[1]=read(); rst=0; write(0xc5); time1[0]=read(); rst=0; } //读取时间 readtime() { uchar i,m,n; write(0x8d); //读取年份 m=read(); rst=0; time1[4]=m/16+0x30; time1[5]=m+0x30; time1[15]=m+0x30; for(i=7,n=0x89;i<11;i+=3,n-=2) //读取月份和日期 { write(n); m=read(); rst=0; time1[i]=m/16+0x30; time1[i+1]=m+0x30; } for(m=0,i=0,n=0x85;i<7;i+=3,n-=2,m++) //读取时,分,秒 { write(n); time[m]=read(); //将实时的时分秒给time[] rst=0; time2[i]=time[m]/16+0x30; time2[i+1]=time[m]+0x30; } } baoshi() //整点报时 { beep=1; if(time[1]==0) if(time[2]==0) {beep=0;delay(10);beep=1;} } //闹钟部分 showalarm() { uchar i; for(i=1;i<10;i++) {beep=0;delay(1000);beep=1;} } //根据日期的变动自动调整星期 //设置时间 settime() { uchar i=0x85,year,month,day,n; time2[6]=time2[7]=0x30,time1[14]=time1[15]=0x20; lcdshow(); while(1) { P0=0x0e; //显示器开显示、开光标 enable(); P0=i; //定光标 enable(); P1=0xf0; if(P1!=0Xf0) //有按钮按下 { delay1ms(100); //延时0.1s去抖动 if(P1!=0Xf0) { j=7; if(P1==0X70) //K1，设置时钟 { i+=3; if(i==0x8e) i=0xc2; else if(i>0xc5) i=0x85; } else if(P1==0xb0) //K2，上调 { year=(time1[4]&0xf)*10+(time1[5]&0xf); month=(time1[7]&0xf)*10+(time1[8]&0xf); day=(time1[10]&0xf)*10+(time1[11]&0xf); if(i==0x85) { year++; if(year>99) year=0; if((year%4)!=0) if(month==2&&day==29) day=28; } else if(i==0x88) { month++; if(month>12) month=1; if(day>Day[month-1]) { day=Day[month-1]; if(month==2&&(year%4)==0) } day=29; } } else if(i==0x8b) { day++; if(day>Day[month-1]) { if(month==2&&(year%4)==0) { if(day>29) day=1; } if(month!=2) day=1; } } else if(i==0xc2) { n=(time2[0]&0xf)*10+(time2[1]&0xf); n++; if(n>23) n=0; time2[0]=n/10+0x30; time2[1]=n+0x30; } else { n=(time2[3]&0xf)*10+(time2[4]&0xf); n++; if(n>59) n=0; time2[3]=n/10+0x30; time2[4]=n+0x30; } time1[4]=year/10+0x30; time1[5]=year+0x30; time1[7]=month/10+0x30; time1[8]=month+0x30; time1[10]=day/10+0x30; time1[11]=day+0x30; lcdshow(); else if(P1==0xd0) //K3，下调