DS1602显示的可调时间、日期、星期、闹铃的数字钟

//******************************************************************************************************* //**********************用DS1602实现可调日期，时间，星期的实用数字钟功能********************************* //******************创建日期:2010-1-7******************************************************************** //******************功能介绍:用3*3按键在DS1602上显示 第一排显示"2010-01-05 MON"第二排显示"23：59：00"**** //*********************************************功能介绍************************************************** //************************** K6:adjtime K3:hour K2:minute K1:OK******************************** //************************** K3:adjalarm K3:hh K2:min K1:OK******************************** //************************** K2:lookalarm K1:OK ******************************** //************************** K1:alarm ON/OFF ******************************** //************************** K5:adjdate K9:month K8:day K7:week K4:OK******************************** //******************************************************************************************************* //******************************************************************************************************* #include "reg51.h" #define K1 0xde #define K2 0xee #define K3 0xf6 #define K4 0xdd #define K5 0xed #define K6 0xf5 #define K7 0xdb #define K8 0xeb #define K9 0xf3//按键代码 sbit rs=P2^5; sbit rw=P2^6; sbit en=P2^7; sbit P37=P3^7;//蜂鸣器开关 置0有效 unsigned char kbscan();//按键扫描 void ds1602();//DS1602初始化 void lcd_com(unsigned char com);//DS1602命令写入 void lcd_data(unsigned char dat);//DS1602数据写入 void timer0();//用于延时的定时中断 初始2mS void disp();//主程序的显示调用 void display();//正常的显示 void display_alarm();//查看闹铃 void alarm();//闹铃 void process();//按键的处理 unsigned char result();//计算月份的天数 unsigned char key,days,flag_week=2,dema,demb,a,b,c,d,e,f,i,n;//key按键的返回值 dema延时的2mS传递变量 flag_week默认周一 demb按键扫描的延时传递变量 a..i为时分秒的传递 unsigned int count=0;//计数 到1秒 unsigned char second=0,minute=59,hour=23,hh=0,min=0,sec=0,day=5,month=1,year=10;//年月日时分秒的初始值 bit flag_alarm=0,flag_offalarm=0;//闹铃的标志位,闹钟关的标志位 unsigned char demc,demd,deme,temp=0,flag=0,m3,m4,m6,m7,m9,m10;//demc..deme temp flag为闹铃声的变量 m3..m10为年月日的传递 unsigned char week1[]="MON"; unsigned char week2[]="TUE"; unsigned char week3[]="WED"; unsigned char week4[]="THU"; unsigned char week5[]="FRI"; unsigned char week6[]="SAT"; unsigned char week7[]="SUN";//星期代码 //******************************* //DS1602命令的写入 //******************************* void lcd_com(unsigned char com) { rs=0; rw=0; P0=com; dema=1; while(dema!=0); en=1; dema=1; while(dema!=0); en=0; } //********************* //DS1602数据的写入 //********************* void lcd_data(unsigned char dat) { rs=1; rw=0; P0=dat; dema=1; while(dema!=0); en=1; dema=1; while(dema!=0); en=0; } //*************************** //3*3按键的扫描 //*************************** unsigned char kbscan() { unsigned char sccode,recode,temp; P1=0XF8; temp=P1; if(temp!=0xf8) { demb=3; while(demb!=0); if(temp==P1) { sccode=0xfe; while((sccode&0xf7)!=0) { P1=sccode; if((P1&0xf8)!=0xf8) { recode=P1&0Xf8; sccode=sccode&0xc7; return(recode|sccode); } else sccode=sccode<<1|0x01; } } } return(0); } //************************** //*********每月的天数计算*** //************************** unsigned char result() { switch(month) { case 1:return 31;break; case 3:return 31;break; case 5:return 31;break; case 7:return 31;break; case 8:return 31;break; case 10:return 31;break; case 12:return 31;break; case 4:return 30;break; case 6:return 30;break; case 9:return 30;break; case 11:return 30;break; case 2: if(year%4==0) { return 29;//闰年 29天 } else { return 28;//平年28天 } } } //************************** //*********DS1602的初始化*** //************************** void ds1602() { lcd_com(0x38);//16*2显示 5*7矩阵 dema=1; while(dema!=0); lcd_com(0x0c);//显示开,无光标无闪烁 dema=1; while(dema!=0); lcd_com(0x06);//指针+1,整屏不动 dema=1; while(dema!=0); lcd_com(0x01);//清屏 } //******************************* //定时中断延时的初始化以及中断*** //******************************* void timer0() { TMOD=0X01; TH0=0Xf8; TL0=0X30; //2mS初值 12M晶振 TR0=1; ET0=1; EA=1; } TIME0() interrupt 1 { TR0=0; TH0=0Xf8; TL0=0X30; //2mS初值 TR0=1; count++; if(count>=500)//1s { count=0; second++; if(second>=60)//1m { second=0; minute++; if(minute>=60)//1h { minute=0; hour++; if(hour>=24)//1day { hour=0; flag_week++;//星期调整 if(flag_week>8) { flag_week=1; } day++; if(day>(days=result()))//1month { day=1; month++; if(month>12)//1year { month=1; year++; if(year>100) { year=0; } } } } } } } if(dema) dema--;//写命令的延时 if(demb) demb--;//按键的延时 //************闹铃********** if(demc) { demc--; } if(demd) { demd--; } flag++; if(flag>=200) { flag=0; temp=1; deme++; if(deme>=2) { demc=0; temp=0; } } } //************************** //正常日期时间显示 //************************** void display() { a=hour/10; b=hour%10; c=minute/10; d=minute%10; e=second/10; f=second%10; m3=year/10; m4=year%10; m6=month/10; m7=month%10; m9=day/10; m10=day%10; //*****第一排显示 ********** lcd_com(0x81);//第一排从第2个位置开始显示 lcd_data(0x32); lcd_com(0x82); lcd_data(0x30); lcd_com(0x83); lcd_data(0x30+m3); lcd_com(0x84); lcd_data(0x30+m4); lcd_com(0x85); lcd_data(0x2d);//"-" lcd_com(0x86); lcd_data(0x30+m6); lcd_com(0x87); lcd_data(0x30+m7); lcd_com(0x88); lcd_data(0x2d);//"-" lcd_com(0x89); lcd_data(0x30+m9); lcd_com(0x8a); lcd_data(0x30+m10); if(flag_week==1)//周1 { lcd_com(0x8c); for(n=0;n<3;n++) { lcd_data(week1[n]); } } else if(flag_week==2)//周2 { lcd_com(0x8c); for(n=0;n<3;n++) { lcd_data(week2[n]); } } else if(flag_week==3)//周3 { lcd_com(0x8c); for(n=0;n<3;n++) { lcd_data(week3[n]); } } else if(flag_week==4)//周4 { lcd_com(0x8c); for(n=0;n<3;n++) { lcd_data(week4[n]); } } else if(flag_week==5)//周5 { lcd_com(0x8c); for(n=0;n<3;n++) { lcd_data(week5[n]); } } else if(flag_week==6)//周6 { lcd_com(0x8c); for(n=0;n<3;n++) { lcd_data(week6[n]); } } else if(flag_week==7)//周7 { lcd_com(0x8c); for(n=0;n<3;n++) { lcd_data(week7[n]); } } //*****第二排显示*********** lcd_com(0xc2);//第二排从第3个位置开始显示 lcd_data(0x30+a); lcd_com(0xc3); lcd_data(0x30+b); lcd_com(0xc4); lcd_data(0x3a);//":" lcd_com(0xc5); lcd_data(0x30+c); lcd_com(0xc6); lcd_data(0x30+d); lcd_com(0xc7); lcd_data(0x3a);//":" lcd_com(0xc8); lcd_data(0x30+e); lcd_com(0xc9); lcd_data(0x30+f); lcd_com(0xcb); lcd_data(0x47);//"G" lcd_com(0xcc); lcd_data(0x47);//"G" lcd_com(0xcd); lcd_data(0x47);//"G" } //********************************************** //*************************看闹钟*************** void display_alarm() { a=hh/10; b=hh%10; c=min/10; d=min%10; e=sec/10; f=sec%10; m3=year/10; m4=year%10; m6=month/10; m7=month%10; m9=day/10; m10=day%10; //*****第一排显示 ********** lcd_com(0x81);//第一排从第2个位置开始显示 lcd_data(0x32); lcd_com(0x82); lcd_data(0x30); lcd_com(0x83); lcd_data(0x30+m3); lcd_com(0