LCD1602 电子时钟 protues仿真

#include<regx52.h> #define uchar unsigned char #define uint unsigned int ReadOneChar(); sbit lcdrs=P2^0; sbit lcden=P2^1; sbit key=P1^0; sbit keyjia=P1^2; sbit keyjian=P1^4; sbit kding=P1^3; sbit DATA=P2^2; sbit baojing=P2^6; sbit naoling=P1^6; sbit clk=P2^3; sbit da=P2^4; sbit step=P2^5; sbit cha=P1^7; uchar shi,fen,miao,day,yue,nian,flag,set,setflag,setshi,setfen,setmiao,setflagg,miao1,fen1,shi1; uchar dd,kdao,chab; uint wendu; void chuli(); uchar CGCODE[]={ 0x04,0x0a,0x11,0x4,0x1f,0x02,0x04,0x08,//今 0x00 0x1F,0x04,0x1F,0x4,0x4,0x0A,0x11,0X00,//天 0x01 0x08,0x0F,0x12,0x0F,0x0A,0x1F,0x02,0x02,//"年"代码 0x02 0x0F,0x09,0x0F,0x09,0x0F,0x09,0x13,0x00,//"月"代码 0x03 0x1F,0x11,0x11,0x1F,0x11,0x11,0x1F,0x00,//"日"代码 0x04 }; uchar code tabel[]="TIME: : : ";//13 uchar tab[]={0X00,0X01,':','0','9',0x02,'1','1',0x03,'2','1',0x04 };//显示"08年03月09日" uchar code ding[]={"TIME SETTING...."};//16 uchar code dingok[]={"TIME SETTING OK!"};//16 uchar code quxia[]={"NO SET TIME!!!!!"};//16 void delay(uint t) { uint x,y; for(x=0;x<t;x++) for(y=0;y<110;y++); } void delay1(uint num) { while(num--) ; } void sbuf(uchar date) { uchar i; for(i=0;i<8;i++) { clk=0; date=date<<1; da=CY; clk=1; } for(i=0;i<8;i++) { step=0; date=date; step=1; } } //读一个字节 ReadOneChar(void) { uchar i=0; uchar dat = 0; for (i=8;i>0;i--) { DATA = 0; // 给脉冲信号 dat>>=1; DATA = 1; // 给脉冲信号 if(DATA) dat|=0x80; delay1(8); } return(dat); } //写一个字节 WriteOneChar(unsigned char dat) { uchar i=0; for (i=8; i>0; i--) { DATA = 0; DATA = dat&0x01; delay1(10); DATA = 1; dat>>=1; } delay1(8); } /*************DS18b20温度传感器函数*********************/ Init_DS18B20(void) //传感器初始化 { uchar x=0; DATA = 1; //DQ复位 delay1(10); //稍做延时 DATA = 0; //单片机将DQ拉低 delay1(80); //精确延时 大于 480us //450 DATA = 1; //拉高总线 delay1(20); x=DATA; //稍做延时后 如果x=0则初始化成功 x=1则初始化失败 delay1(30); } //读取温度 uint ReadTemperature(void) { uchar a=0; uchar b=0; int t=0; float tt=0; Init_DS18B20(); WriteOneChar(0xCC); // 跳过读序号列号的操作 WriteOneChar(0x44); // 启动温度转换 Init_DS18B20(); WriteOneChar(0xCC); //跳过读序号列号的操作 WriteOneChar(0xBE); //读取温度寄存器等（共可读9个寄存器） 前两个就是温度 a=ReadOneChar();//低位 b=ReadOneChar();//高位 t=b; t<<=8; t=t|a; tt=t*0.0625; t= tt*10+0.5; return(t); } void write_com(uchar com)//向1602写指令 { lcdrs=0; sbuf(com); delay(5); lcden=1; delay(5); lcden=0; } void write_date(uchar dat)//向1602写数据 { lcdrs=1; sbuf( dat); delay(5); lcden=1; delay(5); lcden=0; } void init()//程序初始化 { lcden=0; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); TMOD=0x01; EA=1; ET0=1; TH0=(65536-50000)/256; TL0=(65536-50000)%256; TR0=1; flag=0; } void main()//主函数 { uchar i,ii; setflag=0; dd=0; nian=9;yue=11;day=24; shi=23;fen=59;miao=54; shi1=0; fen1=1;miao1=0; wendu= ReadTemperature(); init(); lcdrs=0; write_com(0x40);//将自定义字符写入CGRAM for(i=0;i<40;i++)//循环40次写入 { write_date(CGCODE[i]); } write_com(0x80);//写入初始地址 for(i=0;i<12;i++) { write_date(tab[i]); } write_com(0x80+0x40); for(ii=0;ii<13;ii++) write_date(tabel[ii]); while(1) { if(naoling==0) { dd=1; kdao=0; } if(naoling==1) { dd=0; kdao=1; } if(cha==0) { delay(10); if(cha==0) { while(!cha); write_com(0x80+0x40+5); write_date((setshi/10)+0x30); write_date((setshi%10)+0x30); write_com(0x80+0x40+8); write_date((setfen/10)+0x30); write_date((setfen%10)+0x30); write_com(0x80+0x40+11); write_date((setmiao/10)+0x30); write_date((setmiao%10)+0x30); } } if((key==0)&&(setflag==0)) { delay(10); if(key==0) { while(!key); TR0=0; write_com(0x38); write_com(0x0c); write_com(0x0f); flag++; if(flag==1) write_com(0x80+0x40+12); if(flag==2) write_com(0x80+0x40+9); if(flag==3) write_com(0x80+0x40+6); if(flag==4) write_com(0x80+10); if(flag==5) write_com(0x80+7); if(flag==6) write_com(0x80+4); if(flag==7) { write_com(0x0c); flag=0; TR0=1; } } } if((keyjia==0)&&(flag!=0)&&(setflag==0)) { delay(10); if((keyjia==0)&&(flag!=0)&&(setflag==0)) { while(!keyjia); if(flag==1) { miao++; if(miao==60) { miao=0; } write_com(0x80+0x40+12); write_date((miao%10)+0x30); write_com(0x80+0x40+11); write_date((miao/10)+0x30); write_com(0x80+0x40+12); } if(flag==2) { fen++; if(fen==60) { fen=0; } write_com(0x80+0x40+9); write_date((fen%10)+0x30); write_com(0x80+0x40+8); write_date((fen/10)+0x30); write_com(0x80+0x40+9); } if(flag==3) { shi++; if(shi==23) { shi=0; } write_com(0x80+0x40+6); write_date((shi%10)+0x30); write_com(0x80+0x40+5); write_date((shi/10)+0x30); write_com(0x80+0x40+6); } if(flag==4) { day++; if(day==30) { day=0; } write_com(0x80+10); write_date((day%10)+0x30); write_com(0x80+9); write_date((day/10)+0x30); write_com(0x80+10); } if(flag==5) { yue++; if(yue==12) { yue=0; } write_com(0x80+7); write_date((yue%10)+0x30); write_com(0x80+6); write_date((yue/10)+0x30); write_com(0x80+7); } } } if((keyjian==0)&&(flag!=0)&&(setflag==0)) { delay(10); if((keyjian==0)&&(flag!=0)&&(setflag==0)) { while(!keyjian); if(flag==1) { miao--; if(miao==-1) { miao=59; } write_com(0x80+0x40+12); write_date((miao%10)+0x30); write_com(0x80+0x40+11); write_date((miao/10)+0x30); write_com(0x80+0x40+12); } if(flag==2) { fen--; if(fen==-1) { fen=59; } write_com(0x80+0x40+9); write_date((fen%10)+0x30); write_com(0x80+0x40+8); write_date((fen/10)+0x30); write_com(0x80+0x40+9); } if(flag==3) { shi--; if(shi==-1) { shi=23; } write_com(0x80+0x40+6); write_date((shi%10)+0x30); write_com(0x80+0x40+5); write_date((shi/10)+0x30); write_com(0x80+0x40+6); } if(flag==4) { day--; if(day==-1) { day=30; } write_com(0x80+10); write_date((day%10)+0x30); write_com(0x80+9); write_date((day/10)+0x30); wri