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单片机制作的电子钟仿真（含闹钟 温度 报警功能）

 快乐读书法 2016-09-03
  •   #include<reg52.h>
  • #include<intrins.h>
  • unsigned char code displaywelcome[]={" Welcome To My Lcd Timer"};//欢迎界面
  • unsigned char code displaywish[]={" Happy Every Day ^_^"}; //欢迎界面
  • unsigned char code overtemperature[]={"OVERTEMPERATURE!"};
  • unsigned char code digit[]={"0123456789"}; //数字代码
  • unsigned char mode,TH,TL,TN,TD,length,tempswitch,Maxtemp=40,amode,alarmmode,minutes,hours,
  • minutea,seconds,houra=12;
  • sbit SCLK=P1^0; //DS1302 时钟输入
  • sbit DATE=P1^1; //DS1302 数据输入
  • sbit REST=P1^2; //DS1302 复位端口
  • sbit SET=P1^4; //DS1302 设置模式选择位
  • sbit ADD=P1^5; //增加
  • sbit RED=P1^6; //减小
  • sbit CANL=P1^7;
  • void delay1ms(int i)//1 毫秒延时
  • {
  • int j,k;
  • while(i--)
  • for(j=76;j>1;j--);
  • for(k=29;k>1;k--);
  • }
  • void delaynus(unsigned char n) //延时若干微秒
  • {
  • unsigned char i;
  • for(i=0;i<n;i++);
  • }
  • /***********蜂鸣器模块************/
  • sbit beep=P3^6; //位定义，定义P.6 位fmp
  • void dely500(void)
  • {
  • unsigned char i;
  • for(i=250;i>0;i--)
  • {
  • _nop_();
  • }
  • }
  • void baojing(unsigned char n)
  • {
  • unsigned char x,i;
  • while(n--)
  • {
  • for(i=0;i<5;i++)
  • {
  • for(x=0;x<200;x++)
  • {
  • beep=~beep;
  • dely500();
  • }
  • }
  • for(i=0;i<3;i++)
  • {
  • for(x=0;x<200;x++)
  • {
  • beep=~beep;
  • dely500();
  • dely500();
  • }
  • }
  • }
  • }
  • /*******DS1302 模块*************/
  • void Write1302(unsigned char date)//向1302 写数据
  • {
  • unsigned char i;
  • SCLK=0;
  • delaynus(2);
  • for(i=0;i<8;i++)
  • {
  • DATE=date&0x01;
  • SCLK=1;
  • delaynus(2);
  • SCLK=0;
  • delaynus(2);
  • date>>=1;
  • }
  • }
  • void WriteSet1302(unsigned char cmd,unsigned char date) //根据相应的命令输入相应的数据
  • {
  • REST=0;
  • SCLK=0;
  • REST=1;
  • Write1302(cmd);
  • delaynus(5);
  • Write1302(date);
  • SCLK=1;
  • REST=0;
  • }
  • unsigned char Read1302(void) //读取1302 数据
  • {
  • unsigned char i,date;
  • delaynus(2);
  • for(i=0;i<8;i++)
  • {
  • date>>=1;
  • if(DATE==1)
  • date|=0x80;
  • SCLK=1;
  • delaynus(2);
  • SCLK=0;
  • delaynus(2);
  • }
  • return date;
  • }
  • unsigned char ReadSet1302(unsigned char cmd)//根据命令读取1302 相应的值
  • {
  • unsigned char date;
  • REST=0;
  • SCLK=0;
  • REST=1;
  • Write1302(cmd);
  • delaynus(2);
  • date=Read1302();
  • SCLK=1;
  • REST=0;
  • return date;
  • }
  • void IntDS1302(void) //DS1302 初始化
  • {
  • unsigned char flag;
  • flag= ReadSet1302(0x81);
  • if(flag&0x80) { //判断时钟芯片是否关闭
  • WriteSet1302(0x8E,0x00); //根据写状态寄存器命令字，写入不保护指令
  • WriteSet1302(0x80,((0/10)<<4|(0%10))); //根据写秒寄存器命令字，写入秒的初始值
  • WriteSet1302(0x82,((0/10)<<4|(0%10))); //根据写分寄存器命令字，写入分的初始值
  • WriteSet1302(0x84,((0/10)<<4|(0%10))); //根据写小时寄存器命令字，写入小时的初始值
  • WriteSet1302(0x86,((0/10)<<4|(0%10))); //根据写日寄存器命令字，写入日的初始值
  • WriteSet1302(0x88,((0/10)<<4|(0%10))); //根据写月寄存器命令字，写入月的初始值
  • WriteSet1302(0x8c,((10/10)<<4|(10%10))); //根据写年寄存器命令字，写入年的初始值
  • WriteSet1302(0x90,0xa5); //打开充电功能选择2K 电阻充电方式
  • WriteSet1302(0x8E,0x80); //根据写状态寄存器命令字，写入保护指令
  • }
  • }
  • /***************液晶显示模块*****************/
  • sbit RS=P2^5;
  • sbit RW=P2^6;
  • sbit E=P2^7;
  • sbit BF=P0^7;
  • /*液晶忙检测*/
  • bit BusyTest(void)
  • {
  • bit result;
  • RS=0;
  • RW=1;
  • E=1;
  • _nop_();
  • _nop_();
  • _nop_();
  • result=BF;
  • _nop_();
  • _nop_();
  • _nop_();
  • E=0;
  • return result;
  • }
  • /*写指令*/
  • void Write_com(unsigned char command)
  • {
  • while(BusyTest()!=0);
  • RS=0;
  • RW=0;
  • E=0;
  • _nop_();
  • _nop_();
  • _nop_();
  • P0=command;
  • _nop_();
  • _nop_();
  • _nop_();
  • E=1;
  • _nop_();
  • _nop_();
  • _nop_();
  • E=0;
  • }
  • /*写地址*/
  • void Write_Address(unsigned char address)
  • {
  • Write_com(address|0x80);
  • delay1ms(1);
  • }
  • /*写数据*/
  • void Write_Date(unsigned char date)
  • {
  • RS=1;
  • RW=0;
  • E=0;
  • _nop_();
  • _nop_();
  • _nop_();
  • P0=date;
  • _nop_();
  • _nop_();
  • _nop_();
  • E=1;
  • _nop_();
  • _nop_();
  • _nop_();
  • E=0;
  • delay1ms(1);
  • }
  • /*初始化*/
  • void Lcd_Int(void)
  • {
  • Write_com(0x38);
  • delay1ms(1);
  • Write_com(0x38);
  • delay1ms(1);
  • Write_com(0x06);
  • delay1ms(1);
  • Write_com(0x0c);
  • delay1ms(1);
  • Write_com(0x01);
  • }
  • void displaymainpart(void)//显示液晶主要部分（不变化部分）
  • {
  • Write_Address(0x01);
  • delay1ms(1);
  • Write_Date('D');
  • Write_Date('A');
  • Write_Date('T');
  • Write_Date('E');
  • Write_Date(':');
  • delay1ms(1);
  • Write_Address(0x0A);
  • delay1ms(1);
  • Write_Date('-');
  • Write_Address(0x0D);
  • Write_Date('-');
  • Write_Address(0x42);
  • Write_Date('T');
  • Write_Date('I');
  • Write_Date('M');
  • Write_Date('E');
  • Write_Date(':');
  • Write_Address(0x4A);
  • Write_Date('-');
  • Write_Address(0x4D);
  • Write_Date('-');
  • Write_Address(0x06);
  • Write_Date('2');
  • Write_Date('0');
  • }
  • void display_Second(unsigned char second) //在液晶上显示秒
  • {
  • unsigned char i,j;
  • i=second/10;
  • j=second%10;
  • Write_Address(0x4E);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • delay1ms(1);
  • }
  • void display_Minute(unsigned char minute) //在液晶上显示分
  • {
  • unsigned char i,j;
  • i=minute/10;
  • j=minute%10;
  • Write_Address(0x4B);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • delay1ms(1);
  • }
  • void display_Hour(unsigned char hour) //在液晶上显示时
  • {
  • unsigned char i,j;
  • i=hour/10;
  • j=hour%10;
  • Write_Address(0x48);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • delay1ms(1);
  • }
  • void display_Day(unsigned char day) //在液晶上显示日
  • {
  • unsigned char i,j;
  • i=day/10;
  • j=day%10;
  • Write_Address(0x0E);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • delay1ms(1);
  • }
  • void display_Month(unsigned char month) //在液晶上显示月
  • {
  • unsigned char i,j;
  • i=month/10;
  • j=month%10;
  • Write_Address(0x0B);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • delay1ms(1);
  • }
  • void display_Year(unsigned char year) //在液晶上显示年
  • {
  • unsigned char i,j;
  • i=year/10;
  • j=year%10;
  • Write_Address(0x08);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • delay1ms(1);
  • }
  • void display_houra(unsigned char x) //闹钟小时部分显示
  • {
  • unsigned char i,j;
  • i=x/10;
  • j=x%10;
  • Write_Address(0x44);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • }
  • void display_minutea(unsigned char x)//闹钟分钟部分显示
  • {
  • unsigned char i,j;
  • i=x/10;
  • j=x%10;
  • Write_Address(0x47);
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • }
  • void display_Time(void) //显示实时时间
  • {
  • unsigned char value,day,month,year;
  • Write_com(0x0c);
  • value=ReadSet1302(0x81);
  • seconds=(((value&0x70)>>4)*10+(value&0x0f));
  • display_Second(seconds);
  • value=ReadSet1302(0x83);
  • minutes=(((value&0x70)>>4)*10+(value&0x0f));
  • display_Minute(minutes);
  • value=ReadSet1302(0x85);
  • hours=(((value&0x70)>>4)*10+(value&0x0f));
  • display_Hour(hours);
  • value=ReadSet1302(0x87);
  • day=(((value&0x70)>>4)*10+(value&0x0f));
  • display_Day(day);
  • value=ReadSet1302(0x89);
  • month=(((value&0x70)>>4)*10+(value&0x0f));
  • display_Month(month);
  • value=ReadSet1302(0x8D);
  • year=(((value&0xf0)>>4)*10+(value&0x0f));
  • display_Year(year);
  • }
  • void displaystar(void) //显示欢迎界面
  • {
  • unsigned char i,j;
  • Write_Address(0x0f);
  • while(displaywelcome[i]!='\0')
  • {
  • Write_Date(displaywelcome[i]);
  • i++;
  • delay1ms(1);
  • }
  • i=0;
  • Write_Address(0x4f);
  • while(displaywish[i]!='\0')
  • {
  • Write_Date(displaywish[i]);
  • i++;
  • delay1ms(1);
  • }
  • j=40;
  • while(j--)
  • {
  • Write_com(0x18);//循环左移
  • delay1ms(700);
  • }
  • Write_com(0x01);
  • delay1ms(10);
  • }
  • void gbdisplay(unsigned char address) //时间调整时光标闪烁
  • {
  • Write_Address(address);
  • delay1ms(5);
  • Write_com(0x0f);
  • delay1ms(5);
  • }
  • void displaymaxt(unsigned char x) //显示最大温度
  • {
  • unsigned char i,j,k;
  • Write_com(0x0c);
  • delay1ms(2);
  • Write_Address(0x44);
  • i=x/100;
  • j=x/10;
  • k=x%10;
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • Write_Date(digit[k]);
  • }
  • /*****************时间调整部分*********************/
  • void hourset(void) //调时
  • {
  • unsigned char timevalue,hour;
  • delay1ms(500); //防止多次触发
  • WriteSet1302(0x8e,0x00);//将写保护去掉，确保能正常将调整后的数值写入DS1302
  • timevalue=ReadSet1302(0x85); //读取此时的数值
  • hour=(((timevalue&0x70)>>4)*10+(timevalue&0x0f));
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(50);
  • if(ADD==0)
  • {
  • hour++;
  • delay1ms(300);
  • while(ADD==0);
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(50);
  • if(RED==0)
  • {
  • hour--;
  • delay1ms(300);
  • if(hour==0) hour=23;
  • while(RED==0);
  • }
  • }
  • timevalue=(((hour)/10)<<4|(hour%10));
  • WriteSet1302(0x84,timevalue);
  • delay1ms(1);
  • display_Hour(hour);
  • Write_Address(0x49);
  • delay1ms(5);
  • if(hour>=24) hour=0;
  • delay1ms(5);
  • if(CANL==0)
  • {
  • mode=0;
  • Write_com(0x0c);
  • break;
  • }
  • if(SET==0) break;
  • }
  • WriteSet1302(0x8e,0x80);
  • }
  • void minuteset(void) //调分
  • {
  • unsigned char timevalue,minute;
  • delay1ms(500);
  • WriteSet1302(0x8e,0x00);
  • timevalue=ReadSet1302(0x83);
  • minute=(((timevalue&0x70)>>4)*10+(timevalue&0x0f));
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(10);
  • if(ADD==0)
  • {
  • minute++;
  • if(minute>=60) timevalue=0;
  • while(ADD==0);
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(10);
  • if(RED==0)
  • {
  • minute--;
  • delay1ms(300);
  • if(minute==0) minute=59;
  • while(RED==0);
  • }
  • }
  • timevalue=((minute/10)<<4|(minute%10));
  • WriteSet1302(0x82,timevalue);
  • delay1ms(1);
  • display_Minute(minute);
  • Write_Address(0x4c);
  • delay1ms(5);
  • if(minute>=60) minute=0;
  • delay1ms(5);
  • if(CANL==0)
  • {
  • mode=0;
  • Write_com(0x0c);
  • break;
  • }
  • if(SET==0) break;
  • }
  • WriteSet1302(0x8e,0x80);
  • }
  • void secondset(void) //秒归零
  • {
  • unsigned char second;
  • delay1ms(500);
  • WriteSet1302(0x8e,0x00);
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(10);
  • if(ADD==0)
  • {
  • second=0;
  • WriteSet1302(0x80,0x00);
  • while(ADD==0);
  • }
  • }
  • delay1ms(1);
  • display_Second(second);
  • Write_Address(0x4f);
  • delay1ms(5);
  • if(CANL==0)
  • {
  • mode=0;
  • Write_com(0x0c);
  • break;
  • }
  • if(SET==0) break;
  • }
  • WriteSet1302(0x8e,0x80);
  • }
  • void yearset(void) //调年
  • {
  • unsigned char datevalue,year;
  • delay1ms(500);
  • WriteSet1302(0x8e,0x00);
  • datevalue=ReadSet1302(0x8d);
  • year=(((datevalue&0x70)>>4)*10+(datevalue&0x0f));
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(10);
  • if(ADD==0)
  • {
  • year++;
  • while(ADD==0);
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(10);
  • if(RED==0)
  • {
  • year--;
  • delay1ms(300);
  • while(RED==0);
  • }
  • }
  • datevalue=((year/10)<<4|(year%10));
  • WriteSet1302(0x8c,datevalue);
  • delay1ms(5);
  • display_Year(year);
  • delay1ms(5);
  • Write_Address(0x09);
  • delay1ms(5);
  • if(CANL==0)
  • {
  • mode=0;
  • Write_com(0x0c);
  • break;
  • }
  • if(SET==0) break;
  • }
  • WriteSet1302(0x8e,0x80);
  • }
  • void monthset(void) //调月
  • {
  • unsigned char datevalue,month;

  • delay1ms(500);
  • WriteSet1302(0x8e,0x00);
  • datevalue=ReadSet1302(0x89);
  • month=(((datevalue&0x70)>>4)*10+(datevalue&0x0f));
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(10);
  • if(ADD==0)
  • {
  • month++;
  • if(month>12) month=1;
  • while(ADD==0);
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(10);
  • if(RED==0)
  • {
  • month--;
  • delay1ms(300);
  • if(month==0) month=12;
  • while(RED==0);
  • }
  • }
  • datevalue=((month/10)<<4|(month%10));
  • WriteSet1302(0x88,datevalue);
  • delay1ms(1);
  • display_Month(month);
  • Write_Address(0x0c);
  • delay1ms(5);
  • if(CANL==0)
  • {
  • mode=0;
  • Write_com(0x0c);
  • break;
  • }
  • if(SET==0) break;
  • }
  • WriteSet1302(0x8e,0x80);
  • }
  • void dayset(void) //调日
  • {
  • unsigned char datevalue,day;
  • delay1ms(500);
  • WriteSet1302(0x8e,0x00);
  • datevalue=ReadSet1302(0x87);
  • day=(((datevalue&0x70)>>4)*10+(datevalue&0x0f));
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(10);
  • if(ADD==0)
  • {
  • day++;
  • if(day>31) day=1;
  • while(ADD==0);
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(10);
  • if(RED==0)
  • {
  • day--;
  • delay1ms(300);
  • if(day==0) day=31;
  • while(RED==0);
  • }
  • }
  • datevalue=((day/10)<<4|(day%10));
  • WriteSet1302(0x86,datevalue);
  • delay1ms(1);
  • display_Day(day);
  • Write_Address(0x0f);
  • delay1ms(5);
  • if(CANL==0)
  • {
  • mode=0;
  • Write_com(0x0c);
  • break;
  • }
  • if(SET==0) break;
  • }
  • WriteSet1302(0x8e,0x80);
  • }
  • void alarmhourset(void) //闹钟小时调整
  • {
  • unsigned char value;
  • value=houra;
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(20);
  • if(ADD==0)
  • {
  • Write_com(0x0c);
  • delay1ms(5);
  • value++;
  • if(value>23) value=0;
  • while(ADD==0);
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(20);
  • if(RED==0)
  • {
  • value--;
  • if(value==0) value=23;
  • while(RED==0);
  • }
  • }
  • houra=value;
  • display_houra(houra);
  • gbdisplay(0x45);
  • if(CANL==0)
  • {
  • delay1ms(500);
  • break;
  • }
  • }
  • }
  • void alarmminuteset(void) //闹钟分钟调整
  • {
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(20);
  • if(ADD==0)
  • {
  • minutea++;
  • if(minutea>59) minutea=0;
  • while(ADD==0) ;
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(20);
  • if(RED==0)
  • {
  • minutea--;
  • if(minutea==0) minutea=59;
  • while(RED==0) ;
  • }
  • }
  • display_minutea(minutea);
  • gbdisplay(0x48);
  • if(CANL==0)
  • {
  • delay1ms(500);
  • break;
  • }
  • }
  • }
  • void TimeSet(void) //时间调整函数
  • {
  • display_Time();
  • if(SET==0)
  • {
  • delay1ms(10);
  • if(SET==0)
  • {
  • mode++;
  • delay1ms(20);
  • switch(mode)
  • {
  • case(1):{gbdisplay(0x48);hourset(); delay1ms(500);} break;
  • case(2):{gbdisplay(0x4c);minuteset();delay1ms(500);} break;
  • case(3):{gbdisplay(0x4f);secondset();delay1ms(500);} break;
  • case(4):{gbdisplay(0x09);yearset();delay1ms(500);} break;
  • case(5):{gbdisplay(0x0c);monthset();delay1ms(500);} break;
  • case(6):{gbdisplay(0x0f);dayset();delay1ms(500);} break;
  • }
  • if(mode==7) mode=0;
  • }
  • }
  • }
  • /***************显示温度模块********************/
  • unsigned char code displayexplain[]={"Digit thermometer"};
  • unsigned char code displayerror[]={"DS18B20 ERROR"};
  • unsigned char code displayerror1[]={"PLEASE CHECK "};
  • unsigned char code displaypart1[]={"WenDu:"};
  • unsigned char code displaypart2[]={"Cent"};
  • unsigned char flag;
  • /**********************操作DS18B20 模块***************************/
  • sbit DQ=P3^3;
  • unsigned char time;
  • /**********************DS18B20 初始化****************************/
  • bit IntDS18B20(void)
  • {
  • bit temp;
  • DQ=1;
  • for(time=0;time<2;time++);
  • DQ=0;
  • for(time=0;time<200;time++);
  • DQ=1;
  • for(time=0;time<10;time++);
  • temp=DQ;
  • for(time=0;time<200;time++);
  • return temp;
  • }
  • /**************************读DS18B20**********************/
  • unsigned char ReadDS18B20(void)
  • {
  • unsigned char i;
  • unsigned char dat;
  • for(i=0;i<8;i++)
  • {
  • DQ=1;
  • _nop_();
  • DQ=0;
  • _nop_();
  • DQ=1;
  • for(time=0;time<2;time++);
  • dat>>=1;
  • if(DQ==1)
  • dat=dat|0x80;
  • else
  • dat=dat|0x00;
  • for(time=0;time<10;time++);
  • }
  • return dat;
  • }
  • /*********************向DS18B20 写数据**************************/
  • void WriteDS18B20(unsigned char date)
  • {
  • unsigned char i;
  • for(i=0;i<8;i++)
  • {
  • DQ=1;
  • _nop_();
  • DQ=0;
  • DQ=date&0x01;
  • for(time=0;time<10;time++);
  • DQ=1;
  • for(time=0;time<1;time++);
  • date>>=1;
  • }
  • for(time=0;time<4;time++);
  • }
  • /*******************为读取温度做好准备************************/
  • void ReadyreadDS18B20(void)
  • {
  • IntDS18B20();
  • WriteDS18B20(0XCC);
  • WriteDS18B20(0X44);
  • delay1ms(200);
  • IntDS18B20();
  • WriteDS18B20(0XCC);
  • WriteDS18B20(0XBE);
  • }
  • /*************在1602 液晶上显示相关信息模块**********************/
  • /****************当未检测到DS18B20 时显示信息模块****************/
  • void Display_Error(void)
  • {
  • unsigned char i=0;
  • Write_Address(0x00);
  • while(displayerror[i]!='\0')
  • {
  • Write_Date(displayerror[i]);
  • i++;
  • delay1ms(100);
  • }
  • delay1ms(5);
  • i=0;
  • Write_Address(0x40);
  • while(displayerror1[i]!='\0')
  • {
  • Write_Date(displayerror1[i]);
  • i++;
  • delay1ms(100);
  • }
  • delay1ms(3000) ;
  • }
  • /*************温度显示模块****************/
  • void Display_Explain(void)
  • {
  • unsigned char i=0;
  • Write_Address(0x00);
  • delay1ms(5);
  • while(displayexplain[i]!='\0')
  • {
  • Write_Date(displayexplain[i]);
  • i++;
  • delay1ms(5);
  • }
  • i=0;
  • Write_Address(0x40);
  • while(displaypart1[i]!='\0')
  • {
  • Write_Date(displaypart1[i]);
  • i++;
  • delay1ms(5);
  • }
  • i=0;
  • Write_Address(0x4C);
  • while(displaypart2[i]!='\0')
  • {
  • Write_Date(displaypart2[i]);
  • i++;
  • delay1ms(5);
  • }
  • Write_Address(0x49);
  • Write_Date('.');
  • delay1ms(5);
  • }
  • /*********************显示温度整数部分*************************/
  • void Display_Integer(unsigned char x)
  • {
  • unsigned char i,j,k;
  • i=x/100;
  • j=x%100/10;
  • k=x%10;
  • Write_Address(0x46);
  • if(flag==1) Write_Date('-');
  • Write_Date(digit[i]);
  • Write_Date(digit[j]);
  • Write_Date(digit[k]);
  • delay1ms(50) ;
  • }
  • /************显示温度小数部分*********************/
  • void Display_Decimal(unsigned char x)
  • {
  • Write_Address(0x4A);
  • delay1ms(5);
  • Write_Date(digit[x]);
  • delay1ms(50);
  • }
  • void displayovert(void)
  • {
  • unsigned char i;
  • Write_com(0x01);
  • delay1ms(10);
  • Write_Address(0x03);
  • delay1ms(10);
  • Write_Date('W');
  • Write_Date('A');
  • Write_Date('R');
  • Write_Date('N');
  • Write_Date('I');
  • Write_Date('N');
  • Write_Date('G');
  • Write_Date('!');
  • Write_Address(0x40);
  • while(overtemperature[i]!='\0')
  • {
  • Write_Date(overtemperature[i]);
  • i++;
  • delay1ms(10);
  • }
  • }
  • /*******************温度主函数********************/
  • void Temperature(void)
  • {
  • unsigned char i;
  • delay1ms(5);
  • if(IntDS18B20()!=0) Display_Error();
  • else
  • {
  • delay1ms(1);
  • Write_com(0x01);
  • delay1ms(5);
  • Display_Explain();
  • for(length=50;length>0;length--)
  • {
  • for(i=0;i<6;i++)
  • {
  • flag=0;
  • ReadyreadDS18B20();
  • TL=ReadDS18B20();
  • TH=ReadDS18B20();
  • if((TH&0XF8)!=0X00)
  • {
  • flag=1;
  • TL=~TL;
  • TH=~TH;
  • TL+=1;
  • if(TL>255) TH+=1;
  • TN=TH*16+TL/16;
  • TD=(TL%16)*10/16;
  • }
  • TN=TH*16+TL/16;
  • TD=(TL%16)*10/16;
  • Display_Integer(TN);
  • Display_Decimal(TD);
  • delay1ms(10);
  • }
  • if(tempswitch==1)
  • {
  • if(TN>=Maxtemp)
  • {
  • Write_Address(0x03);
  • delay1ms(5);
  • displayovert();
  • while(1)
  • {
  • baojing(1);
  • if(CANL==0)
  • {
  • Write_com(0x01);
  • delay1ms(5);
  • break;
  • }
  • }
  • }
  • }
  • if(CANL==0) break;
  • }
  • }
  • }
  • void tempset(void)
  • {
  • if(ADD==0)
  • {
  • delay1ms(10);
  • if(ADD==0)
  • {
  • Maxtemp++;
  • while(ADD==0);
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(10);
  • if(RED==0)
  • {
  • Maxtemp--;
  • while(RED==0);
  • }
  • }
  • }
  • void Maxtempset(void) //高温报警设置
  • {
  • Write_com(0x01);
  • delay1ms(10);
  • Write_Address(0x03);
  • delay1ms(10);
  • Write_Date('T');
  • Write_Date('E');
  • Write_Date('M');
  • Write_Date('P');
  • Write_Address(0x09);
  • Write_Date('S');
  • Write_Date('E');
  • Write_Date('T');
  • Write_Address(0x40);
  • Write_Date('M');
  • Write_Date('A');
  • Write_Date('X');
  • Write_Date(':');
  • while(1)
  • {
  • if(SET==0)
  • {
  • delay1ms(20);
  • if(SET==0)
  • {
  • Write_Address(0x4e);
  • Write_com(0x0f);
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(20);
  • if(ADD==0)
  • {
  • Write_Address(0x4b);
  • delay1ms(5);
  • Write_Date('O');
  • Write_Date('N');
  • Write_Date(' ');
  • tempswitch=1;
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(20);
  • if(RED==0)
  • {
  • Write_Address(0x4b);
  • Write_Date('O');
  • Write_Date('F');
  • Write_Date('F');
  • tempswitch=0;
  • }
  • }
  • if(CANL==0)
  • {
  • delay1ms(500);
  • break;
  • }
  • }
  • }
  • }
  • if(tempswitch==1)
  • {
  • Write_Address(0x4b);
  • Write_Date('O');
  • Write_Date('N');
  • Write_Date(' ');
  • tempset();
  • displaymaxt(Maxtemp);
  • if(CANL==0)
  • {
  • Write_com(0x01);
  • displaymainpart();
  • break;
  • }
  • }
  • if(tempswitch==0)
  • {
  • Write_com(0x0c);
  • Write_Address(0x4b);
  • Write_Date('O');
  • Write_Date('F');
  • Write_Date('F');
  • }
  • if(CANL==0)
  • {
  • Write_com(0x01);
  • displaymainpart();
  • break;
  • }
  • }
  • }
  • void alarmswitchset(void)
  • {
  • while(1)
  • {
  • if(ADD==0)
  • {
  • delay1ms(100);
  • if(ADD==0)
  • {
  • alarmmode=1;
  • Write_Address(0x4c);
  • Write_Date('O');
  • Write_Date('N');
  • Write_Date(' ');
  • }
  • }
  • if(RED==0)
  • {
  • alarmmode=0;
  • Write_Address(0x4c);
  • Write_Date('O');
  • Write_Date('F');
  • Write_Date('F');
  • }
  • if(CANL==0)
  • {
  • delay1ms(500);
  • break;
  • }
  • }
  • }
  • /**************** 设置模块******************/
  • void Set(void)
  • {
  • if(SET==0)
  • {
  • delay1ms(10);
  • if(SET==0)
  • {

  • Write_Address(0x40);
  • Write_Date('T');
  • Write_com(0x0f);
  • delay1ms(1000);
  • Write_com(0x0c);
  • while(1)
  • {
  • TimeSet();
  • if(ADD==0)
  • {
  • delay1ms(20);
  • if(ADD==0)
  • {
  • Write_com(0x01);
  • Write_Address(0x00);
  • delay1ms(5);
  • Write_Date('S');
  • delay1ms(10);
  • Maxtempset();
  • }
  • }
  • if(RED==0)
  • {
  • delay1ms(20);
  • if(RED==0)
  • {
  • Write_com(0x01);
  • delay1ms(5);
  • Write_Address(0x02);
  • Write_Date('A');
  • Write_Date('L');
  • Write_Date('A');
  • Write_Date('R');
  • Write_Date('M');
  • Write_Address(0x09);
  • Write_Date('S');
  • Write_Date('E');
  • Write_Date('T');
  • Write_Address(0x46);
  • Write_Date('-');
  • display_houra(houra);
  • display_minutea(minutea);
  • if(alarmmode==1)
  • {
  • Write_Address(0x4c);
  • Write_Date('O');
  • Write_Date('N');
  • Write_Date(' ');
  • }
  • if(alarmmode==0)
  • {
  • Write_Address(0x4c);
  • Write_Date('O');
  • Write_Date('F');
  • Write_Date('F');
  • }
  • while(1)
  • {
  • if(SET==0)
  • {
  • delay1ms(100);
  • if(SET==0)
  • {
  • amode++;
  • switch(amode)
  • {
  • case(1):{gbdisplay(0x45);alarmhourset();Write_com(0x0c);delay1ms(500);} break;
  • case(2):{gbdisplay(0x48);alarmminuteset();Write_com(0x0c);delay1ms(500);} break;
  • case(3):{gbdisplay(0x4c);alarmswitchset();Write_com(0x0c);delay1ms(500);} break;
  • }
  • if(amode==4) amode=0;
  • }
  • }
  • if(CANL==0)
  • {
  • Write_com(0x01);
  • delay1ms(5);
  • displaymainpart();
  • break;
  • }
  • }
  • }
  • }
  • if(CANL==0)
  • {
  • Write_Address(0x40);
  • Write_Date(' ');
  • Write_com(0x0c);
  • break;
  • }
  • }
  • }
  • }
  • }
  • /***************主函数**********************/
  • void main()
  • {
  • IE=0X82; //打开定时中断
  • TMOD=0X01; //选择定时器0 工作在方式1
  • TR0=0; //启动定时器0
  • IntDS1302(); //初始化DS1302
  • delay1ms(1);
  • Lcd_Int(); //1602 液晶初始化
  • delay1ms(2);
  • displaystar(); //显示欢迎界面
  • displaymainpart(); //显示主要部分（不变化）
  • while(1)
  • {
  • display_Time( );
  • Set( );
  • if(ADD==0)
  • {
  • Write_com(0x01);
  • delay1ms(5);
  • Temperature();
  • Write_com(0x01);
  • displaymainpart();
  • }
  • if((hours==houra)&&(minutes==minutea)&&(seconds==0))
  • {
  • if(alarmmode==1)
  • {
  • Write_com(0x01);
  • delay1ms(5);
  • Write_Address(0x03);
  • Write_Date('T');
  • Write_Date('I');
  • Write_Date('M');
  • Write_Date('E');
  • Write_Address(0x08);
  • Write_Date('U');
  • Write_Date('P');
  • Write_Date('!');
  • delay1ms(5);
  • while(1)
  • {
  • baojing(1);
  • if(CANL==0)
  • {
  • Write_com(0x01);
  • delay1ms(5);
  • displaymainpart();
  • break;
  • }
  • }
  • }
  • }
  • }
  • }
  		•

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