时钟电路图：PCB板：单片机程序：/*=========================================================== =========调试要求：1.MCU:AT89S52芯片或AT89C522.晶振:12MHz功能：多功能时钟+温度计============================================================= =======*/#include<reg52.h>#include<intrins.h>#define uchar unsigned char#define uint unsigned intsbit dis_bit1=P2^7;//定义数码管控制口sbit dis_bit2=P2^6;//定义数码管控制口sbit dis_bit3=P2^4;//定义数码管控制口sbit dis_bit4=P2^3;//定义数码管控制口sbit dis_bit5=P2^1;//定义数码管控制口sbit dis_bit6=P2^0;//定义数码管控制口sbit led1_bit=P2^2;//定时LED的控制口sbit led2_bit=P2^5;//定时LED的控制口sbit s1_bit=P1^0; //定义S1控制口sbit s2_bit=P1^1; //定义S2控制口sbit s3_bit=P1^2; //定义S3控制口sbit dq_ds18b20=P3^3;//定义控制DS18B20sbit speak=P3^7; //定义蜂鸣器控制口sbit clk_ds1302=P3^6;//定义控制DS1302的时钟线sbit io_ds1302=P3^5;//定义控制DS1302的串行数据sbit rest_ds1302=P3^4;#define smg_data P0//定义数码管数据口void delay_3us();//3US的延时程序void delay_8us(uint t);//8US延时基准程序void delay_50us(uint t);//延时50*T微妙函数的声明void display1(uchar dis_data);//数码管1显示子程序void display2(uchar dis_data);//数码管2显示子程序void display3(uchar dis_data);//数码管3显示子程序void display4(uchar dis_data);//数码管4显示子程序void display5(uchar dis_data);//数码管5显示子程序void display6(uchar dis_data);//数码管6显示子程序void init_t0();//定时器0初始化函数void dis_led();//LED处理函数void judge_s1();//S1按键处理函数void judge_s2();//S2按键处理函数void judge_s3();//S3按键处理函数void dis(uchar s6,uchar s5,uchar s4,uchar s3,uchar s2,uchar s1);//显示子程序void dis_san(uchar s6,uchar s5,uchar s4,uchar s3,uchar s2,uchar s1,uchar san);//闪烁显示子程序void judge_dis();//显示处理函数void judge_clock();//显示处理函数void set_ds1302();//设置时间void get_ds1302();//读取当前时间void w_1byte_ds1302(uchar t);//向DS1302写一个字节的数据uchar r_1byte_ds1302();//从DS1302读一个字节的数据//******************************************************************** ***//DS18B20测温函数定义void w_1byte_ds18b20(uchar value);//向DS18B20写一个字节uchar r_1byte_ds18b20(void);//从DS18B20读取一个字节的数据void rest_ds18b20(void);//DS18B20复位程序void readtemp_ds18b20(void);//读取温度void dis_temp();//温度显示函数//共阳数码管断码表const uchar tabl1[16]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,// 0 1 2 3 4 50x82,0xf8,0x80,0x90,0x86,0x87,0xFF,//6 7 8 9 E T B0xc6,0xbf,0xff};// C -const uchar tabl3[]={0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x04,0x05,0x06,0x06,0x07,0x08,0x0 8,0x09,0x09};uchar t0_crycle;uchar hour_count,minute_count,second_count,msecond_count;uchar clock_hour,clock_minute;uchar countdown_second;uchar countdown_hour,countdown_minute;uchar clock_en;//闹钟关闭和开启的标志，1开启，0关闭uchar flag1,second_flag,zancun1,zancun2,zancun3;uchar zancun4,zancun5,zancun6,zancun7;uchar clock_flag,countdown_flag;uchar msecond_minute,msecond_second,msecond_msecond,msecond_flag;//秒表相关参数uint speak_count;uchar templ,temph,temp_flag;uchar t_b,t_s,t_g,t_x,temp_flag2;//从左到右分别存储温度百位，十位，个位，小数位uchar tab23[3];//={0x40,0x59,0x23,0x28,0x11,0x06,0x09};//上电时默认的时间//主程序void main(){P3=0x00;flag1=0;zancun3=0;msecond_minute=0;//置秒表相关参数为0msecond_second=0;msecond_msecond=0;speak=1;//关闭蜂鸣器speak_count=0;clock_hour=0;clock_minute=0;clock_flag=0;countdown_flag=0;//倒计时标志位为0clock_en=0;//开机时默认关闭闹钟init_t0();TR0=1;//// set_ds1302();//设置DS1302的初始时间//接下来开始编写让数码管显示的程序while(1){get_ds1302();judge_dis();//显示处理judge_s1();judge_s2();judge_s3();judge_clock();//闹钟处理程序}}void timer0() interrupt 1{TH0=(65536-50000)/256;TL0=(65536-50000)%256;t0_crycle++;if(t0_crycle==2)// 0.1秒{t0_crycle=0;msecond_flag=1;msecond_count++;if(msecond_count==10)//1秒{msecond_count=0;second_flag=1;}}}//************************************************** //显示处理函数void judge_dis(){if(flag1==0){if(second_flag==1){zancun7++;second_flag=0;}if(zancun7<1){if(temp_flag2==1){readtemp_ds18b20();//读取温度temp_flag2=0;}dis_temp();//温度显示函数}if(zancun7>=1){temp_flag2=1;zancun4=hour_count&0xf0;zancun4>>=4;zancun5=minute_count&0xf0;zancun5>>=4;zancun6=second_count&0xf0;zancun6>>=4;dis(zancun4,hour_count&0x0f,zancun5,minute_count&0x0f,zancun6,second_count& 0x0f);dis_led();if(zancun7==5)zancun7=0;}}if(flag1!=0){switch(flag1){case 1:dis(5,10,11,1,12,12);//显示SET1led1_bit=1;led2_bit=1;break;case 2:dis(5,10,11,2,12,12);//显示SET2break;case 3:dis(5,10,11,3,12,12);//显示SET3break;case 4:dis(5,10,11,4,12,12);//显示SET4break;case 5:dis(5,10,11,5,12,12);//显示SET5break;case 6:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,1);break;case 7:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,2);break;case 8:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,3);break;case 9://进入修改时间，时间分位个位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,4);break;case 10://进入修改闹钟，闹钟小时十位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,1);break;case 11://进入修改闹钟，闹钟小时个位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,2);break;case 12://进入修改闹钟，闹钟小时十位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,3);break;case 13://进入修改闹钟，闹钟小时个位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,4);break;case 14://进入修改闹钟的开关dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,6);break;case 15:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 1);break;case 16:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 2);break;case 17:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 3);break;case 18:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 4);break;case 19:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 5);break;case 20:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 6);break;case 21:if(second_flag==1){second_flag=0;countdown_second--;if(countdown_second==255){countdown_second=59;countdown_minute--;if(countdown_minute==255){countdown_minute=59;countdown_hour--;if(countdown_hour==255){flag1=22;countdown_minute=0;countdown_hour=0;countdown_second=0;countdown_flag=1;}}}}dis(countdown_hour/10,countdown_hour%10,countdown_minute/10,countdown_min ute%10,countdown_second/10,countdown_second%10);//break;case 22:if(countdown_flag>0 && countdown_flag<7){speak=0;if(second_flag==1){second_flag=0;countdown_flag++;}}else{speak=1;}dis(countdown_hour/10,countdown_hour%10,countdown_minute/10,countdown_min ute%10,countdown_second/10,countdown_second%10);//break;case 23:dis(msecond_minute/10,msecond_minute%10,msecond_second/10,msecond_second %10,msecond_msecond%10,12);break;case 24:if(msecond_flag==1){msecond_flag=0;msecond_msecond++;if(msecond_msecond==10){msecond_msecond=0;msecond_second++;if(msecond_second==60){msecond_second=0;msecond_minute++;if(msecond_minute==100){msecond_minute=99;flag1=23;}}}}dis(msecond_minute/10,msecond_minute%10,msecond_second/10,msecond_second %10,msecond_msecond%10,12);break;case 25:dis(zancun3/10,zancun3%10,zancun2/10,zancun2%10,zancun1/10,zancun1%10);break;default:break;}}}//**************************************************//S1按键处理函数void judge_s1(){s1_bit=1;//置IO为1，准备读入收据if(s1_bit==0)//判断是否有按键按下{delay_50us(1);// 延时，去除机械抖动if(s1_bit==0){switch(flag1){case 0:case 1:case 2:case 3:case 4:case 6:case 7:case 8:case 10:case 11:case 12:case 13:case 15:case 16:case 17:case 18:case 19:flag1++;break;case 9:flag1=6;break;case 14:flag1=10;break;case 20:flag1=15;break;case 5:case 21:case 22:case 23://系统从秒表状态复位case 24://系统从秒表状态复位case 25://系统从计数器复位flag1=0;break;default:break;}while(s1_bit==0){judge_dis();}//等待按键释放}}}//************************************************** //S2按键处理函数void judge_s2(){s2_bit=1;//置IO为1，准备读入收据if(s2_bit==0)//判断是否有按键按下{delay_50us(1);// 延时，去除机械抖动if(s2_bit==0){switch (flag1){case 1: //在显示SET1状态下按S2件，进入修改时间flag1=6;zancun4=hour_count&0xf0;zancun4>>=4;zancun6=hour_count&0x0f;zancun1=zancun4*10+zancun6;//zancun1=hour_count;zancun5=minute_count&0xf0;zancun5>>=4;zancun6=minute_count&0x0f;zancun2=zancun5*10+zancun6;// zancun2=minute_count;break;case 2://在显示SET2状态下按S2，进入设置闹钟zancun1=clock_hour;zancun2=clock_minute;flag1=10;break;case 6://修改时钟小时十位状态下按S2件case 7://修改时钟小时个位状态下按S2件case 8://修改时钟分钟十位状态下按S2件case 9://修改时钟分钟个位状态下按S2件//zancun4=zancun1/10;tab23[2]=zancun1/10*16+zancun1%10;//zancun5=zancun2&0xf0;//zancun5>>=4;tab23[1]=zancun2/10*16+zancun2%10;hour_count=tab23[2];minute_count=tab23[1];second_count=0;tab23[0]=0;set_ds1302();//设置DS1302的初始时间flag1=0;break;case 10://修改闹钟小时十位状态下按S2case 11://修改闹钟小时个位状态下按S2case 12://修改闹钟分钟十位状态下按S2case 13://修改闹钟分钟个位状态下按S2case 14://修改闹钟使能状态下按S2 clock_hour=zancun1;clock_minute=zancun2;clock_en=zancun3;flag1=0;break;case 3:flag1=15;zancun1=countdown_hour;zancun2=countdown_minute;zancun3=countdown_second;break;case 15:case 16:case 17:case 18:case 19:case 20:countdown_hour=zancun1;countdown_minute=zancun2;countdown_second=zancun3;flag1=21;countdown_flag=0;break;case 22:flag1=21;break;case 21:flag1=22;break;case 4:flag1=23;//秒表暂停msecond_minute=0;msecond_second=0;msecond_msecond=0;break;case 23:flag1=24;break;case 24:flag1=23;break;case 5:flag1=25;//进入计数器模式zancun2=0;zancun3=0;break;default:break;}while(s2_bit==0){judge_dis();}//等待按键释放}}}//**************************************************//S3按键处理函数void judge_s3(){s3_bit=1;//置IO为1，准备读入收据if(s3_bit==0)//判断是否有按键按下{delay_50us(1);// 延时，去除机械抖动if(s3_bit==0){switch (flag1){case 6://修改时间小时的十位数zancun1+=10;if(zancun1>=24)zancun1=zancun1%10;break;case 7://修改时间小时的个位数zancun1=zancun1/10*10+(zancun1%10+1)%10;if(zancun1>=24)zancun1=20;break;case 8://修改时间分钟的十位数zancun2+=10;if(zancun2>=60)zancun2-=60;break;case 9://修改时间分钟的个位数zancun2=zancun2/10*10+(zancun2%10+1)%10;break;case 10://修改闹钟小时的十位数if(zancun1>=24)zancun1=zancun1%10;break;case 11://修改闹钟小时的个位数zancun1=zancun1/10*10+(zancun1%10+1)%10;if(zancun1>=24)zancun1=20;break;case 12://修改闹钟分钟的十位数zancun2+=10;if(zancun2>=60)zancun2-=60;break;case 13://修改闹钟分钟的个位数zancun2=zancun2/10*10+(zancun2%10+1)%10;break;case 14:zancun3^=1;break;case 15://修改倒计时小时的十位数zancun1+=10;if(zancun1>=100)zancun1-=100;break;case 16: //修改倒计时小时的个位数zancun1=zancun1/10*10+(zancun1%10+1)%10;break;case 17://修改倒计时分钟的十位数zancun2+=10;if(zancun2>=60)zancun2-=60;break;case 18: //修改倒计时分钟的个位数zancun2=zancun2/10*10+(zancun2%10+1)%10;break;case 19://修改倒计时秒的十位数zancun3+=10;if(zancun3>=60)zancun3-=60;break;case 20: //修改倒计时秒的个位数zancun3=zancun3/10*10+(zancun3%10+1)%10;break;case 21:case 22://countdown_hour=zancun1;countdown_minute=zancun2;countdown_second=zancun3;flag1=21;break;case 23:case 24://秒表复位flag1=24;msecond_minute=0;msecond_second=0;msecond_msecond=0;break;case 25:zancun1++;if(zancun1==100){zancun1=0;zancun2++;if(zancun2==100){zancun2=0;zancun3++;}}break;default:break;}while(s3_bit==0){judge_dis();}//等待按键释放}}}//**************************************** //显示处理函数void judge_clock(){zancun4=hour_count&0xf0;zancun4>>=4;zancun6=hour_count&0x0f;zancun4*=10;zancun4+=zancun6;zancun5=minute_count&0xf0;zancun5>>=4;zancun6=minute_count&0x0f;zancun5*=10;zancun5+=zancun6;if(clock_hour==zancun4 && clock_minute==zancun5){if(clock_en==1 && clock_flag==0){speak_count=0;//开启蜂鸣器clock_flag=1;speak_count=0;}}else{clock_flag=0;}if(clock_flag==1 && speak_count<400){if(msecond_count<=5){speak=0;speak_count++;}else{speak=1;}}else{speak=1;}}//****************************************////闪烁显示子程序void dis_san(uchar s6,uchar s5,uchar s4,uchar s3,uchar s2,uchar s1,uchar san) {if(san==1){if(msecond_count<5){display1(s6);}else{display1(s6);}if(san==2){if(msecond_count<5){display2(s5);}}else{display2(s5);}if(san==3){if(msecond_count<5){display3(s4);}}else{display3(s4);}if(san==4){if(msecond_count<5){display4(s3);}}else{display4(s3);}if(san==5){if(msecond_count<5){display5(s2);}else{display5(s2);}if(san==6){if(msecond_count<5){display6(s1);}}else{display6(s1);}}//****************************************//时钟显示程序void dis(uchar s6,uchar s5,uchar s4,uchar s3,uchar s2,uchar s1){display1(s6);display2(s5);display3(s4);display4(s3);display5(s2);display6(s1);}//******************************************************************** ************************void init_t0(){TMOD=0x01;//设定定时器工作方式1，定时器定时50毫秒TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;//开总中断ET0=1;//允许定时器0中断t0_crycle=0;//定时器中断次数计数单元}//**************************************************//LED处理函数void dis_led(){if(msecond_count<5){led1_bit=1;led2_bit=1;}else{led1_bit=0;led2_bit=0;}}//*************************************************************** //功能：把数据1显示在数码管1上void display6(uchar dis_data){smg_data=tabl1[dis_data];//送显示断码dis_bit6=0;//锁存数据delay_50us(40);dis_bit6=1;}//*************************************************************** //功能：把数据1显示在数码管1上void display5(uchar dis_data){smg_data=tabl1[dis_data];//送显示断码dis_bit5=0;//锁存数据delay_50us(40);dis_bit5=1;}//*************************************************************** //功能：把数据1显示在数码管1上void display4(uchar dis_data){smg_data=tabl1[dis_data];//送显示断码dis_bit4=0;//锁存数据delay_50us(40);dis_bit4=1;}//*************************************************************** //功能：把数据1显示在数码管1上void display3(uchar dis_data){smg_data=tabl1[dis_data];//送显示断码dis_bit3=0;//锁存数据delay_50us(40);dis_bit3=1;}//***************************************************************//功能：把数据1显示在数码管1上void display1(uchar dis_data){smg_data=tabl1[dis_data];//送显示断码dis_bit1=0;//锁存数据delay_50us(40);dis_bit1=1;}//***************************************************************//功能：把数据1显示在数码管1上void display2(uchar dis_data){smg_data=tabl1[dis_data];//送显示断码dis_bit2=0;//锁存数据delay_50us(40);dis_bit2=1;}//******************************************************************** ******************************//函数名称：void delay_50US(unsigned int t)//功能：延时50*t(us)void delay_50us(uint t){unsigned char j;for(;t>0;t--){for(j=19;j>0;j--);}}//******************************************************************** ***********//8微秒延时基准程序void delay_8us(uint t){while(--t);}//******************************************************************** ***********//3微秒延时程序void delay_3us(){;;}//******************************************************************** ***********//子程序功能：向DS18B20写一字节的数据void w_1byte_ds18b20(uchar value){uchar i=0;for(i=0;i<8;i++){dq_ds18b20=1;delay_3us();dq_ds18b20=0;delay_8us(2);if (value& 0x01) dq_ds18b20=1; //DQ = 1delay_50us(1); //延时50us 以上delay_8us(2);value>>=1;}dq_ds18b20=1; //DQ = 1}//读一个字节uchar r_1byte_ds18b20(void){uchar i=0;uchar value= 0;for (i=0;i<8;i++){value>>=1;dq_ds18b20=0;// DQ_L;delay_3us();dq_ds18b20=1; //DQ_H;delay_8us(2);if(dq_ds18b20==1) value|=0x80;delay_8us(6); //延时40us}dq_ds18b20=1;return value;}//;**************************************************//ds18b20复位子程序void rest_ds18b20(void){rest:delay_3us(); //稍做延时delay_3us();dq_ds18b20=1;delay_3us();dq_ds18b20=0;// DQ_L;delay_50us(11);//480us<T<960usdq_ds18b20=1;//拉高总线delay_8us(5);if(dq_ds18b20==1){return;}delay_50us(2); //延时90usif(dq_ds18b20==1){return;}else{goto rest;}}//****************************************************//读取温度void readtemp_ds18b20(void){uchar temp32;rest_ds18b20();w_1byte_ds18b20(0xcc); //跳过读序列号的操作w_1byte_ds18b20(0x44); //启动温度转换delay_8us(2);rest_ds18b20();w_1byte_ds18b20(0xcc); //跳过读序列号的操作w_1byte_ds18b20(0xbe); //读取温度寄存器等（共可读9个寄存器）前两个就是温度templ=r_1byte_ds18b20();temph=r_1byte_ds18b20();if((temph&0xf0))//判断温度的正负性{temp_flag=0;//温度为负数标志temph=-temph;templ=-templ;t_x=tabl3[templ & 0x0f];//计算温度的小数temp32=temph & 0x0f;temp32<<=4;templ>>=4;temp32=temp32 | templ;t_b=temp32/100%10;//计算温度的百位数据t_s=temp32/10%10;//计算温度的十位数据t_g=temp32%10;//计算温度的个位数据}else//为正数{t_x=tabl3[templ & 0x0f];//计算温度的小数temp32=temph & 0x0f;temp32<<=4;templ>>=4;temp32=temp32 | templ;t_b=temp32/100%10;//计算温度的百位数据t_s=temp32/10%10;//计算温度的十位数据t_g=temp32%10;//计算温度的个位数据temp_flag=1;}}void dis_temp()//温度显示函数{if(temp_flag=1){if(t_b==0){dis(12,12,t_s,t_g,13,12);}else{dis(12,t_b,t_s,t_g,13,12);}}else{dis(14,t_b,t_s,t_g,13,12);}}//;################################################################### ###########//;子程序名：w_1byte_ds1302//;功能：向DS1302写一个字节的数据void w_1byte_ds1302(uchar t){uchar i;for(i=0;i<8;i++){if(t & 0x01){io_ds1302=1;}else{io_ds1302=0;}clk_ds1302=1;delay_3us();delay_3us();clk_ds1302=0;delay_3us();delay_3us();t>>=1;}}//;################################################################### #####//;子程序名：r_1byte_ds1302()//;功能：从DS1302读一个字节的数据uchar r_1byte_ds1302(){uchar i,temp11=0;io_ds1302=1;//置IO为1，准备读入数据for(i=0;i<8;i++){temp11>>=1;if(io_ds1302) temp11 |= 0x80;clk_ds1302=1;delay_3us();delay_3us();clk_ds1302=0;delay_3us();}return(temp11);}//;################################################################### ##############//;子程序名：setbds1302//;功能：设置DS1302初始时间,并启动计时void set_ds1302(){uchar i,j;rest_ds1302=0;delay_3us();clk_ds1302=0;delay_3us();rest_ds1302=1;delay_3us();w_1byte_ds1302(0x8e);//写控制命令字delay_3us();w_1byte_ds1302(0x00);//写保护关闭clk_ds1302=1;delay_3us();rest_ds1302=0;for(i=0,j=0x80;i<7;i++,j+=2){rest_ds1302=0;delay_3us();clk_ds1302=0;delay_3us();rest_ds1302=1;delay_3us();w_1byte_ds1302(j);delay_3us();w_1byte_ds1302(tab23[i]);delay_3us();delay_3us();clk_ds1302=1;delay_3us();rest_ds1302=0;delay_3us();delay_3us();}rest_ds1302=0;delay_3us();clk_ds1302=0;delay_3us();rest_ds1302=1;delay_3us();w_1byte_ds1302(0x8e);delay_3us();w_1byte_ds1302(0x80);clk_ds1302=1;delay_3us();rest_ds1302=0;delay_3us();}//;#################################################################-------//;子程序名：get1302void get_ds1302(){uchar temp11[7],i,j;for(i=0;i<7;i++){temp11[i]=0;}for(i=0,j=0x81;i<7;i++,j+=2){rest_ds1302=0;delay_3us();clk_ds1302=0;delay_3us();rest_ds1302=1;delay_3us();w_1byte_ds1302(j);temp11[i]=r_1byte_ds1302();delay_3us();clk_ds1302=1;delay_3us();rest_ds1302=0;delay_3us();}if(temp11[0]!=0xff){second_count=temp11[0];}if(temp11[1]!=0xff)// 数据验证{minute_count=temp11[1];}if(temp11[2]!=0xff)//数据验证{hour_count=temp11[2];}// date=temp[3];//month=temp[4];// week=temp[5];//year=temp[6];}/*=========================================================== =========调试要求：1.MCU:AT89S52芯片或AT89C522.晶振:12MHz功能：多功能时钟+温度计============================================================= =======*/#include<reg52.h>#include<intrins.h>#define uchar unsigned char#define uint unsigned intsbit dis_bit1=P2^7;//定义数码管控制口sbit dis_bit2=P2^6;//定义数码管控制口sbit dis_bit3=P2^4;//定义数码管控制口sbit dis_bit4=P2^3;//定义数码管控制口sbit dis_bit5=P2^1;//定义数码管控制口sbit dis_bit6=P2^0;//定义数码管控制口sbit led1_bit=P2^2;//定时LED的控制口sbit led2_bit=P2^5;//定时LED的控制口sbit s1_bit=P1^0; //定义S1控制口sbit s2_bit=P1^1; //定义S2控制口sbit s3_bit=P1^2; //定义S3控制口sbit dq_ds18b20=P3^3;//定义控制DS18B20sbit speak=P3^7; //定义蜂鸣器控制口sbit clk_ds1302=P3^6;//定义控制DS1302的时钟线sbit io_ds1302=P3^5;//定义控制DS1302的串行数据sbit rest_ds1302=P3^4;#define smg_data P0//定义数码管数据口void delay_3us();//3US的延时程序void delay_8us(uint t);//8US延时基准程序void delay_50us(uint t);//延时50*T微妙函数的声明void display1(uchar dis_data);//数码管1显示子程序void display2(uchar dis_data);//数码管2显示子程序void display3(uchar dis_data);//数码管3显示子程序void display4(uchar dis_data);//数码管4显示子程序void display5(uchar dis_data);//数码管5显示子程序void display6(uchar dis_data);//数码管6显示子程序void init_t0();//定时器0初始化函数void dis_led();//LED处理函数void judge_s1();//S1按键处理函数void judge_s2();//S2按键处理函数void judge_s3();//S3按键处理函数void dis(uchar s6,uchar s5,uchar s4,uchar s3,uchar s2,uchar s1);//显示子程序void dis_san(uchar s6,uchar s5,uchar s4,uchar s3,uchar s2,uchar s1,uchar san);//闪烁显示子程序void judge_dis();//显示处理函数void judge_clock();//显示处理函数void set_ds1302();//设置时间void get_ds1302();//读取当前时间void w_1byte_ds1302(uchar t);//向DS1302写一个字节的数据uchar r_1byte_ds1302();//从DS1302读一个字节的数据//******************************************************************** ***//DS18B20测温函数定义void w_1byte_ds18b20(uchar value);//向DS18B20写一个字节uchar r_1byte_ds18b20(void);//从DS18B20读取一个字节的数据void rest_ds18b20(void);//DS18B20复位程序void readtemp_ds18b20(void);//读取温度void dis_temp();//温度显示函数//共阳数码管断码表const uchar tabl1[16]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,// 0 1 2 3 4 50x82,0xf8,0x80,0x90,0x86,0x87,0xFF,//6 7 8 9 E T B0xc6,0xbf,0xff};// C -const uchar tabl3[]={0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x04,0x05,0x06,0x06,0x07,0x08,0x0 8,0x09,0x09};uchar t0_crycle;uchar hour_count,minute_count,second_count,msecond_count;uchar clock_hour,clock_minute;uchar countdown_second;uchar countdown_hour,countdown_minute;uchar clock_en;//闹钟关闭和开启的标志，1开启，0关闭uchar flag1,second_flag,zancun1,zancun2,zancun3;uchar zancun4,zancun5,zancun6,zancun7;uchar clock_flag,countdown_flag;uchar msecond_minute,msecond_second,msecond_msecond,msecond_flag;//秒表相关参数uint speak_count;uchar templ,temph,temp_flag;uchar t_b,t_s,t_g,t_x,temp_flag2;//从左到右分别存储温度百位，十位，个位，小数位uchar tab23[3];//={0x40,0x59,0x23,0x28,0x11,0x06,0x09};//上电时默认的时间//主程序void main(){P3=0x00;flag1=0;zancun3=0;msecond_minute=0;//置秒表相关参数为0msecond_second=0;msecond_msecond=0;speak=1;//关闭蜂鸣器speak_count=0;clock_hour=0;clock_minute=0;clock_flag=0;countdown_flag=0;//倒计时标志位为0clock_en=0;//开机时默认关闭闹钟init_t0();TR0=1;//// set_ds1302();//设置DS1302的初始时间//接下来开始编写让数码管显示的程序while(1){get_ds1302();judge_dis();//显示处理judge_s1();judge_s2();judge_s3();judge_clock();//闹钟处理程序}}void timer0() interrupt 1{TH0=(65536-50000)/256;TL0=(65536-50000)%256;t0_crycle++;if(t0_crycle==2)// 0.1秒{t0_crycle=0;msecond_flag=1;msecond_count++;if(msecond_count==10)//1秒{msecond_count=0;second_flag=1;}}}//**************************************************//显示处理函数void judge_dis(){if(flag1==0){if(second_flag==1){zancun7++;second_flag=0;}if(zancun7<1){if(temp_flag2==1){readtemp_ds18b20();//读取温度temp_flag2=0;}dis_temp();//温度显示函数}if(zancun7>=1){temp_flag2=1;zancun4=hour_count&0xf0;zancun4>>=4;zancun5=minute_count&0xf0;zancun5>>=4;zancun6=second_count&0xf0;zancun6>>=4;dis(zancun4,hour_count&0x0f,zancun5,minute_count&0x0f,zancun6,second_count& 0x0f);dis_led();if(zancun7==5)zancun7=0;}}if(flag1!=0){switch(flag1){case 1:dis(5,10,11,1,12,12);//显示SET1led1_bit=1;led2_bit=1;break;case 2:dis(5,10,11,2,12,12);//显示SET2break;case 3:dis(5,10,11,3,12,12);//显示SET3break;case 4:dis(5,10,11,4,12,12);//显示SET4break;case 5:dis(5,10,11,5,12,12);//显示SET5break;case 6:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,1);break;case 7:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,2);break;case 8:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,3);break;case 9://进入修改时间，时间分位个位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,4);break;case 10://进入修改闹钟，闹钟小时十位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,1);break;case 11://进入修改闹钟，闹钟小时个位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,2);break;case 12://进入修改闹钟，闹钟小时十位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,3);break;case 13://进入修改闹钟，闹钟小时个位闪烁dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,4);break;case 14://进入修改闹钟的开关dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,6);break;case 15:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 1);break;case 16:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 2);break;case 17:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 3);break;case 18:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 4);break;case 19:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 5);break;case 20:dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,zancun3/10,zancun3%10, 6);break;case 21:if(second_flag==1){second_flag=0;countdown_second--;if(countdown_second==255){。