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1、此文档收集于网络，如有侵权，请联系网站删除附1：源程序代码一、主机#include#defineucharunsignedchar#defineuintunsignedintsbitbeep=P3^5;unsignedcharcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};ucharRecData;uchartmp;uintwei;sbitH1=P3^6;sbitL1=P0^5;sbitL2=P0^6;sbit
2、L3=P0^7;voidUART_int(){TMOD=0X21;TH1=0XFD;TL1=0XFD;SCON=0XD0;TH0=(65535-45872)/256;TL0=(65536-45872)%256;EA=1;TR1=1;TR0=1;ET0=1;ES=1;EA=1;TI=0;此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除}voiddelay(uintnum){while(num--);}voidkey(){H1=0;if(L1==0)delay(10);if(L1==0){RecData='b';wei=11;}while(!L1);if(L2=
3、=0)delay(10);if(L2==0){RecData='c';wei=12;}while(!L2);}voiddisplay(uinttemp)//显示程序{ucharA1,A2,A2t,A3;A1=temp/100;A2t=temp%100;A2=A2t/10;A3=A2t%10;此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除P1=table[wei];P0=0XFE;delay(50);P1=table[A1];//显示十位P0=0XFD;delay(50);P1=table[A2]
4、0x80;//显示个位P0=0XFB;delay(50);P
5、1=table[A3];//显示分位P0=0XF7;delay(50);}voidwarn(uints){uchari;i=s;beep=0;P2=0x00;while(i--){display(tmp);}beep=1;P2=0xff;i=s;while(i--){display(tmp);此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除}}voiddeal(uintt){if(t<=50){warn(10);}if(t>50&&t<=300){warn(50);}if(t>300){warn(10);}}voidputc_to(ucharc){SBUF=
6、c;while(TI==0)TI=0;}voidmain(){P1M0=0xff;P1M1=0x00;UART_int();while(1){key();display(tmp);TB8=1;putc_to(RecData);此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除deal(tmp);}}com_int(void)interrupt4{if(RI){tmp=SBUF;RI=0;}}voidintt0()interrupt1{ucharmiao,a,num;TH0=(65535-45872)/256;TL0=(65536-45872)%256;num+
7、+;if(num==20){num=0;miao++;if(miao==5){miao=0;a++;if(a==1){RecData='b';wei=11;}if(a==2){RecData='c';wei=12;a=0;此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除}}}}二、B从机#include#defineucharunsignedchar#defineuintunsignedintsbitDQ=P2^2;sbitbeep=P2^3;sbitled=P2^0;ucharRecData;unsignedcharcodetabl
8、e[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};voiddelay(uintnum){while(num--);}/****************************************************** 函数名称：voidInit_DS18B20(void) 返回值：无 参数：无 作用：初始化18B20 ***********************************
