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          EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > DS18b20與1602搭配,還帶高低溫(可調(diào))報警

          DS18b20與1602搭配,還帶高低溫(可調(diào))報警

          作者: 時間:2016-12-02 來源:網(wǎng)絡(luò) 收藏
          #include

          #define uchar unsigned char
          #define uint unsigned int
          sbit DQ=P1^6;//ds18b20與單片機連接口
          sbit RS=P1^0;
          sbit RW=P1^1;
          sbit EN=P1^2;
          sbit BEEP=P1^7;
          //unsigned char code str1[]={" "};
          unsigned char code str2[]={" "};
          uchardatadisdata[5];
          uint tvalue;//溫度值
          uchar tflag;//溫度正負(fù)標(biāo)志
          uchar hshi,hge,Th=25;
          uchar Tl=20,lshi,lge;

          本文引用地址:http://www.ex-cimer.com/article/201612/324682.htm

          sbit s1=P2^3; //功能
          sbit s2=P2^2; //加
          sbit s3=P2^1; //減
          sbit gnd=P2^5;
          uchar s1num;

          /*************************lcd1602程序**************************/
          void delay1ms(unsigned int ms)//延時1毫秒(不夠精確的)
          {unsigned int i,j;
          for(i=0;i for(j=0;j<100;j++);
          }

          void wr_com(unsigned char com)//寫指令//
          { delay1ms(1);
          RS=0;
          RW=0;
          EN=0;
          P0=com;
          delay1ms(1);
          EN=1;
          delay1ms(1);
          EN=0;
          }
          void wr_dat(unsigned char dat)//寫數(shù)據(jù)//
          { delay1ms(1);;
          RS=1;
          RW=0;
          EN=0;
          P0=dat;
          delay1ms(1);
          EN=1;
          delay1ms(1);
          EN=0;
          }
          void lcd_init()//初始化設(shè)置//
          {delay1ms(15);
          wr_com(0x38);delay1ms(5);
          wr_com(0x80);delay1ms(5);
          wr_com(0x01);delay1ms(5);
          wr_com(0x06);delay1ms(5);
          wr_com(0x0c);delay1ms(5);
          }
          void display(unsigned char *p)//顯示//
          {
          while(*p!=看屁屁www成人影院,亚洲人妻成人图片,亚洲精品成人午夜在线,日韩在线 欧美成人 (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })();