51為基礎，LCD1602顯示，串口接收溫度

ID:915425 · 發(fā)表于 2021-5-7 22:57

#include<reg51.h>
#include"lcd.h"
#include"temp.h"

uchar CNCHAR[6] = "攝氏度";
void LcdDisplay(int);
void UsartConfiguration();

void main()
{
      UsartConfiguration();
      LcdInit();
      LcdWriteCom(0x88);·
      LcdWriteData('C');
      while(1)
      {
            LcdDisplay(Ds18b20ReadTemp());
//             Delay1ms(1000);
      }
}

void LcdDisplay(int temp)
{

      unsigned char i, datas[] = {0, 0, 0, 0, 0}
      float tp;
      if(temp< 0)
      {
               LcdWriteCom(0x80);
            SBUF='-'
            while(!TI);
            TI=0;
         LcdWriteData('-');

            temp=temp-1;
            temp=~temp;
            tp=temp;
            temp=tp*0.0625*100+0.5;
                        }
      else
      {
               LcdWriteCom(0x80);
         LcdWriteData('+');
            SBUF='+'
            while(!TI);
            tp=temp；
            temp=tp*0.0625*100+0.5;
                     }
      datas[0] = temp / 10000;
      datas[1] = temp % 10000 / 1000;
      datas[2] = temp % 1000 / 100;
      datas[3] = temp % 100 / 10;
      datas[4] = temp % 10;

      LcdWriteCom(0x82);
      LcdWriteData('0'+datas[0])
      SBUF = '0'+datas[0];
      while (!TI);
      TI = 0;

      LcdWriteCom(0x83);
      LcdWriteData('0'+datas[1]);
      SBUF = '0'+datas[1]
      while (!TI);
      TI = 0;

      LcdWriteCom(0x84);
      LcdWriteData('0'+datas[2]);
      SBUF = '0'+datas[2]
      while (!TI);
      LcdWriteCom(0x85);
      LcdWriteData('.');
      SBUF = '.'
      while (!TI);
      TI = 0;

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51為基礎，LCD1602顯示，串口接收溫度