DS18B20的程序(温度测量芯片)_p0=0x7e;wela=1

作者：我家小花儿 | 2024-05-27 17:47:46

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p0=0x7e;wela=1

#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit DS=P2^2;           //define interface
uint temp;             // variable of temperature
uchar flag1;            // sign of the result positive or negative
sbit dula=P2^6;
sbit wela=P2^7;
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
                        0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
unsigned char code table1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,
                        0x87,0xff,0xef};

void delay(uint count)      //delay
{
  uint i;
  while(count)
  {
    i=200;
    while(i>0)
    i--;
    count--;
  }
}
///功能:串口初始化,波特率9600,方式1///
void Init_Com(void)
{
     TMOD = 0x20;
     PCON = 0x00;
     SCON = 0x50;
     TH1 =

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