基于单片机多机通讯仓库测温报警系统设计

【资源下载】下载地址如下1383：
https://docs.qq.com/doc/DTlRSd01BZXNpRUxl

 

#include <main.h>
#include <18b20.h>
//#include <485.h>
sbit warning=P1^7;
sbit greenled=P1^6;//485 收发控制
uchar flag1;            // sign of the result positive or negative
uchar j;
uint temper[5];
 
sbit k1=P3^7;

uchar flag;
uchar code Tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
uint receive_data;
uchar DH,DL;

uchar flag;

void delay(uint count)      //delay
{
  uint i;
  while(count)
  {
    i=200;
    while(i>0)
    i--;
    count--;
  }
}

void serial_int()//串口初始化
{
 TMOD=0X20;//t1工作在方式2
 SM0=1;//串口工作在方式2
 SM1=1;
 SM2=1;//使能rb8和TB8
 REN=0;//不接受
 
 TH1=0xF3;//2400BIT/S