vhvh.c

温度采集显示与PID控制

#include<reg51.h>


const char yd=2;//压力报警数储存地址
const char sd=6;//水温报警数储存地址
const char wd=12;//油温报警数储存地址


extern int i2c_read(char address);
extern bit i2c_write(char address,int fb);


int on=0x10;
int om=0x50;
int oh=0x90;
int ow;
int oe;
int of;
sbit l1=P1^0;

void main()
{
    while(1)
      {
   ow=i2c_read(yd);

   oe=i2c_read(sd);
   of=i2c_read(wd);
   ow=i2c_write(yd,on);
 
   l1=~l1;


  
   }
}