wdjk.c

温度监控完整代码

#include <reg52.h>
#include <intrins.h>
#include "18b20.h"
#include "key.h"
#include "24c02.h"
#include "uln2003.h"
#include "timer.h"
#include "display.h"
#define uchar unsigned char
#define uint unsigned int
uchar tempdata[8]={3,0,2,3,11,11,0,0};
uchar temperature;
uint times;
sbit wave1=P3^4;
sbit wave2=P3^5;
sbit relay=P0^4;
bit rdflag=1;

main()
{
	uchar up=30,down=10,num;
	Init_timer0();
	Init_timer1();
	
	relay=0;
	buzz=0;
	ULN2003_Latch();
	relay=0;buzz=0;
	ULN2003_Latch();

   while(1)
  {
	num=KeyScan();
	switch(num)
	{
		case 0:{							//下限减一
				if(down==0)
					down=1;
					down--;
					tempdata[2]=down/10;
					tempdata[3]=down%10;
					wrbyte_24c02(0x01,down);
					break;
				}
		case 1:{							   //上限减一
					if(up<=down)
						up++;
					up--;
					tempdata[0]=up/10;
					tempdata[1]=up%10;
					wrbyte_24c02(0x00,up);
					break;
				}
		case 2:{							  //下限加一
					if(down>=up)
					down--;
					down++;
					tempdata[2]=down/10;
					tempdata[3]=down%10;
					wrbyte_24c02(0x01,down);
					break;
				}
		case 3:{							//上限加一
					if(up==99)
					up=98;
					up++;
					tempdata[0]=up/10;
					tempdata[1]=up%10;
					wrbyte_24c02(0x00,up);
					break;
				}
		default:break;

	}
	if(rdflag)
	{
		//rdflag=0;
		temperature=rd_temperature();
		tempdata[6]=temperature/10;
		tempdata[7]=temperature%10;
	}
	if(temperature>up)
	{
		TR0=1;
		TR1=1;		
	}
	else
	{
		if(temperature<down)
		{
				relay=1;buzz=0;
				ULN2003_Latch();
		}
		else
		{
					TR0=0;
					TR1=0;
					wave1=1;
					wave2=1;
					relay=0;buzz=0;
					ULN2003_Latch();

		}
	}	   
	display(tempdata);
	}	
}




Isr_timer0() interrupt 1
{
	TH0=(65536-1000)/256;
	TL0=(65536-1000)%256;
	//times++;
	TR1=1;
	wave1=1;
/*	if(times==1000)
	{
		times=0;
		rdflag=1;
	} */
}

Isr_timer1() interrupt 3
{
	TH1=(65536-300)/256;
	TL1=(65536-300)%256;
	wave1=0;
	TR1=0;
}