51单片机温室控制系统（源代码和仿真） -

#include<reg52.h>
#include"sht10.h"
#include"ds1302.h"
#include"lcd1602.h"
unsigned char TempBuffer[4];
unsigned char humBuffer[4];
unsigned char set[4];
unsigned char set_temp=20,set_hum=20;
unsigned char mode=6;
//unsigned char Key3_val=0;
sbit JIARE=P2^5;//定义加热降温加湿干燥四个端口
sbit JIANGWEN=P2^4;
sbit JIASHI=P2^6;
sbit GANZAO=P2^7;
sbit JIARE_FLAG=P1^5;//定义模式标志位
sbit JIANGWEN_FLAG=P1^6;
sbit JIASHI_FLAG=P1^7;
sbit GANZAO_FLAG=P3^6;
sbit ZIDONG_FLAG=P3^7;
sbit KEY0=P3^2;//定义按键
sbit KEY1=P3^3;
sbit KEY2=P3^4;
void delay_ms(unsigned char k)//延时k ms
{
unsigned char i,j;
for(i=0;i<k;i++)
for(j=0;j<110;j++);
}
//INT 数据转字符串
/*t为int型数据用n个字节存放*/
void IntToStr(unsigned int t, unsigned char *str, unsigned char n)
{
unsigned char a[5]; char i, j;
a[0]=(t/10000)%10;
a[1]=(t/1000)%10;
a[2]=(t/100)%10;
a[3]=(t/10)%10;
a[4]=(t/1)%10;
for(i=0; i<5; i++)
a[i]=a[i]+'0';
for(i=0; a[i]=='0' && i<=3; i++);
for(j=5-n; j<i; j++)
{ *str=' '; str++; }
for(; i<5; i++)
{ *str=a[i]; str++; }
*str='\0';
}
void Int_init(void)//初始化外部中断
{
IT0=1;
EX0=1;
IT1=1;
EX1=1;
PX1=1;
EA=1;
}
void TH_set(void)//显示设定的温湿度
{
GotoXY(6,1);
IntToStr(set_temp,&set[0],2);
Print(set);
GotoXY(10,1);
IntToStr(set_hum,&set[0],2);
Print(set);
GotoXY(15,1);
IntToStr(mode,&set[0],1);
Print(set);
}
void Key2Scan(void)//按键扫描
{
static unsigned char key_status=1;
if(key_status&&(KEY2==0))
{
delay_ms(5);
if(KEY2==0)
{ key_status=0;
if(mode==6){set_temp--;if(set_temp<16)set_temp++;}
else if(mode==7){set_hum--;if(set_hum<20)set_hum++;}
}
}else if(KEY2)key_status=1;
}
void LED_show_mode(void)//模式指示灯显示
{
if(mode==1){JIARE_FLAG=0;JIANGWEN_FLAG=1;JIASHI_FLAG=1;GANZAO_FLAG=1;ZIDONG_FLAG=1;}
else if(mode==2){JIARE_FLAG=1;JIANGWEN_FLAG=0;JIASHI_FLAG=1;GANZAO_FLAG=1;ZIDONG_FLAG=1;}
else if(mode==3){JIARE_FLAG=1;JIANGWEN_FLAG=1;JIASHI_FLAG=0;GANZAO_FLAG=1;ZIDONG_FLAG=1;}
else if(mode==4){JIARE_FLAG=1;JIANGWEN_FLAG=1;JIASHI_FLAG=1;GANZAO_FLAG=0;ZIDONG_FLAG=1;}
else if(mode==5){JIARE_FLAG=1;JIANGWEN_FLAG=1;JIASHI_FLAG=1;GANZAO_FLAG=1;ZIDONG_FLAG=0;}
else if(mode==6){JIARE_FLAG=1;JIANGWEN_FLAG=1;JIASHI_FLAG=1;GANZAO_FLAG=1;ZIDONG_FLAG=1;}
else if(mode==7){JIARE_FLAG=1;JIANGWEN_FLAG=1;JIASHI_FLAG=1;GANZAO_FLAG=1;ZIDONG_FLAG=1;}
}
void ModeNot5_handler(void)//模式1到4的处理函数
{
if(mode==1){JIARE=1;JIANGWEN=0;JIASHI=0;GANZAO=0;}
else if(mode==2){JIARE=0;JIANGWEN=1;JIASHI=0;GANZAO=0;}
else if(mode==3){JIARE=0;JIANGWEN=0;JIASHI=1;GANZAO=0;}
else if(mode==4){JIARE=0;JIANGWEN=0;JIASHI=0;GANZAO=1;}
// else if(mode==6){JIARE=0;JIANGWEN=0;JIASHI=0;GANZAO=0;}
// else if(mode==7){JIARE=0;JIANGWEN=0;JIASHI=0;GANZAO=0;}
}
void Mode5handler(void)//模式5到7的处理函数
{
if(mode>=5)
{
if(shidu>set_hum){JIASHI=0;GANZAO=1;}
else if(shidu<set_hum){JIASHI=1;GANZAO=0;}
else if(shidu==set_hum){JIASHI=0;GANZAO=0;}
if(wendu>set_temp){JIARE=0;JIANGWEN=1;}
else if(wendu<set_temp){JIARE=1;JIANGWEN=0;}
else if(wendu==set_temp){JIARE=0;JIANGWEN=0;}
}
}
void main()
{
JIARE=JIANGWEN=JIASHI=GANZAO=0;
Int_init();
LCD_Initial();
s_connectionreset();//sht10的初始化
GotoXY(0,0);
Print("Real:T: R: %");
GotoXY(0,1);
Print("Set:T: R: %M: ");
TH_set();
while(1)
{
Get_TH();//获取温湿度
GotoXY(7,0);
IntToStr(wendu,&TempBuffer[0],2);
Print(TempBuffer);
GotoXY(12,0);
IntToStr(shidu,&humBuffer[0],2);
Print(humBuffer);
TH_set();
LED_show_mode();
ModeNot5_handler();
Mode5handler();
Key2Scan();
}
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