智能水温控制系统是利用单片机AT89C51来实现水温的智能控制,使水温能够在30℃-90℃之间实现温度调节,实时检测水温并显示; 水温低于设定的温度值报警并启动加热功能;水温达到设定的温度值自动关闭加热系统 。
单片机源程序如下:
- #include<reg52.h>
- #include<intrins.h>
- #include<wendu.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit key1=P3^0;
- sbit key2=P3^1;
- sbit key3=P3^2;
- sbit led=P3^3;
- sbit shenwen=P3^4;
- sbit baojing=P3^5;
- uchar code tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf,0xff,0xbf,0xc7,0x89};
- uchar code tab3[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,0x3f,0xff};
- uchar yi,er,san,si,san1;
- uint shangxian=90,xiaxian=30,flag=0;
- void delay(int ma);
- void display1(uchar yi,uchar er,uchar san,uchar si);
- void display2(uchar yi,uchar er,uchar san1,uchar si);
- void keyscan();
- void main()
- {
- float wendu=0;
- int wenduzhen=0;
- yi=11;er=11;san=11;si=11;
- baojing=shenwen=1;
- while(1)
- {
- keyscan();
- if(flag==0)
- {
- wendu=temget();
- if(wendu<xiaxian)
- {
- shenwen=0;
- baojing=0;
- }
- else if((wendu>=xiaxian) && (wendu<=shangxian) )
- {
- baojing=1;
- }
- else if(wendu>=shangxian)
- {
- shenwen=1;
- baojing=0;
- }
- wenduzhen=wendu*10;
- yi=wenduzhen/1000;
- er=wenduzhen%1000/100;
- san=wenduzhen%100/10;
- si=wenduzhen%10;
- display1(yi,er,san,si);
- }
- Else if(flag==1)
- {
- yi=13;er=12;
- san1=xiaxian%100/10;
- si=xiaxian%10;
- isplay2(yi,er,san1,si);
- }
- Else if(flag==2)
- {
- yi=14;er=12;
- san1=shangxian%100/10;
- si=shangxian%10;
- isplay2(yi,er,san1,si);
- }
- if(xiaxian>=shangxian)led=0;
- else led=1;
- }
- }
- void keyscan()
- {
- if(key1==0)
- {
- delay(5);
- if(key1==0)
- {
- flag++;
- if(flag>2)flag=0;
- }
- while(!key1);
- }
- if(key2==0)
- {
- delay(5);
- if(key2==0)
- {
- if(flag==1)
- {
- xiaxian++;
- if(xiaxian>=89)xiaxian=89;
- }
- else if(flag==2)
- {
- shangxian++;
- if(shangxian>=90)shangxian=90;
- }
- }
- while(!key2);
- }
- if(key3==0)
- {
- delay(5);
- if(key3==0)
- {
- if(flag==1)
- {
- xiaxian--;
- if(xiaxian<0)xiaxian=0;
- }
- else if(flag==2)
- {
- shangxian--;
- if(shangxian<1)xiaxian=1;
- }
- }
- while(!key3);
- }
- }
- void display1(uchar yi,uchar er,uchar san,uchar si)
- {
- P2=0X01;
- P0=tab[yi];
- delay(1);
- P2=0X02;
- P0=tab[er];
- delay(1);
- P2=0X04;
- P0=tab3[san];
- delay(1);
- P2=0X08;
- P0=tab[si];
- delay(1);
- }
- void display2(uchar yi,uchar er,uchar san1,uchar si)
- {
- P2=0X01;
- P0=tab[yi];
- delay(1);
- P2=0X02;
- P0=tab[er];
- delay(1);
- P2=0X04;
- P0=tab[san1];
- delay(1);
- P2=0X08;
- P0=tab[si];
- delay(1);
- }
- void delay(int ms)
- {
- int i,a;
- for(i=ms;i>0;i--)
- for(a=125;a>0;a--);
- }
复制代码 全部资料51hei下载地址:
智能水温控制系统.rar
(50.78 KB, 下载次数: 34)
|