智能水溫控制系統是利用單片機AT89C51來實現水溫的智能控制，使水溫能夠在30℃-90℃之間實現溫度調節，實時檢測水溫并顯示； 水溫低于設定的溫度值報警并啟動加熱功能;水溫達到設定的溫度值自動關閉加熱系統 。
單片機源程序如下:
- #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--);
- }
智能水溫控制系統.rar
(50.78 KB, 下載次數: 34)
2020-3-26 13:58 上傳
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