智能温室恒温控制系统C语言程序

1、程序清单：#include <reg52.h>#include <intrins.h>#include <stdio.h>#define uchar unsigned charsbit TMDAT = P14;/两个DS18B20的I/O口sbit TMDAT1 = P15;sbit CS=P10;sbit CLK=P11;sbit DIO=P12;sbit KEY=P13;sbit HEAT=P17;sbit COLD=P33;sbit HEAT1=P16;sbit COLD1=P32;sbit ALARM=P36;int num; /保存输入的数字 in

2、t key=7; /保存数码管号int qiehuan=0; /控制屏幕显示温度或者参数int choose=0; /保存正在使用的DS18B20号int max1=23; /一号通道的报警上下限值int min1=5;int upper1=22; /一号通道的预定温度值int lower1=18; int max2=23; /二号通道的报警上下限值int min2=5;int upper2=22; /二号通道的预定温度值int lower2=18; unsigned char buffer116=0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x0

3、9,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f;/控制符，用于显示不带小数点的数字unsigned char buffer216=0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f;/控制符，用于显示带小数点的数字unsigned char turn8=0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87;/控制符，用于选定数码管号unsigned int result,result1;/保存十六进制的温度值unsigned char a,b;u

4、char data rebuf,sebuf;uchar bdata com_data;sbit mos_bit=com_data7;sbit low_bit=com_data0;void send(uchar sebuf);void delay_50us();void receive();void reset();void dmsec (unsigned int count);void tmreset (void);void tmstart (void);void tmreset1 (void);void tmstart1 (void);void fuzhi(void);/用于修改参数值voi

5、d xianshi(void);/将修改的参数值显示unsigned char tmrtemp (void);unsigned char tmrtemp1 (void);main()unsigned int zhengshu,dot; unsigned char temperature;unsigned int symbol;int shiwei; int gewei;unsigned int zhengshu1,dot1; unsigned char temperature1;unsigned int symbol1;int shiwei1; int gewei1; while(1) if(

6、choose=0) /通道一工作dmsec(1);tmstart (); dmsec(1000);tmrtemp (); reset(); if(result>0xf800) /将通道一的温度转换为十进制 symbol=1; result=result+1;zhengshu=result/16;dot=result&0x000f;dot=(dot*10)/16; shiwei=(zhengshu/10); gewei=(zhengshu%10); temperature=zhengshu+dot*0.1; /通道一的十进制温度 if(temperature>upper1)

7、/通道一温度控制 COLD=1; HEAT=0; /超过预定温度的上限，启动小风扇 else if(temperature<lower1) COLD=0; HEAT=1; /低于预定温度的下限，启动小灯泡 else COLD=0; HEAT=0; if(temperature>max1|temperature<min1) ALARM=0; /高于或低于设定温度的上下限，则报警 else ALARM=1; elsedmsec(1); /通道二工作tmstart1 (); dmsec(1000);tmrtemp1 (); reset(); if(result1>0xf800

8、) /将通道二的温度转换为十进制 symbol1=1; result1=result1+1;zhengshu1=result1/16;dot1=result1&0x000f;dot1=(dot1*10)/16; shiwei1=(zhengshu1/10); gewei1=(zhengshu1%10); temperature1=zhengshu1+dot1*0.1; /通道二的十进制温度if(temperature1>upper2) /通道二温度控制 COLD1=1; HEAT1=0; /超过预定温度的上限，启动小风扇 else if(temperature1<lower

9、2) COLD1=0; HEAT1=1; /低于预定温度的下限，启动小灯泡 else COLD1=0; HEAT1=0; if(temperature1>max2|temperature<min2) ALARM=0; /高于或低于设定温度的上下限，则报警 else ALARM=1; /屏幕的显示： if(qiehuan=0) /显示温度 if(choose=0) send(0x80); delay_50us(); if(symbol=1)send(0x0a); elsesend(0x0f); delay_50us(); send(0x81); delay_50us(); send(

10、buffer1shiwei); delay_50us(); send(0x82); delay_50us(); send(buffer2gewei); delay_50us(); send(0x83); delay_50us(); send(buffer1dot); delay_50us(); else send(0x84); delay_50us(); if(symbol1=1)send(0x0a); elsesend(0x0f); delay_50us(); send(0x85); delay_50us(); send(buffer1shiwei1); delay_50us(); send

11、(0x86); delay_50us(); send(buffer2gewei1); delay_50us(); send(0x87); delay_50us(); send(buffer1dot1); delay_50us(); elseif(choose=0) /显示参数值send(0x80);delay_50us();send(buffer1max1/10);send(0x81);delay_50us();send(buffer1max1%10);send(0x82);delay_50us();send(buffer1min1/10);send(0x83);delay_50us();se

12、nd(buffer1min1%10);send(0x84);delay_50us();send(buffer1upper1/10);send(0x85);delay_50us();send(buffer1upper1%10);send(0x86);delay_50us();send(buffer1lower1/10);send(0x87);delay_50us();send(buffer1lower1%10);delay_50us();if(choose=1)send(0x80);delay_50us();send(buffer1max2/10);send(0x81);delay_50us()

13、;send(buffer1max2%10);send(0x82);delay_50us();send(buffer1min2/10);send(0x83);delay_50us();send(buffer1min2%10);send(0x84);delay_50us();send(buffer1upper2/10);send(0x85);delay_50us();send(buffer1upper2%10);send(0x86);delay_50us();send(buffer1lower2/10);send(0x87);delay_50us();send(buffer1lower2%10);

14、 CS=1; while(KEY); send(0x15); /第一个字节，读取键值命令字 delay_50us(); receive();/第二个字节，读取键值，存放在变量rebuf中 delay_50us(); switch(rebuf)case 0x3F: /按键S1，选择一路choose=0;send(0x88);/第一个字节，闪烁控制命令字delay_50us();send(0xF0);/第二个字节，设置为闪烁CS=1; break;case 0x3E:/按键S2， 选择二路choose=1;send(0x88);/第一个字节，闪烁控制命令字delay_50us();send(0x0

15、F);/第二个字节，设置为闪烁CS=1; break;case 0x36: /按键S4,开始修改qiehuan=1;key=7;CS=1; break; case 0x37:/选择确定qiehuan=0;CS=1; break;case 0x27: /输入数字"0"key+;num=0;fuzhi();xianshi();CS=1; break; case 0x26: /输入数字"1" key+;num=1;fuzhi();xianshi();CS=1; break; case 0x1F: /输入数字"2" key+;num=2;fu

16、zhi();xianshi();CS=1; break; case 0x1E: /输入数字"3" key+;num=3;fuzhi();xianshi();CS=1; break; case 0x17: /输入数字"4" key+;num=4;fuzhi();xianshi();CS=1; break; case 0x16: /输入数字"5"key+;num=5;fuzhi();xianshi();CS=1; break; case 0x0F: /输入数字"6" key+;num=6;fuzhi();xianshi

17、();CS=1; break; case 0x0E: /输入数字"7" key+;num=7;fuzhi();xianshi();CS=1; break; case 0x07: /输入数字"8" key+;num=8;fuzhi();xianshi();CS=1; break; case 0x06: /输入数字"9" key+;num=9;fuzhi();xianshi();CS=1; break; default: break; while(!KEY); KEY=1; /* FUNCTION */void dmsec (unsign

18、ed int count) / mSec Delay 11.0592 Mhz unsigned int i; / 1MS 延时 while (count-) for (i=0;i<125;i+) void tmreset (void) / Reset TX unsigned int i; TMDAT = 0; i = 103; while (i>0) i-; / Approx 900 uS TMDAT = 1; i = 4; while (i>0) i-;void tmreset1 (void) / Reset TX unsigned int i; TMDAT1 = 0; i

19、 = 103; while (i>0) i-; / Approx 900 uS TMDAT1 = 1; i = 4; while (i>0) i-;void tmpre (void) / Wait for Presence RX unsigned int i; while (TMDAT); while (TMDAT); i = 4; while (i>0) i-;void tmpre1 (void) / Wait for Presence RX unsigned int i; while (TMDAT1); while (TMDAT1); i = 4; while (i>

20、;0) i-;bit tmrbit (void) / read one bit unsigned int i; bit dat; TMDAT = 0; i+; TMDAT = 1; i+; i+; dat = TMDAT; i = 8; while (i>0) i-; return (dat);unsigned char tmrbyte (void) / read one byte unsigned char i,j,dat; dat = 0; for (i=1;i<=8;i+) j = tmrbit (); dat = (j << 7) | (dat >>

21、 1); return (dat);void tmwbyte (unsigned char dat) / write one byte unsigned int i; unsigned char j; bit testb; for (j=1;j<=8;j+) testb = dat & 0x01; dat = dat >> 1; if (testb) TMDAT = 0; / Write 1 i+; i+; TMDAT = 1; i = 8; while (i>0) i-; else TMDAT = 0; / Write 0 i = 8; while (i>

22、;0) i-; TMDAT = 1; i+; i+; void tmstart (void) / ds1820 start convert tmreset (); tmpre (); dmsec (1); tmwbyte (0xcc); / skip rom tmwbyte (0x44); / convertunsigned char tmrtemp (void) / read temp tmreset (); tmpre (); dmsec (1); tmwbyte (0xcc); / skip rom tmwbyte (0xbe); / convert a = tmrbyte (); /

23、LSB b = tmrbyte (); / MSBresult=a+b*256;return(result);bit tmrbit1 (void) / read one bit unsigned int i; bit dat; TMDAT1 = 0; i+; TMDAT1 = 1; i+; i+; dat = TMDAT1; i = 8; while (i>0) i-; return (dat);unsigned char tmrbyte1 (void) / read one byte unsigned char i,j,dat; dat = 0; for (i=1;i<=8;i+

24、) j = tmrbit1 (); dat = (j << 7) | (dat >> 1); return (dat);void tmwbyte1 (unsigned char dat) / write one byte unsigned int i; unsigned char j; bit testb; for (j=1;j<=8;j+) testb = dat & 0x01; dat = dat >> 1; if (testb) TMDAT1 = 0; / Write 1 i+; i+; TMDAT1 = 1; i = 8; while

25、(i>0) i-; else TMDAT1 = 0; / Write 0 i = 8; while (i>0) i-; TMDAT1 = 1; i+; i+; void tmstart1 (void) / ds1820 start convert tmreset1 (); tmpre1 (); dmsec (1); tmwbyte1 (0xcc); / skip rom tmwbyte1 (0x44); / convertunsigned char tmrtemp1 (void) / read temp tmreset1 (); tmpre1 (); dmsec (1); tmwb

26、yte1 (0xcc); / skip rom tmwbyte1(0xbe); / convert a = tmrbyte1 (); / LSB b = tmrbyte1(); / MSBresult1=a+b*256;return(result1);void delay_50us() /延时50us，不同的晶振，有差异，读者可根据实际情况自定参数 uchar i; for(i=0;i<6;i+); void delay_8us()/延时8us uchar i; for(i=0;i<1;i+); void delay_50ms()/延时50ms uchar i,j; for(j=0

27、;j<50;j+) for(i=0;i<125;i+); void send(uchar sebuf)/发送一个字节结束时，7289的CS继续使能 uchar i; com_data=sebuf; CS=0;CLK=0; delay_50us(); for(i=0;i<8;i+) delay_8us(); DIO=mos_bit; CLK=1; delay_8us(); com_data=com_data<<1; CLK=0; DIO=0;/改为应该更好; void receive()/接收一个字节结束时，7289的CS不使能 uchar i; CLK=1; delay_50us(); for(i=0;i<8;i+) com_data=com_data<<1; low_bit=DIO; CLK=1; delay