附录1。

电路图2.程序代码＃include <reg52.h〉＃include ”delay。

h”＃include ”ds18b20.h"#include ”LCD1602。

h"#include "ds1302.h”sfr T2MOD = 0xC9;sbit Heat = P0^4；sbit IN1=P0^3；sbit IN2=P3^5;sbit IN3=P3^6；sbit IN4=P3^7;sbit LED1=P3^2；sbit LED2=P3^3;//水温控制相关参量int tempval = 0;float tmp_new=0；float tmp_old=0;uchar tmp_set1 = 30;uchar tmp_set2 = 35；float tmp_set = 50;float Ctrl_P = 0。

8;float PWM = 0；float cnt=0;//喂食、光照、氧循环相关参量uint FeedInterval=30;//喂食间隔时间uint FeedTime=10;//喂食时间uint OxygenInterval=30;uint OxygenTime=10;uint LightInterval=30;uint LightTime=10;uint FeedInterval_cnt；uint FeedTime_cnt;uint OxygenInterval_cnt;uint OxygenTime_cnt;uint LightInterval_cnt;uint LightTime_cnt;uchar Time_cnt=0;//设定参数相关变量uchar SetTimeFlg=0;uchar SetFeedFlg=0;uchar SetOxygenFlg=0；uchar SetLightFlg=0;uchar FeedFlg=0；uchar OxygenFlg=0；uchar LightFlg=0;uchar data_zancun=0;uchar TestNum=0；void Init_timer（void){RCAP2H=（65536—38400）/256;RCAP2L=(65536—38400）%256;TH2=RCAP2H；TL2=RCAP2L；T2CON=0;T2MOD=0;ET2=1;TR2=1；EA=1;}void Zhengzhuan(void)｛uchar i；for（i=0;i〈128;i++)｛IN1=0；IN2=1;IN3=1；IN4=1；delay1ms（1)；IN1=0;IN2=0；IN3=1；IN4=1;delay1ms（1）；IN1=1；IN2=0；IN3=1；IN4=1;delay1ms(1);IN1=1;IN2=0；IN3=0；IN4=1；delay1ms(1)；IN1=1；IN2=1；IN3=0;IN4=1;delay1ms(1);IN1=1；IN2=1；IN3=0；IN4=0；delay1ms(1）；IN1=1;IN2=1;IN3=1;IN4=0;delay1ms(1）；IN1=0;IN2=1;IN3=1；IN4=0;delay1ms（1）；}void Fanzhuan（void）{uchar i;for（i=0;i<128;i++){IN1=0;IN2=1;IN3=1;IN4=0；delay1ms（1);IN1=1;IN2=1；IN3=1；IN4=0；delay1ms(1);IN1=1;IN2=1；IN3=0；IN4=0;delay1ms(1);IN1=1;IN2=1;IN3=0；IN4=1;delay1ms(1);IN1=1;IN2=0;IN3=0；IN4=1；delay1ms(1）;IN1=1；IN2=0；IN3=1；IN4=1;delay1ms(1)；IN1=0；IN2=0；IN3=1;IN4=1；delay1ms（1)；IN1=0；IN2=1;IN3=1；IN4=1;delay1ms（1）；｝｝void PageClear（void)｛uchar i；write_com（0x80)；for(i=0；i<16；i++)write_data（’ ');write_com（0xc0)；for（i=0；i〈16；i++)write_data（' ’）;}void KeyScan（void){uchar temp;P2 = 0xfe；temp = P2;temp = temp&0xf0；if(temp != 0xf0）{delay1ms（10）;temp = P2;if（temp ！= 0xf0)｛switch（temp）{case 0xe0:{//TestNum=0；data_zancun=0;PageClear(）;SetLightFlg=0；SetFeedFlg=0；SetTempFlg=0；SetOxygenFlg=0;SetTimeFlg++；if(SetTimeFlg==7）SetTimeFlg=1；}break;//时间case 0xd0：{TestNum=7;data_zancun++;if(data_zancun==3）data_zancun=1;}break;//数字键7case 0xb0:{data_zancun++;if(data_zancun==3)data_zancun=1;TestNum=4;}break;//数字键4case 0x70:{data_zancun++;if（data_zancun==3）data_zancun=1；TestNum=1；}break;//数字键1 }while（temp != 0xf0){temp = P2;temp = temp＆0xf0;｝}}P2 = 0xfd;temp = P2;temp = temp&0xf0;if（temp ！= 0xf0）｛delay1ms(10）；temp = P2；temp = temp&0xf0；{switch(temp)｛case 0xe0：｛data_zancun++；if(data_zancun==3)data_zancun=1;TestNum=0;｝break;//数字键0case 0xd0：{data_zancun++；if（data_zancun==3)data_zancun=1；TestNum=8;}break；//数字键8case 0xb0:｛data_zancun++;if（data_zancun==3)data_zancun=1;TestNum=5;｝break；//数字键5case 0x70：{data_zancun++;if(data_zancun==3)data_zancun=1;TestNum=2；｝break；//数字键2 }while（temp ！= 0xf0)｛temp = P2；temp = temp&0xf0；}}}P2 = 0xfb;temp = P2;temp = temp&0xf0；if(temp ！= 0xf0）{delay1ms(10)；temp = P2;temp = temp＆0xf0;if(temp != 0xf0)｛switch(temp）{case 0xe0：{//TestNum=8；PageClear(）;SetTempFlg=0；SetLightFlg=0；SetOxygenFlg=0;SetFeedFlg=0；if（SetTimeFlg！=0）{SetTimeFlg=0;｝data_zancun=0；}break;//确定键case 0xd0：｛data_zancun++；if(data_zancun==3)data_zancun=1;TestNum=9；}break；//数字键9case 0xb0:｛data_zancun++;if(data_zancun==3)data_zancun=1;TestNum=6；｝break;//数字键6case 0x70：｛data_zancun++;if(data_zancun==3）data_zancun=1；TestNum=3；｝break;//数字键3 }while（temp != 0xf0){temp = P2;temp = temp&0xf0;}}｝P2 = 0xf7;temp = P2;temp = temp&0xf0；if（temp != 0xf0）{delay1ms(10）;temp = P2；temp = temp&0xf0；if(temp != 0xf0）｛switch(temp）{case 0xe0:{//TestNum=12；data_zancun=0；PageClear(）;SetLightFlg=0;SetFeedFlg=0；SetTempFlg=0；SetTimeFlg=0；SetOxygenFlg++；if（SetOxygenFlg==3）SetOxygenFlg=1;}break;//氧气data_zancun=0；PageClear（);SetFeedFlg=0;SetTempFlg=0；SetTimeFlg=0；SetOxygenFlg=0；SetLightFlg++；if(SetLightFlg==3)SetLightFlg=1;｝break；//照明case 0xb0:{//TestNum=14;data_zancun=0;PageClear（）；SetLightFlg=0；SetTempFlg=0;SetTimeFlg=0;SetOxygenFlg=0;SetFeedFlg++;if(SetFeedFlg==3）SetFeedFlg=1;}break; //喂食case 0x70：{data_zancun=0;PageClear（）;SetLightFlg=0；SetFeedFlg=0；SetTimeFlg=0；SetOxygenFlg=0;SetTempFlg++；if（SetTempFlg==3)SetTempFlg=1;}break;//温度｝while(temp ！= 0xf0）｛temp = P2；temp = temp＆0xf0；｝}｝if（SetTimeFlg)｛switch（SetTimeFlg）{case 1：{if(data_zancun==1）｛time_date［6］＆=0x0f；else if（data_zancun==2）{time_date［6］＆=0xf0;time_date［6]｜=TestNum；} }break；case 2:｛if(data_zancun==1）｛time_date［4]&=0x0f；time_date［4]｜=TestNum〈<4;｝else if（data_zancun==2){time_date［4］＆=0xf0；time_date［4]|=TestNum;} ｝break；case 3：｛if（data_zancun==1)｛time_date[3］&=0x0f;time_date[3]|=TestNum〈〈4;｝else if（data_zancun==2){time_date[3］&=0xf0;time_date［3]|=TestNum；｝ }break;case 4：｛if(data_zancun==1）｛time_date[2]＆=0x0f；time_date［2］｜=TestNum〈〈4;｝else if(data_zancun==2）｛time_date[2］＆=0xf0；time_date［2］|=TestNum;｝｝break;case 5:{if(data_zancun==1）｛time_date[1］＆=0x0f;time_date[1]｜=TestNum〈<4；}time_date［1]&=0xf0；time_date[1]｜=TestNum；｝｝break;case 6：{if（data_zancun==1){time_date［0]＆=0x0f；time_date［0］｜=TestNum〈〈4;}else if（data_zancun==2)｛time_date[0]&=0xf0;time_date[0］｜=TestNum；｝ }break；｝}else if(SetTempFlg）｛switch(SetTempFlg）｛case 1:{if(data_zancun==1)｛tmp_set2=TestNum*10+tmp_set2％10;}else if(data_zancun==2){tmp_set2=TestNum+10＊（tmp_set2/10）；} ｝break；case 2:｛if(data_zancun==1）{tmp_set1=TestNum＊10+tmp_set1％10；｝else if(data_zancun==2){tmp_set1=TestNum+10＊(tmp_set1/10);｝｝break;}｝else if（SetFeedFlg）{switch(SetFeedFlg)｛case 1:{{FeedInterval=TestNum*10+FeedInterval%10；｝else if（data_zancun==2){FeedInterval=TestNum+10＊（FeedInterval/10）；} ｝break;case 2：｛if（data_zancun==1）｛FeedTime=TestNum＊10+FeedTime％10;｝else if(data_zancun==2){FeedTime=TestNum+10*(FeedTime/10);} ｝break；}｝else if（SetLightFlg)｛switch（SetLightFlg){case 1:{if（data_zancun==1)｛LightInterval=TestNum＊10+LightInterval％10;｝else if（data_zancun==2）{LightInterval=TestNum+10*(LightInterval/10）；} ｝break;case 2：｛if(data_zancun==1){LightTime=TestNum＊10+LightTime％10;}else if(data_zancun==2）｛LightTime=TestNum+10*（LightTime/10）；｝｝break；}｝else if（SetOxygenFlg)｛switch（SetOxygenFlg)case 1：{if(data_zancun==1)｛OxygenInterval=TestNum*10+OxygenInterval％10;}else if(data_zancun==2)｛OxygenInterval=TestNum+10＊(OxygenInterval/10）;} }break;case 2：｛if（data_zancun==1）{OxygenTime=TestNum*10+OxygenTime％10；｝else if(data_zancun==2){OxygenTime=TestNum+10*（OxygenTime/10）;｝｝break;｝｝}void MainPage（void）//主界面｛uchar i;tmp_set = （float）(tmp_set1+tmp_set2）/2。