温湿度采集控制电路及C51程序课件

第一节电路图和PCB一、系统构成 1、温度湿度采集控制电路 2、集中显示电路控制温湿度采集控制电路二、温度湿度采集控制电路温度传感器

1、模拟接口

2、数字接口 18b201第一节电路图和PCB一、系统构成1223344556677三、集中显示电路控制温湿度采集控制电路1、键盘和数码管显示72792、单片机主控控制电路3、485通信8三、集中显示电路控制温湿度采集控制电路899101011111212一、温度湿度采集控制电路程序main.c主程序，含继电器控制rs232.c(rs232.h)485通信程序ds18b20.c(ds18b20.h)温度湿度采集程序第二节器件介绍和C51编程13一、温度湿度采集控制电路程序main.c第二节器件介绍和C#include<reg51.h>voidrelay_control(void);externvoiddelay(unsignedchar);externvoidread_tmp(void);externvoidread_tmp_1(void);externvoidread_tmp_2(void);externvoidread_tmp_3(void);sbitr_control=P3^5;sbitled=P3^3;sbitptt=P1^4;voidrev_ptt(void);voidsend_ptt(void);externunsignedchardatamain.c14#include<reg51.h>main.c14externunsignedchardatasenddata[16];externunsignedchardatarevdata[8];externunsignedchardata*psenddata;externunsignedchardata*prevdata;externunsignedchardatatmp_l[4];externunsignedchardatatmp_h[4];unsignedcharcodeme_address=0x81;unsignedcharcodetemp_table_l[21]={33,31,30,28,28,28,28,25,25,25,25,25,25,25,21,21,21,21,21,21,21};unsignedcharcodetemp_table_h[21]={35,33,32,30,30,30,30,28,28,28,28,28,28,28,27,27,27,27,27,27,27};unsignedchardatatemp_time=20;unsignedinttmp_v;unsignedinttest_time=0;externbitrev_ok;15externunsignedchardatasendmain(){ptt=0;TMOD=0x20;TL1=0xf4;TH1=0xf4;SCON=0x50;PCON=0x00;TR1=1;ES=1;EA=1;led=0;prevdata=revdata;psenddata=senddata;16main()16while(1){read_tmp();read_tmp_1();read_tmp_2();read_tmp_3();senddata[4]=(me_address&0x0f);senddata[5]=tmp_h[0];senddata[6]=tmp_l[0];senddata[7]=tmp_h[1];senddata[8]=tmp_l[1];senddata[9]=tmp_h[2];senddata[10]=tmp_l[2];senddata[11]=tmp_h[3];senddata[12]=tmp_l[3];17while(1)17relay_control();if(!r_control)senddata[13]=0xaa;elsesenddata[13]=0x00;if(rev_ok){rev_ok=0;delay(1);ptt=1;delay(1);TI=1;}};}18relay_control();18voidrelay_control(void){tmp_v=((tmp_h[0]&0x03)*16+(tmp_l[0]*.0625)+0.5);if(tmp_v<temp_table_l[temp_time]){r_control=0;}if((tmp_v>=(temp_table_h[temp_time]-1))){r_control=1;}return;}19voidrelay_control(void)19二、集中显示电路控制程序main.c主程序rs232.c(rs232.h)485通信程序7279.C(7279.h)键盘程序ds1302.c(ds1302.h)时钟程序24c64.c(24c64.h)EEROM程序utility.htemp.h20二、集中显示电路控制程序main.c20#include<reg51.h>#include<temp.h>#include<utility.h>#include<ABSACC.H>main(void){main_init();I_init();ttt2=e_read_block();//ttt1=e_write_block();if(eromimager[0]==0xff){senddata[5]=20;}else{store_true=1;senddata[5]=eromimager[7];}delay(20);main.c21#include<reg51.h>main.c21while(1){v_get1302();time_precess();if(cur_minute!=curtime[1]){if((number1!=0)||(number2!=0)||(key_press1!=0)){key_numcancel();}} f2_precess();delay(20);f3_precess();delay(20);f4_precess();delay(9000);};}22while(1)22voidmain_init(void){hd7279_rst=0;delay(1500);hd7279_rst=1;led=0;psenddata=senddata;prevdata=revdata;send_byte(cmd_reset);pctime=settime;//v_set1302(pctime);TMOD=0x20;TL1=0xf4;TH1=0xf4;SCON=0x50;PCON=0x00;PS=1;EX0=1;TR1=1;ES=1;EA=1;ptt=1;TI=1;key_press=0;v_setcharge();v_get1302();cur_second=curtime[0];cur_minute=curtime[1];cur_hour=curtime[2];cur_date=curtime[3];cur_month=curtime[4];cur_year=curtime[7];delay(10000);key_press3=1;}23voidmain_init(void)23unsignedcharh_compute(unsignedcharn_w_h,unsignedcharn_w_l,unsignedcharw_h,unsignedcharw_l){unsignedintt1,t2;unsignedcharsub_val,temp_val;t1=(int)(((n_w_h*16+n_w_l*.0625)+0.5)*10);t2=(int)(((w_h*16+w_l*0.0625)+0.5)*10);sub_val=(unsignedchar)((t1-t2)/5+0.5);temp_val=(unsignedchar)(t1/10);if(sub_val!=0)return(t_h[temp_val-1][sub_val-1]);elsereturn(0);}24unsignedcharh_compute(unsign三、HD7279A器件介绍及C51编程25三、HD7279A器件介绍及C51编程25262627272828292930303131323233333434353536363737//pindefinesbitcs=P1^5;sbitclk=P1^6;sbitdat=P1^7;sbitkey=P3^2;voidsend_byte(unsignedcharout_byte){unsignedchari;cs=0;long_delay();for(i=0;i<8;i++){if(out_byte&0x80){dat=1;}else{dat=0;}clk=1;short_delay();clk=0;short_delay();out_byte=out_byte*2;}dat=0;}unsignedcharreceive_byte(void){unsignedchari,in_byte;dat=1;long_delay();for(i=0;i<8;i++){clk=1;short_delay();in_byte=in_byte*2;if(dat){in_byte=in_byte|0x01;}clk=0;short_delay();}dat=0;return(in_byte);}38//pindefineunsignedcharrecevoidwrite7279(unsignedcharcmd,unsignedchardta){send_byte(cmd);send_byte(dta);}unsignedcharread7279(unsignedcharcommand){send_byte(command);return(receive_byte());}voidlong_delay(void){unsignedchari;for(i=0;i<0x10;i++);}voidshort_delay(void){unsignedchari;for(i=0;i<4;i++);}39voidwrite7279(unsignedcharcvoiddisplay_uh_tmp(unsignedchars,unsignedcharr){inta,b,c;unsignedchars1;c=(int)((s*16+r*0.0625+0.5)*10);a=(int)(c/100);b=(int)((c-a*100)/10);s1=c-a*100-b*10;b=b|0x80;write7279(0x88,0xff);write7279(0xcc,0x0c);write7279(0x87,s1);write7279(0x86,b);write7279(0x85,a);}40voiddisplay_uh_tmp(unsignedcvoiddisplay_d_tmp(unsignedchars,unsignedcharr){inta,b,c;unsignedchars1;c=(s*16+r*0.0625+0.5)*10;a=(int)(c/100);b=(int)((c-a*100)/10);s1=c-a*100-b*10;b=b|0x80;write7279(0xc8,0x0b);write7279(0x83,s1);write7279(0x82,b);write7279(0x81,a);}41voiddisplay_d_tmp(unsignedchvoidservice_int0(void)interrupt0//键盘中断{readkey_board();}42voidservice_int0(void)interrvoidreadkey_board(void)//按键程序{unsignedcharkey_r_number;if(!key){key_r_number=read7279(cmd_read);while(!key); cur_minute=curtime[1];switch(key_r_number){case6://f1{key_f1();break;}case38://f2{key_f2();break;}case7://f3{key_f3();break;}case39://f4{key_f4();break;}case14://1{key_num0_9(1);break;}case22://2{key_num0_9(2);break;}

case30://3{key_num0_9(3);break;}case46://4{key_num0_9(4);break;}case54://5{key_num0_9(5);break;}case62://6{key_num0_9(6);break;}case15://7{key_num0_9(7);break;}case23://8{key_num0_9(8);break;}case31://9{key_num0_9(9);break;}case55://0{key_num0_9(1);break;}case63://ok{key_numok();break;}case47://cancel{key_numcancel();break}case255:{break;}default:{break;}return;}}}43voidreadkey_board(void)四、18b20及C51编程44四、18b20及C51编程4445454646474748484949505051515252ds18b20.c#include<reg51.h>#include<intrins.h>#include<ds18b20.h>voiddelay(unsignedchartime){ unsignedchar s; for(s=0;s<time;s++);}53ds18b20.c#include<reg51.h>53//first18b20voidwrite_bit(unsignedcharbitval){EA=0; DQ=0;_nop_();_nop_(); if(bitval==1)DQ=1;EA=1; delay(5); DQ=1;}54//first18b2054unsignedcharow_reset(void){ unsignedcharpresence; DQ=0;delay(120);DQ=1; delay(10); presence=DQ; delay(20); return(presence);}55unsignedcharow_reset(void)55unsignedcharread_byte(void){ unsignedchari; unsignedcharii=0; unsignedcharvalue=0; for(i=0;i<8;i++){ if(read_bit()){ii=0x01<<i;value|=ii;} delay(5); } return(value);}56unsignedcharread_byte(void)5bitread_bit(void){ bitdat;EA=0; DQ=0;_nop_();_nop_();_nop_(); DQ=1;_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();dat=DQ;EA=1;delay(5); return(dat);}57bitread_bit(void)57voidwrite_byte(unsignedcharval){ unsignedchari; unsignedchartemp; for(i=0;i<8;i++) { temp=val>>i; temp&=0x01; write_bit(temp); }}58voidwrite_byte(unsignedcharvoidread_tmp(void){//unsignedinta,b;temp=ow_reset();write_byte(0xcc);write_byte(0x44);delay(20);temp=ow_reset();write_byte(0xcc);write_byte(0xbe);delay(20);tmp_l[0]=read_byte();tmp_h[0]=read_byte();}59voidread_tmp(void)59#include<reg51.h>//functiondefinevoiddelay(unsignedchar);//first18b20voidwrite_bit(unsignedchar);unsignedcharow_reset(void);unsignedcharread_byte(void);bitread_bit(void);voidwrite_byte(unsignedchar);voidread_tmp(void);sbitDQ=P1^0;ds18b20.h60#include<reg51.h>ds18b20.h60unsignedchardatatmp_l[4];unsignedchardatatmp_h[4];unsignedchardatatemp;unsignedchardatatmp=0;unsignedchardataz[8];sbitled=P3^3;sbitz1=P1^5;61unsignedchardatatmp_l[4];61第三节12864M介绍和GAL逻辑了解12864M液晶；理解单片机总线时序及12864M液晶接口时序学会使用GAL进行接口逻辑的编程及应用62第三节12864M介绍和GAL逻辑了解12864M液晶；6modulewstitle'ADDRESSENCODEdesigner:YXMVER1.002003,9,01'wsdevice'P22V10';ALE,WR,RD,A8,A9,A10,A11,A12,A13,A14,A15 pin1,2,3,4,5,6,7,8,9,10,11;EOC,CSRAM,CS0,CS1,CS2,CS3,CS4,CS5,ADALE,ADOE,INT0pin13,14,15,16,17,18,19,20,21,22,23;equationsCSRAM=A15;CS0=WR#A14#A13#A12#!A15;CS1=WR#A14#A13#!A12#!A15;CS2=WR#A14#!A13#A12#!A15;CS3=WR#A14#!A13#!A12#!A15;CS4=RD#!A14#A13#A12#!A15;CS5=RD#!A14#A13#!A12#!A15;ADALE=!WR&A14&A13&!A12&A15;ADOE=!RD&A14&A13&A12&A15;INT0=!EOC;endws63modulews63646