温湿度采集控制电路及C51程序PPT演示课件

1,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18b20,2,3,4,5,6,7,8,三、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,9,10,11,12,13,一、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,14,#includevoidrelay_control(void);externvoiddelay(unsignedchar);externvoidread_tmp(void);externvoidread_tmp_1(void);externvoidread_tmp_2(void);externvoidread_tmp_3(void);sbitr_control=P35;sbitled=P33;sbitptt=P14;voidrev_ptt(void);voidsend_ptt(void);externunsignedchardata,main.c,15,externunsignedchardatasenddata16;externunsignedchardatarevdata8;externunsignedchardata*psenddata;externunsignedchardata*prevdata;externunsignedchardatatmp_l4;externunsignedchardatatmp_h4;unsignedcharcodeme_address=0 x81;unsignedcharcodetemp_table_l21=33,31,30,28,28,28,28,25,25,25,25,25,25,25,21,21,21,21,21,21,21;unsignedcharcodetemp_table_h21=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;,16,main()ptt=0;TMOD=0 x20;TL1=0 xf4;TH1=0 xf4;SCON=0 x50;PCON=0 x00;TR1=1;ES=1;EA=1;led=0;prevdata=revdata;psenddata=senddata;,17,while(1)read_tmp();read_tmp_1();read_tmp_2();read_tmp_3();senddata4=(me_address,18,relay_control();if(!r_control)senddata13=0 xaa;elsesenddata13=0 x00;if(rev_ok)rev_ok=0;delay(1);ptt=1;delay(1);TI=1;,19,voidrelay_control(void)tmp_v=(tmp_h0,20,二、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.h,21,#include#include#include#includemain(void)main_init();I_init();ttt2=e_read_block();/ttt1=e_write_block();if(eromimager0=0 xff)senddata5=20;elsestore_true=1;senddata5=eromimager7;delay(20);,main.c,22,while(1)v_get1302();time_precess();if(cur_minute!=curtime1)if(number1!=0)|(number2!=0)|(key_press1!=0)key_numcancel();f2_precess();delay(20);f3_precess();delay(20);f4_precess();delay(9000);,23,voidmain_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=0 x20;TL1=0 xf4;TH1=0 xf4;SCON=0 x50;PCON=0 x00;PS=1;EX0=1;TR1=1;ES=1;EA=1;ptt=1;TI=1;key_press=0;v_setcharge();v_get1302();cur_second=curtime0;cur_minute=curtime1;cur_hour=curtime2;cur_date=curtime3;cur_month=curtime4;cur_year=curtime7;delay(10000);key_press3=1;,24,unsignedcharh_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_htemp_val-1sub_val-1);elsereturn(0);,25,三、HD7279A器件介绍及C51编程,26,27,28,29,30,31,32,33,34,35,36,37,38,/pindefinesbitcs=P15;sbitclk=P16;sbitdat=P17;sbitkey=P32;voidsend_byte(unsignedcharout_byte)unsignedchari;cs=0;long_delay();for(i=0;i8;i+)if(out_byte,unsignedcharreceive_byte(void)unsignedchari,in_byte;dat=1;long_delay();for(i=0;i8;i+)clk=1;short_delay();in_byte=in_byte*2;if(dat)in_byte=in_byte|0 x01;clk=0;short_delay();dat=0;return(in_byte);,39,voidwrite7279(unsignedcharcmd,unsignedchardta)send_byte(cmd);send_byte(dta);unsignedcharread7279(unsignedcharcommand)send_byte(command);return(receive_byte();,voidlong_delay(void)unsignedchari;for(i=0;i0 x10;i+);voidshort_delay(void)unsignedchari;for(i=0;i4;i+);,40,voiddisplay_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|0 x80;write7279(0 x88,0 xff);write7279(0 xcc,0 x0c);write7279(0 x87,s1);write7279(0 x86,b);write7279(0 x85,a);,41,voiddisplay_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|0 x80;write7279(0 xc8,0 x0b);write7279(0 x83,s1);write7279(0 x82,b);write7279(0 x81,a);,42,voidservice_int0(void)interrupt0/键盘中断readkey_board();,43,voidreadkey_board(void)/按键程序unsignedcharkey_r_number;if(!key)key_r_number=read7279(cmd_read);while(!key);cur_minute=curtime1;switch(key_r_number)case6:/f1key_f1();break;case38:/f2key_f2();break;case7:/f3key_f3();break;case39:/f4key_f4();break;case14:/1key_num0_9(1);break;case22:/2key_num0_9(2);break;,case30:/3key_num0_9(3);break;case46:/4key_num0_9(4);break;case54:/5key_num0_9(5);break;case62:/6key_num0_9(6);break;case15:/7key_num0_9(7);break;case23:/8key_num0_9(8);break;case31:/9key_num0_9(9);break;case55:/0key_num0_9(1);break;case63:/okkey_numok();break;case47:/cancelkey_numcancel();breakcase255:break;default:break;return;,44,四、18b20及C51编程,45,46,47,48,49,50,51,52,53,ds18b20.c,#include#include#includevoiddelay(unsignedchartime)unsignedchars;for(s=0;stime;s+);,54,/first18b20voidwrite_bit(unsignedcharbitval)EA=0;DQ=0;_nop_();_nop_();if(bitval=1)DQ=1;EA=1;delay(5);DQ=1;,55,unsignedcharow_reset(void)unsignedcharpresence;DQ=0;delay(120);DQ=1;delay(10);presence=DQ;delay(20);return(presence);,56,unsignedcharread_byte(void)unsignedchari;unsignedcharii=0;unsignedcharvalue=0;for(i=0;i8;i+)if(read_bit()ii=0 x01i;temp,59,voidread_tmp(void)/unsignedinta,b;temp=ow_reset();write_byte(0 xcc);write_byte(0 x44);delay(20);temp=ow_reset();write_byte(0 xcc);write_byte(0 xbe);delay(20);tmp_l0=read_byte();tmp_h0=read_byte();,60,#include/functiondefinevoiddelay(unsignedchar);/first18b20voidwrite_bit(unsignedchar);unsignedcharow_reset(void);unsignedcharread_byte(void);bitread_bit(void);voidwrite_byte(unsignedchar);voidread_tmp(void);sbitDQ=P10;,ds18b20.h,61,unsignedchardatatmp_l4;unsignedchardatatmp_h4;unsignedchardatatemp;unsignedchardatatmp=0;unsignedchardataz8;sbitled=P33;sbitz1=P15;,62,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,63,modulewstitleADDRESSENCODEdesigner:YXMVER1.002003,9,01wsdeviceP22V10;ALE,WR,RD,A8,A9,A10,A11,A12,A13,A14,A15pin1,2,3,4,5,6,7,8,9,10,11;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=!WRendws,64,65,66,67,液晶显示