實驗溫度控制器電路仿真一、 實驗?zāi)康?、?握溫度控制器電路設(shè)計方法。2、掌握溫度控制器程序設(shè)計方法。3、掌握溫度控制器電路仿真調(diào)試。二、 實驗儀器設(shè)備、計1算機(jī)、 仿真軟件、 仿真軟件、 仿真軟件、 編程軟件、仿6真器、編7程器、印8制電路板三、 實驗任務(wù)由熱敏電阻溫度傳感器測量環(huán)境溫度，將其電壓值送入 的通道進(jìn)行模數(shù)轉(zhuǎn)換，轉(zhuǎn)換所得數(shù)字量由數(shù)據(jù)端?輸出到的口，經(jīng)軟件處理后將測得的溫度值經(jīng)單片機(jī)的端串行輸出到 ，經(jīng) 串并轉(zhuǎn)換后，輸出到數(shù)碼管的個顯示段，用數(shù)字形式顯示出當(dāng)前溫度值。輸出驅(qū)動控制信號由P1.0輸出，4個LED為狀態(tài)指示，其中LED1為輸出驅(qū)動指示，LED2為溫度正常指示，LED3為高于上限溫度指示，LED4為低于下限溫度指示。當(dāng)溫度高于上限溫度值時，由P1.0輸出驅(qū)動信號，驅(qū)動外設(shè)電路工作，LED1亮。外設(shè)電路工作后，溫度下降，當(dāng)溫度降到正常溫度后，LED1亮、LED2亮。溫度繼續(xù)下降，當(dāng)溫度下降到下限溫度值時，P1.0驅(qū)動信號停止輸出，外設(shè)電路停止工作，LED4亮。當(dāng)外設(shè)電路停止工作后，溫度開始上升，接著進(jìn)行下一工作周期。五、實驗仿真電路圖六、實驗程序1、程序流程圖圖5溫度采樣及模數(shù)轉(zhuǎn)換子程序流程圖、程序清單ORG0000HLJMPMAINORG000BHLJMPT0INTORG0100HMAIN:MOVR1,#10MOVP1,#0FFHMOVSP,#60HMOVTMOD,#01HMOVTL0,#0B0HMOVTH0,#3CHMOVIE,#82HSETBTR0SJMP$ORG0200HT0INT:DJNZR1,NEXTLCALLADCONLCALLCALCULCALLDRVCONLCALLMETRICCONLCALLDISPMOVR1,#10NEXT:MOVTL0,#0B0HMOVTH0,#3CHRETIORG0300HADCON:MOVDPTR,#0F0FFHMOVA,#00HMOVX@DPTR,AHERE:JNBP3.3,HEREMOVXA,@DPTRMOV20H,ARETORG0400HCALCU:MOVR2,#01HMOVDPTR,#DATATABNEXT1:MOVA,R2MOVCA,@A+DPTRCJNEA,20H,K1DECR2MOVA,R2MOVCA,@A+DPTRLJMPK3K1:JNCK2DECR2DECR2DECR2MOVA,R2MOVCA,@A+DPTRLJMPK3K2:INCR2INCR2LJMPNEXT1K3:MOV21H,ARETDATATAB:DB0,194,1,193,2,192,3,191,4,190DB5,189,6,188,7,187,8,186,9,185DB10,184,11,182,12,181,13,180,14,178DB15,177,16,175,17,174,18,173,19,171DB20,169,21,168,22,166,23,165,24,163DB25,161,26,159,27,158,28,156,29,154DB30,152,31,150,32,149,33,147,34,145DB35,143,36,141,37,139,38,137,39,135DB40,133,41,131,42,129,43,127,44,125DB45,123,46,121,47,118,48,116,49,114ORG0500HDRVCON:MOVA,21HCJNEA,#30,J1LJMPGOJ1:JNCDRV1CJNEA,#25,J2LJMPGOJ2:JCDRV2LJMPGODRV1:CLRP1.0SETBP1.1CLRP1.2SETBP1.3LJMPOVERDRV2:SETBP1.0SETBP1.1SETBP1.2CLRP1.3LJMPOVERGO:CLRP1.1SETBP1.2SETBP1.3OVER:RETORG0600HMETRICCON:MOVR3,#00HMOVR4,#00HMOVA,21HCLRCW1:SUBBA,#100JCW2INCR4AJMPW1W2:ADDA,#100CLRCW3:SUBBA,#10JCW4INCR3

AJMPW4:ADDMOVMOVMOVRETW3A,W3A,#1030H,A31H,R332H,R4DISP:MOVR5,#03HMOVR0,#30HMOVDPTR,#TABLOOP:MOVA,@R0MOVCA,@A+DPTRMOVSBUF,AWAIT:JNBTI,WAITCLRTIINCR0DJNZR