數(shù)字溫度傳感器的數(shù)字溫度計

1、AnhuiInstituteufInforniationTechnclug>數(shù)字溫度傳感器的數(shù)字溫度計設計報告專業(yè)：通信工程班級：通信1401團隊：第四組指導老師：至毅隊員：設計時間：2016年6月23日星期四電路設計:速hM二士I廣,主E7P25J413P2M4P2?U1SP1.0P3afw>M.1Pl2P324NHIP1.3P331Nf1PI.4P3*noPI.5M.SP3OT1P3.6殛PI7P37京fl0F±±±塔LWyK»祖Dsiee:otx-»lCE_如一45*ec-EOB1mB3B4xE6e7U1(X7AL1X1AL2

2、PifcllALEFAL±因.0P1.1PI2M.3P14P1.5P1.6PI7AT£3C51LS1XSOLNDKP-iO3門P3.1JAD1P32AD2PO.3JAD3P0.4JAMP3.5JAD5PO6JAD6PUJJAD/P20TA8P2.1/A9P227MQP2.3CA11P2.MM2P75rAi3P2.6A14P2.7/AI5P3Gm>P3gDPJ必iuFC3fjTP34/r。P3S/T1F3£/亟PS7JRD*mmrJsr.Fvcrb3psnrtuKlwAceocftSLMK«-SK2XX-dgriersM<o<hML

3、71;S9二、匯編程序設計DATBITP3.7swpHequ0EFHswpLequ0FFHWDLSBDATA30H;WDMSBDATA31HORG0000HLJMPMAINORG000BHLJMPTMR0ORG0100HTMR0:MOVTH0,#swpHMOVTL0,#swpLMOVDPTR,#TABLEMOVP1,#08HMOVA,41HMOVCA,A+DPTRMOVP2,ALCALLTIMEMOVDPTR,#TABLEMOVP1,#04HMOVA,42HMOVCA,A+DPTRMOVP2,ALCALLTIMEMOVDPTR,#TABLE2MOVP1,#02HMOVA,43HMOVCA,A+

4、DPTRMOVP2,ALCALLTIMEMOVDPTR,#TABLEMOVP1,#01HMOVA,44HMOVCA,A+DPTRMOVP2,ARETIMAIN:MOVP1,#00HMOVP0,#00HCLREAMOVTMOD,#01HMOVTH0,#swpHMOVTL0,#swpLSETBEASETBET0SETBTR0MOVR2,#2MOVR0,#42HOVER:MOVR0,#00H;INCR0DJNZR2,OVERLOOP:LCALLPANLCALLDSWD;SJMPLOOPDSWD:LCALLRSTSNRJNBF0,KENDMOVR0,#0CCHLCALLSEND_BYTEMOVR0,#

5、44HLCALLSEND_BYTESETBEAMOV48H,#1SS2:MOV49H,#255SS1:MOV4AH,#255SS0:DJNZ4AH,SS0DJNZ49H,SS1DJNZ48H,SS2CLREALCALLRSTSNRJNBF0,KENDMOVR0,#0CCHLCALLSEND_BYTEMOVR0,#0BEHLCALLSEND_BYTELCALLREAD_BYTEMOVWDLSB,ALCALLREAD_BYTEMOVWDMSB,A;InitoftheDS18B20;SendaConvertCommand;SendReadScratchpadcommand;Readthelowbyt

6、efromscratchpad;Savethetemperature(lowbyte);Readthehighbytefromscratchpad;Savethetemperature(highbyte)LCALLTRANS12KEND:SETBEARET.*;TRANS12:MOVA,30HANLA,#0F0HMOV3AH,AMOVA,31HANLA,#0FHORLA,3AHSWAPAMOVB,#10DIVABMOV43H,BMOVb,#10DIVABMOV42H,BMOV41H,Amova,30hanla,#00001111bmovdptr,#tab1MOVCA,A+DPTRMOV44H,

7、ARETSEND_BYTE:;MOVA,R0MOVR5,#8SEN3:CLRCRRCAJCSEN1LCALLWRITE_0SJMPSEN2SEN1:LCALLWRITE_1SEN2:DJNZR5,SEN3;RETREAD_BYTE:MOVR5,#8READ1:LCALLREADRRCADJNZR5,READ1;R0,AMOVRETRSTSNR:SETBNOPNOPDATCLRDATMOVR6,#250DJNZR6,$MOVR6,#50DJNZR6,$SETBDAT;MOVR6,#15DJNZR6,$CALLCHCK;MOVR6,#60DJNZR6,$SETBDATRETCHCK:MOVC,DA

8、TJCRST0SETBF0;SJMPCHCK0RST0:CLRF0;CHCK0:RETWRITE_0:CLRDATMOVR6,#30DJNZR6,$SETBDATRETWRITE_1:CLRDATNOPNOPNOPNOPNOPSETBDATMOVR6,#30DJNZR6,$RET*;READ:SETBDAT;NOPNOPCLRDATNOPNOPSETBDAT;NOPNOPNOPNOPNOPNOPNOPMOVC,DATMOVR6,#23DJNZR6,$RETPAN:MOVA,#02HSUBBA,42HJCPAN1LJMPPAN3PAN1:MOVA,#01HSUBBA,43HJCPAN2LJMPPAN3PAN2:setbP1.7RETPAN3:clrP1.7RETTABLE:DB0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90HTABLE2:DB40H,79H,24H,30H,19H,12H,02H,78H,00H,10HTIME:MOVR5,#5D1:MOVR6,#1