【正文】 MOV A,80H //最高溫度正數(shù)時(shí) MOV B,TEMP_CUR CJNE A,B,NEXT4 //判斷當(dāng)前溫度是不是大于0NEXT4: JNC NEXT5 //當(dāng)前溫度大于0 MOV A,TEMP_CUR CJNE A,TEMP_SET_1,NEXT6 LJMP LOPP NEXT6: JC LOP1 //當(dāng)前溫度大于最低溫度 LJMP LOP5 NEXT5: MOV A,TEMP_SET CJNE A,TEMP_CUR,LOP0 LJMP LOPPLOP0: JC LOP1 //當(dāng)前溫度大于最高溫度 LJMP LOP5NEXT2: MOV A,80H MOV B,TEMP_CUR CJNE A,B,NEXT3NEXT3: JC kk1 //實(shí)際溫度不在0128之間 LJMP LOP1HERE: MOV A,80H MOV B,TEMP_CUR CJNE A,B,KKKK: JNC KK1 LJMP LOP1 //實(shí)際溫度低于最低溫度KK1: MOV A,TEMP_SET CJNE A,TEMP_CUR,LOP LJMP LOPPLOP: JC LOP1 //實(shí)際溫度大于最高溫度 LJMP LOP2LOP1: // 超出溫度限制，報(bào)警 CPL LED_R LJMP JINGBAOcontinue: SETB LED_G SETB LED_Y LJMP LOP3LOPP: //正常范圍之內(nèi)，不報(bào)警 SETB LED_R CLR LED_G SETB LED_Y CLR SOUND LJMP LOP3LOP2: MOV A,TEMP_CUR CJNE A,TEMP_SET_1,LOP4 LJMP LOPPLOP4: JC LOP1LOP5: //達(dá)到報(bào)警臨界，黃色警報(bào) SETB LED_R CLR LED_Y SETB LED_G SETB SOUNDLOP3: LJMP STARTDS18B20_INIT: SETB DQNOPNOPCLR DQMOV R7,9INIT_DELAY:CALL DELAY60USDJNZ R7,INIT_DELAYSETB DQCALL DELAY60USMOV C,DQJC ERRORCALL DELAY60USCALL DELAY60USCALL DELAY60USCALL DELAY60USRETERROR:CLR DQLJMP DS18B20_INITRETREAD_BYTE:MOV R7,08HSETB DQNOPNOPLOOP:CLR DQNOPNOPNOPSETB DQMOV R6,07HDJNZ R6,$MOV C,DQCALL DELAY60USRRC ASETB DQDJNZ R7,LOOPCALL DELAY60USCALL DELAY60USRETWRITE_BYTE:MOV R7,08HSETB DQNOPNOPNOPLOOP1:CLR DQMOV R6,07HDJNZ R6,$RRC AMOV DQ,CCALL DELAY60USSETB DQDJNZ R7,LOOP1RETDELAY60US:MOV R6,1EHDJNZ R6,$RETREAD_TEMP:CALL DS18B20_INITMOV A,0CCHCALL WRITE_BYTECALL DELAY60USCALL DELAY60USMOV A,44HCALL WRITE_BYTECALL DELAY60USREAD_T1:CALL DS18B20_INITMOV A,0CCHCALL WRITE_BYTECALL DELAY60USMOV A,0BEHCALL WRITE_BYTECALL DELAY60USCALL READ_BYTEMOV TEMP_DATA_L,ACALL READ_BYTEMOV TEMP_DATA_H,ARETMERGE_TEMP:MOV A,TEMP_DATA_HANL A,00001111BSWAP AMOV R3,AMOV A,TEMP_DATA_LANL A,11110000BSWAP AORL A,R3MOV TEMP_CUR,ARETCONVERT_TEMP:MOV A,TEMP_DATA_HANL A,80HJZ TEMPC1CLR CMOV A,TEMP_DATA_LCPL AADD A,01HMOV TEMP_DATA_L,AMOV A,TEMP_DATA_HCPL AADDC A,00HMOV TEMP_DATA_H,AMOV A,TEMP_DATA_LANL A,0FHMOV DPTR,TABLE2MOVC A,@A+DPTRMOV LCD_0,AMOV A,TEMP_DATA_LANL A,0F0HSWAP AMOV TEMP_DATA_L,AMOV A,TEMP_DATA_HANL A,0FHSWAP AORL A,TEMP_DATA_LMOV B,100DIV ABMOV LCD_3,2DHSJMP TEMPC2TEMPC1:MOV A,TEMP_DATA_LANL A,0FHMOV DPTR,TABLE2MOVC A,@A+DPTRMOV LCD_0,AMOV A,TEMP_DATA_LANL A,0F0HSWAP AMOV TEMP_DATA_L,AMOV A,TEMP_DATA_HANL A,0FHSWAP AORL A,TEMP_DATA_LMOV B,100DIV ABMOV DPTR,TABLE1MOVC A,@A+DPTRMOV LCD_3,ATEMPC2:MOV A,10XCH A,BDIV ABMOV DPTR,TABLE1MOVC A,@A+DPTRMOV LCD_2,AMOV A,BMOV DPTR,TABLE1MOVC A,@A+DPTRMOV LCD_1,A RETDISPLAY:MOV P0,80HCALL ENABLEMOV R1,50HCALL WRITE2MOV P0,0C0HCALL ENABLEMOV R1,40HCALL WRITE2RETENABLE:CLR RSCLR RWCLR ECALL DELAYSETB ERETWRITE2:MOV R2,16A2:MOV A,@R1CALL WRITE1INC R1DJNZ R2,A2MOV R2,7RETWRITE1:MOV P0,ASETB RSCLR RWCLR ECALL DELAYSETB E RETSET_TEMP:MOV A,TEMP_SETMOV B,80HLJMP OTHERGO:ANL A,BJNZ TEMP0GO1:MOV A,TEMP_SETMOV B,64HDIV ABMOV 52H,AMOV A,BMOV B,0AHDIV ABMOV 53H,A MOV 54H,BMOV A,52HADD A,30HMOV 52H,AMOV A,53HADD A,30HMOV 53H,AMOV A,54HADD A,30HMOV 54H,ARETOTHER:CJNE A,B ,GOLJMP GO1TEMP0:MOV A,TEMP_SETCPL AADD A,01HMOV B,64HDIV ABMOV 52H,2DHMOV A,BMOV B,0AHDIV ABMOV 53H,A MOV 54H,BMOV A,53HADD A,30HMOV 53H,AMOV A,54HADD A,30HMOV 54H,ARETSET_TEMP_1:MOV A,TEMP_SET_1MOV B,80HANL A,BJNZ TEMP_1MOV A,TEMP_SET_1MOV B,64HDIV ABMOV 5BH,AMOV A,BMOV B,0AHDIV ABMOV 5CH,A MOV 5DH,BMOV A,5BHADD A,30HMOV 5BH,AMOV A,5CHADD A,30HMOV 5CH,AMOV A,5DHADD A,30HMOV 5DH,ARETTEMP_1:MOV A,TEMP_SET_1CPL AADD A,01HMOV B,64HDIV ABMOV 5BH,2DHMOV A,BMOV B,0AHDIV ABMOV 5CH,A MOV 5DH,BMOV A,5CHADD A,30HMOV 5CH,AMOV A,5DHADD A,30HMOV 5DH,ARETDELAY:MOV R4,05HD1:MOV R5,0FFHDJNZ R5,$DJNZ R4,D1RETEX_INT0: JB KEY,A1MOV A,TEMP_SET_1MOV B,TEMP_SETCJNE A,B,AAA11 AAA1:PUSH ACCPOP ACCRETIA1:MOV A,TEMP_SETCJNE A,80H,BBB1PUSH ACCPOP ACCRETIBBB1:PUSH ACC INC TEMP_SETPOP ACCRETIAAA11:PUSH ACCINC TEMP_SET_1POP ACCRETIEX_INT1: JB KEY,B1MOV A,TEMP_SET_1CJNE A,0C8H,PASSLJMP AAA1PASS:PUSH ACCDEC TEMP_SET_1POP ACCRETIB1:MOV A,TEMP_SET_1MOV B,TEMP_SETCJNE A,B,BB1LJMP AAA1RETIBB1:PUSH ACCDEC TEMP_SETPOP ACCRETITABLE1:DB 30H,31H,32H,33H,34H,35H,36H,37H,38H,39H,3AHTABLE2:DB 30H,31H,31H,32H,33H,33H,34H,34H,35H,36H,37H,38H,38H,39H,39HRET JINGBAO: CALL BP1K CALL BP500 LJMP continueBP500: MOV R6, 200BP50: CPL SOUND CALL DL500US CALL DL500US DJNZ R6, BP50 RETBP1K: MOV R6, 150BP10: CPL SOUND CALL DL500US CALL DL500US DJNZ R6, BP10 RETDL500US: MOV R7, 247 DJNZ R7, $ RET END39致 謝該畢業(yè)設(shè)計(jì)的成功完成離不開我的指導(dǎo)老師的幫助，從課題的選擇、資料的準(zhǔn)備、開題報(bào)告、實(shí)習(xí)報(bào)告的寫作到課題的研究，最后到論文的修改、答辯等各個(gè)環(huán)節(jié)，都得到了我們電子信息與自動(dòng)化學(xué)院何靜老師的悉心指導(dǎo)。在每個(gè)環(huán)節(jié)，老師都是認(rèn)真、耐心的給予指導(dǎo)。尤其在論文的修改方面，本人的論文弊端比較多，修改次數(shù)多，老師每次都是對(duì)我的論文進(jìn)行修改，及時(shí)與我溝通，給予了我合理話的建議。在老師的精心指導(dǎo)下，我成功的完成了畢業(yè)設(shè)計(jì)，從中我學(xué)到了很多很多，豐富了我單片機(jī)的知識(shí)，無論是硬件電路的設(shè)計(jì)還是軟件部分的編寫都得到了很大的提升，對(duì)電子產(chǎn)品的開發(fā)有了更深的理解。使我更加喜愛電子產(chǎn)品的研發(fā)。我還要感謝我同學(xué)給予我的大力支持和幫助。感謝所有關(guān)心和幫助過我的人，你們的支持與鼓舞是我不斷向前的動(dòng)力，讓我的知識(shí)在短暫的時(shí)間的到了升華。 40