課程設(shè)計(jì)-基于單片機(jī)的大氣參數(shù)監(jiān)測(cè)系統(tǒng)的設(shè)計(jì)(編輯修改稿)
2025-07-10 16:30 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 MOV TL0, TIMEL INC R7 CJNE R7, 32H, T0IT1 MOV R7, 00H SETB TIME1SOK。1 T0IT1: POP PSW RETI MAIN: LCALL DISP1 JNB TEMPONEOK 。 MAIN2 CLR TIME1SOK JNB TEMPONEOK LCALL READTEMP1 LCALL CONVTEMP BCD LCALL DISPBCD BCD LCALL DISP1 MAIN2: LCALL READTEMP。 LJMP MAIN INITKEY: SETB TEMPDIN NOP NOP CLR TEMPDIN MOV R6, 0AOH DJNZ R6, $ SETB TEMPDIN MOV R6, 32H DJNZ R6 , $ MOV R6 , 3CH LOOPKEY: MOV C, TEMPDIN JC INNITKEYOUT DJNZ R6, LOOP1820 MOV R6, 064H DJNZ R6, $ SJMP INITKEY RET INITKEYOUT: SETB TEMPIN RET READKEY: MOV R7, 08H SETB TEMPDIN NOP NOP READKEYLOOP: CLR TEMPDIN NOP NOP NOP SETB TEMPDIN MOV R6, 07H DJNZ R6, $ MOV C, TEMPDIN MOV R6 , 3CH DJNZ R6, $ RRC A SETB TEMPDIN DJNZ R7,READKEYLOOP MOV R6,$ RET WRITE: MOV R7,08H SETB TEMPDIN NOP NOP WRITE LOP: CLR TEMPDIN MOV R6, 07H DJNZ R6, $ RRC A MOV TEMPDIN, C MOV R6, 34H DJNZ R6, $ SETB TEMPDIN DJNZ R7, WRITEKEYLOP RET CONVTEMP: MOV A, TEMPH ANL A, 80H JZ TEMPC1 CLR C MOV A, TEMPL CPL A ADD A, 01H MOV TEMP , A MOV A, TEMP CPL A ADDC A, 00H MOV TEMP, A MOV TEMPHC , 0BH SJMP TEMPC11 TEMPC1: MOV TEMPC, OAH TEMPC11: MOV A, TEMPHC SWAP A MOV TEMPHC, A MOV A, TEMPL ANL A, 0FH MOV DPTR, TEMPDOTTAB MOVC A,@A+DPTR MOV TEMPLC , A MOV A, TEMPL ANL A, 0FOH SWAP A MOV TEMPL, A MOV A, TEMPH ORL A, 0FH SWAP A LCALL HEX2BCD1 MOV TEMPL, A ANL A, 0F0H ANL A, OFOH SWAP A ORL A, TEMPHC MOV TEMP, A MOV A, TEMP ANL A, 0FH SWAP A ORL A, TEMPC MOV TEMPLC, A MOV A, R7 JZ TEMPC12 ANL A, OFH SWAP A MOV R7, A MOV A, TEMPHC ANL A, OFH ORL A, R7 MOV TEMPHC, A TEMPC12: RET TEMPDOTTAB: DB 00H,01H,02H,03H,04H,05H,06H,07H,06H,08H,09H DISPBCD: MOV A, TEMPLC ANL A, OFH MOV 70H, A MOV A, TEMPLC SWAP A ANL A, 0FH MOV 71H, A MOV A, TEMPHC ANL A, 0F0H MOV 72H , A MOV A, TEMPHC SWAP A ANL A, 0FH MOV 73H , A MOV A, TEMPHC ANL A, 0F0H CJNE A, 01H,DISPBCD SJMP DISPBCD2 DISPBCD0: MOV A, TEMPHC ANL A, 0F0H JNZ DISPBCD2 MOV A, TEMPHC SWAP A ANL A, 0FH MOV 73H, 0AH MOV 72H , A DISPBCD2: RET DISP1: MOV R1, 70H MOV R5, 0FEH PLAY: MOV P1, OFEH MOV A, R5 MOV P3, A MOV A,@R1 MOV DPTR, TAB MOVC A,@A+DPTR MOV P1, A MOV A, R5 JB , LOOP5 CLR LOOP5: LCALL DL1MS INC R1 MOV A, R5 JNB , ENDOUT RL A MOV R5, A AJMP PLAY ENEOUT: MOV P3 , 0FFH
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