【正文】 SETB 01H RETKEYVALUE: DB 0FFH,7EH,7DH,7BH,77H,0BEH,0BDH,0BBH,0B7H,0DEH,0DDH,0DBH,0D7H,0EEH,0EDH,0EBH,0E7HDELAY43MS: PUSH A MOV A,R3 PUSH A MOV A,R2 PUSH AMOV R3,43DELAY: MOV R2,0FAHLOOP: NOP 。內(nèi)層循環(huán)為1MS NOP DJNZ R2,LOOPDJNZ R3, DELAY POP A MOV R2,A POP A MOV R3,A POP A RET 。確認(rèn)是否修改溫度設(shè)定ASK: MOV R0,01H 。清屏并置地址計數(shù)器AC為0 LCALL DIS_CMD_WRT MOV 40H,0ZDZ: MOV DPTR,LINE MOV A,40H MOVC A,@A+DPTR MOV R0,A LCALL DIS_DATA_WRT INC 40H MOV A,40H MOVC A,@A+DPTR CJNE A,00H,ZDZ RETLINE: DB ARE YOU SURE CHANGE T(Y/N)?,00HANSW: MOV R6,42H MOV R7,43H MOV R0,01H LCALL DIS_CMD_WRT MOV R0,44H CALL DIS_DATA_WRT MOV R0,6FH CALL DIS_DATA_WRT MOV R0,77H CALL DIS_DATA_WRT MOV R0,6EH CALL DIS_DATA_WRT MOV R0,3AH CALL DIS_DATA_WRT MOV 40H,0 CLR 00H JMP SAO1GAI: MOV R0,0FEH CALL DIS_DATA_WRT MOV R0,55H CALL DIS_DATA_WRTMOV R0,70H CALL DIS_DATA_WRT MOV R0,3AH CALL DIS_DATA_WRT MOV 40H,0SAO1: CLR 01H LCALL KEY JNB 01H,SAO1 MOV R1,A MOV B,10 DIV AB JZ NEXT2 MOV A,A1 CJNE A,11,XU JB 00H,DOWN MOV 42H,40H CPL 00H JMP GAIDOWN: MOV 43H,40H RETIXU: CJNE A,12,SAO1 MOV 42H,R6 MOV 43H,R7 RETINEXT2: MOV A,R1 ADD A,30H MOV R0,A LCALL DIS_DATA_WRT MOV A,R1 XCH A,40H MOV B,10 MUL AB NOP CLR DQ CLR CWR1: CLR DQ MOV R3,6 DJNZ R3,$ RR R4,2 R1,36H 。 低位存入36H(TEMPER_L),高位存入35H(TEMPER_ NOP NOP SETB DQMOV R3,7 DJNZ R3,$ MOV C,DQ MOV R3,23 DJNZ R3,$ RRC A DJNZ R2,RE01 MOV @R1,A DEC R1 DJNZ R4,RE00 RET 。 將從DS18B20中讀出的溫度數(shù)據(jù)進行轉(zhuǎn)換TEMPER_COV: MOV A,0f0H ANL A,TEMPER_L 。 舍去溫度低位中小數(shù)點后的四位溫度數(shù)值 SWAP A MOV TEMPER_NUM,A MOV A,TEMPER_L JNB ,TEMPER_COV1 。 四舍五入去溫度值 INC TEMPER_NUMTEMPER_COV1:MOV A,TEMPER_H ANL A,07H SWAP A ORL A,TEMPER_NUM MOV TEMPER_NUM,A 。 保存變換后的溫度數(shù)據(jù) RET ；AD0832: SETB DI SETB DO SETB CLK CLR CS NOP SETB CS CLR CLK CLR CS CALL DELAY1 SETB DI SETB CLK NOP CLR CLK SETB DI SETB CLK NOP CLR CLK CLR DI SETB CLK NOP CLR CLK NOP SETB CLK NOP CLR CLK NOP SETB CLK MOV C,DO CLR CLK RLC A。7 SETB CLK MOV C,DO CLR CLK RLC A 6 SETB CLK MOV C,DO CLR CLK RLC A 。5 SETB CLK MOV C,DO CLR CLK RLC A 。4 SETB CLK MOV C,DO CLR CLK RLC A 。3 SETB CLK MOV C,DO CLR CLK RLC A 。2 SETB CLK MOV C,DO CLR CLK RLC A 。1 SETB CLK MOV C,DO CLR CLK RLC A 。0 SETB CLK NOP CLR CLK 。1 NOP SETB CLK NOP CLR CLK 。2 NOP SETB CLK NOP CLR CLK 。3 NOP SETB CLK NOP CLK 。4 NOP SETB CLK NOP CLR CLK 。5 NOP SETB CLK NOP CLR CLK 。6 NOP SETB CLK NOP CLR CLK 。7 NOP SETB CLK NOP CLR CLK NOP SETB CLK NOP CLR CLK NOP CALL DELAY1 SETB CS RETDELAY1: MOV R7,10DELAY2: NOP NOP DJNZ R7,DELAY2 RET