片機(jī)上下限溫度報(bào)警器課程設(shè)計(jì)-資料下載頁
2025-06-04 06:29本頁面
【正文】 SETB DQ NOP NOP CLR DQ 24 NOP NOP NOP SETB DQ MOV 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 ds18b20 中讀出溫度數(shù)據(jù)進(jìn)行轉(zhuǎn)換 TEMPER_COV: MOV A,0F0H ANL A,TEMPER_L SWAP A MOV TEMPER_NUM,A MOV A,TEMPER_L JNB ,TEMPER_COV1 25 SETB MOV A,TEMPER_L ANL A,0FH MOV B,100 MUL AB MOV R0,A MOV A,B ANL A,0FH SWAP A MOV B,A MOV A,R0 ANL A,0FH ORL A,B MOV TEMPER_XIAO,A LCALL BIN_BCD1 TEMPER_COV1: MOV A,TEMPER_H ANL A,07H SWAP A ORL A,TEMPER_NUM MOV TEMPER_NUM,A LCALL BIN_BCD RET BIN_BCD: 26 MOV DPTR,TEMP_TAB MOV A,TEMPER_NUM MOVC A,@A+DPTR MOV TEMPER_NUM,A RET BIN_BCD1: MOV DPTR,TEMP_TAB MOV A,TEMPER_XIAO MOVC A,@A+DPTR MOV TEMPER_XIAO,A RET TBCD_DISP: MOV A,TEMPER_NUM ANL A,0FH MOV 63H,A MOV A,TEMPER_NUM ANL A,0F0H SWAP A MOV 64H,A MOV A,TEMPER_XIAO ANL A,0FH MOV 65H,A。XIAOSHU MOV A,TEMPER_XIAO ANL A,0F0H 27 SWAP A MOV 66H, A RET TEMP_TAB: DB 00H,01H,02H,03H,04H,05H,06H,07H DB 08H,09H,10H,11H,12H,13H,14H,15H DB 16H,17H,18H,19H,20H,21H,22H,23H DB 24H,25H,26H,27H,28H,29H,30H,31H DB 32H,33H,34H,35H,36H,37H,38H,39H DB 40H,41H,42H,43H,44H,45H,46H,47H DB 48H,49H,50H,51H,52H,53H,54H,55H DB 56H,57H,58H,59H,60H,61H,62H,63H DB 64H,65H,66H,67H,68H,69H,70H,71H DB 72H,73H,74H,75H,76H,77H,78H,79H DB 80H,81H,82H,83H,84H,85H,86H,87H DB 88H,89H,90H,91H,92H,93H,94H,95H DB 96H,97H,98H,99H 。DS18B20 初始化程序 INIT_1820: SETB DQ NOP CLR DQ MOV R0,250 28 TSR1: DJNZ R0,TSR1 SETB DQ MOV R0,07H TSR2: DJNZ R0,TSR2 JB DQ,TSR3 LJMP TSR4 TSR3: SETB FLAG LJMP TSR5 TSR4: CLR FLAG LJMP TSR7 TSR5: MOV R0,06BH TSR6: DJNZ R0,TSR6 TSR7: SETB DQ RET 。延時(shí)子程序 DELAY: MOV R6,250 MOV R6,250 DJNZ R6,$ RET DELAY1: MOV R7,20H DJNZ R7,$ RET DELAY2: MOV R7,02H 29 DL0: MOV R6,0FFH DL1: DJNZ R6,DL1 DJNZ R7,DL0 RET DELAY3: MOV R7,01FH DLY: MOV R6,0F9H DLY1: DJNZ R6,DLY1 DJNZ R7,DLY RET WAIT: MOV R5,05H LP1: MOV R6,0FFH DJNZ R6,$ DJNZ R5,LP1 RET WA: MOV R5,15 D: MOV R7,01FH DY: MOV R6,0F9H D1: DJNZ R6,D1 DJNZ R7,DY DJNZ R5,D RET END 30 課程設(shè)計(jì)成績 : 項(xiàng) 目 業(yè)務(wù)考核成績（ 70%） （百分制記分） 平時(shí)成績（ 30%） （百分制記分） 綜合總成績 （百分制記分） 注 :教師按學(xué)生實(shí)際成績（平時(shí)成績和業(yè)務(wù)考核成績）登記并錄入教務(wù) MIS系統(tǒng)，由系統(tǒng)自動(dòng)轉(zhuǎn)化為“優(yōu)秀（ 90～ 100分）、良好（ 80～ 89分）、中等（ 70～ 79分）、及格（ 60～ 69分）和不及格（ 60分以下）”五等。 指導(dǎo)教師評(píng)語 : 31 指導(dǎo)教師（簽名） : 20 年 月 日
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