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電子稱(chēng)畢業(yè)設(shè)計(jì)-畢業(yè)設(shè)計(jì)-資料下載頁(yè)

2025-01-19 03:12本頁(yè)面

【導(dǎo)讀】它與我們?nèi)粘I罹o密結(jié)合成為一種方便、快捷、稱(chēng)量精確的工具,廣泛應(yīng)用于。商業(yè)、工廠生廠、集貿(mào)市場(chǎng)、超市、大型商場(chǎng)、及零售業(yè)等公共場(chǎng)所的信息顯示和重量計(jì)算。顯示電路及強(qiáng)大軟件來(lái)組成。能外,還可實(shí)現(xiàn)去皮、凈/毛轉(zhuǎn),自動(dòng)計(jì)算,數(shù)字顯示,受到廣大用戶(hù)歡迎。智能電子稱(chēng)由于攜。帶方便,使用簡(jiǎn)單,對(duì)人們生活的影響越來(lái)越大。本系統(tǒng)是針對(duì)是電子稱(chēng)的自動(dòng)稱(chēng)重、自動(dòng)計(jì)價(jià)、數(shù)據(jù)處理進(jìn)行研究的。何對(duì)采樣數(shù)據(jù)進(jìn)行處理,對(duì)數(shù)據(jù)的采集和轉(zhuǎn)換、計(jì)算問(wèn)題進(jìn)行了研究。討論了單片機(jī)控制系統(tǒng)。中關(guān)鍵的中斷、計(jì)算問(wèn)題,結(jié)果表明通過(guò)軟件設(shè)計(jì)實(shí)現(xiàn)更完善。本文在給出智能電子稱(chēng)硬件設(shè)。廉,深受人們的喜愛(ài),本文將對(duì)此進(jìn)行詳細(xì)討論。

  

【正文】 LJMP TO ORG OO13H LJMP INT1 ORG OO1BH LJMP T1 RETI ; 定時(shí) ORG 0000H T0: MOV TMOD , 51H MOV TH1, 0 MOV TL1, 0 MOV TH0, 3CH MOV TL0, 0B0H MOV IE, 82H MOV R6, 0AH SETB TR1 SETB TR0 SETB EA NEXT0: JBC F0, INT1 SJMP NEXT0 ; A/D 采樣處理 INT1: CLR SETB MOV R0 , 30H MOV R7, 08H SETB EA SETB EX1 CLR F1 NEXT1: JBC F1, ELSE1 SJMP NEXT1 ELSE1: MOV R7,08H DDM2: MOV A, R7 MOV R2, A PUSH DPL PUSH DPH CLR A MOV R3, A MOV R4, A MOV R5, A DM20: MOVX A, @DPTR MOV B,A INC DPTR MOVX A, @DPTR INC DPTR ADD A,R5 MOV R5,A MOV A ,B ADDC A,R4 MOV R4, A JNC DM21 INC R3 DM21: DJNZ R2,DM20 POP DPH POP DPL LCALL DV31 定時(shí) T0 中斷 ORG 000BH DJNZ R6, DS1 DS0: MOV A, TH1 MOV R2, TL1 CJNE A, TH1 DSS0 MOV R1, TH1 RETI DS1: MOV THO, 3CH MOV TL0, 0BH RETI ORG 0013H LJMP TRANS 外部中斷 1 服務(wù)程序 TRANS MOV DPTR , 0FFFFH MOVX A, @DPTR MOV @R0 ,A INC R0 MOV DPTR , 0FFFFH MOVX A, @DPTR MOV @R0, A DJNZ R7, TRANS SJMP DONE DONE: SETB F0 RETI ;鍵盤(pán)中斷 ORG 0040H START : CLR EA MOV DPTR ,0D1H MOVX @DPTR,A MOVX A,@DPTR TB AT,LP MOV A,00H MOVX @DPTR,A MOV A,24H MOVX @DPTR,A SETB EXT0 SETB EA PP: NOP LCALL DIS NOP NOP JMP PP 鍵輸入中斷服務(wù)程序: ORG 0003H INTO: PUSH PSW PUSW DPH PUSH DPL PUSH ACC MOV DPTR,7FFFH MOV A,40H MOVX @DPTR,A MOV DPTR,7FFFEH MOVX A,@DPTR MOV B,A POP ACC POP DPL POP DPH POP PSW SETB EA RETI ;顯示子程序 DISP : MOV DPTR ,7FFFH MOV A,90H MOVX @DPTR ,A MOV R0,78H MOV R7,08H MOV DPTR, 7FFEH DISPL1: MOV A, R0 ADD A, 05H MOVC A, @A+PC MOVX @DPTR , A INC R0 DJNZ R7, DISPL1 RET SEGPT: DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H 。39。0,1,2,3,4,5,6,739。 DB 7FH,6FH,77H,7CH,39H,5EH,79H,71H 。39。8,9,A,B,C,D,E,F39。 DB 80H ; END LTB5: MOV DPTR,TAB5 MOV B,A LOP5: CLR A MOVC A,@A+DPTR JZ LEND INC DPTR CJNE A,B,LNF5 CLR A MOVC A,@A+DPTR MOV B,A INC DPTR CLR A MOVC A,@A+DPTR MOV DPL,A MOV DPH,B CLR A JMP @A,DPTR LNF : INC DPTR INC DPTR CLR SETB MOV R0, F4H MOV R6, 64H LCALL MULD LCALL DV31 LJMP ZH ZH: LCALL INTO LCALL DIVD LCALL NIBTD LCALL DISP RET SETB PSW, 4 SETB LCALL NIDTB MOV 40H, @R4 LCALL MULD LCALL DISP RET LOOP: MOV R0,50H MOV R0,00H INC R0 JNE R0,6F,LOOP RET DIVD: CLR C MOV A, R3 SUBB A, R7 MOV A, R2 SUBB A, R6 JC DVD1 SETB OV RET DVD1: MOV B, 10H CLR C MOV A, R5 RLC A MOV R5, A MOV A, R4 RLC A MOV A, R3 XCH A, R2 RL A XCH A, R2 MOV F0, C CLR C SUBB A, R7 MOV R1, A MOV A, R2 SUBB A, R6 ANL C, /F0 JC DVD3 MOV R2, A MOV A, R1 MOV R3, A INC R5 DVD3: DJNZ B, DVD2 MOV A, R4 MOV R2, A MOV A, R5 MOV R3, A CLR RET END MULD: MOV A,R3 MOV B,R7 MUL AB MOV R4,B MOV R5,A MOV A,R3 MOV B,R6 MUL B,R6 MUL AB ADD A,R4 MOV R4,A CLR A ADDC A,B MOV R3,A MOV A,R2 MOV B,R7 MUL AB ADD A,R4 MOV R4,A MOV A, R3 ADDC A,B MOV R3,A CLR A RLC A XCH A,R2 MOV B,R6 MUL AB ADD A,R3 MOV R3,A MOV A, R2 ADDC A, B MOV R2, A RET DV31: CLR C MOV A, R3 SUBB A, R7 JC DV30 SETB OV RET DV30: MOV R2, 10H DM23: CLR C MOV A, R5 RLC A MOV R5, A MOV A,R4 RLC A MOV R4,A MOV A, R3 RLC A MOV R3,A MOV F0,C CLR C SUBB A,R7 ANL C,/F0 JC DM24 MOV R3,A INC R5 DM24: DJNZ R2,DM23 MOV A,R3 ; ADD A,R3 JC DM25 SUBB A,R7 JC DM26 DM25: INC R5 MOVA, R5 JNZ DM26 INC R4 DM26: CLR OV RET NIBTD: MOV A,R0 MOV R5,A MOV A,R1 MOV R6,A MOV A,R7 MOV R3,A CLR A NBD0: MOV @R1,A INC R1 DJNZ R3,NBD0 MOV A,
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