電子密碼鎖設(shè)計方案(參考版)
2025-05-02 08:52本頁面
【正文】 ******* 毫秒延時程序 *********T10MSD:SETB RS0MOV R4, 12TM:MOV R3, 128TM6:DJNZ R3, TM6DJNZ R4, TMCLR RS0RETT100MSD:MOV R3, 200D11:MOV R4, 125D12:DJNZ R4, D12DJNZ R3, D11RETT500MSD:LCALL T100MSDLCALL T100MSDLCALL T100MSDLCALL T100MSDLCALL T100MSDNOPRETSEC:SETB RS1MOV R7, 0AHSEC_LP:LCALL T100MSDDJNZ R7,SEC_LPNOPCLR RS1RET。一字節(jié)數(shù)據(jù)發(fā)送子程序WRBYT: MOV R5,8WLP: RLC AJC WR1CLR SDASETB SCLNOPNOPCLR SCLDJNZ R5,WLPRETWR1: SETB SDASETB SCLNOPNOPCLR SCLCLR SDADJNZ R5,WLPRET。R6:寫的字節(jié)數(shù)(頁)，R7:寫的起始地址WRT: NOPNOPLCALL START0MOV A,0A0HLCALL WRBYTLCALL CHKJB F0,WR_FAILMOV A,R7LCALL WRBYTLCALL CHKJB F0,WR_FAILWR_N: NOPNOPMOV A,R0LCALL WRBYTLCALL CHKJB F0,WR_FAILDEC R0DJNZ R6,WR_NWR_FAIL:NOPLCALL STOPMOV A,0FFHRET。GO_ACK: NOPNOPDEC R0LCALL ACKJMP RD_N。讀串行器件 R0:RAM的起始地址,R5:位計數(shù)器,。24C02 RAM 首地址LCALL WRT 。8字節(jié)MOV R5,08H 。讀數(shù)據(jù)NOPNOPPOP ACCPOP PSWRETAT_WR:PUSH PSWPUSH ACCMOV R0,PS1 。8位MOV R7,00H 。CPU首地址MOV R6,06H 。鎖定狀態(tài)顯示XSE:PUSH ACCPUSH PSWMOV SBUF, 0FEHJNB TI, $CLR TIMOV SBUF, 54HJNB TI, $CLR TIMOV SBUF, 39HJNB TI, $CLR TIMOV SBUF, 11HJNB TI, $CLR TIMOV SBUF, 3DHJNB TI, $CLR TIMOV SBUF, 0FEHJNB TI, $CLR TIPOP PSWPOP ACCRETXSF:PUSH ACCPUSH PSWMOV SBUF, 98HJNB TI, $CLR TIMOV SBUF, 38HJNB TI, $CLR TIMOV SBUF, 39HJNB TI, $CLR TIMOV SBUF, 39HJNB TI, $CLR TIMOV SBUF, 3DH JNB TI, $CLR TIMOV SBUF, 98HJNB TI, $CLR TIPOP PSWPOP ACCRETKILLXS:PUSH ACCPUSH PSWMOV R7, 06HLOOP_XS:MOV SBUF, 0FFHJNB TI, $CLR TIDJNZ R7,LOOP_XSNOPPOP PSWPOP ACCRETTAB: DB 11H,0D7H,32H,92H,0D4H,98H,18H,0D1H,10H,90H ,0FFH。MOV R6, TIMERSMOV A, R6SUBB A, 01HJNC SC0JZ SC1SC0:MOV SBUF, 0FEHJNB TI, $CLR TISC1:MOV A, R6SUBB A, 02HJNC SC11JNZ SC2SC11:MOV SBUF,0FEHJNB TI, $CLR TISC2:MOV A, R6SUBB A, 03HJNC SC22JNZ SC3SC22:MOV SBUF, 0FEHJNB TI, $CLR TISC3:MOV A, R6SUBB A, 04HJNC SC33JNZ SC4SC33:MOV SBUF, 0FEHJNB TI, $CLR TISC4:MOV A, R6SUBB A, 05HJNC SC44JNZ SC5SC44:MOV SBUF, 0FEHJNB TI, $CLR TISC5:MOV A, R6SUBB A, 06HJNC SC55JNZ SC6SC55:MOV SBUF, 0FEHJNB TI, $CLR TISC6:MOV A, R6SUBB A, 07HJNC SC66JNZ EXIT_CSC66:MOV SBUF, 0FEHJNB TI, $CLR TINOPNOPEXIT_C:NOPCLR RS1POP PSWPOP ACCNOPRET。切換到第三組寄存器。成功開鎖狀態(tài)顯示XSB:PUSH ACCPUSH PSWMOV A, TIMERS1MOV DPTR, TABMOVC A, A+DPTRMOV SBUF, AJNB TI, $CLR TIMOV SBUF, 0FEHJNB TI, $CLR TIMOV SBUF, 0FEHJNB TI, $CLR TIMOV SBUF, 10HJNB TI, $CLR TIMOV SBUF, 10HJNB TI, $CLR TIMOV SBUF, 10HJNB TI, $CLR TIPOP PSWPOP ACCRET。送短線JNB TI, $CLR TI 。送已經(jīng)輸入密碼的次數(shù)JNB TI, $CLR TIMOV SBUF, 0FEH 。鎖定狀態(tài)顯示。功能:分五屏幕顯示數(shù)據(jù)，分別是XSA,XSB,XSC,XSD,。鳴笛子程序LCALL T100MSDSETB SPKNOPRET。鎖定1分鐘M1_LOOP:LCALL SECDJNZ R4,M1_LOOPNOPRETWARN2S:PUSH PSWPUSH ACCMOV R5, 14H 。 ******檢驗密碼正誤******C_PSW:PUSH PSWPUSH ACCMOV R2,06HMOV R0,PS1MOV R1,AT1C_P:CLR CMOV A,R0SUBB A,R1JNZ RETURNDEC R0DEC R1DJNZ R2,C_PNOPSETB PSW_FAJMP EXIT7RETURN:CLR PSW_FEXIT7:NOPPOP ACCPOP PSWRET。假若是數(shù)字按鍵則標(biāo)志置為0SETB FLAG1 。判斷下一列MOV A, 18HLKP:ADD A, R4PUSH ACCLK3:ACALL KSJNZ LK3POP ACCRETNEXTT:INC R4MOV A, R2JNB ,KNDRL AMOV R2, AAJMP LK4KND:AJMP CH_KEYKS:MOV P0, 0FHNOPMOV A, P0CPL AANL A, 0FHNOPRETCH_KF:CLR CMOV A, BUFF 。 ** 按鍵識別子程序 ********SBIE:MOV R2, 0EFH 。密碼輸入的次數(shù)清零。**** 注意清楚緩沖區(qū)時AT1...AT6不應(yīng)在初始化中執(zhí)行,以防兩緩沖區(qū)都為0,相同開鎖 ***CLR_BUF:MOV R7, 06HMOV R0, 6FHLOOP1:MOV A, 00HMOV R0, ADEC R0DJNZ R7,LOOP1RET。開門LCALL BPLCALL BPLCALL BPLCALL BPLCALL SECLCALL SECLCALL SECLCALL SECLCALL SECLCALL SECLCALL SECLCALL SECSETB JDQLCALL XSANOPAJMP EXIT。跳出AT_WRON:LCALL AT_WRLCALL XSFLCALL BPLCALL T100MSDLCALL BPLCALL T500MSDLCALL KILLXSLCALL T500MSDLCALL XSFLCALL T500MSDLCALL KILLXSLCALL T500MSDLCALL XSFLCALL T500MSDNOPNOPLCALL XSAAJMP EXITOPEN:MOV A, TIMERS1CJNE A, 09H,CLT1CLT1:JC GOON1MOV TIMERS1,00HGOON1:INC TIMERS1 。鎖定5分鐘LCALL WARN2SLCALL LOCK_1MNEXT1:LCALL WARN2S 。密碼錯誤，調(diào)入輸入密碼輸入次數(shù)，準(zhǔn)備鎖定鍵盤CJNE R7,03H,D0D0:JC NEXT1 。比較密碼子程序JB PSW_F,OPEN 。F2按鍵標(biāo)志,若為1，則調(diào)用修改密碼子程序。INC F_F1CLR FLAG1AJMP CH_KEYFU2:NOPJB F
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