【導(dǎo)讀】發(fā)中首選的控制器。隨著人們生活水平的提高，如何實(shí)現(xiàn)家庭防盜這一問(wèn)題也變的尤其的突。出，傳統(tǒng)的機(jī)械鎖由于其構(gòu)造的簡(jiǎn)單，安全性能低，無(wú)法滿足人們的需要。單片機(jī)原理及應(yīng)用是一門(mén)實(shí)踐性很強(qiáng)的課程；其課程設(shè)計(jì)目的在于綜合運(yùn)用所學(xué)知識(shí)，計(jì)方案，進(jìn)行軟、硬件調(diào)試，最后獲得正確的結(jié)果，可以加深和鞏固對(duì)理論知識(shí)的更好掌握，本設(shè)計(jì)采用AT89S51單片機(jī)來(lái)作為主控芯片與數(shù)。芯片的控制程序，設(shè)計(jì)了一款可以通過(guò)紅外遙控開(kāi)鎖且具有報(bào)警功能的電子密碼鎖。

　　

【正文】 A,07H CJNE A,07H,JP3 LJMP LP1 K0P1: MOV A,P1 ANL A,07H CJNE A,07H,K0P1 LJMP KEP1 JP: LCALL D10MS MOV A,P0 CPL A ANL A,0FFH JZ C6 CJNE A,01H,KEY02 MOV P2,89H LJMP KEY1 KEY02: CJNE A,02H,KEY03 MOV P2,89H LJMP KJP1 KEY03: CJNE A,04H,KEY04 MOV P2,89H 21 LJMP KJP1 KEY04: CJNE A,08H,KEY05 MOV P2,89H LJMP KJP1 KEY05: CJNE A,10H,KEY06 MOV P2,89H LJMP KJP1 KEY06: CJNE A,08H,KEY07 MOV P2,89H LJMP KJP1 KEY07: CJNE A,10H,KEY08 MOV P2,89H LJMP KJP1 KEY08: CJNE A,10H,C6 MOV P2,89H LJMP KJP1 KJP1: MOV A,P0 CJNE A,0FFH,KJP1 C6:： LJMP WAIT 。******************************************* KEY1: LCALL MP CJNE A,02H,KEY03 MOV P2,89H KEY2: LCALL MP CJNE A,04H,KEY02 MOV P2,89H KEY3: LCALL MP CJNE A,08H,KEY02 MOV P2,89H KEY4: LCALL MP CJNE A,10H,KEY02 MOV P2,89H KEY5: MOV A,P0 CJNE A,0FFH,KEY05 MOV P2,0FFH MOV R5,30H KEY6: MOV A,P0 CPL A ANL A,0FFH JNZ BB2 MOV A,P1 CPL A ANL A,07H JZ BB1 22 LCALL D10MS MOV A,P1 CPL A ANL A,07H JZ BB1 CJNE A,04H,B1 MOV P2,89H LJMP LP2 B1: CJNE A,01H,BL1 MOV P2,89H LJMP K0P1 BL1: CJNE A,02H,BB1 MOV P2,89H LJMP K0P1 BB2: LCALL D10MS MOV A,P0 CPL A ANL A,0FFH JZ BB1 LJMP KEY02 BB1: MOV R7,0C8H BB4: MOV R6,0F9H NOP NOP BB5: DJNZ R6,BB5 DJNZ R7,BB4 DJNZ R5,KEY6 LJMP WAIT 。*******************************************密碼 81675 程序 KEP2: MOV P2,0FFH 。關(guān)顯示 MOV A,P0 CPL A ANL A,0FFH JNZ HP MOV A,P1 CPL A ANL A,07H JZ C9 LCALL D10MS MOV A,P1 CPL A ANL A,07H JZ C9 BB:： CJNE A,01H,HP1 23 MOV P2,89H LJMP K1P1 HP1: CJNE A,02H,HP2 MOV P2,89H LJMP K1P1 HP2: CJNE A,04H,C9 MOV P2,89H HP3: MOV A,P1 ANL A,07H CJNE A,07H,HP3 MOV P2,0FFH LJMP LP1 K1P1: MOV A,P1 ANL A,07H CJNE A,07H,K1P1 C9: LJMP WAIT HP: LCALL D10MS MOV A,P0 CPL A ANL A,0FFH JZ C9 CJNE A,10H,K0Y02 MOV P2,89H LJMP K0Y1 K0Y02: CJNE A,01H,K0Y03 MOV P2,89H LJMP KUP1 K0Y03: CJNE A,02H,K0Y04 MOV P2,89H LJMP KUP1 K0Y04: CJNE A,04H,K0Y05 MOV P2,89H LJMP KUP1 K0Y05: CJNE A,08H,K0Y06 MOV P2,89H LJMP KUP1 K0Y06: CJNE A,20H,K0Y07 MOV P2,89H LJMP KUP1 K0Y07: CJNE A,40H,K0Y08 MOV P2,89H LJMP KUP1 K0Y08: CJNE A,80H,U2 MOV P2,89H 24 LJMP KUP1 KUP1: MOV A,P0 CJNE A,0FFH,KUP1 U2: LJMP WAIT K0Y1: LCALL MP CJNE A,08H,K0Y02 MOV P2,89H K0Y2: LCALL MP CJNE A,04H,K0Y02 MOV P2,89H K0Y3: LCALL MP CJNE A,02H,K0Y02 MOV P2,89H K0Y4: LCALL MP CJNE A,01H,K0Y03 MOV P2,89H K0Y6: MOV A,P0 CPL A ANL A,0FFH JNZ PP2 MOV A,P1 CPL A ANL A,07H JZ PP1 LCALL D10MS MOV A,P1 CPL A ANL A,07H JZ PP1 CJNE A,04H,Y1 MOV P2,89H LJMP LP2 Y1: CJNE A,01H,Y11 MOV P2,89H LJMP K1P1 Y11: CJNE A,02H,PP1 MOV P2,89H LJMP K1P1 PP2: LCALL D10MS MOV A,P0 CPL A ANL A,0FFH JZ PP1 LJMP K0Y02 25 PP1: MOV R7,0C8H PP4: MOV R6,0F9H NOP NOP PP5: DJNZ R6,PP5 DJNZ R7,PP4 DJNZ R5,K0Y6 LJMP WAIT 。*******************************************報(bào)警程序 LP1: S