射頻身份識別系統(tǒng)

射頻卡身份識別系統(tǒng)設(shè)計PersonIdentificationSystemDesignofRFIDCard#附錄二軟件總程序ORG0000HLJMPMAINORG0003HLJMPINTOORG0013HLJMPINT1ORG0030HMAIN:CLEAR:MOVSP,#68HMOVA,#0FFHMOV@R0,ADECR0DJNZR5,CLEARMOV30H,#00HMOV31H,#00HMOV32H,#00HMOV33H,#00HMOV34H,#00HMOV35H,#00HMOV36H,#00HMOV37H,#00HMOV40H,#00HMOV41H,#00HMOV42H,#00HMOVR1,#40H;存放讀取卡內(nèi)容的單元40-42hMOVR0,#0;記錄讀取位數(shù)MOVR3,#0;記錄讀取卡字節(jié)數(shù)SETBIT0;設(shè)定INTO的觸發(fā)方式為脈沖負(fù)邊沿觸發(fā)SETBIT1SETBEX0;打開INTO中斷請求SETBEX1SETBEA;打開CPU總中斷請求CJNER3,#&NEXT1；存儲數(shù)據(jù)CUNCHU:LOOP:MOVR1,#40HLCALLCHANGE；調(diào)16進(jìn)制數(shù)轉(zhuǎn)10進(jìn)制數(shù)LCALLDISPLAY；調(diào)顯示CLREAJBP2.0,LOOPMOV40H,#00HMOV41H,#00HMOV42H,#00HMOVR3,#0INCR1CJNERl,#43H,$+3JCNEXT1NEXT1:SETBEASJMPCUNCHUINTO:INT1:CLREA；暫時關(guān)閉CPU的所有中斷請求CLRCMOVA,@R1RRCAMOV@R1,AINCR3SETBEA；允許中斷RETI；退出子程序CLREA；暫時關(guān)閉CPU的所有中斷請求;存儲HB3:INC]SETBRETIR3EA；允許中斷；退出子程序SETBRS0MOVR6,41HMOVR7,42HCLRA；BCD碼初始化MOVR3,AMOVR4,AMOVR5,AMOVR2,#10H；轉(zhuǎn)換雙字節(jié)十六進(jìn)制整數(shù)MOVA,R7；從高端移出待轉(zhuǎn)換數(shù)的一位到CY中RLCAMOVR7,AMOVA,R6RLCAMOVR6,AMOVA,R5；BCD碼帶進(jìn)位自身相加，相當(dāng)于乘2ADDCA,R5DAA；十進(jìn)制調(diào)整MOVR5,AMOVA,R4ADDCA,R4DAAMOVR4,AMOVA,R3ADDCA,R3CHANGE:SETBCMOVA,@R1RRCAMOV@R1,AMOVR3,A;雙字節(jié)十六進(jìn)制數(shù)的萬位數(shù)不超過6,不用調(diào)整DJNZR2,HB3;處理完16bitD1:CJNER5,#37H,D2LCALLCHAIZI1CLRRS0RET；與第一個正確號碼比較D2:CJNER5,#64H,D3LCALLCHAIZI1CLRRS0RET；與第二個正確號碼比較D3:CJNER5,#78H,D4LCALLCHAIZI1CLRRS0RET；與第三個正確號碼比較D4:CLRP3.4LCALLCHAIZI1CLRRS0RET；錯誤號碼，紅色LED發(fā)光報警;進(jìn)行拆字CHAIZI1:MOVA,R5ANLA,#0FHMOV30H,AMOVA,R5ANLA,#0F0HSWAPAMOV31H,AMOVA,R4ANLA,#0FHMOV32H,AMOVA,R4ANLA,#0F0HSWAPAMOV33H,AMOVA,R3ANLA,#0FHMOV34H,AMOVA,R3ANLA,#0F0HSWAPAMOV35H,ARET；==========二顯示程序==========;―-將R3-R5內(nèi)容拆分到30H-37HDISPLAY:MOVR5,#07H;顯示程序MOVR0,#37HDISPR:MOVA,R5SWAPAANLA,#0F0HORLA,@R0MOVP1,ADECR0LCALLWAITDJNZR5,DISPRCL