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                  關(guān)于非接觸式IC智能(射頻)卡及其讀寫(xiě)設備內核技術(shù)的研究與應用開(kāi)發(fā)(連載10)

                  文章出處:http://psychicreadingswithdeb.com 作者:張敏&nbsp;&nbsp; 人氣: 發(fā)表時(shí)間:2011年11月01日

                  [文章內容簡(jiǎn)介]:關(guān)于非接觸式IC智能(射頻)卡及其讀寫(xiě)設備內核技術(shù)的研究與應用開(kāi)發(fā)(連載10)

                  ACALL DISPLAY
                      ACALL H_DISPLAY
                      ACALL d500ms
                      CLR P2.6    ;CLEAR OKLAMP  P2.3
                      ACALL INIT_DISP_BUF
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                  ;++++++++++++++++++ set up register/ram for Authenticate() ++++++++++++++++++
                      ;mov 7fh,#04h
                  ;7EH:for future use!
                      MOV 7EH, #80H      ;(7EH) = 80H-->SELECT KEYSET0 (KS1=0;KS0=0)
                         
                      MOV 7DH,#82H      ;(7DH): 1)SELECT KEYA or KEYB (for auth_)
                                  ;    2)SELECT sector ADDRESS :0-15 (for auth_)
                      MOV 7CH,#60H      ;Select: Auth_ instruction code 
                  ;=========================================================
                      ACALL AUTHENTICATION  ;MCM AUTHENTICATE OPERATION
                  ;=========================================================
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                      ACALL D500MS
                      CLR P2.6    ;CLEAR OKLAMP P2.3
                      ACALL INIT_DISP_BUF
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                  ;++++++++++++++++++ set up register/ram for Write() ++++++++++++++++++
                      ; MOV 7EH, #00H   ;(7EH):The first_address(MSB) storing the data which
                      ;7EH:for future use!;    you want to write the data to the MCM/CARD
                    ;   MOV 7DH,#50h    ;(7DH): The first_address(LSB) storing the data which
                                ;    you want to write the data to the MCM/CARD
                    ;   MOV 7CH,#0BH    ;Select: written address(block no.):0~~63 
                    ;  LCALL WRITE_KEY_A 
                  ;=========================================================
                    ;   ACALL write  ;MCM write OPERATION
                  ;=========================================================
                    ;   ACALL DISPLAY
                    ;   ACALL H_DISPLAY
                    ;   ACALL D500MS
                    ;   CLR P2.6    ;CLEAR OKLAMP  P2.3
                    ;   ACALL INIT_DISP_BUF
                    ;   ACALL DISPLAY
                    ;   ACALL H_DISPLAY
                  ;++++++++++++++++++ set up register/ram for Read() ++++++++++++++++++
                      ;MOV 7EH, #00H  ;(7EH):The first address(HIGH_byte) which you want to
                      ;7EH:for future use!  ;read the data from the MCM/CARD into cpu_ram
                      MOV 7DH,#50h   ;(7DH):The first address(LOW_byte) which you want to
                               ;    read the data from the MCM/CARD into cpu_ram
                      MOV 7CH,#08h   ;Select:The address(block no.) you want to read:0-63 
                  ;==========================================================
                      LCALL READ   ;MCM READ OPERATION
                  ;=========================================================
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                      ACALL D500ms
                      CLR P2.6    ;CLEAR OKLAMP  P2.3
                      ACALL INIT_DISP_BUF
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                  ;==========================================================
                      LCALL HALT   ;MCM HALT OPERATION
                  ;=========================================================
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                      ACALL D500MS
                      CLR P2.6    ;CLEAR OKLAMP  P2.3
                      ACALL INIT_DISP_BUF
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                  ;==========================================================
                      LCALL DISP_RD_BLK   ;DISPLAY JUST READ BLOCK VALUES
                  ;=========================================================
                      LCALL CLEAR_DISP_RD_BLK_IN_CPU ;CLEAR :FILL WITH #11H  
                  ;=========================================================
                      CLR P2.6    ;CLEAR OKLAMP  P2.3
                      ACALL INIT_DISP_BUF
                      ACALL DISPLAY
                      ACALL H_DISPLAY
                      ;CLR P2.5    ;RESET MCM (-RST=0) P1.4
                      ;SETB P2.4   ;RESET MCM (-CS=1)  P1.5
                      MOV A,#80H   ;SOFTWARE_RESET MCM
                      MOV R0,#01H
                      MOVX @R0,A
                       ;LJMP REPEAT
                      RET
                  ;----------------------------------------------------

                  D500US:        
                  D500US_LOOP1:     
                      MOV R6,#05H  
                  D500US_LOOP2:
                      NOP
                      NOP
                      NOP
                      NOP
                      NOP
                      NOP
                      NOP
                      NOP
                      DJNZ R6,D500US_LOOP2
                      DJNZ R7,D500US_LOOP1
                      RET
                  ;----------------------------------------------------
                  D500MS:
                      setb psw.3
                      setb psw.4  
                      MOV R3,#19H 
                  LOOP_1: MOV R4,#32H 
                  LOOP_2: MOV R5,#64H 
                  LOOP_3: DJNZ R5,LOOP_3
                      DJNZ R4,LOOP_2
                      DJNZ R3,LOOP_1
                      clr psw.3
                      clr psw.4  
                      RET
                  ;--------------------------
                  D2S:
                      setb psw.3
                      setb psw.4   
                      MOV R6,#06H
                  LOOP:  ACALL D500MS
                      DJNZ R6,LOOP
                      clr psw.3
                      clr psw.4  
                      RET
                  ;--------------------------
                  SPK_ON:
                      setb psw.3
                      setb psw.4
                      CLR P2.7
                      ACALL D500MS
                      SETB P2.7
                      clr psw.3
                      clr psw.4  
                      RET
                  ;--------------------------
                  DISPLAY:
                      SETB PSW.3
                      SETB PSW.4
                       CLR P2.2   ;SELECT MC14499'S -ENB
                       MOV R0,#36H ;DISPLAY BUF FIRST ADDRESS
                       MOV R1,#05H ;R1 AS A COUNTER
                  NEXT_CHAR: MOV A , @R0
                       SWAP A   
                       ACALL DISP_ONE
                       INC R0
                       DJNZ R1,NEXT_CHAR
                       SETB P2.2  ;RELEASE MC14499'S -ENB
                      CLR PSW.3
                      CLR PSW.4
                       RET
                  ;--------------------------    
                  DISP_ONE:
                       MOV R2,#04H 
                  NEXT_BIT:SETB P2.1  ;SELECT MC14499'S CLK=1
                       RLC A    ;ONE BIT MOVE TO PSW.C
                       MOV P2.0, C 
                       CLR P2.1   ;CLK=0
                       DJNZ R2, NEXT_BIT
                       RET
                  ;--------------------------
                  H_DISPLAY:
                      SETB PSW.3
                      SETB PSW.4
                      CLR P2.3        ; -ENB
                      MOV R0,#31H
                      MOV R1,#05H
                      NOP
                      NOP
                  H_NEXT_CHAR: MOV A, @R0
                      SWAP A
                      ACALL H_DISP_ONE
                      INC R0
                      DJNZ R1,H_NEXT_CHAR
                      SETB P2.3        ; -ENB
                      CLR PSW.3
                      CLR PSW.4
                       RET
                  ;----------------------------
                  H_DISP_ONE:
                      MOV R2,#04H
                  H_NEXT_BIT: SETB P2.1    ; CLK
                      RLC A
                      MOV P2.0, C     ; DATA
                      CLR P2.1      ; CLK
                      DJNZ R2, H_NEXT_BIT
                      RET
                  ;===========================
                  INIT_DISP_BUF:
                      SETB PSW.3
                      SETB PSW.4
                      MOV R0,#0AH
                      MOV R1,#31H
                  INIT_AGAIN: MOV @R1,#00H  ;SET 31H--40H UNITS AS 00H
                      INC R1
                      DJNZ R0, INIT_AGAIN
                      CLR PSW.3
                      CLR PSW.4
                      RET
                  ;--------------------------
                  SEND_TO_BUF01:
                      SETB PSW.3
                      SETB PSW.4
                      MOV B,A
                      MOV 3AH,A        ;(3AH)
                      SWAP A
                      MOV 39H,A        ;(39H)
                      MOV A,B
                      CLR PSW.3
                      CLR PSW.4
                      RET
                  ;--------------------------
                  SEND_TO_BUF23:
                      SETB PSW.3
                      SETB PSW.4
                      MOV B,A
                      MOV 38H,A        ;(38H)
                      SWAP A
                      MOV 37H,A        ;(37H)
                      MOV A,B
                      CLR PSW.3
                      CLR PSW.4
                      RET

                  ;--------------------------
                  SET_POINT0:
                      SETB PSW.4
                      SETB PSW.3
                      MOV R1,#36H       ;(36H)
                      MOV @R1,#01H
                      MOV R1,#31H       ;(31H)
                      MOV @R1,#02H
                      CLR PSW.3
                      CLR PSW.4
                       RET
                  ;--------------------------
                  INDICATE:
                      CLR P2.6      ;INDICATE P2.6 AS 0-1-0
                      SETB P2.6
                       ACALL D500MS
                      CLR P2.6
                       RET
                  ;-----------------------------  

                  ;====================MCM REQUEST OPERATION====================
                  request:
                      RET
                  ;--------------------------------------------------------------------
                  ;===============MCM ANTICOLLISION OPERTION=============
                  anticollision:
                      RET
                  ;--------------------------------------------------------------------
                  ;====================MCM SELECT OPERATION=====================
                  select:
                      RET
                  ;--------------------------------------------------------------------
                  ;========================= AUTHENTICATION ========================
                  authentication:

                        RET
                  ;--------------------------------------------------------------------
                  ;========================= LOAD KEY =========================
                  LOAD_KEY:

                    RET
                  ;--------------------------------------------------------------------
                  ;====================MCM WRITE OPERATION=====================
                  write:
                      RET
                  ;--------------------------------------------------------------------
                  ;====================MCM read OPERATION=====================
                  read:
                      RET
                  ;--------------------------------------------------------------------

                  ;========================= HALT OPERATION==============================
                  halt:
                      MOV A,#10H
                      MOV R0,#03H
                      MOVX @R0,A       
                      MOV A,#04H
                      MOV R0,#04H
                      MOVX @R0,A       
                      MOV A,#50H
                      MOV R0,#00H
                      MOVX @R0,A       
                      MOV A,#00H
                      MOV R0,#00H
                      MOVX @R0,A       
                  ;------------------------- SET TOC()= 0AH --------------------------
                      MOV A,#0AH
                      MOV R0,#06H
                      MOVX @R0,A        ;TOC() = 0AH
                  ;--------------------------- READ STACON() -------------------------
                  HALT_RD_STACON_AGAIN:
                      MOV R0,#01H
                      MOVX A,@R0       ;READ STACON()
                  ;-------------------JUDGE DV FLAG ----------------------------------
                      JNB ACC.7,HALT_RD_STACON_AGAIN
                  ;------------------- CLOSE TOC() -----------------------------------
                      MOV B,A
                      MOV A,#00AH
                      MOV R0,#06H
                      MOVX @R0,A        ;TOC() = 00H
                      MOV A,B
                  ;-------------------------JUDG ANY ERRORS --------------------------
                      JB ACC.6, HALT_OK_EXIT  ;TE=1 IS HALT OK FLAG
                  ;-----------------------HAVE ANY ERRORS ----------------------------
                      MOV B,#06H
                      LJMP HALT_ERR_EXIT
                  ;-------------------------- EXIT -----------------------------------
                  HALT_OK_EXIT:
                      MOV B,#66H ;“ok”disp_flag
                      SETB P2.6        ;OK LAMP NOW WORKING P2.3
                      ACALL SPK_ON      ;if ok then spk on
                  HALT_ERR_EXIT:
                      MOV A,B
                      ACALL SEND_TO_BUF01   ;SEND RETURN_VALE TO DISP_BUF_LOW
                      RET
                  ;========================= End of MCM HALT OPERATION =======================

                  ;-------------------- DISPLY READ BLOCK VALUE(16 BYTES) ---------------
                  DISP_RD_BLK:
                      MOV R0,#50H
                      MOV R7,#04H
                  DISP_RD_BLK_LOOP:
                      MOV A,@R0
                      LCALL H_SEND_TO_BUF23   ;SEND RETURN_VALE TO DISP_BUF_LOW
                      INC R0
                      MOV A,@R0
                      LCALL H_SEND_TO_BUF01  ;SEND RETURN_VALE TO DISP_BUF_HIGH
                      INC R0
                      MOV A,@R0
                      LCALL SEND_TO_BUF23  ;SEND RETURN_VALE TO H_DISP_BUF_LOW
                      INC R0
                      MOV A,@R0
                      LCALL SEND_TO_BUF01   ;SEND RETURN_VALE TO H_DISP_BUF_HIGH
                      INC R0
                      LCALL DISPLAY
                      LCALL H_DISPLAY
                      LCALL D500MS
                      LCALL D500MS
                      DJNZ R7,DISP_RD_BLK_LOOP
                    RET
                  ;-------------CLEAR DISPLY_READ_BLOCK VALUE(16 BYTES) IN CPU RAM ----------
                  CLEAR_DISP_RD_BLK_IN_CPU:
                      MOV R0,#50H
                      MOV R7,#10H
                  CLEAR_DISP_RD_BLK_LOOP:
                      MOV @R0,#11H       ;SEND #11H TO DISP_RD_BLK_IN_CPU
                      INC R0
                      DJNZ R7,CLEAR_DISP_RD_BLK_LOOP
                    RET

                  ;---------------------KB SCANNING ----------------------------
                  KB_SCAN:
                      MOV A,#11110000B
                      mov p1,a        ;send line value:0000 <---P1.0~~P1.3
                      CLR P2.0        ;enable KB scan function
                      mov a,p1        ;if there is a key_pad pressing?
                      orl a,#00001111b    ;if no keypressing, A should be = 1111 1111b
                      cpl a
                      jz KB_nothing      ;if A = 00h, then no key is pressed
                      lcall kb_look_pad    ;if A <> 00h,then one key is pressed
                      SETB P2.6
                      LCALL SPK_ON
                  KB_nothing:
                      setb p2.0
                      RET
                  ;========================= KB LOOK ONE PAD ========================

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