关于非接触式IC智能(射频)卡及其读写设备内核技术的研究与应用开发(连载10) - 中国一卡通网
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关于非接触式IC智能(射频)卡及其读写设备内核技术的研究与应用开发(连载10)

来源:中国一卡通网  作者:张敏  发布时间:2005-05-19 17:13:07  字体:[ ]

关键字:关于非接触式IC智能(射频)卡及其读写设备内核技术的研究与应用开发(连载10)  

摘   要:关于非接触式IC智能(射频)卡及其读写设备内核技术的研究与应用开发(连载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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