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📄 key.m51

📁 单片机键盘输入扫描方式以及防抖处理,此方法为普遍输入方法.
💻 M51
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BL51 BANKED LINKER/LOCATER V5.12                                                        12/02/2007  23:53:06  PAGE 1


BL51 BANKED LINKER/LOCATER V5.12, INVOKED BY:
F:\KEIL\C51\BIN\BL51.EXE bottem.obj, test51.obj TO key RAMSIZE (256)


MEMORY MODEL: SMALL


INPUT MODULES INCLUDED:
  bottem.obj (BOTTEM)
  test51.obj (TEST51)
  F:\KEIL\C51\LIB\C51S.LIB (?C_STARTUP)
  F:\KEIL\C51\LIB\C51S.LIB (?C?CLDOPTR)
  F:\KEIL\C51\LIB\C51S.LIB (?C?CSTPTR)
  F:\KEIL\C51\LIB\C51S.LIB (?C?CSTOPTR)
  F:\KEIL\C51\LIB\C51S.LIB (?C?ULDIV)


LINK MAP OF MODULE:  key (BOTTEM)


            TYPE    BASE      LENGTH    RELOCATION   SEGMENT NAME
            -----------------------------------------------------

            * * * * * * *   D A T A   M E M O R Y   * * * * * * *
            REG     0000H     0008H     ABSOLUTE     "REG BANK 0"
            DATA    0008H     0008H     UNIT         ?DT?TEST51
                    0010H     0010H                  *** GAP ***
            BIT     0020H.0   0000H.2   UNIT         ?BI?TEST51
            BIT     0020H.2   0000H.1   UNIT         _BIT_GROUP_
                    0020H.3   0000H.5                *** GAP ***
            DATA    0021H     001AH     UNIT         _DATA_GROUP_
            IDATA   003BH     0001H     UNIT         ?STACK

            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
            CODE    0000H     0003H     ABSOLUTE     
                    0003H     0008H                  *** GAP ***
            CODE    000BH     0003H     ABSOLUTE     
            CODE    000EH     012FH     UNIT         ?C?LIB_CODE
            CODE    013DH     009EH     UNIT         ?PR?_BIN_BCD_FUNC?BOTTEM
            CODE    01DBH     007DH     UNIT         ?PR?KEY_SCAN?TEST51
            CODE    0258H     0076H     UNIT         ?PR?_HEX_TO_DISP?TEST51
            CODE    02CEH     0068H     UNIT         ?PR?_RIGHT_MOVE?BOTTEM
            CODE    0336H     0044H     UNIT         ?PR?TIME0_FUNC?TEST51
            CODE    037AH     002FH     UNIT         ?PR?DISP_FUNC?TEST51
            CODE    03A9H     001CH     UNIT         ?PR?KEY_FUNC?TEST51
            CODE    03C5H     0016H     UNIT         ?PR?_WAIT_KEY?TEST51
            CODE    03DBH     0015H     UNIT         ?PR?POWER_UP?TEST51
            CODE    03F0H     0013H     UNIT         ?PR?_INIT_ARRAY_FUNC?BOTTEM
            CODE    0403H     0013H     UNIT         ?PR?MAIN?TEST51
            CODE    0416H     0011H     UNIT         ?PR?_CLR_FUNC?TEST51
            CODE    0427H     000EH     UNIT         ?PR?_SETB_FUNC?TEST51
            CODE    0435H     000CH     UNIT         ?C_C51STARTUP
            CODE    0441H     000AH     UNIT         ?CO?TEST51



OVERLAY MAP OF MODULE:   key (BOTTEM)

BL51 BANKED LINKER/LOCATER V5.12                                                      12/02/2007  23:53:06  PAGE 2



SEGMENT                                BIT_GROUP          DATA_GROUP 
  +--> CALLED SEGMENT               START    LENGTH     START    LENGTH
-----------------------------------------------------------------------
?PR?TIME0_FUNC?TEST51               -----    -----      -----    -----
  +--> ?PR?KEY_SCAN?TEST51
  +--> ?PR?DISP_FUNC?TEST51

?PR?KEY_SCAN?TEST51                 -----    -----      -----    -----
  +--> ?PR?KEY_FUNC?TEST51
  +--> ?PR?_SETB_FUNC?TEST51
  +--> ?PR?_CLR_FUNC?TEST51

?PR?KEY_FUNC?TEST51                 -----    -----      -----    -----
  +--> ?PR?_CLR_FUNC?TEST51

?PR?_CLR_FUNC?TEST51                0020H.2  0000H.1    -----    -----

?PR?_SETB_FUNC?TEST51               0020H.2  0000H.1    -----    -----

?PR?DISP_FUNC?TEST51                -----    -----      -----    -----
  +--> ?PR?_SETB_FUNC?TEST51
  +--> ?PR?_CLR_FUNC?TEST51

*** NEW ROOT ***************************************************

?C_C51STARTUP                       -----    -----      -----    -----
  +--> ?PR?MAIN?TEST51

?PR?MAIN?TEST51                     -----    -----      -----    -----
  +--> ?PR?POWER_UP?TEST51
  +--> ?PR?_WAIT_KEY?TEST51
  +--> ?PR?_HEX_TO_DISP?TEST51

?PR?_HEX_TO_DISP?TEST51             -----    -----      0021H    0003H
  +--> ?PR?_BIN_BCD_FUNC?BOTTEM
  +--> ?CO?TEST51
  +--> ?PR?_RIGHT_MOVE?BOTTEM
  +--> ?PR?_INIT_ARRAY_FUNC?BOTTEM

?PR?_BIN_BCD_FUNC?BOTTEM            -----    -----      0024H    0017H

?PR?_RIGHT_MOVE?BOTTEM              -----    -----      0024H    0007H

?PR?_INIT_ARRAY_FUNC?BOTTEM         -----    -----      0024H    0005H



SYMBOL TABLE OF MODULE:  key (BOTTEM)

  VALUE           TYPE          NAME
  ----------------------------------

  -------         MODULE        BOTTEM
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0090H         PUBLIC        P1
  D:00B0H         PUBLIC        P3
BL51 BANKED LINKER/LOCATER V5.12                                                      12/02/2007  23:53:06  PAGE 3


  D:00A8H         PUBLIC        IE
  D:00B8H         PUBLIC        IP
  D:0098H         PUBLIC        SCON
  D:0088H         PUBLIC        TCON
  C:03F0H         PUBLIC        _Init_Array_Func
  C:013DH         PUBLIC        _Bin_Bcd_Func
  C:02CEH         PUBLIC        _Right_Move
  D:00C8H         PUBLIC        T2CON
  D:00D0H         PUBLIC        PSW
  -------         PROC          _INIT_ARRAY_FUNC
  D:0007H         SYMBOL        bLen
  D:0001H         SYMBOL        bpData
  D:0028H         SYMBOL        bValue
  C:03F0H         LINE#         26
  C:03F0H         LINE#         27
  C:03F0H         LINE#         28
  C:03F3H         LINE#         29
  C:03F3H         LINE#         30
  C:03F8H         LINE#         31
  C:03FFH         LINE#         32
  C:0402H         LINE#         33
  -------         ENDPROC       _INIT_ARRAY_FUNC
  -------         PROC          _BIN_BCD_FUNC
  D:0024H         SYMBOL        dwBin
  D:0028H         SYMBOL        bpBcd
  -------         DO            
  D:002BH         SYMBOL        bpTemp
  D:0035H         SYMBOL        bI
  D:0036H         SYMBOL        bJ
  D:0037H         SYMBOL        dwTemp
  -------         ENDDO         
  C:013DH         LINE#         40
  C:014BH         LINE#         41
  C:014BH         LINE#         45
  C:0151H         LINE#         46
  C:0151H         LINE#         47
  C:0154H         LINE#         48
  C:0157H         LINE#         49
  C:0157H         LINE#         50
  C:0163H         LINE#         51
  C:0166H         LINE#         52
  C:0166H         LINE#         53
  C:0166H         LINE#         54
  C:0174H         LINE#         55
  C:0174H         LINE#         56
  C:0189H         LINE#         57
  C:01A2H         LINE#         58
  C:01A9H         LINE#         59
  C:01ABH         LINE#         60
  C:01ADH         LINE#         61
  C:01B7H         LINE#         62
  C:01D8H         LINE#         63
  C:01DAH         LINE#         64
  -------         ENDPROC       _BIN_BCD_FUNC
  -------         PROC          _RIGHT_MOVE
  D:0024H         SYMBOL        bpData
  D:0027H         SYMBOL        bSteps
BL51 BANKED LINKER/LOCATER V5.12                                                      12/02/2007  23:53:06  PAGE 4


  D:0028H         SYMBOL        bLen
  D:0029H         SYMBOL        bFill
  -------         DO            
  D:002AH         SYMBOL        bI
  -------         ENDDO         
  C:02CEH         LINE#         73
  C:02D6H         LINE#         74
  C:02D6H         LINE#         77
  C:02E0H         LINE#         78
  C:0311H         LINE#         79
  C:031BH         LINE#         80
  C:0330H         LINE#         81
  C:0335H         LINE#         82
  -------         ENDPROC       _RIGHT_MOVE
  -------         ENDMOD        BOTTEM

  -------         MODULE        TEST51
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0080H         PUBLIC        P0
  C:037AH         PUBLIC        Disp_Func
  D:0090H         PUBLIC        P1
  C:03C5H         PUBLIC        _Wait_Key
  D:00A0H         PUBLIC        P2
  D:00B0H         PUBLIC        P3
  B:00A8H.7       PUBLIC        EA
  D:00A8H         PUBLIC        IE
  C:01DBH         PUBLIC        Key_Scan
  C:03A9H         PUBLIC        Key_Func
  D:00B8H         PUBLIC        IP
  C:0258H         PUBLIC        _Hex_To_Disp
  D:0008H         PUBLIC        g_bCur_Offset
  B:0020H.0       PUBLIC        g_btKey_Flag
  C:0403H         PUBLIC        main
  D:0009H         PUBLIC        g_bpDisp
  C:0441H         PUBLIC        g_bpDisp_Seg
  C:0336H         PUBLIC        Time0_Func
  D:0098H         PUBLIC        SCON
  D:0089H         PUBLIC        TMOD
  D:0088H         PUBLIC        TCON
  C:03DBH         PUBLIC        Power_Up
  B:0020H.1       PUBLIC        g_btKey_Press
  D:000BH         PUBLIC        g_bKey_Bak
  D:000CH         PUBLIC        g_bP2_Io
  D:000DH         PUBLIC        g_bKey_Time
  B:00A8H.1       PUBLIC        ET0
  D:008CH         PUBLIC        TH0
  D:008AH         PUBLIC        TL0
  D:000EH         PUBLIC        g_bKey
  B:0088H.4       PUBLIC        TR0
  C:0427H         PUBLIC        _Setb_Func
  D:000FH         PUBLIC        g_bCurrent_Local
  D:00C8H         PUBLIC        T2CON
  C:0416H         PUBLIC        _Clr_Func
  D:00D0H         PUBLIC        PSW
  -------         PROC          TIME0_FUNC
  C:0336H         LINE#         22

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