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📄 at24cxx.m51

📁 MCS51 C语言操作AT24Cxx的函数。采用头文件加c文件的形式。可对AT24Cxx系列的EEPROM进行单字节和多字节的读写操作。可作底层库函数使用。在EEPROM.c文件修改编译设置
💻 M51
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BL51 BANKED LINKER/LOCATER V5.12                                                        05/26/2009  15:22:14  PAGE 1


BL51 BANKED LINKER/LOCATER V5.12, INVOKED BY:
C:\KEIL\C51\BIN\BL51.EXE STARTUP.obj, main.obj, delay.obj, eeprom.obj TO AT24cxx


MEMORY MODEL: SMALL


INPUT MODULES INCLUDED:
  STARTUP.obj (?C_STARTUP)
  main.obj (MAIN)
  delay.obj (DELAY)
  eeprom.obj (EEPROM)
  C:\KEIL\C51\LIB\C51S.LIB (?C_INIT)
  C:\KEIL\C51\LIB\C51S.LIB (?C?COPY)
  C:\KEIL\C51\LIB\C51S.LIB (?C?CLDOPTR)
  C:\KEIL\C51\LIB\C51S.LIB (?C?CSTPTR)


LINK MAP OF MODULE:  AT24cxx (?C_STARTUP)


            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     0017H     UNIT         _DATA_GROUP_
                    001FH     0001H                  *** GAP ***
            BIT     0020H.0   0000H.1   UNIT         ?BI?EEPROM
            BIT     0020H.1   0000H.1   UNIT         _BIT_GROUP_
                    0020H.2   0000H.6                *** GAP ***
            DATA    0021H     0009H     UNIT         ?DT?_RD_BYTES?EEPROM
            IDATA   002AH     0001H     UNIT         ?STACK

            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
            CODE    0000H     0003H     ABSOLUTE     
            CODE    0003H     0135H     UNIT         ?C?LIB_CODE
            CODE    0138H     008CH     UNIT         ?C_C51STARTUP
            CODE    01C4H     0079H     INBLOCK      ?PR?MAIN?MAIN
            CODE    023DH     0066H     INBLOCK      ?PR?_RD_BYTES?EEPROM
            CODE    02A3H     0044H     INBLOCK      ?PR?_WR_BYTES?EEPROM
            CODE    02E7H     0040H     INBLOCK      ?PR?_WRITE?EEPROM
            CODE    0327H     003CH     INBLOCK      ?PR?_RD_BYTE?EEPROM
            CODE    0363H     003AH     INBLOCK      ?PR?READ?EEPROM
            CODE    039DH     002BH     INBLOCK      ?PR?_WR_BYTE?EEPROM
            CODE    03C8H     0020H     INBLOCK      ?PR?_DELAY_MS?DELAY
            CODE    03E8H     0020H     INBLOCK      ?PR?_DELAY_50US?DELAY
            CODE    0408H     001FH     INBLOCK      ?PR?TEST_ACK?EEPROM
            CODE    0427H     001AH     INBLOCK      ?PR?ST_EEPROM?EEPROM
            CODE    0441H     001AH     INBLOCK      ?PR?END_EEPROM?EEPROM
            CODE    045BH     000FH     INBLOCK      ?PR?ACK?EEPROM
            CODE    046AH     000DH     INBLOCK      ?PR?NOT_ACK?EEPROM
            CODE    0477H     000BH     INBLOCK      ?PR?_DELAY_US?DELAY
            CODE    0482H     0009H     UNIT         ?CO?MAIN
            CODE    048BH     0003H     UNIT         ?C_INITSEG



BL51 BANKED LINKER/LOCATER V5.12                                                      05/26/2009  15:22:14  PAGE 2


OVERLAY MAP OF MODULE:   AT24cxx (?C_STARTUP)


SEGMENT                           BIT_GROUP          DATA_GROUP 
  +--> CALLED SEGMENT          START    LENGTH     START    LENGTH
------------------------------------------------------------------
?C_C51STARTUP                  -----    -----      -----    -----
  +--> ?PR?MAIN?MAIN
  +--> ?C_INITSEG

?PR?MAIN?MAIN                  -----    -----      0008H    000CH
  +--> ?CO?MAIN
  +--> ?PR?_WR_BYTE?EEPROM
  +--> ?PR?_DELAY_MS?DELAY
  +--> ?PR?_RD_BYTE?EEPROM
  +--> ?PR?_WR_BYTES?EEPROM

?PR?_WR_BYTE?EEPROM            -----    -----      0014H    0005H
  +--> ?PR?ST_EEPROM?EEPROM
  +--> ?PR?_WRITE?EEPROM
  +--> ?PR?TEST_ACK?EEPROM
  +--> ?PR?END_EEPROM?EEPROM
  +--> ?PR?_DELAY_US?DELAY

?PR?ST_EEPROM?EEPROM           -----    -----      -----    -----
  +--> ?PR?_DELAY_US?DELAY

?PR?_WRITE?EEPROM              -----    -----      001DH    0002H
  +--> ?PR?_DELAY_US?DELAY

?PR?TEST_ACK?EEPROM            0020H.1  0000H.1    -----    -----
  +--> ?PR?_DELAY_US?DELAY

?PR?END_EEPROM?EEPROM          -----    -----      -----    -----
  +--> ?PR?_DELAY_US?DELAY

?PR?_RD_BYTE?EEPROM            -----    -----      0014H    0005H
  +--> ?PR?ST_EEPROM?EEPROM
  +--> ?PR?_WRITE?EEPROM
  +--> ?PR?TEST_ACK?EEPROM
  +--> ?PR?READ?EEPROM
  +--> ?PR?NOT_ACK?EEPROM
  +--> ?PR?END_EEPROM?EEPROM
  +--> ?PR?_DELAY_US?DELAY

?PR?READ?EEPROM                0020H.1  0000H.1    0019H    0002H
  +--> ?PR?_DELAY_US?DELAY

?PR?NOT_ACK?EEPROM             -----    -----      -----    -----
  +--> ?PR?_DELAY_US?DELAY

?PR?_WR_BYTES?EEPROM           -----    -----      0014H    0009H
  +--> ?PR?ST_EEPROM?EEPROM
  +--> ?PR?_WRITE?EEPROM
  +--> ?PR?TEST_ACK?EEPROM
  +--> ?PR?END_EEPROM?EEPROM
  +--> ?PR?_DELAY_US?DELAY
BL51 BANKED LINKER/LOCATER V5.12                                                      05/26/2009  15:22:14  PAGE 3





SYMBOL TABLE OF MODULE:  AT24cxx (?C_STARTUP)

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

  -------         MODULE        ?C_STARTUP
  C:0138H         SEGMENT       ?C_C51STARTUP
  I:002AH         SEGMENT       ?STACK
  C:0000H         PUBLIC        ?C_STARTUP
  D:00E0H         SYMBOL        ACC
  D:00F0H         SYMBOL        B
  D:0083H         SYMBOL        DPH
  D:0082H         SYMBOL        DPL
  N:0000H         SYMBOL        IBPSTACK
  N:0100H         SYMBOL        IBPSTACKTOP
  N:0080H         SYMBOL        IDATALEN
  C:013BH         SYMBOL        IDATALOOP
  N:0000H         SYMBOL        PBPSTACK
  N:0000H         SYMBOL        PBPSTACKTOP
  N:0000H         SYMBOL        PDATALEN
  N:0000H         SYMBOL        PDATASTART
  N:0000H         SYMBOL        PPAGE
  N:0000H         SYMBOL        PPAGEENABLE
  D:00A0H         SYMBOL        PPAGE_SFR
  D:0081H         SYMBOL        SP
  C:0138H         SYMBOL        STARTUP1
  N:0000H         SYMBOL        XBPSTACK
  N:0000H         SYMBOL        XBPSTACKTOP
  N:0000H         SYMBOL        XDATALEN
  N:0000H         SYMBOL        XDATASTART
  C:0000H         LINE#         92
  C:0138H         LINE#         99
  C:013AH         LINE#         100
  C:013BH         LINE#         101
  C:013CH         LINE#         102
  C:013EH         LINE#         151
  C:0141H         LINE#         155
  -------         ENDMOD        ?C_STARTUP

  -------         MODULE        MAIN
  C:0000H         SYMBOL        _ICE_DUMMY_
  C:01C4H         PUBLIC        main
  C:0482H         SYMBOL        _?ix1000
  C:0487H         SYMBOL        _?ix1001
  -------         PROC          MAIN
  -------         DO            
  D:0008H         SYMBOL        d
  D:000DH         SYMBOL        data_buf
  D:0011H         SYMBOL        page
  D:0012H         SYMBOL        address_h
  D:0013H         SYMBOL        address_l
  D:0007H         SYMBOL        udata
  D:0005H         SYMBOL        start_address_h
  D:0003H         SYMBOL        start_address_l
BL51 BANKED LINKER/LOCATER V5.12                                                      05/26/2009  15:22:14  PAGE 4


  D:0007H         SYMBOL        number
  -------         ENDDO         
  C:01C4H         LINE#         25
  C:01C4H         LINE#         26
  C:01C4H         LINE#         27
  C:01D6H         LINE#         28
  C:01E8H         LINE#         34
  C:01EBH         LINE#         35
  C:01EDH         LINE#         36
  C:01F0H         LINE#         37
  C:01F2H         LINE#         38
  C:01FCH         LINE#         40
  C:0202H         LINE#         42
  C:020AH         LINE#         47
  C:020DH         LINE#         48
  C:020EH         LINE#         49
  C:0210H         LINE#         50
  C:0212H         LINE#         51
  C:0220H         LINE#         53
  C:0226H         LINE#         55
  C:0229H         LINE#         56
  C:022AH         LINE#         57
  C:022CH         LINE#         58
  C:022CH         LINE#         59
  C:023BH         LINE#         63
  C:023BH         LINE#         64
  C:023BH         LINE#         66
  -------         ENDPROC       MAIN
  -------         ENDMOD        MAIN

  -------         MODULE        DELAY
  C:0000H         SYMBOL        _ICE_DUMMY_
  C:03E8H         PUBLIC        _delay_50us
  C:03C8H         PUBLIC        _delay_ms
  C:0477H         PUBLIC        _delay_us
  -------         PROC          _DELAY_MS
  D:0006H         SYMBOL        t
  -------         DO            
  D:0004H         SYMBOL        i
  D:0002H         SYMBOL        j
  -------         ENDDO         
  C:03C8H         LINE#         9
  C:03C8H         LINE#         10
  C:03C8H         LINE#         13
  C:03D2H         LINE#         14
  C:03D2H         LINE#         15
  C:03D5H         LINE#         16
  C:03D5H         LINE#         18
  C:03E0H         LINE#         19
  C:03E7H         LINE#         20
  -------         ENDPROC       _DELAY_MS
  -------         PROC          _DELAY_50US
  D:0006H         SYMBOL        t
  -------         DO            
  D:0004H         SYMBOL        i
  D:0002H         SYMBOL        j
  -------         ENDDO         
BL51 BANKED LINKER/LOCATER V5.12                                                      05/26/2009  15:22:14  PAGE 5


  C:03E8H         LINE#         23
  C:03E8H         LINE#         24
  C:03E8H         LINE#         27
  C:03F2H         LINE#         28
  C:03F2H         LINE#         29
  C:03F5H         LINE#         30
  C:03F5H         LINE#         32
  C:0400H         LINE#         33
  C:0407H         LINE#         34
  -------         ENDPROC       _DELAY_50US
  -------         PROC          _DELAY_US
  D:0006H         SYMBOL        t1
  C:0477H         LINE#         37
  C:0477H         LINE#         38
  C:0477H         LINE#         39
  C:0481H         LINE#         40
  -------         ENDPROC       _DELAY_US
  -------         ENDMOD        DELAY

  -------         MODULE        EEPROM
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0080H         PUBLIC        P0
  C:0441H         PUBLIC        END_EEPROM

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