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📄 i2c.m51

📁 AT89S52 I2C单-多字节通信,使用I2C总线大大减少电路板的面积
💻 M51
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BL51 BANKED LINKER/LOCATER V6.00                                                        02/14/2009  15:35:02  PAGE 1


BL51 BANKED LINKER/LOCATER V6.00, INVOKED BY:
C:\KEIL\C51\BIN\BL51.EXE STARTUP.obj, i2c.obj TO i2c RAMSIZE (256)


MEMORY MODEL: SMALL


INPUT MODULES INCLUDED:
  STARTUP.obj (?C_STARTUP)
  i2c.obj (I2C)
  C:\KEIL\C51\LIB\C51S.LIB (?C?CLDPTR)
  C:\KEIL\C51\LIB\C51S.LIB (?C?CSTPTR)


LINK MAP OF MODULE:  i2c (?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"
                    0008H     0018H                  *** GAP ***
            BIT     0020H.0   0000H.1   UNIT         _BIT_GROUP_
                    0020H.1   0000H.7                *** GAP ***
            DATA    0021H     002BH     UNIT         _DATA_GROUP_
            IDATA   004CH     0001H     UNIT         ?STACK

            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
            CODE    0000H     0003H     ABSOLUTE     
            CODE    0003H     00A1H     UNIT         ?PR?MAIN?I2C
            CODE    00A4H     0055H     UNIT         ?PR?_DISPLAY_1602?I2C
            CODE    00F9H     0051H     UNIT         ?PR?_READSTRING?I2C
            CODE    014AH     004BH     UNIT         ?PR?_DISPLAY_HEX1602?I2C
            CODE    0195H     0043H     UNIT         ?PR?_HEX?I2C
            CODE    01D8H     002BH     UNIT         ?PR?_SENDSTRING?I2C
            CODE    0203H     002BH     UNIT         ?C?LIB_CODE
            CODE    022EH     0023H     UNIT         ?PR?_SEND_BYTE?I2C
            CODE    0251H     0022H     UNIT         ?PR?_DELAY?I2C
            CODE    0273H     0020H     UNIT         ?CO?I2C
            CODE    0293H     001EH     UNIT         ?PR?READ_BYTE?I2C
            CODE    02B1H     001DH     UNIT         ?PR?_READ_ADDRESS?I2C
            CODE    02CEH     001BH     UNIT         ?PR?INITIAL_1602?I2C
            CODE    02E9H     0019H     UNIT         ?PR?_WRITE_DATA?I2C
            CODE    0302H     0015H     UNIT         ?PR?_WRITE_CMD?I2C
            CODE    0317H     0014H     UNIT         ?PR?RESPONSE?I2C
            CODE    032BH     0011H     UNIT         ?PR?ACK?I2C
            CODE    033CH     000CH     UNIT         ?C_C51STARTUP
            CODE    0348H     000CH     UNIT         ?PR?START?I2C
            CODE    0354H     0009H     UNIT         ?PR?STOP?I2C
            CODE    035DH     0006H     UNIT         ?PR?INITIAL?I2C
            CODE    0363H     0006H     UNIT         ?PR?_WRITE_ADDRESS?I2C
            CODE    0369H     0003H     UNIT         ?PR?SDA_0?I2C
            CODE    036CH     0003H     UNIT         ?PR?SDA_1?I2C
            CODE    036FH     0003H     UNIT         ?PR?SCK_0?I2C
            CODE    0372H     0003H     UNIT         ?PR?SCK_1?I2C


BL51 BANKED LINKER/LOCATER V6.00                                                      02/14/2009  15:35:02  PAGE 2



OVERLAY MAP OF MODULE:   i2c (?C_STARTUP)


SEGMENT                             BIT_GROUP          DATA_GROUP 
  +--> CALLED SEGMENT            START    LENGTH     START    LENGTH
--------------------------------------------------------------------
?C_C51STARTUP                    -----    -----      -----    -----
  +--> ?PR?MAIN?I2C

?PR?MAIN?I2C                     -----    -----      0021H    0005H
  +--> ?PR?INITIAL?I2C
  +--> ?PR?INITIAL_1602?I2C
  +--> ?PR?_WRITE_ADDRESS?I2C
  +--> ?PR?_DELAY?I2C
  +--> ?PR?_READ_ADDRESS?I2C
  +--> ?PR?_DISPLAY_1602?I2C
  +--> ?CO?I2C
  +--> ?PR?_SENDSTRING?I2C
  +--> ?PR?_READSTRING?I2C
  +--> ?PR?_DISPLAY_HEX1602?I2C

?PR?INITIAL?I2C                  -----    -----      -----    -----
  +--> ?PR?SDA_1?I2C
  +--> ?PR?SCK_1?I2C

?PR?INITIAL_1602?I2C             -----    -----      -----    -----
  +--> ?PR?_WRITE_CMD?I2C

?PR?_WRITE_ADDRESS?I2C           -----    -----      -----    -----
  +--> ?PR?_SEND_BYTE?I2C
  +--> ?PR?STOP?I2C

?PR?_SEND_BYTE?I2C               -----    -----      -----    -----
  +--> ?PR?START?I2C
  +--> ?PR?SCK_0?I2C
  +--> ?PR?SCK_1?I2C
  +--> ?PR?SDA_1?I2C
  +--> ?PR?RESPONSE?I2C

?PR?START?I2C                    -----    -----      -----    -----
  +--> ?PR?SDA_1?I2C
  +--> ?PR?SCK_1?I2C
  +--> ?PR?SDA_0?I2C
  +--> ?PR?SCK_0?I2C

?PR?RESPONSE?I2C                 -----    -----      -----    -----
  +--> ?PR?SCK_1?I2C
  +--> ?PR?SCK_0?I2C

?PR?STOP?I2C                     -----    -----      -----    -----
  +--> ?PR?SDA_0?I2C
  +--> ?PR?SCK_1?I2C
  +--> ?PR?SDA_1?I2C

?PR?_READ_ADDRESS?I2C            -----    -----      -----    -----
  +--> ?PR?START?I2C
BL51 BANKED LINKER/LOCATER V6.00                                                      02/14/2009  15:35:02  PAGE 3


  +--> ?PR?_SEND_BYTE?I2C
  +--> ?PR?READ_BYTE?I2C
  +--> ?PR?ACK?I2C
  +--> ?PR?STOP?I2C

?PR?READ_BYTE?I2C                -----    -----      -----    -----
  +--> ?PR?SCK_0?I2C
  +--> ?PR?SDA_1?I2C
  +--> ?PR?SCK_1?I2C

?PR?ACK?I2C                      0020H.0  0000H.1    -----    -----
  +--> ?PR?SDA_0?I2C
  +--> ?PR?SDA_1?I2C
  +--> ?PR?SCK_1?I2C
  +--> ?PR?SCK_0?I2C

?PR?_DISPLAY_1602?I2C            -----    -----      0026H    0004H
  +--> ?PR?_WRITE_CMD?I2C
  +--> ?PR?_WRITE_DATA?I2C

?PR?_SENDSTRING?I2C              -----    -----      0026H    0007H
  +--> ?PR?_SEND_BYTE?I2C
  +--> ?PR?_DELAY?I2C
  +--> ?PR?STOP?I2C

?PR?_READSTRING?I2C              -----    -----      0026H    0026H
  +--> ?PR?_SEND_BYTE?I2C
  +--> ?PR?START?I2C
  +--> ?PR?READ_BYTE?I2C
  +--> ?PR?ACK?I2C
  +--> ?PR?_DELAY?I2C
  +--> ?PR?STOP?I2C

?PR?_DISPLAY_HEX1602?I2C         -----    -----      0026H    0004H
  +--> ?PR?_WRITE_CMD?I2C
  +--> ?PR?_WRITE_DATA?I2C
  +--> ?PR?_HEX?I2C

?PR?_HEX?I2C                     -----    -----      -----    -----
  +--> ?PR?_WRITE_DATA?I2C



SYMBOL TABLE OF MODULE:  i2c (?C_STARTUP)

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

  -------         MODULE        ?C_STARTUP
  C:033CH         SEGMENT       ?C_C51STARTUP
  I:004CH         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
BL51 BANKED LINKER/LOCATER V6.00                                                      02/14/2009  15:35:02  PAGE 4


  N:0100H         SYMBOL        IBPSTACKTOP
  N:0080H         SYMBOL        IDATALEN
  C:033FH         SYMBOL        IDATALOOP
  N:0000H         SYMBOL        PBPSTACK
  N:0100H         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:033CH         SYMBOL        STARTUP1
  N:0000H         SYMBOL        XBPSTACK
  N:0000H         SYMBOL        XBPSTACKTOP
  N:0000H         SYMBOL        XDATALEN
  N:0000H         SYMBOL        XDATASTART
  C:0000H         LINE#         126
  C:033CH         LINE#         133
  C:033EH         LINE#         134
  C:033FH         LINE#         135
  C:0340H         LINE#         136
  C:0342H         LINE#         185
  C:0345H         LINE#         196
  -------         ENDMOD        ?C_STARTUP

  -------         MODULE        I2C
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0090H         PUBLIC        P1
  D:00B0H         PUBLIC        P3
  C:014AH         PUBLIC        _display_HEX1602
  D:00A8H         PUBLIC        IE
  C:0255H         PUBLIC        _delay
  C:02CEH         PUBLIC        initial_1602
  D:00B8H         PUBLIC        IP
  B:00D0H.7       PUBLIC        CY
  C:00A4H         PUBLIC        _display_1602
  C:0003H         PUBLIC        main
  C:02EDH         PUBLIC        _write_data
  C:032BH         PUBLIC        ack
  C:0348H         PUBLIC        start
  D:0098H         PUBLIC        SCON
  C:0293H         PUBLIC        read_byte
  D:0088H         PUBLIC        TCON
  B:00B0H.5       PUBLIC        sda
  C:00F9H         PUBLIC        _readstring
  B:00B0H.4       PUBLIC        sck
  C:0236H         PUBLIC        _send_byte
  C:0302H         PUBLIC        _write_cmd
  C:0195H         PUBLIC        _hex
  C:01D8H         PUBLIC        _sendstring
  C:0354H         PUBLIC        stop
  C:0369H         PUBLIC        sda_0
  C:036CH         PUBLIC        sda_1
  C:036FH         PUBLIC        sck_0
  C:0372H         PUBLIC        sck_1
  B:00B0H.7       PUBLIC        en
  B:00B0H.6       PUBLIC        rs
BL51 BANKED LINKER/LOCATER V6.00                                                      02/14/2009  15:35:02  PAGE 5


  D:00C8H         PUBLIC        T2CON
  C:02B1H         PUBLIC        _read_address
  C:035DH         PUBLIC        initial
  C:0317H         PUBLIC        response
  C:0363H         PUBLIC        _write_address
  D:00D0H         PUBLIC        PSW
  -------         PROC          INITIAL_1602
  C:02CEH         LINE#         15
  C:02CEH         LINE#         16
  C:02CEH         LINE#         17
  C:02D0H         LINE#         18
  C:02D5H         LINE#         19
  C:02DAH         LINE#         20
  C:02DFH         LINE#         21
  C:02E4H         LINE#         22
  -------         ENDPROC       INITIAL_1602
  -------         PROC          _WRITE_CMD
  D:0007H         SYMBOL        cmd_data
  -------         DO            
  D:0007H         SYMBOL        i
  -------         ENDDO         
  C:0302H         LINE#         25
  C:0302H         LINE#         26
  C:0302H         LINE#         28
  C:0304H         LINE#         29
  C:030CH         LINE#         30
  C:0314H         LINE#         31
  C:0316H         LINE#         32
  -------         ENDPROC       _WRITE_CMD
  -------         PROC          L?0092
  -------         ENDPROC       L?0092
  -------         PROC          _WRITE_DATA
  D:0007H         SYMBOL        data1
  -------         DO            
  D:0007H         SYMBOL        i
  -------         ENDDO         
  C:02EDH         LINE#         34
  C:02EDH         LINE#         35
  C:02EDH         LINE#         37
  C:02EFH         LINE#         38
  C:02F7H         LINE#         39
  C:02FFH         LINE#         40
  C:0301H         LINE#         41
  -------         ENDPROC       _WRITE_DATA
  -------         PROC          _DISPLAY_1602
  D:0006H         SYMBOL        num_char
  D:0005H         SYMBOL        line
  D:0003H         SYMBOL        address
  D:0029H         SYMBOL        data1
  -------         DO            
  D:0005H         SYMBOL        shi
  D:0004H         SYMBOL        ge
  D:0007H         SYMBOL        bai
  -------         ENDDO         
  C:00A4H         LINE#         42
  C:00A6H         LINE#         43
  C:00A6H         LINE#         45
BL51 BANKED LINKER/LOCATER V6.00                                                      02/14/2009  15:35:02  PAGE 6


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