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regarding warnings messages in keil uvision software

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saurav.844

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i am making a project in embedded c using keil software and have created my header files later i added them in my target folde and builded target to get hex code but problem is that i got 46 warning messages ie:
Code: 
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  SETLCD
    MODULE:  main.obj (MAIN)

*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _SEND
    MODULE:  main.obj (MAIN)

*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _SETSERIAL
    MODULE:  main.obj (MAIN)

*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  ?_SETSERIAL?BYTE
    MODULE:  main.obj (MAIN)

*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _DELAYI
    MODULE:  main.obj (MAIN)

*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)

*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  ?_SETSERIAL?BYTE
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B66H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  ?_SETSERIAL?BYTE
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B69H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  ?_SETSERIAL?BYTE
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B6CH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  ?_SETSERIAL?BYTE
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B6FH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  ?_SETSERIAL?BYTE
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B72H

BL51 BANKED LINKER/LOCATER V6.22                                                      05/01/2013  12:22:36  PAGE 7


*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _SETSERIAL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B7DH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  SETLCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B80H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B85H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0B93H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0BA7H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0BACH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0BBAH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0BCEH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0BD3H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0BE1H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0BF5H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
BL51 BANKED LINKER/LOCATER V6.22                                                      05/01/2013  12:22:36  PAGE 8


    MODULE:  main.obj (MAIN)
    ADDRESS: 0BFAH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C08H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C1CH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C21H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C2FH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C43H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C48H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C56H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C6AH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C6FH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0C7DH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYL
    MODULE:  main.obj (MAIN)
    ADDRESS: 0CAAH
BL51 BANKED LINKER/LOCATER V6.22                                                      05/01/2013  12:22:36  PAGE 9



*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0CB3H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0CC1H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0CE7H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0CF5H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0D1BH

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0D29H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0D55H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _LCD
    MODULE:  main.obj (MAIN)
    ADDRESS: 0D63H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _SEND
    MODULE:  main.obj (MAIN)
    ADDRESS: 0D77H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYI
    MODULE:  main.obj (MAIN)
    ADDRESS: 1066H

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  _DELAYI
    MODULE:  main.obj (MAIN)
    ADDRESS: 106FH
i got 0 errors and was successful to create hex code and programmed my ic but it didnt worked on my kit ,, can anyone tell me what wrnt wrong??? why these warning messages appear related to my header files , how to resolve them ,, please help as i m running out of time , need to submit my project before deadline
 
Last edited by a moderator:

hello saurav
You are calling that function but the function is not present in your program.
 

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