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MACROS TOO NESTED

8051 techie

Hi all, I have a code already written on an 8051 based controller, in which I am enabling some features through Preprocessor Directives. In that process, I am struck at the following error.

C51 COMPILER V7.50 - SN: K1DQP-01744E
COPYRIGHT KEIL ELEKTRONIK GmbH 1987 - 2004
C51 FATAL-ERROR - ACTION: PARSING SOURCE-FILE ERROR: PREPROCESSOR: MACROS TOO NESTED
C51 TERMINATED.

Kindly let me know what does this error mean and how to rectify this?
Awaiting your reply.
Regards,
Balaji

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  • 0 in reply to Cpt. Vince

    There are macros that make code more readable and there are macros that makes it non-readable, non-debuggable, non-...

    It seems that there are two principal directions a) no macros and b) too many macros.

    I lean towards a use of macros for exceptions only e.g. if a function is entered with e.g. a variable that is too large it will call PGM_ERR().

    Erik

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  • 0 in reply to Cpt. Vince

    There are macros that make code more readable and there are macros that makes it non-readable, non-debuggable, non-...

    It seems that there are two principal directions a) no macros and b) too many macros.

    I lean towards a use of macros for exceptions only e.g. if a function is entered with e.g. a variable that is too large it will call PGM_ERR().

    Erik

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