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use special function registers by name?

 
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equack



Joined: 21 Sep 2009
Posts: 21

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use special function registers by name?
PostPosted: Thu Sep 09, 2010 1:40 pm     Reply with quote
OK, right now I have a series of these:

Code:
#ifdef PIC18F25K11
  #byte TXREG=0xFAE
  #byte RCREG=0xFAF
#else
  #byte TXREG=0xFAD
  #byte RCREG=0xFAE
#endif


I want do to something like this:
Code:

#byte TXREG=something("TXREG")
#byte RCREG=something("RCREG")


How do I do this in CCS C? I'm running V4.112
Ttelmah



Joined: 11 Mar 2010
Posts: 19369

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PostPosted: Thu Sep 09, 2010 2:38 pm     Reply with quote
Getenv.
A lot of the examples 'predate' this, but for the last few years, the compiler has supported commands like:

#byte TXREG=getenv("TXREG")

which will work on all the PIC families.

Best Wishes
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