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problem with getenv("DEVICE)

 
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Ramey



Joined: 11 Sep 2007
Posts: 18

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problem with getenv("DEVICE)
PostPosted: Thu Dec 20, 2007 4:25 pm     Reply with quote

I'm using the August '07 version of PCH. Compiling the following test program

[code]
#define __USB_PIC_PERIF__ 1

//#include <18F4450.h>
#include <18F4550.h>

#if getenv("DEVICE")=="PIC18F4450"
#endif

#if getenv("DEVICE")=="PIC18F4550"
#endif
[code]

Fails with the following error.

[code]
Executing: "C:\Program Files\PICC18\Ccsc.exe" "test.c" +FH +DF +LN +T -A +M +Z +Y=9 +EA
*** Error 27 "test.c" Line 9(21,23): Expression must evaluate to a constant
*** Error 48 "test.c" Line 10(24,34): Expecting a (
2 Errors, 0 Warnings.
Halting build on first failure as requested.
BUILD FAILED: Thu Dec 20 14:15:39 2007
[/code]

Any sort of small changes, different device, switching order etc. result in the same error on the second usage of getenv("DEVICE").

Any help appreciated[/code]
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu Dec 20, 2007 4:37 pm     Reply with quote

"August '07" is not a version number. Post the real version number.
Do a compilation that doesn't result in an error. Then look in the
project directory and find the .LST file. The version number is given
near the start of the file. It's a number such as 3.249, 4.013, 4.064, etc.
Post it.
Ramey



Joined: 11 Sep 2007
Posts: 18

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version #
PostPosted: Thu Dec 20, 2007 5:22 pm     Reply with quote

pch Version 4.055
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu Dec 20, 2007 5:33 pm     Reply with quote

Put parentheses around each statement, as shown in bold below:
Quote:
#if (getenv("DEVICE")=="PIC18F4450")
#endif

#if (getenv("DEVICE")=="PIC18F4550")
#endif
Ken Johnson



Joined: 23 Mar 2006
Posts: 197
Location: Lewisburg, WV

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PostPosted: Thu Dec 20, 2007 6:54 pm     Reply with quote

I reported this to ccs on Tuesday - they said it's fixed in the next release Smile

Ken
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