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getenv("DEVICE") question

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pfournier

Joined: 30 Sep 2003
Posts: 89

getenv("DEVICE") question

Posted: Thu Mar 06, 2014 8:46 am

Using PCWHD 5.020

I tried this preproccesor code:

This is right at the top of may main.c file.

Code:

#if getenv("DEVICE") == "PIC18F4620"
#define STACK_USE_PICDEM_LCD 1
#elif getenv("DEVICE") == "PIC18F87J50"
#define STACK_USE_PICDEM_LCD 0
#else
#error Device not defined
#endif

It seemed to be working when I put it in the middle of my all day programming session. When I came in this morning and tried a compile it threw up my "Device not defined" error message

For jollies I put:
#device PIC18F87J50
as my first line. The compile worked as expected.

I the REMOVED the #device line and it STILL compiled.

I had hoped getenv("DEVICE") would be reading the processor setup in either the Compile Menu, or the Options/Project/General/Target, but by modifying the #device value it modifies the target in the Compile Menu, and the Options/Project/General/Target.

The big thing that bothers me is that removing the #device value doesn't change anything.

Am I missing something here?
_________________
-Pete

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