Forcing device type

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  1. - 18th April 2007, 02:48 #1
    Darrel Taylor's Avatar
    Darrel Taylor
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    Default

    You might try...
    Code:
    ASM
    ifndef __18F8722
        error "18F8722 not selected"
    endif
ENDASM
    That's 2 underscores before the 18F.
    DT
  2. - 18th April 2007, 02:58 #2
    Charles Linquis's Avatar
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    Works!

    Thanks!
    Charles Linquist
  3. - 18th April 2007, 06:00 #3
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    Default Will that work. . . .

    Quote Originally Posted by Darrel Taylor View Post
    You might try...
    Code:
    ASM
    ifndef __18F8722
        error "18F8722 not selected"
    endif
ENDASM
    That's 2 underscores before the 18F.
    Hi Darrel,
    Will that work for any PIC?
    I have been tripped up that way too.
    JS
    edit: Oh yes it does . . . very cool Master Darrel, this unworthy grasshopper thanks you again!
    Last edited by Archangel; - 18th April 2007 at 06:03.
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  4. - 18th April 2007, 08:03 #4
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    Quote Originally Posted by Joe S. View Post
    Will that work for any PIC? ...
    edit: Oh yes it does . . .
    Yes it does!

    Well, assuming you're using MPASM.
    With Charles' 18F8722 it was a good bet.

    But if you're using PM.exe with the "Lower" chips, it would look like this...
    Code:
    ASM
    ifndef pic16F877A
        "pic16f877a not selected"
    endif
ENDASM
    HTH,
    DT
  5. - 18th April 2007, 11:21 #5
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    Thumbs up Thanks Darrel

    Hi,

    I always comment my code as to which PIC I am using. Cause I forget and MCS too. This handy piece of code is really helpful. Thanks again to Charles and Darrel.
    Regards

    Sougata
  6. - 18th April 2007, 14:26 #6
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    Question one step further ...

    Hi, Picmen

    Does anybody know how to define wich is the PIC from the source listing ???

    ( to avoid having to use " CONFIGURE/Select device " manually in MPLAB or MPASM )

    That's the only point I didn't solve ... others work well !!!

    Ok, I know works without changing "select device" for "similar architecture" PICs ... i.e 12F629and 12F675 ... or 16F628 and 16F648.

    but what doable for 16F84 and 16F88, i.e ???

    Thanks

    Alain
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