AVR-Chat

J


----- Original Message -----
From: wagnerj@proaxis.com
Sent: 05 May 2010 11:13
To: AVR-Chat@yahoogroups.com
Subject: Re: [AVR-Chat] CRC using IAR compiler

 
> I'm using the IAR compiler V5.11 or 5.12 and need to use the feature
 > that has the linker write a CRC in the last two bytes of the executable.
 >
 > I got the linker to write the CRC and I am able to read it back. The
 > problem is, I can't manage to compute the same one. I have tried
 > several different routines to generate the CRC and they agree with
 > each other, but not with what IAR computes. In each case, it is
 > supposed to be a CRC 16 of the CCITT variety with 0x1021 as the
 > polynomial.
 >
 > Has anyone gotten this to work? Is there some sample code somewhere
 > that has been shown to work with the IAR computed CRC?
 >
 > Thanks.
 >

 PS - sorry for misspelling your name!

 Jim Wagner


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