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Any way to change the ;CRC line in the generated .hex file

 
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pboucher



Joined: 10 Mar 2011
Posts: 2
Location: UNITED STATES

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Any way to change the ;CRC line in the generated .hex file
PostPosted: Thu Mar 10, 2011 8:43 am     Reply with quote

We have a request from our customer to modify the generated .hex file

(currently using CCSC.exe version 4.3.0.293)

At the bottom of the .hex file are 3 comment lines:

Code:

;VER: 1.2
;PIC24FJ256GB110
;CRC=F728  CREATED="20-Jan-11 11:40"


our customer want us to remove the CREATED="[data]" part.
Is there an easy way to do this?

I haven't found see a compiler/linker option to do this. should I be looking someplace else?
ezflyr



Joined: 25 Oct 2010
Posts: 1019
Location: Tewksbury, MA

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PostPosted: Thu Mar 10, 2011 10:55 am     Reply with quote

Hi,

If you modify the .hex file the checksum will no longer be valid, and most programmers will reject the file. There are .hex file editors out there that will allow you to manipulate the .hex file while maintaining the checksum. I haven't done this in a while, but here is the software I think I used for a similar purpose: http://www.sf-soft.de/hex-editor.html

Good Luck!

John
Ttelmah



Joined: 11 Mar 2010
Posts: 19503

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PostPosted: Thu Mar 10, 2011 11:07 am     Reply with quote

Anything beginning with ';', is a remark, and should be ignored by the programmer. The actual file has the Intel CRC above this line. Just use a scriptable text editor, and program it to look for the 'created' word, and delete the stuff.

Best Wishes
pboucher



Joined: 10 Mar 2011
Posts: 2
Location: UNITED STATES

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PostPosted: Thu Mar 10, 2011 11:46 am     Reply with quote

Thank you,

I know I could delete it post build but was wondering if there was a way built into the compiler/linker.
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