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Re: [avr-gcc-list] Writing Oscillator Cal. byte

From: Peeter Vois
Subject: Re: [avr-gcc-list] Writing Oscillator Cal. byte
Date: Fri, 20 Aug 2004 21:57:30 +0300


I use under Linux a sh script that uses avrdude to set configuration


GENERAL=" -c pets2 -p ATMEGA8 -E noreset"

# show the available memories
#avrdude $GENERAL -v

# set fuse bits
#   4MHz chrystal

echo write lfuse 0  0xEF | avrdude $GENERAL -n -t

Ühel ilusal kenal päeval Thu, 19 Aug 2004 10:49:48 +0530
"Royce & Sharal Pereira" <address@hidden> kirjutas:

> Hi,
> Is there a way to automatically extract the Osc. Cal byte (eg. the 4
> MHz byte for ATMega8) & insert it into the flash hex file during
> programming at a predetermined location?
> I'm using SP12. There is a Perl script example to do this under Linux,
> but I'm using windows. Is this possible under windows? There is no
> clue to do this in AVR Dude too.
> I guess one can read the cal byte & manually programme the flash
> location, but this could be prone to error.
> Thanks,
> --Royce.
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