Re: [avr-gcc-list] Re: [avrdude-dev] [RFC] avrdude Feature Request andCall for Volunteers

[Scott L. Price]

Galen Seitz wrote:
> Eric Weddington wrote:
> >  
> >
> > > -----Original Message-----
> > > From: address@hidden 
> > > [mailto:address@hidden
> > > org] On Behalf Of Joerg Wunsch
> > > Sent: Friday, March 09, 2007 2:21 PM
> > > To: address@hidden; address@hidden
> > > Subject: [avr-gcc-list] Re: [avrdude-dev] [RFC] avrdude Feature 
> > > Request andCall for Volunteers
>
> ...snip...
>
> > > Also, it
> > > might be useful to be able to suppress updating individual parts on
> > > some invocations.  Not only that updating the fuses to the same value
> > > could perhaps contribute to some EEPROM cell wear, but you might not
> > > want to re-initialize your EEPROM all the time as well.  (Isn't that
> > > what has already been bothering AVR Studio users? ;-)
> >
> > Well the only solution is, of course, read-before-write, and only 
> > write if
> > different. I assume this can be done on the fuses and eeprom.
> >
> > Also, realize that the feature that I'm proposing is *intended* for 
> > factory
> > programming for manufacturing, i.e. this would likely be used for the
> > initial, first programming of a device. Not necessarily used in an R&D
> > environment where EEPROM cell wear may become an issue after thousands of
> > programming cycles.
>
> FWIW, I would prefer to use the same file for development and production.
> A single file reduces the number of variables when someone calls and says
> 'It doesn't work'. 
> I like the idea of read-before-write, but for development I would still 
> want some way to control whether flash, eeprom, or fuses are written on 
> an individual basis.  For development work I would like to tell avrdude 
> to verify the fuses and then write to flash.  I think this would catch 
> the majority of my own programming mistakes.
>
> galen

I agree.  I really like the idea of the single file, but I need to be 
able to tell it not to write to things on an individual basis.

Scott  =)

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