AVR-Chat

I've written a simple bootloader as well :

http://reza.net/avr/

There are a lot of options.  Easiest is to use a tiny MCU to handle the 
RF IO and to relay the data to the main MCU via the tx/rx pins and some 
other IO to force the bootloader to come up (so you can recover from a 
failed flash).

reza

Ralph Hilton wrote:
>
> On Thu, 31 Aug 2006 07:25:44 -0000 you wrote:
>
> >
> >i wonder if firmware can be updated via wireless connection..i have a
> >project that is connected to a rf module..it continously waits query
> >and give its status..since these units are placed remotely...i want to
> >send firmware updates via wireless too...the mega32 will update its
> >firmware after receiving firmware updates...has anyone has idea on how
> >to implement this?
> >
> >thanks in advance
> >
> >mago
>
> It should be possible to use a bootloader. There is CVAVR code on
> http://www.cmeter.org/CVmegaload/index.html 
> <http://www.cmeter.org/CVmegaload/index.html>
> and ICCAVR code on
> http://www.microsyl.com/megaload/megaload.html 
> <http://www.microsyl.com/megaload/megaload.html>
> The main Atmel site also has application notes with examples.
> --
> Ralph Hilton
> http://www.ralphhilton.org <http://www.ralphhilton.org>
> C-Meter: http://www.cmeter.org <http://www.cmeter.org>
> FZAOINT http://www.fzaoint.net <http://www.fzaoint.net>
>
>