[avrdude-dev] looking for simplest protocol that works with m168

[dcb]

Hi All (sorry if this is a duplicate), I'm trying to cut down on the  
arduino bootloader size and need some loader program help.
ref: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1233605999/8#8

I can get the bootloader under 1k with a custom java based loader and  
a trimmed down stk500 command set: 0, Q, U, d, t with flash and eprom  
support (no fuses)

But arduino and avrdude are pretty tightly integrated so it would be  
nice if I could figure out how to trim down avrdude to just send bare  
essential stk500 commands or a flag for another very simple protocol  
that could be implemented in a small bootloader.

Is there any such way to configure avrdude, so it won't care about  
device/programmer specifics and just echo addresses and data?  There's  
so many protocols avrdude supports and I don't have a handy cross  
reference to know the simplest ones or know if they automatically  
limit address sizes or other cross checks that one could stumble on.   
So I thought asking someone in the know would be a good place to start.

Thanks,
Dave.

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