Hi,
This is my first time ever posting on a mailing list like this before,
but I have added to my own copy of avrdude support for the spidev
drivers that are available in the Linux userspace since around kernel
2.6 or so. I want to submit my patch back to see what is thought of it
and I read somewhere that this is the sort of place to post these sort
of things. The patch begins at trunk revision 1183.
The main point of this addition is to allow single board computers which
run Linux and expose an SPI interface (such as a Raspberry Pi) to talk
directly to an AVR and program it over SPI with no additional hardware
other than a resistor from Reset to Vcc.
I've never modified an open source program before, but I have attached
my changes formatted as a single patch. I was using git, so I hope that
doesn't make things difficult.
I have the full, unsquashed changes on my github repo here:
https://github.com/kcuzner/avrdude
A blog post detailing the hardware side of the process can be found
here: http://kevincuzner.com/2013/05/27/raspberry-pi-as-an-avr-programmer/
I apologize if my attachment is too large or if I have posted in the
wrong place. Again, I have never done this before, so bear with my
mailing list etiquette shortcomings.
Thanks,
- Kevin Cuzner
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