Re: [avr-gcc-list] uisp serial programming

[Theodore A. Roth]

On Sun, 16 Nov 2003, Simon Han wrote:

> 
> 
> On Sun, 16 Nov 2003, Theodore A. Roth wrote:
> 
> > >
> > > I would like to catch uisp output at AVR microcontroller and do a in
> > > system programming myself.  For S-record, do I get the ASCII format?
> >
> > By the time the target sees the rom image data, uisp has already read in the
> > Srec data and converted it to binary.
> >
> > Sounds like you want to emulate an ISP programmer that uisp supports. If
> >
> 
> that is right.  I figure that instead of writing my own program, it might
> be easier for me to somehow catch uisp output at AVR.  Does uisp have ISP
> independent mode?

ISP independent mode doesn't make much sense, so no, it doesn't.

> Is there documentation for uisp for this matter?

Have a look at this:

  http://www.avr1.org/stk500boot/stk500boot.html

That should give you a start with talking the stk500 protocol. You'd need to 
rip out the bootloader code if you're writing firmware for your own 
programmer.

Ted Roth