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Re: [avr-gcc-list] uisp serial programming
From: |
Theodore A. Roth |
Subject: |
Re: [avr-gcc-list] uisp serial programming |
Date: |
Sun, 16 Nov 2003 17:24:02 -0800 (PST) |
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