[avrdude-dev] [bug #32288] stk500v2 protocol issue

[anonymous]

URL:
  <http://savannah.nongnu.org/bugs/?32288>

                 Summary: stk500v2 protocol issue
                 Project: AVR Downloader/UploaDEr
            Submitted by: None
            Submitted on: Sat 29 Jan 2011 03:05:21 AM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Rob Doyle
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any

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Details:

I just wrote a stk500v2 protocol for my own use.  After some debugging and a
peek at the avrdude code, I find the following comment in sk500v2.c - "We set
bit 6 to indicate this is the very
last page to be programmed, whatever this means -- we just pretend
we don't know any better. ;-)"

The avrdude code sets bit 6 to '1' always...

I was using bit 6 (which should be only set on the last page to be
programmed) to tell the programmer to re-enable the RWW block of
flash after this page is written - which I believe is it's intended
function.

Bob
... just trying to make a good thing better.






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