URL:
<http://savannah.nongnu.org/bugs/?34892>
Summary: USBasp + ATMEGA328 broken in current SVN
Project: AVR Downloader/UploaDEr
Submitted by: avian
Submitted on: Thu 24 Nov 2011 07:39:50 PM GMT
Category: None
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name: Tomaž
Originator Email:
Open/Closed: Open
Discussion Lock: Any
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Details:
Hi
Sorry for yet another mail. While working on the "part parent" patch I noticed
that the current SVN head doesn't work with my setup: USBasp programmer and
ATMEGA 328.
It appears it will not program the chip at all and also always fails the
verification step:
avrdude: verifying ...
avrdude: verification error, first mismatch at byte 0x0080
0xff != 0x2a
avrdude: verification error; content mismatch
The exact command line I'm using is:
avrdude -F -p m328p -c usbasp -e -U flash:w:blink.hex
This same setup is working with avrdude 5.10
Using svn-bisect I found out that the bug appeared in revision 1007 (1006 is
the last one working correctly).
Since 1007 is a "mega-commit" it's hard to find what exactly introduced the
bug. I've been looking at the diff and can't spot it.
If someone more familiar with the code can help, I can give some more
debugging info.
Thanks
Tomaž
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