[avrdude-dev] [bug #19773] ATmega2561 not correctly flashed

[Harald Kipp]

URL:
  <http://savannah.nongnu.org/bugs/?19773>

                 Summary: ATmega2561 not correctly flashed
                 Project: AVR Downloader/UploaDEr
            Submitted by: haraldkipp
            Submitted on: Wednesday 05/02/2007 at 14:47
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Harald Kipp
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

avrdude fails to flash some of our hex files. A sample project (without
Nut/OS libs) is available for download:
http://www.ethernut.de/arc/inetq-spduo.zip

avrdude -p atmega2561 -P com2 -c stk500v2 -U flash:w:inetq.hex
fails with
avrdude: verification error, first mismatch at byte 0x10000
          0x90 != 0xff
 avrdude: verification error; content mismatch 

We use the SP Duo Programmer
http://www.ethernut.de/en/isp/spduo.html

AVR Studio works fine.

The inetq-spduo.zip archive contains three hex files:
 inetq.hex - the original hex file
 image-spduo.hex - image of the failed avrdude programming, read back with
AVR Studio and JTAGICE
 image-jtagice.hex - image of correct programming (at least this one runs
fine) 





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