bugAVR Downloader/UploaDEr - Bugs: bug #9882, faulty flash writes on ATmega32...

 
 

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bug #9882: faulty flash writes on ATmega32 via avr910

Submitter:  None
Submitted:  Wed 04 Aug 2004 02:44:43 PM UTC
   
 
Category:  None Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  Fixed Privacy:  Public
Assigned to:  bdean Originator Name:  none given
Originator Email:  -email is unavailable- Open/Closed:  Closed
Release:  None Programmer hardware: 
Device type: 

Sun 18 Sep 2005 12:36:58 AM UTC, comment #2: 

I think this bug is fixed by patch #3277 which was just committed.

Brian Dean <bdean>
Group administrator
Tue 10 Aug 2004 05:30:37 PM UTC, comment #1: 

Okay, the problems I experienced on non-interactive downloads were due to failure in avr910_paged_write_flash() to re-set the address correctly after page writes.  That function has a several other problems:

- no polling or delay after page writes;
- no page writes when not using auto-increment;
- an extraneous page write when data ends on page boundary.

I'll submit a patch fixing all of the above.

The mess I observed in interactive mode is another story: avr910_write_byte() simply doesn't know at all how to handle paged memory.  Ugh.

- nic

Anonymous
Wed 04 Aug 2004 02:44:43 PM UTC, original submission:  

I'm getting very bizarre faults on writing flash, looks like either buggy avr910 driver code or timing problems - see the attached file for a detailed description.  Hardware works fine with AVRprog.exe, host and target work fine with avrdude and an avrisp programmer, so the bug must be specific to avrdude's avr910 code.

Anonymous

 

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Attached Files
file #1630:  problem.txt added by None (6KiB - text/plain)

 

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Follow 6 latest changes.

Date Changed by Updated Field Previous Value => Replaced by
2005-09-18 bdean StatusNone Fixed
    Assigned toNone bdean
    Originator Name none given
    Originator Email none given
    Open/ClosedOpen Closed
2004-08-04 None Attached File- Added problem.txt, #1563

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