bugAVR Downloader/UploaDEr - Bugs: bug #25701, avr910_read_byte_flash() cannot...

 
 

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bug #25701: avr910_read_byte_flash() cannot read high byte

Submitted by:  Joerg Wunsch <joerg_wunsch>
Submitted on:  Wed 25 Feb 2009 08:51:58 AM UTC  
 
Category: NoneSeverity: 3 - Normal
Priority: 5 - NormalItem Group: None
Status: InvalidPrivacy: Public
Assigned to: Joerg Wunsch <joerg_wunsch>Originator Name: Jörg Wunsch
Open/Closed: ClosedRelease: None
Programmer hardware: Device type: 

Sat 28 Feb 2009 10:07:06 AM UTC, comment #1:

The logic to distinguish between low and high byte was
actually there. As the old cache hasn't been used for
years now, I removed it.

Joerg Wunsch <joerg_wunsch>
Project AdministratorIn charge of this item.
Wed 25 Feb 2009 08:51:58 AM UTC, original submission:

In rev 1.22 of avr910.c, the cache for the high byte in
avr910_read_byte_flash() has been turned off. This happened
as a consequence of applying patch #3277 which claims to
fix several problems with paged writes.

However, as the code looks now, avr910_read_byte_flash()
cannot return a high byte anymore at all.

Either the claim of patch #3277 proves bogus, then the byte
cache should be turned on again, or we have to take care in
avr910_read_byte_flash() to extract the correct byte out of
those two bytes returned in response to the `R' command.

Joerg Wunsch <joerg_wunsch>
Project AdministratorIn charge of this item.

 

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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Sat 28 Feb 2009 10:07:06 AM UTCjoerg_wunschStatusNone=>Invalid
      Assigned toNone=>joerg_wunsch
      Open/ClosedOpen=>Closed
    Wed 25 Feb 2009 08:52:20 AM UTCjoerg_wunschSummaryAVR910 avr910_read_byte_flash() cannot read high byte=>avr910_read_byte_flash() cannot read high byte

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