URL:
<http://savannah.nongnu.org/bugs/?34271>
Summary: avrdude only writes the eeprom in 8-byte steps
(stk500v2)
Project: AVR Downloader/UploaDEr
Submitted by: None
Submitted on: Sun 11 Sep 2011 10:25:24 PM UTC
Category: None
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name: Niko D
Originator Email: [email protected]
Open/Closed: Open
Discussion Lock: Any
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Details:
When uploading eeprom data to an at90can32 over ISP (STK500v2 bootloader),
avrdude only transfers data correctly if the size is a multiple of 8.
If the data size is e.g. 12, only the first 8 bytes are transferred. No
problems occur when transferring 8bytes or 16bytes. I verified that this is
not a problem with my application code by running the command in verbose mode,
where it is clearly visible that avrdude sends 8 as the size if 8 < size <16.
My setup:
at90can32 with a modified version of Peter Fleury's STK500V2 bootloader
avrdude v5.11 (latest).
I also tried it with an older version, 5.8cvs, yielding the same result.
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