[avrdude-dev] [bug #41561] AVRDUDE 6.0.1/USBasp doesn't write first bytes of flash page

[Joerg Wunsch]

Follow-up Comment #13, bug #41561 (project avrdude):

I just tried it (SVN version) using my own USBasp device.
Uploading a large (about 100 KB) file to an ATmega2560 worked
fine:


% ./avrdude -C avrdude.conf -c usbasp -B1 -p atmega2560 -U lorem.elf 

avrdude: set SCK frequency to 750000 Hz
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude: Device signature = 0x1e9801 (probably m2560)
avrdude: NOTE: "flash" memory has been specified, an erase cycle will be
performed
         To disable this feature, specify the -D option.
avrdude: erasing chip
avrdude: set SCK frequency to 750000 Hz
avrdude: reading input file "lorem.elf"
avrdude: input file lorem.elf auto detected as ELF
avrdude: writing flash (100616 bytes):

Writing | ################################################## | 100% 53.92s

avrdude: 100616 bytes of flash written
avrdude: verifying flash memory against lorem.elf:
avrdude: load data flash data from input file lorem.elf:
avrdude: input file lorem.elf auto detected as ELF
avrdude: input file lorem.elf contains 100616 bytes
avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 38.93s

avrdude: verifying ...
avrdude: 100616 bytes of flash verified

avrdude: safemode: Fuses OK (E:FE, H:19, L:E2)

avrdude done.  Thank you.


Alas, my device doesn't tell me which firmware version is
beign used.  I think it is the 2011 version, because I
remember the reason I built my USBasp was to test the TPI
stuff in AVRDUDE.

For reference, I also appended my -vvvv logfile.

(file #32458)
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