![]() I redid the procedure 3 times (flashing the latest USBasp firmware), and everytime I got the same error. WTF? The USBasp still works for verifying other Arduinos (I checked it with 2 different arduinos), but I have no idea how this will affect other aspects of its functionalities. I am afraid to set the supposedly proper fuses and "fubar" my USBasp-clone.ī) note the "verification error, first mismatch at byte 0x0000". I had noticed this before, when using only -v with avrdude, but since the USBasp was working, I won't care much about it. Reading | # | 100% 1.21sĪvrdude: verification error, first mismatch at byte 0x0000Īvrdude: verification error content mismatchĪ) all the fuses are 0. Writing | # | 100% 1.52sĪvrdude: verifying flash memory against :Īvrdude: load data flash data from input file :Īvrdude: input file contains 4700 bytes This is where things got a bit sour: it flashed, but gave me the following results (just the interesting bits):Īvrdude: reading input file ""Īvrdude: input file auto detected as Intel Hex (I had nf, avrdude.exe and the hex file all in the same folder, one I created for this). The this command line I used to flash my USBasp from the arduino as ISP :Īvrdude -c arduino -P \.\COM7 -p m8 -v -B 1 -U flash:w: Let's flash!īefore proceeding, I dumped the original flash from my USBasp-clone to disk:Īvrdude -c arduino -P \.\COM7 -p m8 -v -B 1 -U flash:r:originalusbasp.hex:i ![]() So I did what I did to bootload my Atmega328-PU (note: non-P) with the Arduino bootloader: I edited nf to let the Atmega8A signature be the one for the Atmega8.Ī few verification runs with avrdude and all seemed ok. The first downside I found was that my USBasp-clone is not exactly an Atmega8, but an Atmega8A-AU, and the device signature is different. Now, at night, it decided to work (same jumper cables!). Somehow during the afternoon it wasn't working, complaining about sync() and the like. I finally got the Arduino ISP sketch working. ![]()
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February 2023
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