How to update USBasp firmware using another USBasp
I have experienced problems with one of the 2 USBasp
programmers we have at MakeRiga and decided to flash the firmware. Here's how to do it.
- Download the latest firmware from https://www.fischl.de/usbasp/. At the time of writing this it was https://www.fischl.de/usbasp/usbasp.2011-05-28.tar.gz
- Extract the archive
- There are 3 firmwares inside the
usbasp.2011-05-28\\bin\\firmware
directory:usbasp.atmega88.2011-05-28.hex
,usbasp.atmega8.2011-05-28.hex
andusbasp.atmega48.2009-02-28.hex
. The difference between them is the target micro-controller. Check which one you have.
- To update the firmware you also need to set jumper
J2
on the USBasp to update as explained in the Readme.txt - Set both USBasp to 5V on jumper
J1
and connect them via a 10 pin cable - Finally connect the programmer to the computer USB port
- Now let's get to avrdude. Copy the correct firmware to the avrdude directory.
- Backup the original firmware. You'll need to replace VARIABLE with your micro-controller version:
atmega8
,atmega48
oratmega88
avrdude -c usbasp -p VARIABLE -U flash:r:flash-usbasp.bin:r
- To write the latest firmware. Replace FIRMWARE with your firmware
avrdude -c usbasp -p VARIABLE -U flash:w:FIRMWARE
That's it!