Hello, I use the -P option with Atmel-Ice & avrdude and it works well with 2 programmers at the same time. Can you show us what does 'lsusb' return ?
D. Le jeu. 10 déc. 2020 à 20:59, JanHenrik <[email protected]> a écrit : > Hey! > > I encountered a problem with a multiple USBasp programmer setup and I > would like to ask if this is known/if there is a known fix to it. I looked > though the bug-reports and searched the internet, however this seems to be > a either rather unknown problem or usecase. > > The AVRdude documentation states, that multiple USBasp programmers can > (only) be distinguished by their physical USB-Bus connection via the '-P' > option (e.g. in my case, Linux, '-P usb:001:095', lsusb shows two > programmers located at Bus 001 and device 095 and 094). However this does > not work, I can write pretty much anything after '-P' (yes even '-P > Babelfish' works :D), the last connected programmer is always chosen. Is > this a known Issue and is there a fix for it? > > I am using two (later more) usbasp-clones (FASTUSBasp based), connected to > the same USB-Hub, running the following command: 'avrdude -p m328p -c > usbasp-clone -P usb:001:095 -v -B 4 -U flash:w:firmware.hex' > > > Thank you in advance! > > Best Regards > Jan Henrik > >
