There is an standard called USB On The Go, OTG, supported by many phones and the Raspberry Pi. This standard lets a USB port act as a device or a host. In the RPi the power port supports OTG, but the last time I looked there was no support in the Plan 9 driver.
On Wed, Feb 12, 2025, 04:30 Clout Tolstoy <tolstoycl...@gmail.com> wrote: > The pi zero has a USB hid gadget mode ( it can be used like a rubber ducky > for bad usb attacks). Not sure if there is a plan 9 driver for that > interface. > > On Tue, Feb 11, 2025, 2:21 PM <da...@boddie.org.uk> wrote: > >> You can probably use some flavour of Plan 9 on a Pi Zero variant to do >> the authentication stuff, if you're OK with running that on ARM cores >> attached to a media processor running a variant of ThreadX. Other similar >> form factor boards are available. >> You could also run Inferno on a smaller system and potentially do >> something similar. I haven't looked at the Pi Pico port in a while. Maybe >> it could be persuaded to talk over the USB port instead of a UART. I'm >> looking at Pico 2-related boards and hope that I can figure out USB device >> support. >> > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions > <https://9fans.topicbox.com/groups/9fans> + participants > <https://9fans.topicbox.com/groups/9fans/members> + delivery options > <https://9fans.topicbox.com/groups/9fans/subscription> Permalink > <https://9fans.topicbox.com/groups/9fans/T18ad2d35a1754e48-M740e08a28dacdc69a16d1ed9> > ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T18ad2d35a1754e48-Me5ab28335e3b5c98659256d1 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
