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Adom USB - RP2040 persona pack

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by John Lauer

Flash stub firmware to an RP2040 (drag-drop UF2 in BOOTSEL) to enumerate it as a disk, keyboard, mouse, serial, or MIDI device — test USB host support end-to-end.

adom-usb-pluginfirmwareusb-stubraspberry
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adom-usb-stub-rp2040

adom-usb firmware device-test pack — Raspberry Pi. Flash stub firmware to an RP2040 (drag-drop UF2 in BOOTSEL) to enumerate it as a disk, keyboard, mouse, serial, or MIDI device — test USB host support end-to-end.

adompkg install adom-usb-stub-rp2040

Personas

id flashes enumerates as
msc-disk Mass-storage disk (RAM) Mass storage
hid-keyboard HID keyboard (types a test string) HID keyboard
hid-mouse HID mouse (jiggler) HID mouse
cdc-serial CDC serial echo CDC serial
midi USB-MIDI Audio/MIDI

Chips: rp2040 · flash method: uf2-bootsel.

Once installed, adom-usb shows a Flash ▾ persona picker on matching devices. Pick a persona, the pack flashes the stub, and the device re-enumerates as that USB class so you can mount / test / sniff it. This package ships the flash contract (a reference template) — drop your real signed firmware artifacts in firmware/<persona>.<ext> and publish your own version. See the adom-usb wiki page → Writing a packet-sniffer plugin (firmware packs share the same lifecycle).

Hero image: device photograph sourced from Wikimedia Commons under its respective Creative Commons license. This is an open-source reference plugin for adom-usb; manufacturers shipping their own device-test pack should supply their own product imagery.