FwupdPlugin – 1.0: Plugin: Analogix
Description: Reference for FwupdPlugin-1.0: Plugin: Analogix

## Introduction

This plugin can flash the firmware of some Analogix billboard devices.

## Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in a Intel Hex file format. The resulting binary image is either:

- `OCM` section only
- `CUSTOM` section only
- Multiple sections excluded `CUSTOM` — at fixed offsets and sizes

This plugin supports the following protocol ID:

- `com.analogix.bb`

## GUID Generation

These devices use the standard USB DeviceInstanceId values, e.g.

- `USB\VID_1F29&PID_7518`
- `USB\VID_050D&PID_008B`
- `USB\VID_047D&PID_80C8`
- `USB\VID_0502&PID_04C4`
- `USB\VID_14B0&PID_01D0`
- `USB\VID_14B0&PID_01D1`

## Update Behavior

The device is updated at runtime using USB control transfers.

## Vendor ID Security

The vendor ID is set from the USB vendor. The list of USB VIDs used is:

- `USB:0x1F29`
- `USB:0x050D`
- `USB:0x047D`
- `USB:0x0502`
- `USB:0x14B0`

## External Interface Access

This plugin requires read/write access to `/dev/bus/usb`.