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fwupd/plugins/unifying
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Filipe Laíns 21b591f996 unifying: use fu_firmware_strparse_uint16 to read be 16bit values 
Signed-off-by: Filipe Laíns <lains@archlinux.org>
2019-08-29 20:01:58 +01:00
..
data Add support for Logitech Unifying devices 2016-12-12 15:36:53 +00:00
fu-plugin-unifying.c Allow handling FORCE for devices that subclass FuDevice 2019-05-05 15:29:00 -05:00
fu-unifying-bootloader-nordic.c Use FuFirmware as a container for firmware images 2019-08-08 13:10:57 +01:00
fu-unifying-bootloader-nordic.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-bootloader-texas.c Use FuFirmware as a container for firmware images 2019-08-08 13:10:57 +01:00
fu-unifying-bootloader-texas.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-bootloader.c unifying: use fu_firmware_strparse_uint16 to read be 16bit values 2019-08-29 20:01:58 +01:00
fu-unifying-bootloader.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-common.c Add shared functionality for reading and writing with O_NONBLOCK 2018-12-06 14:07:02 +00:00
fu-unifying-common.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-hidpp-msg.c unifying: Use the new daemon-provided functionality 2018-09-07 16:22:38 +01:00
fu-unifying-hidpp-msg.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-hidpp.c Add shared functionality for reading and writing with O_NONBLOCK 2018-12-06 14:07:02 +00:00
fu-unifying-hidpp.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-peripheral.c Use fu_common_string_append_kv() in subclassed device 2019-08-14 16:48:37 +01:00
fu-unifying-peripheral.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-runtime.c Use fu_common_string_append_kv() in subclassed device 2019-08-14 16:48:37 +01:00
fu-unifying-runtime.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-unifying-self-test.c unifying: Use the new daemon-provided functionality 2018-09-07 16:22:38 +01:00
meson.build trivial: Fix potential compile failures for high -j values 2019-02-01 16:52:16 +00:00
README.md unifying: update Solaar url 2019-08-21 07:08:06 -05:00
unifying.quirk trivial: Add InstallDuration values for Unifying devices 2018-11-15 15:43:43 +00:00

README.md

Unifying Support

Introduction

This plugin can flash the firmware on Logitech Unifying dongles, both the Nordic (U0007) device and the Texas Instruments (U0008) version.

This plugin will not work with the different "Nano" dongle (U0010) as it does not use the Unifying protocol.

Some bootloader protocol information was taken from the Mousejack[1] project, specifically logitech-usb-restore.py and unifying.py. Other documentation was supplied by Logitech.

Additional constants were taken from the Solaar[2] project.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in a vendor-specific format that appears to be a subset of the Intel HEX format.

This plugin supports the following protocol IDs:

  • com.logitech.unifying
  • com.logitech.unifyingsigned

GUID Generation

These devices use the standard USB DeviceInstanceId values when in DFU mode:

  • USB\VID_046D&PID_AAAA&REV_0001
  • USB\VID_046D&PID_AAAA
  • USB\VID_046D

When in runtime mode, the HID raw DeviceInstanceId values are used:

  • HIDRAW\VEN_046D&DEV_C52B
  • HIDRAW\VEN_046D

Design Notes

When a dongle is detected in bootloader mode we detach the hidraw driver from the kernel and use raw control transfers. This ensures that we don't accidentally corrupt the uploading firmware. For application firmware we use hidraw which means the hardware keeps working while probing, and also allows us to detect paired devices.

[1] https://www.mousejack.com/ [2] https://pwr-Solaar.github.io/Solaar/