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fwupd/plugins/unifying
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Richard Hughes c909ab3f3c unifying: Fix regression when recovering from failed flash 
The unifying version numbers are of the form 'RQR24.00_B0000' which means we
have to force the plugin to 'plain' version format to avoid stripping out the
non-semver chars.

Fixes https://github.com/hughsie/fwupd/issues/1018
2019-02-12 10:00:02 +00:00
..
data Add support for Logitech Unifying devices 2016-12-12 15:36:53 +00:00
fu-plugin-unifying.c unifying: Fix regression when recovering from failed flash 2019-02-12 10:00:02 +00:00
fu-unifying-bootloader-nordic.c unifying: Use the new daemon-provided functionality 2018-09-07 16:22:38 +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 unifying: Use the new daemon-provided functionality 2018-09-07 16:22:38 +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 trivial: Add fu_common_dump_raw() 2018-12-05 15:09:56 +00:00
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 Add fu_device_add_instance_id() and prefer explicit conversion 2019-02-04 15:19:57 +00:00
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 Add shared functionality for reading and writing with O_NONBLOCK 2018-12-06 14:07:02 +00:00
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 trivial: Add the missing protocol IDs to the plugin READMEs 2019-01-29 22:28:09 +00:00
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 infomation 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.github.io/Solaar/