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fwupd/plugins/dfu
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Mario Limonciello 9289e7d817 trivial: set firwmare attributes class directory for all tests 
We don't want the system's firmware attributes class directory to
conflict.
2022-07-28 17:30:57 -05:00
..
contrib trivial: correct docstring location for a few python files 2021-04-09 16:02:20 +01:00
dfu-tool.1 trivial: fix man page sections 2022-01-04 14:17:43 -06:00
dfu.quirk dfu: Fix a regression for devices using the Atmel FLIP Bootloader 2022-07-08 12:34:35 +01:00
fu-dfu-common.c trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-dfu-common.h dfu: Add Force-Detach to bypass audio/video streaming check 2022-06-29 15:14:03 +01:00
fu-dfu-device.c dfu: Add Force-Detach to bypass audio/video streaming check 2022-06-29 15:14:03 +01:00
fu-dfu-device.h Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-dfu-sector.c trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-dfu-sector.h Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-dfu-self-test.c trivial: set firwmare attributes class directory for all tests 2022-07-28 17:30:57 -05:00
fu-dfu-target-avr.c Split out the dump helpers to a new source file 2022-06-14 14:36:52 -05:00
fu-dfu-target-avr.h Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-dfu-target-private.h dfu: Set the DfuDevice as a proxy to the DfuTarget 2022-05-12 08:38:18 +01:00
fu-dfu-target-stm.c Split out the GByte helpers to a new source file 2022-06-14 14:36:52 -05:00
fu-dfu-target-stm.h Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-dfu-target.c Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-dfu-target.h Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-dfu-tool.c Check firmware magic in a more standard way 2022-07-14 14:48:15 +01:00
fu-plugin-dfu.c Add plugin quirk keys earlier in the startup process 2022-05-09 11:13:52 +01:00
meson.build Build the quirk files into the daemon as a GResource 2022-06-30 18:52:24 +01:00
README.md trivial: update markdown for pre-commit style 2021-07-18 14:42:47 -05:00

README.md

DFU

Introduction

Device Firmware Update is a standard that allows USB devices to be easily and safely updated by any operating system.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in DFU or DfuSe file format.

This plugin supports the following protocol IDs:

  • org.usb.dfu
  • com.st.dfuse

GUID Generation

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

  • USB\VID_273F&PID_1003&REV_0001
  • USB\VID_273F&PID_1003
  • USB\VID_273F

Update Behavior

A DFU device usually presents in runtime mode (with optional DFU runtime), but on detach re-enumerates with an additional required DFU descriptor. On attach the device again re-enumerates back to the runtime mode.

For this reason the REPLUG_MATCH_GUID internal device flag is used so that the bootloader and runtime modes are treated as the same device.

Vendor ID Security

The vendor ID is set from the USB vendor, for example USB:0x0A12

Quirk Use

This plugin uses the following plugin-specific quirks:

DfuFlags

Optional quirks for a DFU device which doesn't follow the DFU 1.0 or 1.1 specification.

Since: 1.0.1

DfuForceVersion

Forces a specific DFU version for the hardware device. This is required if the device does not set, or sets incorrectly, items in the DFU functional descriptor.

Since: 1.0.1

DfuForceTimeout

Forces a specific device timeout, in ms.

Since: 1.4.0

DfuForceTransferSize

Forces a target transfer size, in bytes.

Since: 1.5.6

External Interface Access

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