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fwupd/plugins/dfu
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Mario Limonciello 23747cccbc trivial: fix dfu-tool linking
2022-09-29 11:04:38 -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: Ignore FPC fingerprint readers 2022-09-28 21:46:22 +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: Use more standard string parsing for DfuForceVersion 2022-09-28 21:46:22 +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-plugin.c Build many more plugins as builtin 2022-09-28 17:01:23 +01:00
fu-dfu-plugin.h Build many more plugins as builtin 2022-09-28 17:01:23 +01:00
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 trivial: Don't print NULL in GError strings 2022-09-22 14:24:50 +01:00
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
meson.build trivial: fix dfu-tool linking 2022-09-29 11:04:38 -05:00
README.md dfu: Allow disabling a DFU device by setting the version to 0 2022-09-28 21:46:22 +01:00

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. If set to 0000 then the DFU functionality is disabled.

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.