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fwupd/plugins/dfu
History
Richard Hughes 908ccf78ce dfu: Mark various Poly products as signed and unsigned
2022-03-04 23:11:05 +00:00
..
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: Mark various Poly products as signed and unsigned 2022-03-04 23:11:05 +00:00
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 trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-dfu-device.c dfu: Downgrade a trivial harmless warning to debug 2022-02-08 11:56:20 +00:00
fu-dfu-device.h Allow using a per-device global percentage completion 2021-09-13 14:28:15 +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 trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-dfu-self-test.c trivial: Do not use g_assert() in self test code 2021-09-24 22:20:21 +01:00
fu-dfu-target-avr.c Allow devices to build instance IDs more easily 2022-03-03 09:13:29 +00:00
fu-dfu-target-avr.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-dfu-target-private.h Allow using a per-device global percentage completion 2021-09-13 14:28:15 +01:00
fu-dfu-target-stm.c dfu: Ignore a USB error for STM32 attach when the device goes away 2021-11-24 15:47:53 +00:00
fu-dfu-target-stm.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-dfu-target.c trivial: Remove some unused variables 2021-12-10 16:00:07 +00:00
fu-dfu-target.h dfu: Fix some unconverted FuProgress usage 2021-11-16 17:04:07 +00:00
fu-dfu-tool.c Do not use gettext before calling setlocale 2022-02-09 16:56:47 +00:00
fu-plugin-dfu.c Speed up the daemon startup by ~2% by doing dlsym much less 2021-11-09 12:02:07 +00:00
meson.build Convert build system to use meson tristate features 2022-02-28 08:34:48 -06:00
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.