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fwupd/plugins/dfu
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Jerry Zhang dfc0254683 dfu: Introduct a quirk to allow zero polltimeout in dfuDNLOAD. 
Some Poly usb devices report zero in the bwPollTimeout field of
GET_STATUS request. The host can issue the next DFU_DNLOAD
request immediately without any delay.

Introduced a private flag to skip the default DNLOAD timeout
(5ms) fix. It could remarkably reduce the firmware downloading
time taking into account the large firmware (more than 500MB).
2021-08-16 10:01:27 -05:00
..
contrib trivial: correct docstring location for a few python files 2021-04-09 16:02:20 +01:00
dfu-tool.1 Do not use help2man to build manual pages 2021-04-11 13:42:04 +01:00
dfu.quirk dfu: Introduct a quirk to allow zero polltimeout in dfuDNLOAD. 2021-08-16 10:01:27 -05:00
fu-dfu-common.c Allow building the documentation with gi-docgen and gtk-doc 2021-06-09 22:21:53 +01:00
fu-dfu-common.h dfu: Introduct a quirk to allow zero polltimeout in dfuDNLOAD. 2021-08-16 10:01:27 -05:00
fu-dfu-device.c dfu: Introduct a quirk to allow zero polltimeout in dfuDNLOAD. 2021-08-16 10:01:27 -05:00
fu-dfu-device.h trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
fu-dfu-sector.c trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
fu-dfu-sector.h dfu: Modernize the coding style to match the other plugings 2021-02-24 10:36:45 +00:00
fu-dfu-self-test.c trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
fu-dfu-target-avr.c Allow adding and removing custom flags on devices 2021-06-23 07:59:15 +01:00
fu-dfu-target-avr.h dfu: Modernize the coding style to match the other plugings 2021-02-24 10:36:45 +00:00
fu-dfu-target-private.h dfu: Modernize the coding style to match the other plugings 2021-02-24 10:36:45 +00:00
fu-dfu-target-stm.c trivial: ci: Check for inclusion of private headers during pre-commit 2021-06-16 08:32:29 -05:00
fu-dfu-target-stm.h dfu: Modernize the coding style to match the other plugings 2021-02-24 10:36:45 +00:00
fu-dfu-target.c Allow adding and removing custom flags on devices 2021-06-23 07:59:15 +01:00
fu-dfu-target.h trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
fu-dfu-tool.c trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
fu-plugin-dfu.c trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
meson.build trivial: dfu: depend on plugin_deps rather than hardcoding libraries 2021-06-14 09:25:24 +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.