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40 lines
889 B
Markdown
40 lines
889 B
Markdown
# Fresco PD
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## Introduction
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This plugin is used to update Power Devlivery devices by Fresco.
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## Firmware Format
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The daemon will decompress the cabinet archive and extract a firmware blob in
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an unspecifed binary format.
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This plugin supports the following protocol ID:
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* com.frescologic.pd
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## GUID Generation
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These devices use the standard USB DeviceInstanceId values, e.g.
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* `USB\VID_1D5C&PID_7102&REV_0001`
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* `USB\VID_1D5C&PID_7102`
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* `USB\VID_1D5C`
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These devices also use custom GUID values, e.g.
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* `USB\VID_1D5C&PID_7102&CID_01`
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## Update Behavior
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The firmware is deployed when the device is in normal runtime mode, and the
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device will reset when the new firmware has been written.
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## Vendor ID Security
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The vendor ID is set from the USB vendor, in this instance set to `USB:0x1D5C`
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## External Interface Access
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This plugin requires read/write access to `/dev/bus/usb`.
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