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Linux Foundation

Implementing a Custom USB Device Controller Driver in Zephyr

Linux Foundation via YouTube

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Overview

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This talk describes implementing a Zephyr driver for a custom USB device controller built in an FPGA. It covers integration with the Zephyr USB stack, USB transactions and enumeration, troubleshooting, and lessons learned.

Syllabus

Intro
THE SPEAKER
Agenda
System Architecturé
USB CDC in FreeRTOS
TinyUSB
Existing System
Problem Statement
Device Connection
USB Transaction
USB Packet
USB Endpoints
Zero Length Packets
USB Enumeration
Initial Strategy
Troubleshooting
Initial Results
Resolution
Retrospective
Next Steps

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Linux Foundation

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