unofficial-rtos-docs

USBX Host Stack User Guide

This guide provides comprehensive information about USBX, the high-performance USB foundation software from Eclipse Foundation.

It is intended for the embedded real-time software developer. The developer should be familiar with standard real-time operating system functions, the USB specification, and the C programming language.

For technical information related to USB, see the USB specification and USB Class specifications that can be downloaded at https://www.USB.org/developers

Organization

• Chapter 1 - contains an introduction to USBX

• Chapter 2 - gives the basic steps to install and use USBX with your ThreadX application

• Chapter 3 - provides a functional overview of USBX and basic information about USB

• Chapter 4 - details the application’s interface to USBX in host mode

• Chapter 5 - describes the APIs of the USBX Host classes

• Chapter 6 - describes the USBX CDC-ECM class

Troubleshooting

For troubleshooting, be sure to collect the following information:

1. A detailed description of the problem, including frequency of occurrence and whether it can be reliably reproduced.
2. A detailed description of any changes to the application and/or ThreadX that preceded the problem.
3. The contents of the _tx_version_id string found in the tx_port.h file of your distribution. This string provides valuable information regarding your run-time environment.
4. The contents in RAM of the _tx_build_options ULONG variable. This variable gives information on how your ThreadX library was built.

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