Table of Contents
Introduction
The AXI USB device IP is an USB device controller IP. It has no support for OTG mode. This IP can be instantiated on FPGA or Zynq or ZynqMP PL. This page describes the usage of AXI USB device IP standalone driver.
How to Enable
Source Path for the driver:https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/usb/
Driver source code is organized into different folders. Below diagram shows the usbpsu driver source organization
usb
|
-- Doc - Provides the API and data structure details
|
- Examples - Reference application to show how to use the driver APIs and calling sequence
|
- Source - Driver source files
Features Supported
Controller Features Supported
- USB 2.0 HS and FS Device controller.
- USB 1.1 legacy FS/LS.
- Local DMA Engine.
Driver Features Supported
- Support device mode only
Known Issues and Limitations
- Host mode is not supported
- OTG mode is not supported
Performance
- The below performance results are observed using CrystalDiskMark tool on windows
Test Procedure
Mass storage profile can be tested by compiling files found in the below linkhttps://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/usb/examples
Below is the testing procedure of AXI USB standalone example which operates as a mass storage gadget
- Download and run the generated USB 2.0 example ELF
- Connect board setup to standard host(Windows/Linux)machine USB 2.0 port.
You will get pop-up window on Window machine for formatting the size 256MB. After format completes, you can copy file to usb device.
Change Log
2017.3Summary:
- None
2017.4
- None
2018.1
- None
2018.2
- None
2018.3
- None
2019.1
- None
2019.2
- None
2020.1
- None
2020.2
- None