Development of USB test tool

Features of the test tool

• Detects all USB devices connected to the PC
• Supports USBCV test cases (USB Command Verifier Compliance Test)
• Supports standard device requests
• Supports bulk loop back transfer test
• Supports isochronous loop back transfer test

System architecture

User interface

Snap-shot of the test tool is shown below:

It has following menus:

• Get Descriptor
• Device Descriptor
• Configuration Descriptor
• Interface Descriptor
• Endpoint Descriptor

Test tool provides the following options:

• Specify the "Read Pipe" and "Write Pipe"
• Select the Input data file and output file
• Select "Loop Back Test"
• Read data from input file and send it to the device
• Store the data read from the device to output file