esp-idf/tools/test_apps/peripherals/usb/README.md

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| Supported Targets | ESP32-S2 | ESP32-S3 |
| ----------------- | -------- | -------- |
# USB Host Class driver test project
Main purpose of this application is to test the USB Host Class drivers.
## CDC-ACM driver
It tests basic functionality of the driver like open/close/read/write operations,
advanced features like CDC control request, multi-threaded or multi-device access,
as well as reaction to sudden disconnection and other error states.
### Hardware Required
This test expects that TinyUSB dual CDC device with VID = 0x303A and PID = 0x4002
is connected to the USB host.
## MSC driver
Basic functionality such as MSC device install/uninstall, file operatons,
raw access to MSC device and sudden disconnect is tested.
### Hardware Required
This test requires two ESP32-S2/S3 boards with a interconnected USB perpherals,
one acting as host running MSC host driver and another MSC device driver (tinyusb).