This is the documentation for the latest (main) development branch of HPM SDK. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

2.3. USB HID Custom Inout

2.3.1. Overview

This example project shows USB hid custom transfers

  • PC transmits a HID report to MCU, and then MC send it back to PC

2.3.2. Board Setting

  • Connect a USB port on PC to the PWR DEBUG port on the development board with a USB Type-C cable

  • Connect a USB port on PC to one of USB port on the development board with a USB Type-C cable

2.3.3. Running the example

  • Download the program and run. The computer can automatically recognize and enumerate a vendor-defined device.

  • Run

python hid_echo.py

  • View “USB HID Write” log： PC transmits 64 bytes to MCU through USB and the first byte is the output report id

  • View “USB HID Read” log: PC receives 64 bytes to MCU through USB and the first byte is the output report id