This information applies to the following SoCs: nRF52820 , nRF52833 , and nRF52840 .

This is a simple example based on USBD driver - legacy layer . The example emulates a HID mouse.

Setup

You can find the source code and the project file of the example in the following folder: <InstallFolder>\examples\peripheral\usbd

LED assignments:

• LED 1 shows the USB connection status. The state changes on every USB start of frame event (SOF).

Button assignments:

• Button 1 moves the HID mouse cursor.

Testing

Test the USB Device Example application by performing the following steps:

1. Compile and program the application.
2. Connect the development kit to the host computer through the J-Link port.
3. Connect the nRF USB to the host computer.
4. Press Button 1 and observe that the mouse cursor moves.

   Note

   An "Unknown descriptor requested" error might appear on the console when a non-handled descriptor appears.