MCUXpresso SDK Documentation
Open on Repo Open an Issue
Source (.md/.rst) Page PDF (.pdf)

dev_video_virtual_camera

dev_video_virtual_camera#

Overview#

The USB video virtual camera application is a simple demonstration program based on the MCUXpresso SDK. It is enumerated as a camera and users can see the video of the device by using a PC test tool.

System Requirement#

Hardware requirements#

  • Mini/micro USB cable

  • USB A to micro AB cable

  • Hardware (Tower module/base board, and so on) for a specific device

  • Personal Computer (PC)

Software requirements#

  • The project files for lite version example are in:
    <MCUXpresso_SDK_Install>/boards//usb_examples/usb_device_video_virtual_camera_lite//.
    For non-lite version example, the path is:
    <MCUXpresso_SDK_Install>/boards//usb_examples/usb_device_video_virtual_camera//. note

    - The is Bare Metal or FreeRTOS OS.
    - The video virtual camera example is tested in Microsoft Windows 10.

Getting Started#

Hardware Settings#

Set the hardware jumpers (Tower system/base module) to default settings.

Prepare the example#

  1. Download the program to the target board.

  2. Connect the target board to the external power source (the example is self-powered).

  3. Power off the target board. And then power on again.

  4. Connect a USB cable between the PC and the USB device port of the board.

For detailed instructions, see the appropriate board User’s Guide.

Run the example#

  1. Plug in the device, which is running video virtual camera application, into the PC. An imaging device “Virtual Camera Demo” is enumerated in the Device Manager.\n
    The video device is attached

  2. Open the camera tool Windows provides, switch to use the target camera by clicking the button in the red circle.
    Windows camera test tool Or use online tool https://webcammictest.com/, select “Virtual Camera Device”.
    Online camera test tool

The resolution is 176 * 144 and the video image format is MJPEG. The frame interval includes 30, 25, 20, 15, 10, and 5 and the default frame interval is 15.

*/

Supported Boards#

LPCXpresso55S16
Getting Started
Hardware Settings

  • The Jumper settings:\n JP20 1-2, JP21 1-2 and JP22 1-2 for chip power.

FRDM-K32L2A4S
Getting Started
Hardware Settings

  • The Jumper settings:\n J9 1-2, J16 1-2.

Contents