Experiment 04 - ROS2 Camera Application

Material preparation: One RDK-X5 mainboard, one USB interface camera

1. Experiment Steps

(1) Camera Connection Check

Connect the USB camera to the development board and run ls /dev/video* to check the camera connection

TOOL

1765250099283

As shown in the figure, the camera is connected successfully. (Here we use video0 as an example)

(2) Wake Up Camera

  1. Run cd ~/ros2_ws && colcon build --packages-select arm_demo to enter the ros2 workspace and build the arm_demo package.

1765250133732

  1. Then run source ~/ros2_ws/install/setup.bash # Activate workspace

1765250164802

  1. Finally run ros2 launch arm_demo camera.launch.py # Run camera.launch.py file (Here the camera uses default video0. To modify, change the default value in camera.launch.py line 26)

At this point, you will see terminal print information:

1765250192016

TOOL

And a window appears with real-time footage

1765250205170

At this step, the camera has been successfully awakened!