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CSI camera preview

1. Enable CSI camera​

If the user has installed the CSI camera but does not have the /dev/video* device, you can enable the CSI camera pins as follows.

1.1. Configure pins​

Enter the following command in the terminal:

sudo /opt/nvidia/jetson-io/jetson-io.py
sudo /opt/nvidia/jetson-io/jetson-io.py

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Press the arrow keys to select Configure Jetson 24pin CSI Connector , then press Enter to enter the configuration:

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Select Configure for compatible hardware , then press Enter to enter the configuration:

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Select Camera IMX219 Dual , then press Enter to enter the configuration:

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Select Save pin changes , then press Enter to enter the configuration:

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Select Save and reboot to reconfigure pins , and then wait for the system to restart:

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2. Check the video device​

ls /dev/video*

The result of the picture is the result of connecting two CSI cameras: generally one CSI camera displays one video device

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3. Preview the camera screen​

Enter the following command in the terminal, and the system will automatically pop up the camera screen window: Open the /dev/video0 device by default

nvgstcapture-1.0

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3.1. Specify the camera​

If there are multiple cameras, you can specify the camera ID:

nvgstcapture-1.0 --sensor-id=1

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3.2. Specify preview resolution​

If there is only one CSI camera, change --sensor-id=1 to --sensor-id=0 :

nvgstcapture-1.0 --sensor-id=1 --cus-prev-res=1280x720

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