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GET / PUT cameraexposure

Zeisberg GmbH

GET / PUT cameraexposure

Path

http://merlin.local:55552/v0/cameraexposure

Body

{ "right": 1000, "left": 1100 }

MQTT response

Changes to camera exposure settings are published via MQTT topic merlin/config:

{ "parameter": "cam_exposure_right", "value": "2500", "info": "SetExposure succeeded", }

respectively cam_exposure_left for the left camera.

info can contain an error message in the form "SetExposure failed: <error>"

Notes

Values are permanently stored in the device config file.

If streaming is active, the values are immediately set in the hardware and take effect with the next frame captured.

Changed values or error messages are also send via MQTT in topic “merlin/config” with

  • parameter = cam_exposure_right / cam_exposure_left

  • value

  • info

    • SetExposure succeeded

    • SetExposure failed: <error>

The maximum and minimum values for IMX273 are

  • min = 29

  • max = 15110711

  • step = 1

  • default (v4l2) = 10000

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