Check the camera is connected#2
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roggedaniel merged 1 commit intotormach:mainfrom Jan 31, 2022
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OpenCV creates 'VideoCapture' object even if it cannot connect to the specified camera. That will raise an exception later on when the code tries to access it. This adds a simple check that the camera is connected and fails with notification to the user if it is not.
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In relation to discussion in Tormach Forums thread, this pull request adds simple checking of the camera connection and few helpful comments.
Targeted at users with minimal Python exposure, so minimal changes, minimal code.