Chief Delphi - Python: USBCamera does not work?

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team-4480

05-02-2015 11:33

Python: USBCamera does not work?

Hi! We ran into a problem when trying to set up a USBCamera with RobotPy and Python. This code gives us an error:

Code:

        self.usb_camera=wpilib._impl.USBCamera()

wpilib._impl.CameraServer.setAutomaticCapture(self.usb_camera)

We get a module has no attribute to USBCamera and CameraServer error. I tried importing wpilib._impl but that didn't help anything. Thanks a bunch in advance!

TimTheGreat

05-02-2015 14:43

Re: Python: USBCamera does not work?

I had the same problem and it took quite a while to figure out.

Code:

try:

            self.camera = wpilib.USBCamera()

            self.camera.startCapture()

            self.camServ = wpilib.CameraServer()

            self.camServ.startAutomaticCapture(self.camera)

        except:

            self.camera = None

So you create a camera object, start it, then start the camera server. The try/except is in case you want to test without the camera, and it won't break.

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