uc480 camera initialization fail

[dchang24]

When I run the code for the Thorlabs DC1545M camera, it couldn't execute is_InitCamera(). The camera works when I use the ThorCam software, and the Python code does detect the presence camera with the correct information:

Load uc480 library..
API version 4.80.5
Found 1 camera(s)
Camera #0: SerNo = b'4103156957', CameraID = 1, DeviceID = 1

It just fails with the is_InitCamera() with the return flag=3. If I unplug the camera and run it again, it is also showing flag=3. I'm pretty sure I've closedother programs using the camera.
Before using this code, I also tried to code it myself using ctypes, and I also had problems running is_InitCamera(). The strange thing is if I ignore the error and go on to take images, it succeeds although it doesn't use the correct exposure time I set. Any idea why this code doesn't work? Does it have to do with the OS (I'm using Windows 10) or other things?

Thanks.

[ddietze]

Hi,
can you share more details on how you connect to the camera?

Do you have multiple cameras connected to the computer?
It seems that the is_InitCamera function sometimes gives error code 3 if called with a device or camera ID.

Have you tried using connect() without arguments, i.e. is_InitCamera with ID 0?

Best regards,
Daniel

[dchang24]

The problem is solved now. I guess that my own Python code or the ThorCam software may have somehow interfered with the camera even if they are not currently running. My solution is just to restart Spyder and run the code again, and make sure everytime thorcam.disconnect() is run before any new initialization starts.

By the way, small typo in line 268 inside the function 'get_sensor_size(self)'. (swith -> swidth)