Experimental Physics and Industrial Control System
Hi ,
I just made some observations concerning the ADPICam driver under Linux. After
PrincetonInstruments came up with a Linux version that supports the USB based
PIXIS cameras (version > 5.x.x) I ported the ADPICam driver to Linux to read
out a PIXIS 256E camera. Here is what I observed:
1) If the camera is connected the driver detects it at startup via
Picam_OpenFirsCamera(). Then it sets up the auto discovery functionality of
the Picam library. This leads to two calls to the piHandleCameraDiscovery
function, once with action 1 (Found) with camera Id 0 -> "Pixis Series" and
another time with action 2 (Lost) with camera Id 28 -> "Pixis 256E". That
leaves the list of availableCameras with an entry of 0 ("Pixis series") which
is unusable.
2) If I unplug the camera from the USB bus and plug it in again, it is
detected correctly and can be used!
3) If the camera is connected to an USB 3.0 bus it is not detected at all.
4) It I remove from the ADPICam constructor the complete block that opens the
first camera or a demo camera, everything is working properly. Event if the
camera is connected to an USB 3.0 bus!
I'm in contact with the tech support at PrincetonInstruments and they are
looking into the problem. Has something similar been observed under Windows? I
do not have such a system for development and tests available.
PrincetonInstruments would be interested to know if the same problem occurs
also under windows. If someone could do a test and report I would forward the
information to PrincetonInstruments.
Regards,
Jörn
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