Re: Problem using ADPICam driver

[Mark Rivers via Tech-talk <tech-talk at aps.anl.gov>]

Hi Jörn,

I have not used ADPICam before, so I am not sure what the problem is. I am using lots of PI cameras on Windows with ADLightField.

> With another software that I have the camera works perfectly delivering images. 

What is the other software that is working?  Is it running on the same Linux machine?

Mark

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From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Jörn Dreyer via Tech-talk <tech-talk at aps.anl.gov>
Sent: Thursday, April 27, 2023 7:00 AM
To: tech-talk tech-talk <tech-talk at aps.anl.gov>
Subject: Problem using ADPICam driver

 

Hello,

I have a problem using a PrincetonInstruments PIXIS camera with ADPICam. My
IOC hangs in the Line PICamConfig("PICAM", 20, 0x5000000, 2, 0x5000000).

The out put of strrace shows:

openat(AT_FDCWD, "/dev/bus/usb/001/004", O_RDWR|O_CLOEXEC) = 23
ioctl(23, USBDEVFS_GET_CAPABILITIES, 0x5621d1320e8c) = 0
ioctl(23, USBDEVFS_CLAIMINTERFACE, 0x7ffd05254f24) = 0
timerfd_settime(13, TFD_TIMER_ABSTIME, {it_interval={tv_sec=0, tv_nsec=0},
it_value={tv_sec=8721277, tv_nsec=456792680}}, NULL) = 0
ioctl(23, USBDEVFS_SUBMITURB, 0x5621d130e4e0) = 0
ioctl(23, USBDEVFS_SUBMITURB, 0x5621d13287e0) = 0
read(12, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=12, events=POLLIN}, {fd=13, events=POLLIN}, {fd=23,
events=POLLOUT}], 3, 60000) = 1 ([{fd=23, revents=POLLOUT}])
ioctl(23, USBDEVFS_REAPURBNDELAY, 0x7ffd05254bb0) = 0
ioctl(23, USBDEVFS_REAPURBNDELAY, 0x7ffd05254bb0) = -1 EAGAIN (Resource
temporarily unavailable)

That tells me, that it finds the camera but has somehow problems to
communicate with it. Looking with the debugger where it hags, reveals that
this happens already in the call to Picam_InitializeLibrary().
I have setup an udev rules file with the following content:

ATTRS{idVendor}=="0bd7", ATTRS{idProduct}=="a026", MODE="0666",
GROUP="plugdev"

When I plugin the camera it gets detected by the system::
[8720825.614808] usb 1-10: config 1 interface 0 altsetting 0 bulk endpoint
0x81 has invalid maxpacket 64
[8720825.614811] usb 1-10: config 1 interface 0 altsetting 0 bulk endpoint 0x1
has invalid maxpacket 64
[8720825.614978] usb 1-10: config 1 interface 0 altsetting 0 bulk endpoint
0x81 has invalid maxpacket 64
[8720825.614980] usb 1-10: config 1 interface 0 altsetting 0 bulk endpoint 0x1
has invalid maxpacket 64
[8720825.615137] usb 1-10: New USB device found, idVendor=0bd7,
idProduct=a026, bcdDevice= 0.00
[8720825.615139] usb 1-10: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[8720825.615140] usb 1-10: Product: PIXIS V3.6
[8720825.615141] usb 1-10: Manufacturer: Princeton Instruments


I tried with different USB ports, optical extender etc. With another software
that I have the camera works perfectly delivering images. But EPICS somehow
has a problem with the device. I am using areaDetector R3-12-1.

Any ideas whet could be causing this? It looks like some accessrights are not
set properly, but I have no clue where.

Regards

Jörn

--
Dr. Jörn Dreyer
HIBEF DAQ + Controls
Institut für Strahlenpysik
Helmholtz - Zentrum Dresden - Rossendorf