Example of FiniteAI block Linux machine

I have a machine running RHEL 5 with an attached PCI expansion box. The external box contains 4 maps PCI-6254. I installed the driver NOR-DAQmx 8.0.2 and the 'nilsdev' command recognizes the four 6254 cards very well. With success, I started the tasks on a single card and read data from it. The next step is to get all four cards working so that they begin sampling data at the same time. I used the nidaqmxconfig utility to describe four cards and set the RTSI connections. I took the source of example FiniteAI.c example and changed channels to names that are valid for the card PCI-6254 and selected'm ' series "Type_de_synchronisation". When I run this program changed to the FiniteAI, my machine hangs and no longer accepts user input and does not even meet a ping command. I have it turn off and turn on in order to use the machine again.

I've attached the output of the "nilsdev - v" and "nidaqmxconfig - export" programs as well as the source of modified FiniteAI.

Anyone have any suggestions to solve this problem?

Thank you

-Tom

I continued the search for the discussion forums and found this issue since the beginning of this year: http://forums.ni.com/t5/Multifunction-DAQ/How-do-set-the-Clock-Signal-as-a-Digital-Out-in-the-C-API/... I rebuilt my kernel to use batteries 8 k which it fixed as well for me.

I would suggest replacing the README file for the Linux version to include suggestions like that then don't spend days looking for answers.

-Tom

Tags: NI Hardware

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