How can I set trigger callback function for session based interface?

2014 7 31
2 个回答
更新时间：2015 5 13
8 次查看（30 天）

1 个投票

Hi,
I want to callback some functions when trigger is executed in DAQ session based interface.
How can I set it? I tried to execute >> set(AI,'TriggerFcn',@show_data); but matlab says "TriggerFcn is not an accessable property for 'daq.ni.Session'". The instrument is NI USB-6251 and Matlab version is R2013b.
Sincerely yours

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Yishai
Yishai 2015-5-12
Has anyone looked into this int he past 9 months? This is essentially capabilities that existed in the past and were removed.

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回答（2 个）

Walter Roberson
Walter Roberson 2015-5-13

1 个投票

Add a listener for DataAvailable? See here and an example of someone using it over there

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Ryoya Ikuta
Ryoya Ikuta 2015-5-13
Thank you. I successfully add a listener for DataAvailable. I finally found that session based functions are very convenient.
Walter Roberson
Walter Roberson 2015-5-13
If I solved the problem, please mark my answer as Accepted.

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Yishai
Yishai 2014-8-4

0 个投票

I would like to second this question. This is functionality that existed in the legacy based interface and was removed in the session-based interface. I don't know how to convert my old code to this now.

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Ryoya Ikuta
Ryoya Ikuta 2014-8-4
Dear Mr.Yishai
Thank you. I see callback was removed in the session-based interface. Can anyone answer our question?

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