How to do the sync with notifier

Hi all!

Now what I'm trying to do is to do a sync. A series of signal keeps coming back, and a counter records the number.

And I also have a data acquisition to output voltages. Now I want that whenever the meter changes, a change in the production of data acquisition

could be triggered. A synchronization problem! I would like to ask for help on the implementation of this. To use a declarant or appearance? and how?

Someone has an idea?

Thank you!

Chao

The screws you have found would be used, but when you select create options from the file menu, one is open one of several models of design pattern.,

When you select new, a dialog box opens where you can select what you want to open. In the hierarchical menu on the left, expand the 'VI' section and the section she titled "from the model. Continue downhill expanding 'Managers' and finally 'Design Patterns '.

In this final section, you will find a model called "model design of producer/consumer (events)." Select it and then click OK.

This model uses an event (in this case an event on a button to change value) to do something (cause a value to be put in a queue). This basic idea would be expanded by first returning 'upside down' and then using a user-defined event to transmit information of change of State between the loops.

In this scenario, the loop at the bottom (which is where your data acquisition logic would be) becomes the producer loop while the top loop (the one with the structure of the event inside) serves as the loop of consumer.

Basically, the counter in your code generates an event defined by the user whenever the value of the counter changes. The event would pass this state change information to the consumer (instead of a queue) loop.

I make this change because the question you should address with the help of queues and notifiers to synchronize is that only the consumer will see any given notification or the queue item. It's the way they are designed to work and it can be a very useful feature, but if you have more than one consumer who needs to be informed of a change of State, it is also a problem.

On the other hand, an event will be seen simultaneously by all consumers who have registered to receive. Similarly, an event can spend as little or as much as you want.

Mike...

Tags: NI Software

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