To automatically reconnect Bluetooth

Hi, I have a vi that connects to a Bluetooth transceiver and collects and plots / stores incoming data. The connection is initiated by the user on the front panel.  However, sometimes LabVIEW gives me a connection error, sometimes it's once an hour, sometimes it's once every 24 hours, and I have to manually start the connection.  I was wondering if there is a way to design a vi that is always looking for a connection, so if the connection is lost it reconnects automatically.  I see that there is no sample Bluetooth screws that come with LabVIEW (2010), would one of these work?

Hi baseball07,

The example of "Advanced Blueooth Server.vi" (go to help > examples > Search bluetooth and it should appear in the list) should be a good place to start. It shows how to connect to several headphones at the same time, using the listener to create function.

Thus, it shows how to use the Bluetooth to waiting on the listener function. In this example, VI, if you catch an error Connection Timed Out or connection closed, you stop the loop and close. You can change this so that if you receive this error message create you a flag to show that a shift has occurred, but rather to stop, continue the loop outside while Cook waiting for Bluetooth on the State of the listener. As long the device he always tries to connect, you should be able to reconnect automatically on the bluetooth device.

I hope this helps!

Tags: NI Software

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