How to read the tag bluetooth data in labview 2015 running on Windows 10

Hi all

I have a Development Board Nordic semiconductor nr51. This card is programmed as a tag bluetooth which simply announces his address with 16 bits of data appended to the end.

My laptop came with loan materials smart bluetooth. I installed an app interactor lighthouse to bluetooth on my laptop and the software is able to detect the tag as if shown on the image below.

I wanted to write a LabVIEW program that will simply be careful bluetooth headlights and notify me in my computer every time a lighthouse with the specified address is detected. This mobile application below is provided by the manufactuerer of the Board of Directors and I wanted to develop a LabVIEW program something similar to what will read the given data and extract values.

Somehow, all the sample applications provided data only shows how to read and write in a connected bletooth device but not analysis for tags. I also tried using the Bluetooth ' discover ' and it does not detect the bluetooth beacons.

Could someone provide me with the necessary information or example program for detecting / reading of tags bluetooth in LabVIEW 2015 running on Windows 10?

Do I need to install a third-party software to read data from bluetooth?

Bluetooth in LabVIEW function nodes using the Winsock interface to access bluetooth resources. This works very well for Bluetooth 2.0 devices but not Bluetooth 4.0 devices WHEAT aka. Microsoft has created a completely different interface for these resources API as the model of overall service for WHEAT devices has radically changed.

The API to use WHEAT devices is the API of the GATT (generic attribute profile) in Windows. There is supposedly a .net interface available that you can try to use (Windows.Devices.Bluetooth.GenericAttributeProfile). The WinAPI to lower level (https://msdn.microsoft.com/en-us/library/windows/hardware/hh450825(v=vs.85).aspx) is a C DLL API and does not lend at all to be called directly by the LabVIEW call library node, since some of the parameters of the function are quite complicated and you need to also access the SetupDI APIs to enumerate resources WHEAT and even harder to function parameters. In order to access this low-level API to write an intermediate DLL which results in low level API C a more acceptable API for LabVIEW.

Another possible problem is that Windows don't at least in Windows 8 not allows devices to pair per program. Microsoft wanted to force developers in the use of the "inbox" experience, which means that all users must go through Microsoft provided service pairing, instead of each request for implementation of his own matching technique.

Tags: NI Software

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