How do you create a Labview Websocket client?

[hrh1818]

Objective: Use WiFi to transfer analog readings from an Arduino Yun to a Labview graphical user interface. 

An Arduino Yun  provides Websocket server capability and is norm ally used with a browser.   But I don't how to create a Labview Websocket client.  Hence my question "How do you create a Labview Webcocket client?

Howard

[smithd]

This looks like it might be what you need:
http://www.lvs-tools.co.uk/software/websocket_api_for_labview/

this might also work out for you:
http://blog.evexiallc.com/

[hrh1818]

Thank you for your reply.

I am looking for no additional cost  Websocket capability.  The LVS Tools program costs $320.00.   I don't understand why the word Labview was mention on the Arduino WebPanel site.  As far as I could tell the author used second party software for an Arduino Websocket server and Javascript with a SVG library to to create a WebPanel.

I am going to keep looking for Websoket client capability for Labbview.

Howard

[Dennis_Knutson]

Have you looked at the http client functions? Do you simply want to read a web page?

[hrh1818]

No, I do not want to read a Web Page.  I want to use Labview's graphical user interface to capture and display analog data. However, instead of using a USB interface to a remote data acquisition device Wifi will be used.

I don't kow if Labview's http client functions will meet my requirements.  However, I have seen other messages saying a Websocket interface is much faster than a Webserver interface.  Hence I came to the experts in this forum to obtain Websocket capability and not some pokey slow webserver capability.

Howard

[Dennis_Knutson]

If you don't want to read a web page, then why did you say you wanted to use the arduino web server? If the device is just using tcp/ip writes, use those functions.

I think you need to better define the arduino interface.

[nathand · Accepted solution]

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@Dennis_Knutson wrote:
I think you need to better define the arduino interface.

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Dennis - The interface is well-defined. Websocket is a standard (with some variations). It uses the web server, although it's not strictly serving HTTP connections.

I don't know of a free LabVIEW websocket client implementation. You might be able to pull apart the LabVIEW HTTP VIs to get some of the initial connection and handshaking logic, though.

[Dennis_Knutson]

Thanks. I misunderstood when he said a browser was used to view it.

[hrh1818]

Thanks Nathand,

Knowing there is no free Websocket available for Labview saves a lot of time and frustration on both sides of the question.  

Howard

[nathand]

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hrh1818 wrote:

Knowing there is no free Websocket available for Labview saves a lot of time and frustration on both sides of the question. 

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Again, I can't promise one doesn't exist. I've never needed WebSockets so I haven't specifically looked for an implementation. However, in several years of reading LabVIEW forums and blogs, I don't remember seeing a full, free, client implementation. There's the beginnings of a server posted here: http://lavag.org/topic/13777-labview-websockets-and-svg/ but I don't think it includes a client.