Application sharing (passing through network events)

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  We have started to purchase DELL servers after many years using HP.  As such, we now need ot use DELL IT Assistant for our hardware monitoring.

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  Otte

  
  

• Apple TV 4 Audio pass through

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• Shared Variable (published network) communication

  Hi all

  All day I was hitting my head with variable communication shared between RT host and the host computer:

  I basically tried to pass an array of the host of the CR to the host computer. For this I used a published shared variable of network type Array U64. I used this link to help me understand usign shared variable communication

  http://www.ni.com/white-paper/4679/en ...

  I also activated RT FIFO. Now in the city that link the information given on the use of FIFO of the single element or Multi element FIFO

  "By enabling real-time FIFO, you can choose between two types of compatible FIFO slightly different variables: the only element and the buffer insurance program. A distinction between these two types of buffers, it's that the only element FIFO reports no warnings on positive or negative overflow conditions. A second distinction is the value returned by LabVIEW when several readers read an empty buffer. Several readers the only element FIFO receive the same value, and the only element FIFO returns the same value until a writer writes back to this variable. Several readers of a FIFO empty array each get the last value that they read from the buffer or the default value for the data type of the variable, if they have not read before variable. "

  I had read the content above a 100 times, but still I'm not able to get a clear picture of the difference and when to use which option. So I decided to take the text and tried to try something for me.

  I had a loop in the reception of RT who writes arrays of 3 different elements in the 'network published variable shared'. Now when I use the option of multi element with "number of berries as - 2" I am able to read tables separates one by one in the host computer (as you can read a queue in general).

  Now when I used the option of single element for the RT FIFO with 1 UN editable table option, only the last table written in the 'shared variable published network' is read in the host computer.

  This seems absolutely ridiculous as if this is the case, then what is the purpose of creating the "buffer". For testing purposes, I had put the buffer in 5 tables.

  In fact, I have only a single author (written in loop in the reception of RT) and a reader (new looping in the host computer). So I don't know even if I need option of the RT FIFO for the published network shared variable.

  I'm sorry for the long message but I've reached the limits of going around in circles waiting to type somewhere

  I know I made a mistake stupid somewher or it miss me probably a clear simple trick but don't know what it is...

  I request some clarification... In fact I posted a little while earlier today so ... bind - http://forums.ni.com/t5/LabVIEW/RT-Host-to-Host-computer-communication/td-p/2348130 )

  any help would be appreciated

  See you soon

  me

  Hello

  I think that the difference between these two types is clearer by using LabVIEW:

  "

  Activation of the FIFO in real-time

  You can activate the FIFO in real-time to a shared variable since the page FIFO in real-time of the properties of the shared Variable dialog box. Check the box Enable the FIFO in real-time in a deterministic way share data using the one element or several elements FIFO.

  Single element FIFO

  One FIFO shares the most recent value of the data. The shared variable overrides the value of data when it receives a new data value. Use this option when you need only the most recent value. Configure the size of the elements of the array or the size of the waveform for the FIFO buffer, if you select a table or a waveform data type.

  Several elements FIFO

  A FIFO multi-elements implements buffer the values shared by the shared variable. You can configure the size and elements of the buffer FIFO to match the parameters of buffering to use of the Variable page, or you can configure a custom size for the FIFO and FIFO elements.

  Note  For single item both multi-elements FIFOs, if the variable contains data table or a waveform, you must configure the size of the elements FIFO equals the size of the data to share. If the network buffer both the RT FIFO are enabled, the network buffer should be at least as big as one of the elements of FIFO. Sharing data smaller or larger that the specified length results in a memory allocation which affects determinism.

  Note  Waveforms contain variant of varying size that are not compatible with real-time FIFO. Therefore, if you enable the FIFO in real-time on a shared variable that contains the waveform data, the item variant waveform data does not transfer.

  "

  http://zone.NI.com/reference/en-XX/help/370622K-01/lvrtconcepts/rt_projectvariable/#Single_Element_F...

  ' Hope this helps

  Aurélie

• not possible to bind a variable shared via Ethernet network

  Hello!

  I have computer A and B with windows xp, sp3 and labview 8.6, professional edition. The two computers are in the ethernet network. I'd like to Exchange data between two applications of LV using shared variables. I create a shared variable (published network) on both computers.
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  Do you have any idea how to solve this problem?

  Thank you for the answers.

  Hi ,

  Visit this link, maybe it can help you.

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  Thank you...

  If the NAT - T is enabled on clients and VPN gateways, there should be no problem. Otherwise, if two IPsec clients behind WRV200 are trying to connect to the same remote gateway without NAT - T active, 2 IPsec sessions could clash between them.

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• What shared variable caused the event?

  Hello

  I save the shared variables to trigger the event (see attached photo). How is it possible to detect which shared variable triggered the event, but not analysis of chain of the shared Variable in the terminal dynamic event of the structure of the event?

  Thank you.

  Hello Martin,

  Looks like you have access to the shared variable that raises the event, take a look at the photo in the following link:

  https://decibel.NI.com/content/docs/doc-4375

  Michel

• shared - variables multi-network

  Hello

  I have problems of publication of multiple variables shared in a network configuration to the correct network. (NIC1, NIC2, wireless)

  I followed the info in Spreading of Variables shared for a specific network adapter

  For a Windows-based system:
  If one does not already exist, create a file in the C:\WINDOWS directory named logos.ini and add the following lines to the file:
  [LOGOS]
  ServiceBindTo=XX:XX:XX:XX:XX:XX
  where XX:XX:XX:XX:XX:XX is the MAC address of the Ethernet card to want to bind to.
  

  Right-click on My Computer within the LabVIEW Project Explorer, click on Properties. Under the General tab, click the Specify Custom Address checkbox, and enter the IP address of the network card that the shared variables will be deployed to.
  

  but it comes to 8.2.1 - is still topical for 8.5?

  After these changes my shared variables always deployed to the default (wireless)

  I am running XP on the computers and LabVIEW 8.5

  Hello Al,.

  I think you may need to change your default interface card just.

  Here is an article that should help you further:

  http://digital.NI.com/public.nsf/allkb/FB4B94AE226BEA2986257559006D0FF1

  And also, point number 8 on this refers to a similar route of troubleshooting:

  http://digital.NI.com/public.nsf/allkb/6E37AC5435E44F9F862570D2005FEF25

  I hope this helps.

  Let me know if the problem persists.

  Kind regards

  Michael S.
  Technical sales engineer
  NEITHER UK & Ireland

• using PostDelayedCall how to get the value passed through void * callbackData?

  Can someone tell me how to get the data passed through void * callbackData?

  The following code, panel_ptr has the right address but still contains zero.

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  ... SomeFunction)

  {

  int sign;

  ...

  Panel = 2;

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  ...

  }

  void CVICALLBACK value_changed (void * callbackData)
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  int panel_ptr;
   
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  return;
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• File and Printer Sharing for Microsoft Networks-problem

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  http://www.Vistax64.com/attachments/tutorials/2609d1232212061t-file-sharing-turn-off-network_connection_properties.jpg

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  Even after activation of the virtual technology in the BIOS, the PCI device is not listed in "Advanced settings" to configure pass-through. Attached screenshot shows the current setting of the processor.

  Y at - it all the additional steps required to configure it.

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  Hello Sara

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• Win7 spontaneously allows files and printers, sharing on public networks

  There isn't any residential group activated on the computer, but I recently changed the creation of connections of residential group "user accounts and passwords...". "to"allow Windows to manage the homegroup connections... ". ». Normally the files and printers, sharing on public networks is always set to "disable." After login on the computer yesterday, I happened to check in the sharing settings and found that file sharing has been enabled on public networks. I immediately turned off again, but when I woke up once again the computer from sleep mode, today I found that files and printers, sharing on public networks had been reactivated file sharing.

  I wonder if this behavior is related to the homegroup connections settings? Another probable cause?

  Hi Ralf,.

  Thanks for posting your question on the Microsoft Community forums.

  The issue you reported has arisen because of changes in the homegroup settings. As you ' permit Windows manage the homegroup connections "in the homegroup settings, it makes sharing settings to get turned on when you restart the system. So, you can change settings like previous configured in order to solve the problem.

  For more information, please see the following link:

  Networking of computers running different versions of Windows

  Hope this information is useful. Let us know if you need more help, we will be happy to help you.