LabVIEW

cancel
Showing results for 
Search instead for 
Did you mean: 

Basic UDP

Highlighted
I am a new user to LabVIEW and am interested in using to create a "simulator"
for a bunch of "signals". These signals are basically words in a UDP message.
Can anyone tell me how to set up a simple program to write the words (binary)
out to
in a UDP message for a specific IP address. As of now I am trying to put
the
appropriate words into an array and then send out the array.

Any help would greatly be appreciated. Also remember I am a nubie and

getting very basic answers is what I am looking for, I am even having a little
trouble
creating the array as I need it to be. Maybe I should be using a string?

Please email me with answers or information

Thanks
Kurt
proughkr@nswccd.navy.mil
0 Kudos
Message 1 of 2
(1,117 Views)
Kurt Prough wrote:

> Can anyone tell me how to set up a simple program to write the words (binary)
> out to a UDP message for a specific IP address. As of now I am trying to put
> the appropriate words into an array and then send out the array.

The crucial thing here is to have a very good understanding of the format that is
expected on the receiving end of the UDP/TCP connection.

When you say that the signals are binary words in a UDP message, does that mean 2-byte
binary chunks? Does it instead mean conventional text (printable ASCII) words that
are transmitted 8 bits at a time? Something else?

Here's one example: I can take a LabVIEW string control, enable backslash display for
the control, type in "\34\67\68\69\06\07\05\61" (hex ASCII codes for 4, g, h, i, th
ree
unprintable bytes, and a) and then send that string to a remote client via UDP or
TCP. What I am really doing is sending binary data to the remote host--8 bytes or 4
words. If it so happens that the remote machine is expecting and can decode this
data, then I'm in good shape. If not, I have to reevaluate how I construct my
message.

Hope it helps a little,
John Lum
National Instruments
0 Kudos
Message 2 of 2
(1,117 Views)