Instrument control package: Difference between revisions

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== i2c ==
== i2c ==
i2c
i2c
== TCP ==
=== Example: basic use ===
For testing you could start a tcp listener
<pre>
$ socat TCP-LISTEN:8000 -
</pre>
Now you can connect your listener.
{{Code|TCP example|<syntaxhighlight lang="octave" style="font-size:13px">
# Open TCP connection to 127.0.0.1:8000
t0 = tcp("127.0.0.1",8000)
# write to listener
tcp_write(t0, "Hello world!")
# Blocking read call, returns uint8 array of exactly 12 bytes read
data = tcp_read(t0, 12) 
# Convert uint8 array to string,
char(data)
</syntaxhighlight>
}}
There are several ways to set timeout of read call.
{{Code|set TCP timeout|<syntaxhighlight lang="octave" style="font-size:13px">
# Open TCP connection to 127.0.0.1:8000 with timeout of 100 ms
t0 = tcp("127.0.0.1",8000,100)
# set timeout to blocking
tcp_timeout(t0, -1)
# the timeout can be overwritten for single read call, in this case 1000ms
data = tcp_read(t0, 12, 1000) 
</syntaxhighlight>
}}


[[Category:OctaveForge]]
[[Category:OctaveForge]]
[[Category:Packages]]
[[Category:Packages]]
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