Using Realtime UPD to Send a string

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Brian Donlan
Brian Donlan on 4 Sep 2022
Commented: Jan Houska on 5 Sep 2022
How do I send a string using the Disktop realtime UPD send block
I am using the string compose to build a NMEA like string
I want to send this to a remote computer which is listening
I do not know how to setup the realtime UDP send block to send a string.
I have tried a raw string and a string to ASCII conversion
Thanks
Brian

Answers (2)

Jan Houska
Jan Houska on 5 Sep 2022
Hi Brian,
for an example how to send formatted text over UDP using Simulink Desktop Real-Time, please see the sldrtex_streamio shipping example. You just need to change the protocol to UDP, see the sldrtex_packetio example for that.
Good Luck, Jan

Brian Donlan
Brian Donlan on 5 Sep 2022
this example does not show how to configure the UDP streaming block to accept a string or ascii input
thanks
brian
  1 Comment
Jan Houska
Jan Houska on 5 Sep 2022
Hi Brian,
The sldrtex_streamio example does exactly that. Please open the Stream Output block dialog and you will see a format string similar to what you have posted. You do not use the Compose block at all. Instead, you send the numeric values directly to the Stream Output block and use the format string that is a parameter of the block.
Good Luck, Jan

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