UDP compilation error in State-flow

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Martin
Martin 2013-8-14
Hi.
I have linked an Arduino to Matlab using UDP as:
u = udp('10.0.0.177','RemotePort',8888,'LocalPort',9060); %Udp-protocol
fopen(u); %open tow
status = fscanf(u,'%s'); %read protocol as string
fclose(u); %close tow
delete(u); %delete protocol, release port
This worked fine until I wanted to call this as a function in State-flow. State-flow compiles the functions to C code and the udp function does not compile.
I tried to use compilible dsp.UDPReceiver as:
H = dsp.UDPReceiver('RemoteIPAddress','10.0.0.177','LocalIPPort',9060);
status = step(H);
release(H);
but this does not work. I found that step does not accept string, but the Arduino seems to only be able to send strings.
I also tried using the UDPReceiver block in Simulink but with very strange results. I receive numbers that dont match what is sent.
So I would like to either be able to compile the udp function or send strings via UDPReceiver, can anyone help me with that I would realy appreciate it.
/Martin

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Martin
Martin 2013-8-19
Answering my own question.
I was unable to get dsp.UDP working, instead I had to move the UDP communication outside State-flow into Simulink (using flags for commands) and call it as an embedded Matlab function.
Not optimal, but it seems to work.

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