fscanf in simulink?

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raymon saadalla
raymon saadalla 2017-6-21
编辑： raymon saadalla 2017-6-21
I receive some strings in UDP. I can see them using fscanf. But I would like to have them in Simulink environment. I tried stream input block, but it seems that it's different from fscanf. Is there any way that I can monitor the strings, received via UDP, in Simulink? they are ascii value how can i read them in simulink

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回答（1 个）

Walter Roberson
Walter Roberson 2017-6-21
Use a UDP receive block, for which the output type has been set to (or left at) uint8. Pass the output to a MATLAB Function Block. Inside the function block, char() the byte vector. You can sscanf() the resulting string.
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raymon saadalla
raymon saadalla 2017-6-21
编辑：raymon saadalla 2017-6-21
thanks, so i do something like that and this is my function block, but I keep getting not enough arguments error ? any idea why is that.
function output = func(data)
coder.extrinsic('sscanf')
x=sscanf(data)
channel0= x(20:23)
channel0 = strtrim(channel0);
channel0 = str2double(double(channel0))
output = coder.nullcopy(zeros(size(data)));
output = channel0;
end

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