fread doesn't work

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Gianmarco el 13 de Nov. de 2013

Respondida: David Sanchez el 13 de Nov. de 2013

Hi, I tried to use fread with the little script in the 'help fread' in matlab, using my active COM but I get an error!

s = serial('COM3');
        fopen(s);
        fprintf(s, 'Curve?');
        data = fread(s, 512);

The error is:

Warning: Unsuccessful read: The specified amount of data was not returned within the Timeout period.

David Sanchez el 13 de Nov. de 2013

You are trying to read data that are not available yet. Try with fscanf.

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