fread doesn't work

2 vues (au cours des 30 derniers jours)

Gianmarco le 13 Nov 2013

Réponse apportée : David Sanchez le 13 Nov 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 le 13 Nov 2013

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

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