MATLAB: Fscanf warning message

fscanfread dataserial

Hi, I am using serial port communication. I can write and read the data but the warning after "fscanf" keep pop up. Below attached the code. Code:
    s=serial('COM6','BaudRate',115200,'Parity','none'...
         ,'DataBits',8,'FlowControl','none'...
         ,'Terminator','LF/CR');
    fopen(s);
    fprintf(s,'t');
    out = fscanf(s)
Warning: A timeout occurred before the Terminator was reached.
May i know what is the problem?

Best Answer

If the timeout occurred to early, what about increasing the time?
set(s, 'TimeOut', 100)
? But the default of 10 seconds should be long enough... Perhaps the other parameters are not correct?
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