Device communication
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Hi
I need help with reading data from a device. My code :
s1 = serial('COM4');
s1.BaudRate = 9600;
s1.DataBits = 8;
s1.Parity = 'none';
s1.StopBits = 1;
s1.FlowControl = 'none';
s1.Terminator ='CR';
fopen(s1);
fread(s1);
fclose(s1);
delete(s1);
The problem occurs, because I have to send/transmit a macro to the device. Macro is ACK(acknowledgment/006) in ASCII. I don't know how to do this. What should I add to my code?
Thanks a bunch in advance!
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More Answers (2)
Slobodan Djordjevi?
on 7 Dec 2011
1 Comment
Walter Roberson
on 7 Dec 2011
fwrite(s1, char([48 48 48 48 46 48 52 13 48 48 48 48 46 48 48 13 10]))
Please double-check the list of characters. At the very end you have 10 following the 13, which is linefeed following carriage return, but earlier in the sequence you have a carriage return by itself. Very few systems mix carriage return alone with carriage return followed by linefeed.
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