Hello, I try to control my temperature controller using serial communicate via matlab.
But it was really hard because i don't know very well about the serial communicate and protocol.
I used PC LINK protocol in the manual.
The command I want to test is DRS Command
Frame Format is
STX+Address DRS, amount, D-resister number CR LF
The example of that is
STX+"01DRS,02,0001"+CR+LF
and respond frame format is
STX+Address DRS, 0K, Data-1, ... Data-n CR LF
Ex)
STX+"01DRS,0K,04D2,0929"+CR+LF
So I tried to communicate with my temperature controller using MATLAB, always there is occured errors...
s=serial('COM6');
set(s, 'BaudRate', 9600, 'DataBits', 8, 'parity', 'none', 'stopbits', 1, 'timeout', 5);
fopen(s);
S=sprintf('\x02"01DRS,02,0001"\r\n');
fwrite(s, S);
out=fscanf(s);
The error was Timeout occured ... when I add the pause(2); between fwrite and fscanf the result was same.
s=serial('COM6');
set(s, 'BaudRate', 9600, 'DataBits', 8, 'parity', 'none', 'stopbits', 1, 'timeout', 1);
fopen(s);
S=sprintf('%x[01DRS,02,0001]\r\n', 002);
fwrite(s, S);
out=fscanf(s);
And, also, I tried this code but result was same...
I think the code that I used to send the command was wrong, but i don't know how to fix it to right form.
STX=0x02(hex)
LF=0x0A
CR=0x0D
I suffers from this for 2 weeks...
How I can fix the code form????
plz help me
