%% Obsluga portu szeregowego

clear;
clc;
delete(instrfind);
s = serial('/dev/ttyS101');
set(s,'BaudRate', 19200, 'StopBits', 2);
set(s,'InputBufferSize', 1024);
fopen(s);

%pause;
fwrite(s,'s');
Vref = 5;
A = zeros(1,768);
for i=1:768
    adc = zeros(1,2);
    adc = fread(s,2);

    A(i) = ((adc(1)+adc(2)*256)*Vref)/1024;
end;

plot(A);
axis([0 768 0 5]);

fclose(s);
delete(s);