gen_sine

% Generating an raw unsigned char file with a sinus.
% open file sample.raw for writing, generate values
% write file and close (incedentaly plot)
myfile = fopen ("sine.raw", "w");
x = linspace(0, 2*pi, 64);
y = 128*sin(x)+128;
fwrite(myfile,y,"uint8");
fclose(myfile);
plot(x, y);