sending data from matlab to 8051

hi,all i have file.bin when i opened it in matlab will show matrix with values such that -30 -11.2 5 10 etc how i can send these data via serial port?is fwrite instruction useful?how plzzzzzzzzzz help with code

Answer 1

[Walter Roberson]

bufsiz = 1024;   %adjust at will
infid = fopen('file.bin');

while true
  buffer = fread(infid, bufsiz, '*uint8');
  if isempty(buffer); break; end
  fwrite(s, buffer, 'uint8');
end

fclose(fid);