fs_fwrite3.m

来自「Matlab下的EEG处理程序库」· M 代码 · 共 23 行

function fs_fwrite3(fid, val)

% FS_WRITE3 - write a 3 byte integer to a file
% 
% fs_fwrite3(fid, val)
%
% see also FS_READ3, FS_READ_SURF, FS_WRITE_SURF

if(nargin ~= 2)
  fprintf('USAGE: fs_fwrite3(fid, val)\n');
  return;
end

%fwrite(fid, val, '3*uchar') ;
b1 = bitand(bitshift(val, -16), 255) ;
b2 = bitand(bitshift(val, -8), 255) ;
b3 = bitand(val, 255) ; 
fwrite(fid, b1, 'uchar') ;
fwrite(fid, b2, 'uchar') ;
fwrite(fid, b3, 'uchar') ;

return