[photon1, c] = fread(fidin, [1], 'int8');   
    if (photon1>0)
        [readout(1,1:3), c] = fread(fidin, [3], 'double');  
        [readout(1,4:5), c] = fread(fidin, [2], 'int32');
        [readout(1,6), c] = fread(fidin, [1], 'double');
    end