def _setup_time_axis(self, t_start=None, t_stop=None):
<EOL>ii_start, ii_stop = <NUM_LIT:0>, self.n_ints_in_file<EOL>if t_start:<EOL><INDENT>ii_start = t_start<EOL><DEDENT>if t_stop:<EOL><INDENT>ii_stop = t_stop<EOL><DEDENT>n_ints = ii_stop - ii_start<EOL>t0 = self.header[b'<STR_LIT>']<EOL>t_delt = self.header[b'<STR_LIT>']<EOL>self.timestamps = np.arange(<NUM_LIT:0>, n_ints) * t_delt / <NUM_LIT>/<NUM_LIT>/<NUM_LIT> + t0<EOL>return ii_start, ii_stop, n_ints<EOL>
Setup time axis.