| /* -*- c++ -*- */ |
| /* @file |
| * @author (C) 2016 by Piotr Krysik <ptrkrysik@gmail.com> |
| * @section LICENSE |
| * |
| * Gr-gsm is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3, or (at your option) |
| * any later version. |
| * |
| * Gr-gsm is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with gr-gsm; see the file COPYING. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H |
| #define INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H |
| |
| #include <grgsm/misc_utils/controlled_fractional_resampler_cc.h> |
| #include <gnuradio/filter/mmse_fir_interpolator_cc.h> |
| |
| using namespace gr::filter; |
| |
| namespace gr { |
| namespace gsm { |
| |
| class controlled_fractional_resampler_cc_impl : public controlled_fractional_resampler_cc |
| { |
| private: |
| float d_mu; |
| float d_mu_inc; |
| mmse_fir_interpolator_cc *d_resamp; |
| |
| inline uint64_t resample(const gr_complex *in, |
| uint64_t first_in_sample, |
| gr_complex *out, |
| uint64_t first_out_sample, |
| uint64_t samples_to_produce); |
| |
| public: |
| controlled_fractional_resampler_cc_impl(float phase_shift, |
| float resamp_ratio); |
| ~controlled_fractional_resampler_cc_impl(); |
| |
| void forecast(int noutput_items, |
| gr_vector_int &ninput_items_required); |
| |
| int general_work(int noutput_items, |
| gr_vector_int &ninput_items, |
| gr_vector_const_void_star &input_items, |
| gr_vector_void_star &output_items); |
| |
| |
| float mu() const; |
| float resamp_ratio() const; |
| void set_mu(float mu); |
| void set_resamp_ratio(float resamp_ratio); |
| }; |
| |
| } // namespace gsm |
| } // namespace gr |
| |
| #endif /* INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H */ |
| |