| /* -*- c++ -*- */ |
| /* |
| * @file |
| * @author 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_GSM_RECEIVER_CONFIG_H |
| #define INCLUDED_GSM_RECEIVER_CONFIG_H |
| |
| #include <vector> |
| #include <algorithm> |
| #include <math.h> |
| #include <stdint.h> |
| #include <gsm_constants.h> |
| |
| class multiframe_configuration |
| { |
| private: |
| multiframe_type d_type; |
| std::vector<burst_type> d_burst_types; |
| public: |
| multiframe_configuration() { |
| d_type = unknown; |
| fill(d_burst_types.begin(), d_burst_types.end(), empty); |
| } |
| |
| ~multiframe_configuration() {} |
| |
| void set_type(multiframe_type type) { |
| if (type == multiframe_26) { |
| d_burst_types.resize(26); |
| } else { |
| d_burst_types.resize(51); |
| } |
| |
| d_type = type; |
| } |
| |
| void set_burst_type(int nr, burst_type type) { |
| d_burst_types[nr] = type; |
| } |
| |
| multiframe_type get_type() { |
| return d_type; |
| } |
| |
| burst_type get_burst_type(int nr) { |
| return d_burst_types[nr]; |
| } |
| }; |
| |
| class burst_counter |
| { |
| private: |
| const int d_OSR; |
| uint32_t d_t1, d_t2, d_t3, d_timeslot_nr; |
| double d_offset_fractional; |
| double d_offset_integer; |
| public: |
| burst_counter(int osr): |
| d_OSR(osr), |
| d_t1(0), |
| d_t2(0), |
| d_t3(0), |
| d_timeslot_nr(0), |
| d_offset_fractional(0.0), |
| d_offset_integer(0.0) { |
| } |
| |
| burst_counter(int osr, uint32_t t1, uint32_t t2, uint32_t t3, uint32_t timeslot_nr): |
| d_OSR(osr), |
| d_t1(t1), |
| d_t2(t2), |
| d_t3(t3), |
| d_timeslot_nr(timeslot_nr), |
| d_offset_fractional(0.0), |
| d_offset_integer(0.0) { |
| d_offset_integer = 0; |
| d_offset_fractional = 0; |
| } |
| |
| burst_counter & operator++(int); |
| void set(uint32_t t1, uint32_t t2, uint32_t t3, uint32_t timeslot_nr); |
| |
| uint32_t get_t1() { |
| return d_t1; |
| } |
| |
| uint32_t get_t2() { |
| return d_t2; |
| } |
| |
| uint32_t get_t3() { |
| return d_t3; |
| } |
| |
| uint32_t get_timeslot_nr() { |
| return d_timeslot_nr; |
| } |
| |
| uint32_t get_frame_nr() { |
| return (51 * 26 * d_t1) + (51 * (((d_t3 + 26) - d_t2) % 26)) + d_t3; |
| } |
| |
| uint32_t get_frame_nr_mod() { |
| return (d_t1 << 11) + (d_t3 << 5) + d_t2; |
| } |
| |
| unsigned get_offset() { |
| return (unsigned)d_offset_integer; |
| } |
| }; |
| |
| class channel_configuration |
| { |
| private: |
| multiframe_configuration d_timeslots_descriptions[TS_PER_FRAME]; |
| public: |
| channel_configuration() { |
| for (int i = 0; i < TS_PER_FRAME; i++) { |
| d_timeslots_descriptions[i].set_type(unknown); |
| } |
| } |
| |
| void set_multiframe_type(int timeslot_nr, multiframe_type type) { |
| d_timeslots_descriptions[timeslot_nr].set_type(type); |
| } |
| |
| void set_burst_types(int timeslot_nr, const unsigned mapping[], unsigned mapping_size, burst_type b_type) { |
| unsigned i; |
| for (i = 0; i < mapping_size; i++) { |
| d_timeslots_descriptions[timeslot_nr].set_burst_type(mapping[i], b_type); |
| } |
| } |
| |
| void set_single_burst_type(int timeslot_nr, int burst_nr, burst_type b_type) { |
| d_timeslots_descriptions[timeslot_nr].set_burst_type(burst_nr, b_type); |
| } |
| |
| burst_type get_burst_type(burst_counter burst_nr); |
| }; |
| |
| #endif /* INCLUDED_GSM_RECEIVER_CONFIG_H */ |