GNU Radio's GSM Package
receiver_config.h
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1 /* -*- c++ -*- */
2 /*
3  * @file
4  * @author (C) 2009-2017 by Piotr Krysik <ptrkrysik@gmail.com>
5  * @section LICENSE
6  *
7  * Gr-gsm is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * Gr-gsm is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with gr-gsm; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 #ifndef INCLUDED_GSM_RECEIVER_CONFIG_H
23 #define INCLUDED_GSM_RECEIVER_CONFIG_H
24 
25 #include <vector>
26 #include <algorithm>
27 #include <math.h>
28 #include <stdint.h>
29 #include <gsm_constants.h>
30 
32 {
33  private:
34  multiframe_type d_type;
35  std::vector<burst_type> d_burst_types;
36  public:
38  d_type = unknown;
39  fill(d_burst_types.begin(), d_burst_types.end(), empty);
40  }
41 
43 
45  if (type == multiframe_26) {
46  d_burst_types.resize(26);
47  } else {
48  d_burst_types.resize(51);
49  }
50 
51  d_type = type;
52  }
53 
54  void set_burst_type(int nr, burst_type type) {
55  d_burst_types[nr] = type;
56  }
57 
59  return d_type;
60  }
61 
63  return d_burst_types[nr];
64  }
65 };
66 
68 {
69  private:
70  const int d_OSR;
71  uint32_t d_t1, d_t2, d_t3, d_timeslot_nr;
72  double d_offset_fractional;
73  double d_offset_integer;
74  public:
75  burst_counter(int osr):
76  d_OSR(osr),
77  d_t1(0),
78  d_t2(0),
79  d_t3(0),
80  d_timeslot_nr(0),
81  d_offset_fractional(0.0),
82  d_offset_integer(0.0) {
83  }
84 
85  burst_counter(int osr, uint32_t t1, uint32_t t2, uint32_t t3, uint32_t timeslot_nr):
86  d_OSR(osr),
87  d_t1(t1),
88  d_t2(t2),
89  d_t3(t3),
90  d_timeslot_nr(timeslot_nr),
91  d_offset_fractional(0.0),
92  d_offset_integer(0.0)
93  {
94  d_offset_integer = 0;
95  d_offset_fractional = 0;
96  }
97 
98  burst_counter & operator++(int);
99  burst_counter subtract_timeslots(unsigned int number_of_timeslots);
100  void set(uint32_t t1, uint32_t t2, uint32_t t3, uint32_t timeslot_nr);
101 
102  uint32_t get_t1() {
103  return d_t1;
104  }
105 
106  uint32_t get_t2() {
107  return d_t2;
108  }
109 
110  uint32_t get_t3() {
111  return d_t3;
112  }
113 
114  uint32_t get_timeslot_nr() {
115  return d_timeslot_nr;
116  }
117 
118  uint32_t get_frame_nr() {
119  return (51 * 26 * d_t1) + (51 * (((d_t3 + 26) - d_t2) % 26)) + d_t3;
120  }
121 
122  uint32_t get_frame_nr_mod() {
123  return (d_t1 << 11) + (d_t3 << 5) + d_t2;
124  }
125 
126  unsigned get_offset() {
127  return (unsigned)d_offset_integer;
128  }
129 };
130 
132 {
133  private:
134  multiframe_configuration d_timeslots_descriptions[TS_PER_FRAME];
135  public:
137  for (int i = 0; i < TS_PER_FRAME; i++) {
138  d_timeslots_descriptions[i].set_type(unknown);
139  }
140  }
141 
142  void set_multiframe_type(int timeslot_nr, multiframe_type type) {
143  d_timeslots_descriptions[timeslot_nr].set_type(type);
144  }
145 
146  void set_burst_types(int timeslot_nr, const unsigned mapping[], unsigned mapping_size, burst_type b_type) {
147  unsigned i;
148  for (i = 0; i < mapping_size; i++) {
149  d_timeslots_descriptions[timeslot_nr].set_burst_type(mapping[i], b_type);
150  }
151  }
152 
153  void set_single_burst_type(int timeslot_nr, int burst_nr, burst_type b_type) {
154  d_timeslots_descriptions[timeslot_nr].set_burst_type(burst_nr, b_type);
155  }
156 
158 };
159 
160 #endif /* INCLUDED_GSM_RECEIVER_CONFIG_H */
uint32_t get_t2()
Definition: receiver_config.h:106
uint32_t get_t3()
Definition: receiver_config.h:110
burst_counter(int osr)
Definition: receiver_config.h:75
void set_multiframe_type(int timeslot_nr, multiframe_type type)
Definition: receiver_config.h:142
Definition: receiver_config.h:131
Definition: gsm_constants.h:63
void set_single_burst_type(int timeslot_nr, int burst_nr, burst_type b_type)
Definition: receiver_config.h:153
uint32_t get_frame_nr()
Definition: receiver_config.h:118
burst_counter(int osr, uint32_t t1, uint32_t t2, uint32_t t3, uint32_t timeslot_nr)
Definition: receiver_config.h:85
Definition: receiver_config.h:31
uint32_t get_timeslot_nr()
Definition: receiver_config.h:114
void set_burst_types(int timeslot_nr, const unsigned mapping[], unsigned mapping_size, burst_type b_type)
Definition: receiver_config.h:146
unsigned get_offset()
Definition: receiver_config.h:126
burst_type
Definition: gsm_constants.h:62
~multiframe_configuration()
Definition: receiver_config.h:42
multiframe_type get_type()
Definition: receiver_config.h:58
#define TS_PER_FRAME
Definition: gsm_constants.h:45
channel_configuration()
Definition: receiver_config.h:136
burst_type get_burst_type(int nr)
Definition: receiver_config.h:62
uint32_t get_t1()
Definition: receiver_config.h:102
Definition: gsm_constants.h:62
multiframe_configuration()
Definition: receiver_config.h:37
multiframe_type
Definition: gsm_constants.h:63
uint8_t type
Definition: gsmtap.h:54
void set_burst_type(int nr, burst_type type)
Definition: receiver_config.h:54
uint32_t get_frame_nr_mod()
Definition: receiver_config.h:122
Definition: receiver_config.h:67
Definition: gsm_constants.h:63
void set_type(multiframe_type type)
Definition: receiver_config.h:44