GNU Radio's GSM Package
receiver_config.h
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1 /* -*- c++ -*- */
2 /*
3  * @file
4  * @author 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  d_offset_integer = 0;
94  d_offset_fractional = 0;
95  }
96 
98  void set(uint32_t t1, uint32_t t2, uint32_t t3, uint32_t timeslot_nr);
99 
100  uint32_t get_t1() {
101  return d_t1;
102  }
103 
104  uint32_t get_t2() {
105  return d_t2;
106  }
107 
108  uint32_t get_t3() {
109  return d_t3;
110  }
111 
112  uint32_t get_timeslot_nr() {
113  return d_timeslot_nr;
114  }
115 
116  uint32_t get_frame_nr() {
117  return (51 * 26 * d_t1) + (51 * (((d_t3 + 26) - d_t2) % 26)) + d_t3;
118  }
119 
120  uint32_t get_frame_nr_mod() {
121  return (d_t1 << 11) + (d_t3 << 5) + d_t2;
122  }
123 
124  unsigned get_offset() {
125  return (unsigned)d_offset_integer;
126  }
127 };
128 
130 {
131  private:
132  multiframe_configuration d_timeslots_descriptions[TS_PER_FRAME];
133  public:
135  for (int i = 0; i < TS_PER_FRAME; i++) {
136  d_timeslots_descriptions[i].set_type(unknown);
137  }
138  }
139 
140  void set_multiframe_type(int timeslot_nr, multiframe_type type) {
141  d_timeslots_descriptions[timeslot_nr].set_type(type);
142  }
143 
144  void set_burst_types(int timeslot_nr, const unsigned mapping[], unsigned mapping_size, burst_type b_type) {
145  unsigned i;
146  for (i = 0; i < mapping_size; i++) {
147  d_timeslots_descriptions[timeslot_nr].set_burst_type(mapping[i], b_type);
148  }
149  }
150 
151  void set_single_burst_type(int timeslot_nr, int burst_nr, burst_type b_type) {
152  d_timeslots_descriptions[timeslot_nr].set_burst_type(burst_nr, b_type);
153  }
154 
156 };
157 
158 #endif /* INCLUDED_GSM_RECEIVER_CONFIG_H */
uint32_t get_t2()
Definition: receiver_config.h:104
uint32_t get_t3()
Definition: receiver_config.h:108
burst_counter(int osr)
Definition: receiver_config.h:75
void set_multiframe_type(int timeslot_nr, multiframe_type type)
Definition: receiver_config.h:140
burst_counter & operator++(int)
Definition: receiver_config.h:129
Definition: gsm_constants.h:63
void set_single_burst_type(int timeslot_nr, int burst_nr, burst_type b_type)
Definition: receiver_config.h:151
uint32_t get_frame_nr()
Definition: receiver_config.h:116
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:112
void set_burst_types(int timeslot_nr, const unsigned mapping[], unsigned mapping_size, burst_type b_type)
Definition: receiver_config.h:144
unsigned get_offset()
Definition: receiver_config.h:124
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:134
burst_type get_burst_type(int nr)
Definition: receiver_config.h:62
uint32_t get_t1()
Definition: receiver_config.h:100
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
burst_type get_burst_type(burst_counter burst_nr)
uint32_t get_frame_nr_mod()
Definition: receiver_config.h:120
Definition: receiver_config.h:67
void set(uint32_t t1, uint32_t t2, uint32_t t3, uint32_t timeslot_nr)
Definition: gsm_constants.h:63
void set_type(multiframe_type type)
Definition: receiver_config.h:44