GNU Radio's LIMESDR Package
source_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2019 Lime Microsystems <info@limemicro.com>
4  *
5  * This is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3, or (at your option)
8  * any later version.
9  *
10  * This software is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this software; see the file COPYING. If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef INCLUDED_LIMESDR_SOURCE_IMPL_H
22 #define INCLUDED_LIMESDR_SOURCE_IMPL_H
23 
24 #include <limesdr/source.h>
25 
26 #include "device_handler.h"
27 
28 static const pmt::pmt_t TIME_TAG = pmt::string_to_symbol("rx_time");
29 
30 namespace gr {
31 namespace limesdr {
32 
33 class source_impl : public source
34 {
35 private:
36  lms_stream_t streamId[2];
37 
38  bool stream_analyzer = false;
39 
40  int source_block = 1;
41 
42  bool add_tag = false;
43  uint32_t pktLoss = 0;
44 
45  struct constant_data {
46  std::string serial;
47  int device_number;
48  int channel_mode;
49  double samp_rate = 10e6;
50  uint32_t FIFO_size = 0;
51  } stored;
52 
53  std::chrono::high_resolution_clock::time_point t1, t2;
54 
55  void print_stream_stats(lms_stream_status_t status);
56 
57  void add_time_tag(int channel, lms_stream_meta_t meta);
58 
59 public:
60  source_impl(std::string serial, int channel_mode, const std::string& filename);
61  ~source_impl();
62 
63  bool start(void);
64 
65  bool stop(void);
66 
67  // Where all the action really happens
68  int work(int noutput_items,
69  gr_vector_const_void_star& input_items,
70  gr_vector_void_star& output_items);
71 
72  inline gr::io_signature::sptr args_to_io_signature(int channel_mode);
73 
74  void init_stream(int device_number, int channel);
75  void release_stream(int device_number, lms_stream_t* stream);
76 
77  double set_center_freq(double freq, size_t chan = 0);
78 
79  void set_antenna(int antenna, int channel = 0);
80 
81  void set_nco(float nco_freq, int channel = 0);
82 
83  double set_bandwidth(double analog_bandw, int channel = 0);
84 
85  void set_digital_filter(double digital_bandw, int channel = 0);
86 
87  unsigned set_gain(unsigned gain_dB, int channel = 0);
88 
89  double set_sample_rate(double rate);
90 
91  void set_oversampling(int oversample);
92 
93  void set_buffer_size(uint32_t size);
94 
95  void calibrate(double bandw, int channel = 0);
96 
97  void set_tcxo_dac(uint16_t dacVal = 125);
98 };
99 
100 } // namespace limesdr
101 } // namespace gr
102 
103 #endif /* INCLUDED_LIMESDR_SOURCE_IMPL_H */
void release_stream(int device_number, lms_stream_t *stream)
void set_digital_filter(double digital_bandw, int channel=0)
double set_center_freq(double freq, size_t chan=0)
void set_antenna(int antenna, int channel=0)
void init_stream(int device_number, int channel)
gr::io_signature::sptr args_to_io_signature(int channel_mode)
source_impl(std::string serial, int channel_mode, const std::string &filename)
double set_sample_rate(double rate)
unsigned set_gain(unsigned gain_dB, int channel=0)
Definition: sink.h:27
void set_oversampling(int oversample)
<+description of block+>
Definition: source.h:35
void set_nco(float nco_freq, int channel=0)
double set_bandwidth(double analog_bandw, int channel=0)
Definition: source_impl.h:33
void set_tcxo_dac(uint16_t dacVal=125)
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
void set_buffer_size(uint32_t size)
static const pmt::pmt_t TIME_TAG
Definition: source_impl.h:28
void calibrate(double bandw, int channel=0)