1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
//
// Copyright 2010 Ettus Research LLC
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <boost/test/unit_test.hpp>
#include <uhd/usrp/tune_helper.hpp>
#include <uhd/usrp/subdev_props.hpp>
#include <uhd/usrp/dsp_props.hpp>
#include <iostream>
using namespace uhd;
using namespace uhd::usrp;
/***********************************************************************
* Dummy properties objects
**********************************************************************/
class dummy_subdev : public wax::obj{
public:
dummy_subdev(bool is_quadrature, bool is_spectrum_inverted, double resolution):
_is_quadrature(is_quadrature),
_is_spectrum_inverted(is_spectrum_inverted),
_resolution(resolution)
{
/* NOP */
}
private:
void get(const wax::obj &key, wax::obj &val){
switch(key.as<subdev_prop_t>()){
case SUBDEV_PROP_QUADRATURE:
val = _is_quadrature;
return;
case SUBDEV_PROP_SPECTRUM_INVERTED:
val = _is_spectrum_inverted;
return;
case SUBDEV_PROP_FREQ:
val = _freq;
return;
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
default: UHD_THROW_PROP_GET_ERROR();
}
}
void set(const wax::obj &key, const wax::obj &val){
switch(key.as<subdev_prop_t>()){
case SUBDEV_PROP_FREQ:
_freq = _resolution*int(val.as<double>()/_resolution);
return;
default: UHD_THROW_PROP_SET_ERROR();
}
}
bool _is_quadrature, _is_spectrum_inverted;
double _freq, _resolution;
};
class dummy_dsp : public wax::obj{
public:
dummy_dsp(double codec_rate):
_codec_rate(codec_rate)
{
/* NOP */
}
private:
void get(const wax::obj &key, wax::obj &val){
switch(key.as<dsp_prop_t>()){
case DSP_PROP_CODEC_RATE:
val = _codec_rate;
return;
case DSP_PROP_FREQ_SHIFT:
val = _freq_shift;
return;
default: UHD_THROW_PROP_GET_ERROR();
}
}
void set(const wax::obj &key, const wax::obj &val){
switch(key.as<dsp_prop_t>()){
case DSP_PROP_FREQ_SHIFT:
_freq_shift = val.as<double>();
return;
default: UHD_THROW_PROP_SET_ERROR();
}
}
double _codec_rate, _freq_shift;
};
/***********************************************************************
* Tests
**********************************************************************/
static const double tolerance = 0.001;
BOOST_AUTO_TEST_CASE(test_tune_helper_rx){
dummy_subdev subdev(true, false, 1e6);
dummy_dsp dsp(100e6);
std::cout << "Testing tune helper RX automatic LO offset" << std::endl;
tune_result_t tr = tune_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 2.3451e9);
std::cout << tr.to_pp_string() << std::endl;
BOOST_CHECK_CLOSE(tr.actual_inter_freq, 2.345e9, tolerance);
BOOST_CHECK_CLOSE(tr.actual_dsp_freq, -100e3, tolerance);
}
BOOST_AUTO_TEST_CASE(test_tune_helper_tx){
dummy_subdev subdev(true, false, 1e6);
dummy_dsp dsp(100e6);
std::cout << "Testing tune helper TX automatic LO offset" << std::endl;
tune_result_t tr = tune_tx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 2.3451e9);
std::cout << tr.to_pp_string() << std::endl;
BOOST_CHECK_CLOSE(tr.actual_inter_freq, 2.345e9, tolerance);
BOOST_CHECK_CLOSE(tr.actual_dsp_freq, 100e3, tolerance);
}
|
