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
|
//
// 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/gain_handler.hpp>
#include <uhd/dict.hpp>
#include <iostream>
using namespace uhd;
enum prop_t{
PROP_GAIN,
PROP_GAIN_MIN,
PROP_GAIN_MAX,
PROP_GAIN_STEP,
PROP_GAIN_NAMES
};
class gainful_obj : public wax::obj{
public:
gainful_obj(void){
_gain_handler = gain_handler::sptr(new gain_handler(
this, PROP_GAIN, PROP_GAIN_MIN, PROP_GAIN_MAX, PROP_GAIN_STEP, PROP_GAIN_NAMES
));
_gains["g0"] = 0;
_gains["g1"] = 0;
_gains_min["g0"] = -10;
_gains_min["g1"] = 0;
_gains_max["g0"] = 0;
_gains_max["g1"] = 100;
_gains_step["g0"] = .1;
_gains_step["g1"] = 1.5;
}
~gainful_obj(void){}
private:
void get(const wax::obj &key_, wax::obj &val){
if (_gain_handler->intercept_get(key_, val)) return;
wax::obj key; std::string name;
boost::tie(key, name) = extract_named_prop(key_);
//handle the get request conditioned on the key
switch(wax::cast<prop_t>(key)){
case PROP_GAIN:
val = _gains[name];
return;
case PROP_GAIN_MIN:
val = _gains_min[name];
return;
case PROP_GAIN_MAX:
val = _gains_max[name];
return;
case PROP_GAIN_STEP:
val = _gains_step[name];
return;
case PROP_GAIN_NAMES:
val = prop_names_t(_gains.get_keys());
return;
}
}
void set(const wax::obj &key_, const wax::obj &val){
if (_gain_handler->intercept_set(key_, val)) return;
wax::obj key; std::string name;
boost::tie(key, name) = extract_named_prop(key_);
//handle the get request conditioned on the key
switch(wax::cast<prop_t>(key)){
case PROP_GAIN:
_gains[name] = wax::cast<gain_t>(val);
return;
case PROP_GAIN_MIN:
case PROP_GAIN_MAX:
case PROP_GAIN_STEP:
case PROP_GAIN_NAMES:
throw std::runtime_error("cannot set this property");
}
}
gain_handler::sptr _gain_handler;
uhd::dict<std::string, gain_t> _gains;
uhd::dict<std::string, gain_t> _gains_min;
uhd::dict<std::string, gain_t> _gains_max;
uhd::dict<std::string, gain_t> _gains_step;
};
BOOST_AUTO_TEST_CASE(test_gain_handler){
std::cout << "Testing the gain handler..." << std::endl;
gainful_obj go0;
BOOST_CHECK_THROW(
wax::cast<gain_t>(go0[named_prop_t(PROP_GAIN, "fail")]),
std::invalid_argument
);
std::cout << "verifying the overall min, max, step" << std::endl;
BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN_MIN]), gain_t(-10));
BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN_MAX]), gain_t(100));
BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN_STEP]), gain_t(1.5));
std::cout << "verifying the overall gain" << std::endl;
go0[named_prop_t(PROP_GAIN, "g0")] = gain_t(-5);
go0[named_prop_t(PROP_GAIN, "g1")] = gain_t(30);
BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN]), gain_t(25));
}
|
