Session: Use a monotonic clock to measure acquisition time.
[pulseview.git] / prop / binding / deviceoptions.cpp
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #include <stdint.h>
22
23 #include <QDebug>
24
25 #include "deviceoptions.h"
26
27 #include <pv/prop/bool.h>
28 #include <pv/prop/double.h>
29 #include <pv/prop/enum.h>
30 #include <pv/prop/int.h>
31
32 #include <libsigrok/libsigrok.hpp>
33
34 using boost::optional;
35 using std::function;
36 using std::make_pair;
37 using std::pair;
38 using std::shared_ptr;
39 using std::string;
40 using std::vector;
41
42 using sigrok::Capability;
43 using sigrok::Configurable;
44 using sigrok::ConfigKey;
45 using sigrok::Error;
46
47 namespace pv {
48 namespace prop {
49 namespace binding {
50
51 DeviceOptions::DeviceOptions(shared_ptr<sigrok::Configurable> configurable) :
52         _configurable(configurable)
53 {
54         assert(configurable);
55
56         for (auto entry : configurable->config_keys(ConfigKey::DEVICE_OPTIONS)) {
57                 auto key = entry.first;
58                 auto capabilities = entry.second;
59
60                 Glib::VariantContainerBase gvar_list;
61
62                 if (!capabilities.count(Capability::GET) ||
63                         !capabilities.count(Capability::SET))
64                         continue;
65
66                 if (capabilities.count(Capability::LIST))
67                         gvar_list = configurable->config_list(key);
68
69                 string name_str;
70                 try {
71                         name_str = key->description();
72                 } catch (Error e) {
73                         name_str = key->name();
74                 }
75
76                 const QString name = QString::fromStdString(name_str);
77
78                 const Property::Getter get = [&, key]() {
79                         return _configurable->config_get(key); };
80                 const Property::Setter set = [&, key](Glib::VariantBase value) {
81                         _configurable->config_set(key, value);
82                         config_changed();
83                 };
84
85                 switch (key->id())
86                 {
87                 case SR_CONF_SAMPLERATE:
88                         // Sample rate values are not bound because they are shown
89                         // in the SamplingBar
90                         break;
91
92                 case SR_CONF_CAPTURE_RATIO:
93                         bind_int(name, "%", pair<int64_t, int64_t>(0, 100),
94                                 get, set);
95                         break;
96
97                 case SR_CONF_PATTERN_MODE:
98                 case SR_CONF_BUFFERSIZE:
99                 case SR_CONF_TRIGGER_SOURCE:
100                 case SR_CONF_TRIGGER_SLOPE:
101                 case SR_CONF_FILTER:
102                 case SR_CONF_COUPLING:
103                 case SR_CONF_CLOCK_EDGE:
104                         bind_enum(name, gvar_list, get, set);
105                         break;
106
107                 case SR_CONF_EXTERNAL_CLOCK:
108                 case SR_CONF_RLE:
109                         bind_bool(name, get, set);
110                         break;
111
112                 case SR_CONF_TIMEBASE:
113                         bind_enum(name, gvar_list, get, set, print_timebase);
114                         break;
115
116                 case SR_CONF_VDIV:
117                         bind_enum(name, gvar_list, get, set, print_vdiv);
118                         break;
119
120                 case SR_CONF_VOLTAGE_THRESHOLD:
121                         bind_enum(name, gvar_list, get, set, print_voltage_threshold);
122                         break;
123
124                 default:
125                         break;
126                 }
127         }
128 }
129
130 void DeviceOptions::bind_bool(const QString &name,
131         Property::Getter getter, Property::Setter setter)
132 {
133         assert(_configurable);
134         _properties.push_back(shared_ptr<Property>(new Bool(
135                 name, getter, setter)));
136 }
137
138 void DeviceOptions::bind_enum(const QString &name,
139         Glib::VariantContainerBase gvar_list, Property::Getter getter,
140         Property::Setter setter, function<QString (Glib::VariantBase)> printer)
141 {
142         Glib::VariantBase gvar;
143         vector< pair<Glib::VariantBase, QString> > values;
144
145         assert(_configurable);
146
147         Glib::VariantIter iter(gvar_list);
148         while ((iter.next_value(gvar)))
149                 values.push_back(make_pair(gvar, printer(gvar)));
150
151         _properties.push_back(shared_ptr<Property>(new Enum(name, values,
152                 getter, setter)));
153 }
154
155 void DeviceOptions::bind_int(const QString &name, QString suffix,
156         optional< std::pair<int64_t, int64_t> > range,
157         Property::Getter getter, Property::Setter setter)
158 {
159         assert(_configurable);
160
161         _properties.push_back(shared_ptr<Property>(new Int(name, suffix, range,
162                 getter, setter)));
163 }
164
165 QString DeviceOptions::print_timebase(Glib::VariantBase gvar)
166 {
167         uint64_t p, q;
168         g_variant_get(gvar.gobj(), "(tt)", &p, &q);
169         return QString::fromUtf8(sr_period_string(p * q));
170 }
171
172 QString DeviceOptions::print_vdiv(Glib::VariantBase gvar)
173 {
174         uint64_t p, q;
175         g_variant_get(gvar.gobj(), "(tt)", &p, &q);
176         return QString::fromUtf8(sr_voltage_string(p, q));
177 }
178
179 QString DeviceOptions::print_voltage_threshold(Glib::VariantBase gvar)
180 {
181         gdouble lo, hi;
182         g_variant_get(gvar.gobj(), "(dd)", &lo, &hi);
183         return QString("L<%1V H>%2V").arg(lo, 0, 'f', 1).arg(hi, 0, 'f', 1);
184 }
185
186 } // binding
187 } // prop
188 } // pv
189