Increase session saving chunk size for much better performance.
[pulseview.git] / pv / binding / device.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, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include <cstdint>
21
22 #include <QDebug>
23
24 #include "device.hpp"
25
26 #include <pv/prop/bool.hpp>
27 #include <pv/prop/double.hpp>
28 #include <pv/prop/enum.hpp>
29 #include <pv/prop/int.hpp>
30
31 #include <libsigrokcxx/libsigrokcxx.hpp>
32
33 using boost::optional;
34 using std::function;
35 using std::make_pair;
36 using std::pair;
37 using std::shared_ptr;
38 using std::string;
39 using std::vector;
40
41 using sigrok::Capability;
42 using sigrok::Configurable;
43 using sigrok::ConfigKey;
44 using sigrok::Error;
45
46 using pv::prop::Bool;
47 using pv::prop::Double;
48 using pv::prop::Enum;
49 using pv::prop::Int;
50 using pv::prop::Property;
51
52 namespace pv {
53 namespace binding {
54
55 Device::Device(shared_ptr<sigrok::Configurable> configurable) :
56         configurable_(configurable)
57 {
58
59         auto keys = configurable->config_keys();
60
61         for (auto key : keys) {
62
63                 auto capabilities = configurable->config_capabilities(key);
64
65                 if (!capabilities.count(Capability::GET) ||
66                         !capabilities.count(Capability::SET))
67                         continue;
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                 case SR_CONF_SAMPLERATE:
87                         // Sample rate values are not bound because they are shown
88                         // in the MainBar
89                         break;
90
91                 case SR_CONF_CAPTURE_RATIO:
92                         bind_int(name, "%", pair<int64_t, int64_t>(0, 100),
93                                 get, set);
94                         break;
95
96                 case SR_CONF_PATTERN_MODE:
97                 case SR_CONF_BUFFERSIZE:
98                 case SR_CONF_TRIGGER_SOURCE:
99                 case SR_CONF_TRIGGER_SLOPE:
100                 case SR_CONF_COUPLING:
101                 case SR_CONF_CLOCK_EDGE:
102                         bind_enum(name, key, capabilities, get, set);
103                         break;
104
105                 case SR_CONF_FILTER:
106                 case SR_CONF_EXTERNAL_CLOCK:
107                 case SR_CONF_RLE:
108                 case SR_CONF_POWER_OFF:
109                         bind_bool(name, get, set);
110                         break;
111
112                 case SR_CONF_TIMEBASE:
113                         bind_enum(name, key, capabilities, get, set, print_timebase);
114                         break;
115
116                 case SR_CONF_VDIV:
117                         bind_enum(name, key, capabilities, get, set, print_vdiv);
118                         break;
119
120                 case SR_CONF_VOLTAGE_THRESHOLD:
121                         bind_enum(name, key, capabilities, get, set, print_voltage_threshold);
122                         break;
123
124                 case SR_CONF_PROBE_FACTOR:
125                         if (capabilities.count(Capability::LIST))
126                                 bind_enum(name, key, capabilities, get, set, print_probe_factor);
127                         else
128                                 bind_int(name, "", pair<int64_t, int64_t>(1, 500), get, set);
129                         break;
130
131                 default:
132                         break;
133                 }
134         }
135 }
136
137 void Device::bind_bool(const QString &name,
138         Property::Getter getter, Property::Setter setter)
139 {
140         assert(configurable_);
141         properties_.push_back(shared_ptr<Property>(new Bool(
142                 name, getter, setter)));
143 }
144
145 void Device::bind_enum(const QString &name,
146         const ConfigKey *key, std::set<const Capability *> capabilities,
147         Property::Getter getter,
148         Property::Setter setter, function<QString (Glib::VariantBase)> printer)
149 {
150         Glib::VariantBase gvar;
151         vector< pair<Glib::VariantBase, QString> > values;
152
153         assert(configurable_);
154
155         if (!capabilities.count(Capability::LIST))
156                 return;
157
158         Glib::VariantIter iter(configurable_->config_list(key));
159         while ((iter.next_value(gvar)))
160                 values.push_back(make_pair(gvar, printer(gvar)));
161
162         properties_.push_back(shared_ptr<Property>(new Enum(name, values,
163                 getter, setter)));
164 }
165
166 void Device::bind_int(const QString &name, QString suffix,
167         optional< std::pair<int64_t, int64_t> > range,
168         Property::Getter getter, Property::Setter setter)
169 {
170         assert(configurable_);
171
172         properties_.push_back(shared_ptr<Property>(new Int(name, suffix, range,
173                 getter, setter)));
174 }
175
176 QString Device::print_timebase(Glib::VariantBase gvar)
177 {
178         uint64_t p, q;
179         g_variant_get(gvar.gobj(), "(tt)", &p, &q);
180         return QString::fromUtf8(sr_period_string(p, q));
181 }
182
183 QString Device::print_vdiv(Glib::VariantBase gvar)
184 {
185         uint64_t p, q;
186         g_variant_get(gvar.gobj(), "(tt)", &p, &q);
187         return QString::fromUtf8(sr_voltage_string(p, q));
188 }
189
190 QString Device::print_voltage_threshold(Glib::VariantBase gvar)
191 {
192         gdouble lo, hi;
193         g_variant_get(gvar.gobj(), "(dd)", &lo, &hi);
194         return QString("L<%1V H>%2V").arg(lo, 0, 'f', 1).arg(hi, 0, 'f', 1);
195 }
196
197 QString Device::print_probe_factor(Glib::VariantBase gvar)
198 {
199         uint64_t factor;
200         factor = g_variant_get_uint64(gvar.gobj());
201         return QString("%1x").arg(factor);
202 }
203
204 } // binding
205 } // pv