]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012-14 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 | #ifndef PULSEVIEW_PV_SESSION_HPP | |
21 | #define PULSEVIEW_PV_SESSION_HPP | |
22 | ||
23 | #include <map> | |
24 | #include <memory> | |
25 | #include <mutex> | |
26 | #include <set> | |
27 | #include <string> | |
28 | #include <thread> | |
29 | #include <unordered_set> | |
30 | #include <vector> | |
31 | ||
32 | #ifdef _WIN32 | |
33 | // Windows: Avoid boost/thread namespace pollution (which includes windows.h). | |
34 | #define NOGDI | |
35 | #define NORESOURCE | |
36 | #endif | |
37 | #include <boost/thread/shared_mutex.hpp> | |
38 | ||
39 | #include <QObject> | |
40 | #include <QSettings> | |
41 | #include <QString> | |
42 | ||
43 | #include "util.hpp" | |
44 | #include "views/viewbase.hpp" | |
45 | ||
46 | struct srd_decoder; | |
47 | struct srd_channel; | |
48 | ||
49 | namespace sigrok { | |
50 | class Analog; | |
51 | class Channel; | |
52 | class Device; | |
53 | class InputFormat; | |
54 | class Logic; | |
55 | class Meta; | |
56 | class OutputFormat; | |
57 | class Packet; | |
58 | class Session; | |
59 | } | |
60 | ||
61 | namespace pv { | |
62 | ||
63 | class DeviceManager; | |
64 | ||
65 | namespace data { | |
66 | class Analog; | |
67 | class AnalogSegment; | |
68 | class Logic; | |
69 | class LogicSegment; | |
70 | class SignalBase; | |
71 | class SignalData; | |
72 | } | |
73 | ||
74 | namespace devices { | |
75 | class Device; | |
76 | } | |
77 | ||
78 | namespace toolbars { | |
79 | class MainBar; | |
80 | } | |
81 | ||
82 | namespace views { | |
83 | class ViewBase; | |
84 | } | |
85 | ||
86 | class Session : public QObject | |
87 | { | |
88 | Q_OBJECT | |
89 | ||
90 | public: | |
91 | enum capture_state { | |
92 | Stopped, | |
93 | AwaitingTrigger, | |
94 | Running | |
95 | }; | |
96 | ||
97 | public: | |
98 | Session(DeviceManager &device_manager, QString name); | |
99 | ||
100 | ~Session(); | |
101 | ||
102 | DeviceManager& device_manager(); | |
103 | ||
104 | const DeviceManager& device_manager() const; | |
105 | ||
106 | std::shared_ptr<sigrok::Session> session() const; | |
107 | ||
108 | std::shared_ptr<devices::Device> device() const; | |
109 | ||
110 | QString name() const; | |
111 | ||
112 | void set_name(QString name); | |
113 | ||
114 | const std::list< std::shared_ptr<views::ViewBase> > views() const; | |
115 | ||
116 | std::shared_ptr<views::ViewBase> main_view() const; | |
117 | ||
118 | std::shared_ptr<pv::toolbars::MainBar> main_bar() const; | |
119 | ||
120 | void set_main_bar(std::shared_ptr<pv::toolbars::MainBar> main_bar); | |
121 | ||
122 | /** | |
123 | * Indicates whether the captured data was saved to disk already or not | |
124 | */ | |
125 | bool data_saved() const; | |
126 | ||
127 | void save_settings(QSettings &settings) const; | |
128 | ||
129 | void restore_settings(QSettings &settings); | |
130 | ||
131 | /** | |
132 | * Attempts to set device instance, may fall back to demo if needed | |
133 | */ | |
134 | void select_device(std::shared_ptr<devices::Device> device); | |
135 | ||
136 | /** | |
137 | * Sets device instance that will be used in the next capture session. | |
138 | */ | |
139 | void set_device(std::shared_ptr<devices::Device> device); | |
140 | ||
141 | void set_default_device(); | |
142 | ||
143 | void load_init_file(const std::string &file_name, | |
144 | const std::string &format); | |
145 | ||
146 | void load_file(QString file_name, | |
147 | std::shared_ptr<sigrok::InputFormat> format = nullptr, | |
148 | const std::map<std::string, Glib::VariantBase> &options = | |
149 | std::map<std::string, Glib::VariantBase>()); | |
150 | ||
151 | capture_state get_capture_state() const; | |
152 | ||
153 | void start_capture(std::function<void (const QString)> error_handler); | |
154 | ||
155 | void stop_capture(); | |
156 | ||
157 | double get_samplerate() const; | |
158 | ||
159 | void register_view(std::shared_ptr<views::ViewBase> view); | |
160 | ||
161 | void deregister_view(std::shared_ptr<views::ViewBase> view); | |
162 | ||
163 | bool has_view(std::shared_ptr<views::ViewBase> view); | |
164 | ||
165 | const std::unordered_set< std::shared_ptr<data::SignalBase> > | |
166 | signalbases() const; | |
167 | ||
168 | #ifdef ENABLE_DECODE | |
169 | bool add_decoder(srd_decoder *const dec); | |
170 | ||
171 | void remove_decode_signal(std::shared_ptr<data::SignalBase> signalbase); | |
172 | #endif | |
173 | ||
174 | private: | |
175 | void set_capture_state(capture_state state); | |
176 | ||
177 | void update_signals(); | |
178 | ||
179 | std::shared_ptr<data::SignalBase> signalbase_from_channel( | |
180 | std::shared_ptr<sigrok::Channel> channel) const; | |
181 | ||
182 | private: | |
183 | void sample_thread_proc(std::function<void (const QString)> error_handler); | |
184 | ||
185 | void feed_in_header(); | |
186 | ||
187 | void feed_in_meta(std::shared_ptr<sigrok::Meta> meta); | |
188 | ||
189 | void feed_in_trigger(); | |
190 | ||
191 | void feed_in_frame_begin(); | |
192 | ||
193 | void feed_in_logic(std::shared_ptr<sigrok::Logic> logic); | |
194 | ||
195 | void feed_in_analog(std::shared_ptr<sigrok::Analog> analog); | |
196 | ||
197 | void data_feed_in(std::shared_ptr<sigrok::Device> device, | |
198 | std::shared_ptr<sigrok::Packet> packet); | |
199 | ||
200 | private: | |
201 | DeviceManager &device_manager_; | |
202 | std::shared_ptr<devices::Device> device_; | |
203 | QString default_name_, name_; | |
204 | ||
205 | std::list< std::shared_ptr<views::ViewBase> > views_; | |
206 | std::shared_ptr<pv::views::ViewBase> main_view_; | |
207 | ||
208 | std::shared_ptr<pv::toolbars::MainBar> main_bar_; | |
209 | ||
210 | mutable std::mutex sampling_mutex_; //!< Protects access to capture_state_. | |
211 | capture_state capture_state_; | |
212 | ||
213 | std::unordered_set< std::shared_ptr<data::SignalBase> > signalbases_; | |
214 | std::unordered_set< std::shared_ptr<data::SignalData> > all_signal_data_; | |
215 | ||
216 | mutable std::recursive_mutex data_mutex_; | |
217 | std::shared_ptr<data::Logic> logic_data_; | |
218 | uint64_t cur_samplerate_; | |
219 | std::shared_ptr<data::LogicSegment> cur_logic_segment_; | |
220 | std::map< std::shared_ptr<sigrok::Channel>, std::shared_ptr<data::AnalogSegment> > | |
221 | cur_analog_segments_; | |
222 | ||
223 | std::thread sampling_thread_; | |
224 | ||
225 | bool out_of_memory_; | |
226 | bool data_saved_; | |
227 | ||
228 | Q_SIGNALS: | |
229 | void capture_state_changed(int state); | |
230 | void device_changed(); | |
231 | ||
232 | void signals_changed(); | |
233 | ||
234 | void name_changed(); | |
235 | ||
236 | void trigger_event(util::Timestamp location); | |
237 | ||
238 | void frame_began(); | |
239 | ||
240 | void data_received(); | |
241 | ||
242 | void frame_ended(); | |
243 | ||
244 | void add_view(const QString &title, views::ViewType type, | |
245 | Session *session); | |
246 | ||
247 | public Q_SLOTS: | |
248 | void on_data_saved(); | |
249 | }; | |
250 | ||
251 | } // namespace pv | |
252 | ||
253 | #endif // PULSEVIEW_PV_SESSION_HPP |