2 * This file is part of the PulseView project.
4 * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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/>.
20 #ifndef PULSEVIEW_PV_SESSION_HPP
21 #define PULSEVIEW_PV_SESSION_HPP
30 #include <unordered_set>
38 #include "views/viewbase.hpp"
44 using std::recursive_mutex;
45 using std::shared_ptr;
47 using std::unordered_set;
93 class Session : public QObject
104 static shared_ptr<sigrok::Context> sr_context;
107 Session(DeviceManager &device_manager, QString name);
111 DeviceManager& device_manager();
113 const DeviceManager& device_manager() const;
115 shared_ptr<sigrok::Session> session() const;
117 shared_ptr<devices::Device> device() const;
119 QString name() const;
121 void set_name(QString name);
123 const list< shared_ptr<views::ViewBase> > views() const;
125 shared_ptr<views::ViewBase> main_view() const;
127 shared_ptr<pv::toolbars::MainBar> main_bar() const;
129 void set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar);
132 * Indicates whether the captured data was saved to disk already or not
134 bool data_saved() const;
136 void save_settings(QSettings &settings) const;
138 void restore_settings(QSettings &settings);
141 * Attempts to set device instance, may fall back to demo if needed
143 void select_device(shared_ptr<devices::Device> device);
146 * Sets device instance that will be used in the next capture session.
148 void set_device(shared_ptr<devices::Device> device);
150 void set_default_device();
152 void load_init_file(const string &file_name, const string &format);
154 void load_file(QString file_name,
155 shared_ptr<sigrok::InputFormat> format = nullptr,
156 const map<string, Glib::VariantBase> &options =
157 map<string, Glib::VariantBase>());
159 capture_state get_capture_state() const;
161 void start_capture(function<void (const QString)> error_handler);
165 double get_samplerate() const;
167 uint32_t get_segment_count() const;
169 vector<util::Timestamp> get_triggers(uint32_t segment_id) const;
171 void register_view(shared_ptr<views::ViewBase> view);
173 void deregister_view(shared_ptr<views::ViewBase> view);
175 bool has_view(shared_ptr<views::ViewBase> view);
177 const unordered_set< shared_ptr<data::SignalBase> > signalbases() const;
179 bool all_segments_complete(uint32_t segment_id) const;
182 shared_ptr<data::DecodeSignal> add_decode_signal();
184 void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
188 void set_capture_state(capture_state state);
190 void update_signals();
192 shared_ptr<data::SignalBase> signalbase_from_channel(
193 shared_ptr<sigrok::Channel> channel) const;
195 static map<string, Glib::VariantBase> input_format_options(
196 vector<string> user_spec,
197 map<string, shared_ptr<Option>> fmt_opts);
199 void sample_thread_proc(function<void (const QString)> error_handler);
201 void free_unused_memory();
203 void signal_new_segment();
204 void signal_segment_completed();
206 void feed_in_header();
208 void feed_in_meta(shared_ptr<sigrok::Meta> meta);
210 void feed_in_trigger();
212 void feed_in_frame_begin();
213 void feed_in_frame_end();
215 void feed_in_logic(shared_ptr<sigrok::Logic> logic);
217 void feed_in_analog(shared_ptr<sigrok::Analog> analog);
219 void data_feed_in(shared_ptr<sigrok::Device> device,
220 shared_ptr<sigrok::Packet> packet);
223 void capture_state_changed(int state);
224 void device_changed();
226 void signals_changed();
230 void trigger_event(int segment_id, util::Timestamp location);
232 void new_segment(int new_segment_id);
233 void segment_completed(int segment_id);
235 void data_received();
237 void add_view(const QString &title, views::ViewType type,
241 void on_data_saved();
244 DeviceManager &device_manager_;
245 shared_ptr<devices::Device> device_;
246 QString default_name_, name_;
248 list< shared_ptr<views::ViewBase> > views_;
249 shared_ptr<pv::views::ViewBase> main_view_;
251 shared_ptr<pv::toolbars::MainBar> main_bar_;
253 mutable mutex sampling_mutex_; //!< Protects access to capture_state_.
254 capture_state capture_state_;
256 unordered_set< shared_ptr<data::SignalBase> > signalbases_;
257 unordered_set< shared_ptr<data::SignalData> > all_signal_data_;
259 /// trigger_list_ contains pairs of <segment_id, timestamp> values.
260 vector< std::pair<uint32_t, util::Timestamp> > trigger_list_;
262 mutable recursive_mutex data_mutex_;
263 shared_ptr<data::Logic> logic_data_;
264 uint64_t cur_samplerate_;
265 shared_ptr<data::LogicSegment> cur_logic_segment_;
266 map< shared_ptr<sigrok::Channel>, shared_ptr<data::AnalogSegment> >
267 cur_analog_segments_;
268 int32_t highest_segment_id_;
270 std::thread sampling_thread_;
279 #endif // PULSEVIEW_PV_SESSION_HPP