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
29 #include <unordered_set>
37 #include "views/viewbase.hpp"
43 using std::recursive_mutex;
44 using std::shared_ptr;
46 using std::unordered_set;
92 class Session : public QObject
103 static shared_ptr<sigrok::Context> sr_context;
106 Session(DeviceManager &device_manager, QString name);
110 DeviceManager& device_manager();
112 const DeviceManager& device_manager() const;
114 shared_ptr<sigrok::Session> session() const;
116 shared_ptr<devices::Device> device() const;
118 QString name() const;
120 void set_name(QString name);
122 const list< shared_ptr<views::ViewBase> > views() const;
124 shared_ptr<views::ViewBase> main_view() const;
126 shared_ptr<pv::toolbars::MainBar> main_bar() const;
128 void set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar);
131 * Indicates whether the captured data was saved to disk already or not
133 bool data_saved() const;
135 void save_settings(QSettings &settings) const;
137 void restore_settings(QSettings &settings);
140 * Attempts to set device instance, may fall back to demo if needed
142 void select_device(shared_ptr<devices::Device> device);
145 * Sets device instance that will be used in the next capture session.
147 void set_device(shared_ptr<devices::Device> device);
149 void set_default_device();
151 void load_init_file(const string &file_name, const string &format);
153 void load_file(QString file_name,
154 shared_ptr<sigrok::InputFormat> format = nullptr,
155 const map<string, Glib::VariantBase> &options =
156 map<string, Glib::VariantBase>());
158 capture_state get_capture_state() const;
160 void start_capture(function<void (const QString)> error_handler);
164 double get_samplerate() const;
166 uint32_t get_segment_count() const;
168 void register_view(shared_ptr<views::ViewBase> view);
170 void deregister_view(shared_ptr<views::ViewBase> view);
172 bool has_view(shared_ptr<views::ViewBase> view);
174 const unordered_set< shared_ptr<data::SignalBase> > signalbases() const;
176 bool all_segments_complete(uint32_t segment_id) const;
179 shared_ptr<data::DecodeSignal> add_decode_signal();
181 void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
185 void set_capture_state(capture_state state);
187 void update_signals();
189 shared_ptr<data::SignalBase> signalbase_from_channel(
190 shared_ptr<sigrok::Channel> channel) const;
192 static map<string, Glib::VariantBase> input_format_options(
193 vector<string> user_spec,
194 map<string, shared_ptr<Option>> fmt_opts);
197 void sample_thread_proc(function<void (const QString)> error_handler);
199 void free_unused_memory();
201 void signal_new_segment();
202 void signal_segment_completed();
204 void feed_in_header();
206 void feed_in_meta(shared_ptr<sigrok::Meta> meta);
208 void feed_in_trigger();
210 void feed_in_frame_begin();
211 void feed_in_frame_end();
213 void feed_in_logic(shared_ptr<sigrok::Logic> logic);
215 void feed_in_analog(shared_ptr<sigrok::Analog> analog);
217 void data_feed_in(shared_ptr<sigrok::Device> device,
218 shared_ptr<sigrok::Packet> packet);
221 DeviceManager &device_manager_;
222 shared_ptr<devices::Device> device_;
223 QString default_name_, name_;
225 list< shared_ptr<views::ViewBase> > views_;
226 shared_ptr<pv::views::ViewBase> main_view_;
228 shared_ptr<pv::toolbars::MainBar> main_bar_;
230 mutable mutex sampling_mutex_; //!< Protects access to capture_state_.
231 capture_state capture_state_;
233 unordered_set< shared_ptr<data::SignalBase> > signalbases_;
234 unordered_set< shared_ptr<data::SignalData> > all_signal_data_;
236 mutable recursive_mutex data_mutex_;
237 shared_ptr<data::Logic> logic_data_;
238 uint64_t cur_samplerate_;
239 shared_ptr<data::LogicSegment> cur_logic_segment_;
240 map< shared_ptr<sigrok::Channel>, shared_ptr<data::AnalogSegment> >
241 cur_analog_segments_;
242 int32_t highest_segment_id_;
244 std::thread sampling_thread_;
251 void capture_state_changed(int state);
252 void device_changed();
254 void signals_changed();
258 void trigger_event(util::Timestamp location);
260 void new_segment(int new_segment_id);
261 void segment_completed(int segment_id);
263 void data_received();
265 void add_view(const QString &title, views::ViewType type,
269 void on_data_saved();
274 #endif // PULSEVIEW_PV_SESSION_HPP