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>
33 // Windows: Avoid boost/thread namespace pollution (which includes windows.h).
37 #include <boost/thread/shared_mutex.hpp>
44 #include "views/viewbase.hpp"
50 using std::recursive_mutex;
51 using std::shared_ptr;
53 using std::unordered_set;
95 class Session : public QObject
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 void register_view(shared_ptr<views::ViewBase> view);
169 void deregister_view(shared_ptr<views::ViewBase> view);
171 bool has_view(shared_ptr<views::ViewBase> view);
173 const unordered_set< shared_ptr<data::SignalBase> >
177 bool add_decoder(srd_decoder *const dec);
179 void remove_decode_signal(shared_ptr<data::SignalBase> signalbase);
183 void set_capture_state(capture_state state);
185 void update_signals();
187 shared_ptr<data::SignalBase> signalbase_from_channel(
188 shared_ptr<sigrok::Channel> channel) const;
191 void sample_thread_proc(function<void (const QString)> error_handler);
193 void free_unused_memory();
195 void feed_in_header();
197 void feed_in_meta(shared_ptr<sigrok::Meta> meta);
199 void feed_in_trigger();
201 void feed_in_frame_begin();
203 void feed_in_logic(shared_ptr<sigrok::Logic> logic);
205 void feed_in_analog(shared_ptr<sigrok::Analog> analog);
207 void data_feed_in(shared_ptr<sigrok::Device> device,
208 shared_ptr<sigrok::Packet> packet);
211 DeviceManager &device_manager_;
212 shared_ptr<devices::Device> device_;
213 QString default_name_, name_;
215 list< shared_ptr<views::ViewBase> > views_;
216 shared_ptr<pv::views::ViewBase> main_view_;
218 shared_ptr<pv::toolbars::MainBar> main_bar_;
220 mutable mutex sampling_mutex_; //!< Protects access to capture_state_.
221 capture_state capture_state_;
223 unordered_set< shared_ptr<data::SignalBase> > signalbases_;
224 unordered_set< shared_ptr<data::SignalData> > all_signal_data_;
226 mutable recursive_mutex data_mutex_;
227 shared_ptr<data::Logic> logic_data_;
228 uint64_t cur_samplerate_;
229 shared_ptr<data::LogicSegment> cur_logic_segment_;
230 map< shared_ptr<sigrok::Channel>, shared_ptr<data::AnalogSegment> >
231 cur_analog_segments_;
233 std::thread sampling_thread_;
239 void capture_state_changed(int state);
240 void device_changed();
242 void signals_changed();
246 void trigger_event(util::Timestamp location);
250 void data_received();
254 void add_view(const QString &title, views::ViewType type,
258 void on_data_saved();
263 #endif // PULSEVIEW_PV_SESSION_HPP