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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef PULSEVIEW_PV_SESSION_HPP
22 #define PULSEVIEW_PV_SESSION_HPP
30 #include <unordered_set>
34 // Windows: Avoid boost/thread namespace pollution (which includes windows.h).
38 #include <boost/thread/shared_mutex.hpp>
80 class Session : public QObject
92 Session(DeviceManager &device_manager);
96 DeviceManager& device_manager();
98 const DeviceManager& device_manager() const;
100 std::shared_ptr<sigrok::Session> session() const;
102 std::shared_ptr<devices::Device> device() const;
105 * Sets device instance that will be used in the next capture session.
107 void set_device(std::shared_ptr<devices::Device> device);
109 void set_default_device();
111 capture_state get_capture_state() const;
113 void start_capture(std::function<void (const QString)> error_handler);
117 double get_samplerate() const;
119 const std::unordered_set< std::shared_ptr<view::Signal> >
123 bool add_decoder(srd_decoder *const dec);
125 std::vector< std::shared_ptr<view::DecodeTrace> >
126 get_decode_signals() const;
128 void remove_decode_signal(view::DecodeTrace *signal);
132 void set_capture_state(capture_state state);
134 void update_signals();
136 std::shared_ptr<view::Signal> signal_from_channel(
137 std::shared_ptr<sigrok::Channel> channel) const;
140 void sample_thread_proc(std::shared_ptr<devices::Device> device,
141 std::function<void (const QString)> error_handler);
143 void feed_in_header();
145 void feed_in_meta(std::shared_ptr<sigrok::Meta> meta);
147 void feed_in_trigger();
149 void feed_in_frame_begin();
151 void feed_in_logic(std::shared_ptr<sigrok::Logic> logic);
153 void feed_in_analog(std::shared_ptr<sigrok::Analog> analog);
155 void data_feed_in(std::shared_ptr<sigrok::Device> device,
156 std::shared_ptr<sigrok::Packet> packet);
159 DeviceManager &device_manager_;
160 std::shared_ptr<devices::Device> device_;
162 std::vector< std::shared_ptr<view::DecodeTrace> > decode_traces_;
164 mutable std::mutex sampling_mutex_; //!< Protects access to capture_state_.
165 capture_state capture_state_;
167 mutable boost::shared_mutex signals_mutex_;
168 std::unordered_set< std::shared_ptr<view::Signal> > signals_;
169 std::set< std::shared_ptr<data::SignalData> > all_signal_data_;
171 mutable std::recursive_mutex data_mutex_;
172 std::shared_ptr<data::Logic> logic_data_;
173 uint64_t cur_samplerate_;
174 std::shared_ptr<data::LogicSegment> cur_logic_segment_;
175 std::map< std::shared_ptr<sigrok::Channel>, std::shared_ptr<data::AnalogSegment> >
176 cur_analog_segments_;
178 std::thread sampling_thread_;
183 void capture_state_changed(int state);
184 void device_selected();
186 void signals_changed();
188 void trigger_event(util::Timestamp location);
192 void data_received();
199 #endif // PULSEVIEW_PV_SESSION_HPP