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_SIGSESSION_H
22 #define PULSEVIEW_PV_SIGSESSION_H
24 #include <boost/function.hpp>
25 #include <boost/shared_ptr.hpp>
26 #include <boost/thread.hpp>
36 #include <libsigrok/libsigrok.h>
60 class SigSession : public QObject
72 SigSession(DeviceManager &device_manager);
76 boost::shared_ptr<DevInst> get_device() const;
79 * Sets device instance that will be used in the next capture session.
81 void set_device(boost::shared_ptr<DevInst> dev_inst);
83 void release_device(boost::shared_ptr<DevInst> dev_inst);
85 void load_file(const std::string &name,
86 boost::function<void (const QString)> error_handler);
88 capture_state get_capture_state() const;
90 void start_capture(boost::function<void (const QString)> error_handler);
94 std::set< boost::shared_ptr<data::SignalData> > get_data() const;
96 std::vector< boost::shared_ptr<view::Signal> >
100 bool add_decoder(srd_decoder *const dec);
102 std::vector< boost::shared_ptr<view::DecodeTrace> >
103 get_decode_signals() const;
105 void remove_decode_signal(view::DecodeTrace *signal);
109 void set_capture_state(capture_state state);
111 void update_signals(boost::shared_ptr<DevInst> dev_inst);
113 bool is_trigger_enabled() const;
115 boost::shared_ptr<view::Signal> signal_from_probe(
116 const sr_probe *probe) const;
118 void read_sample_rate(const sr_dev_inst *const sdi);
122 * Attempts to autodetect the format. Failing that
123 * @param filename The filename of the input file.
124 * @return A pointer to the 'struct sr_input_format' that should be
125 * used, or NULL if no input format was selected or
128 static sr_input_format* determine_input_file_format(
129 const std::string &filename);
131 static sr_input* load_input_file_format(
132 const std::string &filename,
133 boost::function<void (const QString)> error_handler,
134 sr_input_format *format = NULL);
136 void load_session_thread_proc(
137 boost::function<void (const QString)> error_handler);
139 void load_input_thread_proc(const std::string name, sr_input *in,
140 boost::function<void (const QString)> error_handler);
142 void sample_thread_proc(boost::shared_ptr<DevInst> dev_inst,
143 boost::function<void (const QString)> error_handler);
145 void feed_in_header(const sr_dev_inst *sdi);
147 void feed_in_meta(const sr_dev_inst *sdi,
148 const sr_datafeed_meta &meta);
150 void feed_in_logic(const sr_datafeed_logic &logic);
152 void feed_in_analog(const sr_datafeed_analog &analog);
154 void data_feed_in(const struct sr_dev_inst *sdi,
155 const struct sr_datafeed_packet *packet);
157 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
158 const struct sr_datafeed_packet *packet, void *cb_data);
161 DeviceManager &_device_manager;
164 * The device instance that will be used in the next capture session.
166 boost::shared_ptr<DevInst> _dev_inst;
168 std::vector< boost::shared_ptr<view::DecodeTrace> > _decode_traces;
170 mutable boost::mutex _sampling_mutex;
171 capture_state _capture_state;
173 mutable boost::mutex _signals_mutex;
174 std::vector< boost::shared_ptr<view::Signal> > _signals;
176 mutable boost::mutex _data_mutex;
177 boost::shared_ptr<data::Logic> _logic_data;
178 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
179 std::map< const sr_probe*, boost::shared_ptr<data::AnalogSnapshot> >
180 _cur_analog_snapshots;
182 boost::thread _sampling_thread;
185 void capture_state_changed(int state);
187 void signals_changed();
192 // TODO: This should not be necessary. Multiple concurrent
193 // sessions should should be supported and it should be
194 // possible to associate a pointer with a sr_session.
195 static SigSession *_session;
200 #endif // PULSEVIEW_PV_SIGSESSION_H