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>
63 class SigSession : public QObject
75 SigSession(DeviceManager &device_manager);
79 boost::shared_ptr<device::DevInst> get_device() const;
82 * Sets device instance that will be used in the next capture session.
84 void set_device(boost::shared_ptr<device::DevInst> dev_inst);
86 void release_device(device::DevInst *dev_inst);
88 void load_file(const std::string &name,
89 boost::function<void (const QString)> error_handler);
91 capture_state get_capture_state() const;
93 void start_capture(boost::function<void (const QString)> error_handler);
97 std::set< boost::shared_ptr<data::SignalData> > get_data() const;
99 std::vector< boost::shared_ptr<view::Signal> >
103 bool add_decoder(srd_decoder *const dec);
105 std::vector< boost::shared_ptr<view::DecodeTrace> >
106 get_decode_signals() const;
108 void remove_decode_signal(view::DecodeTrace *signal);
112 void set_capture_state(capture_state state);
114 void update_signals(boost::shared_ptr<device::DevInst> dev_inst);
116 bool is_trigger_enabled() const;
118 boost::shared_ptr<view::Signal> signal_from_probe(
119 const sr_probe *probe) const;
121 void read_sample_rate(const sr_dev_inst *const sdi);
125 * Attempts to autodetect the format. Failing that
126 * @param filename The filename of the input file.
127 * @return A pointer to the 'struct sr_input_format' that should be
128 * used, or NULL if no input format was selected or
131 static sr_input_format* determine_input_file_format(
132 const std::string &filename);
134 static sr_input* load_input_file_format(
135 const std::string &filename,
136 boost::function<void (const QString)> error_handler,
137 sr_input_format *format = NULL);
139 void load_session_thread_proc(
140 boost::function<void (const QString)> error_handler);
142 void load_input_thread_proc(const std::string name, sr_input *in,
143 boost::function<void (const QString)> error_handler);
145 void sample_thread_proc(boost::shared_ptr<device::DevInst> dev_inst,
146 boost::function<void (const QString)> error_handler);
148 void feed_in_header(const sr_dev_inst *sdi);
150 void feed_in_meta(const sr_dev_inst *sdi,
151 const sr_datafeed_meta &meta);
153 void feed_in_logic(const sr_datafeed_logic &logic);
155 void feed_in_analog(const sr_datafeed_analog &analog);
157 void data_feed_in(const struct sr_dev_inst *sdi,
158 const struct sr_datafeed_packet *packet);
160 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
161 const struct sr_datafeed_packet *packet, void *cb_data);
164 DeviceManager &_device_manager;
167 * The device instance that will be used in the next capture session.
169 boost::shared_ptr<device::DevInst> _dev_inst;
171 std::vector< boost::shared_ptr<view::DecodeTrace> > _decode_traces;
173 mutable boost::mutex _sampling_mutex;
174 capture_state _capture_state;
176 mutable boost::mutex _signals_mutex;
177 std::vector< boost::shared_ptr<view::Signal> > _signals;
179 mutable boost::mutex _data_mutex;
180 boost::shared_ptr<data::Logic> _logic_data;
181 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
182 std::map< const sr_probe*, boost::shared_ptr<data::AnalogSnapshot> >
183 _cur_analog_snapshots;
185 boost::thread _sampling_thread;
188 void capture_state_changed(int state);
190 void signals_changed();
195 // TODO: This should not be necessary. Multiple concurrent
196 // sessions should should be supported and it should be
197 // possible to associate a pointer with a sr_session.
198 static SigSession *_session;
203 #endif // PULSEVIEW_PV_SIGSESSION_H