2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 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>
35 #include <libsigrok/libsigrok.h>
50 class SigSession : public QObject
66 * Sets device instance that will be used in the next capture session.
68 void set_device(struct sr_dev_inst *sdi);
70 void load_file(const std::string &name,
71 boost::function<void (const QString)> error_handler);
73 capture_state get_capture_state() const;
75 void start_capture(uint64_t record_length,
76 boost::function<void (const QString)> error_handler);
80 std::vector< boost::shared_ptr<view::Signal> >
83 boost::shared_ptr<data::Logic> get_data();
86 void set_capture_state(capture_state state);
89 void load_thread_proc(const std::string name,
90 boost::function<void (const QString)> error_handler);
92 void sample_thread_proc(struct sr_dev_inst *sdi,
93 uint64_t record_length,
94 boost::function<void (const QString)> error_handler);
96 void feed_in_header(const sr_dev_inst *sdi);
98 void feed_in_meta(const sr_dev_inst *sdi,
99 const sr_datafeed_meta &meta);
101 void feed_in_logic(const sr_datafeed_logic &logic);
103 void feed_in_analog(const sr_datafeed_analog &analog);
105 void data_feed_in(const struct sr_dev_inst *sdi,
106 const struct sr_datafeed_packet *packet);
108 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
109 const struct sr_datafeed_packet *packet, void *cb_data);
114 * The device instance that will be used in the next capture session.
116 struct sr_dev_inst *_sdi;
118 mutable boost::mutex _sampling_mutex;
119 capture_state _capture_state;
121 mutable boost::mutex _signals_mutex;
122 std::vector< boost::shared_ptr<view::Signal> > _signals;
124 mutable boost::mutex _data_mutex;
125 boost::shared_ptr<data::Logic> _logic_data;
126 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
127 boost::shared_ptr<data::Analog> _analog_data;
128 boost::shared_ptr<data::AnalogSnapshot> _cur_analog_snapshot;
130 std::auto_ptr<boost::thread> _sampling_thread;
133 void capture_state_changed(int state);
135 void signals_changed();
140 // TODO: This should not be necessary. Multiple concurrent
141 // sessions should should be supported and it should be
142 // possible to associate a pointer with a sr_session.
143 static SigSession *_session;
148 #endif // PULSEVIEW_PV_SIGSESSION_H