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>
52 class SigSession : public QObject
63 SigSession(DeviceManager &device_manager);
67 struct sr_dev_inst* get_device() const;
70 * Sets device instance that will be used in the next capture session.
72 void set_device(struct sr_dev_inst *sdi);
74 void release_device(struct sr_dev_inst *sdi);
76 void load_file(const std::string &name,
77 boost::function<void (const QString)> error_handler);
79 capture_state get_capture_state() const;
81 void start_capture(uint64_t record_length,
82 boost::function<void (const QString)> error_handler);
86 std::vector< boost::shared_ptr<view::Signal> >
89 boost::shared_ptr<data::Logic> get_data();
92 void set_capture_state(capture_state state);
94 void update_signals();
98 * Attempts to autodetect the format. Failing that
99 * @param filename The filename of the input file.
100 * @return A pointer to the 'struct sr_input_format' that should be
101 * used, or NULL if no input format was selected or
104 static sr_input_format* determine_input_file_format(
105 const std::string &filename);
107 static sr_input* load_input_file_format(
108 const std::string &filename,
109 boost::function<void (const QString)> error_handler,
110 sr_input_format *format = NULL);
112 void load_thread_proc(const std::string name,
113 boost::function<void (const QString)> error_handler);
115 void sample_thread_proc(struct sr_dev_inst *sdi,
116 uint64_t record_length,
117 boost::function<void (const QString)> error_handler);
119 void feed_in_header(const sr_dev_inst *sdi);
121 void feed_in_meta(const sr_dev_inst *sdi,
122 const sr_datafeed_meta &meta);
124 void feed_in_logic(const sr_datafeed_logic &logic);
126 void feed_in_analog(const sr_datafeed_analog &analog);
128 void data_feed_in(const struct sr_dev_inst *sdi,
129 const struct sr_datafeed_packet *packet);
131 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
132 const struct sr_datafeed_packet *packet, void *cb_data);
135 DeviceManager &_device_manager;
138 * The device instance that will be used in the next capture session.
140 struct sr_dev_inst *_sdi;
142 mutable boost::mutex _sampling_mutex;
143 capture_state _capture_state;
145 mutable boost::mutex _signals_mutex;
146 std::vector< boost::shared_ptr<view::Signal> > _signals;
148 mutable boost::mutex _data_mutex;
149 boost::shared_ptr<data::Logic> _logic_data;
150 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
151 boost::shared_ptr<data::Analog> _analog_data;
152 boost::shared_ptr<data::AnalogSnapshot> _cur_analog_snapshot;
154 std::auto_ptr<boost::thread> _sampling_thread;
157 void capture_state_changed(int state);
159 void signals_changed();
164 // TODO: This should not be necessary. Multiple concurrent
165 // sessions should should be supported and it should be
166 // possible to associate a pointer with a sr_session.
167 static SigSession *_session;
172 #endif // PULSEVIEW_PV_SIGSESSION_H