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
64 SigSession(DeviceManager &device_manager);
68 struct sr_dev_inst* get_device() const;
71 * Sets device instance that will be used in the next capture session.
73 void set_device(struct sr_dev_inst *sdi);
75 void release_device(struct sr_dev_inst *sdi);
77 void load_file(const std::string &name,
78 boost::function<void (const QString)> error_handler);
80 capture_state get_capture_state() const;
82 void start_capture(uint64_t record_length,
83 boost::function<void (const QString)> error_handler);
87 std::vector< boost::shared_ptr<view::Signal> >
90 boost::shared_ptr<data::Logic> get_data();
93 void set_capture_state(capture_state state);
95 void update_signals(const sr_dev_inst *const sdi);
97 bool is_trigger_enabled() const;
99 void read_sample_rate(const sr_dev_inst *const sdi);
103 * Attempts to autodetect the format. Failing that
104 * @param filename The filename of the input file.
105 * @return A pointer to the 'struct sr_input_format' that should be
106 * used, or NULL if no input format was selected or
109 static sr_input_format* determine_input_file_format(
110 const std::string &filename);
112 static sr_input* load_input_file_format(
113 const std::string &filename,
114 boost::function<void (const QString)> error_handler,
115 sr_input_format *format = NULL);
117 void load_session_thread_proc(
118 boost::function<void (const QString)> error_handler);
120 void load_input_thread_proc(const std::string name, sr_input *in,
121 boost::function<void (const QString)> error_handler);
123 void sample_thread_proc(struct sr_dev_inst *sdi,
124 uint64_t record_length,
125 boost::function<void (const QString)> error_handler);
127 void feed_in_header(const sr_dev_inst *sdi);
129 void feed_in_meta(const sr_dev_inst *sdi,
130 const sr_datafeed_meta &meta);
132 void feed_in_logic(const sr_datafeed_logic &logic);
134 void feed_in_analog(const sr_datafeed_analog &analog);
136 void data_feed_in(const struct sr_dev_inst *sdi,
137 const struct sr_datafeed_packet *packet);
139 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
140 const struct sr_datafeed_packet *packet, void *cb_data);
143 DeviceManager &_device_manager;
146 * The device instance that will be used in the next capture session.
148 struct sr_dev_inst *_sdi;
150 mutable boost::mutex _sampling_mutex;
151 capture_state _capture_state;
153 mutable boost::mutex _signals_mutex;
154 std::vector< boost::shared_ptr<view::Signal> > _signals;
156 mutable boost::mutex _data_mutex;
157 boost::shared_ptr<data::Logic> _logic_data;
158 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
159 boost::shared_ptr<data::Analog> _analog_data;
160 boost::shared_ptr<data::AnalogSnapshot> _cur_analog_snapshot;
162 std::auto_ptr<boost::thread> _sampling_thread;
165 void capture_state_changed(int state);
167 void signals_changed();
172 // TODO: This should not be necessary. Multiple concurrent
173 // sessions should should be supported and it should be
174 // possible to associate a pointer with a sr_session.
175 static SigSession *_session;
180 #endif // PULSEVIEW_PV_SIGSESSION_H