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>
57 class SigSession : public QObject
69 SigSession(DeviceManager &device_manager);
73 struct sr_dev_inst* get_device() const;
76 * Sets device instance that will be used in the next capture session.
78 void set_device(struct sr_dev_inst *sdi);
80 void release_device(struct sr_dev_inst *sdi);
82 void load_file(const std::string &name,
83 boost::function<void (const QString)> error_handler);
85 capture_state get_capture_state() const;
87 void start_capture(uint64_t record_length,
88 boost::function<void (const QString)> error_handler);
92 std::vector< boost::shared_ptr<view::Signal> >
95 boost::shared_ptr<data::Logic> get_data();
97 bool add_decoder(srd_decoder *const dec);
99 std::vector< boost::shared_ptr<view::DecodeTrace> >
100 get_decode_signals() const;
102 void remove_decode_signal(view::DecodeTrace *signal);
105 void set_capture_state(capture_state state);
107 void update_signals(const sr_dev_inst *const sdi);
109 bool is_trigger_enabled() const;
111 void read_sample_rate(const sr_dev_inst *const sdi);
115 * Attempts to autodetect the format. Failing that
116 * @param filename The filename of the input file.
117 * @return A pointer to the 'struct sr_input_format' that should be
118 * used, or NULL if no input format was selected or
121 static sr_input_format* determine_input_file_format(
122 const std::string &filename);
124 static sr_input* load_input_file_format(
125 const std::string &filename,
126 boost::function<void (const QString)> error_handler,
127 sr_input_format *format = NULL);
129 void load_session_thread_proc(
130 boost::function<void (const QString)> error_handler);
132 void load_input_thread_proc(const std::string name, sr_input *in,
133 boost::function<void (const QString)> error_handler);
135 void sample_thread_proc(struct sr_dev_inst *sdi,
136 uint64_t record_length,
137 boost::function<void (const QString)> error_handler);
139 void feed_in_header(const sr_dev_inst *sdi);
141 void feed_in_meta(const sr_dev_inst *sdi,
142 const sr_datafeed_meta &meta);
144 void feed_in_logic(const sr_datafeed_logic &logic);
146 void feed_in_analog(const sr_datafeed_analog &analog);
148 void data_feed_in(const struct sr_dev_inst *sdi,
149 const struct sr_datafeed_packet *packet);
151 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
152 const struct sr_datafeed_packet *packet, void *cb_data);
155 DeviceManager &_device_manager;
158 * The device instance that will be used in the next capture session.
160 struct sr_dev_inst *_sdi;
162 std::vector< boost::shared_ptr<view::DecodeTrace> > _decode_traces;
164 mutable boost::mutex _sampling_mutex;
165 capture_state _capture_state;
167 mutable boost::mutex _signals_mutex;
168 std::vector< boost::shared_ptr<view::Signal> > _signals;
170 mutable boost::mutex _data_mutex;
171 boost::shared_ptr<data::Logic> _logic_data;
172 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
173 boost::shared_ptr<data::Analog> _analog_data;
174 boost::shared_ptr<data::AnalogSnapshot> _cur_analog_snapshot;
176 boost::thread _sampling_thread;
179 void capture_state_changed(int state);
181 void signals_changed();
186 // TODO: This should not be necessary. Multiple concurrent
187 // sessions should should be supported and it should be
188 // possible to associate a pointer with a sr_session.
189 static SigSession *_session;
194 #endif // PULSEVIEW_PV_SIGSESSION_H