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>
37 #include <libsigrok/libsigrok.h>
64 class SigSession : public QObject
76 SigSession(DeviceManager &device_manager);
80 std::shared_ptr<device::DevInst> get_device() const;
83 * Sets device instance that will be used in the next capture session.
85 void set_device(std::shared_ptr<device::DevInst> dev_inst)
88 void set_file(const std::string &name)
91 void set_default_device();
93 void release_device(device::DevInst *dev_inst);
95 capture_state get_capture_state() const;
97 void start_capture(boost::function<void (const QString)> error_handler);
101 std::set< std::shared_ptr<data::SignalData> > get_data() const;
103 std::vector< std::shared_ptr<view::Signal> >
107 bool add_decoder(srd_decoder *const dec);
109 std::vector< std::shared_ptr<view::DecodeTrace> >
110 get_decode_signals() const;
112 void remove_decode_signal(view::DecodeTrace *signal);
116 void set_capture_state(capture_state state);
118 void update_signals(std::shared_ptr<device::DevInst> dev_inst);
120 std::shared_ptr<view::Signal> signal_from_probe(
121 const sr_channel *probe) const;
123 void read_sample_rate(const sr_dev_inst *const sdi);
127 * Attempts to autodetect the format. Failing that
128 * @param filename The filename of the input file.
129 * @return A pointer to the 'struct sr_input_format' that should be
130 * used, or NULL if no input format was selected or
133 static sr_input_format* determine_input_file_format(
134 const std::string &filename);
136 static sr_input* load_input_file_format(
137 const std::string &filename,
138 boost::function<void (const QString)> error_handler,
139 sr_input_format *format = NULL);
141 void sample_thread_proc(std::shared_ptr<device::DevInst> dev_inst,
142 boost::function<void (const QString)> error_handler);
144 void feed_in_header(const sr_dev_inst *sdi);
146 void feed_in_meta(const sr_dev_inst *sdi,
147 const sr_datafeed_meta &meta);
149 void feed_in_frame_begin();
151 void feed_in_logic(const sr_datafeed_logic &logic);
153 void feed_in_analog(const sr_datafeed_analog &analog);
155 void data_feed_in(const struct sr_dev_inst *sdi,
156 const struct sr_datafeed_packet *packet);
158 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
159 const struct sr_datafeed_packet *packet, void *cb_data);
162 DeviceManager &_device_manager;
165 * The device instance that will be used in the next capture session.
167 std::shared_ptr<device::DevInst> _dev_inst;
169 std::vector< std::shared_ptr<view::DecodeTrace> > _decode_traces;
171 mutable std::mutex _sampling_mutex;
172 capture_state _capture_state;
174 mutable std::mutex _signals_mutex;
175 std::vector< std::shared_ptr<view::Signal> > _signals;
177 mutable std::mutex _data_mutex;
178 std::shared_ptr<data::Logic> _logic_data;
179 std::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
180 std::map< const sr_channel*, std::shared_ptr<data::AnalogSnapshot> >
181 _cur_analog_snapshots;
183 std::thread _sampling_thread;
186 void capture_state_changed(int state);
188 void signals_changed();
192 void data_received();
197 // TODO: This should not be necessary. Multiple concurrent
198 // sessions should should be supported and it should be
199 // possible to associate a pointer with a sr_session.
200 static SigSession *_session;
205 #endif // PULSEVIEW_PV_SIGSESSION_H