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>
25 #include <boost/shared_ptr.hpp>
26 #include <boost/thread.hpp>
36 #include <libsigrok/libsigrok.h>
63 class SigSession : public QObject
75 SigSession(DeviceManager &device_manager);
79 boost::shared_ptr<device::DevInst> get_device() const;
82 * Sets device instance that will be used in the next capture session.
84 void set_device(boost::shared_ptr<device::DevInst> dev_inst)
87 void set_file(const std::string &name)
90 void set_default_device();
92 void release_device(device::DevInst *dev_inst);
94 capture_state get_capture_state() const;
96 void start_capture(boost::function<void (const QString)> error_handler);
100 std::set< boost::shared_ptr<data::SignalData> > get_data() const;
102 std::vector< boost::shared_ptr<view::Signal> >
106 bool add_decoder(srd_decoder *const dec);
108 std::vector< boost::shared_ptr<view::DecodeTrace> >
109 get_decode_signals() const;
111 void remove_decode_signal(view::DecodeTrace *signal);
115 void set_capture_state(capture_state state);
117 void update_signals(boost::shared_ptr<device::DevInst> dev_inst);
119 boost::shared_ptr<view::Signal> signal_from_probe(
120 const sr_channel *probe) const;
122 void read_sample_rate(const sr_dev_inst *const sdi);
126 * Attempts to autodetect the format. Failing that
127 * @param filename The filename of the input file.
128 * @return A pointer to the 'struct sr_input_format' that should be
129 * used, or NULL if no input format was selected or
132 static sr_input_format* determine_input_file_format(
133 const std::string &filename);
135 static sr_input* load_input_file_format(
136 const std::string &filename,
137 boost::function<void (const QString)> error_handler,
138 sr_input_format *format = NULL);
140 void sample_thread_proc(boost::shared_ptr<device::DevInst> dev_inst,
141 boost::function<void (const QString)> error_handler);
143 void feed_in_header(const sr_dev_inst *sdi);
145 void feed_in_meta(const sr_dev_inst *sdi,
146 const sr_datafeed_meta &meta);
148 void feed_in_frame_begin();
150 void feed_in_logic(const sr_datafeed_logic &logic);
152 void feed_in_analog(const sr_datafeed_analog &analog);
154 void data_feed_in(const struct sr_dev_inst *sdi,
155 const struct sr_datafeed_packet *packet);
157 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
158 const struct sr_datafeed_packet *packet, void *cb_data);
161 DeviceManager &_device_manager;
164 * The device instance that will be used in the next capture session.
166 boost::shared_ptr<device::DevInst> _dev_inst;
168 std::vector< boost::shared_ptr<view::DecodeTrace> > _decode_traces;
170 mutable boost::mutex _sampling_mutex;
171 capture_state _capture_state;
173 mutable boost::mutex _signals_mutex;
174 std::vector< boost::shared_ptr<view::Signal> > _signals;
176 mutable boost::mutex _data_mutex;
177 boost::shared_ptr<data::Logic> _logic_data;
178 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
179 std::map< const sr_channel*, boost::shared_ptr<data::AnalogSnapshot> >
180 _cur_analog_snapshots;
182 boost::thread _sampling_thread;
185 void capture_state_changed(int state);
187 void signals_changed();
191 void data_received();
196 // TODO: This should not be necessary. Multiple concurrent
197 // sessions should should be supported and it should be
198 // possible to associate a pointer with a sr_session.
199 static SigSession *_session;
204 #endif // PULSEVIEW_PV_SIGSESSION_H