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>
56 class SigSession : public QObject
68 SigSession(DeviceManager &device_manager);
72 struct sr_dev_inst* get_device() const;
75 * Sets device instance that will be used in the next capture session.
77 void set_device(struct sr_dev_inst *sdi);
79 void release_device(struct sr_dev_inst *sdi);
81 void load_file(const std::string &name,
82 boost::function<void (const QString)> error_handler);
84 capture_state get_capture_state() const;
86 void start_capture(uint64_t record_length,
87 boost::function<void (const QString)> error_handler);
91 std::vector< boost::shared_ptr<view::Signal> >
94 boost::shared_ptr<data::Logic> get_data();
96 void add_decoder(srd_decoder *const dec,
97 std::map<const srd_probe*,
98 boost::shared_ptr<view::Signal> > probes,
101 std::vector< boost::shared_ptr<view::DecodeSignal> >
102 get_decode_signals() const;
104 void remove_decode_signal(view::DecodeSignal *signal);
107 void set_capture_state(capture_state state);
109 void update_signals(const sr_dev_inst *const sdi);
111 bool is_trigger_enabled() const;
113 void read_sample_rate(const sr_dev_inst *const sdi);
117 * Attempts to autodetect the format. Failing that
118 * @param filename The filename of the input file.
119 * @return A pointer to the 'struct sr_input_format' that should be
120 * used, or NULL if no input format was selected or
123 static sr_input_format* determine_input_file_format(
124 const std::string &filename);
126 static sr_input* load_input_file_format(
127 const std::string &filename,
128 boost::function<void (const QString)> error_handler,
129 sr_input_format *format = NULL);
131 void load_session_thread_proc(
132 boost::function<void (const QString)> error_handler);
134 void load_input_thread_proc(const std::string name, sr_input *in,
135 boost::function<void (const QString)> error_handler);
137 void sample_thread_proc(struct sr_dev_inst *sdi,
138 uint64_t record_length,
139 boost::function<void (const QString)> error_handler);
141 void feed_in_header(const sr_dev_inst *sdi);
143 void feed_in_meta(const sr_dev_inst *sdi,
144 const sr_datafeed_meta &meta);
146 void feed_in_logic(const sr_datafeed_logic &logic);
148 void feed_in_analog(const sr_datafeed_analog &analog);
150 void data_feed_in(const struct sr_dev_inst *sdi,
151 const struct sr_datafeed_packet *packet);
153 static void data_feed_in_proc(const struct sr_dev_inst *sdi,
154 const struct sr_datafeed_packet *packet, void *cb_data);
157 DeviceManager &_device_manager;
160 * The device instance that will be used in the next capture session.
162 struct sr_dev_inst *_sdi;
164 std::vector< boost::shared_ptr<view::DecodeSignal> > _decode_traces;
166 mutable boost::mutex _sampling_mutex;
167 capture_state _capture_state;
169 mutable boost::mutex _signals_mutex;
170 std::vector< boost::shared_ptr<view::Signal> > _signals;
172 mutable boost::mutex _data_mutex;
173 boost::shared_ptr<data::Logic> _logic_data;
174 boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
175 boost::shared_ptr<data::Analog> _analog_data;
176 boost::shared_ptr<data::AnalogSnapshot> _cur_analog_snapshot;
178 boost::thread _sampling_thread;
181 void capture_state_changed(int state);
183 void signals_changed();
188 // TODO: This should not be necessary. Multiple concurrent
189 // sessions should should be supported and it should be
190 // possible to associate a pointer with a sr_session.
191 static SigSession *_session;
196 #endif // PULSEVIEW_PV_SIGSESSION_H