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 #include "sigsession.h"
23 #include "data/analog.h"
24 #include "data/analogsnapshot.h"
25 #include "data/logic.h"
26 #include "data/logicsnapshot.h"
27 #include "view/analogsignal.h"
28 #include "view/logicsignal.h"
34 using namespace boost;
39 // TODO: This should not be necessary
40 SigSession* SigSession::_session = NULL;
42 SigSession::SigSession() :
43 _capture_state(Stopped)
45 // TODO: This should not be necessary
49 SigSession::~SigSession()
53 if (_sampling_thread.get())
54 _sampling_thread->join();
55 _sampling_thread.reset();
57 // TODO: This should not be necessary
61 void SigSession::load_file(const string &name)
64 _sampling_thread.reset(new boost::thread(
65 &SigSession::load_thread_proc, this, name));
68 SigSession::capture_state SigSession::get_capture_state() const
70 lock_guard<mutex> lock(_sampling_mutex);
71 return _capture_state;
74 void SigSession::start_capture(struct sr_dev_inst *sdi,
75 uint64_t record_length, uint64_t sample_rate)
79 lock_guard<mutex> lock(_sampling_mutex);
80 _sample_rate = sample_rate;
82 _sampling_thread.reset(new boost::thread(
83 &SigSession::sample_thread_proc, this, sdi,
87 void SigSession::stop_capture()
89 if (get_capture_state() == Stopped)
94 // Check that sampling stopped
95 if (_sampling_thread.get())
96 _sampling_thread->join();
97 _sampling_thread.reset();
100 vector< shared_ptr<view::Signal> > SigSession::get_signals()
102 lock_guard<mutex> lock(_signals_mutex);
106 boost::shared_ptr<data::Logic> SigSession::get_data()
111 void SigSession::set_capture_state(capture_state state)
113 lock_guard<mutex> lock(_sampling_mutex);
114 _capture_state = state;
115 capture_state_changed(state);
118 void SigSession::load_thread_proc(const string name)
120 if (sr_session_load(name.c_str()) != SR_OK) {
121 qDebug() << "Failed to load file.";
125 sr_session_datafeed_callback_add(data_feed_in_proc);
127 if (sr_session_start() != SR_OK) {
128 qDebug() << "Failed to start session.";
132 set_capture_state(Running);
137 set_capture_state(Stopped);
140 void SigSession::sample_thread_proc(struct sr_dev_inst *sdi,
141 uint64_t record_length)
144 sr_session_datafeed_callback_add(data_feed_in_proc);
146 if (sr_session_dev_add(sdi) != SR_OK) {
147 qDebug() << "Failed to use device.";
148 sr_session_destroy();
152 if (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_SAMPLES,
153 &record_length) != SR_OK) {
154 qDebug() << "Failed to configure time-based sample limit.";
155 sr_session_destroy();
160 lock_guard<mutex> lock(_sampling_mutex);
161 if (sr_dev_config_set(sdi, SR_HWCAP_SAMPLERATE,
162 &_sample_rate) != SR_OK) {
163 qDebug() << "Failed to configure samplerate.";
164 sr_session_destroy();
169 if (sr_session_start() != SR_OK) {
170 qDebug() << "Failed to start session.";
174 set_capture_state(Running);
177 sr_session_destroy();
179 set_capture_state(Stopped);
182 void SigSession::feed_in_meta_logic(const struct sr_dev_inst *sdi,
183 const sr_datafeed_meta_logic &meta_logic)
185 using view::LogicSignal;
188 lock_guard<mutex> data_lock(_data_mutex);
189 lock_guard<mutex> sampling_lock(_sampling_mutex);
191 // Create an empty data::Logic for coming data snapshots
192 _logic_data.reset(new data::Logic(meta_logic, _sample_rate));
199 lock_guard<mutex> lock(_signals_mutex);
202 for (int i = 0; i < meta_logic.num_probes; i++) {
203 const sr_probe *const probe =
204 (const sr_probe*)g_slist_nth_data(
206 if (probe->enabled) {
207 shared_ptr<LogicSignal> signal(
208 new LogicSignal(probe->name,
209 _logic_data, probe->index));
210 _signals.push_back(signal);
218 void SigSession::feed_in_meta_analog(const struct sr_dev_inst *sdi,
219 const sr_datafeed_meta_analog &meta_analog)
221 using view::AnalogSignal;
224 lock_guard<mutex> data_lock(_data_mutex);
225 lock_guard<mutex> sampling_lock(_sampling_mutex);
227 // Create an empty data::Analog for coming data snapshots
228 _analog_data.reset(new data::Analog(
229 meta_analog, _sample_rate));
230 assert(_analog_data);
236 lock_guard<mutex> lock(_signals_mutex);
239 shared_ptr<AnalogSignal> signal(
240 new AnalogSignal(QString("???"), _analog_data));
241 _signals.push_back(signal);
247 void SigSession::feed_in_logic(const sr_datafeed_logic &logic)
249 lock_guard<mutex> lock(_data_mutex);
250 if (!_cur_logic_snapshot)
252 // Create a new data snapshot
253 _cur_logic_snapshot = shared_ptr<data::LogicSnapshot>(
254 new data::LogicSnapshot(logic));
255 _logic_data->push_snapshot(_cur_logic_snapshot);
259 // Append to the existing data snapshot
260 _cur_logic_snapshot->append_payload(logic);
266 void SigSession::feed_in_analog(const sr_datafeed_analog &analog)
268 lock_guard<mutex> lock(_data_mutex);
269 if (!_cur_analog_snapshot)
271 // Create a new data snapshot
272 _cur_analog_snapshot = shared_ptr<data::AnalogSnapshot>(
273 new data::AnalogSnapshot(analog));
274 _analog_data->push_snapshot(_cur_analog_snapshot);
278 // Append to the existing data snapshot
279 _cur_analog_snapshot->append_payload(analog);
285 void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
286 const struct sr_datafeed_packet *packet)
291 switch (packet->type) {
294 lock_guard<mutex> lock(_signals_mutex);
299 case SR_DF_META_LOGIC:
300 assert(packet->payload);
301 feed_in_meta_logic(sdi,
302 *(const sr_datafeed_meta_logic*)packet->payload);
305 case SR_DF_META_ANALOG:
306 assert(packet->payload);
307 feed_in_meta_analog(sdi,
308 *(const sr_datafeed_meta_analog*)packet->payload);
312 assert(packet->payload);
313 feed_in_logic(*(const sr_datafeed_logic*)packet->payload);
317 assert(packet->payload);
318 feed_in_analog(*(const sr_datafeed_analog*)packet->payload);
324 lock_guard<mutex> lock(_data_mutex);
325 _cur_logic_snapshot.reset();
326 _cur_analog_snapshot.reset();
334 void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi,
335 const struct sr_datafeed_packet *packet)
338 _session->data_feed_in(sdi, packet);