// TODO: This should not be necessary
SigSession* SigSession::_session = NULL;
-SigSession::SigSession()
+SigSession::SigSession() :
+ _capture_state(Stopped)
{
// TODO: This should not be necessary
_session = this;
SigSession::~SigSession()
{
- if(_sampling_thread.get())
+ stop_capture();
+
+ if (_sampling_thread.get())
_sampling_thread->join();
_sampling_thread.reset();
_session = NULL;
}
-void SigSession::load_file(const std::string &name)
+void SigSession::load_file(const string &name)
{
- if (sr_session_load(name.c_str()) == SR_OK) {
- /* sigrok session file */
- sr_session_datafeed_callback_add(data_feed_in_proc);
- sr_session_start();
- sr_session_run();
- sr_session_stop();
- }
+ stop_capture();
+ _sampling_thread.reset(new boost::thread(
+ &SigSession::load_thread_proc, this, name));
+}
+
+SigSession::capture_state SigSession::get_capture_state() const
+{
+ lock_guard<mutex> lock(_sampling_mutex);
+ return _capture_state;
}
void SigSession::start_capture(struct sr_dev_inst *sdi,
uint64_t record_length, uint64_t sample_rate)
{
- // Check sampling isn't already active
- if(_sampling_thread.get())
- _sampling_thread->join();
+ stop_capture();
+
_sampling_thread.reset(new boost::thread(
&SigSession::sample_thread_proc, this, sdi,
record_length, sample_rate));
}
-vector< shared_ptr<view::Signal> >& SigSession::get_signals()
+void SigSession::stop_capture()
{
+ if (get_capture_state() == Stopped)
+ return;
+
+ sr_session_stop();
+
+ // Check that sampling stopped
+ if (_sampling_thread.get())
+ _sampling_thread->join();
+ _sampling_thread.reset();
+}
+
+vector< shared_ptr<view::Signal> > SigSession::get_signals()
+{
+ lock_guard<mutex> lock(_signals_mutex);
return _signals;
}
return _logic_data;
}
+void SigSession::set_capture_state(capture_state state)
+{
+ lock_guard<mutex> lock(_sampling_mutex);
+ _capture_state = state;
+ capture_state_changed(state);
+}
+
+void SigSession::load_thread_proc(const string name)
+{
+ if (sr_session_load(name.c_str()) != SR_OK) {
+ qDebug() << "Failed to load file.";
+ return;
+ }
+
+ sr_session_datafeed_callback_add(data_feed_in_proc);
+
+ if (sr_session_start() != SR_OK) {
+ qDebug() << "Failed to start session.";
+ return;
+ }
+
+ set_capture_state(Running);
+
+ sr_session_run();
+ sr_session_stop();
+
+ set_capture_state(Stopped);
+}
+
void SigSession::sample_thread_proc(struct sr_dev_inst *sdi,
uint64_t record_length, uint64_t sample_rate)
{
return;
}
+ set_capture_state(Running);
+
sr_session_run();
sr_session_destroy();
+
+ set_capture_state(Stopped);
}
-void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
- struct sr_datafeed_packet *packet)
+void SigSession::feed_in_meta_logic(const struct sr_dev_inst *sdi,
+ const sr_datafeed_meta_logic &meta_logic)
{
using view::LogicSignal;
- assert(sdi);
- assert(packet);
-
- switch (packet->type) {
- case SR_DF_HEADER:
- {
- lock_guard<mutex> lock(_data_mutex);
- _signals.clear();
- break;
- }
-
- case SR_DF_META_LOGIC:
{
- assert(packet->payload);
-
lock_guard<mutex> lock(_data_mutex);
- const sr_datafeed_meta_logic &meta_logic =
- *(sr_datafeed_meta_logic*)packet->payload;
-
- // Create an empty LogiData for coming data snapshots
+ // Create an empty LogicData for coming data snapshots
_logic_data.reset(new LogicData(meta_logic));
assert(_logic_data);
- if(!_logic_data)
- break;
+ if (!_logic_data)
+ return;
+ }
+
+ {
+ lock_guard<mutex> lock(_signals_mutex);
// Add the signals
- for (int i = 0; i < meta_logic.num_probes; i++)
- {
+ for (int i = 0; i < meta_logic.num_probes; i++) {
const sr_probe *const probe =
(const sr_probe*)g_slist_nth_data(
sdi->probes, i);
- if(probe->enabled)
- {
+ if (probe->enabled) {
shared_ptr<LogicSignal> signal(
new LogicSignal(probe->name,
- _logic_data,
- probe->index));
+ _logic_data, probe->index));
_signals.push_back(signal);
}
}
- break;
+ signals_changed();
}
+}
- case SR_DF_LOGIC:
+void SigSession::feed_in_logic(const sr_datafeed_logic &logic)
+{
+ lock_guard<mutex> lock(_data_mutex);
+ if (!_cur_logic_snapshot)
{
- lock_guard<mutex> lock(_data_mutex);
- assert(packet->payload);
- if(!_cur_logic_snapshot)
- {
- // Create a new data snapshot
- _cur_logic_snapshot = shared_ptr<LogicDataSnapshot>(
- new LogicDataSnapshot(
- *(sr_datafeed_logic*)packet->payload));
- _logic_data->push_snapshot(_cur_logic_snapshot);
- }
- else
- {
- // Append to the existing data snapshot
- _cur_logic_snapshot->append_payload(
- *(sr_datafeed_logic*)packet->payload);
- }
+ // Create a new data snapshot
+ _cur_logic_snapshot = shared_ptr<LogicDataSnapshot>(
+ new LogicDataSnapshot(logic));
+ _logic_data->push_snapshot(_cur_logic_snapshot);
+ }
+ else
+ {
+ // Append to the existing data snapshot
+ _cur_logic_snapshot->append_payload(logic);
+ }
+
+ data_updated();
+}
+
+void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
+ const struct sr_datafeed_packet *packet)
+{
+ assert(sdi);
+ assert(packet);
+
+ switch (packet->type) {
+ case SR_DF_HEADER:
+ {
+ lock_guard<mutex> lock(_signals_mutex);
+ _signals.clear();
break;
}
+ case SR_DF_META_LOGIC:
+ assert(packet->payload);
+ feed_in_meta_logic(sdi,
+ *(const sr_datafeed_meta_logic*)packet->payload);
+ break;
+
+ case SR_DF_LOGIC:
+ assert(packet->payload);
+ feed_in_logic(*(const sr_datafeed_logic*)packet->payload);
+ break;
+
case SR_DF_END:
{
{
}
void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi,
- struct sr_datafeed_packet *packet)
+ const struct sr_datafeed_packet *packet)
{
assert(_session);
_session->data_feed_in(sdi, packet);