if (device_)
device_->close();
+ device_.reset();
+
+ // Remove all stored data
+ signals_.clear();
+ {
+ shared_lock<shared_mutex> lock(signals_mutex_);
+ for (const shared_ptr<data::SignalData> d : all_signal_data_)
+ d->clear();
+ }
+ all_signal_data_.clear();
+ cur_logic_segment_.reset();
+
+ for (auto entry : cur_analog_segments_) {
+ shared_ptr<sigrok::Channel>(entry.first).reset();
+ shared_ptr<data::AnalogSegment>(entry.second).reset();
+ }
+
+ logic_data_.reset();
+ decode_traces_.clear();
+
+ signals_changed();
+
device_ = std::move(device);
device_->open();
device_->session()->add_datafeed_callback([=]
(shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
data_feed_in(device, packet);
});
- update_signals();
-
- decode_traces_.clear();
+ update_signals();
device_selected();
}
void Session::start_capture(function<void (const QString)> error_handler)
{
+ if (!device_) {
+ error_handler(tr("No active device set, can't start acquisition."));
+ return;
+ }
+
stop_capture();
// Check that at least one channel is enabled
- assert(device_);
const shared_ptr<sigrok::Device> sr_dev = device_->device();
if (sr_dev) {
const auto channels = sr_dev->channels();
}
// Clear signal data
- for (const shared_ptr<data::SignalData> d : get_data())
- d->clear();
+ {
+ shared_lock<shared_mutex> lock(signals_mutex_);
+ for (const shared_ptr<data::SignalData> d : all_signal_data_)
+ d->clear();
+ }
// Begin the session
sampling_thread_ = std::thread(
- &Session::sample_thread_proc, this, device_,
- error_handler);
+ &Session::sample_thread_proc, this, error_handler);
}
void Session::stop_capture()
sampling_thread_.join();
}
-set< shared_ptr<data::SignalData> > Session::get_data() const
-{
- shared_lock<shared_mutex> lock(signals_mutex_);
- set< shared_ptr<data::SignalData> > data;
- for (const shared_ptr<view::Signal> sig : signals_) {
- assert(sig);
- data.insert(sig->data());
- }
-
- return data;
-}
-
double Session::get_samplerate() const
{
double samplerate = 0.0;
- for (const shared_ptr<pv::data::SignalData> d : get_data()) {
- assert(d);
- const vector< shared_ptr<pv::data::Segment> > segments =
- d->segments();
- for (const shared_ptr<pv::data::Segment> &s : segments)
- samplerate = std::max(samplerate, s->samplerate());
+ {
+ shared_lock<shared_mutex> lock(signals_mutex_);
+ for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
+ assert(d);
+ const vector< shared_ptr<pv::data::Segment> > segments =
+ d->segments();
+ for (const shared_ptr<pv::data::Segment> &s : segments)
+ samplerate = std::max(samplerate, s->samplerate());
+ }
}
-
// If there is no sample rate given we use samples as unit
if (samplerate == 0.0)
samplerate = 1.0;
map<const srd_channel*, shared_ptr<view::LogicSignal> > channels;
shared_ptr<data::DecoderStack> decoder_stack;
- try
- {
+ try {
lock_guard<boost::shared_mutex> lock(signals_mutex_);
// Create the decoder
// Auto select the initial channels
for (const srd_channel *pdch : all_channels)
- for (shared_ptr<view::Signal> s : signals_)
- {
+ for (shared_ptr<view::Signal> s : signals_) {
shared_ptr<view::LogicSignal> l =
dynamic_pointer_cast<view::LogicSignal>(s);
if (l && QString::fromUtf8(pdch->name).
new view::DecodeTrace(*this, decoder_stack,
decode_traces_.size()));
decode_traces_.push_back(d);
- }
- catch(std::runtime_error e)
- {
+ } catch (std::runtime_error e) {
return false;
}
void Session::remove_decode_signal(view::DecodeTrace *signal)
{
for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++)
- if ((*i).get() == signal)
- {
+ if ((*i).get() == signal) {
decode_traces_.erase(i);
signals_changed();
return;
void Session::update_signals()
{
- assert(device_);
+ if (!device_) {
+ signals_.clear();
+ logic_data_.reset();
+ return;
+ }
lock_guard<recursive_mutex> lock(data_mutex_);
new view::LogicSignal(*this,
device_, channel,
logic_data_));
+ all_signal_data_.insert(logic_data_);
break;
case SR_CHANNEL_ANALOG:
signal = shared_ptr<view::Signal>(
new view::AnalogSignal(
*this, channel, data));
+ all_signal_data_.insert(data);
break;
}
return shared_ptr<view::Signal>();
}
-void Session::sample_thread_proc(shared_ptr<devices::Device> device,
- function<void (const QString)> error_handler)
+void Session::sample_thread_proc(function<void (const QString)> error_handler)
{
- assert(device);
assert(error_handler);
- (void)device;
+ if (!device_)
+ return;
cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
try {
device_->start();
- } catch(Error e) {
+ } catch (Error e) {
error_handler(e.what());
return;
}
set_capture_state(Stopped);
// Confirm that SR_DF_END was received
- if (cur_logic_segment_)
- {
+ if (cur_logic_segment_) {
qDebug("SR_DF_END was not received.");
assert(0);
}
for (auto entry : meta->config()) {
switch (entry.first->id()) {
case SR_CONF_SAMPLERATE:
+ // We can't rely on the header to always contain the sample rate,
+ // so in case it's supplied via a meta packet, we use it.
+ if (!cur_samplerate_)
+ cur_samplerate_ = g_variant_get_uint64(entry.second.gobj());
+
/// @todo handle samplerate changes
break;
default:
// The channel containing most samples should be most accurate
uint64_t sample_count = 0;
- for (const shared_ptr<pv::data::SignalData> d : get_data()) {
- assert(d);
- uint64_t temp_count = 0;
-
- const vector< shared_ptr<pv::data::Segment> > segments =
- d->segments();
- for (const shared_ptr<pv::data::Segment> &s : segments)
- temp_count += s->get_sample_count();
-
- if (temp_count > sample_count)
- sample_count = temp_count;
+ {
+ shared_lock<shared_mutex> lock(signals_mutex_);
+ for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
+ assert(d);
+ uint64_t temp_count = 0;
+
+ const vector< shared_ptr<pv::data::Segment> > segments =
+ d->segments();
+ for (const shared_ptr<pv::data::Segment> &s : segments)
+ temp_count += s->get_sample_count();
+
+ if (temp_count > sample_count)
+ sample_count = temp_count;
+ }
}
trigger_event(sample_count / get_samplerate());
const size_t sample_count = logic->data_length() / logic->unit_size();
- if (!logic_data_)
- {
+ if (!logic_data_) {
// The only reason logic_data_ would not have been created is
// if it was not possible to determine the signals when the
// device was created.
update_signals();
}
- if (!cur_logic_segment_)
- {
+ if (!cur_logic_segment_) {
// This could be the first packet after a trigger
set_capture_state(Running);
// frame_began is DecoderStack, but in future we need to signal
// this after both analog and logic sweeps have begun.
frame_began();
- }
- else
- {
+ } else {
// Append to the existing data segment
cur_logic_segment_->append_payload(logic);
}
const float *data = static_cast<const float *>(analog->data_pointer());
bool sweep_beginning = false;
- for (auto channel : channels)
- {
+ if (signals_.empty())
+ update_signals();
+
+ for (auto channel : channels) {
shared_ptr<data::AnalogSegment> segment;
// Try to get the segment of the channel
iterator iter = cur_analog_segments_.find(channel);
if (iter != cur_analog_segments_.end())
segment = (*iter).second;
- else
- {
- // If no segment was found, this means we havn't
+ else {
+ // If no segment was found, this means we haven't
// created one yet. i.e. this is the first packet
// in the sweep containing this segment.
sweep_beginning = true;
projects / pulseview.git / blobdiff