* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <cassert>
-#include "storesession.h"
+#ifdef _WIN32
+// Windows: Avoid boost/thread namespace pollution (which includes windows.h).
+#define NOGDI
+#define NORESOURCE
+#endif
+#include <boost/thread/locks.hpp>
+#include <boost/thread/shared_mutex.hpp>
-#include <pv/sigsession.h>
-#include <pv/data/logic.h>
-#include <pv/data/logicsnapshot.h>
-#include <pv/view/signal.h>
+#include "storesession.hpp"
-#include <libsigrok/libsigrok.hpp>
+#include <pv/devicemanager.hpp>
+#include <pv/session.hpp>
+#include <pv/data/analog.hpp>
+#include <pv/data/analogsegment.hpp>
+#include <pv/data/logic.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/data/signalbase.hpp>
+#include <pv/devices/device.hpp>
+
+#include <libsigrokcxx/libsigrokcxx.hpp>
+
+using boost::shared_lock;
+using boost::shared_mutex;
using std::deque;
using std::dynamic_pointer_cast;
+using std::ios_base;
using std::lock_guard;
using std::make_pair;
+using std::map;
using std::min;
using std::mutex;
using std::pair;
using std::shared_ptr;
using std::string;
using std::thread;
+using std::unordered_set;
using std::vector;
+using Glib::VariantBase;
+
+using sigrok::ChannelType;
using sigrok::ConfigKey;
using sigrok::Error;
+using sigrok::OutputFormat;
+using sigrok::OutputFlag;
namespace pv {
const size_t StoreSession::BlockSize = 1024 * 1024;
StoreSession::StoreSession(const std::string &file_name,
- const SigSession &session) :
- _file_name(file_name),
- _session(session),
- _interrupt(false),
- _units_stored(0),
- _unit_count(0)
+ const shared_ptr<OutputFormat> &output_format,
+ const map<string, VariantBase> &options,
+ const std::pair<uint64_t, uint64_t> sample_range,
+ const Session &session) :
+ file_name_(file_name),
+ output_format_(output_format),
+ options_(options),
+ sample_range_(sample_range),
+ session_(session),
+ interrupt_(false),
+ units_stored_(0),
+ unit_count_(0)
{
}
pair<int, int> StoreSession::progress() const
{
- return make_pair(_units_stored.load(), _unit_count.load());
+ return make_pair(units_stored_.load(), unit_count_.load());
}
const QString& StoreSession::error() const
{
- lock_guard<mutex> lock(_mutex);
- return _error;
+ lock_guard<mutex> lock(mutex_);
+ return error_;
}
bool StoreSession::start()
{
- set< shared_ptr<data::SignalData> > data_set =
- _session.get_data();
- const vector< shared_ptr<view::Signal> > sigs =
- _session.get_signals();
-
- // Check we have logic data
- if (data_set.empty() || sigs.empty()) {
- _error = tr("No data to save.");
- return false;
- }
+ const unordered_set< shared_ptr<data::SignalBase> > sigs(session_.signalbases());
- if (data_set.size() > 1) {
- _error = tr("PulseView currently only has support for "
- "storing a single data stream.");
- return false;
- }
+ shared_ptr<data::Segment> any_segment;
+ shared_ptr<data::LogicSegment> lsegment;
+ vector< shared_ptr<data::SignalBase> > achannel_list;
+ vector< shared_ptr<data::AnalogSegment> > asegment_list;
- // Get the logic data
- //shared_ptr<data::SignalData
- shared_ptr<data::Logic> data;
- if (!(data = dynamic_pointer_cast<data::Logic>(*data_set.begin()))) {
- _error = tr("PulseView currently only has support for "
- "storing a logic data.");
- return false;
- }
+ for (shared_ptr<data::SignalBase> signal : sigs) {
+ if (!signal->enabled())
+ continue;
+
+ if (signal->type() == ChannelType::LOGIC) {
+ // All logic channels share the same data segments
+ shared_ptr<data::Logic> ldata = signal->logic_data();
+
+ const deque< shared_ptr<data::LogicSegment> > &lsegments =
+ ldata->logic_segments();
- // Get the snapshot
- const deque< shared_ptr<data::LogicSnapshot> > &snapshots =
- data->get_snapshots();
+ if (lsegments.empty()) {
+ error_ = tr("Can't save logic channel without data.");
+ return false;
+ }
- if (snapshots.empty()) {
- _error = tr("No snapshots to save.");
+ lsegment = lsegments.front();
+ any_segment = lsegment;
+ }
+
+ if (signal->type() == ChannelType::ANALOG) {
+ // Each analog channel has its own segments
+ shared_ptr<data::Analog> adata = signal->analog_data();
+
+ const deque< shared_ptr<data::AnalogSegment> > &asegments =
+ adata->analog_segments();
+
+ if (asegments.empty()) {
+ error_ = tr("Can't save analog channel without data.");
+ return false;
+ }
+
+ asegment_list.push_back(asegments.front());
+ any_segment = asegments.front();
+
+ achannel_list.push_back(signal);
+ }
+ }
+
+ if (!any_segment) {
+ error_ = tr("No channels enabled.");
return false;
}
- const shared_ptr<data::LogicSnapshot> snapshot(snapshots.front());
- assert(snapshot);
+ // Check whether the user wants to export a certain sample range
+ uint64_t end_sample;
+
+ if (sample_range_.first == sample_range_.second) {
+ start_sample_ = 0;
+ sample_count_ = any_segment->get_sample_count();
+ } else {
+ if (sample_range_.first > sample_range_.second) {
+ start_sample_ = sample_range_.second;
+ end_sample = min(sample_range_.first, any_segment->get_sample_count());
+ sample_count_ = end_sample - start_sample_;
+ } else {
+ start_sample_ = sample_range_.first;
+ end_sample = min(sample_range_.second, any_segment->get_sample_count());
+ sample_count_ = end_sample - start_sample_;
+ }
+ }
// Begin storing
try {
- auto context = _session._sr_session->context();
- auto output_format = context->output_formats()["srzip"];
- auto device = _session.get_device();
- _output = output_format->create_output(device,
- {{"filename",
- Glib::Variant<Glib::ustring>::create(_file_name)}});
+ const auto context = session_.device_manager().context();
+ auto device = session_.device()->device();
+
+ map<string, Glib::VariantBase> options = options_;
+
+ if (!output_format_->test_flag(OutputFlag::INTERNAL_IO_HANDLING))
+ output_stream_.open(file_name_, ios_base::binary |
+ ios_base::trunc | ios_base::out);
+
+ output_ = output_format_->create_output(file_name_, device, options);
auto meta = context->create_meta_packet(
- {{ConfigKey::SAMPLERATE,
- Glib::Variant<guint64>::create(data->samplerate())}});
- _output->receive(meta);
+ {{ConfigKey::SAMPLERATE, Glib::Variant<guint64>::create(
+ any_segment->samplerate())}});
+ output_->receive(meta);
} catch (Error error) {
- _error = tr("Error while saving.");
+ error_ = tr("Error while saving: ") + error.what();
return false;
}
- _thread = std::thread(&StoreSession::store_proc, this, snapshot);
+ thread_ = std::thread(&StoreSession::store_proc, this,
+ achannel_list, asegment_list, lsegment);
return true;
}
void StoreSession::wait()
{
- if (_thread.joinable())
- _thread.join();
+ if (thread_.joinable())
+ thread_.join();
}
void StoreSession::cancel()
{
- _interrupt = true;
+ interrupt_ = true;
}
-void StoreSession::store_proc(shared_ptr<data::LogicSnapshot> snapshot)
+void StoreSession::store_proc(vector< shared_ptr<data::SignalBase> > achannel_list,
+ vector< shared_ptr<data::AnalogSegment> > asegment_list,
+ shared_ptr<data::LogicSegment> lsegment)
{
- assert(snapshot);
-
- uint64_t start_sample = 0, sample_count;
unsigned progress_scale = 0;
- /// TODO: Wrap this in a std::unique_ptr when we transition to C++11
- uint8_t *const data = new uint8_t[BlockSize];
- assert(data);
+ int aunit_size = 0;
+ int lunit_size = 0;
+ unsigned int lsamples_per_block = INT_MAX;
+ unsigned int asamples_per_block = INT_MAX;
- const int unit_size = snapshot->unit_size();
- assert(unit_size != 0);
-
- sample_count = snapshot->get_sample_count();
+ if (!asegment_list.empty()) {
+ // We assume all analog channels use the sample unit size
+ aunit_size = asegment_list.front()->unit_size();
+ asamples_per_block = BlockSize / aunit_size;
+ }
+ if (lsegment) {
+ lunit_size = lsegment->unit_size();
+ lsamples_per_block = BlockSize / lunit_size;
+ }
- // Qt needs the progress values to fit inside an int. If they would
+ // Qt needs the progress values to fit inside an int. If they would
// not, scale the current and max values down until they do.
- while ((sample_count >> progress_scale) > INT_MAX)
+ while ((sample_count_ >> progress_scale) > INT_MAX)
progress_scale ++;
- _unit_count = sample_count >> progress_scale;
+ unit_count_ = sample_count_ >> progress_scale;
- const unsigned int samples_per_block = BlockSize / unit_size;
+ const unsigned int samples_per_block =
+ std::min(asamples_per_block, lsamples_per_block);
- while (!_interrupt && start_sample < sample_count)
- {
+ while (!interrupt_ && sample_count_) {
progress_updated();
- const uint64_t end_sample = min(
- start_sample + samples_per_block, sample_count);
- snapshot->get_samples(data, start_sample, end_sample);
-
- size_t length = end_sample - start_sample;
+ const uint64_t packet_len =
+ std::min((uint64_t)samples_per_block, sample_count_);
try {
- auto context = _session._sr_session->context();
- auto logic = context->create_logic_packet(data, length, unit_size);
- _output->receive(logic);
+ const auto context = session_.device_manager().context();
+
+ for (unsigned int i = 0; i < achannel_list.size(); i++) {
+ shared_ptr<sigrok::Channel> achannel = (achannel_list.at(i))->channel();
+ shared_ptr<data::AnalogSegment> asegment = asegment_list.at(i);
+
+ const float *adata =
+ asegment->get_samples(start_sample_, start_sample_ + packet_len);
+
+ auto analog = context->create_analog_packet(
+ vector<shared_ptr<sigrok::Channel> >{achannel},
+ (float *)adata, packet_len,
+ sigrok::Quantity::VOLTAGE, sigrok::Unit::VOLT,
+ vector<const sigrok::QuantityFlag *>());
+ const string adata_str = output_->receive(analog);
+
+ if (output_stream_.is_open())
+ output_stream_ << adata_str;
+
+ delete[] adata;
+ }
+
+ if (lsegment) {
+ const uint8_t* ldata =
+ lsegment->get_samples(start_sample_, start_sample_ + packet_len);
+
+ const size_t length = packet_len * lunit_size;
+ auto logic = context->create_logic_packet((void*)ldata, length, lunit_size);
+ const string ldata_str = output_->receive(logic);
+
+ if (output_stream_.is_open())
+ output_stream_ << ldata_str;
+
+ delete[] ldata;
+ }
} catch (Error error) {
- _error = tr("Error while saving.");
+ error_ = tr("Error while saving: ") + error.what();
break;
}
- start_sample = end_sample;
- _units_stored = start_sample >> progress_scale;
+ sample_count_ -= packet_len;
+ start_sample_ += packet_len;
+ units_stored_ = unit_count_ - (sample_count_ >> progress_scale);
}
- progress_updated();
+ // Zeroing the progress variables indicates completion
+ units_stored_ = unit_count_ = 0;
- _output.reset();
+ store_successful();
+ progress_updated();
- delete[] data;
+ output_.reset();
+ output_stream_.close();
}
} // pv