* 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 "analog.hpp"
+#include "analogsegment.hpp"
+#include "logic.hpp"
+#include "logicsegment.hpp"
#include "signalbase.hpp"
+#include "signaldata.hpp"
+#include "decode/row.hpp"
-using std::shared_ptr;
+#include <pv/session.hpp>
+#include <pv/binding/decoder.hpp>
-using sigrok::Channel;
-using sigrok::ChannelType;
+using std::dynamic_pointer_cast;
+using std::make_shared;
+using std::shared_ptr;
+using std::tie;
namespace pv {
namespace data {
-const int SignalBase::ColourBGAlpha = 8*256/100;
+const int SignalBase::ColourBGAlpha = 8 * 256 / 100;
-SignalBase::SignalBase(shared_ptr<sigrok::Channel> channel) :
- channel_(channel)
+SignalBase::SignalBase(shared_ptr<sigrok::Channel> channel, ChannelType channel_type) :
+ channel_(channel),
+ channel_type_(channel_type),
+ conversion_type_(NoConversion)
{
+ if (channel_)
+ internal_name_ = QString::fromStdString(channel_->name());
+}
+
+SignalBase::~SignalBase()
+{
+ // Wait for the currently ongoing conversion to finish
+ if (conversion_thread_.joinable())
+ conversion_thread_.join();
}
shared_ptr<sigrok::Channel> SignalBase::channel() const
return (channel_) ? QString::fromStdString(channel_->name()) : name_;
}
+QString SignalBase::internal_name() const
+{
+ return internal_name_;
+}
+
void SignalBase::set_name(QString name)
{
if (channel_)
}
}
-const ChannelType *SignalBase::type() const
+SignalBase::ChannelType SignalBase::type() const
{
- return (channel_) ? channel_->type() : nullptr;
+ return channel_type_;
}
unsigned int SignalBase::index() const
return bgcolour_;
}
+void SignalBase::set_data(shared_ptr<pv::data::SignalData> data)
+{
+ if (data_ && channel_type_ == AnalogChannel) {
+ shared_ptr<Analog> analog_data = dynamic_pointer_cast<Analog>(data_);
+
+ disconnect(analog_data.get(), SIGNAL(samples_cleared()),
+ this, SLOT(on_samples_cleared()));
+ disconnect(analog_data.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+ this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t)));
+ }
+
+ data_ = data;
+
+ if (data_ && channel_type_ == AnalogChannel) {
+ shared_ptr<Analog> analog_data = dynamic_pointer_cast<Analog>(data_);
+
+ connect(analog_data.get(), SIGNAL(samples_cleared()),
+ this, SLOT(on_samples_cleared()));
+ connect(analog_data.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+ this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t)));
+ }
+}
+
+shared_ptr<data::Analog> SignalBase::analog_data() const
+{
+ shared_ptr<Analog> result = nullptr;
+
+ if (channel_type_ == AnalogChannel)
+ result = dynamic_pointer_cast<Analog>(data_);
+
+ return result;
+}
+
+shared_ptr<data::Logic> SignalBase::logic_data() const
+{
+ shared_ptr<Logic> result = nullptr;
+
+ if (channel_type_ == LogicChannel)
+ result = dynamic_pointer_cast<Logic>(data_);
+
+ if (((conversion_type_ == A2LConversionByTreshold) ||
+ (conversion_type_ == A2LConversionBySchmittTrigger)))
+ result = dynamic_pointer_cast<Logic>(converted_data_);
+
+ return result;
+}
+
+void SignalBase::set_conversion_type(ConversionType t)
+{
+ if (conversion_type_ != NoConversion) {
+ // Wait for the currently ongoing conversion to finish
+ if (conversion_thread_.joinable())
+ conversion_thread_.join();
+
+ // Discard converted data
+ converted_data_.reset();
+ }
+
+ conversion_type_ = t;
+
+ if ((channel_type_ == AnalogChannel) &&
+ ((conversion_type_ == A2LConversionByTreshold) ||
+ (conversion_type_ == A2LConversionBySchmittTrigger))) {
+
+ shared_ptr<Analog> analog_data = dynamic_pointer_cast<Analog>(data_);
+
+ if (analog_data->analog_segments().size() > 0) {
+ AnalogSegment *asegment = analog_data->analog_segments().front().get();
+
+ // Begin conversion of existing sample data
+ // TODO Support for multiple segments is missing
+ on_samples_added(asegment, 0, 0);
+ }
+ }
+
+ conversion_type_changed(t);
+}
+
+#ifdef ENABLE_DECODE
+bool SignalBase::is_decode_signal() const
+{
+ return (decoder_stack_ != nullptr);
+}
+
+shared_ptr<pv::data::DecoderStack> SignalBase::decoder_stack() const
+{
+ return decoder_stack_;
+}
+
+void SignalBase::set_decoder_stack(shared_ptr<pv::data::DecoderStack>
+ decoder_stack)
+{
+ decoder_stack_ = decoder_stack;
+}
+#endif
+
+void SignalBase::save_settings(QSettings &settings) const
+{
+ settings.setValue("name", name());
+ settings.setValue("enabled", enabled());
+ settings.setValue("colour", colour());
+ settings.setValue("conversion_type", (int)conversion_type_);
+}
+
+void SignalBase::restore_settings(QSettings &settings)
+{
+ set_name(settings.value("name").toString());
+ set_enabled(settings.value("enabled").toBool());
+ set_colour(settings.value("colour").value<QColor>());
+ set_conversion_type((ConversionType)settings.value("conversion_type").toInt());
+}
+
+uint8_t SignalBase::convert_a2l_threshold(float threshold, float value)
+{
+ return (value >= threshold) ? 1 : 0;
+}
+
+uint8_t SignalBase::convert_a2l_schmitt_trigger(float lo_thr, float hi_thr, float value)
+{
+ static uint8_t state = 0;
+
+ if (value < lo_thr)
+ state = 0;
+ else if (value > hi_thr)
+ state = 1;
+
+ return state;
+}
+
+void SignalBase::conversion_thread_proc(QObject* segment, uint64_t start_sample,
+ uint64_t end_sample)
+{
+ const uint64_t block_size = 4096;
+
+ // TODO Support for multiple segments is missing
+
+ if ((channel_type_ == AnalogChannel) &&
+ ((conversion_type_ == A2LConversionByTreshold) ||
+ (conversion_type_ == A2LConversionBySchmittTrigger))) {
+
+ AnalogSegment *asegment = qobject_cast<AnalogSegment*>(segment);
+
+ // Create the logic data container if needed
+ shared_ptr<Logic> logic_data;
+ if (!converted_data_) {
+ logic_data = make_shared<Logic>(1); // Contains only one channel
+ converted_data_ = logic_data;
+ } else
+ logic_data = dynamic_pointer_cast<Logic>(converted_data_);
+
+ // Create the initial logic data segment if needed
+ if (logic_data->segments().size() == 0) {
+ shared_ptr<LogicSegment> lsegment =
+ make_shared<LogicSegment>(*logic_data.get(), 1, asegment->samplerate());
+ logic_data->push_segment(lsegment);
+ }
+
+ LogicSegment *lsegment = dynamic_cast<LogicSegment*>(logic_data->segments().front().get());
+
+ // start_sample=end_sample=0 means we need to figure out the unprocessed range
+ if ((start_sample == 0) && (end_sample == 0)) {
+ start_sample = lsegment->get_sample_count();
+ end_sample = asegment->get_sample_count();
+ }
+
+ if (start_sample == end_sample)
+ return; // Nothing to do
+
+ float min_v, max_v;
+ tie(min_v, max_v) = asegment->get_min_max();
+
+ vector<uint8_t> lsamples;
+ lsamples.reserve(block_size);
+
+ uint64_t i = start_sample;
+
+ if (conversion_type_ == A2LConversionByTreshold) {
+ const float threshold = (min_v + max_v) * 0.5; // middle between min and max
+
+ // Convert as many sample blocks as we can
+ while ((end_sample - i) > block_size) {
+ const float* asamples = asegment->get_samples(i, i + block_size);
+ for (uint32_t j = 0; j < block_size; j++)
+ lsamples.push_back(convert_a2l_threshold(threshold, asamples[j]));
+ lsegment->append_payload(lsamples.data(), lsamples.size());
+ i += block_size;
+ lsamples.clear();
+ delete[] asamples;
+ }
+
+ // Convert remaining samples
+ const float* asamples = asegment->get_samples(i, end_sample);
+ for (uint32_t j = 0; j < (end_sample - i); j++)
+ lsamples.push_back(convert_a2l_threshold(threshold, asamples[j]));
+ lsegment->append_payload(lsamples.data(), lsamples.size());
+ delete[] asamples;
+ }
+
+ if (conversion_type_ == A2LConversionBySchmittTrigger) {
+ const float amplitude = max_v - min_v;
+ const float lo_thr = min_v + (amplitude * 0.1); // 10% above min
+ const float hi_thr = max_v - (amplitude * 0.1); // 10% below max
+
+ // Convert as many sample blocks as we can
+ while ((end_sample - i) > block_size) {
+ const float* asamples = asegment->get_samples(i, i + block_size);
+ for (uint32_t j = 0; j < block_size; j++)
+ lsamples.push_back(convert_a2l_schmitt_trigger(lo_thr, hi_thr, asamples[j]));
+ lsegment->append_payload(lsamples.data(), lsamples.size());
+ i += block_size;
+ lsamples.clear();
+ delete[] asamples;
+ }
+
+ // Convert remaining samples
+ const float* asamples = asegment->get_samples(i, end_sample);
+ for (uint32_t j = 0; j < (end_sample - i); j++)
+ lsamples.push_back(convert_a2l_schmitt_trigger(lo_thr, hi_thr, asamples[j]));
+ lsegment->append_payload(lsamples.data(), lsamples.size());
+ delete[] asamples;
+ }
+ }
+}
+
+void SignalBase::on_samples_cleared()
+{
+ if (converted_data_)
+ converted_data_->clear();
+}
+
+void SignalBase::on_samples_added(QObject* segment, uint64_t start_sample,
+ uint64_t end_sample)
+{
+ (void)segment;
+ (void)start_sample;
+ (void)end_sample;
+
+ if (conversion_type_ != NoConversion) {
+
+ // Wait for the currently ongoing conversion to finish
+ if (conversion_thread_.joinable())
+ conversion_thread_.join();
+
+ conversion_thread_ = std::thread(
+ &SignalBase::conversion_thread_proc, this,
+ segment, start_sample, end_sample);
+ }
+}
+
+void SignalBase::on_capture_state_changed(int state)
+{
+ return;
+ if (state == Session::Stopped) {
+ // Make sure that all data is converted
+
+ if ((channel_type_ == AnalogChannel) &&
+ ((conversion_type_ == A2LConversionByTreshold) ||
+ (conversion_type_ == A2LConversionBySchmittTrigger))) {
+
+ shared_ptr<Analog> analog_data = dynamic_pointer_cast<Analog>(data_);
+
+ if (analog_data->analog_segments().size() > 0) {
+ // TODO Support for multiple segments is missing
+ AnalogSegment *asegment = analog_data->analog_segments().front().get();
+
+ if (conversion_thread_.joinable())
+ conversion_thread_.join();
+
+ conversion_thread_ = std::thread(
+ &SignalBase::conversion_thread_proc, this, asegment, 0, 0);
+ }
+ }
+ }
+}
+
} // namespace data
} // namespace pv
projects / pulseview.git / blobdiff