#ifndef PULSEVIEW_PV_DATA_DECODESIGNAL_HPP
#define PULSEVIEW_PV_DATA_DECODESIGNAL_HPP
+#include <atomic>
+#include <condition_variable>
#include <unordered_set>
#include <vector>
+#include <QSettings>
#include <QString>
#include <libsigrokdecode/libsigrokdecode.h>
+#include <pv/data/decode/row.hpp>
+#include <pv/data/decode/rowdata.hpp>
#include <pv/data/signalbase.hpp>
+#include <pv/util.hpp>
-using std::list;
-using std::unordered_set;
+using std::atomic;
+using std::condition_variable;
+using std::map;
+using std::mutex;
+using std::pair;
using std::vector;
using std::shared_ptr;
namespace pv {
+class Session;
+
namespace data {
namespace decode {
class Row;
}
-class DecoderStack;
class Logic;
+class LogicSegment;
class SignalBase;
class SignalData;
struct DecodeChannel
{
- uint16_t id; // Also tells which bit within a sample represents this channel
+ uint16_t id; ///< Global numerical ID for the decode channels in the stack
+ uint16_t bit_id; ///< Tells which bit within a sample represents this channel
const bool is_optional;
const pv::data::SignalBase *assigned_signal;
const QString name, desc;
const srd_channel *pdch_;
};
+struct DecodeSegment
+{
+ map<const decode::Row, decode::RowData> annotation_rows;
+ pv::util::Timestamp start_time;
+ double samplerate;
+ int64_t samples_decoded_incl, samples_decoded_excl;
+};
+
class DecodeSignal : public SignalBase
{
Q_OBJECT
+private:
+ static const double DecodeMargin;
+ static const double DecodeThreshold;
+ static const int64_t DecodeChunkLength;
+
public:
- DecodeSignal(shared_ptr<pv::data::DecoderStack> decoder_stack,
- const unordered_set< shared_ptr<data::SignalBase> > &all_signals);
+ DecodeSignal(pv::Session &session);
virtual ~DecodeSignal();
bool is_decode_signal() const;
- shared_ptr<data::DecoderStack> decoder_stack() const;
- const list< shared_ptr<data::decode::Decoder> >& decoder_stack_list() const;
+ const vector< shared_ptr<data::decode::Decoder> >& decoder_stack() const;
- void stack_decoder(srd_decoder *decoder);
+ void stack_decoder(const srd_decoder *decoder);
void remove_decoder(int index);
bool toggle_decoder_visibility(int index);
+ void reset_decode(bool shutting_down = false);
+ void begin_decode();
QString error_message() const;
- const list<data::DecodeChannel> get_channels() const;
- void auto_assign_signals();
+ const vector<data::DecodeChannel> get_channels() const;
+ void auto_assign_signals(const shared_ptr<pv::data::decode::Decoder> dec);
void assign_signal(const uint16_t channel_id, const SignalBase *signal);
+ int get_assigned_signal_count() const;
void set_initial_pin_state(const uint16_t channel_id, const int init_state);
double samplerate() const;
- const pv::util::Timestamp& start_time() const;
- int64_t sample_count() const;
- int64_t samples_decoded() const;
+ const pv::util::Timestamp start_time() const;
+
+ /**
+ * Returns the number of samples that can be worked on,
+ * i.e. the number of samples where samples are available
+ * for all connected channels.
+ */
+ int64_t get_working_sample_count(uint32_t segment_id) const;
+
+ /**
+ * Returns the number of processed samples. Newly generated annotations will
+ * have sample numbers greater than this.
+ *
+ * If include_processing is true, this number will include the ones being
+ * currently processed (in case the decoder stack is running). In this case,
+ * newly generated annotations will have sample numbers smaller than this.
+ */
+ int64_t get_decoded_sample_count(uint32_t segment_id,
+ bool include_processing) const;
vector<decode::Row> visible_rows() const;
/**
- * Extracts sorted annotations between two period into a vector.
+ * Extracts annotations between the given sample range into a vector.
+ * Note: The annotations are unsorted and only annotations that fully
+ * fit into the sample range are considered.
*/
void get_annotation_subset(
vector<pv::data::decode::Annotation> &dest,
- const decode::Row &row, uint64_t start_sample,
+ const decode::Row &row, uint32_t segment_id, uint64_t start_sample,
uint64_t end_sample) const;
+ virtual void save_settings(QSettings &settings) const;
+
+ virtual void restore_settings(QSettings &settings);
+
private:
+ void set_error_message(QString msg);
+
+ uint32_t get_input_segment_count() const;
+
+ uint32_t get_input_samplerate(uint32_t segment_id) const;
+
void update_channel_list();
+ void commit_decoder_channels();
+
+ void mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end);
+
+ void logic_mux_proc();
+
+ void decode_data(const int64_t abs_start_samplenum, const int64_t sample_count,
+ const shared_ptr<LogicSegment> input_segment);
+
+ void decode_proc();
+
+ void start_srd_session();
+ void terminate_srd_session();
+ void stop_srd_session();
+
+ void connect_input_notifiers();
+
+ void create_decode_segment();
+
+ static void annotation_callback(srd_proto_data *pdata, void *decode_signal);
+
Q_SIGNALS:
- void new_annotations();
+ void new_annotations(); // TODO Supply segment for which they belong to
+ void decode_reset();
+ void decode_finished();
void channels_updated();
private Q_SLOTS:
- void on_new_annotations();
+ void on_capture_state_changed(int state);
+ void on_data_cleared();
+ void on_data_received();
private:
- shared_ptr<pv::data::DecoderStack> decoder_stack_;
- const unordered_set< shared_ptr<data::SignalBase> > &all_signals_;
- list<data::DecodeChannel> channels_;
+ pv::Session &session_;
+
+ vector<data::DecodeChannel> channels_;
+
+ struct srd_session *srd_session_;
+
+ shared_ptr<Logic> logic_mux_data_;
+ uint32_t logic_mux_unit_size_;
+ bool logic_mux_data_invalid_;
+
+ vector< shared_ptr<decode::Decoder> > stack_;
+ bool stack_config_changed_;
+ map<pair<const srd_decoder*, int>, decode::Row> class_rows_;
+
+ vector<DecodeSegment> segments_;
+ uint32_t current_segment_id_;
+
+ mutable mutex input_mutex_, output_mutex_, logic_mux_mutex_;
+ mutable condition_variable decode_input_cond_, logic_mux_cond_;
+
+ std::thread decode_thread_, logic_mux_thread_;
+ atomic<bool> decode_interrupt_, logic_mux_interrupt_;
+
+ QString error_message_;
};
} // namespace data