2 * This file is part of the PulseView project.
4 * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef PULSEVIEW_PV_DATA_DECODESIGNAL_HPP
21 #define PULSEVIEW_PV_DATA_DECODESIGNAL_HPP
25 #include <condition_variable>
26 #include <unordered_set>
32 #include <libsigrokdecode/libsigrokdecode.h>
34 #include <pv/data/decode/decoder.hpp>
35 #include <pv/data/decode/row.hpp>
36 #include <pv/data/decode/rowdata.hpp>
37 #include <pv/data/signalbase.hpp>
38 #include <pv/util.hpp>
41 using std::condition_variable;
46 using std::shared_ptr;
48 using pv::data::decode::Annotation;
49 using pv::data::decode::DecodeBinaryClassInfo;
50 using pv::data::decode::DecodeChannel;
51 using pv::data::decode::Decoder;
52 using pv::data::decode::Row;
53 using pv::data::decode::RowData;
65 struct DecodeBinaryDataChunk
68 uint64_t sample; ///< Number of the sample where this data was provided by the PD
71 struct DecodeBinaryClass
73 const Decoder* decoder;
74 const DecodeBinaryClassInfo* info;
75 deque<DecodeBinaryDataChunk> chunks;
80 // Constructor is a no-op
82 // Copy constructor is a no-op
83 DecodeSegment(DecodeSegment&& ds) { (void)ds; };
85 map<const Row*, RowData> annotation_rows; // Note: Row is the same for all segments while RowData is not
86 pv::util::Timestamp start_time;
88 int64_t samples_decoded_incl, samples_decoded_excl;
89 vector<DecodeBinaryClass> binary_classes;
90 deque<const Annotation*> all_annotations;
93 class DecodeSignal : public SignalBase
98 static const double DecodeMargin;
99 static const double DecodeThreshold;
100 static const int64_t DecodeChunkLength;
103 DecodeSignal(pv::Session &session);
104 virtual ~DecodeSignal();
106 bool is_decode_signal() const;
107 const vector< shared_ptr<Decoder> >& decoder_stack() const;
109 void stack_decoder(const srd_decoder *decoder, bool restart_decode=true);
110 void remove_decoder(int index);
111 bool toggle_decoder_visibility(int index);
113 void reset_decode(bool shutting_down = false);
116 void resume_decode();
117 bool is_paused() const;
118 QString error_message() const;
120 const vector<decode::DecodeChannel> get_channels() const;
121 void auto_assign_signals(const shared_ptr<Decoder> dec);
122 void assign_signal(const uint16_t channel_id, const SignalBase *signal);
123 int get_assigned_signal_count() const;
125 void set_initial_pin_state(const uint16_t channel_id, const int init_state);
127 virtual double get_samplerate() const;
128 const pv::util::Timestamp start_time() const;
131 * Returns the number of samples that can be worked on,
132 * i.e. the number of samples where samples are available
133 * for all connected channels.
135 int64_t get_working_sample_count(uint32_t segment_id) const;
138 * Returns the number of processed samples. Newly generated annotations will
139 * have sample numbers greater than this.
141 * If include_processing is true, this number will include the ones being
142 * currently processed (in case the decoder stack is running). In this case,
143 * newly generated annotations will have sample numbers smaller than this.
145 int64_t get_decoded_sample_count(uint32_t segment_id,
146 bool include_processing) const;
148 vector<Row*> get_rows(bool visible_only=false);
149 vector<const Row*> get_rows(bool visible_only=false) const;
151 uint64_t get_annotation_count(const Row* row, uint32_t segment_id) const;
154 * Extracts annotations from a single row into a vector.
155 * Note: The annotations may be unsorted and only annotations that fully
156 * fit into the sample range are considered.
158 void get_annotation_subset(deque<const Annotation*> &dest, const Row* row,
159 uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const;
162 * Extracts annotations from all rows into a vector.
163 * Note: The annotations may be unsorted and only annotations that fully
164 * fit into the sample range are considered.
166 void get_annotation_subset(deque<const Annotation*> &dest, uint32_t segment_id,
167 uint64_t start_sample, uint64_t end_sample) const;
169 uint32_t get_binary_data_chunk_count(uint32_t segment_id,
170 const Decoder* dec, uint32_t bin_class_id) const;
171 void get_binary_data_chunk(uint32_t segment_id, const Decoder* dec,
172 uint32_t bin_class_id, uint32_t chunk_id, const vector<uint8_t> **dest,
174 void get_merged_binary_data_chunks_by_sample(uint32_t segment_id,
175 const Decoder* dec, uint32_t bin_class_id,
176 uint64_t start_sample, uint64_t end_sample,
177 vector<uint8_t> *dest) const;
178 void get_merged_binary_data_chunks_by_offset(uint32_t segment_id,
179 const Decoder* dec, uint32_t bin_class_id,
180 uint64_t start, uint64_t end,
181 vector<uint8_t> *dest) const;
182 const DecodeBinaryClass* get_binary_data_class(uint32_t segment_id,
183 const Decoder* dec, uint32_t bin_class_id) const;
185 const deque<const Annotation*>* get_all_annotations_by_segment(uint32_t segment_id) const;
187 virtual void save_settings(QSettings &settings) const;
189 virtual void restore_settings(QSettings &settings);
192 void set_error_message(QString msg);
194 uint32_t get_input_segment_count() const;
195 double get_input_samplerate(uint32_t segment_id) const;
197 Decoder* get_decoder_by_instance(const srd_decoder *const srd_dec);
199 void update_channel_list();
201 void commit_decoder_channels();
203 void mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end);
204 void logic_mux_proc();
206 void decode_data(const int64_t abs_start_samplenum, const int64_t sample_count,
207 const shared_ptr<LogicSegment> input_segment);
210 void start_srd_session();
211 void terminate_srd_session();
212 void stop_srd_session();
214 void connect_input_notifiers();
216 void create_decode_segment();
218 static void annotation_callback(srd_proto_data *pdata, void *decode_signal);
219 static void binary_callback(srd_proto_data *pdata, void *decode_signal);
222 void decoder_stacked(void* decoder); ///< decoder is of type decode::Decoder*
223 void decoder_removed(void* decoder); ///< decoder is of type decode::Decoder*
224 void new_annotations(); // TODO Supply segment for which they belong to
225 void new_binary_data(unsigned int segment_id, void* decoder, unsigned int bin_class_id);
227 void decode_finished();
228 void channels_updated();
229 void annotation_visibility_changed();
232 void on_capture_state_changed(int state);
233 void on_data_cleared();
234 void on_data_received();
236 void on_annotation_visibility_changed();
239 pv::Session &session_;
241 vector<decode::DecodeChannel> channels_;
243 struct srd_session *srd_session_;
245 shared_ptr<Logic> logic_mux_data_;
246 uint32_t logic_mux_unit_size_;
247 bool logic_mux_data_invalid_;
249 vector< shared_ptr<Decoder> > stack_;
250 bool stack_config_changed_;
252 vector<DecodeSegment> segments_;
253 uint32_t current_segment_id_;
255 mutable mutex input_mutex_, output_mutex_, decode_pause_mutex_, logic_mux_mutex_;
256 mutable condition_variable decode_input_cond_, decode_pause_cond_,
259 std::thread decode_thread_, logic_mux_thread_;
260 atomic<bool> decode_interrupt_, logic_mux_interrupt_;
264 QString error_message_;
270 #endif // PULSEVIEW_PV_DATA_DECODESIGNAL_HPP