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
24 #include <condition_variable>
25 #include <unordered_set>
31 #include <libsigrokdecode/libsigrokdecode.h>
33 #include <pv/data/decode/row.hpp>
34 #include <pv/data/decode/rowdata.hpp>
35 #include <pv/data/signalbase.hpp>
36 #include <pv/util.hpp>
39 using std::condition_variable;
44 using std::shared_ptr;
64 uint16_t id; ///< Global numerical ID for the decode channels in the stack
65 uint16_t bit_id; ///< Tells which bit within a sample represents this channel
66 const bool is_optional;
67 const pv::data::SignalBase *assigned_signal;
68 const QString name, desc;
69 int initial_pin_state;
70 const shared_ptr<pv::data::decode::Decoder> decoder_;
71 const srd_channel *pdch_;
76 map<const decode::Row, decode::RowData> annotation_rows;
77 pv::util::Timestamp start_time;
79 int64_t samples_decoded_incl, samples_decoded_excl;
82 class DecodeSignal : public SignalBase
87 static const double DecodeMargin;
88 static const double DecodeThreshold;
89 static const int64_t DecodeChunkLength;
92 DecodeSignal(pv::Session &session);
93 virtual ~DecodeSignal();
95 bool is_decode_signal() const;
96 const vector< shared_ptr<data::decode::Decoder> >& decoder_stack() const;
98 void stack_decoder(const srd_decoder *decoder);
99 void remove_decoder(int index);
100 bool toggle_decoder_visibility(int index);
102 void reset_decode(bool shutting_down = false);
104 QString error_message() const;
106 const vector<data::DecodeChannel> get_channels() const;
107 void auto_assign_signals(const shared_ptr<pv::data::decode::Decoder> dec);
108 void assign_signal(const uint16_t channel_id, const SignalBase *signal);
109 int get_assigned_signal_count() const;
111 void set_initial_pin_state(const uint16_t channel_id, const int init_state);
113 double samplerate() const;
114 const pv::util::Timestamp start_time() const;
117 * Returns the number of samples that can be worked on,
118 * i.e. the number of samples where samples are available
119 * for all connected channels.
121 int64_t get_working_sample_count(uint32_t segment_id) const;
124 * Returns the number of processed samples. Newly generated annotations will
125 * have sample numbers greater than this.
127 * If include_processing is true, this number will include the ones being
128 * currently processed (in case the decoder stack is running). In this case,
129 * newly generated annotations will have sample numbers smaller than this.
131 int64_t get_decoded_sample_count(uint32_t segment_id,
132 bool include_processing) const;
134 vector<decode::Row> visible_rows() const;
137 * Extracts annotations between the given sample range into a vector.
138 * Note: The annotations are unsorted and only annotations that fully
139 * fit into the sample range are considered.
141 void get_annotation_subset(
142 vector<pv::data::decode::Annotation> &dest,
143 const decode::Row &row, uint32_t segment_id, uint64_t start_sample,
144 uint64_t end_sample) const;
146 virtual void save_settings(QSettings &settings) const;
148 virtual void restore_settings(QSettings &settings);
151 void set_error_message(QString msg);
153 uint32_t get_input_segment_count() const;
155 uint32_t get_input_samplerate(uint32_t segment_id) const;
157 void update_channel_list();
159 void commit_decoder_channels();
161 void mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end);
163 void logic_mux_proc();
165 void decode_data(const int64_t abs_start_samplenum, const int64_t sample_count,
166 const shared_ptr<LogicSegment> input_segment);
170 void start_srd_session();
171 void terminate_srd_session();
172 void stop_srd_session();
174 void connect_input_notifiers();
176 void create_decode_segment();
178 static void annotation_callback(srd_proto_data *pdata, void *decode_signal);
181 void new_annotations(); // TODO Supply segment for which they belong to
183 void decode_finished();
184 void channels_updated();
187 void on_capture_state_changed(int state);
188 void on_data_cleared();
189 void on_data_received();
192 pv::Session &session_;
194 vector<data::DecodeChannel> channels_;
196 struct srd_session *srd_session_;
198 shared_ptr<Logic> logic_mux_data_;
199 uint32_t logic_mux_unit_size_;
200 bool logic_mux_data_invalid_;
202 vector< shared_ptr<decode::Decoder> > stack_;
203 bool stack_config_changed_;
204 map<pair<const srd_decoder*, int>, decode::Row> class_rows_;
206 vector<DecodeSegment> segments_;
207 uint32_t current_segment_id_;
209 mutable mutex input_mutex_, output_mutex_, logic_mux_mutex_;
210 mutable condition_variable decode_input_cond_, logic_mux_cond_;
212 std::thread decode_thread_, logic_mux_thread_;
213 atomic<bool> decode_interrupt_, logic_mux_interrupt_;
215 QString error_message_;
221 #endif // PULSEVIEW_PV_DATA_DECODESIGNAL_HPP