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_;
74 class DecodeSignal : public SignalBase
79 static const double DecodeMargin;
80 static const double DecodeThreshold;
81 static const int64_t DecodeChunkLength;
84 DecodeSignal(pv::Session &session);
85 virtual ~DecodeSignal();
87 bool is_decode_signal() const;
88 const vector< shared_ptr<data::decode::Decoder> >& decoder_stack() const;
90 void stack_decoder(const srd_decoder *decoder);
91 void remove_decoder(int index);
92 bool toggle_decoder_visibility(int index);
96 QString error_message() const;
98 const vector<data::DecodeChannel> get_channels() const;
99 void auto_assign_signals(const shared_ptr<pv::data::decode::Decoder> dec);
100 void assign_signal(const uint16_t channel_id, const SignalBase *signal);
101 int get_assigned_signal_count() const;
103 void set_initial_pin_state(const uint16_t channel_id, const int init_state);
105 double samplerate() const;
106 const pv::util::Timestamp& start_time() const;
109 * Returns the number of samples that can be worked on,
110 * i.e. the number of samples where samples are available
111 * for all connected channels.
113 int64_t get_working_sample_count() const;
115 int64_t get_decoded_sample_count() const;
117 vector<decode::Row> visible_rows() const;
120 * Extracts sorted annotations between two period into a vector.
122 void get_annotation_subset(
123 vector<pv::data::decode::Annotation> &dest,
124 const decode::Row &row, uint64_t start_sample,
125 uint64_t end_sample) const;
127 virtual void save_settings(QSettings &settings) const;
129 virtual void restore_settings(QSettings &settings);
132 void update_channel_list();
134 void commit_decoder_channels();
136 void mux_logic_samples(const int64_t start, const int64_t end);
138 void logic_mux_proc();
140 void query_input_metadata();
142 void decode_data(const int64_t abs_start_samplenum, const int64_t sample_count);
146 void start_srd_session();
147 void stop_srd_session();
149 void connect_input_notifiers();
151 static void annotation_callback(srd_proto_data *pdata, void *decode_signal);
154 void new_annotations();
155 void decode_finished();
156 void channels_updated();
159 void on_capture_state_changed(int state);
160 void on_data_cleared();
161 void on_data_received();
164 pv::Session &session_;
166 vector<data::DecodeChannel> channels_;
168 struct srd_session *srd_session_;
170 shared_ptr<Logic> logic_mux_data_;
171 shared_ptr<LogicSegment> logic_mux_segment_;
172 bool logic_mux_data_invalid_;
174 pv::util::Timestamp start_time_;
177 int64_t samples_decoded_;
179 vector< shared_ptr<decode::Decoder> > stack_;
180 map<const decode::Row, decode::RowData> rows_;
181 map<pair<const srd_decoder*, int>, decode::Row> class_rows_;
183 mutable mutex input_mutex_, output_mutex_, logic_mux_mutex_;
184 mutable condition_variable decode_input_cond_, logic_mux_cond_;
185 bool frame_complete_;
187 std::thread decode_thread_, logic_mux_thread_;
188 atomic<bool> decode_interrupt_, logic_mux_interrupt_;
190 QString error_message_;
196 #endif // PULSEVIEW_PV_DATA_DECODESIGNAL_HPP