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bf0edd2b SA |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
efdec55a | 18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
bf0edd2b SA |
19 | */ |
20 | ||
21 | #ifndef PULSEVIEW_PV_DATA_SIGNALBASE_HPP | |
22 | #define PULSEVIEW_PV_DATA_SIGNALBASE_HPP | |
23 | ||
27a3f09b | 24 | #include <atomic> |
554af71b | 25 | #include <deque> |
27a3f09b | 26 | #include <condition_variable> |
12ea3616 | 27 | #include <thread> |
52c900ac | 28 | #include <vector> |
12ea3616 | 29 | |
bf0edd2b SA |
30 | #include <QColor> |
31 | #include <QObject> | |
6de38b17 | 32 | #include <QSettings> |
bf0edd2b | 33 | #include <QString> |
932bc246 | 34 | #include <QTimer> |
52c900ac | 35 | #include <QVariant> |
bf0edd2b SA |
36 | |
37 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
38 | ||
720f4762 SA |
39 | #include "segment.hpp" |
40 | ||
27a3f09b SA |
41 | using std::atomic; |
42 | using std::condition_variable; | |
554af71b SA |
43 | using std::deque; |
44 | using std::enable_shared_from_this; | |
52c900ac | 45 | using std::map; |
27a3f09b | 46 | using std::mutex; |
52c900ac | 47 | using std::pair; |
6f925ba9 | 48 | using std::shared_ptr; |
52c900ac | 49 | using std::vector; |
bf0edd2b SA |
50 | |
51 | namespace sigrok { | |
52 | class Channel; | |
bf0edd2b SA |
53 | } |
54 | ||
55 | namespace pv { | |
56 | namespace data { | |
57 | ||
cbd2a2de | 58 | class Analog; |
63253d72 | 59 | class AnalogSegment; |
bb7dd726 | 60 | class DecoderStack; |
cbd2a2de | 61 | class Logic; |
63253d72 | 62 | class LogicSegment; |
1f3033cb | 63 | class Segment; |
554af71b | 64 | class SignalBase; |
cbd2a2de SA |
65 | class SignalData; |
66 | ||
554af71b SA |
67 | class SignalGroup : public QObject |
68 | { | |
69 | Q_OBJECT | |
70 | ||
71 | public: | |
72 | SignalGroup(const QString& name); | |
73 | ||
74 | void append_signal(shared_ptr<SignalBase> signal); | |
75 | void remove_signal(shared_ptr<SignalBase> signal); | |
76 | deque<shared_ptr<SignalBase>> signals() const; | |
77 | void clear(); | |
78 | ||
79 | const QString name() const; | |
80 | ||
81 | private: | |
82 | deque<shared_ptr<SignalBase>> signals_; | |
83 | QString name_; | |
84 | }; | |
85 | ||
86 | ||
87 | class SignalBase : public QObject, public enable_shared_from_this<SignalBase> | |
bf0edd2b SA |
88 | { |
89 | Q_OBJECT | |
90 | ||
472a80c5 SA |
91 | public: |
92 | enum ChannelType { | |
64845ac2 SA |
93 | AnalogChannel = 1, ///< Analog data |
94 | LogicChannel, ///< Logic data | |
95 | DecodeChannel, ///< Protocol Decoder channel using libsigrokdecode | |
64845ac2 | 96 | MathChannel ///< Virtual channel generated by math operations |
472a80c5 SA |
97 | }; |
98 | ||
12ea3616 SA |
99 | enum ConversionType { |
100 | NoConversion = 0, | |
b9cdbe03 | 101 | A2LConversionByThreshold = 1, |
12ea3616 SA |
102 | A2LConversionBySchmittTrigger = 2 |
103 | }; | |
104 | ||
f0f9c856 SA |
105 | /** |
106 | * Conversion presets range from -1 to n, where 1..n are dependent on | |
107 | * the conversion these presets apply to. -1 and 0 have fixed meanings, | |
108 | * however. | |
109 | */ | |
110 | enum ConversionPreset { | |
111 | NoPreset = -1, ///< Conversion uses custom values | |
112 | DynamicPreset = 0 ///< Conversion uses calculated values | |
113 | }; | |
114 | ||
516b0c41 SA |
115 | static const QColor AnalogSignalColors[8]; |
116 | static const QColor LogicSignalColors[10]; | |
117 | ||
bf0edd2b | 118 | private: |
641574bc | 119 | static const int ColorBGAlpha; |
bcaf0334 | 120 | static const uint64_t ConversionBlockSize; |
932bc246 | 121 | static const uint32_t ConversionDelay; |
bf0edd2b SA |
122 | |
123 | public: | |
472a80c5 | 124 | SignalBase(shared_ptr<sigrok::Channel> channel, ChannelType channel_type); |
12ea3616 | 125 | virtual ~SignalBase(); |
bf0edd2b SA |
126 | |
127 | public: | |
128 | /** | |
129 | * Returns the underlying SR channel. | |
999869aa | 130 | * Generated channels don't have a SR channel. |
bf0edd2b | 131 | */ |
6f925ba9 | 132 | shared_ptr<sigrok::Channel> channel() const; |
bf0edd2b | 133 | |
4640a84e SA |
134 | /** |
135 | * Returns whether this channel is generated or a channel associated with the device. | |
136 | */ | |
137 | bool is_generated() const; | |
138 | ||
bf0edd2b SA |
139 | /** |
140 | * Returns enabled status of this channel. | |
141 | */ | |
142 | bool enabled() const; | |
143 | ||
144 | /** | |
145 | * Sets the enabled status of this channel. | |
146 | * @param value Boolean value to set. | |
147 | */ | |
148 | void set_enabled(bool value); | |
149 | ||
150 | /** | |
151 | * Gets the type of this channel. | |
152 | */ | |
472a80c5 | 153 | ChannelType type() const; |
bf0edd2b SA |
154 | |
155 | /** | |
27a3f09b SA |
156 | * Gets the index number of this channel, i.e. a unique ID assigned by |
157 | * the device driver. | |
bf0edd2b SA |
158 | */ |
159 | unsigned int index() const; | |
160 | ||
999869aa SA |
161 | /** |
162 | * Sets the index number of this channel, i.e. a unique ID assigned by | |
163 | * the device driver or the logic bit index (see below). | |
164 | * Only use immediately after creating the signal and leave it untouched after. | |
165 | */ | |
166 | void set_index(unsigned int index); | |
167 | ||
27a3f09b SA |
168 | /** |
169 | * Returns which bit of a given sample for this signal represents the | |
170 | * signal itself. This is relevant for compound signals like logic, | |
171 | * rather meaningless for everything else but provided in case there | |
172 | * is a conversion active that provides a digital signal using bit #0. | |
173 | */ | |
174 | unsigned int logic_bit_index() const; | |
175 | ||
554af71b SA |
176 | /** |
177 | * Sets the signal group this signal belongs to | |
178 | */ | |
179 | void set_group(SignalGroup* group); | |
180 | ||
181 | /** | |
182 | * Returns the signal group this signal belongs to or nullptr if none | |
183 | */ | |
184 | SignalGroup* group() const; | |
185 | ||
bf0edd2b SA |
186 | /** |
187 | * Gets the name of this signal. | |
188 | */ | |
189 | QString name() const; | |
190 | ||
050b5a6c | 191 | /** |
999869aa | 192 | * Gets the internal name of this signal, i.e. how the device/generator calls it. |
050b5a6c SA |
193 | */ |
194 | QString internal_name() const; | |
195 | ||
999869aa SA |
196 | /** |
197 | * Sets the internal name of this signal, i.e. how the device/generator calls it. | |
198 | * Only use immediately after creating the signal and leave it untouched after. | |
199 | */ | |
200 | void set_internal_name(QString internal_name); | |
201 | ||
b5d20c6d SA |
202 | /** |
203 | * Produces a string for this signal that can be used for display, | |
204 | * i.e. it contains one or both of the signal/internal names. | |
205 | */ | |
206 | QString display_name() const; | |
207 | ||
bf0edd2b SA |
208 | /** |
209 | * Sets the name of the signal. | |
210 | */ | |
211 | virtual void set_name(QString name); | |
212 | ||
213 | /** | |
641574bc | 214 | * Get the color of the signal. |
bf0edd2b | 215 | */ |
641574bc | 216 | QColor color() const; |
bf0edd2b SA |
217 | |
218 | /** | |
641574bc | 219 | * Set the color of the signal. |
bf0edd2b | 220 | */ |
641574bc | 221 | void set_color(QColor color); |
bf0edd2b SA |
222 | |
223 | /** | |
641574bc | 224 | * Get the background color of the signal. |
bf0edd2b | 225 | */ |
641574bc | 226 | QColor bgcolor() const; |
bf0edd2b | 227 | |
cbd2a2de SA |
228 | /** |
229 | * Sets the internal data object. | |
230 | */ | |
6f925ba9 | 231 | void set_data(shared_ptr<pv::data::SignalData> data); |
cbd2a2de | 232 | |
464f05d5 SA |
233 | /** |
234 | * Clears all sample data and removes all associated segments. | |
235 | */ | |
236 | void clear_sample_data(); | |
237 | ||
cbd2a2de SA |
238 | /** |
239 | * Get the internal data as analog data object in case of analog type. | |
240 | */ | |
6f925ba9 | 241 | shared_ptr<pv::data::Analog> analog_data() const; |
cbd2a2de SA |
242 | |
243 | /** | |
244 | * Get the internal data as logic data object in case of logic type. | |
245 | */ | |
6f925ba9 | 246 | shared_ptr<pv::data::Logic> logic_data() const; |
cbd2a2de | 247 | |
558ad6ce SA |
248 | /** |
249 | * Determines whether a given segment is complete (i.e. end-of-frame has | |
250 | * been seen). It only considers the original data, not the converted data. | |
251 | */ | |
252 | bool segment_is_complete(uint32_t segment_id) const; | |
253 | ||
d13d95b3 SA |
254 | /** |
255 | * Determines whether this signal has any sample data at all. | |
256 | */ | |
257 | bool has_samples() const; | |
258 | ||
eeceee99 SA |
259 | /** |
260 | * Returns the sample rate for this signal. | |
261 | */ | |
85125b0f | 262 | virtual double get_samplerate() const; |
eeceee99 | 263 | |
06b6ce26 SA |
264 | /** |
265 | * Queries the kind of conversion performed on this channel. | |
266 | */ | |
267 | ConversionType get_conversion_type() const; | |
268 | ||
12ea3616 SA |
269 | /** |
270 | * Changes the kind of conversion performed on this channel. | |
52c900ac SA |
271 | * |
272 | * Restarts the conversion. | |
12ea3616 SA |
273 | */ |
274 | void set_conversion_type(ConversionType t); | |
275 | ||
52c900ac SA |
276 | /** |
277 | * Returns all currently known conversion options | |
278 | */ | |
279 | map<QString, QVariant> get_conversion_options() const; | |
280 | ||
281 | /** | |
282 | * Sets the value of a particular conversion option | |
283 | * Note: it is not checked whether the option is valid for the | |
284 | * currently conversion. If it's not, it will be silently ignored. | |
285 | * | |
286 | * Does not restart the conversion. | |
287 | * | |
288 | * @return true if the value is different from before, false otherwise | |
289 | */ | |
290 | bool set_conversion_option(QString key, QVariant value); | |
291 | ||
292 | /** | |
293 | * Returns the threshold(s) used for conversions, if applicable. | |
294 | * The resulting thresholds are given for the chosen conversion, so you | |
295 | * can query thresholds also for conversions which aren't currently active. | |
296 | * | |
297 | * If you want the thresholds for the currently active conversion, | |
298 | * call it either with NoConversion or no parameter. | |
299 | * | |
300 | * @param t the type of conversion to obtain the thresholds for, leave | |
301 | * empty or use NoConversion if you want to query the currently | |
302 | * used conversion | |
303 | * | |
304 | * @param always_custom ignore the currently selected preset and always | |
305 | * return the custom values for this conversion, using 0 if those | |
306 | * aren't set | |
307 | * | |
308 | * @return a list of threshold(s) used by the chosen conversion | |
309 | */ | |
310 | vector<double> get_conversion_thresholds( | |
311 | const ConversionType t = NoConversion, const bool always_custom=false) const; | |
312 | ||
313 | /** | |
314 | * Provides all conversion presets available for the currently active | |
315 | * conversion. | |
316 | * | |
317 | * @return a list of description/ID pairs for each preset | |
318 | */ | |
319 | vector<pair<QString, int> > get_conversion_presets() const; | |
320 | ||
321 | /** | |
322 | * Determines the ID of the currently used conversion preset, which is only | |
323 | * valid for the currently available conversion presets. It is therefore | |
324 | * suggested to call @ref get_conversion_presets right before calling this. | |
325 | * | |
326 | * @return the ID of the currently used conversion preset. -1 if no preset | |
327 | * is used. In that case, a user setting is used instead. | |
328 | */ | |
f0f9c856 | 329 | ConversionPreset get_current_conversion_preset() const; |
52c900ac SA |
330 | |
331 | /** | |
332 | * Sets the conversion preset to be used. | |
333 | * | |
334 | * Does not restart the conversion. | |
335 | * | |
336 | * @param id the id of the preset to use | |
337 | */ | |
f0f9c856 | 338 | void set_conversion_preset(ConversionPreset id); |
52c900ac | 339 | |
bb7dd726 | 340 | #ifdef ENABLE_DECODE |
47747218 | 341 | bool is_decode_signal() const; |
bb7dd726 | 342 | #endif |
cbd2a2de | 343 | |
47747218 | 344 | virtual void save_settings(QSettings &settings) const; |
47747218 | 345 | virtual void restore_settings(QSettings &settings); |
6de38b17 | 346 | |
932bc246 | 347 | void start_conversion(bool delayed_start=false); |
52c900ac | 348 | |
12ea3616 | 349 | private: |
ccccb914 SA |
350 | bool conversion_is_a2l() const; |
351 | ||
12ea3616 | 352 | uint8_t convert_a2l_threshold(float threshold, float value); |
5d9fe823 SA |
353 | uint8_t convert_a2l_schmitt_trigger(float lo_thr, float hi_thr, |
354 | float value, uint8_t &state); | |
12ea3616 | 355 | |
eb8f22c0 SA |
356 | void convert_single_segment_range(shared_ptr<AnalogSegment> asegment, |
357 | shared_ptr<LogicSegment> lsegment, uint64_t start_sample, uint64_t end_sample); | |
358 | void convert_single_segment(shared_ptr<AnalogSegment> asegment, | |
359 | shared_ptr<LogicSegment> lsegment); | |
63253d72 | 360 | void conversion_thread_proc(); |
27a3f09b | 361 | |
27a3f09b | 362 | void stop_conversion(); |
12ea3616 | 363 | |
bf0edd2b SA |
364 | Q_SIGNALS: |
365 | void enabled_changed(const bool &value); | |
366 | ||
367 | void name_changed(const QString &name); | |
368 | ||
641574bc | 369 | void color_changed(const QColor &color); |
bf0edd2b | 370 | |
12ea3616 SA |
371 | void conversion_type_changed(const ConversionType t); |
372 | ||
eae3bbbb SA |
373 | void samples_cleared(); |
374 | ||
7f894d95 | 375 | void samples_added(uint64_t segment_id, uint64_t start_sample, |
eae3bbbb SA |
376 | uint64_t end_sample); |
377 | ||
c6d9cf65 SA |
378 | void min_max_changed(float min, float max); |
379 | ||
12ea3616 SA |
380 | private Q_SLOTS: |
381 | void on_samples_cleared(); | |
382 | ||
720f4762 | 383 | void on_samples_added(SharedPtrToSegment segment, uint64_t start_sample, |
12ea3616 SA |
384 | uint64_t end_sample); |
385 | ||
8e15445c SA |
386 | void on_min_max_changed(float min, float max); |
387 | ||
12ea3616 SA |
388 | void on_capture_state_changed(int state); |
389 | ||
932bc246 SA |
390 | void on_delayed_conversion_start(); |
391 | ||
ad908057 | 392 | protected: |
6f925ba9 | 393 | shared_ptr<sigrok::Channel> channel_; |
472a80c5 | 394 | ChannelType channel_type_; |
554af71b | 395 | SignalGroup* group_; |
6f925ba9 | 396 | shared_ptr<pv::data::SignalData> data_; |
12ea3616 | 397 | shared_ptr<pv::data::SignalData> converted_data_; |
06b6ce26 | 398 | ConversionType conversion_type_; |
52c900ac SA |
399 | map<QString, QVariant> conversion_options_; |
400 | ||
401 | float min_value_, max_value_; | |
cbd2a2de | 402 | |
12ea3616 | 403 | std::thread conversion_thread_; |
27a3f09b SA |
404 | atomic<bool> conversion_interrupt_; |
405 | mutex conversion_input_mutex_; | |
406 | condition_variable conversion_input_cond_; | |
932bc246 | 407 | QTimer delayed_conversion_starter_; |
12ea3616 | 408 | |
050b5a6c | 409 | QString internal_name_, name_; |
641574bc | 410 | QColor color_, bgcolor_; |
999869aa | 411 | unsigned int index_; |
bf0edd2b SA |
412 | }; |
413 | ||
414 | } // namespace data | |
415 | } // namespace pv | |
416 | ||
417 | #endif // PULSEVIEW_PV_DATA_SIGNALBASE_HPP |