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aba1dd16 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
aba1dd16 JH |
18 | */ |
19 | ||
20 | #include <extdef.h> | |
21 | ||
3b68d03d JH |
22 | #include <cassert> |
23 | #include <cmath> | |
8a2fafcc JH |
24 | #include <cstdlib> |
25 | #include <limits> | |
a8fd2759 | 26 | #include <vector> |
aba1dd16 | 27 | |
37b9fed4 | 28 | #include <QApplication> |
73e377fe | 29 | #include <QCheckBox> |
368a37c2 | 30 | #include <QComboBox> |
4cffac16 | 31 | #include <QFormLayout> |
368a37c2 SA |
32 | #include <QGridLayout> |
33 | #include <QLabel> | |
03cc651d | 34 | #include <QString> |
37b9fed4 | 35 | |
2acdb232 | 36 | #include "analogsignal.hpp" |
1573bf16 SA |
37 | #include "logicsignal.hpp" |
38 | #include "view.hpp" | |
39 | ||
2acdb232 | 40 | #include "pv/data/analog.hpp" |
f3d66e52 | 41 | #include "pv/data/analogsegment.hpp" |
a8fd2759 SA |
42 | #include "pv/data/logic.hpp" |
43 | #include "pv/data/logicsegment.hpp" | |
bf0edd2b | 44 | #include "pv/data/signalbase.hpp" |
8de1e1b2 | 45 | #include "pv/globalsettings.hpp" |
aba1dd16 | 46 | |
fe3a1c21 | 47 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 48 | |
6f925ba9 UH |
49 | using std::deque; |
50 | using std::div; | |
51 | using std::div_t; | |
819f4c25 | 52 | using std::max; |
a5d93c27 | 53 | using std::make_pair; |
819f4c25 | 54 | using std::min; |
6f925ba9 UH |
55 | using std::numeric_limits; |
56 | using std::pair; | |
f9abf97e | 57 | using std::shared_ptr; |
a8fd2759 | 58 | using std::vector; |
aba1dd16 JH |
59 | |
60 | namespace pv { | |
f4e57597 | 61 | namespace views { |
1573bf16 | 62 | namespace trace { |
aba1dd16 | 63 | |
568b90d4 JH |
64 | const QColor AnalogSignal::SignalColours[4] = { |
65 | QColor(0xC4, 0xA0, 0x00), // Yellow | |
66 | QColor(0x87, 0x20, 0x7A), // Magenta | |
67 | QColor(0x20, 0x4A, 0x87), // Blue | |
68 | QColor(0x4E, 0x9A, 0x06) // Green | |
69 | }; | |
70 | ||
c063290a UH |
71 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); |
72 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
37b9fed4 | 73 | |
8de1e1b2 UH |
74 | const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); |
75 | ||
fdfd5b3e SA |
76 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) |
77 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
7c68ddae | 78 | |
4cffac16 | 79 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
80 | const int AnalogSignal::MinScaleIndex = -6; |
81 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 82 | |
03cc651d SA |
83 | const int AnalogSignal::InfoTextMarginRight = 20; |
84 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
85 | ||
b86aa8f4 | 86 | AnalogSignal::AnalogSignal( |
2b81ae46 | 87 | pv::Session &session, |
cbd2a2de | 88 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 89 | Signal(session, base), |
834a4f1b | 90 | scale_index_(4), // 20 per div |
37b9fed4 | 91 | scale_index_drag_offset_(0), |
459db2c5 SA |
92 | pos_vdivs_(1), |
93 | neg_vdivs_(1), | |
73e377fe | 94 | resolution_(0), |
a970015f | 95 | display_type_(DisplayBoth), |
1f1d55ce | 96 | autoranging_(true) |
aba1dd16 | 97 | { |
85715407 SA |
98 | pv::data::Analog* analog_data = |
99 | dynamic_cast<pv::data::Analog*>(data().get()); | |
100 | ||
101 | connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), | |
102 | this, SLOT(on_samples_added())); | |
103 | ||
52c900ac SA |
104 | connect(&delayed_conversion_starter_, SIGNAL(timeout()), |
105 | this, SLOT(on_delayed_conversion_starter())); | |
106 | delayed_conversion_starter_.setSingleShot(true); | |
107 | delayed_conversion_starter_.setInterval(1000); // 1s timeout | |
108 | ||
cbb50547 SA |
109 | GlobalSettings gs; |
110 | div_height_ = gs.value(GlobalSettings::Key_View_DefaultDivHeight).toInt(); | |
111 | ||
73a25a6e | 112 | base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); |
834a4f1b | 113 | update_scale(); |
aba1dd16 JH |
114 | } |
115 | ||
3009b5b3 JH |
116 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
117 | { | |
cbd2a2de | 118 | return base_->analog_data(); |
9a0cd293 JH |
119 | } |
120 | ||
3a21afa6 SA |
121 | void AnalogSignal::save_settings(QSettings &settings) const |
122 | { | |
459db2c5 SA |
123 | settings.setValue("pos_vdivs", pos_vdivs_); |
124 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 125 | settings.setValue("scale_index", scale_index_); |
a970015f | 126 | settings.setValue("display_type", display_type_); |
73e377fe | 127 | settings.setValue("autoranging", autoranging_); |
cbb50547 | 128 | settings.setValue("div_height", div_height_); |
3a21afa6 SA |
129 | } |
130 | ||
131 | void AnalogSignal::restore_settings(QSettings &settings) | |
132 | { | |
459db2c5 SA |
133 | if (settings.contains("pos_vdivs")) |
134 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
135 | ||
136 | if (settings.contains("neg_vdivs")) | |
137 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
138 | |
139 | if (settings.contains("scale_index")) { | |
140 | scale_index_ = settings.value("scale_index").toInt(); | |
141 | update_scale(); | |
142 | } | |
73e377fe | 143 | |
a970015f SA |
144 | if (settings.contains("display_type")) |
145 | display_type_ = (DisplayType)(settings.value("display_type").toInt()); | |
146 | ||
73e377fe SA |
147 | if (settings.contains("autoranging")) |
148 | autoranging_ = settings.value("autoranging").toBool(); | |
cbb50547 SA |
149 | |
150 | if (settings.contains("div_height")) { | |
151 | const int old_height = div_height_; | |
152 | div_height_ = settings.value("div_height").toInt(); | |
153 | ||
154 | if ((div_height_ != old_height) && owner_) { | |
155 | // Call order is important, otherwise the lazy event handler won't work | |
156 | owner_->extents_changed(false, true); | |
157 | owner_->row_item_appearance_changed(false, true); | |
158 | } | |
159 | } | |
3a21afa6 SA |
160 | } |
161 | ||
6f925ba9 | 162 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 163 | { |
459db2c5 SA |
164 | const int ph = pos_vdivs_ * div_height_; |
165 | const int nh = neg_vdivs_ * div_height_; | |
166 | return make_pair(-ph, nh); | |
a5d93c27 JH |
167 | } |
168 | ||
214470fc JH |
169 | int AnalogSignal::scale_handle_offset() const |
170 | { | |
459db2c5 | 171 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 172 | |
c063290a | 173 | return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2; |
214470fc JH |
174 | } |
175 | ||
176 | void AnalogSignal::scale_handle_dragged(int offset) | |
177 | { | |
459db2c5 | 178 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 179 | |
c063290a | 180 | scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4); |
834a4f1b SA |
181 | |
182 | update_scale(); | |
8a2fafcc JH |
183 | } |
184 | ||
185 | void AnalogSignal::scale_handle_drag_release() | |
186 | { | |
187 | scale_index_drag_offset_ = scale_index_; | |
834a4f1b | 188 | update_scale(); |
214470fc JH |
189 | } |
190 | ||
60938e04 | 191 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) |
fe08b6e8 | 192 | { |
73a25a6e | 193 | if (base_->enabled()) { |
99af6802 | 194 | Trace::paint_back(p, pp); |
97904bf7 | 195 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 196 | } |
fe08b6e8 JH |
197 | } |
198 | ||
60938e04 | 199 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) |
aba1dd16 | 200 | { |
cbd2a2de | 201 | assert(base_->analog_data()); |
8dbbc7f0 | 202 | assert(owner_); |
a8acb46e | 203 | |
be9e7b4b | 204 | const int y = get_visual_y(); |
01fd3263 | 205 | |
73a25a6e | 206 | if (!base_->enabled()) |
cec48d16 JH |
207 | return; |
208 | ||
a8fd2759 SA |
209 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
210 | paint_grid(p, y, pp.left(), pp.right()); | |
211 | ||
212 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
213 | base_->analog_data()->analog_segments(); | |
214 | if (segments.empty()) | |
215 | return; | |
216 | ||
217 | const shared_ptr<pv::data::AnalogSegment> &segment = | |
218 | segments.front(); | |
219 | ||
220 | const double pixels_offset = pp.pixels_offset(); | |
221 | const double samplerate = max(1.0, segment->samplerate()); | |
222 | const pv::util::Timestamp& start_time = segment->start_time(); | |
223 | const int64_t last_sample = segment->get_sample_count() - 1; | |
224 | const double samples_per_pixel = samplerate * pp.scale(); | |
225 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
226 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
227 | ||
228 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
229 | (int64_t)0), last_sample); | |
230 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
231 | (int64_t)0), last_sample); | |
232 | ||
233 | if (samples_per_pixel < EnvelopeThreshold) | |
234 | paint_trace(p, segment, y, pp.left(), | |
235 | start_sample, end_sample, | |
236 | pixels_offset, samples_per_pixel); | |
237 | else | |
238 | paint_envelope(p, segment, y, pp.left(), | |
239 | start_sample, end_sample, | |
240 | pixels_offset, samples_per_pixel); | |
241 | } | |
a8acb46e | 242 | |
a8fd2759 | 243 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) { |
06b6ce26 SA |
244 | const data::SignalBase::ConversionType conv_type = |
245 | base_->get_conversion_type(); | |
246 | ||
247 | if (((conv_type == data::SignalBase::A2LConversionByTreshold) || | |
248 | (conv_type == data::SignalBase::A2LConversionBySchmittTrigger))) { | |
a8acb46e | 249 | |
a8fd2759 SA |
250 | paint_logic_mid(p, pp); |
251 | } | |
252 | } | |
7c68ddae JH |
253 | } |
254 | ||
60938e04 | 255 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) |
03cc651d SA |
256 | { |
257 | if (!enabled()) | |
258 | return; | |
259 | ||
b8c4a95b SA |
260 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
261 | const int y = get_visual_y(); | |
03cc651d | 262 | |
b8c4a95b SA |
263 | // Show the info section on the right side of the trace |
264 | const QString infotext = QString("%1 V/div").arg(resolution_); | |
03cc651d | 265 | |
b8c4a95b SA |
266 | p.setPen(base_->colour()); |
267 | p.setFont(QApplication::font()); | |
03cc651d | 268 | |
b8c4a95b SA |
269 | const QRectF bounding_rect = QRectF(pp.left(), |
270 | y + v_extents().first, | |
271 | pp.width() - InfoTextMarginRight, | |
272 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
03cc651d | 273 | |
b8c4a95b SA |
274 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); |
275 | } | |
03cc651d SA |
276 | } |
277 | ||
37b9fed4 SA |
278 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
279 | { | |
46a0cadc SA |
280 | p.setRenderHint(QPainter::Antialiasing, false); |
281 | ||
8ad61f40 UH |
282 | GlobalSettings settings; |
283 | const bool show_analog_minor_grid = | |
284 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
285 | ||
459db2c5 SA |
286 | if (pos_vdivs_ > 0) { |
287 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
288 | for (int i = 1; i <= pos_vdivs_; i++) { | |
289 | const float dy = i * div_height_; | |
290 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
291 | } | |
8ad61f40 | 292 | } |
459db2c5 | 293 | |
8ad61f40 | 294 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
295 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
296 | for (int i = 0; i < pos_vdivs_; i++) { | |
297 | const float dy = i * div_height_; | |
298 | const float dy25 = dy + (0.25 * div_height_); | |
299 | const float dy50 = dy + (0.50 * div_height_); | |
300 | const float dy75 = dy + (0.75 * div_height_); | |
301 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
302 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
303 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
304 | } | |
37b9fed4 SA |
305 | } |
306 | ||
459db2c5 SA |
307 | if (neg_vdivs_ > 0) { |
308 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
309 | for (int i = 1; i <= neg_vdivs_; i++) { | |
310 | const float dy = i * div_height_; | |
311 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
312 | } | |
8ad61f40 | 313 | } |
459db2c5 | 314 | |
8ad61f40 | 315 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
316 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
317 | for (int i = 0; i < neg_vdivs_; i++) { | |
318 | const float dy = i * div_height_; | |
319 | const float dy25 = dy + (0.25 * div_height_); | |
320 | const float dy50 = dy + (0.50 * div_height_); | |
321 | const float dy75 = dy + (0.75 * div_height_); | |
322 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
323 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
324 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
325 | } | |
37b9fed4 | 326 | } |
46a0cadc SA |
327 | |
328 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
329 | } |
330 | ||
7c68ddae | 331 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 332 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
333 | int y, int left, const int64_t start, const int64_t end, |
334 | const double pixels_offset, const double samples_per_pixel) | |
335 | { | |
fdfd5b3e SA |
336 | if (end <= start) |
337 | return; | |
338 | ||
339 | // Calculate and paint the sampling points if enabled and useful | |
340 | GlobalSettings settings; | |
341 | const bool show_sampling_points = | |
342 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
343 | (samples_per_pixel < 0.25); | |
344 | ||
73a25a6e | 345 | p.setPen(base_->colour()); |
7c68ddae | 346 | |
76ce6c7a UH |
347 | const int64_t points_count = end - start; |
348 | ||
349 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
350 | QPointF *point = points; |
351 | ||
fdfd5b3e SA |
352 | QRectF *sampling_points = nullptr; |
353 | if (show_sampling_points) | |
354 | sampling_points = new QRectF[points_count]; | |
8de1e1b2 UH |
355 | QRectF *sampling_point = sampling_points; |
356 | ||
fdfd5b3e SA |
357 | int64_t sample_count = min(points_count, TracePaintBlockSize); |
358 | int64_t block_sample = 0; | |
b82243f7 SA |
359 | float *sample_block = new float[TracePaintBlockSize]; |
360 | segment->get_samples(start, start + sample_count, sample_block); | |
26a883ed | 361 | |
8de1e1b2 | 362 | const int w = 2; |
fdfd5b3e SA |
363 | for (int64_t sample = start; sample != end; sample++, block_sample++) { |
364 | ||
365 | if (block_sample == TracePaintBlockSize) { | |
366 | block_sample = 0; | |
fdfd5b3e | 367 | sample_count = min(points_count - sample, TracePaintBlockSize); |
b82243f7 | 368 | segment->get_samples(sample, sample + sample_count, sample_block); |
fdfd5b3e SA |
369 | } |
370 | ||
a8acb46e | 371 | const float x = (sample / samples_per_pixel - |
2658961b | 372 | pixels_offset) + left; |
26a883ed | 373 | |
fdfd5b3e | 374 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); |
8de1e1b2 | 375 | |
fdfd5b3e SA |
376 | if (show_sampling_points) |
377 | *sampling_point++ = | |
378 | QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); | |
a8acb46e | 379 | } |
fdfd5b3e | 380 | delete[] sample_block; |
a8acb46e | 381 | |
76ce6c7a | 382 | p.drawPolyline(points, points_count); |
a8acb46e | 383 | |
fdfd5b3e | 384 | if (show_sampling_points) { |
8de1e1b2 UH |
385 | p.setPen(SamplingPointColour); |
386 | p.drawRects(sampling_points, points_count); | |
fdfd5b3e | 387 | delete[] sampling_points; |
8de1e1b2 UH |
388 | } |
389 | ||
a8acb46e | 390 | delete[] points; |
aba1dd16 JH |
391 | } |
392 | ||
7c68ddae | 393 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 394 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
395 | int y, int left, const int64_t start, const int64_t end, |
396 | const double pixels_offset, const double samples_per_pixel) | |
397 | { | |
f3d66e52 | 398 | using pv::data::AnalogSegment; |
7c68ddae | 399 | |
f3d66e52 JH |
400 | AnalogSegment::EnvelopeSection e; |
401 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
402 | |
403 | if (e.length < 2) | |
404 | return; | |
405 | ||
819f4c25 | 406 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 407 | p.setBrush(base_->colour()); |
7c68ddae JH |
408 | |
409 | QRectF *const rects = new QRectF[e.length]; | |
410 | QRectF *rect = rects; | |
411 | ||
c063290a | 412 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
413 | const float x = ((e.scale * sample + e.start) / |
414 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 415 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
416 | e.samples + sample; |
417 | ||
418 | // We overlap this sample with the next so that vertical | |
419 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
420 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
421 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
422 | |
423 | float h = b - t; | |
f3290553 | 424 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 425 | h = 1.0f; |
f3290553 | 426 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
427 | h = -1.0f; |
428 | ||
429 | *rect++ = QRectF(x, t, 1.0f, h); | |
430 | } | |
431 | ||
432 | p.drawRects(rects, e.length); | |
433 | ||
434 | delete[] rects; | |
435 | delete[] e.samples; | |
436 | } | |
437 | ||
60938e04 | 438 | void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) |
a8fd2759 SA |
439 | { |
440 | QLineF *line; | |
441 | ||
442 | vector< pair<int64_t, bool> > edges; | |
443 | ||
444 | assert(base_); | |
445 | ||
446 | const int y = get_visual_y(); | |
447 | ||
6c0df7c4 | 448 | if (!base_->enabled() || !base_->logic_data()) |
a8fd2759 SA |
449 | return; |
450 | ||
451 | const int signal_margin = | |
452 | QFontMetrics(QApplication::font()).height() / 2; | |
453 | ||
454 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
455 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
456 | const float high_offset = y - ph + signal_margin + 0.5f; | |
457 | const float low_offset = y + nh - signal_margin - 0.5f; | |
458 | ||
459 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
460 | base_->logic_data()->logic_segments(); | |
6c0df7c4 | 461 | |
a8fd2759 SA |
462 | if (segments.empty()) |
463 | return; | |
464 | ||
465 | const shared_ptr<pv::data::LogicSegment> &segment = | |
466 | segments.front(); | |
467 | ||
468 | double samplerate = segment->samplerate(); | |
469 | ||
470 | // Show sample rate as 1Hz when it is unknown | |
471 | if (samplerate == 0.0) | |
472 | samplerate = 1.0; | |
473 | ||
474 | const double pixels_offset = pp.pixels_offset(); | |
475 | const pv::util::Timestamp& start_time = segment->start_time(); | |
476 | const int64_t last_sample = segment->get_sample_count() - 1; | |
477 | const double samples_per_pixel = samplerate * pp.scale(); | |
124be547 | 478 | const double pixels_per_sample = 1 / samples_per_pixel; |
a8fd2759 SA |
479 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
480 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
481 | ||
482 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
483 | (int64_t)0), last_sample); | |
484 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
485 | (int64_t)0), last_sample); | |
486 | ||
487 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
488 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
489 | assert(edges.size() >= 2); | |
490 | ||
124be547 SA |
491 | // Check whether we need to paint the sampling points |
492 | GlobalSettings settings; | |
493 | const bool show_sampling_points = | |
494 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
495 | (samples_per_pixel < 0.25); | |
496 | ||
497 | vector<QRectF> sampling_points; | |
498 | float sampling_point_x = 0.0f; | |
499 | int64_t sampling_point_sample = start_sample; | |
500 | const int w = 2; | |
501 | ||
502 | if (show_sampling_points) { | |
503 | sampling_points.reserve(end_sample - start_sample + 1); | |
504 | sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left(); | |
505 | } | |
506 | ||
a8fd2759 SA |
507 | // Paint the edges |
508 | const unsigned int edge_count = edges.size() - 2; | |
509 | QLineF *const edge_lines = new QLineF[edge_count]; | |
510 | line = edge_lines; | |
511 | ||
512 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
513 | const float x = ((*i).first / samples_per_pixel - | |
514 | pixels_offset) + pp.left(); | |
515 | *line++ = QLineF(x, high_offset, x, low_offset); | |
124be547 SA |
516 | |
517 | if (show_sampling_points) | |
518 | while (sampling_point_sample < (*i).first) { | |
519 | const float y = (*i).second ? low_offset : high_offset; | |
520 | sampling_points.emplace_back( | |
521 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
522 | sampling_point_sample++; | |
523 | sampling_point_x += pixels_per_sample; | |
524 | }; | |
a8fd2759 SA |
525 | } |
526 | ||
124be547 SA |
527 | // Calculate the sample points from the last edge to the end of the trace |
528 | if (show_sampling_points) | |
529 | while ((uint64_t)sampling_point_sample <= end_sample) { | |
530 | // Signal changed after the last edge, so the level is inverted | |
531 | const float y = (edges.cend() - 1)->second ? high_offset : low_offset; | |
532 | sampling_points.emplace_back( | |
533 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
534 | sampling_point_sample++; | |
535 | sampling_point_x += pixels_per_sample; | |
536 | }; | |
537 | ||
a8fd2759 SA |
538 | p.setPen(LogicSignal::EdgeColour); |
539 | p.drawLines(edge_lines, edge_count); | |
540 | delete[] edge_lines; | |
541 | ||
542 | // Paint the caps | |
543 | const unsigned int max_cap_line_count = edges.size(); | |
544 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
545 | ||
546 | p.setPen(LogicSignal::HighColour); | |
547 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, | |
548 | pixels_offset, pp.left(), high_offset); | |
549 | p.setPen(LogicSignal::LowColour); | |
550 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, | |
551 | pixels_offset, pp.left(), low_offset); | |
552 | ||
553 | delete[] cap_lines; | |
554 | ||
a8fd2759 | 555 | // Paint the sampling points |
124be547 SA |
556 | if (show_sampling_points) { |
557 | p.setPen(SamplingPointColour); | |
558 | p.drawRects(sampling_points.data(), sampling_points.size()); | |
a8fd2759 | 559 | } |
a8fd2759 SA |
560 | } |
561 | ||
562 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
563 | vector< pair<int64_t, bool> > &edges, bool level, | |
564 | double samples_per_pixel, double pixels_offset, float x_offset, | |
565 | float y_offset) | |
566 | { | |
567 | QLineF *line = lines; | |
568 | ||
569 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
570 | if ((*i).second == level) { | |
571 | *line++ = QLineF( | |
572 | ((*i).first / samples_per_pixel - | |
573 | pixels_offset) + x_offset, y_offset, | |
574 | ((*(i+1)).first / samples_per_pixel - | |
575 | pixels_offset) + x_offset, y_offset); | |
576 | } | |
577 | ||
578 | p.drawLines(lines, line - lines); | |
579 | } | |
580 | ||
368a37c2 | 581 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
582 | { |
583 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 584 | |
6f925ba9 UH |
585 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
586 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 587 | countof(seq)); |
834a4f1b | 588 | |
368a37c2 SA |
589 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
590 | } | |
591 | ||
592 | void AnalogSignal::update_scale() | |
593 | { | |
594 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 595 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
596 | } |
597 | ||
52c900ac SA |
598 | void AnalogSignal::update_conversion_widgets() |
599 | { | |
600 | data::SignalBase::ConversionType conv_type = base_->get_conversion_type(); | |
601 | ||
602 | // Enable or disable widgets depending on conversion state | |
603 | conv_threshold_cb_->setEnabled(conv_type != data::SignalBase::NoConversion); | |
604 | display_type_cb_->setEnabled(conv_type != data::SignalBase::NoConversion); | |
605 | ||
606 | conv_threshold_cb_->clear(); | |
607 | ||
608 | vector < pair<QString, int> > presets = base_->get_conversion_presets(); | |
609 | ||
610 | // Prevent the combo box from firing the "edit text changed" signal | |
611 | // as that would involuntarily select the first entry | |
612 | conv_threshold_cb_->blockSignals(true); | |
613 | ||
614 | // Set available options depending on chosen conversion | |
615 | for (pair<QString, int> preset : presets) | |
616 | conv_threshold_cb_->addItem(preset.first, preset.second); | |
617 | ||
618 | map < QString, QVariant > options = base_->get_conversion_options(); | |
619 | ||
620 | if (conv_type == data::SignalBase::A2LConversionByTreshold) { | |
621 | const vector<double> thresholds = base_->get_conversion_thresholds( | |
622 | data::SignalBase::A2LConversionByTreshold, true); | |
623 | conv_threshold_cb_->addItem( | |
624 | QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); | |
625 | } | |
626 | ||
627 | if (conv_type == data::SignalBase::A2LConversionBySchmittTrigger) { | |
628 | const vector<double> thresholds = base_->get_conversion_thresholds( | |
629 | data::SignalBase::A2LConversionBySchmittTrigger, true); | |
630 | conv_threshold_cb_->addItem(QString("%1V/%2V").arg( | |
631 | QString::number(thresholds[0], 'f', 1), | |
632 | QString::number(thresholds[1], 'f', 1)), -1); | |
633 | } | |
634 | ||
635 | int preset_id = base_->get_current_conversion_preset(); | |
636 | conv_threshold_cb_->setCurrentIndex( | |
637 | conv_threshold_cb_->findData(preset_id)); | |
638 | ||
639 | conv_threshold_cb_->blockSignals(false); | |
640 | } | |
641 | ||
430b94aa | 642 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) |
73e377fe SA |
643 | { |
644 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
645 | base_->analog_data()->analog_segments(); | |
646 | ||
647 | if (segments.empty()) | |
648 | return; | |
649 | ||
650 | static double prev_min = 0, prev_max = 0; | |
651 | double min = 0, max = 0; | |
652 | ||
653 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
6f925ba9 | 654 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
655 | min = std::min(min, mm.first); |
656 | max = std::max(max, mm.second); | |
657 | } | |
658 | ||
659 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
660 | return; | |
661 | ||
662 | prev_min = min; | |
663 | prev_max = max; | |
664 | ||
430b94aa SA |
665 | // If we're allowed to alter the div assignment... |
666 | if (!keep_divs) { | |
667 | // Use all divs for the positive range if there are no negative values | |
668 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
669 | pos_vdivs_ += neg_vdivs_; | |
670 | neg_vdivs_ = 0; | |
671 | } | |
73e377fe | 672 | |
430b94aa SA |
673 | // Split up the divs if there are negative values but no negative divs |
674 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
675 | neg_vdivs_ = pos_vdivs_ / 2; | |
676 | pos_vdivs_ -= neg_vdivs_; | |
677 | } | |
681b6d5a SA |
678 | } |
679 | ||
430b94aa SA |
680 | // If there is still no positive div when we need it, add one |
681 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
17c7f31c | 682 | if ((max > 0) && (pos_vdivs_ == 0)) { |
430b94aa | 683 | pos_vdivs_ = 1; |
17c7f31c SA |
684 | owner_->extents_changed(false, true); |
685 | } | |
430b94aa SA |
686 | |
687 | // If there is still no negative div when we need it, add one | |
688 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
17c7f31c | 689 | if ((min < 0) && (neg_vdivs_ == 0)) { |
430b94aa | 690 | neg_vdivs_ = 1; |
17c7f31c SA |
691 | owner_->extents_changed(false, true); |
692 | } | |
430b94aa | 693 | |
73e377fe SA |
694 | double min_value_per_div; |
695 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
696 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
697 | else if (pos_vdivs_ > 0) | |
698 | min_value_per_div = max / pos_vdivs_; | |
699 | else | |
700 | min_value_per_div = -min / neg_vdivs_; | |
701 | ||
702 | // Find first scale value that is bigger than the value we need | |
703 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
704 | if (get_resolution(i) > min_value_per_div) { | |
705 | scale_index_ = i; | |
706 | break; | |
707 | } | |
708 | ||
709 | update_scale(); | |
710 | } | |
711 | ||
4cffac16 SA |
712 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
713 | { | |
714 | // Add the standard options | |
715 | Signal::populate_popup_form(parent, form); | |
716 | ||
368a37c2 SA |
717 | QFormLayout *const layout = new QFormLayout; |
718 | ||
cbb50547 | 719 | // Add div-related settings |
430b94aa SA |
720 | pvdiv_sb_ = new QSpinBox(parent); |
721 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
722 | pvdiv_sb_->setValue(pos_vdivs_); | |
723 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 724 | this, SLOT(on_pos_vdivs_changed(int))); |
430b94aa | 725 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); |
459db2c5 | 726 | |
430b94aa SA |
727 | nvdiv_sb_ = new QSpinBox(parent); |
728 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
729 | nvdiv_sb_->setValue(neg_vdivs_); | |
730 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 731 | this, SLOT(on_neg_vdivs_changed(int))); |
430b94aa | 732 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); |
368a37c2 | 733 | |
cbb50547 SA |
734 | div_height_sb_ = new QSpinBox(parent); |
735 | div_height_sb_->setRange(20, 1000); | |
736 | div_height_sb_->setSingleStep(5); | |
737 | div_height_sb_->setSuffix(tr(" pixels")); | |
738 | div_height_sb_->setValue(div_height_); | |
739 | connect(div_height_sb_, SIGNAL(valueChanged(int)), | |
740 | this, SLOT(on_div_height_changed(int))); | |
741 | layout->addRow(tr("Div height"), div_height_sb_); | |
742 | ||
368a37c2 SA |
743 | // Add the vertical resolution |
744 | resolution_cb_ = new QComboBox(parent); | |
745 | ||
746 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
747 | const QString label = QString("%1").arg(get_resolution(i)); | |
748 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
749 | } | |
750 | ||
a970015f | 751 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
752 | resolution_cb_->setCurrentIndex(cur_idx); |
753 | ||
754 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
755 | this, SLOT(on_resolution_changed(int))); | |
756 | ||
757 | QGridLayout *const vdiv_layout = new QGridLayout; | |
758 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
759 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
760 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
761 | ||
762 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
763 | ||
73e377fe SA |
764 | // Add the autoranging checkbox |
765 | QCheckBox* autoranging_cb = new QCheckBox(); | |
766 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
767 | ||
768 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
769 | this, SLOT(on_autoranging_changed(int))); | |
770 | ||
771 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
772 | ||
a970015f SA |
773 | // Add the conversion type dropdown |
774 | conversion_cb_ = new QComboBox(); | |
775 | ||
776 | conversion_cb_->addItem("none", data::SignalBase::NoConversion); | |
777 | conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold); | |
778 | conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger); | |
779 | ||
06b6ce26 | 780 | cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); |
a970015f SA |
781 | conversion_cb_->setCurrentIndex(cur_idx); |
782 | ||
7c84c074 | 783 | layout->addRow(tr("Conversion"), conversion_cb_); |
a970015f SA |
784 | |
785 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
786 | this, SLOT(on_conversion_changed(int))); | |
787 | ||
52c900ac SA |
788 | // Add the conversion threshold settings |
789 | conv_threshold_cb_ = new QComboBox(); | |
790 | conv_threshold_cb_->setEditable(true); | |
791 | ||
792 | layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); | |
793 | ||
794 | connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), | |
795 | this, SLOT(on_conv_threshold_changed(int))); | |
796 | connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString)), | |
797 | this, SLOT(on_conv_threshold_changed())); // index will be -1 | |
798 | ||
a970015f SA |
799 | // Add the display type dropdown |
800 | display_type_cb_ = new QComboBox(); | |
801 | ||
802 | display_type_cb_->addItem(tr("Analog"), DisplayAnalog); | |
803 | display_type_cb_->addItem(tr("Converted"), DisplayConverted); | |
52c900ac | 804 | display_type_cb_->addItem(tr("Analog+Converted"), DisplayBoth); |
a970015f SA |
805 | |
806 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
807 | display_type_cb_->setCurrentIndex(cur_idx); | |
808 | ||
7c84c074 | 809 | layout->addRow(tr("Traces to show:"), display_type_cb_); |
a970015f | 810 | |
b8c4a95b SA |
811 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
812 | this, SLOT(on_display_type_changed(int))); | |
813 | ||
52c900ac SA |
814 | // Update the conversion widget contents and states |
815 | update_conversion_widgets(); | |
816 | ||
368a37c2 | 817 | form->addRow(layout); |
4cffac16 SA |
818 | } |
819 | ||
85715407 SA |
820 | void AnalogSignal::on_samples_added() |
821 | { | |
430b94aa | 822 | perform_autoranging(false, false); |
85715407 SA |
823 | } |
824 | ||
459db2c5 SA |
825 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
826 | { | |
430b94aa SA |
827 | if (vdivs == pos_vdivs_) |
828 | return; | |
829 | ||
459db2c5 SA |
830 | pos_vdivs_ = vdivs; |
831 | ||
80067e49 SA |
832 | // There has to be at least one div, positive or negative |
833 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
834 | pos_vdivs_ = 1; | |
835 | if (pvdiv_sb_) | |
836 | pvdiv_sb_->setValue(pos_vdivs_); | |
837 | } | |
838 | ||
430b94aa SA |
839 | if (autoranging_) { |
840 | perform_autoranging(true, true); | |
841 | ||
842 | // It could be that a positive or negative div was added, so update | |
843 | if (pvdiv_sb_) { | |
844 | pvdiv_sb_->setValue(pos_vdivs_); | |
845 | nvdiv_sb_->setValue(neg_vdivs_); | |
846 | } | |
847 | } | |
73e377fe | 848 | |
459db2c5 SA |
849 | if (owner_) { |
850 | // Call order is important, otherwise the lazy event handler won't work | |
851 | owner_->extents_changed(false, true); | |
852 | owner_->row_item_appearance_changed(false, true); | |
853 | } | |
854 | } | |
855 | ||
856 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 857 | { |
430b94aa SA |
858 | if (vdivs == neg_vdivs_) |
859 | return; | |
860 | ||
459db2c5 | 861 | neg_vdivs_ = vdivs; |
4cffac16 | 862 | |
80067e49 SA |
863 | // There has to be at least one div, positive or negative |
864 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
865 | pos_vdivs_ = 1; | |
866 | if (pvdiv_sb_) | |
867 | pvdiv_sb_->setValue(pos_vdivs_); | |
868 | } | |
869 | ||
430b94aa SA |
870 | if (autoranging_) { |
871 | perform_autoranging(true, true); | |
872 | ||
873 | // It could be that a positive or negative div was added, so update | |
874 | if (pvdiv_sb_) { | |
875 | pvdiv_sb_->setValue(pos_vdivs_); | |
876 | nvdiv_sb_->setValue(neg_vdivs_); | |
877 | } | |
878 | } | |
73e377fe | 879 | |
75d0779e SA |
880 | if (owner_) { |
881 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 882 | owner_->extents_changed(false, true); |
75d0779e SA |
883 | owner_->row_item_appearance_changed(false, true); |
884 | } | |
4cffac16 SA |
885 | } |
886 | ||
cbb50547 SA |
887 | void AnalogSignal::on_div_height_changed(int height) |
888 | { | |
889 | div_height_ = height; | |
890 | update_scale(); | |
891 | ||
892 | if (owner_) { | |
893 | // Call order is important, otherwise the lazy event handler won't work | |
894 | owner_->extents_changed(false, true); | |
895 | owner_->row_item_appearance_changed(false, true); | |
896 | } | |
897 | } | |
898 | ||
368a37c2 SA |
899 | void AnalogSignal::on_resolution_changed(int index) |
900 | { | |
901 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
902 | update_scale(); | |
903 | ||
904 | if (owner_) | |
905 | owner_->row_item_appearance_changed(false, true); | |
906 | } | |
4cffac16 | 907 | |
73e377fe SA |
908 | void AnalogSignal::on_autoranging_changed(int state) |
909 | { | |
910 | autoranging_ = (state == Qt::Checked); | |
911 | ||
912 | if (autoranging_) | |
430b94aa | 913 | perform_autoranging(false, true); |
73e377fe | 914 | |
85715407 SA |
915 | if (owner_) { |
916 | // Call order is important, otherwise the lazy event handler won't work | |
917 | owner_->extents_changed(false, true); | |
73e377fe | 918 | owner_->row_item_appearance_changed(false, true); |
85715407 | 919 | } |
73e377fe SA |
920 | } |
921 | ||
a970015f SA |
922 | void AnalogSignal::on_conversion_changed(int index) |
923 | { | |
06b6ce26 SA |
924 | data::SignalBase::ConversionType old_conv_type = |
925 | base_->get_conversion_type(); | |
a8fd2759 | 926 | |
06b6ce26 SA |
927 | data::SignalBase::ConversionType conv_type = |
928 | (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); | |
a8fd2759 | 929 | |
06b6ce26 SA |
930 | if (conv_type != old_conv_type) { |
931 | base_->set_conversion_type(conv_type); | |
52c900ac | 932 | update_conversion_widgets(); |
06b6ce26 SA |
933 | |
934 | if (owner_) | |
935 | owner_->row_item_appearance_changed(false, true); | |
a8fd2759 | 936 | } |
a970015f SA |
937 | } |
938 | ||
52c900ac SA |
939 | void AnalogSignal::on_conv_threshold_changed(int index) |
940 | { | |
941 | data::SignalBase::ConversionType conv_type = base_->get_conversion_type(); | |
942 | ||
943 | // Note: index is set to -1 if the text in the combo box matches none of | |
944 | // the entries in the combo box | |
945 | ||
946 | if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) | |
947 | return; | |
948 | ||
949 | // The combo box entry with the custom value has user_data set to -1 | |
950 | const int user_data = conv_threshold_cb_->findText( | |
951 | conv_threshold_cb_->currentText()); | |
952 | ||
953 | const bool use_custom_thr = (index == -1) || (user_data == -1); | |
954 | ||
955 | if (conv_type == data::SignalBase::A2LConversionByTreshold && use_custom_thr) { | |
956 | // Not one of the preset values, try to parse the combo box text | |
957 | // Note: Regex loosely based on | |
958 | // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 | |
959 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
960 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
961 | QRegExp regex(re1 + re2); | |
962 | ||
963 | const QString text = conv_threshold_cb_->currentText(); | |
964 | if (!regex.exactMatch(text)) | |
965 | return; // String doesn't match the regex | |
966 | ||
967 | QStringList tokens = regex.capturedTexts(); | |
968 | ||
969 | // For now, we simply assume that the unit is volt without modifiers | |
970 | const double thr = tokens.at(1).toDouble(); | |
971 | ||
972 | // Only restart the conversion if the threshold was updated | |
973 | if (base_->set_conversion_option("threshold_value", thr)) | |
974 | delayed_conversion_starter_.start(); | |
975 | } | |
976 | ||
977 | if (conv_type == data::SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) { | |
978 | // Not one of the preset values, try to parse the combo box text | |
979 | // Note: Regex loosely based on | |
980 | // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15 | |
981 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
982 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
983 | QString re3 = "\\/"; // Forward slash, not captured | |
984 | QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
985 | QString re5 = "([a-zA-Z]*)"; // SI unit | |
986 | QRegExp regex(re1 + re2 + re3 + re4 + re5); | |
987 | ||
988 | const QString text = conv_threshold_cb_->currentText(); | |
989 | if (!regex.exactMatch(text)) | |
990 | return; // String doesn't match the regex | |
991 | ||
992 | QStringList tokens = regex.capturedTexts(); | |
993 | ||
994 | // For now, we simply assume that the unit is volt without modifiers | |
995 | const double low_thr = tokens.at(1).toDouble(); | |
996 | const double high_thr = tokens.at(3).toDouble(); | |
997 | ||
998 | // Only restart the conversion if one of the options was updated | |
999 | bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); | |
1000 | bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); | |
1001 | if (o1 || o2) | |
1002 | delayed_conversion_starter_.start(); | |
1003 | } | |
1004 | ||
1005 | base_->set_conversion_preset(index); | |
1006 | ||
1007 | // Immediately start the conversion if we're not asking for a delayed reaction | |
1008 | if (!delayed_conversion_starter_.isActive()) | |
1009 | base_->start_conversion(); | |
1010 | } | |
1011 | ||
1012 | void AnalogSignal::on_delayed_conversion_starter() | |
1013 | { | |
1014 | base_->start_conversion(); | |
1015 | } | |
1016 | ||
b8c4a95b SA |
1017 | void AnalogSignal::on_display_type_changed(int index) |
1018 | { | |
1019 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
1020 | ||
1021 | if (owner_) | |
1022 | owner_->row_item_appearance_changed(false, true); | |
1023 | } | |
1024 | ||
1573bf16 | 1025 | } // namespace trace |
f4e57597 | 1026 | } // namespace views |
aba1dd16 | 1027 | } // namespace pv |