2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #include <QFormLayout>
31 #include "logicsignal.hpp"
34 #include <pv/session.hpp>
35 #include <pv/devicemanager.hpp>
36 #include <pv/data/logic.hpp>
37 #include <pv/data/logicsnapshot.hpp>
38 #include <pv/view/view.hpp>
40 #include <libsigrok/libsigrok.hpp>
47 using std::shared_ptr;
50 using sigrok::Channel;
51 using sigrok::ConfigKey;
54 using sigrok::Trigger;
55 using sigrok::TriggerStage;
56 using sigrok::TriggerMatch;
57 using sigrok::TriggerMatchType;
62 const int LogicSignal::SignalHeight = 30;
63 const int LogicSignal::SignalMargin = 10;
65 const float LogicSignal::Oversampling = 2.0f;
67 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
68 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
69 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
71 const QColor LogicSignal::SignalColours[10] = {
72 QColor(0x16, 0x19, 0x1A), // Black
73 QColor(0x8F, 0x52, 0x02), // Brown
74 QColor(0xCC, 0x00, 0x00), // Red
75 QColor(0xF5, 0x79, 0x00), // Orange
76 QColor(0xED, 0xD4, 0x00), // Yellow
77 QColor(0x73, 0xD2, 0x16), // Green
78 QColor(0x34, 0x65, 0xA4), // Blue
79 QColor(0x75, 0x50, 0x7B), // Violet
80 QColor(0x88, 0x8A, 0x85), // Grey
81 QColor(0xEE, 0xEE, 0xEC), // White
84 QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
85 const int LogicSignal::TriggerMarkerPadding = 2;
86 const char* LogicSignal::TriggerMarkerIcons[8] = {
88 ":/icons/trigger-marker-low.svg",
89 ":/icons/trigger-marker-high.svg",
90 ":/icons/trigger-marker-rising.svg",
91 ":/icons/trigger-marker-falling.svg",
92 ":/icons/trigger-marker-change.svg",
97 QCache<QString, const QIcon> LogicSignal::icon_cache_;
98 QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
100 LogicSignal::LogicSignal(
101 pv::Session &session,
102 shared_ptr<Device> device,
103 shared_ptr<Channel> channel,
104 shared_ptr<data::Logic> data) :
105 Signal(session, channel),
109 trigger_rising_(NULL),
111 trigger_falling_(NULL),
113 trigger_change_(NULL)
115 shared_ptr<Trigger> trigger;
117 colour_ = SignalColours[channel->index() % countof(SignalColours)];
119 /* Populate this channel's trigger setting with whatever we
120 * find in the current session trigger, if anything. */
121 trigger_match_ = nullptr;
122 if ((trigger = session_.session()->trigger()))
123 for (auto stage : trigger->stages())
124 for (auto match : stage->matches())
125 if (match->channel() == channel_)
126 trigger_match_ = match->type();
129 LogicSignal::~LogicSignal()
133 shared_ptr<pv::data::SignalData> LogicSignal::data() const
138 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
143 std::pair<int, int> LogicSignal::v_extents() const
145 return make_pair(-SignalHeight - SignalMargin, SignalMargin);
148 void LogicSignal::paint_back(QPainter &p, const RowItemPaintParams &pp)
150 if (channel_->enabled())
151 paint_axis(p, get_visual_y(), pp.left(), pp.right());
154 void LogicSignal::paint_mid(QPainter &p, const RowItemPaintParams &pp)
156 using pv::view::View;
160 vector< pair<int64_t, bool> > edges;
166 const int y = get_visual_y();
168 const View *const view = owner_->view();
171 const double scale = view->scale();
174 const double offset = view->offset();
176 if (!channel_->enabled())
179 const float high_offset = y - SignalHeight + 0.5f;
180 const float low_offset = y + 0.5f;
182 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
183 data_->get_snapshots();
184 if (snapshots.empty())
187 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
190 double samplerate = data_->samplerate();
192 // Show sample rate as 1Hz when it is unknown
193 if (samplerate == 0.0)
196 const double pixels_offset = offset / scale;
197 const double start_time = data_->get_start_time();
198 const int64_t last_sample = snapshot->get_sample_count() - 1;
199 const double samples_per_pixel = samplerate * scale;
200 const double start = samplerate * (offset - start_time);
201 const double end = start + samples_per_pixel * pp.width();
203 snapshot->get_subsampled_edges(edges,
204 min(max((int64_t)floor(start), (int64_t)0), last_sample),
205 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
206 samples_per_pixel / Oversampling, channel_->index());
207 assert(edges.size() >= 2);
210 const unsigned int edge_count = edges.size() - 2;
211 QLineF *const edge_lines = new QLineF[edge_count];
214 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
215 const float x = ((*i).first / samples_per_pixel -
216 pixels_offset) + pp.left();
217 *line++ = QLineF(x, high_offset, x, low_offset);
220 p.setPen(EdgeColour);
221 p.drawLines(edge_lines, edge_count);
225 const unsigned int max_cap_line_count = edges.size();
226 QLineF *const cap_lines = new QLineF[max_cap_line_count];
228 p.setPen(HighColour);
229 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
230 pixels_offset, pp.left(), high_offset);
232 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
233 pixels_offset, pp.left(), low_offset);
238 void LogicSignal::paint_fore(QPainter &p, const RowItemPaintParams &pp)
240 // Draw the trigger marker
244 const int y = get_visual_y();
245 const vector<int32_t> trig_types = get_trigger_types();
246 for (int32_t type_id : trig_types) {
247 const TriggerMatchType *const type =
248 TriggerMatchType::get(type_id);
249 if (trigger_match_ != type || type_id < 0 ||
250 (size_t)type_id >= countof(TriggerMarkerIcons) ||
251 !TriggerMarkerIcons[type_id])
254 const QPixmap *const pixmap = get_pixmap(
255 TriggerMarkerIcons[type_id]);
259 const int pad = TriggerMarkerPadding;
260 const QSize size = pixmap->size();
262 pp.right() - size.width() - pad * 2,
263 y - (SignalHeight + size.height()) / 2);
265 p.setPen(QPen(Qt::NoPen));
266 p.setBrush(TriggerMarkerBackgroundColour);
267 p.drawRoundedRect(QRect(point, size).adjusted(
268 -pad, -pad, pad, pad), pad, pad);
269 p.drawPixmap(point, *pixmap);
275 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
276 vector< pair<int64_t, bool> > &edges, bool level,
277 double samples_per_pixel, double pixels_offset, float x_offset,
280 QLineF *line = lines;
282 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
283 if ((*i).second == level) {
285 ((*i).first / samples_per_pixel -
286 pixels_offset) + x_offset, y_offset,
287 ((*(i+1)).first / samples_per_pixel -
288 pixels_offset) + x_offset, y_offset);
291 p.drawLines(lines, line - lines);
294 void LogicSignal::init_trigger_actions(QWidget *parent)
296 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
297 tr("No trigger"), parent);
298 trigger_none_->setCheckable(true);
299 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
301 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
302 tr("Trigger on rising edge"), parent);
303 trigger_rising_->setCheckable(true);
304 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
306 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
307 tr("Trigger on high level"), parent);
308 trigger_high_->setCheckable(true);
309 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
311 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
312 tr("Trigger on falling edge"), parent);
313 trigger_falling_->setCheckable(true);
314 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
316 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
317 tr("Trigger on low level"), parent);
318 trigger_low_->setCheckable(true);
319 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
321 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
322 tr("Trigger on rising or falling edge"), parent);
323 trigger_change_->setCheckable(true);
324 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
327 const vector<int32_t> LogicSignal::get_trigger_types() const
330 const Glib::VariantContainerBase gvar =
331 device_->config_list(ConfigKey::TRIGGER_MATCH);
332 return Glib::VariantBase::cast_dynamic<
333 Glib::Variant<vector<int32_t>>>(gvar).get();
335 return vector<int32_t>();
339 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
343 action = trigger_none_;
345 switch (type->id()) {
346 case SR_TRIGGER_ZERO:
347 action = trigger_low_;
350 action = trigger_high_;
352 case SR_TRIGGER_RISING:
353 action = trigger_rising_;
355 case SR_TRIGGER_FALLING:
356 action = trigger_falling_;
358 case SR_TRIGGER_EDGE:
359 action = trigger_change_;
369 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
371 if (action == trigger_low_)
372 return TriggerMatchType::ZERO;
373 else if (action == trigger_high_)
374 return TriggerMatchType::ONE;
375 else if (action == trigger_rising_)
376 return TriggerMatchType::RISING;
377 else if (action == trigger_falling_)
378 return TriggerMatchType::FALLING;
379 else if (action == trigger_change_)
380 return TriggerMatchType::EDGE;
385 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
387 Signal::populate_popup_form(parent, form);
389 trigger_bar_ = new QToolBar(parent);
390 init_trigger_actions(trigger_bar_);
391 trigger_bar_->addAction(trigger_none_);
392 trigger_none_->setChecked(!trigger_match_);
394 const vector<int32_t> trig_types = get_trigger_types();
395 for (auto type_id : trig_types) {
396 const TriggerMatchType *const type =
397 TriggerMatchType::get(type_id);
398 QAction *const action = action_from_trigger_type(type);
399 trigger_bar_->addAction(action);
400 action->setChecked(trigger_match_ == type);
402 form->addRow(tr("Trigger"), trigger_bar_);
406 void LogicSignal::modify_trigger()
408 auto trigger = session_.session()->trigger();
409 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
412 for (auto stage : trigger->stages()) {
413 const auto &matches = stage->matches();
414 if (std::none_of(begin(matches), end(matches),
415 [&](shared_ptr<TriggerMatch> match) {
416 return match->channel() != channel_; }))
419 auto new_stage = new_trigger->add_stage();
420 for (auto match : stage->matches()) {
421 if (match->channel() == channel_)
423 new_stage->add_match(match->channel(), match->type());
429 new_trigger->add_stage()->add_match(channel_, trigger_match_);
431 session_.session()->set_trigger(
432 new_trigger->stages().empty() ? nullptr : new_trigger);
435 owner_->appearance_changed(false, true);
438 const QIcon* LogicSignal::get_icon(const char *path)
440 const QIcon *icon = icon_cache_.take(path);
442 icon = new QIcon(path);
443 icon_cache_.insert(path, icon);
449 const QPixmap* LogicSignal::get_pixmap(const char *path)
451 const QPixmap *pixmap = pixmap_cache_.take(path);
453 pixmap = new QPixmap(path);
454 pixmap_cache_.insert(path, pixmap);
460 void LogicSignal::on_trigger()
464 action_from_trigger_type(trigger_match_)->setChecked(false);
466 action = (QAction *)sender();
467 action->setChecked(true);
468 trigger_match_ = trigger_type_from_action(action);