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.h"
34 #include <pv/sigsession.h>
35 #include <pv/devicemanager.h>
36 #include <pv/data/logic.h>
37 #include <pv/data/logicsnapshot.h>
38 #include <pv/view/view.h>
40 #include <libsigrok/libsigrok.hpp>
46 using std::shared_ptr;
49 using sigrok::Channel;
50 using sigrok::ConfigKey;
53 using sigrok::Trigger;
54 using sigrok::TriggerStage;
55 using sigrok::TriggerMatch;
56 using sigrok::TriggerMatchType;
61 const float LogicSignal::Oversampling = 2.0f;
63 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
64 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
65 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
67 const QColor LogicSignal::SignalColours[10] = {
68 QColor(0x16, 0x19, 0x1A), // Black
69 QColor(0x8F, 0x52, 0x02), // Brown
70 QColor(0xCC, 0x00, 0x00), // Red
71 QColor(0xF5, 0x79, 0x00), // Orange
72 QColor(0xED, 0xD4, 0x00), // Yellow
73 QColor(0x73, 0xD2, 0x16), // Green
74 QColor(0x34, 0x65, 0xA4), // Blue
75 QColor(0x75, 0x50, 0x7B), // Violet
76 QColor(0x88, 0x8A, 0x85), // Grey
77 QColor(0xEE, 0xEE, 0xEC), // White
80 LogicSignal::LogicSignal(
81 pv::SigSession &session,
82 shared_ptr<Device> device,
83 shared_ptr<Channel> channel,
84 shared_ptr<data::Logic> data) :
85 Signal(session, channel),
89 _trigger_rising(NULL),
91 _trigger_falling(NULL),
95 shared_ptr<Trigger> trigger;
97 _colour = SignalColours[channel->index() % countof(SignalColours)];
99 /* Populate this channel's trigger setting with whatever we
100 * find in the current session trigger, if anything. */
101 _trigger_match = nullptr;
102 if ((trigger = _session.session()->trigger()))
103 for (auto stage : trigger->stages())
104 for (auto match : stage->matches())
105 if (match->channel() == _channel)
106 _trigger_match = match->type();
109 LogicSignal::~LogicSignal()
113 shared_ptr<pv::data::SignalData> LogicSignal::data() const
118 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
123 void LogicSignal::paint_back(QPainter &p, int left, int right)
125 if (_channel->enabled())
126 paint_axis(p, get_y(), left, right);
129 void LogicSignal::paint_mid(QPainter &p, int left, int right)
131 using pv::view::View;
135 vector< pair<int64_t, bool> > edges;
139 assert(right >= left);
141 const int y = get_y();
143 const double scale = _view->scale();
146 const double offset = _view->offset();
148 if (!_channel->enabled())
151 const float high_offset = y - View::SignalHeight + 0.5f;
152 const float low_offset = y + 0.5f;
154 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
155 _data->get_snapshots();
156 if (snapshots.empty())
159 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
162 double samplerate = _data->samplerate();
164 // Show sample rate as 1Hz when it is unknown
165 if (samplerate == 0.0)
168 const double pixels_offset = offset / scale;
169 const double start_time = _data->get_start_time();
170 const int64_t last_sample = snapshot->get_sample_count() - 1;
171 const double samples_per_pixel = samplerate * scale;
172 const double start = samplerate * (offset - start_time);
173 const double end = start + samples_per_pixel * (right - left);
175 snapshot->get_subsampled_edges(edges,
176 min(max((int64_t)floor(start), (int64_t)0), last_sample),
177 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
178 samples_per_pixel / Oversampling, _channel->index());
179 assert(edges.size() >= 2);
182 const unsigned int edge_count = edges.size() - 2;
183 QLineF *const edge_lines = new QLineF[edge_count];
186 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
187 const float x = ((*i).first / samples_per_pixel -
188 pixels_offset) + left;
189 *line++ = QLineF(x, high_offset, x, low_offset);
192 p.setPen(EdgeColour);
193 p.drawLines(edge_lines, edge_count);
197 const unsigned int max_cap_line_count = edges.size();
198 QLineF *const cap_lines = new QLineF[max_cap_line_count];
200 p.setPen(HighColour);
201 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
202 pixels_offset, left, high_offset);
204 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
205 pixels_offset, left, low_offset);
210 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
211 vector< pair<int64_t, bool> > &edges, bool level,
212 double samples_per_pixel, double pixels_offset, float x_offset,
215 QLineF *line = lines;
217 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
218 if ((*i).second == level) {
220 ((*i).first / samples_per_pixel -
221 pixels_offset) + x_offset, y_offset,
222 ((*(i+1)).first / samples_per_pixel -
223 pixels_offset) + x_offset, y_offset);
226 p.drawLines(lines, line - lines);
229 void LogicSignal::init_trigger_actions(QWidget *parent)
231 _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
232 tr("No trigger"), parent);
233 _trigger_none->setCheckable(true);
234 connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger()));
236 _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
237 tr("Trigger on rising edge"), parent);
238 _trigger_rising->setCheckable(true);
239 connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger()));
241 _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
242 tr("Trigger on high level"), parent);
243 _trigger_high->setCheckable(true);
244 connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger()));
246 _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
247 tr("Trigger on falling edge"), parent);
248 _trigger_falling->setCheckable(true);
249 connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger()));
251 _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
252 tr("Trigger on low level"), parent);
253 _trigger_low->setCheckable(true);
254 connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger()));
256 _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
257 tr("Trigger on rising or falling edge"), parent);
258 _trigger_change->setCheckable(true);
259 connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger()));
262 QAction* LogicSignal::match_action(const TriggerMatchType *type)
266 action = _trigger_none;
268 switch (type->id()) {
269 case SR_TRIGGER_ZERO:
270 action = _trigger_low;
273 action = _trigger_high;
275 case SR_TRIGGER_RISING:
276 action = _trigger_rising;
278 case SR_TRIGGER_FALLING:
279 action = _trigger_falling;
281 case SR_TRIGGER_EDGE:
282 action = _trigger_change;
292 const TriggerMatchType *LogicSignal::action_match(QAction *action)
294 if (action == _trigger_low)
295 return TriggerMatchType::ZERO;
296 else if (action == _trigger_high)
297 return TriggerMatchType::ONE;
298 else if (action == _trigger_rising)
299 return TriggerMatchType::RISING;
300 else if (action == _trigger_falling)
301 return TriggerMatchType::FALLING;
302 else if (action == _trigger_change)
303 return TriggerMatchType::EDGE;
308 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
310 Glib::VariantContainerBase gvar;
311 vector<int32_t> trig_types;
313 Signal::populate_popup_form(parent, form);
316 gvar = _device->config_list(ConfigKey::TRIGGER_MATCH);
321 _trigger_bar = new QToolBar(parent);
322 init_trigger_actions(_trigger_bar);
323 _trigger_bar->addAction(_trigger_none);
324 _trigger_none->setChecked(!_trigger_match);
326 Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>(
328 for (auto type_id : trig_types) {
329 auto type = TriggerMatchType::get(type_id);
330 _trigger_bar->addAction(match_action(type));
331 match_action(type)->setChecked(_trigger_match == type);
333 form->addRow(tr("Trigger"), _trigger_bar);
337 void LogicSignal::modify_trigger()
339 auto trigger = _session.session()->trigger();
340 auto new_trigger = _session.device_manager().context()->create_trigger("pulseview");
343 for (auto stage : trigger->stages()) {
344 const auto &matches = stage->matches();
345 if (std::none_of(begin(matches), end(matches),
346 [&](shared_ptr<TriggerMatch> match) {
347 return match->channel() != _channel; }))
350 auto new_stage = new_trigger->add_stage();
351 for (auto match : stage->matches()) {
352 if (match->channel() == _channel)
354 new_stage->add_match(match->channel(), match->type());
360 new_trigger->add_stage()->add_match(_channel, _trigger_match);
362 _session.session()->set_trigger(
363 new_trigger->stages().empty() ? nullptr : new_trigger);
366 void LogicSignal::on_trigger()
370 match_action(_trigger_match)->setChecked(false);
372 action = (QAction *)sender();
373 action->setChecked(true);
374 _trigger_match = action_match(action);