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);
142 const int y = get_y();
144 const View *const view = _owner->view();
147 const double scale = view->scale();
150 const double offset = view->offset();
152 if (!_channel->enabled())
155 const float high_offset = y - View::SignalHeight + 0.5f;
156 const float low_offset = y + 0.5f;
158 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
159 _data->get_snapshots();
160 if (snapshots.empty())
163 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
166 double samplerate = _data->samplerate();
168 // Show sample rate as 1Hz when it is unknown
169 if (samplerate == 0.0)
172 const double pixels_offset = offset / scale;
173 const double start_time = _data->get_start_time();
174 const int64_t last_sample = snapshot->get_sample_count() - 1;
175 const double samples_per_pixel = samplerate * scale;
176 const double start = samplerate * (offset - start_time);
177 const double end = start + samples_per_pixel * (right - left);
179 snapshot->get_subsampled_edges(edges,
180 min(max((int64_t)floor(start), (int64_t)0), last_sample),
181 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
182 samples_per_pixel / Oversampling, _channel->index());
183 assert(edges.size() >= 2);
186 const unsigned int edge_count = edges.size() - 2;
187 QLineF *const edge_lines = new QLineF[edge_count];
190 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
191 const float x = ((*i).first / samples_per_pixel -
192 pixels_offset) + left;
193 *line++ = QLineF(x, high_offset, x, low_offset);
196 p.setPen(EdgeColour);
197 p.drawLines(edge_lines, edge_count);
201 const unsigned int max_cap_line_count = edges.size();
202 QLineF *const cap_lines = new QLineF[max_cap_line_count];
204 p.setPen(HighColour);
205 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
206 pixels_offset, left, high_offset);
208 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
209 pixels_offset, left, low_offset);
214 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
215 vector< pair<int64_t, bool> > &edges, bool level,
216 double samples_per_pixel, double pixels_offset, float x_offset,
219 QLineF *line = lines;
221 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
222 if ((*i).second == level) {
224 ((*i).first / samples_per_pixel -
225 pixels_offset) + x_offset, y_offset,
226 ((*(i+1)).first / samples_per_pixel -
227 pixels_offset) + x_offset, y_offset);
230 p.drawLines(lines, line - lines);
233 void LogicSignal::init_trigger_actions(QWidget *parent)
235 _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
236 tr("No trigger"), parent);
237 _trigger_none->setCheckable(true);
238 connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger()));
240 _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
241 tr("Trigger on rising edge"), parent);
242 _trigger_rising->setCheckable(true);
243 connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger()));
245 _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
246 tr("Trigger on high level"), parent);
247 _trigger_high->setCheckable(true);
248 connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger()));
250 _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
251 tr("Trigger on falling edge"), parent);
252 _trigger_falling->setCheckable(true);
253 connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger()));
255 _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
256 tr("Trigger on low level"), parent);
257 _trigger_low->setCheckable(true);
258 connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger()));
260 _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
261 tr("Trigger on rising or falling edge"), parent);
262 _trigger_change->setCheckable(true);
263 connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger()));
266 QAction* LogicSignal::match_action(const TriggerMatchType *type)
270 action = _trigger_none;
272 switch (type->id()) {
273 case SR_TRIGGER_ZERO:
274 action = _trigger_low;
277 action = _trigger_high;
279 case SR_TRIGGER_RISING:
280 action = _trigger_rising;
282 case SR_TRIGGER_FALLING:
283 action = _trigger_falling;
285 case SR_TRIGGER_EDGE:
286 action = _trigger_change;
296 const TriggerMatchType *LogicSignal::action_match(QAction *action)
298 if (action == _trigger_low)
299 return TriggerMatchType::ZERO;
300 else if (action == _trigger_high)
301 return TriggerMatchType::ONE;
302 else if (action == _trigger_rising)
303 return TriggerMatchType::RISING;
304 else if (action == _trigger_falling)
305 return TriggerMatchType::FALLING;
306 else if (action == _trigger_change)
307 return TriggerMatchType::EDGE;
312 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
314 Glib::VariantContainerBase gvar;
315 vector<int32_t> trig_types;
317 Signal::populate_popup_form(parent, form);
320 gvar = _device->config_list(ConfigKey::TRIGGER_MATCH);
325 _trigger_bar = new QToolBar(parent);
326 init_trigger_actions(_trigger_bar);
327 _trigger_bar->addAction(_trigger_none);
328 _trigger_none->setChecked(!_trigger_match);
330 Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>(
332 for (auto type_id : trig_types) {
333 auto type = TriggerMatchType::get(type_id);
334 _trigger_bar->addAction(match_action(type));
335 match_action(type)->setChecked(_trigger_match == type);
337 form->addRow(tr("Trigger"), _trigger_bar);
341 void LogicSignal::modify_trigger()
343 auto trigger = _session.session()->trigger();
344 auto new_trigger = _session.device_manager().context()->create_trigger("pulseview");
347 for (auto stage : trigger->stages()) {
348 const auto &matches = stage->matches();
349 if (std::none_of(begin(matches), end(matches),
350 [&](shared_ptr<TriggerMatch> match) {
351 return match->channel() != _channel; }))
354 auto new_stage = new_trigger->add_stage();
355 for (auto match : stage->matches()) {
356 if (match->channel() == _channel)
358 new_stage->add_match(match->channel(), match->type());
364 new_trigger->add_stage()->add_match(_channel, _trigger_match);
366 _session.session()->set_trigger(
367 new_trigger->stages().empty() ? nullptr : new_trigger);
370 void LogicSignal::on_trigger()
374 match_action(_trigger_match)->setChecked(false);
376 action = (QAction *)sender();
377 action->setChecked(true);
378 _trigger_match = action_match(action);