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>
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 LogicSignal::LogicSignal(
85 pv::SigSession &session,
86 shared_ptr<Device> device,
87 shared_ptr<Channel> channel,
88 shared_ptr<data::Logic> data) :
89 Signal(session, channel),
93 _trigger_rising(NULL),
95 _trigger_falling(NULL),
99 shared_ptr<Trigger> trigger;
101 _colour = SignalColours[channel->index() % countof(SignalColours)];
103 /* Populate this channel's trigger setting with whatever we
104 * find in the current session trigger, if anything. */
105 _trigger_match = nullptr;
106 if ((trigger = _session.session()->trigger()))
107 for (auto stage : trigger->stages())
108 for (auto match : stage->matches())
109 if (match->channel() == _channel)
110 _trigger_match = match->type();
113 LogicSignal::~LogicSignal()
117 shared_ptr<pv::data::SignalData> LogicSignal::data() const
122 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
127 std::pair<int, int> LogicSignal::v_extents() const
129 return make_pair(-SignalHeight - SignalMargin, SignalMargin);
132 void LogicSignal::paint_back(QPainter &p, int left, int right)
134 if (_channel->enabled())
135 paint_axis(p, get_visual_y(), left, right);
138 void LogicSignal::paint_mid(QPainter &p, int left, int right)
140 using pv::view::View;
144 vector< pair<int64_t, bool> > edges;
148 assert(right >= left);
151 const int y = get_visual_y();
153 const View *const view = _owner->view();
156 const double scale = view->scale();
159 const double offset = view->offset();
161 if (!_channel->enabled())
164 const float high_offset = y - SignalHeight + 0.5f;
165 const float low_offset = y + 0.5f;
167 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
168 _data->get_snapshots();
169 if (snapshots.empty())
172 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
175 double samplerate = _data->samplerate();
177 // Show sample rate as 1Hz when it is unknown
178 if (samplerate == 0.0)
181 const double pixels_offset = offset / scale;
182 const double start_time = _data->get_start_time();
183 const int64_t last_sample = snapshot->get_sample_count() - 1;
184 const double samples_per_pixel = samplerate * scale;
185 const double start = samplerate * (offset - start_time);
186 const double end = start + samples_per_pixel * (right - left);
188 snapshot->get_subsampled_edges(edges,
189 min(max((int64_t)floor(start), (int64_t)0), last_sample),
190 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
191 samples_per_pixel / Oversampling, _channel->index());
192 assert(edges.size() >= 2);
195 const unsigned int edge_count = edges.size() - 2;
196 QLineF *const edge_lines = new QLineF[edge_count];
199 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
200 const float x = ((*i).first / samples_per_pixel -
201 pixels_offset) + left;
202 *line++ = QLineF(x, high_offset, x, low_offset);
205 p.setPen(EdgeColour);
206 p.drawLines(edge_lines, edge_count);
210 const unsigned int max_cap_line_count = edges.size();
211 QLineF *const cap_lines = new QLineF[max_cap_line_count];
213 p.setPen(HighColour);
214 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
215 pixels_offset, left, high_offset);
217 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
218 pixels_offset, left, low_offset);
223 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
224 vector< pair<int64_t, bool> > &edges, bool level,
225 double samples_per_pixel, double pixels_offset, float x_offset,
228 QLineF *line = lines;
230 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
231 if ((*i).second == level) {
233 ((*i).first / samples_per_pixel -
234 pixels_offset) + x_offset, y_offset,
235 ((*(i+1)).first / samples_per_pixel -
236 pixels_offset) + x_offset, y_offset);
239 p.drawLines(lines, line - lines);
242 void LogicSignal::init_trigger_actions(QWidget *parent)
244 _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
245 tr("No trigger"), parent);
246 _trigger_none->setCheckable(true);
247 connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger()));
249 _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
250 tr("Trigger on rising edge"), parent);
251 _trigger_rising->setCheckable(true);
252 connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger()));
254 _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
255 tr("Trigger on high level"), parent);
256 _trigger_high->setCheckable(true);
257 connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger()));
259 _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
260 tr("Trigger on falling edge"), parent);
261 _trigger_falling->setCheckable(true);
262 connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger()));
264 _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
265 tr("Trigger on low level"), parent);
266 _trigger_low->setCheckable(true);
267 connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger()));
269 _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
270 tr("Trigger on rising or falling edge"), parent);
271 _trigger_change->setCheckable(true);
272 connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger()));
275 QAction* LogicSignal::match_action(const TriggerMatchType *type)
279 action = _trigger_none;
281 switch (type->id()) {
282 case SR_TRIGGER_ZERO:
283 action = _trigger_low;
286 action = _trigger_high;
288 case SR_TRIGGER_RISING:
289 action = _trigger_rising;
291 case SR_TRIGGER_FALLING:
292 action = _trigger_falling;
294 case SR_TRIGGER_EDGE:
295 action = _trigger_change;
305 const TriggerMatchType *LogicSignal::action_match(QAction *action)
307 if (action == _trigger_low)
308 return TriggerMatchType::ZERO;
309 else if (action == _trigger_high)
310 return TriggerMatchType::ONE;
311 else if (action == _trigger_rising)
312 return TriggerMatchType::RISING;
313 else if (action == _trigger_falling)
314 return TriggerMatchType::FALLING;
315 else if (action == _trigger_change)
316 return TriggerMatchType::EDGE;
321 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
323 Glib::VariantContainerBase gvar;
324 vector<int32_t> trig_types;
326 Signal::populate_popup_form(parent, form);
329 gvar = _device->config_list(ConfigKey::TRIGGER_MATCH);
334 _trigger_bar = new QToolBar(parent);
335 init_trigger_actions(_trigger_bar);
336 _trigger_bar->addAction(_trigger_none);
337 _trigger_none->setChecked(!_trigger_match);
339 Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>(
341 for (auto type_id : trig_types) {
342 auto type = TriggerMatchType::get(type_id);
343 _trigger_bar->addAction(match_action(type));
344 match_action(type)->setChecked(_trigger_match == type);
346 form->addRow(tr("Trigger"), _trigger_bar);
350 void LogicSignal::modify_trigger()
352 auto trigger = _session.session()->trigger();
353 auto new_trigger = _session.device_manager().context()->create_trigger("pulseview");
356 for (auto stage : trigger->stages()) {
357 const auto &matches = stage->matches();
358 if (std::none_of(begin(matches), end(matches),
359 [&](shared_ptr<TriggerMatch> match) {
360 return match->channel() != _channel; }))
363 auto new_stage = new_trigger->add_stage();
364 for (auto match : stage->matches()) {
365 if (match->channel() == _channel)
367 new_stage->add_match(match->channel(), match->type());
373 new_trigger->add_stage()->add_match(_channel, _trigger_match);
375 _session.session()->set_trigger(
376 new_trigger->stages().empty() ? nullptr : new_trigger);
379 void LogicSignal::on_trigger()
383 match_action(_trigger_match)->setChecked(false);
385 action = (QAction *)sender();
386 action->setChecked(true);
387 _trigger_match = action_match(action);