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
26 #include <QFormLayout>
29 #include "logicsignal.h"
32 #include <pv/sigsession.h>
33 #include <pv/data/logic.h>
34 #include <pv/data/logicsnapshot.h>
35 #include <pv/view/view.h>
37 #include <libsigrok/libsigrok.hpp>
43 using std::shared_ptr;
46 using sigrok::Channel;
47 using sigrok::ConfigKey;
50 using sigrok::Trigger;
51 using sigrok::TriggerMatchType;
56 const float LogicSignal::Oversampling = 2.0f;
58 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
59 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
60 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
62 const QColor LogicSignal::SignalColours[10] = {
63 QColor(0x16, 0x19, 0x1A), // Black
64 QColor(0x8F, 0x52, 0x02), // Brown
65 QColor(0xCC, 0x00, 0x00), // Red
66 QColor(0xF5, 0x79, 0x00), // Orange
67 QColor(0xED, 0xD4, 0x00), // Yellow
68 QColor(0x73, 0xD2, 0x16), // Green
69 QColor(0x34, 0x65, 0xA4), // Blue
70 QColor(0x75, 0x50, 0x7B), // Violet
71 QColor(0x88, 0x8A, 0x85), // Grey
72 QColor(0xEE, 0xEE, 0xEC), // White
75 LogicSignal::LogicSignal(
76 pv::SigSession &session,
77 shared_ptr<Device> device,
78 shared_ptr<Channel> channel,
79 shared_ptr<data::Logic> data) :
80 Signal(session, channel),
84 _trigger_rising(NULL),
86 _trigger_falling(NULL),
90 shared_ptr<Trigger> trigger;
92 _colour = SignalColours[channel->index() % countof(SignalColours)];
94 /* Populate this channel's trigger setting with whatever we
95 * find in the current session trigger, if anything. */
96 _trigger_match = nullptr;
97 if ((trigger = SigSession::_sr_session->trigger()))
98 for (auto stage : trigger->stages())
99 for (auto match : stage->matches())
100 if (match->channel() == _channel)
101 _trigger_match = match->type();
104 LogicSignal::~LogicSignal()
108 shared_ptr<pv::data::SignalData> LogicSignal::data() const
113 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
118 void LogicSignal::paint_back(QPainter &p, int left, int right)
120 if (_channel->enabled())
121 paint_axis(p, get_y(), left, right);
124 void LogicSignal::paint_mid(QPainter &p, int left, int right)
126 using pv::view::View;
130 vector< pair<int64_t, bool> > edges;
134 assert(right >= left);
137 const int y = _v_offset - _view->v_offset();
139 const double scale = _view->scale();
142 const double offset = _view->offset();
144 if (!_channel->enabled())
147 const float high_offset = y - View::SignalHeight + 0.5f;
148 const float low_offset = y + 0.5f;
150 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
151 _data->get_snapshots();
152 if (snapshots.empty())
155 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
158 double samplerate = _data->samplerate();
160 // Show sample rate as 1Hz when it is unknown
161 if (samplerate == 0.0)
164 const double pixels_offset = offset / scale;
165 const double start_time = _data->get_start_time();
166 const int64_t last_sample = snapshot->get_sample_count() - 1;
167 const double samples_per_pixel = samplerate * scale;
168 const double start = samplerate * (offset - start_time);
169 const double end = start + samples_per_pixel * (right - left);
171 snapshot->get_subsampled_edges(edges,
172 min(max((int64_t)floor(start), (int64_t)0), last_sample),
173 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
174 samples_per_pixel / Oversampling, _channel->index());
175 assert(edges.size() >= 2);
178 const unsigned int edge_count = edges.size() - 2;
179 QLineF *const edge_lines = new QLineF[edge_count];
182 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
183 const float x = ((*i).first / samples_per_pixel -
184 pixels_offset) + left;
185 *line++ = QLineF(x, high_offset, x, low_offset);
188 p.setPen(EdgeColour);
189 p.drawLines(edge_lines, edge_count);
193 const unsigned int max_cap_line_count = edges.size();
194 QLineF *const cap_lines = new QLineF[max_cap_line_count];
196 p.setPen(HighColour);
197 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
198 pixels_offset, left, high_offset);
200 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
201 pixels_offset, left, low_offset);
206 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
207 vector< pair<int64_t, bool> > &edges, bool level,
208 double samples_per_pixel, double pixels_offset, float x_offset,
211 QLineF *line = lines;
213 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
214 if ((*i).second == level) {
216 ((*i).first / samples_per_pixel -
217 pixels_offset) + x_offset, y_offset,
218 ((*(i+1)).first / samples_per_pixel -
219 pixels_offset) + x_offset, y_offset);
222 p.drawLines(lines, line - lines);
225 void LogicSignal::init_trigger_actions(QWidget *parent)
227 _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
228 tr("No trigger"), parent);
229 _trigger_none->setCheckable(true);
230 connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger()));
232 _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
233 tr("Trigger on rising edge"), parent);
234 _trigger_rising->setCheckable(true);
235 connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger()));
237 _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
238 tr("Trigger on high level"), parent);
239 _trigger_high->setCheckable(true);
240 connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger()));
242 _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
243 tr("Trigger on falling edge"), parent);
244 _trigger_falling->setCheckable(true);
245 connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger()));
247 _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
248 tr("Trigger on low level"), parent);
249 _trigger_low->setCheckable(true);
250 connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger()));
252 _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
253 tr("Trigger on rising or falling edge"), parent);
254 _trigger_change->setCheckable(true);
255 connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger()));
258 QAction* LogicSignal::match_action(const TriggerMatchType *type)
262 action = _trigger_none;
263 switch (type->id()) {
264 case SR_TRIGGER_ZERO:
265 action = _trigger_low;
268 action = _trigger_high;
270 case SR_TRIGGER_RISING:
271 action = _trigger_rising;
273 case SR_TRIGGER_FALLING:
274 action = _trigger_falling;
276 case SR_TRIGGER_EDGE:
277 action = _trigger_change;
286 const TriggerMatchType *LogicSignal::action_match(QAction *action)
288 if (action == _trigger_low)
289 return TriggerMatchType::ZERO;
290 else if (action == _trigger_high)
291 return TriggerMatchType::ONE;
292 else if (action == _trigger_rising)
293 return TriggerMatchType::RISING;
294 else if (action == _trigger_falling)
295 return TriggerMatchType::FALLING;
296 else if (action == _trigger_change)
297 return TriggerMatchType::EDGE;
302 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
304 Glib::VariantContainerBase gvar;
305 vector<int32_t> trig_types;
307 Signal::populate_popup_form(parent, form);
310 gvar = _device->config_list(ConfigKey::TRIGGER_MATCH);
315 _trigger_bar = new QToolBar(parent);
316 init_trigger_actions(_trigger_bar);
317 _trigger_bar->addAction(_trigger_none);
319 Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>(
321 for (auto type_id : trig_types) {
322 auto type = TriggerMatchType::get(type_id);
323 _trigger_bar->addAction(match_action(type));
324 match_action(type)->setChecked(_trigger_match == type);
326 form->addRow(tr("Trigger"), _trigger_bar);
330 void LogicSignal::on_trigger()
334 match_action(_trigger_match)->setChecked(false);
336 action = (QAction *)sender();
337 action->setChecked(true);
338 _trigger_match = action_match(action);