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
25 #include <QFormLayout>
28 #include "logicsignal.h"
31 #include <pv/sigsession.h>
32 #include <pv/device/devinst.h>
33 #include <pv/data/logic.h>
34 #include <pv/data/logicsnapshot.h>
35 #include <pv/view/view.h>
37 using boost::shared_ptr;
47 const float LogicSignal::Oversampling = 2.0f;
49 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
50 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
51 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
53 const QColor LogicSignal::SignalColours[10] = {
54 QColor(0x16, 0x19, 0x1A), // Black
55 QColor(0x8F, 0x52, 0x02), // Brown
56 QColor(0xCC, 0x00, 0x00), // Red
57 QColor(0xF5, 0x79, 0x00), // Orange
58 QColor(0xED, 0xD4, 0x00), // Yellow
59 QColor(0x73, 0xD2, 0x16), // Green
60 QColor(0x34, 0x65, 0xA4), // Blue
61 QColor(0x75, 0x50, 0x7B), // Violet
62 QColor(0x88, 0x8A, 0x85), // Grey
63 QColor(0xEE, 0xEE, 0xEC), // White
66 LogicSignal::LogicSignal(shared_ptr<pv::device::DevInst> dev_inst,
67 const sr_channel *const probe, shared_ptr<data::Logic> data) :
68 Signal(dev_inst, probe),
71 _trigger_rising(NULL),
73 _trigger_falling(NULL),
77 _colour = SignalColours[probe->index % countof(SignalColours)];
80 LogicSignal::~LogicSignal()
84 shared_ptr<pv::data::SignalData> LogicSignal::data() const
89 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
94 void LogicSignal::paint_back(QPainter &p, int left, int right)
97 paint_axis(p, get_y(), left, right);
100 void LogicSignal::paint_mid(QPainter &p, int left, int right)
102 using pv::view::View;
106 vector< pair<int64_t, bool> > edges;
110 assert(right >= left);
113 const int y = _v_offset - _view->v_offset();
115 const double scale = _view->scale();
118 const double offset = _view->offset();
120 if (!_probe->enabled)
123 const float high_offset = y - View::SignalHeight + 0.5f;
124 const float low_offset = y + 0.5f;
126 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
127 _data->get_snapshots();
128 if (snapshots.empty())
131 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
134 double samplerate = _data->samplerate();
136 // Show sample rate as 1Hz when it is unknown
137 if (samplerate == 0.0)
140 const double pixels_offset = offset / scale;
141 const double start_time = _data->get_start_time();
142 const int64_t last_sample = snapshot->get_sample_count() - 1;
143 const double samples_per_pixel = samplerate * scale;
144 const double start = samplerate * (offset - start_time);
145 const double end = start + samples_per_pixel * (right - left);
147 snapshot->get_subsampled_edges(edges,
148 min(max((int64_t)floor(start), (int64_t)0), last_sample),
149 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
150 samples_per_pixel / Oversampling, _probe->index);
151 assert(edges.size() >= 2);
154 const unsigned int edge_count = edges.size() - 2;
155 QLineF *const edge_lines = new QLineF[edge_count];
158 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
160 i != edges.end() - 1; i++) {
161 const float x = ((*i).first / samples_per_pixel -
162 pixels_offset) + left;
163 *line++ = QLineF(x, high_offset, x, low_offset);
166 p.setPen(EdgeColour);
167 p.drawLines(edge_lines, edge_count);
171 const unsigned int max_cap_line_count = edges.size();
172 QLineF *const cap_lines = new QLineF[max_cap_line_count];
174 p.setPen(HighColour);
175 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
176 pixels_offset, left, high_offset);
178 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
179 pixels_offset, left, low_offset);
184 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
185 vector< pair<int64_t, bool> > &edges, bool level,
186 double samples_per_pixel, double pixels_offset, float x_offset,
189 QLineF *line = lines;
191 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
192 edges.begin(); i != (edges.end() - 1); i++)
193 if ((*i).second == level) {
195 ((*i).first / samples_per_pixel -
196 pixels_offset) + x_offset, y_offset,
197 ((*(i+1)).first / samples_per_pixel -
198 pixels_offset) + x_offset, y_offset);
201 p.drawLines(lines, line - lines);
204 void LogicSignal::init_trigger_actions(QWidget *parent)
206 _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
207 tr("No trigger"), parent);
208 _trigger_none->setCheckable(true);
209 connect(_trigger_none, SIGNAL(triggered()),
210 this, SLOT(on_trigger_none()));
212 _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
213 tr("Trigger on rising edge"), parent);
214 _trigger_rising->setCheckable(true);
215 connect(_trigger_rising, SIGNAL(triggered()),
216 this, SLOT(on_trigger_rising()));
218 _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
219 tr("Trigger on high level"), parent);
220 _trigger_high->setCheckable(true);
221 connect(_trigger_high, SIGNAL(triggered()),
222 this, SLOT(on_trigger_high()));
224 _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
225 tr("Trigger on falling edge"), parent);
226 _trigger_falling->setCheckable(true);
227 connect(_trigger_falling, SIGNAL(triggered()),
228 this, SLOT(on_trigger_falling()));
230 _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
231 tr("Trigger on low level"), parent);
232 _trigger_low->setCheckable(true);
233 connect(_trigger_low, SIGNAL(triggered()),
234 this, SLOT(on_trigger_low()));
236 _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
237 tr("Trigger on rising or falling edge"), parent);
238 _trigger_change->setCheckable(true);
239 connect(_trigger_change, SIGNAL(triggered()),
240 this, SLOT(on_trigger_change()));
243 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
247 Signal::populate_popup_form(parent, form);
249 // Add the trigger actions
251 if ((gvar = _dev_inst->list_config(NULL, SR_CONF_TRIGGER_TYPE)))
253 const char *const trig_types =
254 g_variant_get_string(gvar, NULL);
256 if (trig_types && trig_types[0] != '\0')
258 _trigger_bar = new QToolBar(parent);
260 init_trigger_actions(_trigger_bar);
261 _trigger_bar->addAction(_trigger_none);
262 add_trigger_action(trig_types, 'r', _trigger_rising);
263 add_trigger_action(trig_types, '1', _trigger_high);
264 add_trigger_action(trig_types, 'f', _trigger_falling);
265 add_trigger_action(trig_types, '0', _trigger_low);
266 add_trigger_action(trig_types, 'c', _trigger_change);
268 update_trigger_actions();
270 form->addRow(tr("Trigger"), _trigger_bar);
273 g_variant_unref(gvar);
277 void LogicSignal::add_trigger_action(const char *trig_types, char type,
281 if(*trig_types++ == type) {
282 _trigger_bar->addAction(action);
287 void LogicSignal::update_trigger_actions()
289 const char cur_trigger = _probe->trigger ?
290 _probe->trigger[0] : '\0';
291 _trigger_none->setChecked(cur_trigger == '\0');
292 _trigger_rising->setChecked(cur_trigger == 'r');
293 _trigger_high->setChecked(cur_trigger == '1');
294 _trigger_falling->setChecked(cur_trigger == 'f');
295 _trigger_low->setChecked(cur_trigger == '0');
296 _trigger_change->setChecked(cur_trigger == 'c');
299 void LogicSignal::set_trigger(char type)
301 const char trigger_type_string[2] = {type, 0};
302 const char *const trigger_string =
303 (type != 0) ? trigger_type_string : NULL;
306 const sr_dev_inst *const sdi = _dev_inst->dev_inst();
309 const int probe_count = g_slist_length(sdi->channels);
310 assert(probe_count > 0);
312 assert(_probe && _probe->index < probe_count);
314 for (int i = 0; i < probe_count; i++) {
315 sr_dev_trigger_set(sdi, i, (i == _probe->index) ?
316 trigger_string : NULL);
319 update_trigger_actions();
322 void LogicSignal::on_trigger_none()
327 void LogicSignal::on_trigger_rising()
332 void LogicSignal::on_trigger_high()
337 void LogicSignal::on_trigger_falling()
342 void LogicSignal::on_trigger_low()
347 void LogicSignal::on_trigger_change()