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 "logicsignal.h"
28 #include "pv/sigsession.h"
29 #include "pv/data/logic.h"
30 #include "pv/data/logicsnapshot.h"
31 #include "pv/view/view.h"
33 using namespace boost;
39 const float LogicSignal::Oversampling = 2.0f;
41 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
42 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
43 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
45 const QColor LogicSignal::SignalColours[10] = {
46 QColor(0x16, 0x19, 0x1A), // Black
47 QColor(0x8F, 0x52, 0x02), // Brown
48 QColor(0xCC, 0x00, 0x00), // Red
49 QColor(0xF5, 0x79, 0x00), // Orange
50 QColor(0xED, 0xD4, 0x00), // Yellow
51 QColor(0x73, 0xD2, 0x16), // Green
52 QColor(0x34, 0x65, 0xA4), // Blue
53 QColor(0x75, 0x50, 0x7B), // Violet
54 QColor(0x88, 0x8A, 0x85), // Grey
55 QColor(0xEE, 0xEE, 0xEC), // White
58 LogicSignal::LogicSignal(pv::SigSession &session, const sr_probe *const probe,
59 shared_ptr<data::Logic> data) :
60 Signal(session, probe),
64 _trigger_rising(NULL),
66 _trigger_falling(NULL),
70 _colour = SignalColours[probe->index % countof(SignalColours)];
73 LogicSignal::~LogicSignal()
77 void LogicSignal::init_context_bar_actions(QWidget *parent)
79 Signal::init_context_bar_actions(parent);
81 _separator = new QAction(parent);
82 _separator->setSeparator(true);
84 _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
85 tr("No trigger"), this);
86 _trigger_none->setCheckable(true);
87 connect(_trigger_none, SIGNAL(triggered()),
88 this, SLOT(on_trigger_none()));
90 _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
91 tr("Trigger on rising edge"), this);
92 _trigger_rising->setCheckable(true);
93 connect(_trigger_rising, SIGNAL(triggered()),
94 this, SLOT(on_trigger_rising()));
96 _trigger_high = new QAction(QIcon(":/icons/trigger-low.svg"),
97 tr("Trigger on high level"), this);
98 _trigger_high->setCheckable(true);
99 connect(_trigger_high, SIGNAL(triggered()),
100 this, SLOT(on_trigger_high()));
102 _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
103 tr("Trigger on falling edge"), this);
104 _trigger_falling->setCheckable(true);
105 connect(_trigger_falling, SIGNAL(triggered()),
106 this, SLOT(on_trigger_falling()));
108 _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
109 tr("Trigger on low level"), this);
110 _trigger_low->setCheckable(true);
111 connect(_trigger_low, SIGNAL(triggered()),
112 this, SLOT(on_trigger_low()));
114 _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
115 tr("Trigger on rising or falling edge"), this);
116 _trigger_change->setCheckable(true);
117 connect(_trigger_change, SIGNAL(triggered()),
118 this, SLOT(on_trigger_change()));
121 const list<QAction*> LogicSignal::get_context_bar_actions()
124 list<QAction*> actions;
126 actions.push_back(_name_action);
128 // Add the trigger actions
129 const sr_dev_inst *const sdi = _session.get_device();
130 if (sr_config_list(sdi->driver, SR_CONF_TRIGGER_TYPE,
131 &gvar, sdi) == SR_OK) {
132 const char *const trig_types =
133 g_variant_get_string(gvar, NULL);
135 if (trig_types && trig_types[0] != '\0') {
136 actions.push_back(_separator);
138 actions.push_back(_trigger_none);
140 add_trigger_action(trig_types, 'r',
141 _trigger_rising, actions);
142 add_trigger_action(trig_types, '1',
143 _trigger_high, actions);
144 add_trigger_action(trig_types, 'f',
145 _trigger_falling, actions);
146 add_trigger_action(trig_types, '0',
147 _trigger_low, actions);
148 add_trigger_action(trig_types, 'c',
149 _trigger_change, actions);
151 update_trigger_actions();
154 g_variant_unref(gvar);
160 void LogicSignal::paint(QPainter &p, int left, int right)
162 using pv::view::View;
166 vector< pair<int64_t, bool> > edges;
170 assert(right >= left);
173 const int y = _v_offset - _view->v_offset();
175 const double scale = _view->scale();
178 const double offset = _view->offset();
180 if (!_probe->enabled)
183 paint_axis(p, y, left, right);
185 const float high_offset = y - View::SignalHeight + 0.5f;
186 const float low_offset = y + 0.5f;
188 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
189 _data->get_snapshots();
190 if (snapshots.empty())
193 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
196 double samplerate = _data->get_samplerate();
198 // Show sample rate as 1Hz when it is unknown
199 if (samplerate == 0.0)
202 const double pixels_offset = offset / scale;
203 const double start_time = _data->get_start_time();
204 const int64_t last_sample = snapshot->get_sample_count() - 1;
205 const double samples_per_pixel = samplerate * scale;
206 const double start = samplerate * (offset - start_time);
207 const double end = start + samples_per_pixel * (right - left);
209 snapshot->get_subsampled_edges(edges,
210 min(max((int64_t)floor(start), (int64_t)0), last_sample),
211 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
212 samples_per_pixel / Oversampling, _probe->index);
213 assert(edges.size() >= 2);
216 const unsigned int edge_count = edges.size() - 2;
217 QLineF *const edge_lines = new QLineF[edge_count];
220 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
222 i != edges.end() - 1; i++) {
223 const float x = ((*i).first / samples_per_pixel -
224 pixels_offset) + left;
225 *line++ = QLineF(x, high_offset, x, low_offset);
228 p.setPen(EdgeColour);
229 p.drawLines(edge_lines, edge_count);
233 const unsigned int max_cap_line_count = (edges.size() - 1);
234 QLineF *const cap_lines = new QLineF[max_cap_line_count];
236 p.setPen(HighColour);
237 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
238 pixels_offset, left, high_offset);
240 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
241 pixels_offset, left, low_offset);
246 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
247 vector< pair<int64_t, bool> > &edges, bool level,
248 double samples_per_pixel, double pixels_offset, float x_offset,
251 QLineF *line = lines;
253 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
254 edges.begin(); i != (edges.end() - 1); i++)
255 if ((*i).second == level) {
257 ((*i).first / samples_per_pixel -
258 pixels_offset) + x_offset, y_offset,
259 ((*(i+1)).first / samples_per_pixel -
260 pixels_offset) + x_offset, y_offset);
263 p.drawLines(lines, line - lines);
266 void LogicSignal::add_trigger_action(const char *trig_types, char type,
267 QAction *action, list<QAction*> &actions)
270 if(*trig_types++ == type) {
271 actions.push_back(action);
276 void LogicSignal::update_trigger_actions()
278 const char cur_trigger = _probe->trigger ?
279 _probe->trigger[0] : '\0';
280 _trigger_none->setChecked(cur_trigger == '\0');
281 _trigger_rising->setChecked(cur_trigger == 'r');
282 _trigger_high->setChecked(cur_trigger == '1');
283 _trigger_falling->setChecked(cur_trigger == 'f');
284 _trigger_low->setChecked(cur_trigger == '0');
285 _trigger_change->setChecked(cur_trigger == 'c');
288 void LogicSignal::set_trigger(char type)
290 const char trigger_type_string[2] = {type, 0};
291 const char *const trigger_string =
292 (type != 0) ? trigger_type_string : NULL;
294 const sr_dev_inst *const sdi = _session.get_device();
295 const int probe_count = g_slist_length(sdi->probes);
296 assert(probe_count > 0);
298 assert(_probe && _probe->index < probe_count);
300 for (int i = 0; i < probe_count; i++) {
301 sr_dev_trigger_set(sdi, i, (i == _probe->index) ?
302 trigger_string : NULL);
305 update_trigger_actions();
308 void LogicSignal::on_trigger_none()
313 void LogicSignal::on_trigger_rising()
318 void LogicSignal::on_trigger_high()
323 void LogicSignal::on_trigger_falling()
328 void LogicSignal::on_trigger_low()
333 void LogicSignal::on_trigger_change()