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 boost::shared_ptr<pv::data::Logic> LogicSignal::data() const
126 const list<QAction*> LogicSignal::get_context_bar_actions()
129 list<QAction*> actions;
131 actions.push_back(_name_action);
133 // Add the trigger actions
134 const sr_dev_inst *const sdi = _session.get_device();
135 if (sr_config_list(sdi->driver, SR_CONF_TRIGGER_TYPE,
136 &gvar, sdi) == SR_OK) {
137 const char *const trig_types =
138 g_variant_get_string(gvar, NULL);
140 if (trig_types && trig_types[0] != '\0') {
141 actions.push_back(_separator);
143 actions.push_back(_trigger_none);
145 add_trigger_action(trig_types, 'r',
146 _trigger_rising, actions);
147 add_trigger_action(trig_types, '1',
148 _trigger_high, actions);
149 add_trigger_action(trig_types, 'f',
150 _trigger_falling, actions);
151 add_trigger_action(trig_types, '0',
152 _trigger_low, actions);
153 add_trigger_action(trig_types, 'c',
154 _trigger_change, actions);
156 update_trigger_actions();
159 g_variant_unref(gvar);
165 void LogicSignal::paint_back(QPainter &p, int left, int right)
168 paint_axis(p, get_y(), left, right);
171 void LogicSignal::paint_mid(QPainter &p, int left, int right)
173 using pv::view::View;
177 vector< pair<int64_t, bool> > edges;
181 assert(right >= left);
184 const int y = _v_offset - _view->v_offset();
186 const double scale = _view->scale();
189 const double offset = _view->offset();
191 if (!_probe->enabled)
194 const float high_offset = y - View::SignalHeight + 0.5f;
195 const float low_offset = y + 0.5f;
197 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
198 _data->get_snapshots();
199 if (snapshots.empty())
202 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
205 double samplerate = _data->get_samplerate();
207 // Show sample rate as 1Hz when it is unknown
208 if (samplerate == 0.0)
211 const double pixels_offset = offset / scale;
212 const double start_time = _data->get_start_time();
213 const int64_t last_sample = snapshot->get_sample_count() - 1;
214 const double samples_per_pixel = samplerate * scale;
215 const double start = samplerate * (offset - start_time);
216 const double end = start + samples_per_pixel * (right - left);
218 snapshot->get_subsampled_edges(edges,
219 min(max((int64_t)floor(start), (int64_t)0), last_sample),
220 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
221 samples_per_pixel / Oversampling, _probe->index);
222 assert(edges.size() >= 2);
225 const unsigned int edge_count = edges.size() - 2;
226 QLineF *const edge_lines = new QLineF[edge_count];
229 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
231 i != edges.end() - 1; i++) {
232 const float x = ((*i).first / samples_per_pixel -
233 pixels_offset) + left;
234 *line++ = QLineF(x, high_offset, x, low_offset);
237 p.setPen(EdgeColour);
238 p.drawLines(edge_lines, edge_count);
242 const unsigned int max_cap_line_count = (edges.size() - 1);
243 QLineF *const cap_lines = new QLineF[max_cap_line_count];
245 p.setPen(HighColour);
246 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
247 pixels_offset, left, high_offset);
249 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
250 pixels_offset, left, low_offset);
255 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
256 vector< pair<int64_t, bool> > &edges, bool level,
257 double samples_per_pixel, double pixels_offset, float x_offset,
260 QLineF *line = lines;
262 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
263 edges.begin(); i != (edges.end() - 1); i++)
264 if ((*i).second == level) {
266 ((*i).first / samples_per_pixel -
267 pixels_offset) + x_offset, y_offset,
268 ((*(i+1)).first / samples_per_pixel -
269 pixels_offset) + x_offset, y_offset);
272 p.drawLines(lines, line - lines);
275 void LogicSignal::add_trigger_action(const char *trig_types, char type,
276 QAction *action, list<QAction*> &actions)
279 if(*trig_types++ == type) {
280 actions.push_back(action);
285 void LogicSignal::update_trigger_actions()
287 const char cur_trigger = _probe->trigger ?
288 _probe->trigger[0] : '\0';
289 _trigger_none->setChecked(cur_trigger == '\0');
290 _trigger_rising->setChecked(cur_trigger == 'r');
291 _trigger_high->setChecked(cur_trigger == '1');
292 _trigger_falling->setChecked(cur_trigger == 'f');
293 _trigger_low->setChecked(cur_trigger == '0');
294 _trigger_change->setChecked(cur_trigger == 'c');
297 void LogicSignal::set_trigger(char type)
299 const char trigger_type_string[2] = {type, 0};
300 const char *const trigger_string =
301 (type != 0) ? trigger_type_string : NULL;
303 const sr_dev_inst *const sdi = _session.get_device();
304 const int probe_count = g_slist_length(sdi->probes);
305 assert(probe_count > 0);
307 assert(_probe && _probe->index < probe_count);
309 for (int i = 0; i < probe_count; i++) {
310 sr_dev_trigger_set(sdi, i, (i == _probe->index) ?
311 trigger_string : NULL);
314 update_trigger_actions();
317 void LogicSignal::on_trigger_none()
322 void LogicSignal::on_trigger_rising()
327 void LogicSignal::on_trigger_high()
332 void LogicSignal::on_trigger_falling()
337 void LogicSignal::on_trigger_low()
342 void LogicSignal::on_trigger_change()