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28a4c9c5 1/*
b3f22de0 2 * This file is part of the PulseView project.
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3 *
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5 *
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.
10 *
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.
15 *
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
19 */
20
cef18fc6 21#include <extdef.h>
7cd5faf8 22
cef18fc6 23#include <math.h>
3e46726a 24
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25#include <QFormLayout>
26#include <QToolBar>
27
28a4c9c5 28#include "logicsignal.h"
2658961b 29#include "view.h"
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30
31#include "pv/sigsession.h"
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32#include "pv/data/logic.h"
33#include "pv/data/logicsnapshot.h"
01fd3263 34#include "pv/view/view.h"
28a4c9c5 35
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36using namespace boost;
37using namespace std;
81a635d1 38
51e77110 39namespace pv {
8d634081 40namespace view {
51e77110 41
17d94d7c 42const float LogicSignal::Oversampling = 2.0f;
131e8012 43
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44const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
45const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
46const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
131e8012 47
299d0e75 48const QColor LogicSignal::SignalColours[10] = {
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49 QColor(0x16, 0x19, 0x1A), // Black
50 QColor(0x8F, 0x52, 0x02), // Brown
51 QColor(0xCC, 0x00, 0x00), // Red
52 QColor(0xF5, 0x79, 0x00), // Orange
53 QColor(0xED, 0xD4, 0x00), // Yellow
54 QColor(0x73, 0xD2, 0x16), // Green
55 QColor(0x34, 0x65, 0xA4), // Blue
56 QColor(0x75, 0x50, 0x7B), // Violet
57 QColor(0x88, 0x8A, 0x85), // Grey
58 QColor(0xEE, 0xEE, 0xEC), // White
59};
60
aca00b1e 61LogicSignal::LogicSignal(pv::SigSession &session, sr_probe *const probe,
cec48d16 62 shared_ptr<data::Logic> data) :
c0f86852 63 Signal(session, probe),
4145b248 64 _data(data),
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65 _trigger_none(NULL),
66 _trigger_rising(NULL),
67 _trigger_high(NULL),
68 _trigger_falling(NULL),
69 _trigger_low(NULL),
70 _trigger_change(NULL)
28a4c9c5 71{
cec48d16 72 _colour = SignalColours[probe->index % countof(SignalColours)];
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73}
74
75LogicSignal::~LogicSignal()
76{
77}
4145b248 78
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79boost::shared_ptr<pv::data::Logic> LogicSignal::data() const
80{
81 return _data;
82}
83
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84void LogicSignal::paint_back(QPainter &p, int left, int right)
85{
86 if (_probe->enabled)
87 paint_axis(p, get_y(), left, right);
88}
89
90void LogicSignal::paint_mid(QPainter &p, int left, int right)
e3f65ace 91{
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92 using pv::view::View;
93
64b60583 94 QLineF *line;
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95
96 vector< pair<int64_t, bool> > edges;
97
cec48d16 98 assert(_probe);
2858b391 99 assert(_data);
2658961b 100 assert(right >= left);
2858b391 101
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102 assert(_view);
103 const int y = _v_offset - _view->v_offset();
104
105 const double scale = _view->scale();
106 assert(scale > 0);
107
108 const double offset = _view->offset();
109
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110 if (!_probe->enabled)
111 return;
112
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113 const float high_offset = y - View::SignalHeight + 0.5f;
114 const float low_offset = y + 0.5f;
131e8012 115
1b1ec774 116 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
2858b391 117 _data->get_snapshots();
333d5bbc 118 if (snapshots.empty())
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119 return;
120
1b1ec774 121 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
8d634081 122 snapshots.front();
2858b391 123
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124 double samplerate = _data->get_samplerate();
125
126 // Show sample rate as 1Hz when it is unknown
9ba4ca35 127 if (samplerate == 0.0)
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128 samplerate = 1.0;
129
fb0d32cb 130 const double pixels_offset = offset / scale;
fb0d32cb 131 const double start_time = _data->get_start_time();
652010ea 132 const int64_t last_sample = snapshot->get_sample_count() - 1;
fb0d32cb 133 const double samples_per_pixel = samplerate * scale;
652010ea 134 const double start = samplerate * (offset - start_time);
2658961b 135 const double end = start + samples_per_pixel * (right - left);
2858b391 136
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137 snapshot->get_subsampled_edges(edges,
138 min(max((int64_t)floor(start), (int64_t)0), last_sample),
139 min(max((int64_t)ceil(end), (int64_t)0), last_sample),
cec48d16 140 samples_per_pixel / Oversampling, _probe->index);
c352ce60 141 assert(edges.size() >= 2);
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142
143 // Paint the edges
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144 const unsigned int edge_count = edges.size() - 2;
145 QLineF *const edge_lines = new QLineF[edge_count];
146 line = edge_lines;
147
1b1ec774 148 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
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149 edges.begin() + 1;
150 i != edges.end() - 1; i++) {
ce6e73a8 151 const float x = ((*i).first / samples_per_pixel -
2658961b 152 pixels_offset) + left;
64b60583 153 *line++ = QLineF(x, high_offset, x, low_offset);
2858b391 154 }
81a635d1 155
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156 p.setPen(EdgeColour);
157 p.drawLines(edge_lines, edge_count);
158 delete[] edge_lines;
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159
160 // Paint the caps
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161 const unsigned int max_cap_line_count = (edges.size() - 1);
162 QLineF *const cap_lines = new QLineF[max_cap_line_count];
2858b391 163
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164 p.setPen(HighColour);
165 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
2658961b 166 pixels_offset, left, high_offset);
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167 p.setPen(LowColour);
168 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
2658961b 169 pixels_offset, left, low_offset);
2858b391 170
64b60583 171 delete[] cap_lines;
131e8012 172}
2858b391 173
f4270878 174void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
131e8012 175 vector< pair<int64_t, bool> > &edges, bool level,
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176 double samples_per_pixel, double pixels_offset, float x_offset,
177 float y_offset)
131e8012 178{
64b60583 179 QLineF *line = lines;
2858b391 180
1b1ec774 181 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
8d634081 182 edges.begin(); i != (edges.end() - 1); i++)
333d5bbc 183 if ((*i).second == level) {
64b60583 184 *line++ = QLineF(
ce6e73a8 185 ((*i).first / samples_per_pixel -
64b60583 186 pixels_offset) + x_offset, y_offset,
ce6e73a8 187 ((*(i+1)).first / samples_per_pixel -
64b60583 188 pixels_offset) + x_offset, y_offset);
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189 }
190
64b60583 191 p.drawLines(lines, line - lines);
e3f65ace 192}
3e46726a 193
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194void LogicSignal::init_trigger_actions(QWidget *parent)
195{
196 _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
197 tr("No trigger"), parent);
198 _trigger_none->setCheckable(true);
199 connect(_trigger_none, SIGNAL(triggered()),
200 this, SLOT(on_trigger_none()));
201
202 _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
203 tr("Trigger on rising edge"), parent);
204 _trigger_rising->setCheckable(true);
205 connect(_trigger_rising, SIGNAL(triggered()),
206 this, SLOT(on_trigger_rising()));
207
208 _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
209 tr("Trigger on high level"), parent);
210 _trigger_high->setCheckable(true);
211 connect(_trigger_high, SIGNAL(triggered()),
212 this, SLOT(on_trigger_high()));
213
214 _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
215 tr("Trigger on falling edge"), parent);
216 _trigger_falling->setCheckable(true);
217 connect(_trigger_falling, SIGNAL(triggered()),
218 this, SLOT(on_trigger_falling()));
219
220 _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
221 tr("Trigger on low level"), parent);
222 _trigger_low->setCheckable(true);
223 connect(_trigger_low, SIGNAL(triggered()),
224 this, SLOT(on_trigger_low()));
225
226 _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
227 tr("Trigger on rising or falling edge"), parent);
228 _trigger_change->setCheckable(true);
229 connect(_trigger_change, SIGNAL(triggered()),
230 this, SLOT(on_trigger_change()));
231}
232
233void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
234{
235 GVariant *gvar;
236
237 Signal::populate_popup_form(parent, form);
238
239 // Add the trigger actions
240 const sr_dev_inst *const sdi = _session.get_device();
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241 if (sr_config_list(sdi->driver, sdi, NULL, SR_CONF_TRIGGER_TYPE,
242 &gvar) == SR_OK)
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243 {
244 const char *const trig_types =
245 g_variant_get_string(gvar, NULL);
246
247 if (trig_types && trig_types[0] != '\0')
248 {
249 _trigger_bar = new QToolBar(parent);
250
251 init_trigger_actions(_trigger_bar);
252 _trigger_bar->addAction(_trigger_none);
253 add_trigger_action(trig_types, 'r', _trigger_rising);
254 add_trigger_action(trig_types, '1', _trigger_high);
255 add_trigger_action(trig_types, 'f', _trigger_falling);
256 add_trigger_action(trig_types, '0', _trigger_low);
257 add_trigger_action(trig_types, 'c', _trigger_change);
258
259 update_trigger_actions();
260
261 form->addRow(tr("Trigger"), _trigger_bar);
262 }
263
264 g_variant_unref(gvar);
265 }
266}
267
268void LogicSignal::add_trigger_action(const char *trig_types, char type,
269 QAction *action)
270{
271 while(*trig_types)
272 if(*trig_types++ == type) {
273 _trigger_bar->addAction(action);
274 break;
275 }
276}
277
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278void LogicSignal::update_trigger_actions()
279{
280 const char cur_trigger = _probe->trigger ?
281 _probe->trigger[0] : '\0';
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282 _trigger_none->setChecked(cur_trigger == '\0');
283 _trigger_rising->setChecked(cur_trigger == 'r');
284 _trigger_high->setChecked(cur_trigger == '1');
285 _trigger_falling->setChecked(cur_trigger == 'f');
286 _trigger_low->setChecked(cur_trigger == '0');
287 _trigger_change->setChecked(cur_trigger == 'c');
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288}
289
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290void LogicSignal::set_trigger(char type)
291{
292 const char trigger_type_string[2] = {type, 0};
293 const char *const trigger_string =
294 (type != 0) ? trigger_type_string : NULL;
295
296 const sr_dev_inst *const sdi = _session.get_device();
297 const int probe_count = g_slist_length(sdi->probes);
298 assert(probe_count > 0);
299
300 assert(_probe && _probe->index < probe_count);
301
302 for (int i = 0; i < probe_count; i++) {
303 sr_dev_trigger_set(sdi, i, (i == _probe->index) ?
304 trigger_string : NULL);
305 }
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306
307 update_trigger_actions();
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308}
309
310void LogicSignal::on_trigger_none()
311{
312 set_trigger('\0');
313}
314
315void LogicSignal::on_trigger_rising()
316{
317 set_trigger('r');
318}
319
320void LogicSignal::on_trigger_high()
321{
322 set_trigger('1');
323}
324
325void LogicSignal::on_trigger_falling()
326{
327 set_trigger('f');
328}
329
330void LogicSignal::on_trigger_low()
331{
332 set_trigger('0');
333}
334
335void LogicSignal::on_trigger_change()
336{
337 set_trigger('c');
338}
339
8d634081 340} // namespace view
51e77110 341} // namespace pv