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1 | /* | |
2 | * This file is part of the PulseView project. | |
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 | ||
21 | #include <extdef.h> | |
22 | ||
23 | #include <cassert> | |
24 | #include <cmath> | |
25 | ||
26 | #include <QFormLayout> | |
27 | #include <QToolBar> | |
28 | ||
29 | #include "logicsignal.h" | |
30 | #include "view.h" | |
31 | ||
32 | #include <pv/sigsession.h> | |
33 | #include <pv/device/devinst.h> | |
34 | #include <pv/data/logic.h> | |
35 | #include <pv/data/logicsnapshot.h> | |
36 | #include <pv/view/view.h> | |
37 | ||
38 | using std::deque; | |
39 | using std::max; | |
40 | using std::min; | |
41 | using std::pair; | |
42 | using std::shared_ptr; | |
43 | using std::vector; | |
44 | ||
45 | namespace pv { | |
46 | namespace view { | |
47 | ||
48 | const float LogicSignal::Oversampling = 2.0f; | |
49 | ||
50 | const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80); | |
51 | const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00); | |
52 | const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00); | |
53 | ||
54 | const QColor LogicSignal::SignalColours[10] = { | |
55 | QColor(0x16, 0x19, 0x1A), // Black | |
56 | QColor(0x8F, 0x52, 0x02), // Brown | |
57 | QColor(0xCC, 0x00, 0x00), // Red | |
58 | QColor(0xF5, 0x79, 0x00), // Orange | |
59 | QColor(0xED, 0xD4, 0x00), // Yellow | |
60 | QColor(0x73, 0xD2, 0x16), // Green | |
61 | QColor(0x34, 0x65, 0xA4), // Blue | |
62 | QColor(0x75, 0x50, 0x7B), // Violet | |
63 | QColor(0x88, 0x8A, 0x85), // Grey | |
64 | QColor(0xEE, 0xEE, 0xEC), // White | |
65 | }; | |
66 | ||
67 | LogicSignal::LogicSignal(shared_ptr<pv::device::DevInst> dev_inst, | |
68 | const sr_channel *const probe, shared_ptr<data::Logic> data) : | |
69 | Signal(dev_inst, probe), | |
70 | _data(data), | |
71 | _trigger_none(NULL), | |
72 | _trigger_rising(NULL), | |
73 | _trigger_high(NULL), | |
74 | _trigger_falling(NULL), | |
75 | _trigger_low(NULL), | |
76 | _trigger_change(NULL) | |
77 | { | |
78 | _colour = SignalColours[probe->index % countof(SignalColours)]; | |
79 | } | |
80 | ||
81 | LogicSignal::~LogicSignal() | |
82 | { | |
83 | } | |
84 | ||
85 | shared_ptr<pv::data::SignalData> LogicSignal::data() const | |
86 | { | |
87 | return _data; | |
88 | } | |
89 | ||
90 | shared_ptr<pv::data::Logic> LogicSignal::logic_data() const | |
91 | { | |
92 | return _data; | |
93 | } | |
94 | ||
95 | void LogicSignal::paint_back(QPainter &p, int left, int right) | |
96 | { | |
97 | if (_probe->enabled) | |
98 | paint_axis(p, get_y(), left, right); | |
99 | } | |
100 | ||
101 | void LogicSignal::paint_mid(QPainter &p, int left, int right) | |
102 | { | |
103 | using pv::view::View; | |
104 | ||
105 | QLineF *line; | |
106 | ||
107 | vector< pair<int64_t, bool> > edges; | |
108 | ||
109 | assert(_probe); | |
110 | assert(_data); | |
111 | assert(right >= left); | |
112 | ||
113 | assert(_view); | |
114 | const int y = _v_offset - _view->v_offset(); | |
115 | ||
116 | const double scale = _view->scale(); | |
117 | assert(scale > 0); | |
118 | ||
119 | const double offset = _view->offset(); | |
120 | ||
121 | if (!_probe->enabled) | |
122 | return; | |
123 | ||
124 | const float high_offset = y - View::SignalHeight + 0.5f; | |
125 | const float low_offset = y + 0.5f; | |
126 | ||
127 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
128 | _data->get_snapshots(); | |
129 | if (snapshots.empty()) | |
130 | return; | |
131 | ||
132 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
133 | snapshots.front(); | |
134 | ||
135 | double samplerate = _data->samplerate(); | |
136 | ||
137 | // Show sample rate as 1Hz when it is unknown | |
138 | if (samplerate == 0.0) | |
139 | samplerate = 1.0; | |
140 | ||
141 | const double pixels_offset = offset / scale; | |
142 | const double start_time = _data->get_start_time(); | |
143 | const int64_t last_sample = snapshot->get_sample_count() - 1; | |
144 | const double samples_per_pixel = samplerate * scale; | |
145 | const double start = samplerate * (offset - start_time); | |
146 | const double end = start + samples_per_pixel * (right - left); | |
147 | ||
148 | snapshot->get_subsampled_edges(edges, | |
149 | min(max((int64_t)floor(start), (int64_t)0), last_sample), | |
150 | min(max((int64_t)ceil(end), (int64_t)0), last_sample), | |
151 | samples_per_pixel / Oversampling, _probe->index); | |
152 | assert(edges.size() >= 2); | |
153 | ||
154 | // Paint the edges | |
155 | const unsigned int edge_count = edges.size() - 2; | |
156 | QLineF *const edge_lines = new QLineF[edge_count]; | |
157 | line = edge_lines; | |
158 | ||
159 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
160 | const float x = ((*i).first / samples_per_pixel - | |
161 | pixels_offset) + left; | |
162 | *line++ = QLineF(x, high_offset, x, low_offset); | |
163 | } | |
164 | ||
165 | p.setPen(EdgeColour); | |
166 | p.drawLines(edge_lines, edge_count); | |
167 | delete[] edge_lines; | |
168 | ||
169 | // Paint the caps | |
170 | const unsigned int max_cap_line_count = edges.size(); | |
171 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
172 | ||
173 | p.setPen(HighColour); | |
174 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
175 | pixels_offset, left, high_offset); | |
176 | p.setPen(LowColour); | |
177 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
178 | pixels_offset, left, low_offset); | |
179 | ||
180 | delete[] cap_lines; | |
181 | } | |
182 | ||
183 | void LogicSignal::paint_caps(QPainter &p, QLineF *const lines, | |
184 | vector< pair<int64_t, bool> > &edges, bool level, | |
185 | double samples_per_pixel, double pixels_offset, float x_offset, | |
186 | float y_offset) | |
187 | { | |
188 | QLineF *line = lines; | |
189 | ||
190 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
191 | if ((*i).second == level) { | |
192 | *line++ = QLineF( | |
193 | ((*i).first / samples_per_pixel - | |
194 | pixels_offset) + x_offset, y_offset, | |
195 | ((*(i+1)).first / samples_per_pixel - | |
196 | pixels_offset) + x_offset, y_offset); | |
197 | } | |
198 | ||
199 | p.drawLines(lines, line - lines); | |
200 | } | |
201 | ||
202 | void LogicSignal::init_trigger_actions(QWidget *parent) | |
203 | { | |
204 | _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"), | |
205 | tr("No trigger"), parent); | |
206 | _trigger_none->setCheckable(true); | |
207 | connect(_trigger_none, SIGNAL(triggered()), | |
208 | this, SLOT(on_trigger_none())); | |
209 | ||
210 | _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"), | |
211 | tr("Trigger on rising edge"), parent); | |
212 | _trigger_rising->setCheckable(true); | |
213 | connect(_trigger_rising, SIGNAL(triggered()), | |
214 | this, SLOT(on_trigger_rising())); | |
215 | ||
216 | _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"), | |
217 | tr("Trigger on high level"), parent); | |
218 | _trigger_high->setCheckable(true); | |
219 | connect(_trigger_high, SIGNAL(triggered()), | |
220 | this, SLOT(on_trigger_high())); | |
221 | ||
222 | _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"), | |
223 | tr("Trigger on falling edge"), parent); | |
224 | _trigger_falling->setCheckable(true); | |
225 | connect(_trigger_falling, SIGNAL(triggered()), | |
226 | this, SLOT(on_trigger_falling())); | |
227 | ||
228 | _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"), | |
229 | tr("Trigger on low level"), parent); | |
230 | _trigger_low->setCheckable(true); | |
231 | connect(_trigger_low, SIGNAL(triggered()), | |
232 | this, SLOT(on_trigger_low())); | |
233 | ||
234 | _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"), | |
235 | tr("Trigger on rising or falling edge"), parent); | |
236 | _trigger_change->setCheckable(true); | |
237 | connect(_trigger_change, SIGNAL(triggered()), | |
238 | this, SLOT(on_trigger_change())); | |
239 | } | |
240 | ||
241 | void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
242 | { | |
243 | GVariant *gvar; | |
244 | ||
245 | Signal::populate_popup_form(parent, form); | |
246 | ||
247 | // Add the trigger actions | |
248 | assert(_dev_inst); | |
249 | if ((gvar = _dev_inst->list_config(NULL, SR_CONF_TRIGGER_TYPE))) | |
250 | { | |
251 | const char *const trig_types = | |
252 | g_variant_get_string(gvar, NULL); | |
253 | ||
254 | if (trig_types && trig_types[0] != '\0') | |
255 | { | |
256 | _trigger_bar = new QToolBar(parent); | |
257 | ||
258 | init_trigger_actions(_trigger_bar); | |
259 | _trigger_bar->addAction(_trigger_none); | |
260 | add_trigger_action(trig_types, 'r', _trigger_rising); | |
261 | add_trigger_action(trig_types, '1', _trigger_high); | |
262 | add_trigger_action(trig_types, 'f', _trigger_falling); | |
263 | add_trigger_action(trig_types, '0', _trigger_low); | |
264 | add_trigger_action(trig_types, 'c', _trigger_change); | |
265 | ||
266 | update_trigger_actions(); | |
267 | ||
268 | form->addRow(tr("Trigger"), _trigger_bar); | |
269 | } | |
270 | ||
271 | g_variant_unref(gvar); | |
272 | } | |
273 | } | |
274 | ||
275 | void LogicSignal::add_trigger_action(const char *trig_types, char type, | |
276 | QAction *action) | |
277 | { | |
278 | while(*trig_types) | |
279 | if(*trig_types++ == type) { | |
280 | _trigger_bar->addAction(action); | |
281 | break; | |
282 | } | |
283 | } | |
284 | ||
285 | void LogicSignal::update_trigger_actions() | |
286 | { | |
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'); | |
295 | } | |
296 | ||
297 | void LogicSignal::set_trigger(char type) | |
298 | { | |
299 | const char trigger_type_string[2] = {type, 0}; | |
300 | const char *const trigger_string = | |
301 | (type != 0) ? trigger_type_string : NULL; | |
302 | ||
303 | assert(_dev_inst); | |
304 | const sr_dev_inst *const sdi = _dev_inst->dev_inst(); | |
305 | assert(sdi); | |
306 | ||
307 | const int probe_count = g_slist_length(sdi->channels); | |
308 | assert(probe_count > 0); | |
309 | ||
310 | assert(_probe && _probe->index < probe_count); | |
311 | ||
312 | for (int i = 0; i < probe_count; i++) { | |
313 | sr_dev_trigger_set(sdi, i, (i == _probe->index) ? | |
314 | trigger_string : NULL); | |
315 | } | |
316 | ||
317 | update_trigger_actions(); | |
318 | } | |
319 | ||
320 | void LogicSignal::on_trigger_none() | |
321 | { | |
322 | set_trigger('\0'); | |
323 | } | |
324 | ||
325 | void LogicSignal::on_trigger_rising() | |
326 | { | |
327 | set_trigger('r'); | |
328 | } | |
329 | ||
330 | void LogicSignal::on_trigger_high() | |
331 | { | |
332 | set_trigger('1'); | |
333 | } | |
334 | ||
335 | void LogicSignal::on_trigger_falling() | |
336 | { | |
337 | set_trigger('f'); | |
338 | } | |
339 | ||
340 | void LogicSignal::on_trigger_low() | |
341 | { | |
342 | set_trigger('0'); | |
343 | } | |
344 | ||
345 | void LogicSignal::on_trigger_change() | |
346 | { | |
347 | set_trigger('c'); | |
348 | } | |
349 | ||
350 | } // namespace view | |
351 | } // namespace pv |