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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/data/logic.h> | |
34 | #include <pv/data/logicsnapshot.h> | |
35 | #include <pv/view/view.h> | |
36 | ||
37 | #include <libsigrok/libsigrok.hpp> | |
38 | ||
39 | using std::deque; | |
40 | using std::max; | |
41 | using std::min; | |
42 | using std::pair; | |
43 | using std::shared_ptr; | |
44 | using std::vector; | |
45 | ||
46 | using sigrok::Channel; | |
47 | using sigrok::ConfigKey; | |
48 | using sigrok::Device; | |
49 | using sigrok::Error; | |
50 | using sigrok::Trigger; | |
51 | using sigrok::TriggerMatchType; | |
52 | ||
53 | namespace pv { | |
54 | namespace view { | |
55 | ||
56 | const float LogicSignal::Oversampling = 2.0f; | |
57 | ||
58 | const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80); | |
59 | const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00); | |
60 | const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00); | |
61 | ||
62 | const QColor LogicSignal::SignalColours[10] = { | |
63 | QColor(0x16, 0x19, 0x1A), // Black | |
64 | QColor(0x8F, 0x52, 0x02), // Brown | |
65 | QColor(0xCC, 0x00, 0x00), // Red | |
66 | QColor(0xF5, 0x79, 0x00), // Orange | |
67 | QColor(0xED, 0xD4, 0x00), // Yellow | |
68 | QColor(0x73, 0xD2, 0x16), // Green | |
69 | QColor(0x34, 0x65, 0xA4), // Blue | |
70 | QColor(0x75, 0x50, 0x7B), // Violet | |
71 | QColor(0x88, 0x8A, 0x85), // Grey | |
72 | QColor(0xEE, 0xEE, 0xEC), // White | |
73 | }; | |
74 | ||
75 | LogicSignal::LogicSignal( | |
76 | pv::SigSession &session, | |
77 | shared_ptr<Device> device, | |
78 | shared_ptr<Channel> channel, | |
79 | shared_ptr<data::Logic> data) : | |
80 | Signal(session, channel), | |
81 | _device(device), | |
82 | _data(data), | |
83 | _trigger_none(NULL), | |
84 | _trigger_rising(NULL), | |
85 | _trigger_high(NULL), | |
86 | _trigger_falling(NULL), | |
87 | _trigger_low(NULL), | |
88 | _trigger_change(NULL) | |
89 | { | |
90 | shared_ptr<Trigger> trigger; | |
91 | ||
92 | _colour = SignalColours[channel->index() % countof(SignalColours)]; | |
93 | ||
94 | /* Populate this channel's trigger setting with whatever we | |
95 | * find in the current session trigger, if anything. */ | |
96 | _trigger_match = nullptr; | |
97 | if ((trigger = SigSession::_sr_session->trigger())) | |
98 | for (auto stage : trigger->stages()) | |
99 | for (auto match : stage->matches()) | |
100 | if (match->channel() == _channel) | |
101 | _trigger_match = match->type(); | |
102 | } | |
103 | ||
104 | LogicSignal::~LogicSignal() | |
105 | { | |
106 | } | |
107 | ||
108 | shared_ptr<pv::data::SignalData> LogicSignal::data() const | |
109 | { | |
110 | return _data; | |
111 | } | |
112 | ||
113 | shared_ptr<pv::data::Logic> LogicSignal::logic_data() const | |
114 | { | |
115 | return _data; | |
116 | } | |
117 | ||
118 | void LogicSignal::paint_back(QPainter &p, int left, int right) | |
119 | { | |
120 | if (_channel->enabled()) | |
121 | paint_axis(p, get_y(), left, right); | |
122 | } | |
123 | ||
124 | void LogicSignal::paint_mid(QPainter &p, int left, int right) | |
125 | { | |
126 | using pv::view::View; | |
127 | ||
128 | QLineF *line; | |
129 | ||
130 | vector< pair<int64_t, bool> > edges; | |
131 | ||
132 | assert(_channel); | |
133 | assert(_data); | |
134 | assert(right >= left); | |
135 | ||
136 | assert(_view); | |
137 | const int y = _v_offset - _view->v_offset(); | |
138 | ||
139 | const double scale = _view->scale(); | |
140 | assert(scale > 0); | |
141 | ||
142 | const double offset = _view->offset(); | |
143 | ||
144 | if (!_channel->enabled()) | |
145 | return; | |
146 | ||
147 | const float high_offset = y - View::SignalHeight + 0.5f; | |
148 | const float low_offset = y + 0.5f; | |
149 | ||
150 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
151 | _data->get_snapshots(); | |
152 | if (snapshots.empty()) | |
153 | return; | |
154 | ||
155 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
156 | snapshots.front(); | |
157 | ||
158 | double samplerate = _data->samplerate(); | |
159 | ||
160 | // Show sample rate as 1Hz when it is unknown | |
161 | if (samplerate == 0.0) | |
162 | samplerate = 1.0; | |
163 | ||
164 | const double pixels_offset = offset / scale; | |
165 | const double start_time = _data->get_start_time(); | |
166 | const int64_t last_sample = snapshot->get_sample_count() - 1; | |
167 | const double samples_per_pixel = samplerate * scale; | |
168 | const double start = samplerate * (offset - start_time); | |
169 | const double end = start + samples_per_pixel * (right - left); | |
170 | ||
171 | snapshot->get_subsampled_edges(edges, | |
172 | min(max((int64_t)floor(start), (int64_t)0), last_sample), | |
173 | min(max((int64_t)ceil(end), (int64_t)0), last_sample), | |
174 | samples_per_pixel / Oversampling, _channel->index()); | |
175 | assert(edges.size() >= 2); | |
176 | ||
177 | // Paint the edges | |
178 | const unsigned int edge_count = edges.size() - 2; | |
179 | QLineF *const edge_lines = new QLineF[edge_count]; | |
180 | line = edge_lines; | |
181 | ||
182 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
183 | const float x = ((*i).first / samples_per_pixel - | |
184 | pixels_offset) + left; | |
185 | *line++ = QLineF(x, high_offset, x, low_offset); | |
186 | } | |
187 | ||
188 | p.setPen(EdgeColour); | |
189 | p.drawLines(edge_lines, edge_count); | |
190 | delete[] edge_lines; | |
191 | ||
192 | // Paint the caps | |
193 | const unsigned int max_cap_line_count = edges.size(); | |
194 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
195 | ||
196 | p.setPen(HighColour); | |
197 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
198 | pixels_offset, left, high_offset); | |
199 | p.setPen(LowColour); | |
200 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
201 | pixels_offset, left, low_offset); | |
202 | ||
203 | delete[] cap_lines; | |
204 | } | |
205 | ||
206 | void LogicSignal::paint_caps(QPainter &p, QLineF *const lines, | |
207 | vector< pair<int64_t, bool> > &edges, bool level, | |
208 | double samples_per_pixel, double pixels_offset, float x_offset, | |
209 | float y_offset) | |
210 | { | |
211 | QLineF *line = lines; | |
212 | ||
213 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
214 | if ((*i).second == level) { | |
215 | *line++ = QLineF( | |
216 | ((*i).first / samples_per_pixel - | |
217 | pixels_offset) + x_offset, y_offset, | |
218 | ((*(i+1)).first / samples_per_pixel - | |
219 | pixels_offset) + x_offset, y_offset); | |
220 | } | |
221 | ||
222 | p.drawLines(lines, line - lines); | |
223 | } | |
224 | ||
225 | void LogicSignal::init_trigger_actions(QWidget *parent) | |
226 | { | |
227 | _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"), | |
228 | tr("No trigger"), parent); | |
229 | _trigger_none->setCheckable(true); | |
230 | connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
231 | ||
232 | _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"), | |
233 | tr("Trigger on rising edge"), parent); | |
234 | _trigger_rising->setCheckable(true); | |
235 | connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
236 | ||
237 | _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"), | |
238 | tr("Trigger on high level"), parent); | |
239 | _trigger_high->setCheckable(true); | |
240 | connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
241 | ||
242 | _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"), | |
243 | tr("Trigger on falling edge"), parent); | |
244 | _trigger_falling->setCheckable(true); | |
245 | connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
246 | ||
247 | _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"), | |
248 | tr("Trigger on low level"), parent); | |
249 | _trigger_low->setCheckable(true); | |
250 | connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
251 | ||
252 | _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"), | |
253 | tr("Trigger on rising or falling edge"), parent); | |
254 | _trigger_change->setCheckable(true); | |
255 | connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
256 | } | |
257 | ||
258 | QAction* LogicSignal::match_action(const TriggerMatchType *type) | |
259 | { | |
260 | QAction *action; | |
261 | ||
262 | action = _trigger_none; | |
263 | switch (type->id()) { | |
264 | case SR_TRIGGER_ZERO: | |
265 | action = _trigger_low; | |
266 | break; | |
267 | case SR_TRIGGER_ONE: | |
268 | action = _trigger_high; | |
269 | break; | |
270 | case SR_TRIGGER_RISING: | |
271 | action = _trigger_rising; | |
272 | break; | |
273 | case SR_TRIGGER_FALLING: | |
274 | action = _trigger_falling; | |
275 | break; | |
276 | case SR_TRIGGER_EDGE: | |
277 | action = _trigger_change; | |
278 | break; | |
279 | default: | |
280 | assert(0); | |
281 | } | |
282 | ||
283 | return action; | |
284 | } | |
285 | ||
286 | const TriggerMatchType *LogicSignal::action_match(QAction *action) | |
287 | { | |
288 | if (action == _trigger_low) | |
289 | return TriggerMatchType::ZERO; | |
290 | else if (action == _trigger_high) | |
291 | return TriggerMatchType::ONE; | |
292 | else if (action == _trigger_rising) | |
293 | return TriggerMatchType::RISING; | |
294 | else if (action == _trigger_falling) | |
295 | return TriggerMatchType::FALLING; | |
296 | else if (action == _trigger_change) | |
297 | return TriggerMatchType::EDGE; | |
298 | else | |
299 | return nullptr; | |
300 | } | |
301 | ||
302 | void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
303 | { | |
304 | Glib::VariantContainerBase gvar; | |
305 | vector<int32_t> trig_types; | |
306 | ||
307 | Signal::populate_popup_form(parent, form); | |
308 | ||
309 | try { | |
310 | gvar = _device->config_list(ConfigKey::TRIGGER_MATCH); | |
311 | } catch (Error e) { | |
312 | return; | |
313 | } | |
314 | ||
315 | _trigger_bar = new QToolBar(parent); | |
316 | init_trigger_actions(_trigger_bar); | |
317 | _trigger_bar->addAction(_trigger_none); | |
318 | trig_types = | |
319 | Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>( | |
320 | gvar).get(); | |
321 | for (auto type_id : trig_types) { | |
322 | auto type = TriggerMatchType::get(type_id); | |
323 | _trigger_bar->addAction(match_action(type)); | |
324 | match_action(type)->setChecked(_trigger_match == type); | |
325 | } | |
326 | form->addRow(tr("Trigger"), _trigger_bar); | |
327 | ||
328 | } | |
329 | ||
330 | void LogicSignal::on_trigger() | |
331 | { | |
332 | QAction *action; | |
333 | ||
334 | match_action(_trigger_match)->setChecked(false); | |
335 | ||
336 | action = (QAction *)sender(); | |
337 | action->setChecked(true); | |
338 | _trigger_match = action_match(action); | |
339 | ||
340 | } | |
341 | ||
342 | } // namespace view | |
343 | } // namespace pv |