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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 channel, shared_ptr<data::Logic> data) : | |
69 | Signal(dev_inst, channel), | |
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 | struct sr_trigger *trigger; | |
79 | struct sr_trigger_stage *stage; | |
80 | struct sr_trigger_match *match; | |
81 | const GSList *l, *m; | |
82 | ||
83 | _colour = SignalColours[channel->index % countof(SignalColours)]; | |
84 | ||
85 | /* Populate this channel's trigger setting with whatever we | |
86 | * find in the current session trigger, if anything. */ | |
87 | _trigger_match = 0; | |
88 | if ((trigger = sr_session_trigger_get(SigSession::_sr_session))) { | |
89 | for (l = trigger->stages; l && !_trigger_match; l = l->next) { | |
90 | stage = (struct sr_trigger_stage *)l->data; | |
91 | for (m = stage->matches; m && !_trigger_match; m = m->next) { | |
92 | match = (struct sr_trigger_match *)m->data; | |
93 | if (match->channel == _channel) | |
94 | _trigger_match = match->match; | |
95 | } | |
96 | } | |
97 | } | |
98 | } | |
99 | ||
100 | LogicSignal::~LogicSignal() | |
101 | { | |
102 | } | |
103 | ||
104 | shared_ptr<pv::data::SignalData> LogicSignal::data() const | |
105 | { | |
106 | return _data; | |
107 | } | |
108 | ||
109 | shared_ptr<pv::data::Logic> LogicSignal::logic_data() const | |
110 | { | |
111 | return _data; | |
112 | } | |
113 | ||
114 | void LogicSignal::paint_back(QPainter &p, int left, int right) | |
115 | { | |
116 | if (_channel->enabled) | |
117 | paint_axis(p, get_y(), left, right); | |
118 | } | |
119 | ||
120 | void LogicSignal::paint_mid(QPainter &p, int left, int right) | |
121 | { | |
122 | using pv::view::View; | |
123 | ||
124 | QLineF *line; | |
125 | ||
126 | vector< pair<int64_t, bool> > edges; | |
127 | ||
128 | assert(_channel); | |
129 | assert(_data); | |
130 | assert(right >= left); | |
131 | ||
132 | assert(_view); | |
133 | const int y = _v_offset - _view->v_offset(); | |
134 | ||
135 | const double scale = _view->scale(); | |
136 | assert(scale > 0); | |
137 | ||
138 | const double offset = _view->offset(); | |
139 | ||
140 | if (!_channel->enabled) | |
141 | return; | |
142 | ||
143 | const float high_offset = y - View::SignalHeight + 0.5f; | |
144 | const float low_offset = y + 0.5f; | |
145 | ||
146 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
147 | _data->get_snapshots(); | |
148 | if (snapshots.empty()) | |
149 | return; | |
150 | ||
151 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
152 | snapshots.front(); | |
153 | ||
154 | double samplerate = _data->samplerate(); | |
155 | ||
156 | // Show sample rate as 1Hz when it is unknown | |
157 | if (samplerate == 0.0) | |
158 | samplerate = 1.0; | |
159 | ||
160 | const double pixels_offset = offset / scale; | |
161 | const double start_time = _data->get_start_time(); | |
162 | const int64_t last_sample = snapshot->get_sample_count() - 1; | |
163 | const double samples_per_pixel = samplerate * scale; | |
164 | const double start = samplerate * (offset - start_time); | |
165 | const double end = start + samples_per_pixel * (right - left); | |
166 | ||
167 | snapshot->get_subsampled_edges(edges, | |
168 | min(max((int64_t)floor(start), (int64_t)0), last_sample), | |
169 | min(max((int64_t)ceil(end), (int64_t)0), last_sample), | |
170 | samples_per_pixel / Oversampling, _channel->index); | |
171 | assert(edges.size() >= 2); | |
172 | ||
173 | // Paint the edges | |
174 | const unsigned int edge_count = edges.size() - 2; | |
175 | QLineF *const edge_lines = new QLineF[edge_count]; | |
176 | line = edge_lines; | |
177 | ||
178 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
179 | const float x = ((*i).first / samples_per_pixel - | |
180 | pixels_offset) + left; | |
181 | *line++ = QLineF(x, high_offset, x, low_offset); | |
182 | } | |
183 | ||
184 | p.setPen(EdgeColour); | |
185 | p.drawLines(edge_lines, edge_count); | |
186 | delete[] edge_lines; | |
187 | ||
188 | // Paint the caps | |
189 | const unsigned int max_cap_line_count = edges.size(); | |
190 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
191 | ||
192 | p.setPen(HighColour); | |
193 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
194 | pixels_offset, left, high_offset); | |
195 | p.setPen(LowColour); | |
196 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
197 | pixels_offset, left, low_offset); | |
198 | ||
199 | delete[] cap_lines; | |
200 | } | |
201 | ||
202 | void LogicSignal::paint_caps(QPainter &p, QLineF *const lines, | |
203 | vector< pair<int64_t, bool> > &edges, bool level, | |
204 | double samples_per_pixel, double pixels_offset, float x_offset, | |
205 | float y_offset) | |
206 | { | |
207 | QLineF *line = lines; | |
208 | ||
209 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
210 | if ((*i).second == level) { | |
211 | *line++ = QLineF( | |
212 | ((*i).first / samples_per_pixel - | |
213 | pixels_offset) + x_offset, y_offset, | |
214 | ((*(i+1)).first / samples_per_pixel - | |
215 | pixels_offset) + x_offset, y_offset); | |
216 | } | |
217 | ||
218 | p.drawLines(lines, line - lines); | |
219 | } | |
220 | ||
221 | void LogicSignal::init_trigger_actions(QWidget *parent) | |
222 | { | |
223 | _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"), | |
224 | tr("No trigger"), parent); | |
225 | _trigger_none->setCheckable(true); | |
226 | connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
227 | ||
228 | _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"), | |
229 | tr("Trigger on rising edge"), parent); | |
230 | _trigger_rising->setCheckable(true); | |
231 | connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
232 | ||
233 | _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"), | |
234 | tr("Trigger on high level"), parent); | |
235 | _trigger_high->setCheckable(true); | |
236 | connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
237 | ||
238 | _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"), | |
239 | tr("Trigger on falling edge"), parent); | |
240 | _trigger_falling->setCheckable(true); | |
241 | connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
242 | ||
243 | _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"), | |
244 | tr("Trigger on low level"), parent); | |
245 | _trigger_low->setCheckable(true); | |
246 | connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
247 | ||
248 | _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"), | |
249 | tr("Trigger on rising or falling edge"), parent); | |
250 | _trigger_change->setCheckable(true); | |
251 | connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
252 | } | |
253 | ||
254 | QAction* LogicSignal::match_action(int match) | |
255 | { | |
256 | QAction *action; | |
257 | ||
258 | action = _trigger_none; | |
259 | switch (match) { | |
260 | case SR_TRIGGER_ZERO: | |
261 | action = _trigger_low; | |
262 | break; | |
263 | case SR_TRIGGER_ONE: | |
264 | action = _trigger_high; | |
265 | break; | |
266 | case SR_TRIGGER_RISING: | |
267 | action = _trigger_rising; | |
268 | break; | |
269 | case SR_TRIGGER_FALLING: | |
270 | action = _trigger_falling; | |
271 | break; | |
272 | case SR_TRIGGER_EDGE: | |
273 | action = _trigger_change; | |
274 | break; | |
275 | } | |
276 | ||
277 | return action; | |
278 | } | |
279 | ||
280 | int LogicSignal::action_match(QAction *action) | |
281 | { | |
282 | int match; | |
283 | ||
284 | if (action == _trigger_low) | |
285 | match = SR_TRIGGER_ZERO; | |
286 | else if (action == _trigger_high) | |
287 | match = SR_TRIGGER_ONE; | |
288 | else if (action == _trigger_rising) | |
289 | match = SR_TRIGGER_RISING; | |
290 | else if (action == _trigger_falling) | |
291 | match = SR_TRIGGER_FALLING; | |
292 | else if (action == _trigger_change) | |
293 | match = SR_TRIGGER_EDGE; | |
294 | else | |
295 | match = 0; | |
296 | ||
297 | return match; | |
298 | } | |
299 | ||
300 | void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
301 | { | |
302 | GVariant *gvar; | |
303 | gsize num_opts; | |
304 | const int32_t *trig_matches; | |
305 | unsigned int i; | |
306 | bool is_checked; | |
307 | ||
308 | Signal::populate_popup_form(parent, form); | |
309 | ||
310 | if (!(gvar = _dev_inst->list_config(NULL, SR_CONF_TRIGGER_MATCH))) | |
311 | return; | |
312 | ||
313 | _trigger_bar = new QToolBar(parent); | |
314 | init_trigger_actions(_trigger_bar); | |
315 | _trigger_bar->addAction(_trigger_none); | |
316 | trig_matches = (const int32_t *)g_variant_get_fixed_array(gvar, | |
317 | &num_opts, sizeof(int32_t)); | |
318 | for (i = 0; i < num_opts; i++) { | |
319 | _trigger_bar->addAction(match_action(trig_matches[i])); | |
320 | is_checked = _trigger_match == trig_matches[i]; | |
321 | match_action(trig_matches[i])->setChecked(is_checked); | |
322 | } | |
323 | form->addRow(tr("Trigger"), _trigger_bar); | |
324 | g_variant_unref(gvar); | |
325 | ||
326 | } | |
327 | ||
328 | void LogicSignal::on_trigger() | |
329 | { | |
330 | QAction *action; | |
331 | ||
332 | match_action(_trigger_match)->setChecked(FALSE); | |
333 | ||
334 | action = (QAction *)sender(); | |
335 | action->setChecked(TRUE); | |
336 | _trigger_match = action_match(action); | |
337 | ||
338 | } | |
339 | ||
340 | } // namespace view | |
341 | } // namespace pv |