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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 <math.h> | |
24 | ||
25 | #include "logicsignal.h" | |
26 | #include "view.h" | |
27 | ||
28 | #include "pv/sigsession.h" | |
29 | #include "pv/data/logic.h" | |
30 | #include "pv/data/logicsnapshot.h" | |
31 | #include "pv/view/view.h" | |
32 | ||
33 | using namespace boost; | |
34 | using namespace std; | |
35 | ||
36 | namespace pv { | |
37 | namespace view { | |
38 | ||
39 | const float LogicSignal::Oversampling = 2.0f; | |
40 | ||
41 | const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80); | |
42 | const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00); | |
43 | const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00); | |
44 | ||
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 | |
56 | }; | |
57 | ||
58 | LogicSignal::LogicSignal(pv::SigSession &session, const sr_probe *const probe, | |
59 | shared_ptr<data::Logic> data) : | |
60 | Signal(session, probe), | |
61 | _data(data), | |
62 | _separator(NULL), | |
63 | _trigger_none(NULL), | |
64 | _trigger_rising(NULL), | |
65 | _trigger_high(NULL), | |
66 | _trigger_falling(NULL), | |
67 | _trigger_low(NULL), | |
68 | _trigger_change(NULL) | |
69 | { | |
70 | _colour = SignalColours[probe->index % countof(SignalColours)]; | |
71 | } | |
72 | ||
73 | LogicSignal::~LogicSignal() | |
74 | { | |
75 | } | |
76 | ||
77 | void LogicSignal::init_context_bar_actions(QWidget *parent) | |
78 | { | |
79 | Signal::init_context_bar_actions(parent); | |
80 | ||
81 | _separator = new QAction(parent); | |
82 | _separator->setSeparator(true); | |
83 | ||
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())); | |
89 | ||
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())); | |
95 | ||
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())); | |
101 | ||
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())); | |
107 | ||
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())); | |
113 | ||
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())); | |
119 | } | |
120 | ||
121 | boost::shared_ptr<pv::data::Logic> LogicSignal::data() const | |
122 | { | |
123 | return _data; | |
124 | } | |
125 | ||
126 | const list<QAction*> LogicSignal::get_context_bar_actions() | |
127 | { | |
128 | GVariant *gvar; | |
129 | list<QAction*> actions; | |
130 | ||
131 | actions.push_back(_name_action); | |
132 | ||
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); | |
139 | ||
140 | if (trig_types && trig_types[0] != '\0') { | |
141 | actions.push_back(_separator); | |
142 | ||
143 | actions.push_back(_trigger_none); | |
144 | ||
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); | |
155 | ||
156 | update_trigger_actions(); | |
157 | } | |
158 | ||
159 | g_variant_unref(gvar); | |
160 | } | |
161 | ||
162 | return actions; | |
163 | } | |
164 | ||
165 | void LogicSignal::paint_back(QPainter &p, int left, int right) | |
166 | { | |
167 | if (_probe->enabled) | |
168 | paint_axis(p, get_y(), left, right); | |
169 | } | |
170 | ||
171 | void LogicSignal::paint_mid(QPainter &p, int left, int right) | |
172 | { | |
173 | using pv::view::View; | |
174 | ||
175 | QLineF *line; | |
176 | ||
177 | vector< pair<int64_t, bool> > edges; | |
178 | ||
179 | assert(_probe); | |
180 | assert(_data); | |
181 | assert(right >= left); | |
182 | ||
183 | assert(_view); | |
184 | const int y = _v_offset - _view->v_offset(); | |
185 | ||
186 | const double scale = _view->scale(); | |
187 | assert(scale > 0); | |
188 | ||
189 | const double offset = _view->offset(); | |
190 | ||
191 | if (!_probe->enabled) | |
192 | return; | |
193 | ||
194 | const float high_offset = y - View::SignalHeight + 0.5f; | |
195 | const float low_offset = y + 0.5f; | |
196 | ||
197 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
198 | _data->get_snapshots(); | |
199 | if (snapshots.empty()) | |
200 | return; | |
201 | ||
202 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
203 | snapshots.front(); | |
204 | ||
205 | double samplerate = _data->get_samplerate(); | |
206 | ||
207 | // Show sample rate as 1Hz when it is unknown | |
208 | if (samplerate == 0.0) | |
209 | samplerate = 1.0; | |
210 | ||
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); | |
217 | ||
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); | |
223 | ||
224 | // Paint the edges | |
225 | const unsigned int edge_count = edges.size() - 2; | |
226 | QLineF *const edge_lines = new QLineF[edge_count]; | |
227 | line = edge_lines; | |
228 | ||
229 | for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i = | |
230 | edges.begin() + 1; | |
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); | |
235 | } | |
236 | ||
237 | p.setPen(EdgeColour); | |
238 | p.drawLines(edge_lines, edge_count); | |
239 | delete[] edge_lines; | |
240 | ||
241 | // Paint the caps | |
242 | const unsigned int max_cap_line_count = (edges.size() - 1); | |
243 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
244 | ||
245 | p.setPen(HighColour); | |
246 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
247 | pixels_offset, left, high_offset); | |
248 | p.setPen(LowColour); | |
249 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
250 | pixels_offset, left, low_offset); | |
251 | ||
252 | delete[] cap_lines; | |
253 | } | |
254 | ||
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, | |
258 | float y_offset) | |
259 | { | |
260 | QLineF *line = lines; | |
261 | ||
262 | for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i = | |
263 | edges.begin(); i != (edges.end() - 1); i++) | |
264 | if ((*i).second == level) { | |
265 | *line++ = QLineF( | |
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); | |
270 | } | |
271 | ||
272 | p.drawLines(lines, line - lines); | |
273 | } | |
274 | ||
275 | void LogicSignal::add_trigger_action(const char *trig_types, char type, | |
276 | QAction *action, list<QAction*> &actions) | |
277 | { | |
278 | while(*trig_types) | |
279 | if(*trig_types++ == type) { | |
280 | actions.push_back(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 | const sr_dev_inst *const sdi = _session.get_device(); | |
304 | const int probe_count = g_slist_length(sdi->probes); | |
305 | assert(probe_count > 0); | |
306 | ||
307 | assert(_probe && _probe->index < probe_count); | |
308 | ||
309 | for (int i = 0; i < probe_count; i++) { | |
310 | sr_dev_trigger_set(sdi, i, (i == _probe->index) ? | |
311 | trigger_string : NULL); | |
312 | } | |
313 | ||
314 | update_trigger_actions(); | |
315 | } | |
316 | ||
317 | void LogicSignal::on_trigger_none() | |
318 | { | |
319 | set_trigger('\0'); | |
320 | } | |
321 | ||
322 | void LogicSignal::on_trigger_rising() | |
323 | { | |
324 | set_trigger('r'); | |
325 | } | |
326 | ||
327 | void LogicSignal::on_trigger_high() | |
328 | { | |
329 | set_trigger('1'); | |
330 | } | |
331 | ||
332 | void LogicSignal::on_trigger_falling() | |
333 | { | |
334 | set_trigger('f'); | |
335 | } | |
336 | ||
337 | void LogicSignal::on_trigger_low() | |
338 | { | |
339 | set_trigger('0'); | |
340 | } | |
341 | ||
342 | void LogicSignal::on_trigger_change() | |
343 | { | |
344 | set_trigger('c'); | |
345 | } | |
346 | ||
347 | } // namespace view | |
348 | } // namespace pv |