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