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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(this), | |
62 | _icon_trigger_none(":/icons/trigger-none.svg"), | |
63 | _trigger_none(_icon_trigger_none, tr("No trigger"), this), | |
64 | _icon_trigger_rising(":/icons/trigger-rising.svg"), | |
65 | _trigger_rising(_icon_trigger_rising, | |
66 | tr("Trigger on rising edge"), this), | |
67 | _icon_trigger_high(":/icons/trigger-high.svg"), | |
68 | _trigger_high(_icon_trigger_high, | |
69 | tr("Trigger on high level"), this), | |
70 | _icon_trigger_falling(":/icons/trigger-falling.svg"), | |
71 | _trigger_falling(_icon_trigger_falling, | |
72 | tr("Trigger on falling edge"), this), | |
73 | _icon_trigger_low(":/icons/trigger-low.svg"), | |
74 | _trigger_low(_icon_trigger_low, | |
75 | tr("Trigger on low level"), this), | |
76 | _icon_trigger_change(":/icons/trigger-change.svg"), | |
77 | _trigger_change(_icon_trigger_change, | |
78 | tr("Trigger on rising or falling edge"), this) | |
79 | { | |
80 | _colour = SignalColours[probe->index % countof(SignalColours)]; | |
81 | ||
82 | _separator.setSeparator(true); | |
83 | } | |
84 | ||
85 | LogicSignal::~LogicSignal() | |
86 | { | |
87 | } | |
88 | ||
89 | const list<QAction*> LogicSignal::get_context_bar_actions() | |
90 | { | |
91 | GVariant *gvar; | |
92 | list<QAction*> actions; | |
93 | ||
94 | actions.push_back(&_name_action); | |
95 | ||
96 | // Add the trigger actions | |
97 | const sr_dev_inst *const sdi = _session.get_device(); | |
98 | if (sr_config_list(sdi->driver, SR_CONF_TRIGGER_TYPE, | |
99 | &gvar, sdi) == SR_OK) { | |
100 | const char *const trig_types = | |
101 | g_variant_get_string(gvar, NULL); | |
102 | ||
103 | if (trig_types && trig_types[0] != '\0') { | |
104 | actions.push_back(&_separator); | |
105 | ||
106 | actions.push_back(&_trigger_none); | |
107 | ||
108 | add_trigger_action(trig_types, 'r', | |
109 | &_trigger_rising, actions); | |
110 | add_trigger_action(trig_types, '1', | |
111 | &_trigger_high, actions); | |
112 | add_trigger_action(trig_types, 'f', | |
113 | &_trigger_falling, actions); | |
114 | add_trigger_action(trig_types, '0', | |
115 | &_trigger_low, actions); | |
116 | add_trigger_action(trig_types, 'c', | |
117 | &_trigger_change, actions); | |
118 | } | |
119 | ||
120 | g_variant_unref(gvar); | |
121 | } | |
122 | ||
123 | return actions; | |
124 | } | |
125 | ||
126 | void LogicSignal::paint(QPainter &p, int y, int left, int right, | |
127 | double scale, double offset) | |
128 | { | |
129 | using pv::view::View; | |
130 | ||
131 | QLineF *line; | |
132 | ||
133 | vector< pair<int64_t, bool> > edges; | |
134 | ||
135 | assert(_probe); | |
136 | assert(scale > 0); | |
137 | assert(_data); | |
138 | assert(right >= left); | |
139 | ||
140 | if (!_probe->enabled) | |
141 | return; | |
142 | ||
143 | paint_axis(p, y, left, right); | |
144 | ||
145 | const float high_offset = y - View::SignalHeight + 0.5f; | |
146 | const float low_offset = y + 0.5f; | |
147 | ||
148 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
149 | _data->get_snapshots(); | |
150 | if (snapshots.empty()) | |
151 | return; | |
152 | ||
153 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
154 | snapshots.front(); | |
155 | ||
156 | double samplerate = _data->get_samplerate(); | |
157 | ||
158 | // Show sample rate as 1Hz when it is unknown | |
159 | if (samplerate == 0.0) | |
160 | samplerate = 1.0; | |
161 | ||
162 | const double pixels_offset = offset / scale; | |
163 | const double start_time = _data->get_start_time(); | |
164 | const int64_t last_sample = snapshot->get_sample_count() - 1; | |
165 | const double samples_per_pixel = samplerate * scale; | |
166 | const double start = samplerate * (offset - start_time); | |
167 | const double end = start + samples_per_pixel * (right - left); | |
168 | ||
169 | snapshot->get_subsampled_edges(edges, | |
170 | min(max((int64_t)floor(start), (int64_t)0), last_sample), | |
171 | min(max((int64_t)ceil(end), (int64_t)0), last_sample), | |
172 | samples_per_pixel / Oversampling, _probe->index); | |
173 | assert(edges.size() >= 2); | |
174 | ||
175 | // Paint the edges | |
176 | const unsigned int edge_count = edges.size() - 2; | |
177 | QLineF *const edge_lines = new QLineF[edge_count]; | |
178 | line = edge_lines; | |
179 | ||
180 | for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i = | |
181 | edges.begin() + 1; | |
182 | i != edges.end() - 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() - 1); | |
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 (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i = | |
214 | edges.begin(); i != (edges.end() - 1); i++) | |
215 | if ((*i).second == level) { | |
216 | *line++ = QLineF( | |
217 | ((*i).first / samples_per_pixel - | |
218 | pixels_offset) + x_offset, y_offset, | |
219 | ((*(i+1)).first / samples_per_pixel - | |
220 | pixels_offset) + x_offset, y_offset); | |
221 | } | |
222 | ||
223 | p.drawLines(lines, line - lines); | |
224 | } | |
225 | ||
226 | void LogicSignal::add_trigger_action(const char *trig_types, char type, | |
227 | QAction *action, list<QAction*> &actions) | |
228 | { | |
229 | while(*trig_types) | |
230 | if(*trig_types++ == type) { | |
231 | actions.push_back(action); | |
232 | break; | |
233 | } | |
234 | } | |
235 | ||
236 | } // namespace view | |
237 | } // namespace pv |