]>
Commit | Line | Data |
---|---|---|
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 | #include "pv/data/logic.h" | |
28 | #include "pv/data/logicsnapshot.h" | |
29 | ||
30 | using namespace boost; | |
31 | using namespace std; | |
32 | ||
33 | namespace pv { | |
34 | namespace view { | |
35 | ||
36 | const float LogicSignal::Oversampling = 2.0f; | |
37 | ||
38 | const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80); | |
39 | const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00); | |
40 | const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00); | |
41 | ||
42 | const QColor LogicSignal::SignalColours[10] = { | |
43 | QColor(0x16, 0x19, 0x1A), // Black | |
44 | QColor(0x8F, 0x52, 0x02), // Brown | |
45 | QColor(0xCC, 0x00, 0x00), // Red | |
46 | QColor(0xF5, 0x79, 0x00), // Orange | |
47 | QColor(0xED, 0xD4, 0x00), // Yellow | |
48 | QColor(0x73, 0xD2, 0x16), // Green | |
49 | QColor(0x34, 0x65, 0xA4), // Blue | |
50 | QColor(0x75, 0x50, 0x7B), // Violet | |
51 | QColor(0x88, 0x8A, 0x85), // Grey | |
52 | QColor(0xEE, 0xEE, 0xEC), // White | |
53 | }; | |
54 | ||
55 | LogicSignal::LogicSignal(pv::SigSession &session, const sr_probe *const probe, | |
56 | shared_ptr<data::Logic> data) : | |
57 | Signal(session, probe), | |
58 | _data(data), | |
59 | _separator(this), | |
60 | _icon_trigger_none(":/icons/trigger-none.svg"), | |
61 | _trigger_none(_icon_trigger_none, tr("No trigger"), this), | |
62 | _icon_trigger_rising(":/icons/trigger-rising.svg"), | |
63 | _trigger_rising(_icon_trigger_rising, | |
64 | tr("Trigger on rising edge"), this), | |
65 | _icon_trigger_high(":/icons/trigger-high.svg"), | |
66 | _trigger_high(_icon_trigger_high, | |
67 | tr("Trigger on high level"), this), | |
68 | _icon_trigger_falling(":/icons/trigger-falling.svg"), | |
69 | _trigger_falling(_icon_trigger_falling, | |
70 | tr("Trigger on falling edge"), this), | |
71 | _icon_trigger_low(":/icons/trigger-low.svg"), | |
72 | _trigger_low(_icon_trigger_low, | |
73 | tr("Trigger on low level"), this), | |
74 | _icon_trigger_change(":/icons/trigger-change.svg"), | |
75 | _trigger_change(_icon_trigger_change, | |
76 | tr("Trigger on rising or falling edge"), this) | |
77 | { | |
78 | _colour = SignalColours[probe->index % countof(SignalColours)]; | |
79 | ||
80 | _separator.setSeparator(true); | |
81 | } | |
82 | ||
83 | LogicSignal::~LogicSignal() | |
84 | { | |
85 | } | |
86 | ||
87 | const list<QAction*> LogicSignal::get_context_bar_actions() | |
88 | { | |
89 | list<QAction*> actions; | |
90 | actions.push_back(&_name_action); | |
91 | ||
92 | actions.push_back(&_separator); | |
93 | ||
94 | actions.push_back(&_trigger_none); | |
95 | actions.push_back(&_trigger_rising); | |
96 | actions.push_back(&_trigger_high); | |
97 | actions.push_back(&_trigger_falling); | |
98 | actions.push_back(&_trigger_low); | |
99 | actions.push_back(&_trigger_change); | |
100 | ||
101 | return actions; | |
102 | } | |
103 | ||
104 | void LogicSignal::paint(QPainter &p, int y, int left, int right, | |
105 | double scale, double offset) | |
106 | { | |
107 | using pv::view::View; | |
108 | ||
109 | QLineF *line; | |
110 | ||
111 | vector< pair<int64_t, bool> > edges; | |
112 | ||
113 | assert(_probe); | |
114 | assert(scale > 0); | |
115 | assert(_data); | |
116 | assert(right >= left); | |
117 | ||
118 | if (!_probe->enabled) | |
119 | return; | |
120 | ||
121 | paint_axis(p, y, left, right); | |
122 | ||
123 | const float high_offset = y - View::SignalHeight + 0.5f; | |
124 | const float low_offset = y + 0.5f; | |
125 | ||
126 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
127 | _data->get_snapshots(); | |
128 | if (snapshots.empty()) | |
129 | return; | |
130 | ||
131 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
132 | snapshots.front(); | |
133 | ||
134 | double samplerate = _data->get_samplerate(); | |
135 | ||
136 | // Show sample rate as 1Hz when it is unknown | |
137 | if (samplerate == 0.0) | |
138 | samplerate = 1.0; | |
139 | ||
140 | const double pixels_offset = offset / scale; | |
141 | const double start_time = _data->get_start_time(); | |
142 | const int64_t last_sample = snapshot->get_sample_count() - 1; | |
143 | const double samples_per_pixel = samplerate * scale; | |
144 | const double start = samplerate * (offset - start_time); | |
145 | const double end = start + samples_per_pixel * (right - left); | |
146 | ||
147 | snapshot->get_subsampled_edges(edges, | |
148 | min(max((int64_t)floor(start), (int64_t)0), last_sample), | |
149 | min(max((int64_t)ceil(end), (int64_t)0), last_sample), | |
150 | samples_per_pixel / Oversampling, _probe->index); | |
151 | assert(edges.size() >= 2); | |
152 | ||
153 | // Paint the edges | |
154 | const unsigned int edge_count = edges.size() - 2; | |
155 | QLineF *const edge_lines = new QLineF[edge_count]; | |
156 | line = edge_lines; | |
157 | ||
158 | for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i = | |
159 | edges.begin() + 1; | |
160 | i != edges.end() - 1; i++) { | |
161 | const float x = ((*i).first / samples_per_pixel - | |
162 | pixels_offset) + left; | |
163 | *line++ = QLineF(x, high_offset, x, low_offset); | |
164 | } | |
165 | ||
166 | p.setPen(EdgeColour); | |
167 | p.drawLines(edge_lines, edge_count); | |
168 | delete[] edge_lines; | |
169 | ||
170 | // Paint the caps | |
171 | const unsigned int max_cap_line_count = (edges.size() - 1); | |
172 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
173 | ||
174 | p.setPen(HighColour); | |
175 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
176 | pixels_offset, left, high_offset); | |
177 | p.setPen(LowColour); | |
178 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
179 | pixels_offset, left, low_offset); | |
180 | ||
181 | delete[] cap_lines; | |
182 | } | |
183 | ||
184 | void LogicSignal::paint_caps(QPainter &p, QLineF *const lines, | |
185 | vector< pair<int64_t, bool> > &edges, bool level, | |
186 | double samples_per_pixel, double pixels_offset, float x_offset, | |
187 | float y_offset) | |
188 | { | |
189 | QLineF *line = lines; | |
190 | ||
191 | for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i = | |
192 | edges.begin(); i != (edges.end() - 1); i++) | |
193 | if ((*i).second == level) { | |
194 | *line++ = QLineF( | |
195 | ((*i).first / samples_per_pixel - | |
196 | pixels_offset) + x_offset, y_offset, | |
197 | ((*(i+1)).first / samples_per_pixel - | |
198 | pixels_offset) + x_offset, y_offset); | |
199 | } | |
200 | ||
201 | p.drawLines(lines, line - lines); | |
202 | } | |
203 | ||
204 | } // namespace view | |
205 | } // namespace pv |