2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
25 #include "logicsignal.h"
28 #include "pv/sigsession.h"
29 #include "pv/data/logic.h"
30 #include "pv/data/logicsnapshot.h"
32 using namespace boost;
38 const float LogicSignal::Oversampling = 2.0f;
40 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
41 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
42 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
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
57 LogicSignal::LogicSignal(pv::SigSession &session, const sr_probe *const probe,
58 shared_ptr<data::Logic> data) :
59 Signal(session, probe),
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)
80 _colour = SignalColours[probe->index % countof(SignalColours)];
82 _separator.setSeparator(true);
85 LogicSignal::~LogicSignal()
89 const list<QAction*> LogicSignal::get_context_bar_actions()
92 list<QAction*> actions;
94 actions.push_back(&_name_action);
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);
103 if (trig_types && trig_types[0] != '\0') {
104 actions.push_back(&_separator);
106 actions.push_back(&_trigger_none);
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);
120 g_variant_unref(gvar);
126 void LogicSignal::paint(QPainter &p, int y, int left, int right,
127 double scale, double offset)
129 using pv::view::View;
133 vector< pair<int64_t, bool> > edges;
138 assert(right >= left);
140 if (!_probe->enabled)
143 paint_axis(p, y, left, right);
145 const float high_offset = y - View::SignalHeight + 0.5f;
146 const float low_offset = y + 0.5f;
148 const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
149 _data->get_snapshots();
150 if (snapshots.empty())
153 const shared_ptr<pv::data::LogicSnapshot> &snapshot =
156 double samplerate = _data->get_samplerate();
158 // Show sample rate as 1Hz when it is unknown
159 if (samplerate == 0.0)
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);
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);
176 const unsigned int edge_count = edges.size() - 2;
177 QLineF *const edge_lines = new QLineF[edge_count];
180 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
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);
188 p.setPen(EdgeColour);
189 p.drawLines(edge_lines, edge_count);
193 const unsigned int max_cap_line_count = (edges.size() - 1);
194 QLineF *const cap_lines = new QLineF[max_cap_line_count];
196 p.setPen(HighColour);
197 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
198 pixels_offset, left, high_offset);
200 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
201 pixels_offset, left, low_offset);
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,
211 QLineF *line = lines;
213 for (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
214 edges.begin(); i != (edges.end() - 1); i++)
215 if ((*i).second == level) {
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);
223 p.drawLines(lines, line - lines);
226 void LogicSignal::add_trigger_action(const char *trig_types, char type,
227 QAction *action, list<QAction*> &actions)
230 if(*trig_types++ == type) {
231 actions.push_back(action);