1 /*
2 * This file is part of the PulseView project.
3 *
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5 * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #ifdef ENABLE_DECODE
22 #include <libsigrokdecode/libsigrokdecode.h>
23 #endif
24
25 #include <libsigrokcxx/libsigrokcxx.hpp>
26
27 #include "pv/session.hpp"
28 #include "pv/util.hpp"
29 #include "pv/data/segment.hpp"
30
31 using std::shared_ptr;
32
33 namespace pv {
34 namespace views {
35
36 const char* ViewTypeNames[ViewTypeCount] = {
37 "Trace View",
38 #ifdef ENABLE_DECODE
39 "Binary Decoder Output View"
40 #endif
41 };
42
43 const int ViewBase::MaxViewAutoUpdateRate = 25; // No more than 25 Hz
44
ViewBase(Session & session,bool is_main_view,QMainWindow * parent)45 ViewBase::ViewBase(Session &session, bool is_main_view, QMainWindow *parent) :
46 // Note: Place defaults in ViewBase::reset_view_state(), not here
47 QWidget(parent),
48 session_(session),
49 is_main_view_(is_main_view)
50 {
51 (void)parent;
52
53 connect(&session_, SIGNAL(signals_changed()),
54 this, SLOT(signals_changed()));
55 connect(&session_, SIGNAL(capture_state_changed(int)),
56 this, SLOT(capture_state_updated(int)));
57 connect(&session_, SIGNAL(new_segment(int)),
58 this, SLOT(on_new_segment(int)));
59
60 connect(&delayed_view_updater_, SIGNAL(timeout()),
61 this, SLOT(perform_delayed_view_update()));
62 delayed_view_updater_.setSingleShot(true);
63 delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
64 }
65
is_main_view() const66 bool ViewBase::is_main_view() const
67 {
68 return is_main_view_;
69 }
70
reset_view_state()71 void ViewBase::reset_view_state()
72 {
73 current_segment_ = 0;
74 }
75
session()76 Session& ViewBase::session()
77 {
78 return session_;
79 }
80
session() const81 const Session& ViewBase::session() const
82 {
83 return session_;
84 }
85
clear_signals()86 void ViewBase::clear_signals()
87 {
88 clear_signalbases();
89 }
90
signalbases() const91 vector< shared_ptr<data::SignalBase> > ViewBase::signalbases() const
92 {
93 return signalbases_;
94 }
95
clear_signalbases()96 void ViewBase::clear_signalbases()
97 {
98 for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
99 disconnect(signalbase.get(), SIGNAL(samples_cleared()),
100 this, SLOT(on_data_updated()));
101 disconnect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
102 this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t)));
103 }
104
105 signalbases_.clear();
106 }
107
add_signalbase(const shared_ptr<data::SignalBase> signalbase)108 void ViewBase::add_signalbase(const shared_ptr<data::SignalBase> signalbase)
109 {
110 signalbases_.push_back(signalbase);
111
112 connect(signalbase.get(), SIGNAL(samples_cleared()),
113 this, SLOT(on_data_updated()));
114 connect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
115 this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t)));
116 }
117
118 #ifdef ENABLE_DECODE
clear_decode_signals()119 void ViewBase::clear_decode_signals()
120 {
121 decode_signals_.clear();
122 }
123
add_decode_signal(shared_ptr<data::DecodeSignal> signal)124 void ViewBase::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
125 {
126 decode_signals_.push_back(signal);
127 }
128
remove_decode_signal(shared_ptr<data::DecodeSignal> signal)129 void ViewBase::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
130 {
131 decode_signals_.erase(std::remove_if(
132 decode_signals_.begin(), decode_signals_.end(),
133 [&](shared_ptr<data::DecodeSignal> s) { return s == signal; }),
134 decode_signals_.end());
135 }
136 #endif
137
save_settings(QSettings & settings) const138 void ViewBase::save_settings(QSettings &settings) const
139 {
140 (void)settings;
141 }
142
restore_settings(QSettings & settings)143 void ViewBase::restore_settings(QSettings &settings)
144 {
145 (void)settings;
146 }
147
trigger_event(int segment_id,util::Timestamp location)148 void ViewBase::trigger_event(int segment_id, util::Timestamp location)
149 {
150 (void)segment_id;
151 (void)location;
152 }
153
signals_changed()154 void ViewBase::signals_changed()
155 {
156 }
157
on_new_segment(int new_segment_id)158 void ViewBase::on_new_segment(int new_segment_id)
159 {
160 (void)new_segment_id;
161 }
162
on_segment_completed(int new_segment_id)163 void ViewBase::on_segment_completed(int new_segment_id)
164 {
165 (void)new_segment_id;
166 }
167
capture_state_updated(int state)168 void ViewBase::capture_state_updated(int state)
169 {
170 (void)state;
171 }
172
perform_delayed_view_update()173 void ViewBase::perform_delayed_view_update()
174 {
175 }
176
on_samples_added(uint64_t segment_id,uint64_t start_sample,uint64_t end_sample)177 void ViewBase::on_samples_added(uint64_t segment_id, uint64_t start_sample,
178 uint64_t end_sample)
179 {
180 (void)start_sample;
181 (void)end_sample;
182
183 if (segment_id != current_segment_)
184 return;
185
186 if (!delayed_view_updater_.isActive())
187 delayed_view_updater_.start();
188 }
189
on_data_updated()190 void ViewBase::on_data_updated()
191 {
192 if (!delayed_view_updater_.isActive())
193 delayed_view_updater_.start();
194 }
195
196 } // namespace views
197 } // namespace pv
198