Introduce math signals

[pulseview.git] / pv / data / mathsignal.cpp

diff --git a/pv/data/mathsignal.cpp b/pv/data/mathsignal.cpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2020 Soeren Apel <soeren@apelpie.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <limits>
+
+#include <QDebug>
+
+#include "mathsignal.hpp"
+
+#include <pv/globalsettings.hpp>
+#include <pv/session.hpp>
+#include <pv/data/analogsegment.hpp>
+#include <pv/data/signalbase.hpp>
+
+using std::make_shared;
+
+namespace pv {
+namespace data {
+
+const int64_t MathSignal::ChunkLength = 256 * 1024;
+
+
+MathSignal::MathSignal(pv::Session &session) :
+       SignalBase(nullptr, SignalBase::MathChannel),
+       session_(session)
+{
+       shared_ptr<data::Analog> data(new data::Analog());
+       set_data(data);
+
+       shared_ptr<data::AnalogSegment> segment = make_shared<data::AnalogSegment>(
+               *data, data->get_segment_count(), session.get_samplerate());
+
+       data->push_segment(segment);
+}
+
+MathSignal::~MathSignal()
+{
+}
+
+void MathSignal::save_settings(QSettings &settings) const
+{
+       (void)settings;
+}
+
+void MathSignal::restore_settings(QSettings &settings)
+{
+       (void)settings;
+}
+
+} // namespace data
+} // namespace pv