1 files changed, 59 insertions, 0 deletions
diff --git a/src/NullSymbol.cpp b/src/NullSymbol.cpp
new file mode 100644
index 0000000..6d408a4
--- /dev/null
+++ b/src/NullSymbol.cpp
@@ -0,0 +1,59 @@
+/*
+   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
+   the Queen in Right of Canada (Communications Research Center Canada)
+ */
+/*
+   This file is part of CRC-DADMOD.
+
+   CRC-DADMOD 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 3 of the
+   License, or (at your option) any later version.
+
+   CRC-DADMOD 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 CRC-DADMOD.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "NullSymbol.h"
+#include "PcDebug.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <complex>
+#include <string.h>
+
+typedef std::complex<float> complexf;
+
+
+NullSymbol::NullSymbol(size_t nbCarriers) :
+    ModCodec(ModFormat(0), ModFormat(nbCarriers * sizeof(complexf))),
+    myNbCarriers(nbCarriers)
+{
+    PDEBUG("NullSymbol::NullSymbol(%zu) @ %p\n", nbCarriers, this);
+
+}
+
+
+NullSymbol::~NullSymbol()
+{
+    PDEBUG("NullSymbol::~NullSymbol() @ %p\n", this);
+
+}
+
+
+int NullSymbol::process(Buffer* const dataIn, Buffer* dataOut)
+{
+    PDEBUG("NullSymbol::process"
+            "(dataIn: %p, dataOut: %p)\n",
+            dataIn, dataOut);
+    
+    dataOut->setLength(myNbCarriers * 2 * sizeof(float));
+    bzero(dataOut->getData(), dataOut->getLength());
+
+    return dataOut->getLength();
+}