From e92f9c408634810828e75d4ad6da408e1c142195 Mon Sep 17 00:00:00 2001
From: "Matthias (think)" <matthias@mpb.li>
Date: Wed, 11 Jul 2012 11:49:12 +0200
Subject: added unmodified mmbtools

---
 src/FrameMultiplexer.cpp | 90 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/FrameMultiplexer.cpp

(limited to 'src/FrameMultiplexer.cpp')

diff --git a/src/FrameMultiplexer.cpp b/src/FrameMultiplexer.cpp
new file mode 100644
index 0000000..4eb72b2
--- /dev/null
+++ b/src/FrameMultiplexer.cpp
@@ -0,0 +1,90 @@
+/*
+   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 "FrameMultiplexer.h"
+#include "PcDebug.h"
+
+#include <stdio.h>
+#include <stdexcept>
+#include <complex>
+#include <assert.h>
+#include <string.h>
+
+typedef std::complex<float> complexf;
+
+
+FrameMultiplexer::FrameMultiplexer(size_t framesize, const std::vector<SubchannelSource*>* subchannels) :
+    ModMux(ModFormat(framesize), ModFormat(framesize)),
+    d_frameSize(framesize),
+    mySubchannels(subchannels)
+{
+    PDEBUG("FrameMultiplexer::FrameMultiplexer(%zu) @ %p\n", framesize, this);
+
+}
+
+
+FrameMultiplexer::~FrameMultiplexer()
+{
+    PDEBUG("FrameMultiplexer::~FrameMultiplexer() @ %p\n", this);
+
+}
+
+
+// dataIn[0] -> PRBS
+// dataIn[1+] -> subchannels
+int FrameMultiplexer::process(std::vector<Buffer*> dataIn, Buffer* dataOut)
+{
+    assert(dataIn.size() >= 1);
+    assert(dataIn[0]->getLength() == 864 * 8);
+    dataOut->setLength(dataIn[0]->getLength());
+
+#ifdef DEBUG
+    fprintf(stderr, "FrameMultiplexer::process(dataIn:");
+    for (unsigned i = 0; i < dataIn.size(); ++i) {
+        fprintf(stderr, " %p", dataIn[i]);
+    }
+    fprintf(stderr, ", sizeIn:");
+    for (unsigned i = 0; i < dataIn.size(); ++i) {
+        fprintf(stderr, " %zu", dataIn[i]->getLength());
+    }
+    fprintf(stderr, ", dataOut: %p, sizeOut: %zu)\n", dataOut, dataOut->getLength());
+#endif
+
+    unsigned char* out = reinterpret_cast<unsigned char*>(dataOut->getData());
+    std::vector<Buffer*>::const_iterator in = dataIn.begin();
+
+    // Write PRBS
+    memcpy(out, (*in)->getData(), (*in)->getLength());
+    ++in;
+    // Write subchannel
+    assert(mySubchannels->size() == dataIn.size() - 1);
+    std::vector<SubchannelSource*>::const_iterator subchannel =
+        mySubchannels->begin();
+    while (in != dataIn.end()) {
+        assert((*subchannel)->framesizeCu() * 8 == (*in)->getLength());
+        size_t offset = (*subchannel)->startAddress() * 8;
+        memcpy(&out[offset], (*in)->getData(), (*in)->getLength());
+        ++in;
+        ++subchannel;
+    }
+
+    return dataOut->getLength();
+}
-- 
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