diff options
Diffstat (limited to 'src')
77 files changed, 10136 insertions, 0 deletions
diff --git a/src/BlockPartitioner.cpp b/src/BlockPartitioner.cpp new file mode 100644 index 0000000..bb16ae2 --- /dev/null +++ b/src/BlockPartitioner.cpp @@ -0,0 +1,139 @@ +/* + 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 "BlockPartitioner.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> +#include <string.h> +#include <stdint.h> +#include <assert.h> + + +BlockPartitioner::BlockPartitioner(unsigned mode, unsigned fct) : + ModMux(ModFormat(0), ModFormat(0)), + d_mode(mode) +{ + PDEBUG("BlockPartitioner::BlockPartitioner(%i)\n", mode); + + switch (mode) { + case 1: + d_ficSize = 2304 / 8; + d_cifCount = 4; + d_outputFramesize = 3072 / 8; + d_outputFramecount = 72; + break; + case 2: + d_ficSize = 2304 / 8; + d_cifCount = 1; + d_outputFramesize = 768 / 8; + d_outputFramecount = 72; + break; + case 3: + d_ficSize = 3072 / 8; + d_cifCount = 1; + d_outputFramesize = 384 / 8; + d_outputFramecount = 144; + break; + case 4: + d_ficSize = 2304 / 8; + d_cifCount = 2; + d_outputFramesize = 1536 / 8; + d_outputFramecount = 72; + break; + default: + throw std::runtime_error( + "BlockPartitioner::BlockPartitioner invalid mode"); + break; + } + d_cifNb = 0; + // For Synchronisation purpose, count nb of CIF to drop + d_cifInit = fct % d_cifCount; + d_cifSize = 864 * 8; + + myInputFormat.size(d_cifSize); + myOutputFormat.size(d_cifSize * d_cifCount); +} + + +BlockPartitioner::~BlockPartitioner() +{ + PDEBUG("BlockPartitioner::~BlockPartitioner()\n"); + +} + + +// dataIn[0] -> FIC +// dataIn[1] -> CIF +int BlockPartitioner::process(std::vector<Buffer*> dataIn, Buffer* dataOut) +{ + assert(dataIn.size() == 2); + dataOut->setLength(d_cifCount * (d_ficSize + d_cifSize)); + +#ifdef DEBUG + fprintf(stderr, "BlockPartitioner::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 + + if (dataIn[0]->getLength() != d_ficSize) { + throw std::runtime_error( + "BlockPartitioner::process input size not valid!"); + } + if (dataIn[1]->getLength() != d_cifSize) { + throw std::runtime_error( + "BlockPartitioner::process input size not valid!"); + } + + // Synchronize first CIF + if (d_cifInit != 0) { + if (++d_cifInit == d_cifCount) { + d_cifInit = 0; + } + // Drop CIF + return 0; + } + + uint8_t* fic = reinterpret_cast<uint8_t*>(dataIn[0]->getData()); + uint8_t* cif = reinterpret_cast<uint8_t*>(dataIn[1]->getData()); + uint8_t* out = reinterpret_cast<uint8_t*>(dataOut->getData()); + + // Copy FIC data + PDEBUG("Writting FIC %zu bytes to %zu\n", d_ficSize, d_cifNb * d_ficSize); + memcpy(out + (d_cifNb * d_ficSize), fic, d_ficSize); + // Copy CIF data + PDEBUG("Writting CIF %u bytes to %zu\n", 864 * 8, + (d_cifCount * d_ficSize) + (d_cifNb * 864 * 8)); + memcpy(out + (d_cifCount * d_ficSize) + (d_cifNb * 864 * 8), cif, 864 * 8); + + if (++d_cifNb == d_cifCount) { + d_cifNb = 0; + } + + return d_cifNb == 0; +} diff --git a/src/BlockPartitioner.h b/src/BlockPartitioner.h new file mode 100644 index 0000000..ec788bf --- /dev/null +++ b/src/BlockPartitioner.h @@ -0,0 +1,58 @@ +/* + 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/>. + */ + +#ifndef BLOCK_PARTITIONER_H +#define BLOCK_PARTITIONER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModMux.h" + +#include <sys/types.h> + + +class BlockPartitioner : public ModMux +{ +public: + BlockPartitioner(unsigned mode, unsigned fct); + virtual ~BlockPartitioner(); + BlockPartitioner(const BlockPartitioner&); + BlockPartitioner& operator=(const BlockPartitioner&); + + int process(std::vector<Buffer*> dataIn, Buffer* dataOut); + const char* name() { return "BlockPartitioner"; } + +protected: + int d_mode; + size_t d_ficSize; + size_t d_cifCount; + size_t d_cifNb; + size_t d_cifInit; + size_t d_cifSize; + size_t d_outputFramesize; + size_t d_outputFramecount; +}; + + +#endif // BLOCK_PARTITIONER_H diff --git a/src/Buffer.cpp b/src/Buffer.cpp new file mode 100644 index 0000000..cef4ad5 --- /dev/null +++ b/src/Buffer.cpp @@ -0,0 +1,108 @@ +/* + Copyright (C) 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 "Buffer.h" +#include "PcDebug.h" + +#include <stdlib.h> +#include <string.h> +#include <malloc.h> +#ifdef HAVE_DECL__MM_MALLOC +# include <mm_malloc.h> +#else +# define memalign(a, b) malloc(b) +#endif + + + +Buffer::Buffer(size_t len, const void *data) +{ + PDEBUG("Buffer::Buffer(%zu, %p)\n", len, data); + + this->len = 0; + this->size = 0; + this->data = NULL; + setData(data, len); +} + + +Buffer::~Buffer() +{ + free(data); +} + + +Buffer &Buffer::operator=(const Buffer ©) +{ + setData(copy.data, copy.len); + return *this; +} + + +Buffer &Buffer::operator+=(const Buffer ©) +{ + appendData(copy.data, copy.len); + return *this; +} + + +void Buffer::setLength(size_t len) +{ + if (len > size) { + void *tmp = data; + //data = _mm_malloc(len, 16); + data = memalign(16, len); + memcpy(data, tmp, this->len); + free(tmp); + size = len; + } + this->len = len; +} + + +void Buffer::setData(const void *data, size_t len) +{ + setLength(0); + appendData(data, len); +} + + +void Buffer::appendData(const void *data, size_t len) +{ + size_t offset = this->len; + setLength(this->len + len); + if (data != NULL) { + memcpy((char*)this->data + offset, data, len); + } +} + + +size_t Buffer::getLength() +{ + return len; +} + + +void *Buffer::getData() +{ + return data; +} diff --git a/src/Buffer.h b/src/Buffer.h new file mode 100644 index 0000000..e0ab72b --- /dev/null +++ b/src/Buffer.h @@ -0,0 +1,56 @@ +/* + Copyright (C) 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/>. + */ + +#ifndef BUFFER_H +#define BUFFER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <unistd.h> + + +class Buffer { +protected: + size_t len; + size_t size; + void *data; + +public: + Buffer(const Buffer& copy); + Buffer(size_t len = 0, const void *data = NULL); + ~Buffer(); + + Buffer &operator=(const Buffer ©); + Buffer &operator+=(const Buffer ©); + + void setLength(size_t len); + void setData(const void *data, size_t len); + void appendData(const void *data, size_t len); + + size_t getLength(); + void *getData(); +}; + + +#endif // BUFFER_H diff --git a/src/CicEqualizer.cpp b/src/CicEqualizer.cpp new file mode 100644 index 0000000..06f4550 --- /dev/null +++ b/src/CicEqualizer.cpp @@ -0,0 +1,96 @@ +/* + Copyright (C) 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 "CicEqualizer.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> + + +CicEqualizer::CicEqualizer(size_t nbCarriers, size_t spacing, int R) : + ModCodec(ModFormat(nbCarriers * sizeof(complexf)), + ModFormat(nbCarriers * sizeof(complexf))), + myNbCarriers(nbCarriers), + mySpacing(spacing) +{ + PDEBUG("CicEqualizer::CicEqualizer(%zu, %zu, %i) @ %p\n", + nbCarriers, spacing, R, this); + + myFilter = new float[nbCarriers]; + int M = 1; + int N = 4; + float pi = 4.0f * atanf(1.0f); + for (size_t i = 0; i < nbCarriers; ++i) { + int k = i < (nbCarriers + 1) / 2 + ? i + ((nbCarriers & 1) ^ 1) + : i - (int)nbCarriers; + float angle = pi * k / spacing; + if (k == 0) { + myFilter[i] = R; + } else { + myFilter[i] = sinf(angle / R) / sinf(angle * M); + } + myFilter[i] = fabsf(myFilter[i]) * R; + myFilter[i] = powf(myFilter[i], N); + myFilter[i] *= 0.5f; + PDEBUG("HCic[%zu -> %i] = %f (%f dB) -> angle: %f\n", + i, k,myFilter[i], 20.0 * log10(myFilter[i]), angle); + } +} + + +CicEqualizer::~CicEqualizer() +{ + PDEBUG("CicEqualizer::~CicEqualizer() @ %p\n", this); + + if (myFilter != NULL) { + delete[] myFilter; + } +} + + +int CicEqualizer::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("CicEqualizer::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + dataOut->setLength(dataIn->getLength()); + + const complexf* in = reinterpret_cast<const complexf*>(dataIn->getData()); + complexf* out = reinterpret_cast<complexf*>(dataOut->getData()); + size_t sizeIn = dataIn->getLength() / sizeof(complexf); + size_t sizeOut = dataOut->getLength() / sizeof(complexf); + + if ((sizeIn % myNbCarriers) != 0) { + PDEBUG("%zu != %zu\n", sizeIn, myNbCarriers); + throw std::runtime_error( + "CicEqualizer::process input size not valid!"); + } + + for (size_t i = 0; i < sizeOut; ) { + for (size_t j = 0; j < myNbCarriers; ++j, ++i) { + out[i] = in[i] * myFilter[j]; + } + } + + return sizeOut; +} diff --git a/src/CicEqualizer.h b/src/CicEqualizer.h new file mode 100644 index 0000000..55e5923 --- /dev/null +++ b/src/CicEqualizer.h @@ -0,0 +1,61 @@ +/* + Copyright (C) 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/>. + */ + +#ifndef CIC_EQUALIZER_H +#define CIC_EQUALIZER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + + +#include <sys/types.h> +#include <complex> +#ifdef __SSE__ +# include <xmmintrin.h> +#endif + + +typedef std::complex<float> complexf; + +class CicEqualizer : public ModCodec +{ +public: + CicEqualizer(size_t nbCarriers, size_t spacing, int R); + virtual ~CicEqualizer(); + CicEqualizer(const CicEqualizer&); + CicEqualizer& operator=(const CicEqualizer&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "CicEqualizer"; } + +protected: + size_t myNbCarriers; + size_t mySpacing; + float* myFilter; +}; + + +#endif //CIC_EQUALIZER_H diff --git a/src/ConvEncoder.cpp b/src/ConvEncoder.cpp new file mode 100644 index 0000000..109b51a --- /dev/null +++ b/src/ConvEncoder.cpp @@ -0,0 +1,150 @@ +/* + 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 "ConvEncoder.h" +#include "PcDebug.h" + +#include <stdlib.h> +#include <stdio.h> +#include <stdexcept> + + +const static unsigned char PARITY[] = { + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0 +}; + + +ConvEncoder::ConvEncoder(size_t framesize) : + ModCodec(ModFormat(framesize), ModFormat((framesize * 4) + 3)), + d_framesize(framesize) +{ + PDEBUG("ConvEncoder::ConvEncoder(%zu)\n", framesize); + +} + + +ConvEncoder::~ConvEncoder() +{ + PDEBUG("ConvEncoder::~ConvEncoder()\n"); + +} + + +int ConvEncoder::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("ConvEncoder::process" + "(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + size_t in_block_size = d_framesize; + size_t out_block_size = (d_framesize * 4) + 3; + size_t in_offset = 0; + size_t out_offset = 0; + unsigned short memory = 0; + unsigned char data; + + if (dataIn->getLength() != in_block_size) { + PDEBUG("%zu != %zu != 0\n", dataIn->getLength(), in_block_size); + throw std::runtime_error( + "ConvEncoder::process input size not valid!\n"); + } + dataOut->setLength(out_block_size); + const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); + unsigned char* out = reinterpret_cast<unsigned char*>(dataOut->getData()); + + // While there is enought input and ouput items + while (dataIn->getLength() - in_offset >= in_block_size && + dataOut->getLength() - out_offset >= out_block_size) { + for (size_t in_count = 0; in_count < in_block_size; ++in_count) { + data = in[in_offset]; + //PDEBUG("Input: 0x%x\n", data); + // For next 4 output bytes + for (unsigned out_count = 0; out_count < 4; ++out_count) { + out[out_offset] = 0; + // For each 4-bit output word + for (unsigned j = 0; j < 2; ++j) { + memory >>= 1; + memory |= (data >> 7) << 6; + data <<= 1; + //PDEBUG("Memory: 0x%x\n", memory); + unsigned char poly[4] = { + memory & 0x5b, + memory & 0x79, + memory & 0x65, + memory & 0x5b + }; + //PDEBUG("Polys: 0x%x, 0x%x, 0x%x, 0x%x\n", poly[0], poly[1], poly[2], poly[3]); + // For each poly + for (unsigned k = 0; k < 4; ++k) { + out[out_offset] <<= 1; + out[out_offset] |= PARITY[poly[k]]; + //PDEBUG("Out bit: %i\n", out[no] >> 7); + } + } + //PDEBUG("Out: 0x%x\n", out[no]); + ++out_offset; + } + ++in_offset; + } + for (unsigned pad_count = 0; pad_count < 3; ++pad_count) { + out[out_offset] = 0; + // For each 4-bit output word + for (unsigned j = 0; j < 2; ++j) { + memory >>= 1; + //PDEBUG("Memory: 0x%x\n", memory); + unsigned char poly[4] = { + memory & 0x5b, + memory & 0x79, + memory & 0x65, + memory & 0x5b + }; + //PDEBUG("Polys: 0x%x, 0x%x, 0x%x, 0x%x\n", poly[0], poly[1], poly[2], poly[3]); + // For each poly + for (unsigned k = 0; k < 4; ++k) { + out[out_offset] <<= 1; + out[out_offset] |= PARITY[poly[k]]; + //PDEBUG("Out bit: %i\n", out[no] >> 7); + } + } + //PDEBUG("Out: 0x%x\n", out[no]); + ++out_offset; + } + } + + PDEBUG(" Consume: %zu\n", in_offset); + PDEBUG(" Return: %zu\n", out_offset); + return out_offset; +} diff --git a/src/ConvEncoder.h b/src/ConvEncoder.h new file mode 100644 index 0000000..7f79e98 --- /dev/null +++ b/src/ConvEncoder.h @@ -0,0 +1,50 @@ +/* + 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/>. + */ + +#ifndef CONV_ENCODER_H +#define CONV_ENCODER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + +#include <sys/types.h> + + +class ConvEncoder : public ModCodec +{ +private: + size_t d_framesize; + +protected: + +public: + ConvEncoder(size_t framesize); + virtual ~ConvEncoder(); + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "ConvEncoder"; } +}; + + +#endif // CONV_ENCODER_H diff --git a/src/DabMod.cpp b/src/DabMod.cpp new file mode 100644 index 0000000..db0c712 --- /dev/null +++ b/src/DabMod.cpp @@ -0,0 +1,456 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + 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/>. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "porting.h" + +#include "DabModulator.h" +#include "InputMemory.h" +#include "OutputFile.h" +#include "PcDebug.h" + +#include <complex> +#include <stdlib.h> +#include <unistd.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <stdexcept> +#include <signal.h> +#include <string.h> + +#ifdef HAVE_NETINET_IN_H +# include <netinet/in.h> +#endif + +#ifdef HAVE_DECL__MM_MALLOC +# include <mm_malloc.h> +#else +# define memalign(a, b) malloc(b) +#endif + + +typedef std::complex<float> complexf; + + +bool running = true; + +void signalHandler(int signalNb) +{ + PDEBUG("signalHandler(%i)\n", signalNb); + + running = false; +} + + +void printUsage(char* progName, FILE* out = stderr) +{ + fprintf(out, "Usage:\n"); + fprintf(out, "\t%s" + " [input [output]]" + " [-a amplitude]" + " [-c clockrate]" + " [-f]" + " [-g gainMode]" + " [-h]" + " [-l]" + " [-m dabMode]" + " [-r samplingRate]" + "\n", progName); + fprintf(out, "Where:\n"); + fprintf(out, "input: ETI input filename (default: stdin).\n"); + fprintf(out, "output: COFDM output filename (default: stdout).\n"); + fprintf(out, "-a: Apply amplitude gain.\n"); + fprintf(out, "-c: Set the DAC clock rate.\n"); + fprintf(out, "-f: (deprecated) Set fifo input.\n"); + fprintf(out, "-g: Set computation gain mode: " + "%u FIX, %u MAX, %u VAR\n", GAIN_FIX, GAIN_MAX, GAIN_VAR); + fprintf(out, "-h: Print this help.\n"); + fprintf(out, "-l: Loop file when reach end of file.\n"); + fprintf(out, "-m: Set DAB mode: (0: auto, 1-4: force).\n"); + fprintf(out, "-r: Set output sampling rate (default: 2048000).\n"); +} + + +void printVersion(FILE *out = stderr) +{ + fprintf(out, "Welcome to %s %s, compiled at %s, %s\n\n", + PACKAGE, VERSION, __DATE__, __TIME__); + fprintf(out, "CRC-DABMOD is copyright (C) Her Majesty the Queen in Right of Canada,\n" + " 2009, 2010, 2011, 2012 Communications Research Centre (CRC).\n" + "\n" + " This program is available free of charge and is licensed to you on a\n" + " non-exclusive basis; you may not redistribute it.\n" + "\n" + " This program is provided \"AS IS\" in the hope that it will be useful, but\n" + " WITHOUT ANY WARRANTY with respect to its accurancy or usefulness; witout\n" + " even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR\n" + " PURPOSE and NONINFRINGEMENT.\n" + "\n" + " In no event shall CRC be LIABLE for any LOSS, DAMAGE or COST that may be\n" + " incurred in connection with the use of this software.\n" + "\n" + "CRC-DABMOD makes use of the following open source packages:\n" + " Kiss FFT v1.2.9 (Revised BSD) - http://kissfft.sourceforge.net/\n" + ); + +} + + +int main(int argc, char* argv[]) +{ + int ret = 0; + bool loop = false; + char* inputName; + char* outputName; + FILE* inputFile = NULL; + uint32_t sync = 0; + uint32_t nbFrames = 0; + uint32_t frame = 0; + uint16_t frameSize = 0; + size_t outputRate = 2048000; + size_t clockRate = 0; + unsigned dabMode = 0; + float amplitude = 1.0f; + GainMode gainMode = GAIN_VAR; + Buffer data; + + Flowgraph* flowgraph = NULL; + DabModulator* modulator = NULL; + InputMemory* input = NULL; + OutputFile* output = NULL; + + signal(SIGINT, signalHandler); + + while (true) { + int c = getopt(argc, argv, "a:c:fg:hlm:r:V"); + if (c == -1) { + break; + } + switch (c) { + case 'a': + amplitude = strtof(optarg, NULL); + break; + case 'c': + clockRate = strtol(optarg, NULL, 0); + break; + case 'f': + fprintf(stderr, "Option -f deprecated!\n"); + break; + case 'g': + gainMode = (GainMode)strtol(optarg, NULL, 0); + break; + case 'l': + loop = true; + break; + case 'm': + dabMode = strtol(optarg, NULL, 0); + break; + case 'r': + outputRate = strtol(optarg, NULL, 0); + break; + case 'V': + printVersion(); + goto END_MAIN; + break; + case '?': + case 'h': + printUsage(argv[0]); + goto END_MAIN; + break; + default: + fprintf(stderr, "Option '%c' not coded yet!\n", c); + ret = -1; + goto END_MAIN; + } + } + // Setting ETI input filename + if (optind < argc) { + inputName = argv[optind++]; + } else { + inputName = (char*)"/dev/stdin"; + } + // Setting COFDM output filename + if (optind < argc) { + outputName = argv[optind++]; + } else { + outputName = (char*)"/dev/stdout"; + } + // Checking unused arguments + if (optind != argc) { + fprintf(stderr, "Invalid arguments:"); + while (optind != argc) { + fprintf(stderr, " %s", argv[optind++]); + } + fprintf(stderr, "\n"); + printUsage(argv[0]); + ret = -1; + goto END_MAIN; + } + + // Print settings + fprintf(stderr, "Input\n"); + fprintf(stderr, " Name: %s\n", inputName); + fprintf(stderr, "Output\n"); + fprintf(stderr, " Name: %s\n", outputName); + fprintf(stderr, " Sampling rate: "); + if (outputRate > 1000) { + if (outputRate > 1000000) { + fprintf(stderr, "%.3g mHz\n", outputRate / 1000000.0f); + } else { + fprintf(stderr, "%.3g kHz\n", outputRate / 1000.0f); + } + } else { + fprintf(stderr, "%zu Hz\n", outputRate); + } + + // Opening ETI input file + inputFile = fopen(inputName, "r"); + if (inputFile == NULL) { + fprintf(stderr, "Unable to open input file!\n"); + perror(inputName); + ret = -1; + goto END_MAIN; + } + // Opening COFDM output file + if (outputName != NULL) { + output = new OutputFile(outputName); + } + + flowgraph = new Flowgraph(); + data.setLength(6144); + input = new InputMemory(&data); + modulator = new DabModulator(outputRate, clockRate, dabMode, gainMode, amplitude); + flowgraph->connect(input, modulator); + flowgraph->connect(modulator, output); + + try { + while (running) { + enum EtiStreamType { + ETI_STREAM_TYPE_NONE = 0, + ETI_STREAM_TYPE_RAW, + ETI_STREAM_TYPE_STREAMED, + ETI_STREAM_TYPE_FRAMED, + }; + EtiStreamType streamType = ETI_STREAM_TYPE_NONE; + + struct stat inputFileStat; + fstat(fileno(inputFile), &inputFileStat); + size_t inputFileLength = inputFileStat.st_size; + + if (fread(&sync, sizeof(sync), 1, inputFile) != 1) { + fprintf(stderr, "Unable to read sync in input file!\n"); + perror(inputName); + ret = -1; + goto END_MAIN; + } + if ((sync == 0x49c5f8ff) || (sync == 0xb63a07ff)) { + streamType = ETI_STREAM_TYPE_RAW; + if (inputFileLength > 0) { + nbFrames = inputFileLength / 6144; + } else { + nbFrames = (uint32_t)-1; + } + if (fseek(inputFile, -sizeof(sync), SEEK_CUR) != 0) { + if (fread(data.getData(), 6144 - sizeof(sync), 1, inputFile) + != 1) { + fprintf(stderr, "Unable to seek in input file!\n"); + ret = -1; + goto END_MAIN; + } + } + goto START; + } + + nbFrames = sync; + if (fread(&frameSize, sizeof(frameSize), 1, inputFile) != 1) { + fprintf(stderr, "Unable to read frame size in input file!\n"); + perror(inputName); + ret = -1; + goto END_MAIN; + } + sync >>= 16; + sync &= 0xffff; + sync |= ((uint32_t)frameSize) << 16; + + if ((sync == 0x49c5f8ff) || (sync == 0xb63a07ff)) { + streamType = ETI_STREAM_TYPE_STREAMED; + frameSize = nbFrames & 0xffff; + if (inputFileLength > 0) { + nbFrames = inputFileLength / (frameSize + 2); + } else { + nbFrames = (uint32_t)-1; + } + if (fseek(inputFile, -6, SEEK_CUR) != 0) { + if (fread(data.getData(), frameSize - 4, 1, inputFile) + != 1) { + fprintf(stderr, "Unable to seek in input file!\n"); + ret = -1; + goto END_MAIN; + } + } + goto START; + } + + if (fread(&sync, sizeof(sync), 1, inputFile) != 1) { + fprintf(stderr, "Unable to read nb frame in input file!\n"); + perror(inputName); + ret = -1; + goto END_MAIN; + } + if ((sync == 0x49c5f8ff) || (sync == 0xb63a07ff)) { + streamType = ETI_STREAM_TYPE_FRAMED; + if (fseek(inputFile, -6, SEEK_CUR) != 0) { + if (fread(data.getData(), frameSize - 4, 1, inputFile) + != 1) { + fprintf(stderr, "Unable to seek in input file!\n"); + ret = -1; + goto END_MAIN; + } + } + goto START; + } + + for (size_t i = 10; i < 6144 + 10; ++i) { + sync >>= 8; + sync &= 0xffffff; + if (fread((uint8_t*)&sync + 3, 1, 1, inputFile) != 1) { + fprintf(stderr, "Unable to read in input file!\n"); + ret = 1; + goto END_MAIN; + } + if ((sync == 0x49c5f8ff) || (sync == 0xb63a07ff)) { + streamType = ETI_STREAM_TYPE_RAW; + if (inputFileLength > 0) { + nbFrames = (inputFileLength - i) / 6144; + } else { + nbFrames = (uint32_t)-1; + } + if (fseek(inputFile, -sizeof(sync), SEEK_CUR) != 0) { + if (fread(data.getData(), 6144 - sizeof(sync), 1, inputFile) + != 1) { + fprintf(stderr, "Unable to seek in input file!\n"); + ret = -1; + goto END_MAIN; + } + } + goto START; + } + } + + fprintf(stderr, "Bad input file format!\n"); + ret = -1; + goto END_MAIN; + +START: + fprintf(stderr, "Input file format: "); + switch (streamType) { + case ETI_STREAM_TYPE_RAW: + fprintf(stderr, "raw"); + break; + case ETI_STREAM_TYPE_STREAMED: + fprintf(stderr, "streamed"); + break; + case ETI_STREAM_TYPE_FRAMED: + fprintf(stderr, "framed"); + break; + default: + fprintf(stderr, "unknown\n"); + ret = -1; + goto END_MAIN; + } + fprintf(stderr, "\n"); + fprintf(stderr, "Input file length: %zu\n", inputFileLength); + fprintf(stderr, "Input file nb frames: %u\n", nbFrames); + + for (frame = 0; frame < nbFrames; ++frame) { + if (!running) { + break; + } + + PDEBUG("*****************************************\n"); + PDEBUG("* Reading frame %u\n", frame); + PDEBUG("*****************************************\n"); + if (streamType == ETI_STREAM_TYPE_RAW) { + frameSize = 6144; + } else { + if (fread(&frameSize, sizeof(frameSize), 1, inputFile) + != 1) { + PDEBUG("End of file!\n"); + goto END_MAIN; + } + } + PDEBUG("Frame size: %i\n", frameSize); + + if (fread(data.getData(), frameSize, 1, inputFile) != 1) { + fprintf(stderr, + "Unable to read %i data bytes in input file!\n", + frameSize); + perror(inputName); + ret = -1; + goto END_MAIN; + } + memset(&((uint8_t*)data.getData())[frameSize], 0x55, 6144 - frameSize); + + //////////////////////////////////////////////////////////////// + // Proccessing data + //////////////////////////////////////////////////////////////// + flowgraph->run(); + } + fprintf(stderr, "End of file reached.\n"); + if (!loop) { + running = false; + } else { + fprintf(stderr, "Rewinding file.\n"); + rewind(inputFile); + } + } + } catch (std::exception& e) { + fprintf(stderr, "EXCEPTION: %s\n", e.what()); + ret = -1; + goto END_MAIN; + } + +END_MAIN: + //////////////////////////////////////////////////////////////////////// + // Cleaning things + //////////////////////////////////////////////////////////////////////// + fprintf(stderr, "\n\n"); + fprintf(stderr, "%u DAB frames encoded\n", frame); + fprintf(stderr, "%f seconds encoded\n", (float)frame * 0.024f); + + fprintf(stderr, "\nCleaning flowgraph...\n"); + delete flowgraph; + + // Cif + fprintf(stderr, "\nCleaning buffers...\n"); + + fprintf(stderr, "\nClosing input file...\n"); + if (inputFile != NULL) { + fclose(inputFile); + } + + return ret; +} diff --git a/src/DabModulator.cpp b/src/DabModulator.cpp new file mode 100644 index 0000000..6396a4d --- /dev/null +++ b/src/DabModulator.cpp @@ -0,0 +1,328 @@ +/* + Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 + 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 "DabModulator.h" +#include "PcDebug.h" + +#include "FrameMultiplexer.h" +#include "PrbsGenerator.h" +#include "BlockPartitioner.h" +#include "QpskSymbolMapper.h" +#include "FrequencyInterleaver.h" +#include "PhaseReference.h" +#include "DifferentialModulator.h" +#include "NullSymbol.h" +#include "SignalMultiplexer.h" +#include "CicEqualizer.h" +#include "OfdmGenerator.h" +#include "GainControl.h" +#include "GuardIntervalInserter.h" +#include "Resampler.h" +#include "ConvEncoder.h" +#include "PuncturingEncoder.h" +#include "TimeInterleaver.h" + + +DabModulator::DabModulator(unsigned outputRate, unsigned clockRate, + unsigned dabMode, GainMode gainMode, float factor) : + ModCodec(ModFormat(1), ModFormat(0)), + myOutputRate(outputRate), + myClockRate(clockRate), + myDabMode(dabMode), + myGainMode(gainMode), + myFactor(factor), + myFlowgraph(NULL) +{ + PDEBUG("DabModulator::DabModulator(%u, %u, %u, %u) @ %p\n", + outputRate, clockRate, dabMode, gainMode, this); + + if (myDabMode == 0) { + setMode(2); + } else { + setMode(myDabMode); + } +} + + +DabModulator::~DabModulator() +{ + PDEBUG("DabModulator::~DabModulator() @ %p\n", this); + + delete myFlowgraph; +} + + +void DabModulator::setMode(unsigned mode) +{ + switch (mode) { + case 1: + myNbSymbols = 76; + myNbCarriers = 1536; + mySpacing = 2048; + myNullSize = 2656; + mySymSize = 2552; + myFicSizeOut = 288; + break; + case 2: + myNbSymbols = 76; + myNbCarriers = 384; + mySpacing = 512; + myNullSize = 664; + mySymSize = 638; + myFicSizeOut = 288; + break; + case 3: + myNbSymbols = 153; + myNbCarriers = 192; + mySpacing = 256; + myNullSize = 345; + mySymSize = 319; + myFicSizeOut = 384; + break; + case 4: + myNbSymbols = 76; + myNbCarriers = 768; + mySpacing = 1024; + myNullSize = 1328; + mySymSize = 1276; + myFicSizeOut = 288; + break; + default: + throw std::runtime_error("DabModulator::setMode invalid mode size"); + } + + myOutputFormat.size((size_t)((myNullSize + (myNbSymbols * mySymSize)) + * sizeof(complexf) / 2048000.0 * myOutputRate)); +} + + +int DabModulator::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("DabModulator::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + myEtiReader.process(dataIn); + if (myFlowgraph == NULL) { + unsigned mode = myEtiReader.getMode(); + if (myDabMode != 0) { + mode = myDabMode; + } else if (mode == 0) { + mode = 4; + } + setMode(mode); + + myFlowgraph = new Flowgraph(); + //////////////////////////////////////////////////////////////// + // CIF data initialisation + //////////////////////////////////////////////////////////////// + FrameMultiplexer* cifMux = NULL; + PrbsGenerator* cifPrbs = NULL; + BlockPartitioner* cifPart = NULL; + QpskSymbolMapper* cifMap = NULL; + FrequencyInterleaver* cifFreq = NULL; + PhaseReference* cifRef = NULL; + DifferentialModulator* cifDiff = NULL; + NullSymbol* cifNull = NULL; + SignalMultiplexer* cifSig = NULL; + CicEqualizer* cifCicEq = NULL; + OfdmGenerator* cifOfdm = NULL; + GainControl* cifGain = NULL; + GuardIntervalInserter* cifGuard = NULL; + Resampler* cifRes = NULL; + + cifPrbs = new PrbsGenerator(864 * 8, 0x110); + cifMux = new FrameMultiplexer(myFicSizeOut + 864 * 8, + &myEtiReader.getSubchannels()); + cifPart = new BlockPartitioner(mode, myEtiReader.getFct()); + cifMap = new QpskSymbolMapper(myNbCarriers); + cifRef = new PhaseReference(mode); + cifFreq = new FrequencyInterleaver(mode); + cifDiff = new DifferentialModulator(myNbCarriers); + cifNull = new NullSymbol(myNbCarriers); + cifSig = new SignalMultiplexer( + (1 + myNbSymbols) * myNbCarriers * sizeof(complexf)); + + if (myClockRate) { + cifCicEq = new CicEqualizer(myNbCarriers, + (float)mySpacing * (float)myOutputRate / 2048000.0f, + myClockRate / myOutputRate); + } + + cifOfdm = new OfdmGenerator((1 + myNbSymbols), myNbCarriers, mySpacing); + cifGain = new GainControl(mySpacing, myGainMode, myFactor); + cifGuard = new GuardIntervalInserter(myNbSymbols, mySpacing, + myNullSize, mySymSize); + myOutput = new OutputMemory(); + + if (myOutputRate != 2048000) { + cifRes = new Resampler(2048000, myOutputRate, mySpacing); + } else { + fprintf(stderr, "No resampler\n"); + } + + myFlowgraph->connect(cifPrbs, cifMux); + + //////////////////////////////////////////////////////////////// + // Processing FIC + //////////////////////////////////////////////////////////////// + FicSource* fic = myEtiReader.getFic(); + PrbsGenerator* ficPrbs = NULL; + ConvEncoder* ficConv = NULL; + PuncturingEncoder* ficPunc = NULL; + //////////////////////////////////////////////////////////////// + // Data initialisation + //////////////////////////////////////////////////////////////// + myFicSizeIn = fic->getFramesize(); + + //////////////////////////////////////////////////////////////// + // Modules configuration + //////////////////////////////////////////////////////////////// + + // Configuring FIC channel + + PDEBUG("FIC:\n"); + PDEBUG(" Framesize: %zu\n", fic->getFramesize()); + + // Configuring prbs generator + ficPrbs = new PrbsGenerator(myFicSizeIn, 0x110); + + // Configuring convolutionnal encoder + ficConv = new ConvEncoder(myFicSizeIn); + + // Configuring puncturing encoder + ficPunc = new PuncturingEncoder(); + std::vector<PuncturingRule*> rules = fic->get_rules(); + std::vector<PuncturingRule*>::const_iterator rule; + for (rule = rules.begin(); rule != rules.end(); ++rule) { + PDEBUG(" Adding rule:\n"); + PDEBUG(" Length: %zu\n", (*rule)->length()); + PDEBUG(" Pattern: 0x%x\n", (*rule)->pattern()); + ficPunc->append_rule(*(*rule)); + } + PDEBUG(" Adding tail\n"); + ficPunc->append_tail_rule(PuncturingRule(3, 0xcccccc)); + + myFlowgraph->connect(fic, ficPrbs); + myFlowgraph->connect(ficPrbs, ficConv); + myFlowgraph->connect(ficConv, ficPunc); + myFlowgraph->connect(ficPunc, cifPart); + + //////////////////////////////////////////////////////////////// + // Configuring subchannels + //////////////////////////////////////////////////////////////// + std::vector<SubchannelSource*> subchannels = + myEtiReader.getSubchannels(); + std::vector<SubchannelSource*>::const_iterator subchannel; + for (subchannel = subchannels.begin(); + subchannel != subchannels.end(); + ++subchannel) { + PrbsGenerator* subchPrbs = NULL; + ConvEncoder* subchConv = NULL; + PuncturingEncoder* subchPunc = NULL; + TimeInterleaver* subchInterleaver = NULL; + + //////////////////////////////////////////////////////////// + // Data initialisation + //////////////////////////////////////////////////////////// + size_t subchSizeIn = (*subchannel)->framesize(); + size_t subchSizeOut = (*subchannel)->framesizeCu() * 8; + + //////////////////////////////////////////////////////////// + // Modules configuration + //////////////////////////////////////////////////////////// + + // Configuring subchannel + PDEBUG("Subchannel:\n"); + PDEBUG(" Start address: %zu\n", + (*subchannel)->startAddress()); + PDEBUG(" Framesize: %zu\n", + (*subchannel)->framesize()); + PDEBUG(" Bitrate: %zu\n", (*subchannel)->bitrate()); + PDEBUG(" Framesize CU: %zu\n", + (*subchannel)->framesizeCu()); + PDEBUG(" Protection: %zu\n", + (*subchannel)->protection()); + PDEBUG(" Form: %zu\n", + (*subchannel)->protectionForm()); + PDEBUG(" Level: %zu\n", + (*subchannel)->protectionLevel()); + PDEBUG(" Option: %zu\n", + (*subchannel)->protectionOption()); + + // Configuring prbs genrerator + subchPrbs = new PrbsGenerator(subchSizeIn, 0x110); + + // Configuring convolutionnal encoder + subchConv = new ConvEncoder(subchSizeIn); + + // Configuring puncturing encoder + subchPunc = new PuncturingEncoder(); + std::vector<PuncturingRule*> rules = (*subchannel)->get_rules(); + std::vector<PuncturingRule*>::const_iterator rule; + for (rule = rules.begin(); rule != rules.end(); ++rule) { + PDEBUG(" Adding rule:\n"); + PDEBUG(" Length: %zu\n", (*rule)->length()); + PDEBUG(" Pattern: 0x%x\n", (*rule)->pattern()); + subchPunc->append_rule(*(*rule)); + } + PDEBUG(" Adding tail\n"); + subchPunc->append_tail_rule(PuncturingRule(3, 0xcccccc)); + + // Configuring time interleaver + subchInterleaver = new TimeInterleaver(subchSizeOut); + + myFlowgraph->connect(*subchannel, subchPrbs); + myFlowgraph->connect(subchPrbs, subchConv); + myFlowgraph->connect(subchConv, subchPunc); + myFlowgraph->connect(subchPunc, subchInterleaver); + myFlowgraph->connect(subchInterleaver, cifMux); + } + + myFlowgraph->connect(cifMux, cifPart); + myFlowgraph->connect(cifPart, cifMap); + myFlowgraph->connect(cifMap, cifFreq); + myFlowgraph->connect(cifRef, cifDiff); + myFlowgraph->connect(cifFreq, cifDiff); + myFlowgraph->connect(cifNull, cifSig); + myFlowgraph->connect(cifDiff, cifSig); + if (myClockRate) { + myFlowgraph->connect(cifSig, cifCicEq); + myFlowgraph->connect(cifCicEq, cifOfdm); + } else { + myFlowgraph->connect(cifSig, cifOfdm); + } + myFlowgraph->connect(cifOfdm, cifGain); + myFlowgraph->connect(cifGain, cifGuard); + if (cifRes != NULL) { + myFlowgraph->connect(cifGuard, cifRes); + myFlowgraph->connect(cifRes, myOutput); + } else { + myFlowgraph->connect(cifGuard, myOutput); + } + } + + //////////////////////////////////////////////////////////////////// + // Proccessing data + //////////////////////////////////////////////////////////////////// + myOutput->setOutput(dataOut); + return myFlowgraph->run(); +} diff --git a/src/DabModulator.h b/src/DabModulator.h new file mode 100644 index 0000000..9112960 --- /dev/null +++ b/src/DabModulator.h @@ -0,0 +1,72 @@ +/* + Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 + 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/>. + */ + +#ifndef DAB_MODULATOR_H +#define DAB_MODULATOR_H + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <sys/types.h> + +#include "ModCodec.h" +#include "EtiReader.h" +#include "Flowgraph.h" +#include "GainControl.h" +#include "OutputMemory.h" + + +class DabModulator : public ModCodec +{ +public: + DabModulator(unsigned outputRate = 2048000, unsigned clockRate = 0, + unsigned dabMode = 0, GainMode gainMode = GAIN_VAR, float factor = 1.0); + DabModulator(const DabModulator& copy); + virtual ~DabModulator(); + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "DabModulator"; } + +protected: + void setMode(unsigned mode); + + unsigned myOutputRate; + unsigned myClockRate; + unsigned myDabMode; + GainMode myGainMode; + float myFactor; + EtiReader myEtiReader; + Flowgraph* myFlowgraph; + OutputMemory* myOutput; + + size_t myNbSymbols; + size_t myNbCarriers; + size_t mySpacing; + size_t myNullSize; + size_t mySymSize; + size_t myFicSizeOut; + size_t myFicSizeIn; +}; + + +#endif // DAB_MODULATOR_H diff --git a/src/DifferentialModulator.cpp b/src/DifferentialModulator.cpp new file mode 100644 index 0000000..51c8bca --- /dev/null +++ b/src/DifferentialModulator.cpp @@ -0,0 +1,100 @@ +/* + 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 "DifferentialModulator.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> +#include <complex> +#include <string.h> + +typedef std::complex<float> complexf; + + +DifferentialModulator::DifferentialModulator(size_t carriers) : + ModMux(ModFormat(carriers * sizeof(complexf)), ModFormat(carriers * sizeof(complexf))), + d_carriers(carriers) +{ + PDEBUG("DifferentialModulator::DifferentialModulator(%zu)\n", carriers); + +} + + +DifferentialModulator::~DifferentialModulator() +{ + PDEBUG("DifferentialModulator::~DifferentialModulator()\n"); + +} + + +// dataIn[0] -> phase reference +// dataIn[1] -> data symbols +int DifferentialModulator::process(std::vector<Buffer*> dataIn, Buffer* dataOut) +{ +#ifdef DEBUG + fprintf(stderr, "DifferentialModulator::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 + + if (dataIn.size() != 2) { + throw std::runtime_error( + "DifferentialModulator::process nb of input streams not 2!"); + } + + size_t phaseSize = dataIn[0]->getLength() / sizeof(complexf); + size_t dataSize = dataIn[1]->getLength() / sizeof(complexf); + dataOut->setLength((phaseSize + dataSize) * sizeof(complexf)); + + const complexf* phase = reinterpret_cast<const complexf*>(dataIn[0]->getData()); + const complexf* in = reinterpret_cast<const complexf*>(dataIn[1]->getData()); + complexf* out = reinterpret_cast<complexf*>(dataOut->getData()); + + if (phaseSize != d_carriers) { + throw std::runtime_error( + "DifferentialModulator::process input phase size not valid!"); + } + if (dataSize % d_carriers != 0) { + throw std::runtime_error( + "DifferentialModulator::process input data size not valid!"); + } + + memcpy(dataOut->getData(), phase, phaseSize * sizeof(complexf)); + for (size_t i = 0; i < dataSize; i += d_carriers) { + for (size_t j = 0; j < d_carriers; j += 4) { + out[d_carriers + j] = out[j] * in[j]; + out[d_carriers + j + 1] = out[j + 1] * in[j + 1]; + out[d_carriers + j + 2] = out[j + 2] * in[j + 2]; + out[d_carriers + j + 3] = out[j + 3] * in[j + 3]; + } + in += d_carriers; + out += d_carriers; + } + + return dataOut->getLength(); +} diff --git a/src/DifferentialModulator.h b/src/DifferentialModulator.h new file mode 100644 index 0000000..f2a31c4 --- /dev/null +++ b/src/DifferentialModulator.h @@ -0,0 +1,52 @@ +/* + 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/>. + */ + +#ifndef _DIFFERENTIAL_MODULATOR_H +#define _DIFFERENTIAL_MODULATOR_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModMux.h" + +#include <sys/types.h> + + +class DifferentialModulator : public ModMux +{ +public: + DifferentialModulator(size_t carriers); + virtual ~DifferentialModulator(); + DifferentialModulator(const DifferentialModulator&); + DifferentialModulator& operator=(const DifferentialModulator&); + + + int process(std::vector<Buffer*> dataIn, Buffer* dataOut); + const char* name() { return "DifferentialModulator"; } + +protected: + size_t d_carriers; +}; + + +#endif //_DIFFERENTIAL_MODULATOR_H diff --git a/src/Eti.cpp b/src/Eti.cpp new file mode 100644 index 0000000..26215fc --- /dev/null +++ b/src/Eti.cpp @@ -0,0 +1,70 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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/>. + */ + +#ifdef _WIN32 +# pragma warning ( disable : 4103 ) +# include "Eti.h" +# pragma warning ( default : 4103 ) +#else +# include "Eti.h" +#endif + + +//definitions des structures des champs du ETI(NI, G703) + + +unsigned short eti_FC::getFrameLength() +{ + return (unsigned short)((FL_high << 8) | FL_low); +} + + +void eti_FC::setFrameLength(uint16_t length) +{ + FL_high = (length >> 8) & 0x07; + FL_low = length & 0xff; +} + + +void eti_STC::setSTL(uint16_t length) +{ + STL_high = length >> 8; + STL_low = length & 0xff; +} + + +uint16_t eti_STC::getSTL() +{ + return (uint16_t)((STL_high << 8) + STL_low); +} + + +void eti_STC::setStartAddress(uint16_t address) +{ + startAddress_high = address >> 8; + startAddress_low = address & 0xff; +} + + +uint16_t eti_STC::getStartAddress() +{ + return (uint16_t)((startAddress_high << 8) + startAddress_low); +} diff --git a/src/Eti.h b/src/Eti.h new file mode 100644 index 0000000..fd5fc88 --- /dev/null +++ b/src/Eti.h @@ -0,0 +1,96 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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/>. + */ + +#ifndef ETI_H +#define ETI_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#ifdef _WIN32 +# include <winsock2.h> // For types... +typedef WORD uint16_t; +typedef DWORD32 uint32_t; + +# define PACKED +# pragma pack(push, 1) +#else +# include <stdint.h> + +# define PACKED __attribute__ ((packed)) +#endif + + +//definitions des structures des champs du ETI(NI, G703) + + +struct eti_SYNC { + uint32_t ERR:8; + uint32_t FSYNC:24; +} PACKED; + + +struct eti_FC { + uint32_t FCT:8; + uint32_t NST:7; + uint32_t FICF:1; + uint32_t FL_high:3; + uint32_t MID:2; + uint32_t FP:3; + uint32_t FL_low:8; + uint16_t getFrameLength(); + void setFrameLength(uint16_t length); +} PACKED; + + +struct eti_STC { + uint32_t startAddress_high:2; + uint32_t SCID:6; + uint32_t startAddress_low:8; + uint32_t STL_high:2; + uint32_t TPL:6; + uint32_t STL_low:8; + void setSTL(uint16_t length); + uint16_t getSTL(); + void setStartAddress(uint16_t address); + uint16_t getStartAddress(); +} PACKED; + + +struct eti_EOH { + uint16_t MNSC; + uint16_t CRC; +} PACKED; + + +struct eti_EOF { + uint16_t CRC; + uint16_t RFU; +} PACKED; + + +struct eti_TIST { + uint32_t TIST; +} PACKED; + + +#endif // ETI_H diff --git a/src/EtiReader.cpp b/src/EtiReader.cpp new file mode 100644 index 0000000..d65dbe0 --- /dev/null +++ b/src/EtiReader.cpp @@ -0,0 +1,270 @@ +/* + 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 "EtiReader.h" +#include "PcDebug.h" + +#include <stdexcept> +#include <sys/types.h> +#include <string.h> + + +enum ETI_READER_STATE { + EtiReaderStateNbFrame, + EtiReaderStateFrameSize, + EtiReaderStateSync, + EtiReaderStateFc, + EtiReaderStateNst, + EtiReaderStateEoh, + EtiReaderStateFic, + EtiReaderStateSubch, + EtiReaderStateEof, + EtiReaderStateTist, + EtiReaderStatePad +}; + + +EtiReader::EtiReader() : state(EtiReaderStateSync), + myFicSource(NULL) +{ + PDEBUG("EtiReader::EtiReader()\n"); + + myCurrentFrame = 0; +} + + +EtiReader::~EtiReader() +{ + PDEBUG("EtiReader::~EtiReader()\n"); + +// if (myFicSource != NULL) { +// delete myFicSource; +// } +// for (unsigned i = 0; i < mySources.size(); ++i) { +// delete mySources[i]; +// } +} + + +FicSource* EtiReader::getFic() +{ + return myFicSource; +} + + +unsigned EtiReader::getMode() +{ + return eti_fc.MID; +} + + +unsigned EtiReader::getFct() +{ + return eti_fc.FCT; +} + + +const std::vector<SubchannelSource*>& EtiReader::getSubchannels() +{ + return mySources; +} + + +int EtiReader::process(Buffer* dataIn) +{ + PDEBUG("EtiReader::process(dataIn: %p)\n", dataIn); + PDEBUG(" state: %u\n", state); + const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); + size_t input_size = dataIn->getLength(); + + while (input_size > 0) { + switch (state) { + case EtiReaderStateNbFrame: + if (input_size < 4) { + return dataIn->getLength() - input_size; + } + nb_frames = *(uint32_t*)in; + input_size -= 4; + in += 4; + state = EtiReaderStateFrameSize; + PDEBUG("Nb frames: %i\n", nb_frames); + break; + case EtiReaderStateFrameSize: + if (input_size < 2) { + return dataIn->getLength() - input_size; + } + framesize = *(uint16_t*)in; + input_size -= 2; + in += 2; + state = EtiReaderStateSync; + PDEBUG("Framesize: %i\n", framesize); + break; + case EtiReaderStateSync: + if (input_size < 4) { + return dataIn->getLength() - input_size; + } + framesize = 6144; + memcpy(&eti_sync, in, 4); + input_size -= 4; + framesize -= 4; + in += 4; + state = EtiReaderStateFc; + PDEBUG("Sync.err: 0x%.2x\n", eti_sync.ERR); + PDEBUG("Sync.fsync: 0x%.6x\n", eti_sync.FSYNC); + break; + case EtiReaderStateFc: + if (input_size < 4) { + return dataIn->getLength() - input_size; + } + memcpy(&eti_fc, in, 4); + input_size -= 4; + framesize -= 4; + in += 4; + state = EtiReaderStateNst; + PDEBUG("Fc.fct: 0x%.2x\n", eti_fc.FCT); + PDEBUG("Fc.ficf: %u\n", eti_fc.FICF); + PDEBUG("Fc.nst: %u\n", eti_fc.NST); + PDEBUG("Fc.fp: 0x%x\n", eti_fc.FP); + PDEBUG("Fc.mid: %u\n", eti_fc.MID); + PDEBUG("Fc.fl: %u\n", eti_fc.getFrameLength()); + if (!eti_fc.FICF) { + throw std::runtime_error("FIC must be present to modulate!"); + } + if (myFicSource == NULL) { + myFicSource = new FicSource(eti_fc); + } + break; + case EtiReaderStateNst: + if (input_size < 4 * (size_t)eti_fc.NST) { + return dataIn->getLength() - input_size; + } + if ((eti_stc.size() != eti_fc.NST) || + (memcmp(&eti_stc[0], in, 4 * eti_fc.NST))) { + PDEBUG("New stc!\n"); + eti_stc.resize(eti_fc.NST); + for (unsigned i = 0; i < mySources.size(); ++i) { + delete mySources[i]; + } + mySources.resize(eti_fc.NST); + memcpy(&eti_stc[0], in, 4 * eti_fc.NST); + for (unsigned i = 0; i < eti_fc.NST; ++i) { + mySources[i] = new SubchannelSource(eti_stc[i]); + PDEBUG("Sstc %u:\n", i); + PDEBUG(" Stc%i.scid: %i\n", i, eti_stc[i].SCID); + PDEBUG(" Stc%i.sad: %u\n", i, eti_stc[i].getStartAddress()); + PDEBUG(" Stc%i.tpl: 0x%.2x\n", i, eti_stc[i].TPL); + PDEBUG(" Stc%i.stl: %u\n", i, eti_stc[i].getSTL()); + } + } + input_size -= 4 * eti_fc.NST; + framesize -= 4 * eti_fc.NST; + in += 4 * eti_fc.NST; + state = EtiReaderStateEoh; + break; + case EtiReaderStateEoh: + if (input_size < 4) { + return dataIn->getLength() - input_size; + } + memcpy(&eti_eoh, in, 4); + input_size -= 4; + framesize -= 4; + in += 4; + state = EtiReaderStateFic; + PDEBUG("Eoh.mnsc: 0x%.4x\n", eti_eoh.MNSC); + PDEBUG("Eoh.crc: 0x%.4x\n", eti_eoh.CRC); + break; + case EtiReaderStateFic: + if (eti_fc.MID == 3) { + if (input_size < 128) { + return dataIn->getLength() - input_size; + } + PDEBUG("Writting 128 bytes of FIC channel data\n"); + Buffer fic = Buffer(128, in); + myFicSource->process(&fic, NULL); + input_size -= 128; + framesize -= 128; + in += 128; + } else { + if (input_size < 96) { + return dataIn->getLength() - input_size; + } + PDEBUG("Writting 96 bytes of FIC channel data\n"); + Buffer fic = Buffer(96, in); + myFicSource->process(&fic, NULL); + input_size -= 96; + framesize -= 96; + in += 96; + } + state = EtiReaderStateSubch; + break; + case EtiReaderStateSubch: + for (size_t i = 0; i < eti_stc.size(); ++i) { + unsigned size = mySources[i]->framesize(); + PDEBUG("Writting %i bytes of subchannel data\n", size); + Buffer subch = Buffer(size, in); + mySources[i]->process(&subch, NULL); + input_size -= size; + framesize -= size; + in += size; + } + state = EtiReaderStateEof; + break; + case EtiReaderStateEof: + if (input_size < 4) { + return dataIn->getLength() - input_size; + } + memcpy(&eti_eof, in, 4); + input_size -= 4; + framesize -= 4; + in += 4; + state = EtiReaderStateTist; + PDEBUG("Eof.crc: %#.4x\n", eti_eof.CRC); + PDEBUG("Eof.rfu: %#.4x\n", eti_eof.RFU); + break; + case EtiReaderStateTist: + if (input_size < 4) { + return dataIn->getLength() - input_size; + } + memcpy(&eti_tist, in, 4); + input_size -= 4; + framesize -= 4; + in += 4; + state = EtiReaderStatePad; + PDEBUG("Tist: 0x%.6x\n", eti_tist.TIST); + break; + case EtiReaderStatePad: + if (framesize > 0) { + --input_size; + --framesize; + ++in; + } else { + state = EtiReaderStateSync; + } + break; + default: + // throw std::runtime_error("Invalid state!"); + PDEBUG("Invalid state (%i)!", state); + input_size = 0; + } + } + + return dataIn->getLength() - input_size; +} diff --git a/src/EtiReader.h b/src/EtiReader.h new file mode 100644 index 0000000..7e172db --- /dev/null +++ b/src/EtiReader.h @@ -0,0 +1,72 @@ +/* + 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/>. + */ + +#ifndef ETI_READER_H +#define ETI_READER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "Eti.h" +#include "FicSource.h" +#include "SubchannelSource.h" + +#include <vector> +#include <stdint.h> +#include <sys/types.h> + + +class EtiReader +{ +protected: + void sync(); + int state; + uint32_t nb_frames; + uint16_t framesize; + eti_SYNC eti_sync; + eti_FC eti_fc; + std::vector<eti_STC> eti_stc; + eti_EOH eti_eoh; + eti_EOF eti_eof; + eti_TIST eti_tist; + FicSource* myFicSource; + std::vector<SubchannelSource*> mySources; + +public: + EtiReader(); + virtual ~EtiReader(); + EtiReader(const EtiReader&); + EtiReader& operator=(const EtiReader&); + + FicSource* getFic(); + unsigned getMode(); + unsigned getFct(); + const std::vector<SubchannelSource*>& getSubchannels(); + int process(Buffer* dataIn); + +private: + size_t myCurrentFrame; +}; + + +#endif // ETI_READER_H diff --git a/src/FicSource.cpp b/src/FicSource.cpp new file mode 100644 index 0000000..d996796 --- /dev/null +++ b/src/FicSource.cpp @@ -0,0 +1,115 @@ +/* + 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 "FicSource.h" +#include "PcDebug.h" + +#include <stdexcept> +#include <sys/types.h> +#include <stdlib.h> +#include <string.h> + + +const std::vector<PuncturingRule*>& FicSource::get_rules() +{ + return d_puncturing_rules; +} + + +FicSource::FicSource(eti_FC &fc) : + ModInput(ModFormat(0), ModFormat(0)) +{ +// PDEBUG("FicSource::FicSource(...)\n"); +// PDEBUG(" Start address: %i\n", d_start_address); +// PDEBUG(" Framesize: %i\n", d_framesize); +// PDEBUG(" Protection: %i\n", d_protection); + + if (fc.FICF == 0) { + d_framesize = 0; + d_buffer.setLength(0); + return; + } + + if (fc.MID == 3) { + d_framesize = 32 * 4; + d_puncturing_rules.push_back(new PuncturingRule(29 * 16, 0xeeeeeeee)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, 0xeeeeeeec)); + } else { + d_framesize = 24 * 4; + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, 0xeeeeeeee)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, 0xeeeeeeec)); + } + d_buffer.setLength(d_framesize); + + myOutputFormat.size(d_framesize); +} + + +FicSource::~FicSource() +{ + PDEBUG("FicSource::~FicSource()\n"); + for (unsigned i = 0; i < d_puncturing_rules.size(); ++i) { +// PDEBUG(" Deleting rules @ %p\n", d_puncturing_rules[i]); + delete d_puncturing_rules[i]; + } +} + + +size_t FicSource::getFramesize() +{ + return d_framesize; +} + + +int FicSource::process(Buffer* inputData, Buffer* outputData) +{ + PDEBUG("FicSource::process" + "(inputData: %p, outputData: %p)\n", + inputData, outputData); + + if ((inputData != NULL) && inputData->getLength()) { + PDEBUG(" Input, storing data\n"); + if (inputData->getLength() != d_framesize) { + PDEBUG("ERROR: FicSource::process.inputSize != d_framesize\n"); + exit(-1); + } + d_buffer = *inputData; + return inputData->getLength(); + } + PDEBUG(" Output, retriving data\n"); + + return read(outputData); +} + + +int FicSource::read(Buffer* outputData) +{ + PDEBUG("FicSource::read(outputData: %p, outputSize: %zu)\n", + outputData, outputData->getLength()); + + if (d_buffer.getLength() != d_framesize) { + PDEBUG("ERROR: FicSource::read.outputSize != d_framesize\n"); + exit(-1); + } + *outputData = d_buffer; + + return outputData->getLength(); +} diff --git a/src/FicSource.h b/src/FicSource.h new file mode 100644 index 0000000..4528d49 --- /dev/null +++ b/src/FicSource.h @@ -0,0 +1,61 @@ +/* + 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/>. + */ + +#ifndef FIC_SOURCE_H +#define FIC_SOURCE_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "PuncturingRule.h" +#include "Eti.h" +#include "ModInput.h" + +#include <vector> +#include <sys/types.h> + + +class FicSource : public ModInput +{ +protected: + size_t d_framesize; + Buffer d_buffer; + std::vector<PuncturingRule*> d_puncturing_rules; + +public: + FicSource(eti_FC &fc); + FicSource(const FicSource&); + FicSource& operator=(const FicSource&); + virtual ~FicSource(); + + size_t getFramesize(); + const std::vector<PuncturingRule*>& get_rules(); + + int process(Buffer* inputData, Buffer* outputData); + const char* name() { return "FicSource"; } + + int read(Buffer* outputData); +}; + + +#endif // FIC_SOURCE_H diff --git a/src/Flowgraph.cpp b/src/Flowgraph.cpp new file mode 100644 index 0000000..2212485 --- /dev/null +++ b/src/Flowgraph.cpp @@ -0,0 +1,226 @@ +/* + 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 "Flowgraph.h" +#include "PcDebug.h" + + +#ifdef __ppc__ +# define memalign(a, b) malloc(b) +#else // !__ppc__ +# include <mm_malloc.h> +#endif +#include <sys/types.h> +#include <stdexcept> +#include <assert.h> +#if defined(_WIN32) and !defined(__MINGW32__) +//#include <sys/timeb.h> +//#include <sys/types.h> +#else +#include <sys/time.h> +#endif + + +typedef std::vector<Node*>::iterator NodeIterator; +typedef std::vector<Edge*>::iterator EdgeIterator; + + +Node::Node(ModPlugin* plugin) : + myPlugin(plugin), + myProcessTime(0) +{ + PDEBUG("Node::Node(plugin(%s): %p) @ %p\n", plugin->name(), plugin, this); + +} + + +Node::~Node() +{ + PDEBUG("Node::~Node() @ %p\n", this); + + if (myPlugin != NULL) { + delete myPlugin; + } + assert(myInputBuffers.size() == 0); + assert(myOutputBuffers.size() == 0); +} + + +Edge::Edge(Node* srcNode, Node* dstNode) : + mySrcNode(srcNode), + myDstNode(dstNode) +{ + PDEBUG("Edge::Edge(srcNode(%s): %p, dstNode(%s): %p) @ %p\n", + srcNode->plugin()->name(), srcNode, + dstNode->plugin()->name(), dstNode, + this); + + myBuffer = new Buffer(); + srcNode->myOutputBuffers.push_back(myBuffer); + dstNode->myInputBuffers.push_back(myBuffer); +} + + +Edge::~Edge() +{ + PDEBUG("Edge::~Edge() @ %p\n", this); + + std::vector<Buffer*>::iterator buffer; + if (myBuffer != NULL) { + for (buffer = mySrcNode->myOutputBuffers.begin(); + buffer != mySrcNode->myOutputBuffers.end(); + ++buffer) { + if (*buffer == myBuffer) { + mySrcNode->myOutputBuffers.erase(buffer); + break; + } + } + + for (buffer = myDstNode->myInputBuffers.begin(); + buffer != myDstNode->myInputBuffers.end(); + ++buffer) { + if (*buffer == myBuffer) { + myDstNode->myInputBuffers.erase(buffer); + break; + } + } + delete myBuffer; + } +} + + +int Node::process() +{ + PDEBUG("Edge::process()\n"); + PDEBUG(" Plugin name: %s (%p)\n", myPlugin->name(), myPlugin); + + return myPlugin->process(myInputBuffers, myOutputBuffers); +} + + +Flowgraph::Flowgraph() : + myProcessTime(0) +{ + PDEBUG("Flowgraph::Flowgraph() @ %p\n", this); + +} + + +Flowgraph::~Flowgraph() +{ + PDEBUG("Flowgraph::~Flowgraph() @ %p\n", this); + + std::vector<Edge*>::const_iterator edge; + for (edge = edges.begin(); edge != edges.end(); ++edge) { + delete *edge; + } + + if (myProcessTime) { + fprintf(stderr, "Process time:\n"); + } + std::vector<Node*>::const_iterator node; + for (node = nodes.begin(); node != nodes.end(); ++node) { + if (myProcessTime) { + fprintf(stderr, " %30s: %10u us (%2.2f %%)\n", + (*node)->plugin()->name(), + (unsigned)(*node)->processTime(), + (*node)->processTime() * 100.0 / myProcessTime); + } + delete *node; + } + if (myProcessTime) { + fprintf(stderr, " %30s: %10u us (100.00 %%)\n", "total", + (unsigned)myProcessTime); + } +} + + +void Flowgraph::connect(ModPlugin* input, ModPlugin* output) +{ + PDEBUG("Flowgraph::connect(input(%s): %p, output(%s): %p)\n", + input->name(), input, output->name(), output); + + NodeIterator inputNode; + NodeIterator outputNode; + + for (inputNode = nodes.begin(); inputNode != nodes.end(); ++inputNode) { + if ((*inputNode)->plugin() == input) { + break; + } + } + if (inputNode == nodes.end()) { + inputNode = nodes.insert(nodes.end(), new Node(input)); + } + + for (outputNode = nodes.begin(); outputNode != nodes.end(); ++outputNode) { + if ((*outputNode)->plugin() == output) { + break; + } + } + if (outputNode == nodes.end()) { + outputNode = nodes.insert(nodes.end(), new Node(output)); + for (inputNode = nodes.begin(); inputNode != nodes.end(); ++inputNode) { + if ((*inputNode)->plugin() == input) { + break; + } + } + } else if (inputNode > outputNode) { + Node* node = *outputNode; + nodes.erase(outputNode); + outputNode = nodes.insert(nodes.end(), node); + for (inputNode = nodes.begin(); inputNode != nodes.end(); ++inputNode) { + if ((*inputNode)->plugin() == input) { + break; + } + } + } + + assert((*inputNode)->plugin() == input); + assert((*outputNode)->plugin() == output); + + edges.push_back(new Edge(*inputNode, *outputNode)); +} + + +bool Flowgraph::run() +{ + PDEBUG("Flowgraph::run()\n"); + + std::vector<Node*>::const_iterator node; + timeval start, stop; + time_t diff; + + gettimeofday(&start, NULL); + for (node = nodes.begin(); node != nodes.end(); ++node) { + int ret = (*node)->process(); + PDEBUG(" ret: %i\n", ret); + gettimeofday(&stop, NULL); + diff = (stop.tv_sec - start.tv_sec) * 1000000 + + stop.tv_usec - start.tv_usec; + myProcessTime += diff; + (*node)->addProcessTime(diff); + start = stop; + if (!ret) { + return false; + } + } + return true; +} diff --git a/src/Flowgraph.h b/src/Flowgraph.h new file mode 100644 index 0000000..0a36f4e --- /dev/null +++ b/src/Flowgraph.h @@ -0,0 +1,95 @@ +/* + 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/>. + */ + +#ifndef FLOWGRAPH_H +#define FLOWGRAPH_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "porting.h" +#include "ModPlugin.h" + + +#include <sys/types.h> +#include <vector> + + +class Node +{ +public: + Node(ModPlugin* plugin); + ~Node(); + Node(const Node&); + Node& operator=(const Node&); + + ModPlugin* plugin() { return myPlugin; } + + std::vector<Buffer*> myInputBuffers; + std::vector<Buffer*> myOutputBuffers; + + int process(); + time_t processTime() { return myProcessTime; } + void addProcessTime(time_t processTime) { + myProcessTime += processTime; + } + +protected: + ModPlugin* myPlugin; + time_t myProcessTime; +}; + + +class Edge +{ +public: + Edge(Node* src, Node* dst); + ~Edge(); + Edge(const Edge&); + Edge& operator=(const Edge&); + +protected: + Node* mySrcNode; + Node* myDstNode; + Buffer* myBuffer; +}; + + +class Flowgraph +{ +public: + Flowgraph(); + virtual ~Flowgraph(); + Flowgraph(const Flowgraph&); + Flowgraph& operator=(const Flowgraph&); + + void connect(ModPlugin* input, ModPlugin* output); + bool run(); + +protected: + std::vector<Node*> nodes; + std::vector<Edge*> edges; + time_t myProcessTime; +}; + + +#endif // FLOWGRAPH_H 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(); +} diff --git a/src/FrameMultiplexer.h b/src/FrameMultiplexer.h new file mode 100644 index 0000000..911e807 --- /dev/null +++ b/src/FrameMultiplexer.h @@ -0,0 +1,55 @@ +/* + 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/>. + */ + +#ifndef FRAME_MULTIPLEXER_H +#define FRAME_MULTIPLEXER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModMux.h" +#include "SubchannelSource.h" + + +#include <sys/types.h> + + +class FrameMultiplexer : public ModMux +{ +public: + FrameMultiplexer(size_t frameSize, const std::vector<SubchannelSource*>* subchannels); + virtual ~FrameMultiplexer(); + FrameMultiplexer(const FrameMultiplexer&); + FrameMultiplexer& operator=(const FrameMultiplexer&); + + + int process(std::vector<Buffer*> dataIn, Buffer* dataOut); + const char* name() { return "FrameMultiplexer"; } + +protected: + size_t d_frameSize; + const std::vector<SubchannelSource*>* mySubchannels; +}; + + +#endif // FRAME_MULTIPLEXER_H diff --git a/src/FrequencyInterleaver.cpp b/src/FrequencyInterleaver.cpp new file mode 100644 index 0000000..7930682 --- /dev/null +++ b/src/FrequencyInterleaver.cpp @@ -0,0 +1,131 @@ +/* + 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 "FrequencyInterleaver.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> +#include <malloc.h> +#include <complex> + +typedef std::complex<float> complexf; + + +FrequencyInterleaver::FrequencyInterleaver(size_t mode) : + ModCodec(ModFormat(0), ModFormat(0)) +{ + PDEBUG("FrequencyInterleaver::FrequencyInterleaver(%zu) @ %p\n", + mode, this); + + size_t num; + size_t alpha = 13; + size_t beta; + switch (mode) { + case 1: + d_carriers = 1536; + num = 2048; + beta = 511; + break; + case 2: + d_carriers = 384; + num = 512; + beta = 127; + break; + case 3: + d_carriers = 192; + num = 256; + beta = 63; + break; + case 0: + case 4: + d_carriers = 768; + num = 1024; + beta = 255; + break; + default: + PDEBUG("Carriers: %zu\n", (d_carriers >> 1) << 1); + throw std::runtime_error("FrequencyInterleaver::FrequencyInterleaver " + "nb of carriers invalid!"); + break; + } + + d_indexes = (size_t*)memalign(16, d_carriers * sizeof(size_t)); + size_t* index = d_indexes; + size_t perm = 0; + PDEBUG("i: %4u, R: %4u\n", 0, 0); + for (size_t j = 1; j < num; ++j) { + perm = (alpha * perm + beta) & (num - 1); + if (perm >= ((num - d_carriers) / 2) + && perm <= (num - (num - d_carriers) / 2) + && perm != (num / 2)) { + PDEBUG("i: %4zu, R: %4zu, d: %4zu, n: %4zu, k: %5zi, index: %zu\n", + j, perm, perm, index - d_indexes, perm - num / 2, + perm > num / 2 + ? perm - (1 + (num / 2)) + : perm + (d_carriers - (num / 2))); + *(index++) = perm > num / 2 ? + perm - (1 + (num / 2)) : perm + (d_carriers - (num / 2)); + } else { + PDEBUG("i: %4zu, R: %4zu\n", j, perm); + } + } +} + + +FrequencyInterleaver::~FrequencyInterleaver() +{ + PDEBUG("FrequencyInterleaver::~FrequencyInterleaver() @ %p\n", this); + + free(d_indexes); +} + + +int FrequencyInterleaver::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("FrequencyInterleaver::process" + "(dataIn: %p, sizeIn: %zu, dataOut: %p, sizeOut: %zu)\n", + dataIn, dataIn->getLength(), dataOut, dataOut->getLength()); + + dataOut->setLength(dataIn->getLength()); + + const complexf* in = reinterpret_cast<const complexf*>(dataIn->getData()); + complexf* out = reinterpret_cast<complexf*>(dataOut->getData()); + size_t sizeIn = dataIn->getLength() / sizeof(complexf); + + if (sizeIn % d_carriers != 0) { + throw std::runtime_error( + "FrequencyInterleaver::process input size not valid!"); + } + + for (size_t i = 0; i < sizeIn;) { +// memset(out, 0, d_carriers * sizeof(complexf)); + for (size_t j = 0; j < d_carriers; i += 4, j += 4) { + out[d_indexes[j]] = in[i]; + out[d_indexes[j + 1]] = in[i + 1]; + out[d_indexes[j + 2]] = in[i + 2]; + out[d_indexes[j + 3]] = in[i + 3]; + } + out += d_carriers; + } + + return 1; +} diff --git a/src/FrequencyInterleaver.h b/src/FrequencyInterleaver.h new file mode 100644 index 0000000..9d4a8f8 --- /dev/null +++ b/src/FrequencyInterleaver.h @@ -0,0 +1,53 @@ +/* + 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/>. + */ + +#ifndef FREQUENCY_INTERLEAVER_H +#define FREQUENCY_INTERLEAVER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + +#include <sys/types.h> + + +class FrequencyInterleaver : public ModCodec +{ +public: + FrequencyInterleaver(size_t mode); + virtual ~FrequencyInterleaver(); + FrequencyInterleaver(const FrequencyInterleaver&); + FrequencyInterleaver& operator=(const FrequencyInterleaver&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "FrequencyInterleaver"; } + +protected: + size_t d_carriers; + size_t d_num; + size_t* d_indexes; +}; + +#endif // FREQUENCY_INTERLEAVER_H diff --git a/src/GainControl.cpp b/src/GainControl.cpp new file mode 100644 index 0000000..75d811d --- /dev/null +++ b/src/GainControl.cpp @@ -0,0 +1,369 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + 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 "GainControl.h" +#include "PcDebug.h" +#include "kiss_fftsimd.h" + +#include <stdio.h> +#include <stdexcept> + + +GainControl::GainControl(size_t framesize, GainMode mode, float factor) : + ModCodec(ModFormat(framesize * sizeof(complexf)), ModFormat(framesize * sizeof(complexf))), +#ifdef __SSE__ + d_frameSize(framesize * sizeof(complexf) / sizeof(__m128)), +#else // !__SSE__ + d_frameSize(framesize), +#endif + d_factor(factor) +{ + PDEBUG("GainControl::GainControl(%zu, %u) @ %p\n", framesize, mode, this); + + switch(mode) { + case GAIN_FIX: + PDEBUG("Gain mode: fix\n"); + computeGain = computeGainFix; + break; + case GAIN_MAX: + PDEBUG("Gain mode: max\n"); + computeGain = computeGainMax; + break; + case GAIN_VAR: + PDEBUG("Gain mode: var\n"); + computeGain = computeGainVar; + break; + default: + throw std::runtime_error( + "GainControl::GainControl invalid computation gain mode!"); + } +} + + +GainControl::~GainControl() +{ + PDEBUG("GainControl::~GainControl() @ %p\n", this); + +} + + +int GainControl::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("GainControl::process" + "(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + dataOut->setLength(dataIn->getLength()); + +#ifdef __SSE__ + const __m128* in = reinterpret_cast<const __m128*>(dataIn->getData()); + __m128* out = reinterpret_cast<__m128*>(dataOut->getData()); + size_t sizeIn = dataIn->getLength() / sizeof(__m128); + size_t sizeOut = dataOut->getLength() / sizeof(__m128); + __u128 gain128; + + if ((sizeIn % d_frameSize) != 0) { + PDEBUG("%zu != %zu\n", sizeIn, d_frameSize); + throw std::runtime_error( + "GainControl::process input size not valid!"); + } + + for (size_t i = 0; i < sizeIn; i += d_frameSize) { + gain128.m = computeGain(in, d_frameSize); + gain128.m = _mm_mul_ps(gain128.m, _mm_set1_ps(d_factor)); + + PDEBUG("********** Gain: %10f **********\n", gain128.f[0]); + + //////////////////////////////////////////////////////////////////////// + // Applying gain to output data + //////////////////////////////////////////////////////////////////////// + for (size_t sample = 0; sample < d_frameSize; ++sample) { + out[sample] = _mm_mul_ps(in[sample], gain128.m); + } + + in += d_frameSize; + out += d_frameSize; + } +#else // !__SSE__ + const complexf* in = reinterpret_cast<const complexf*>(dataIn->getData()); + complexf* out = reinterpret_cast<complexf*>(dataOut->getData()); + size_t sizeIn = dataIn->getLength() / sizeof(complexf); + size_t sizeOut = dataOut->getLength() / sizeof(complexf); + float gain; + + if ((sizeIn % d_frameSize) != 0) { + PDEBUG("%zu != %zu\n", sizeIn, d_frameSize); + throw std::runtime_error( + "GainControl::process input size not valid!"); + } + + for (size_t i = 0; i < sizeIn; i += d_frameSize) { + gain = myFactor * computeGain(in, d_frameSize); + + PDEBUG("********** Gain: %10f **********\n", gain); + + //////////////////////////////////////////////////////////////////////// + // Applying gain to output data + //////////////////////////////////////////////////////////////////////// + for (size_t sample = 0; sample < d_frameSize; ++sample) { + out[sample] = in[sample] * gain; + } + + in += d_frameSize; + out += d_frameSize; + } +#endif // __SSE__ + + return sizeOut; +} + + +#ifdef __SSE__ +__m128 GainControl::computeGainFix(const __m128* in, size_t sizeIn) +{ + return _mm_set1_ps(512.0f); +} +#else // !__SSE__ +float GainControl::computeGainFix(const complexf* in, size_t sizeIn) +{ + return 512.0f; +} +#endif // __SSE__ + + +#ifdef __SSE__ +__m128 GainControl::computeGainMax(const __m128* in, size_t sizeIn) +{ + __u128 gain128; + __u128 min128; + __u128 max128; + __u128 tmp128; + static const __m128 factor128 = _mm_set1_ps(0x7fff); + + //////////////////////////////////////////////////////////////////////// + // Computing max, min and average + //////////////////////////////////////////////////////////////////////// + min128.m = _mm_set1_ps(__FLT_MAX__); + max128.m = _mm_set1_ps(__FLT_MIN__); + + for (size_t sample = 0; sample < sizeIn; ++sample) { + min128.m = _mm_min_ps(in[sample], min128.m); + max128.m = _mm_max_ps(in[sample], max128.m); + } + + // Merging min + tmp128.m = _mm_shuffle_ps(min128.m, min128.m, _MM_SHUFFLE(0, 1, 2, 3)); + min128.m = _mm_min_ps(min128.m, tmp128.m); + tmp128.m = _mm_shuffle_ps(min128.m, min128.m, _MM_SHUFFLE(1, 0, 3, 2)); + min128.m = _mm_min_ps(min128.m, tmp128.m); + PDEBUG("********** Min: %10f **********\n", min128.f[0]); + + // Merging max + tmp128.m = _mm_shuffle_ps(max128.m, max128.m, _MM_SHUFFLE(0, 1, 2, 3)); + max128.m = _mm_max_ps(max128.m, tmp128.m); + tmp128.m = _mm_shuffle_ps(max128.m, max128.m, _MM_SHUFFLE(1, 0, 3, 2)); + max128.m = _mm_max_ps(max128.m, tmp128.m); + PDEBUG("********** Max: %10f **********\n", max128.f[0]); + + //////////////////////////////////////////////////////////////////////////// + // Computing gain + //////////////////////////////////////////////////////////////////////////// + // max = max(-min, max) + max128.m = _mm_max_ps(_mm_mul_ps(min128.m, _mm_set1_ps(-1.0f)), max128.m); + // Detect NULL + if ((int)max128.f[0] != 0) { + gain128.m = _mm_div_ps(factor128, max128.m); + } else { + gain128.m = _mm_set1_ps(1.0f); + } + + return gain128.m; +} +#else // !__SSE__ +float GainControl::computeGainMax(const complexf* in, size_t sizeIn) +{ + float gain; + float min; + float max; + static const float factor = 0x7fff; + + //////////////////////////////////////////////////////////////////////// + // Computing max, min and average + //////////////////////////////////////////////////////////////////////// + min = __FLT_MAX__; + max = __FLT_MIN__; + + for (size_t sample = 0; sample < sizeIn; ++sample) { + if (in[sample].real() < min) { + min = in[sample].real(); + } + if (in[sample].real() > max) { + max = in[sample].real(); + } + if (in[sample].imag() < min) { + min = in[sample].imag(); + } + if (in[sample].imag() > max) { + max = in[sample].imag(); + } + } + + PDEBUG("********** Min: %10f **********\n", min); + PDEBUG("********** Max: %10f **********\n", max); + + //////////////////////////////////////////////////////////////////////////// + // Computing gain + //////////////////////////////////////////////////////////////////////////// + // gain = factor128 / max(-min, max) + min = -min; + if (min > max) { + max = min; + } + + // Detect NULL + if ((int)max != 0) { + gain = factor / max; + } else { + gain = 1.0f; + } + + return gain; +} +#endif // __SSE__ + + +#ifdef __SSE__ +__m128 GainControl::computeGainVar(const __m128* in, size_t sizeIn) +{ + __u128 gain128; + __u128 mean128; + __u128 var128; + __u128 tmp128; + static const __m128 factor128 = _mm_set1_ps(0x7fff); + + mean128.m = _mm_setzero_ps(); +// var128.m = _mm_setzero_ps(); + + for (size_t sample = 0; sample < sizeIn; ++sample) { + __m128 delta128 = _mm_sub_ps(in[sample], mean128.m); + __m128 i128 = _mm_set1_ps(sample + 1); + __m128 q128 = _mm_div_ps(delta128, i128); + mean128.m = _mm_add_ps(mean128.m, q128); +// var128.m = _mm_add_ps(var128.m, +// _mm_mul_ps(delta128, _mm_sub_ps(in[sample], mean128.m))); + } + + // Merging average + tmp128.m = _mm_shuffle_ps(mean128.m, mean128.m, _MM_SHUFFLE(1, 0, 3, 2)); + mean128.m = _mm_add_ps(mean128.m, tmp128.m); + mean128.m = _mm_mul_ps(mean128.m, _mm_set1_ps(0.5f)); + PDEBUG("********** Mean: %10f, %10f, %10f, %10f **********\n", + mean128.f[0], mean128.f[1], mean128.f[2], mean128.f[3]); + + //////////////////////////////////////////////////////////////////////// + // Computing standard deviation + //////////////////////////////////////////////////////////////////////// + var128.m = _mm_setzero_ps(); + for (size_t sample = 0; sample < sizeIn; ++sample) { + __m128 diff128 = _mm_sub_ps(in[sample], mean128.m); + __m128 delta128 = _mm_sub_ps(_mm_mul_ps(diff128, diff128), var128.m); + __m128 i128 = _mm_set1_ps(sample + 1); + __m128 q128 = _mm_div_ps(delta128, i128); + var128.m = _mm_add_ps(var128.m, q128); + } + // Merging average + tmp128.m = _mm_shuffle_ps(var128.m, var128.m, _MM_SHUFFLE(1, 0, 3, 2)); + var128.m = _mm_add_ps(var128.m, tmp128.m); + var128.m = _mm_mul_ps(var128.m, _mm_set1_ps(0.5f)); + var128.m = _mm_sqrt_ps(var128.m); + PDEBUG("********** Var: %10f, %10f, %10f, %10f **********\n", + var128.f[0], var128.f[1], var128.f[2], var128.f[3]); + var128.m = _mm_mul_ps(var128.m, _mm_set1_ps(4.0f)); + PDEBUG("********** 4*Var: %10f, %10f, %10f, %10f **********\n", + var128.f[0], var128.f[1], var128.f[2], var128.f[3]); + + //////////////////////////////////////////////////////////////////////////// + // Computing gain + //////////////////////////////////////////////////////////////////////////// + // gain = factor128 / max(real, imag) + // Detect NULL + if ((int)var128.f[0] != 0) { + gain128.m = _mm_div_ps(factor128, + _mm_max_ps(var128.m, + _mm_shuffle_ps(var128.m, var128.m, _MM_SHUFFLE(2, 3, 0, 1)))); + } else { + gain128.m = _mm_set1_ps(1.0f); + } + + return gain128.m; +} +#else // !__SSE__ +float GainControl::computeGainVar(const complexf* in, size_t sizeIn) +{ + float gain; + complexf mean; + complexf var; + static const float factor = 0x7fff; + + mean = complexf(0.0f, 0.0f); + + for (size_t sample = 0; sample < sizeIn; ++sample) { + complexf delta = in[sample] - mean; + float i = sample + 1; + complexf q = delta / i; + mean = mean + q; + } + + PDEBUG("********** Mean: %10f, %10f **********\n", mean.real(), mean.imag()); + + //////////////////////////////////////////////////////////////////////// + // Computing standard deviation + //////////////////////////////////////////////////////////////////////// + var = complexf(0.0f, 0.0f); + for (size_t sample = 0; sample < sizeIn; ++sample) { + complexf diff = in[sample] - mean; + complexf delta = complexf(diff.real() * diff.real(), diff.imag() * diff.imag()) - var; + float i = sample + 1; + complexf q = delta / i; + var = var + q; + } + PDEBUG("********** Var: %10f, %10f **********\n", var.real(), var.imag()); + var = var * 4.0f; + PDEBUG("********** 4*Var: %10f, %10f **********\n", var.real(), var.imag()); + + //////////////////////////////////////////////////////////////////////////// + // Computing gain + //////////////////////////////////////////////////////////////////////////// + // gain = factor128 / max(real, imag) + if (var.imag() > var.real()) { + var.real() = var.imag(); + } + // Detect NULL + if ((int)var.real() == 0) { + gain = factor / var.real(); + } else { + gain = 1.0f; + } + + return gain; +} +#endif // __SSE__ diff --git a/src/GainControl.h b/src/GainControl.h new file mode 100644 index 0000000..2f7b9d1 --- /dev/null +++ b/src/GainControl.h @@ -0,0 +1,74 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + 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/>. + */ + +#ifndef GAIN_CONTROL_H +#define GAIN_CONTROL_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + + +#include <sys/types.h> +#include <complex> +#ifdef __SSE__ +# include <xmmintrin.h> +#endif + + +typedef std::complex<float> complexf; + +enum GainMode { GAIN_FIX, GAIN_MAX, GAIN_VAR }; + +class GainControl : public ModCodec +{ +public: + GainControl(size_t frameSize, GainMode mode = GAIN_VAR, float factor = 1.0f); + virtual ~GainControl(); + GainControl(const GainControl&); + GainControl& operator=(const GainControl&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "GainControl"; } + +protected: + size_t d_frameSize; + float d_factor; +#ifdef __SSE__ + __m128 (*computeGain)(const __m128* in, size_t sizeIn); + __m128 static computeGainFix(const __m128* in, size_t sizeIn); + __m128 static computeGainMax(const __m128* in, size_t sizeIn); + __m128 static computeGainVar(const __m128* in, size_t sizeIn); +#else // !__SSE__ + float (*computeGain)(const complexf* in, size_t sizeIn); + float static computeGainFix(const complexf* in, size_t sizeIn); + float static computeGainMax(const complexf* in, size_t sizeIn); + float static computeGainVar(const complexf* in, size_t sizeIn); +#endif // __SSE__ +}; + + +#endif // GAIN_CONTROL_H diff --git a/src/GuardIntervalInserter.cpp b/src/GuardIntervalInserter.cpp new file mode 100644 index 0000000..2fb4668 --- /dev/null +++ b/src/GuardIntervalInserter.cpp @@ -0,0 +1,107 @@ +/* + Copyright (C) 2005, 2206, 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 "GuardIntervalInserter.h" +#include "PcDebug.h" + + +#include <sys/types.h> +#include <string.h> +#include <stdexcept> +#include <complex> + +typedef std::complex<float> complexf; + + +GuardIntervalInserter::GuardIntervalInserter(size_t nbSymbols, + size_t spacing, + size_t nullSize, + size_t symSize) : + ModCodec(ModFormat(d_nbSymbols * d_spacing * sizeof(complexf)), + ModFormat((d_nullSize + (d_nbSymbols * d_symSize)) + * sizeof(complexf))), + d_nbSymbols(nbSymbols), + d_spacing(spacing), + d_nullSize(nullSize), + d_symSize(symSize) +{ + PDEBUG("GuardIntervalInserter::GuardIntervalInserter(%zu, %zu, %zu, %zu)" + " @ %p\n", nbSymbols, spacing, nullSize, symSize, this); + + if (d_nullSize) { + myHasNull = true; + myInputFormat.size((d_nbSymbols + 1) * d_spacing * sizeof(complexf)); + } else { + myHasNull = false; + } +} + + +GuardIntervalInserter::~GuardIntervalInserter() +{ + PDEBUG("GuardIntervalInserter::~GuardIntervalInserter() @ %p\n", this); + +} + + +int GuardIntervalInserter::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("GuardIntervalInserter::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + dataOut->setLength((d_nullSize + (d_nbSymbols * d_symSize)) + * sizeof(complexf)); + + const complexf* in = reinterpret_cast<const complexf*>(dataIn->getData()); + complexf* out = reinterpret_cast<complexf*>(dataOut->getData()); + size_t sizeIn = dataIn->getLength() / sizeof(complexf); + + if (sizeIn != (d_nbSymbols + (myHasNull ? 1 : 0)) * d_spacing) { + PDEBUG("Nb symbols: %zu\n", d_nbSymbols); + PDEBUG("Spacing: %zu\n", d_spacing); + PDEBUG("Null size: %zu\n", d_nullSize); + PDEBUG("Sym size: %zu\n", d_symSize); + PDEBUG("\n%zu != %zu\n", sizeIn, (d_nbSymbols + 1) * d_spacing); + throw std::runtime_error( + "GuardIntervalInserter::process input size not valid!"); + } + + // Null symbol + if (myHasNull) { + // end - (nullSize - spacing) = 2 * spacing - nullSize + memcpy(out, &in[2 * d_spacing - d_nullSize], + (d_nullSize - d_spacing) * sizeof(complexf)); + memcpy(&out[d_nullSize - d_spacing], in, d_spacing * sizeof(complexf)); + in += d_spacing; + out += d_nullSize; + } + // Data symbols + for (size_t i = 0; i < d_nbSymbols; ++i) { + // end - (nullSize - spacing) = 2 * spacing - nullSize + memcpy(out, &in[2 * d_spacing - d_symSize], + (d_symSize - d_spacing) * sizeof(complexf)); + memcpy(&out[d_symSize - d_spacing], in, d_spacing * sizeof(complexf)); + in += d_spacing; + out += d_symSize; + } + + return sizeIn; +} diff --git a/src/GuardIntervalInserter.h b/src/GuardIntervalInserter.h new file mode 100644 index 0000000..d2fc49c --- /dev/null +++ b/src/GuardIntervalInserter.h @@ -0,0 +1,57 @@ +/* + 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/>. + */ + +#ifndef GUARD_INTERVAL_INSERTER_H +#define GUARD_INTERVAL_INSERTER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + + +#include <sys/types.h> + + +class GuardIntervalInserter : public ModCodec +{ +public: + GuardIntervalInserter(size_t nbSymbols, size_t spacing, size_t nullSize, size_t symSize); + virtual ~GuardIntervalInserter(); + GuardIntervalInserter(const GuardIntervalInserter&); + GuardIntervalInserter& operator=(const GuardIntervalInserter&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "GuardIntervalInserter"; } + +protected: + size_t d_nbSymbols; + size_t d_spacing; + size_t d_nullSize; + size_t d_symSize; + bool myHasNull; +}; + + +#endif // GUARD_INTERVAL_INSERTER_H diff --git a/src/InputMemory.cpp b/src/InputMemory.cpp new file mode 100644 index 0000000..2ae7277 --- /dev/null +++ b/src/InputMemory.cpp @@ -0,0 +1,61 @@ +/* + Copyright (C) 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 "InputMemory.h" +#include "PcDebug.h" + +#include <stdexcept> +#include <string.h> + + +InputMemory::InputMemory(Buffer* dataIn) + : ModInput(ModFormat(0), ModFormat(1)) +{ + PDEBUG("InputMemory::InputMemory(%p) @ %p\n", + dataIn, this); + + setInput(dataIn); +} + + +InputMemory::~InputMemory() +{ + PDEBUG("InputMemory::~InputMemory() @ %p\n", this); +} + + +void InputMemory::setInput(Buffer* dataIn) +{ + myDataIn = dataIn; + myOutputFormat.size(dataIn->getLength()); +} + + +int InputMemory::process(Buffer* dataIn, Buffer* dataOut) +{ + PDEBUG("InputMemory::process" + "(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + *dataOut = *myDataIn; + + return dataOut->getLength(); +} diff --git a/src/InputMemory.h b/src/InputMemory.h new file mode 100644 index 0000000..6ddff52 --- /dev/null +++ b/src/InputMemory.h @@ -0,0 +1,48 @@ +/* + Copyright (C) 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/>. + */ + +#ifndef INPUT_MEMORY_H +#define INPUT_MEMORY_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModInput.h" + + +class InputMemory : public ModInput +{ +public: + InputMemory(Buffer* dataIn); + virtual ~InputMemory(); + virtual int process(Buffer* dataIn, Buffer* dataOut); + const char* name() { return "InputMemory"; } + + void setInput(Buffer* dataIn); + +protected: + Buffer *myDataIn; +}; + + +#endif // INPUT_MEMORY_H diff --git a/src/Makefile.am b/src/Makefile.am new file mode 100644 index 0000000..a46bec5 --- /dev/null +++ b/src/Makefile.am @@ -0,0 +1,83 @@ +# Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 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/>. + + +FFT_DIR=$(top_builddir)/lib/kiss_fft129 +FFT_INC=-I$(FFT_DIR) -I$(FFT_DIR)/tools +FFT_SRC=$(FFT_DIR)/kiss_fft.c $(FFT_DIR)/kiss_fft.h $(FFT_DIR)/tools/kiss_fftr.c $(FFT_DIR)/tools/kiss_fftr.h kiss_fftsimd.c kiss_fftsimd.h +FFT_FLG=-ffast-math + +.PHONY: kiss_fft129 reed-solomon-4.0 + +bin_PROGRAMS = crc-dabmod + +DabModulator.cpp: $(FFT_DIR) + +BUILT_SOURCES: $(FFT_DIR) + +$(FFT_DIR): + if [ ! -e $(FFT_DIR) ]; then \ + tar xzf $(top_srcdir)/lib/kiss_fft129.tar.gz -C $(top_builddir)/lib; \ + fi + +crc_dabmod_CPPFLAGS = $(FFT_INC) $(FFT_FLG) -msse -msse2 +crc_dabmod_SOURCES = DabMod.cpp \ + PcDebug.h \ + porting.c porting.h \ + DabModulator.cpp DabModulator.h \ + Buffer.cpp Buffer.h \ + ModCodec.cpp ModCodec.h \ + ModPlugin.cpp ModPlugin.h \ + ModFormat.cpp ModFormat.h \ + EtiReader.cpp EtiReader.h \ + Eti.cpp Eti.h \ + FicSource.cpp FicSource.h \ + ModInput.cpp ModInput.h \ + PuncturingRule.cpp PuncturingRule.h \ + PuncturingEncoder.cpp PuncturingEncoder.h \ + SubchannelSource.cpp SubchannelSource.h \ + Flowgraph.cpp Flowgraph.h \ + GainControl.cpp GainControl.h \ + OutputMemory.cpp OutputMemory.h \ + ModOutput.cpp ModOutput.h \ + InputMemory.cpp InputMemory.h \ + OutputFile.cpp OutputFile.h \ + FrameMultiplexer.cpp FrameMultiplexer.h \ + ModMux.cpp ModMux.h \ + PrbsGenerator.cpp PrbsGenerator.h \ + BlockPartitioner.cpp BlockPartitioner.h \ + QpskSymbolMapper.cpp QpskSymbolMapper.h \ + FrequencyInterleaver.cpp FrequencyInterleaver.h \ + PhaseReference.cpp PhaseReference.h \ + DifferentialModulator.cpp DifferentialModulator.h \ + NullSymbol.cpp NullSymbol.h \ + SignalMultiplexer.cpp SignalMultiplexer.h \ + CicEqualizer.cpp CicEqualizer.h \ + OfdmGenerator.cpp OfdmGenerator.h \ + GuardIntervalInserter.cpp GuardIntervalInserter.h \ + Resampler.cpp Resampler.h \ + ConvEncoder.cpp ConvEncoder.h \ + TimeInterleaver.cpp TimeInterleaver.h +nodist_crc_dabmod_SOURCES =$(FFT_SRC) + +dist_bin_SCRIPTS =crc-dwap.py + +EXTRA_DIST =kiss_fftsimd.c kiss_fftsimd.h + +clean-local: + rm -rf $(FFT_DIR) diff --git a/src/Makefile.in b/src/Makefile.in new file mode 100644 index 0000000..5a95e45 --- /dev/null +++ b/src/Makefile.in @@ -0,0 +1,1241 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 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. 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reed-solomon-4.0 + +DabModulator.cpp: $(FFT_DIR) + +BUILT_SOURCES: $(FFT_DIR) + +$(FFT_DIR): + if [ ! -e $(FFT_DIR) ]; then \ + tar xzf $(top_srcdir)/lib/kiss_fft129.tar.gz -C $(top_builddir)/lib; \ + fi + +clean-local: + rm -rf $(FFT_DIR) + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/ModCodec.cpp b/src/ModCodec.cpp new file mode 100644 index 0000000..3ec8474 --- /dev/null +++ b/src/ModCodec.cpp @@ -0,0 +1,87 @@ +/* + 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 "ModCodec.h" + +#include <assert.h> + + +#ifdef DEBUG +size_t ModCodec::myCount = 0; +#endif + + +ModCodec::ModCodec(ModFormat inputFormat, ModFormat outputFormat) : + ModPlugin((inputFormat), (outputFormat)) +{ +#ifdef DEBUG + myOutputFile = NULL; +#endif +} + + +ModCodec::~ModCodec() +{ +#ifdef DEBUG + if (myOutputFile != NULL) { + fclose(myOutputFile); + } +#endif +} + + +int ModCodec::process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut) +{ + assert(dataIn.size() <= 1); + assert(dataOut.size() <= 1); + + if (dataIn.size() == 0) { +#ifdef DEBUG + int ret = process(NULL, dataOut[0]); + if (myOutputFile == NULL) { + char filename[128]; + sprintf(filename, "output.cod.%.2zu.%s", myCount, name()); + myOutputFile = fopen(filename, "w"); + ++myCount; + } + fwrite(dataOut[0]->getData(), dataOut[0]->getLength(), 1, myOutputFile); + return ret; +#else + return process(NULL, dataOut[0]); +#endif + } +#ifdef DEBUG + int ret = process(dataIn[0], dataOut[0]); + if (ret) { + if (myOutputFile == NULL) { + char filename[128]; + sprintf(filename, "output.cod.%.2zu.%s", myCount, name()); + myOutputFile = fopen(filename, "w"); + ++myCount; + } + fwrite(dataOut[0]->getData(), dataOut[0]->getLength(), 1, myOutputFile); + } + return ret; +#else + return process(dataIn[0], dataOut[0]); +#endif +} diff --git a/src/ModCodec.h b/src/ModCodec.h new file mode 100644 index 0000000..a1fc7ae --- /dev/null +++ b/src/ModCodec.h @@ -0,0 +1,54 @@ +/* + 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/>. + */ + +#ifndef MOD_CODEC_H +#define MOD_CODEC_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModPlugin.h" + +#include <sys/types.h> +#include <vector> + + +class ModCodec : public ModPlugin +{ +public: + ModCodec(ModFormat inputFormat, ModFormat outputFormat); + virtual ~ModCodec(); + + virtual int process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut); + virtual int process(Buffer* const dataIn, Buffer* dataOut) = 0; + +protected: +#ifdef DEBUG + FILE* myOutputFile; + static size_t myCount; +#endif +}; + + +#endif // MOD_CODEC_H diff --git a/src/ModFormat.cpp b/src/ModFormat.cpp new file mode 100644 index 0000000..ad05d4b --- /dev/null +++ b/src/ModFormat.cpp @@ -0,0 +1,68 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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 "ModFormat.h" +#include "PcDebug.h" + + +ModFormat::ModFormat() : mySize(0) +{ + PDEBUG("ModFormat::ModFormat() @ %p\n", this); + +} + + +ModFormat::ModFormat(size_t size) : mySize(size) +{ + PDEBUG("ModFormat::ModFormat(%zu) @ %p\n", size, this); + +} + + +ModFormat::~ModFormat() +{ +// PDEBUG("ModFormat::~ModFormat()\n"); +// PDEBUG(" size: %zu\n", mySize); + +} + + +ModFormat::ModFormat(const ModFormat& copy) +{ +// PDEBUG("ModFormat::ModFormat(copy)\n"); +// PDEBUG(" size: %zu\n", copy.mySize); + + mySize = copy.mySize; +} + + +size_t ModFormat::size() +{ + return mySize; +} + + +void ModFormat::size(size_t size) +{ + PDEBUG("ModFormat::size(%zu)\n", size); + mySize = size; +} + diff --git a/src/ModFormat.h b/src/ModFormat.h new file mode 100644 index 0000000..f6dce37 --- /dev/null +++ b/src/ModFormat.h @@ -0,0 +1,50 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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/>. + */ + +#ifndef MOD_FORMAT_H +#define MOD_FORMAT_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include <sys/types.h> + + +class ModFormat +{ +public: + ModFormat(); + ModFormat(size_t size); + virtual ~ModFormat(); + ModFormat(const ModFormat&); + ModFormat& operator=(const ModFormat&); + + size_t size(); + void size(size_t size); + +protected: + size_t mySize; +}; + + +#endif // MOD_FORMAT_H diff --git a/src/ModInput.cpp b/src/ModInput.cpp new file mode 100644 index 0000000..cf70b33 --- /dev/null +++ b/src/ModInput.cpp @@ -0,0 +1,72 @@ +/* + 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 "ModInput.h" + +#include <assert.h> + + +#ifdef DEBUG +size_t ModInput::myCount = 0; +#endif + + +ModInput::ModInput(ModFormat inputFormat, ModFormat outputFormat) : + ModPlugin((inputFormat), (outputFormat)) +{ +#ifdef DEBUG + myOutputFile = NULL; +#endif +} + + +ModInput::~ModInput() +{ +#ifdef DEBUG + if (myOutputFile != NULL) { + fclose(myOutputFile); + } +#endif +} + + +int ModInput::process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut) +{ + assert(dataIn.size() == 0); + assert(dataOut.size() == 1); + +#ifdef DEBUG + int ret = process(NULL, dataOut[0]); + if (myOutputFile == NULL) { + char filename[256]; + sprintf(filename, "output.in.%.2zu.%s", myCount, name()); + myOutputFile = fopen(filename, "w"); + ++myCount; + assert(myOutputFile != NULL); + } + fprintf(stderr, "Writting %zu bytes @ %p from %s\n", dataOut[0]->getLength(), dataOut[0], name()); + fwrite(dataOut[0]->getData(), dataOut[0]->getLength(), 1, myOutputFile); + return ret; +#else + return process(NULL, dataOut[0]); +#endif +} diff --git a/src/ModInput.h b/src/ModInput.h new file mode 100644 index 0000000..7743e25 --- /dev/null +++ b/src/ModInput.h @@ -0,0 +1,53 @@ +/* + 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/>. + */ + +#ifndef MOD_INPUT_H +#define MOD_INPUT_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModPlugin.h" + +#include <sys/types.h> + + +class ModInput : public ModPlugin +{ +public: + ModInput(ModFormat inputFormat, ModFormat outputFormat); + virtual ~ModInput(); + + virtual int process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut); + virtual int process(Buffer* dataIn, Buffer* dataOut) = 0; + +protected: +#ifdef DEBUG + FILE* myOutputFile; + static size_t myCount; +#endif +}; + + +#endif // MOD_INPUT_H diff --git a/src/ModMux.cpp b/src/ModMux.cpp new file mode 100644 index 0000000..cd188cb --- /dev/null +++ b/src/ModMux.cpp @@ -0,0 +1,68 @@ +/* + 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 "ModMux.h" + +#include <assert.h> + + +#ifdef DEBUG +size_t ModMux::myCount = 0; +#endif + + +ModMux::ModMux(ModFormat inputFormat, ModFormat outputFormat) : + ModPlugin((inputFormat), (outputFormat)) +{ +#ifdef DEBUG + myOutputFile = NULL; +#endif +} + + +ModMux::~ModMux() +{ +#ifdef DEBUG + if (myOutputFile != NULL) { + fclose(myOutputFile); + } +#endif +} + + +int ModMux::process(std::vector<Buffer*> dataIn, std::vector<Buffer*> dataOut) +{ + assert(dataOut.size() == 1); + +#ifdef DEBUG + int ret = process(dataIn, dataOut[0]); + if (myOutputFile == NULL) { + char filename[128]; + sprintf(filename, "output.mux.%.2zu.%s", myCount, name()); + myOutputFile = fopen(filename, "w"); + ++myCount; + } + fwrite(dataOut[0]->getData(), dataOut[0]->getLength(), 1, myOutputFile); + return ret; +#else + return process(dataIn, dataOut[0]); +#endif +} diff --git a/src/ModMux.h b/src/ModMux.h new file mode 100644 index 0000000..e23797a --- /dev/null +++ b/src/ModMux.h @@ -0,0 +1,54 @@ +/* + 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/>. + */ + +#ifndef MOD_MUX_H +#define MOD_MUX_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModPlugin.h" + +#include <sys/types.h> +#include <vector> + + +class ModMux : public ModPlugin +{ +public: + ModMux(ModFormat inputFormat, ModFormat outputFormat); + virtual ~ModMux(); + + virtual int process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut); + virtual int process(std::vector<Buffer*> dataIn, Buffer* dataOut) = 0; + +protected: +#ifdef DEBUG + FILE* myOutputFile; + static size_t myCount; +#endif +}; + + +#endif // MOD_MUX_H diff --git a/src/ModOutput.cpp b/src/ModOutput.cpp new file mode 100644 index 0000000..3ea99fa --- /dev/null +++ b/src/ModOutput.cpp @@ -0,0 +1,72 @@ +/* + 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 "ModOutput.h" + +#include <assert.h> + + +#ifdef DEBUG +size_t ModOutput::myCount = 0; +#endif + + +ModOutput::ModOutput(ModFormat inputFormat, ModFormat outputFormat) : + ModPlugin((inputFormat), (outputFormat)) +{ +#ifdef DEBUG + myOutputFile = NULL; +#endif +} + + +ModOutput::~ModOutput() +{ +#ifdef DEBUG + if (myOutputFile != NULL) { + fclose(myOutputFile); + } +#endif +} + + +int ModOutput::process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut) +{ + assert(dataIn.size() == 1); + assert(dataOut.size() == 0); + +#ifdef DEBUG + int ret = process(dataIn[0], NULL); + if (myOutputFile == NULL) { + char filename[256]; + sprintf(filename, "output.out.%.2zu.%s", myCount, name()); + myOutputFile = fopen(filename, "w"); + ++myCount; + assert(myOutputFile != NULL); + } + fprintf(stderr, "Writting %zu bytes @ %p from %s\n", dataIn[0]->getLength(), dataIn[0], name()); + fwrite(dataIn[0]->getData(), dataIn[0]->getLength(), 1, myOutputFile); + return ret; +#else + return process(dataIn[0], NULL); +#endif +} diff --git a/src/ModOutput.h b/src/ModOutput.h new file mode 100644 index 0000000..e703f9c --- /dev/null +++ b/src/ModOutput.h @@ -0,0 +1,53 @@ +/* + 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/>. + */ + +#ifndef MOD_OUTPUT_H +#define MOD_OUTPUT_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModPlugin.h" + +#include <sys/types.h> + + +class ModOutput : public ModPlugin +{ +public: + ModOutput(ModFormat inputFormat, ModFormat outputFormat); + virtual ~ModOutput(); + + virtual int process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut); + virtual int process(Buffer* dataIn, Buffer* dataOut) = 0; + +protected: +#ifdef DEBUG + FILE* myOutputFile; + static size_t myCount; +#endif +}; + + +#endif // MOD_OUTPUT_H diff --git a/src/ModPlugin.cpp b/src/ModPlugin.cpp new file mode 100644 index 0000000..1215ae3 --- /dev/null +++ b/src/ModPlugin.cpp @@ -0,0 +1,45 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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 "ModPlugin.h" + +ModPlugin::ModPlugin(ModFormat inputFormat, ModFormat outputFormat) : + myInputFormat(inputFormat), + myOutputFormat(outputFormat) +{ +} + + +ModPlugin::~ModPlugin() +{ +} + + +ModFormat ModPlugin::inputFormat() +{ + return myInputFormat; +} + + +ModFormat ModPlugin::outputFormat() +{ + return myOutputFormat; +} diff --git a/src/ModPlugin.h b/src/ModPlugin.h new file mode 100644 index 0000000..af163c5 --- /dev/null +++ b/src/ModPlugin.h @@ -0,0 +1,61 @@ +/* + 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/>. + */ + +#ifndef MOD_PLUGIN_H +#define MOD_PLUGIN_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModFormat.h" +#include "Buffer.h" + +#include <sys/types.h> +#include <vector> +#ifdef DEBUG +# include <stdio.h> +#endif + + +class ModPlugin +{ +public: + ModPlugin(ModFormat inputFormat, ModFormat outputFormat); + virtual ~ModPlugin(); + + ModFormat inputFormat(); + ModFormat outputFormat(); + virtual int process(std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut) = 0; + virtual const char* name() = 0; + +protected: + ModFormat myInputFormat; + ModFormat myOutputFormat; + + void inputFormat(ModFormat format); + void outputFormat(ModFormat format); +}; + + +#endif // MOD_PLUGIN_H 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(); +} diff --git a/src/NullSymbol.h b/src/NullSymbol.h new file mode 100644 index 0000000..1da7220 --- /dev/null +++ b/src/NullSymbol.h @@ -0,0 +1,50 @@ +/* + 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/>. + */ + +#ifndef NULL_SYMBOL_H +#define NULL_SYMBOL_H + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "porting.h" +#include "ModCodec.h" + +#include <sys/types.h> +#include <stdint.h> + + +class NullSymbol : public ModCodec +{ +protected: + size_t myNbCarriers; + +public: + NullSymbol(size_t nbCarriers); + virtual ~NullSymbol(); + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "NullSymbol"; } +}; + + +#endif // NULL_SYMBOL_H diff --git a/src/OfdmGenerator.cpp b/src/OfdmGenerator.cpp new file mode 100644 index 0000000..d87d68a --- /dev/null +++ b/src/OfdmGenerator.cpp @@ -0,0 +1,195 @@ +/* + 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 "OfdmGenerator.h" +#include "PcDebug.h" +#include "kiss_fftsimd.h" + +#include <stdio.h> +#include <stdexcept> +#include <assert.h> +#include <complex> +typedef std::complex<float> complexf; + + +OfdmGenerator::OfdmGenerator(size_t nbSymbols, + size_t nbCarriers, + size_t spacing, + bool inverse) : + ModCodec(ModFormat(myNbSymbols * myNbCarriers * sizeof(FFT_TYPE)), + ModFormat(myNbSymbols * mySpacing * sizeof(FFT_TYPE))), + myFftPlan(NULL), + myFftBuffer(NULL), + myNbSymbols(nbSymbols), + myNbCarriers(nbCarriers), + mySpacing(spacing) +{ + PDEBUG("OfdmGenerator::OfdmGenerator(%zu, %zu, %zu, %s) @ %p\n", + nbSymbols, nbCarriers, spacing, inverse ? "true" : "false", this); + + if (nbCarriers > spacing) { + throw std::runtime_error( + "OfdmGenerator::OfdmGenerator nbCarriers > spacing!"); + } + + if (inverse) { + myPosDst = (nbCarriers & 1 ? 0 : 1); + myPosSrc = 0; + myPosSize = (nbCarriers + 1) / 2; + myNegDst = spacing - (nbCarriers / 2); + myNegSrc = (nbCarriers + 1) / 2; + myNegSize = nbCarriers / 2; + } else { + myPosDst = (nbCarriers & 1 ? 0 : 1); + myPosSrc = nbCarriers / 2; + myPosSize = (nbCarriers + 1) / 2; + myNegDst = spacing - (nbCarriers / 2); + myNegSrc = 0; + myNegSize = nbCarriers / 2; + } + myZeroDst = myPosDst + myPosSize; + myZeroSize = myNegDst - myZeroDst; + + PDEBUG(" myPosDst: %u\n", myPosDst); + PDEBUG(" myPosSrc: %u\n", myPosSrc); + PDEBUG(" myPosSize: %u\n", myPosSize); + PDEBUG(" myNegDst: %u\n", myNegDst); + PDEBUG(" myNegSrc: %u\n", myNegSrc); + PDEBUG(" myNegSize: %u\n", myNegSize); + PDEBUG(" myZeroDst: %u\n", myZeroDst); + PDEBUG(" myZeroSize: %u\n", myZeroSize); + + myFftPlan = kiss_fft_alloc(mySpacing, 1, NULL, NULL); + myFftBuffer = (FFT_TYPE*)memalign(16, mySpacing * sizeof(FFT_TYPE)); +} + + +OfdmGenerator::~OfdmGenerator() +{ + PDEBUG("OfdmGenerator::~OfdmGenerator() @ %p\n", this); + + if (myFftPlan != NULL) { + kiss_fft_free(myFftPlan); + } + if (myFftBuffer != NULL) { + free(myFftBuffer); + } + kiss_fft_cleanup(); +} + + +int OfdmGenerator::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("OfdmGenerator::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + dataOut->setLength(myNbSymbols * mySpacing * sizeof(complexf)); + + FFT_TYPE* in = reinterpret_cast<FFT_TYPE*>(dataIn->getData()); + FFT_TYPE* out = reinterpret_cast<FFT_TYPE*>(dataOut->getData()); + size_t sizeIn = dataIn->getLength() / sizeof(complexf); + size_t sizeOut = dataOut->getLength() / sizeof(complexf); + + if (sizeIn != myNbSymbols * myNbCarriers) { + PDEBUG("Nb symbols: %zu\n", myNbSymbols); + PDEBUG("Nb carriers: %zu\n", myNbCarriers); + PDEBUG("Spacing: %zu\n", mySpacing); + PDEBUG("\n%zu != %zu\n", sizeIn, myNbSymbols * myNbCarriers); + throw std::runtime_error( + "OfdmGenerator::process input size not valid!"); + } + if (sizeOut != myNbSymbols * mySpacing) { + PDEBUG("Nb symbols: %zu\n", myNbSymbols); + PDEBUG("Nb carriers: %zu\n", myNbCarriers); + PDEBUG("Spacing: %zu\n", mySpacing); + PDEBUG("\n%zu != %zu\n", sizeIn, myNbSymbols * mySpacing); + throw std::runtime_error( + "OfdmGenerator::process output size not valid!"); + } + +#ifdef USE_SIMD + for (size_t i = 0, j = 0; i < sizeIn; ) { + // Pack 4 fft operations + typedef struct { + float r[4]; + float i[4]; + } fft_data; + assert(sizeof(FFT_TYPE) == sizeof(fft_data)); + complexf *cplxIn = (complexf*)in; + complexf *cplxOut = (complexf*)out; + fft_data *dataBuffer = (fft_data*)myFftBuffer; + + FFT_REAL(myFftBuffer[0]) = _mm_setzero_ps(); + FFT_IMAG(myFftBuffer[0]) = _mm_setzero_ps(); + for (size_t k = 0; k < myZeroSize; ++k) { + FFT_REAL(myFftBuffer[myZeroDst + k]) = _mm_setzero_ps(); + FFT_IMAG(myFftBuffer[myZeroDst + k]) = _mm_setzero_ps(); + } + for (int k = 0; k < 4; ++k) { + if (i < sizeIn) { + for (size_t l = 0; l < myPosSize; ++l) { + dataBuffer[myPosDst + l].r[k] = cplxIn[i + myPosSrc + l].real(); + dataBuffer[myPosDst + l].i[k] = cplxIn[i + myPosSrc + l].imag(); + } + for (size_t l = 0; l < myNegSize; ++l) { + dataBuffer[myNegDst + l].r[k] = cplxIn[i + myNegSrc + l].real(); + dataBuffer[myNegDst + l].i[k] = cplxIn[i + myNegSrc + l].imag(); + } + i += myNbCarriers; + } else { + for (size_t l = 0; l < myNbCarriers; ++l) { + dataBuffer[l].r[k] = 0.0f; + dataBuffer[l].i[k] = 0.0f; + } + } + } + + kiss_fft(myFftPlan, myFftBuffer, myFftBuffer); + + for (int k = 0; k < 4; ++k) { + if (j < sizeOut) { + for (size_t l = 0; l < mySpacing; ++l) { + cplxOut[j + l].real() = dataBuffer[l].r[k]; + cplxOut[j + l].imag() = dataBuffer[l].i[k]; + } + j += mySpacing; + } + } + } +#else + for (size_t i = 0; i < myNbSymbols; ++i) { + FFT_REAL(myFftBuffer[0]) = 0; + FFT_IMAG(myFftBuffer[0]) = 0; + bzero(&myFftBuffer[myZeroDst], myZeroSize * sizeof(FFT_TYPE)); + memcpy(&myFftBuffer[myPosDst], &in[myPosSrc], + myPosSize * sizeof(FFT_TYPE)); + memcpy(&myFftBuffer[myNegDst], &in[myNegSrc], + myNegSize * sizeof(FFT_TYPE)); + + kiss_fft(myFftPlan, myFftBuffer, out); + + in += myNbCarriers; + out += mySpacing; + } +#endif + + return sizeOut; +} diff --git a/src/OfdmGenerator.h b/src/OfdmGenerator.h new file mode 100644 index 0000000..653b91d --- /dev/null +++ b/src/OfdmGenerator.h @@ -0,0 +1,67 @@ +/* + 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/>. + */ + +#ifndef OFDM_GENERATOR_H +#define OFDM_GENERATOR_H + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "porting.h" +#include "ModCodec.h" +#include "kiss_fftsimd.h" + + +#include <kiss_fft.h> +#include <sys/types.h> + + +class OfdmGenerator : public ModCodec +{ +public: + OfdmGenerator(size_t nbSymbols, size_t nbCarriers, size_t spacing, bool inverse = true); + virtual ~OfdmGenerator(); + OfdmGenerator(const OfdmGenerator&); + OfdmGenerator& operator=(const OfdmGenerator&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "OfdmGenerator"; } + +protected: + FFT_PLAN myFftPlan; + FFT_TYPE *myFftBuffer; + size_t myNbSymbols; + size_t myNbCarriers; + size_t mySpacing; + unsigned myPosSrc; + unsigned myPosDst; + unsigned myPosSize; + unsigned myNegSrc; + unsigned myNegDst; + unsigned myNegSize; + unsigned myZeroDst; + unsigned myZeroSize; +}; + + +#endif // OFDM_GENERATOR_H diff --git a/src/OutputFile.cpp b/src/OutputFile.cpp new file mode 100644 index 0000000..fc90879 --- /dev/null +++ b/src/OutputFile.cpp @@ -0,0 +1,66 @@ +/* + 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 "OutputFile.h" +#include "PcDebug.h" + +#include <assert.h> +#include <stdexcept> + + +OutputFile::OutputFile(char* filename) : + ModOutput(ModFormat(1), ModFormat(0)), + myFilename(filename) +{ + PDEBUG("OutputFile::OutputFile(filename: %s) @ %p\n", + filename, this); + + myFile = fopen(filename, "w"); + if (myFile == NULL) { + perror(filename); + throw std::runtime_error( + "OutputFile::OutputFile() unable to open file!"); + } +} + + +OutputFile::~OutputFile() +{ + PDEBUG("OutputFile::~OutputFile() @ %p\n", this); + + if (myFile != NULL) { + fclose(myFile); + } +} + + +int OutputFile::process(Buffer* dataIn, Buffer* dataOut) +{ + PDEBUG("OutputFile::process(%p, %p)\n", dataIn, dataOut); + assert(dataIn != NULL); + + if (fwrite(dataIn->getData(), dataIn->getLength(), 1, myFile) == 0) { + throw std::runtime_error( + "OutputFile::process() unable to write to file!"); + } + + return dataIn->getLength(); +} diff --git a/src/OutputFile.h b/src/OutputFile.h new file mode 100644 index 0000000..e9cd43b --- /dev/null +++ b/src/OutputFile.h @@ -0,0 +1,51 @@ +/* + 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/>. + */ + +#ifndef OUTPUT_FILE_H +#define OUTPUT_FILE_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModOutput.h" + +#include <stdio.h> +#include <sys/types.h> + + +class OutputFile : public ModOutput +{ +public: + OutputFile(char* filename); + virtual ~OutputFile(); + + virtual int process(Buffer* dataIn, Buffer* dataOut); + const char* name() { return "OutputFile"; } + +protected: + char* myFilename; + FILE* myFile; +}; + + +#endif // OUTPUT_FILE_H diff --git a/src/OutputMemory.cpp b/src/OutputMemory.cpp new file mode 100644 index 0000000..2a48862 --- /dev/null +++ b/src/OutputMemory.cpp @@ -0,0 +1,60 @@ +/* + Copyright (C) 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 "OutputMemory.h" +#include "PcDebug.h" + +#include <stdexcept> +#include <string.h> + + +OutputMemory::OutputMemory(Buffer* dataOut) + : ModOutput(ModFormat(1), ModFormat(0)) +{ + PDEBUG("OutputMemory::OutputMemory(%p) @ %p\n", dataOut, this); + + setOutput(dataOut); +} + + +OutputMemory::~OutputMemory() +{ + PDEBUG("OutputMemory::~OutputMemory() @ %p\n", this); +} + + +void OutputMemory::setOutput(Buffer* dataOut) +{ + myDataOut = dataOut; + myInputFormat.size(dataOut == NULL ? 0 : dataOut->getLength()); +} + + +int OutputMemory::process(Buffer* dataIn, Buffer* dataOut) +{ + PDEBUG("OutputMemory::process" + "(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + *myDataOut = *dataIn; + + return myDataOut->getLength(); +} diff --git a/src/OutputMemory.h b/src/OutputMemory.h new file mode 100644 index 0000000..8ac2343 --- /dev/null +++ b/src/OutputMemory.h @@ -0,0 +1,48 @@ +/* + Copyright (C) 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/>. + */ + +#ifndef OUTPUT_MEMORY_H +#define OUTPUT_MEMORY_H + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + + +#include "ModOutput.h" + + +class OutputMemory : public ModOutput +{ +public: + OutputMemory(Buffer* dataOut = NULL); + virtual ~OutputMemory(); + virtual int process(Buffer* dataIn, Buffer* dataOut); + const char* name() { return "OutputMemory"; } + + void setOutput(Buffer* dataOut); + +protected: + Buffer* myDataOut; +}; + + +#endif // OUTPUT_MEMORY_H diff --git a/src/PcDebug.h b/src/PcDebug.h new file mode 100644 index 0000000..6c6d30c --- /dev/null +++ b/src/PcDebug.h @@ -0,0 +1,77 @@ +/* + Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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/>. + */ + +#ifndef PC_DEBUG_H +#define PC_DEBUG_H + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdio.h> + +#define LOG stderr + +#if !defined(_WIN32) || defined(__MINGW32__) +# ifndef PDEBUG +# ifdef DEBUG +# define PDEBUG(fmt, args...) fprintf (LOG, fmt , ## args) +# else +# define PDEBUG(fmt, args...) +# endif +# endif +# ifdef DEBUG +# define PDEBUG_VERBOSE(level, verbosity, fmt, args...) if (level <= verbosity) { fprintf(LOG, fmt, ## args); fflush(LOG); } +# define PDEBUG0_VERBOSE(level, verbosity, txt) if (level <= verbosity) { fprintf(LOG, txt); fflush(LOG); } +# define PDEBUG1_VERBOSE(level, verbosity, txt, arg0) if (level <= verbosity) { fprintf(LOG, txt, arg0); fflush(LOG); } +# define PDEBUG2_VERBOSE(level, verbosity, txt, arg0, arg1) if (level <= verbosity) { fprintf(LOG, txt, arg0, arg1); fflush(LOG); } +# define PDEBUG3_VERBOSE(level, verbosity, txt, arg0, arg1, arg2) if (level <= verbosity) { fprintf(LOG, txt, arg0, arg1, arg2); fflush(LOG); } +# define PDEBUG4_VERBOSE(level, verbosity, txt, arg0, arg1, arg2, arg3) if (level <= verbosity) { fprintf(LOG, txt, arg0, arg1, arg2, arg3); fflush(LOG); } +# else +# define PDEBUG_VERBOSE(level, verbosity, fmt, args...) +# define PDEBUG0_VERBOSE(level, verbosity, txt) +# define PDEBUG1_VERBOSE(level, verbosity, txt, arg0) +# define PDEBUG2_VERBOSE(level, verbosity, txt, arg0, arg1) +# define PDEBUG3_VERBOSE(level, verbosity, txt, arg0, arg1, arg2) +# define PDEBUG4_VERBOSE(level, verbosity, txt, arg0, arg1, arg2, arg3) +# endif // DEBUG +#else // _WIN32 +# ifdef _DEBUG +# define PDEBUG +# define PDEBUG_VERBOSE +# define PDEBUG0_VERBOSE(level, verbosity, txt) if (level <= verbosity) { fprintf(LOG, txt); fflush(LOG); } +# define PDEBUG1_VERBOSE(level, verbosity, txt, arg0) if (level <= verbosity) { fprintf(LOG, txt, arg0); fflush(LOG); } +# define PDEBUG2_VERBOSE(level, verbosity, txt, arg0, arg1) if (level <= verbosity) { fprintf(LOG, txt, arg0, arg1); fflush(LOG); } +# define PDEBUG3_VERBOSE(level, verbosity, txt, arg0, arg1, arg2) if (level <= verbosity) { fprintf(LOG, txt, arg0, arg1, arg2); fflush(LOG); } +# define PDEBUG4_VERBOSE(level, verbosity, txt, arg0, arg1, arg2, arg3) if (level <= verbosity) { fprintf(LOG, txt, arg0, arg1, arg2, arg3); fflush(LOG); } +# else +# define PDEBUG +# define PDEBUG_VERBOSE +# define PDEBUG0_VERBOSE(level, verbosity, txt) +# define PDEBUG1_VERBOSE(level, verbosity, txt, arg0) +# define PDEBUG2_VERBOSE(level, verbosity, txt, arg0, arg1) +# define PDEBUG3_VERBOSE(level, verbosity, txt, arg0, arg1, arg2) +# define PDEBUG4_VERBOSE(level, verbosity, txt, arg0, arg1, arg2, arg3) +# endif +#endif + +#endif // PC_DEBUG_H diff --git a/src/PhaseReference.cpp b/src/PhaseReference.cpp new file mode 100644 index 0000000..bebbec6 --- /dev/null +++ b/src/PhaseReference.cpp @@ -0,0 +1,168 @@ +/* + 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 "PhaseReference.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> +#include <complex> +#include <string.h> + +typedef std::complex<float> complexf; + + +const unsigned char PhaseReference::d_h[4][32] = { + { 0, 2, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0, 2, 2, 1, 1, + 0, 2, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0, 2, 2, 1, 1 }, + { 0, 3, 2, 3, 0, 1, 3, 0, 2, 1, 2, 3, 2, 3, 3, 0, + 0, 3, 2, 3, 0, 1, 3, 0, 2, 1, 2, 3, 2, 3, 3, 0 }, + { 0, 0, 0, 2, 0, 2, 1, 3, 2, 2, 0, 2, 2, 0, 1, 3, + 0, 0, 0, 2, 0, 2, 1, 3, 2, 2, 0, 2, 2, 0, 1, 3 }, + { 0, 1, 2, 1, 0, 3, 3, 2, 2, 3, 2, 1, 2, 1, 3, 2, + 0, 1, 2, 1, 0, 3, 3, 2, 2, 3, 2, 1, 2, 1, 3, 2 } +}; + + +PhaseReference::PhaseReference(size_t dabmode) : + ModCodec(ModFormat(0), ModFormat(0)), + d_dabmode(dabmode) +{ + PDEBUG("PhaseReference::PhaseReference(%zu) @ %p\n", dabmode, this); + + switch (d_dabmode) { + case 1: + d_carriers = 1536; + d_num = 2048; + break; + case 2: + d_carriers = 384; + d_num = 512; + break; + case 3: + d_carriers = 192; + d_num = 256; + break; + case 4: + d_dabmode = 0; + case 0: + d_carriers = 768; + d_num = 1024; + break; + default: + throw std::runtime_error( + "PhaseReference::PhaseReference DAB mode not valid!"); + } + d_dataIn = new complexf[d_num]; + fillData(); + + myOutputFormat.size(d_carriers * sizeof(complexf)); +} + + +PhaseReference::~PhaseReference() +{ + PDEBUG("PhaseReference::~PhaseReference() @ %p\n", this); + + delete[] d_dataIn; +} + + +complexf convert(unsigned char data) { + const complexf value[] = { + complexf(1, 0), + complexf(0, 1), + complexf(-1, 0), + complexf(0, -1), + }; + return value[data % 4]; +} + + +void PhaseReference::fillData() +{ + size_t index; + size_t offset; + size_t k; + + const int table[][48][2] = { + { // Mode 0/4 + // Positive part + { 0, 0 }, { 3, 1 }, { 2, 0 }, { 1, 2 }, { 0, 0 }, { 3, 1 }, + { 2, 2 }, { 1, 2 }, { 0, 2 }, { 3, 1 }, { 2, 3 }, { 1, 0 }, + // Negative part + { 0, 0 }, { 1, 1 }, { 2, 1 }, { 3, 2 }, { 0, 2 }, { 1, 2 }, + { 2, 0 }, { 3, 3 }, { 0, 3 }, { 1, 1 }, { 2, 3 }, { 3, 2 }, + }, + { // Mode 1 + // Positive part + { 0, 3 }, { 3, 1 }, { 2, 1 }, { 1, 1 }, { 0, 2 }, { 3, 2 }, + { 2, 1 }, { 1, 0 }, { 0, 2 }, { 3, 2 }, { 2, 3 }, { 1, 3 }, + { 0, 0 }, { 3, 2 }, { 2, 1 }, { 1, 3 }, { 0, 3 }, { 3, 3 }, + { 2, 3 }, { 1, 0 }, { 0, 3 }, { 3, 0 }, { 2, 1 }, { 1, 1 }, + // Negative part + { 0, 1 }, { 1, 2 }, { 2, 0 }, { 3, 1 }, { 0, 3 }, { 1, 2 }, + { 2, 2 }, { 3, 3 }, { 0, 2 }, { 1, 1 }, { 2, 2 }, { 3, 3 }, + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 3 }, { 0, 2 }, { 1, 2 }, + { 2, 2 }, { 3, 1 }, { 0, 1 }, { 1, 3 }, { 2, 1 }, { 3, 2 }, + }, + { // Mode 2 + // Positive part + { 2, 0 }, { 1, 2 }, { 0, 2 }, { 3, 1 }, { 2, 0 }, { 1, 3 }, + // Negative part + { 0, 2 }, { 1, 3 }, { 2, 2 }, { 3, 2 }, { 0, 1 }, { 1, 2 }, + }, + { // Mode 3 + // Positive part + { 3, 2 }, { 2, 2 }, { 1, 2 }, + // Negative part + { 0, 2 }, { 1, 3 }, { 2, 0 }, + }, + }; + + if ((d_dabmode < 0) || (d_dabmode > 3)) { + throw std::runtime_error( + "PhaseReference::fillData invalid DAB mode!"); + } + + for (index = 0, offset = 0; index < d_carriers; ++offset) { + for (k = 0; k < 32; ++k) { + d_dataIn[index++] = convert(d_h[table[d_dabmode][offset][0]][k] + + table[d_dabmode][offset][1]); + } + } +} + + +int PhaseReference::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("PhaseReference::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + if ((dataIn != NULL) && (dataIn->getLength() != 0)) { + throw std::runtime_error( + "PhaseReference::process input size not valid!"); + } + + dataOut->setData(d_dataIn, d_carriers * sizeof(complexf)); + + return 1; +} diff --git a/src/PhaseReference.h b/src/PhaseReference.h new file mode 100644 index 0000000..5122f02 --- /dev/null +++ b/src/PhaseReference.h @@ -0,0 +1,58 @@ +/* + 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/>. + */ + +#ifndef PHASE_REFERENCE_H +#define PHASE_REFERENCE_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + +#include <sys/types.h> +#include <complex> + + +class PhaseReference : public ModCodec +{ +public: + PhaseReference(size_t dabmode); + virtual ~PhaseReference(); + PhaseReference(const PhaseReference&); + PhaseReference& operator=(const PhaseReference&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "PhaseReference"; } + +protected: + size_t d_dabmode; + size_t d_carriers; + size_t d_num; + const static unsigned char d_h[4][32]; + std::complex<float>* d_dataIn; + + void fillData(); +}; + +#endif // PHASE_REFERENCE_H diff --git a/src/PrbsGenerator.cpp b/src/PrbsGenerator.cpp new file mode 100644 index 0000000..8835dde --- /dev/null +++ b/src/PrbsGenerator.cpp @@ -0,0 +1,174 @@ +/* + 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 "PrbsGenerator.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdlib.h> +#include <stdexcept> + + +PrbsGenerator::PrbsGenerator(size_t framesize, uint32_t polynomial, + uint32_t accum, size_t init) : + ModCodec(ModFormat(0), ModFormat(framesize)), + d_framesize(framesize), + d_polynomial(polynomial), + d_accum(accum), + d_accum_init(accum), + d_init(init) +{ + PDEBUG("PrbsGenerator::PrbsGenerator(%zu, %u, %u, %zu) @ %p\n", + framesize, polynomial, accum, init, this); + + gen_prbs_table(); + gen_weight_table(); +} + + +PrbsGenerator::~PrbsGenerator() +{ + PDEBUG("PrbsGenerator::~PrbsGenerator() @ %p\n", this); + +} + + +/* + * Generate a table of matrix products to update a 32-bit PRBS generator. + */ +void PrbsGenerator::gen_prbs_table() +{ + int i; + for (i = 0; i < 4; ++i) { + int j; + for (j = 0; j < 256; ++j) { + uint32_t prbs_accum = ((uint32_t)j << (i * 8)); + int k; + for (k = 0; k < 8; ++k) { + prbs_accum = (prbs_accum << 1) + ^ parity_check(prbs_accum & d_polynomial); + } + d_prbs_table[i][j] = (prbs_accum & 0xff); + } + } +} + + +/* + * Generate the weight table. + */ +void PrbsGenerator::gen_weight_table() +{ + int i; + for (i = 0; i < 256; ++i) { + unsigned char mask=1U, ones_count = 0U; + int j; + for (j = 0; j < 8; ++j) { + ones_count += ((i & mask) != 0U); + mask = mask << 1; + } + d_weight[i] = ones_count; + } +} + + +/* + * Generate a parity check for a 32-bit word. + */ +uint32_t PrbsGenerator::parity_check(uint32_t prbs_accum) +{ + uint32_t mask=1UL, parity=0UL; + int i; + for (i = 0; i < 32; ++i) { + parity ^= ((prbs_accum & mask) != 0UL); + mask <<= 1; + } + return parity; +} + + +/* + * Update a 32-bit PRBS generator eight bits at a time. + */ +uint32_t PrbsGenerator::update_prbs() +{ + unsigned char acc_lsb = 0; + int i; + for (i = 0; i < 4; ++i) { +// PDEBUG("0x%x = 0x%x ^ 0x%x\n", +// acc_lsb ^ d_prbs_table [i][(d_accum >> (i * 8)) & 0xff], +// acc_lsb, d_prbs_table [i][(d_accum >> (i * 8)) & 0xff]); + acc_lsb ^= d_prbs_table[i][(d_accum >> (i * 8)) & 0xff]; + } + return (d_accum << 8) ^ ((uint32_t)acc_lsb); +} + + +int PrbsGenerator::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("PrbsGenerator::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + dataOut->setLength(d_framesize); + unsigned char* out = reinterpret_cast<unsigned char*>(dataOut->getData()); + + // Initialization + if (d_accum_init) { + d_accum = d_accum_init; + } else { + d_accum = 0; + while (d_accum < d_polynomial) { + d_accum <<= 1; + d_accum |= 1; + } + } + //PDEBUG("Polynomial: 0x%x\n", d_polynomial); + //PDEBUG("Init accum: 0x%x\n", d_accum); + size_t i = 0; + while (i < d_init) { + out[i++] = 0xff; + } + + for (; i < d_framesize; ++i) { + // Writting data + d_accum = update_prbs(); + if ((d_accum_init == 0xa9) && (i % 188 == 0)) { // DVB energy dispersal + out[i] = 0; + } else { + out[i] = (unsigned char)(d_accum & 0xff); + } + //PDEBUG("accum: 0x%x\n", d_accum); + } + + if ((dataIn != NULL) && dataIn->getLength()) { + PDEBUG(" mixing input\n"); + const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); + if (dataIn->getLength() != dataOut->getLength()) { + PDEBUG("%zu != %zu\n", dataIn->getLength(), dataOut->getLength()); + throw std::runtime_error("PrbsGenerator::process " + "input size is not equal to output size!\n"); + } + for (size_t i = 0; i < dataOut->getLength(); ++i) { + out[i] ^= in[i]; + } + } + + return dataOut->getLength(); +} diff --git a/src/PrbsGenerator.h b/src/PrbsGenerator.h new file mode 100644 index 0000000..e97f973 --- /dev/null +++ b/src/PrbsGenerator.h @@ -0,0 +1,71 @@ +/* + 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/>. + */ + +#ifndef PRBS_GENERATOR_H +#define PRBS_GENERATOR_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + +#include <sys/types.h> +#include <stdint.h> + + +class PrbsGenerator : public ModCodec +{ +private: + +protected: + uint32_t parity_check(uint32_t prbs_accum); + void gen_prbs_table(); + uint32_t update_prbs(); + void gen_weight_table(); + + size_t d_framesize; + // table of matrix products used to update a 32-bit PRBS generator + uint32_t d_prbs_table [4][256]; + // table of weights for 8-bit bytes + unsigned char d_weight[256]; + // PRBS polynomial generator + uint32_t d_polynomial; + // PRBS generator polarity mask + unsigned char d_polarity_mask; + // PRBS accumulator + uint32_t d_accum; + uint32_t d_accum_init; + // Initialization size + size_t d_init; + +public: + PrbsGenerator(size_t framesize, uint32_t polynomial, uint32_t accum = 0, + size_t init = 0); + virtual ~PrbsGenerator(); + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "PrbsGenerator"; } +}; + + +#endif // PRBS_GENERATOR_H diff --git a/src/PuncturingEncoder.cpp b/src/PuncturingEncoder.cpp new file mode 100644 index 0000000..e459ccd --- /dev/null +++ b/src/PuncturingEncoder.cpp @@ -0,0 +1,194 @@ +/* + 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 "PuncturingEncoder.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> +#include <stdint.h> +#include <assert.h> + + +PuncturingEncoder::PuncturingEncoder() : + ModCodec(ModFormat(0), ModFormat(0)), + d_in_block_size(0), + d_out_block_size(0), + d_tail_rule(NULL) +{ + PDEBUG("PuncturingEncoder() @ %p\n", this); + +} + + +PuncturingEncoder::~PuncturingEncoder() +{ + PDEBUG("PuncturingEncoder::~PuncturingEncoder() @ %p\n", this); + for (unsigned i = 0; i < d_rules.size(); ++i) { + PDEBUG(" Deleting rules @ %p\n", d_rules[i]); + delete d_rules[i]; + } + if (d_tail_rule != NULL) { + PDEBUG(" Deleting rules @ %p\n", d_tail_rule); + delete d_tail_rule; + } +} + +void PuncturingEncoder::adjust_item_size() +{ + PDEBUG("PuncturingEncoder::adjust_item_size()\n"); + int in_size = 0; + int out_size = 0; + int length = 0; + std::vector<PuncturingRule*>::iterator ptr; + + for (ptr = d_rules.begin(); ptr != d_rules.end(); ++ptr) { + for (length = (*ptr)->length(); length > 0; length -= 4) { + out_size += (*ptr)->bit_size(); + in_size += 4; +// PDEBUG("- in: %i, out: %i\n", in_size, out_size); + } +// PDEBUG("- in: %i, out: %i\n", in_size, (out_size + 7) / 8); + } + if (d_tail_rule != NULL) { +// PDEBUG("- computing tail rule\n"); + in_size += d_tail_rule->length(); + out_size += d_tail_rule->bit_size(); +// PDEBUG("- in: %i, out: %i\n", in_size, out_size); + } + + d_in_block_size = in_size; + d_out_block_size = (out_size + 7) / 8; + myOutputFormat.size(d_out_block_size); + + PDEBUG(" Puncturing encoder ratio (out/in): %zu / %zu\n", + d_out_block_size, d_in_block_size); +} + + +void PuncturingEncoder::append_rule(const PuncturingRule& rule) +{ + PDEBUG("append_rule(rule(%zu, 0x%x))\n", rule.length(), rule.pattern()); + d_rules.push_back(new PuncturingRule(rule)); + + adjust_item_size(); +} + + +void PuncturingEncoder::append_tail_rule(const PuncturingRule& rule) +{ + PDEBUG("append_tail_rule(rule(%zu, 0x%x))\n", rule.length(), rule.pattern()); + d_tail_rule = new PuncturingRule(rule); + + adjust_item_size(); +} + + +int PuncturingEncoder::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("PuncturingEncoder::process" + "(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + size_t in_count = 0; + size_t out_count = 0; + size_t bit_count = 0; + size_t length; + unsigned char data; + uint32_t mask; + uint32_t pattern; + std::vector<PuncturingRule*>::iterator ptr = d_rules.begin(); + PDEBUG(" in block size: %zu\n", d_in_block_size); + PDEBUG(" out block size: %zu\n", d_out_block_size); + + dataOut->setLength(d_out_block_size); + const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); + unsigned char* out = reinterpret_cast<unsigned char*>(dataOut->getData()); + + if (dataIn->getLength() != d_in_block_size) { + throw std::runtime_error("PuncturingEncoder::process wrong input size"); + } + + if (d_tail_rule) { + d_in_block_size -= d_tail_rule->length(); + } + while (in_count < d_in_block_size) { + for (length = (*ptr)->length(); length > 0; length -= 4) { + mask = 0x80000000; + pattern = (*ptr)->pattern(); + for (int i = 0; i < 4; ++i) { + data = in[in_count++]; + for (int j = 0; j < 8; ++j) { + if (pattern & mask) { + out[out_count] <<= 1; + out[out_count] |= data >> 7; + if (++bit_count == 8) { + bit_count = 0; + ++out_count; + } + } + data <<= 1; + mask >>= 1; + } + } + } + if (++ptr == d_rules.end()) { + ptr = d_rules.begin(); + } + } + if (d_tail_rule) { + d_in_block_size += d_tail_rule->length(); + mask = 0x800000; + pattern = d_tail_rule->pattern(); + length = d_tail_rule->length(); + for (size_t i = 0; i < length; ++i) { + data = in[in_count++]; + for (int j = 0; j < 8; ++j) { + if (pattern & mask) { + out[out_count] <<= 1; + out[out_count] |= data >> 7; + if (++bit_count == 8) { + bit_count = 0; + ++out_count; + } + } + data <<= 1; + mask >>= 1; + } + } + } + while (bit_count) { + out[out_count] <<= 1; + if (++bit_count == 8) { + bit_count = 0; + ++out_count; + } + } + for (size_t i = d_out_block_size; i < dataOut->getLength(); ++i) { + out[out_count++] = 0; + } + assert(out_count == dataOut->getLength()); + if (out_count != dataOut->getLength()) { + throw std::runtime_error("PuncturingEncoder::process output size " + "does not correspond!"); + } + + return d_out_block_size; +} diff --git a/src/PuncturingEncoder.h b/src/PuncturingEncoder.h new file mode 100644 index 0000000..c43c8ce --- /dev/null +++ b/src/PuncturingEncoder.h @@ -0,0 +1,63 @@ +/* + 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/>. + */ + +#ifndef PUNCTURING_ENCODER_H +#define PUNCTURING_ENCODER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "PuncturingRule.h" +#include "ModCodec.h" + +#include <vector> +#include <sys/types.h> + + +class PuncturingEncoder : public ModCodec +{ +private: + size_t d_in_block_size; + size_t d_out_block_size; + std::vector<PuncturingRule*> d_rules; + PuncturingRule* d_tail_rule; + +protected: + void adjust_item_size(); + +public: + PuncturingEncoder(); + virtual ~PuncturingEncoder(); + PuncturingEncoder(const PuncturingEncoder&); + PuncturingEncoder& operator=(const PuncturingEncoder&); + + void append_rule(const PuncturingRule& rule); + void append_tail_rule(const PuncturingRule& rule); + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "PuncturingEncoder"; } + size_t getInputSize() { return d_in_block_size; } + size_t getOutputSize() { return d_out_block_size; } +}; + + +#endif // PUNCTURING_ENCODER_H diff --git a/src/PuncturingRule.cpp b/src/PuncturingRule.cpp new file mode 100644 index 0000000..c959c0f --- /dev/null +++ b/src/PuncturingRule.cpp @@ -0,0 +1,60 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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/>. + */ + +#ifdef HAVE_CONFIG_H +//#include "config.h" +#endif + +#include "PcDebug.h" +#include "PuncturingRule.h" +#include <stdio.h> +#include <stdexcept> + + +PuncturingRule::PuncturingRule( + const size_t length, + const uint32_t pattern) : + d_length(length), + d_pattern(pattern) +{ + PDEBUG("PuncturingRule::PuncturingRule(%zu, 0x%x) @ %p\n", + length, pattern, this); +} + + +PuncturingRule::~PuncturingRule() +{ + PDEBUG("PuncturingRule::~PuncturingRule() @ %p\n", this); +} + + +size_t PuncturingRule::bit_size() const +{ +// fprintf(stderr, "Calling bit_size()"); + size_t bits = 0; + for (uint32_t mask = 0x80000000; mask != 0; mask >>= 1) { + if (d_pattern & mask) { + ++bits; + } + } +// fprintf(stderr, " -> return %i\n", bits); + return bits; +} diff --git a/src/PuncturingRule.h b/src/PuncturingRule.h new file mode 100644 index 0000000..7c19b0a --- /dev/null +++ b/src/PuncturingRule.h @@ -0,0 +1,56 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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/>. + */ + +#ifndef PUNCTURING_RULE_H +#define PUNCTURING_RULE_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include <sys/types.h> +#include <stdint.h> + + +class PuncturingRule +{ +private: + size_t d_length; + uint32_t d_pattern; + +protected: + +public: + PuncturingRule( + const size_t length, + const uint32_t pattern); + virtual ~PuncturingRule(); +// PuncturingRule(const PuncturingRule& rule); + PuncturingRule& operator=(const PuncturingRule&); + + size_t length() const { return d_length; } + size_t bit_size() const; + const uint32_t pattern() const { return d_pattern; } +}; + + +#endif // PUNCTURING_RULE_H diff --git a/src/QpskSymbolMapper.cpp b/src/QpskSymbolMapper.cpp new file mode 100644 index 0000000..ec7b9e4 --- /dev/null +++ b/src/QpskSymbolMapper.cpp @@ -0,0 +1,168 @@ +/* + 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 "QpskSymbolMapper.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <string.h> +#include <stdexcept> +#include <complex> +#include <math.h> +#ifdef __SSE__ +# include <xmmintrin.h> +#endif // __SSE__ + +typedef std::complex<float> complexf; + + +QpskSymbolMapper::QpskSymbolMapper(size_t carriers) : + ModCodec(ModFormat(carriers / 4), ModFormat(carriers * 8)), + d_carriers(carriers) +{ + PDEBUG("QpskSymbolMapper::QpskSymbolMapper(%zu) @ %p\n", carriers, this); + +} + + +QpskSymbolMapper::~QpskSymbolMapper() +{ + PDEBUG("QpskSymbolMapper::~QpskSymbolMapper() @ %p\n", this); + +} + + +int QpskSymbolMapper::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("QpskSymbolMapper::process" + "(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + dataOut->setLength(dataIn->getLength() * 4 * 2 * sizeof(float)); // 4 output complex symbols per input byte +#ifdef __SSE__ + const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); + __m128* out = reinterpret_cast<__m128*>(dataOut->getData()); + + if (dataIn->getLength() % (d_carriers / 4) != 0) { + fprintf(stderr, "%zu (input size) %% (%zu (carriers) / 4) != 0\n", + dataIn->getLength(), d_carriers); + throw std::runtime_error( + "QpskSymbolMapper::process input size not valid!"); + } + + const static __m128 symbols[16] = { + _mm_setr_ps( M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps( M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2), + _mm_setr_ps( M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps( M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2), + _mm_setr_ps( M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps( M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2), + _mm_setr_ps( M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps( M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2,- M_SQRT1_2, M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2,- M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2,- M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2), + _mm_setr_ps(-M_SQRT1_2,- M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2) + }; + size_t inOffset = 0; + size_t outOffset = 0; + unsigned char tmp = 0; + for (size_t i = 0; i < dataIn->getLength(); i += d_carriers / 4) { + for (size_t j = 0; j < d_carriers / 8; ++j) { + tmp = (in[inOffset] & 0xc0) >> 4; + tmp |= (in[inOffset + (d_carriers / 8)] & 0xc0) >> 6; + out[outOffset] = symbols[tmp]; + tmp = (in[inOffset] & 0x30) >> 2; + tmp |= (in[inOffset + (d_carriers / 8)] & 0x30) >> 4; + out[outOffset + 1] = symbols[tmp]; + tmp = (in[inOffset] & 0x0c); + tmp |= (in[inOffset + (d_carriers / 8)] & 0x0c) >> 2; + out[outOffset + 2] = symbols[tmp]; + tmp = (in[inOffset] & 0x03) << 2; + tmp |= (in[inOffset + (d_carriers / 8)] & 0x03); + out[outOffset + 3] = symbols[tmp]; + ++inOffset; + outOffset += 4; + } + inOffset += d_carriers / 8; + } +#else // !__SSE__ +#error "Code section not verified" + const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); + float* out = reinterpret_cast<float*>(dataOut->getData()); + if (dataIn->getLength() % (d_carriers / 4) != 0) { + throw std::runtime_error( + "QpskSymbolMapper::process input size not valid!"); + } + if (dataOut->getLength() / sizeof(float) != dataIn->getLength() * 4 * 2) { // 4 output complex symbols per input byte + throw std::runtime_error( + "QpskSymbolMapper::process output size not valid!"); + } + + const static float symbols[16][4] = { + { M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2}, + { M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2}, + { M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2, M_SQRT1_2}, + { M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2}, + { M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2}, + { M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2}, + { M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2}, + { M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2}, + {-M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2}, + {-M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2}, + {-M_SQRT1_2,- M_SQRT1_2, M_SQRT1_2, M_SQRT1_2}, + {-M_SQRT1_2,- M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2}, + {-M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2}, + {-M_SQRT1_2, M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2}, + {-M_SQRT1_2,- M_SQRT1_2, -M_SQRT1_2, M_SQRT1_2}, + {-M_SQRT1_2,- M_SQRT1_2, -M_SQRT1_2, -M_SQRT1_2} + }; + size_t inOffset = 0; + size_t outOffset = 0; + unsigned char tmp; + fprintf(stderr, "TODO: Validate QpskSymbolMapper::process without SSE\n"); + for (size_t i = 0; i < dataIn->getLength(); i += d_carriers / 4) { + for (size_t j = 0; j < d_carriers / 8; ++j) { + tmp = (in[inOffset] & 0xc0) >> 4; + tmp |= (in[inOffset + (d_carriers / 8)] & 0xc0) >> 6; + memcpy(&out[outOffset], symbols[tmp], sizeof(float) * 4); + tmp = (in[inOffset] & 0x30) >> 2; + tmp |= (in[inOffset + (d_carriers / 8)] & 0x30) >> 4; + memcpy(&out[outOffset + 1], symbols[tmp], sizeof(float) * 4); + tmp = (in[inOffset] & 0x0c); + tmp |= (in[inOffset + (d_carriers / 8)] & 0x0c) >> 2; + memcpy(&out[outOffset + 2], symbols[tmp], sizeof(float) * 4); + tmp = (in[inOffset] & 0x03) << 2; + tmp |= (in[inOffset + (d_carriers / 8)] & 0x03); + memcpy(&out[outOffset + 3], symbols[tmp], sizeof(float) * 4); + ++inOffset; + outOffset += 4; + } + inOffset += d_carriers / 8; + } +#endif // __SSE__ + + return 1; +} diff --git a/src/QpskSymbolMapper.h b/src/QpskSymbolMapper.h new file mode 100644 index 0000000..4c59151 --- /dev/null +++ b/src/QpskSymbolMapper.h @@ -0,0 +1,51 @@ +/* + 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/>. + */ + +#ifndef QPSK_SYMBOL_MAPPER_H +#define QPSK_SYMBOL_MAPPER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + +#include <sys/types.h> + + +class QpskSymbolMapper : public ModCodec +{ +public: + QpskSymbolMapper(size_t carriers); + virtual ~QpskSymbolMapper(); + QpskSymbolMapper(QpskSymbolMapper&); + QpskSymbolMapper& operator=(QpskSymbolMapper&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "QpskSymbolMapper"; } + +protected: + size_t d_carriers; +}; + +#endif // QPSK_SYMBOL_MAPPER_H diff --git a/src/Resampler.cpp b/src/Resampler.cpp new file mode 100644 index 0000000..67bdf4f --- /dev/null +++ b/src/Resampler.cpp @@ -0,0 +1,318 @@ +/* + 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 "Resampler.h" +#include "PcDebug.h" + + +#ifdef __ppc__ +# define memalign(a, b) malloc(b) +#else // !__ppc__ +# include <mm_malloc.h> +#endif +#include <sys/types.h> +#include <string.h> +#include <stdexcept> +#include <assert.h> + + +unsigned gcd(unsigned a, unsigned b) +{ + if (b == 0) { + return a; + } + + return gcd(b, a % b); +} + + +Resampler::Resampler(size_t inputRate, size_t outputRate, size_t resolution) : + ModCodec(ModFormat(inputRate * sizeof(complexf)), + ModFormat(outputRate * sizeof(complexf))), + myFftPlan1(NULL), + myFftPlan2(NULL), + myFftIn(NULL), + myFftOut(NULL), + myBufferIn(NULL), + myBufferOut(NULL), + myFront(NULL), + myBack(NULL), + myWindow(NULL) +{ + PDEBUG("Resampler::Resampler(%zu, %zu) @ %p\n", inputRate, outputRate, this); + + fprintf(stderr, "This software uses KISS FFT.\n\n"); + fprintf(stderr, "Copyright (c) 2003-2004 Mark Borgerding\n" + "\n" + "All rights reserved.\n" + "\n" + "Redistribution and use in source and binary forms, with or " + "without modification, are permitted provided that the following " + "conditions are met:\n" + "\n" + " * Redistributions of source code must retain the above " + "copyright notice, this list of conditions and the following " + "disclaimer.\n" + " * Redistributions in binary form must reproduce the above " + "copyright notice, this list of conditions and the following " + "disclaimer in the documentation and/or other materials provided " + "with the distribution.\n" + " * Neither the author nor the names of any contributors may be " + "used to endorse or promote products derived from this software " + "without specific prior written permission.\n" + "\n" + "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND " + "CONTRIBUTORS \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, " + "INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF " + "MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE " + "DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS " + "BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, " + "EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED " + "TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, " + "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON " + "ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, " + "OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY " + "OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE " + "POSSIBILITY OF SUCH DAMAGE.\n"); + + size_t divisor = gcd(inputRate, outputRate); + L = outputRate / divisor; + M = inputRate / divisor; + PDEBUG(" gcd: %zu, L: %zu, M: %zu\n", divisor, L, M); + { + unsigned factor = resolution * 2 / M; + if (factor & 1) { + ++factor; + } + myFftSizeIn = factor * M; + myFftSizeOut = factor * L; + } + PDEBUG(" FFT size in: %zu, FFT size out: %zu\n", myFftSizeIn, myFftSizeOut); + + if (myFftSizeIn > myFftSizeOut) { + myFactor = 1.0f / myFftSizeIn; + } else { + myFactor = 1.0f / myFftSizeOut; + } + + myWindow = (float*)memalign(16, myFftSizeIn * sizeof(float)); + for (size_t i = 0; i < myFftSizeIn; ++i) { + myWindow[i] = 0.5f * (1.0f - cosf(2.0f * M_PI * i / (myFftSizeIn - 1))); + PDEBUG("Window[%zu] = %f\n", i, myWindow[i]); + } + + myFftIn = (FFT_TYPE*)memalign(16, myFftSizeIn * sizeof(FFT_TYPE)); + myFftOut = (FFT_TYPE*)memalign(16, myFftSizeOut * sizeof(FFT_TYPE)); + myBufferIn = (complexf*)memalign(16, myFftSizeIn / 2 * sizeof(FFT_TYPE)); + myBufferOut = (complexf*)memalign(16, myFftSizeOut / 2 * sizeof(FFT_TYPE)); + myFront = (FFT_TYPE*)memalign(16, myFftSizeIn * sizeof(FFT_TYPE)); + myBack = (FFT_TYPE*)memalign(16, myFftSizeOut * sizeof(FFT_TYPE)); + myFftPlan1 = kiss_fft_alloc(myFftSizeIn, 0, NULL, NULL); + myFftPlan2 = kiss_fft_alloc(myFftSizeOut, 1, NULL, NULL); + + memset(myBufferIn, 0, myFftSizeIn / 2 * sizeof(FFT_TYPE)); + memset(myBufferOut, 0, myFftSizeOut / 2 * sizeof(FFT_TYPE)); +} + + +Resampler::~Resampler() +{ + PDEBUG("Resampler::~Resampler() @ %p\n", this); + + if (myFftPlan1 != NULL) { + free(myFftPlan1); + } + if (myFftPlan2 != NULL) { + free(myFftPlan2); + } + if (myFftIn != NULL) { + free(myFftIn); + } + if (myFftOut != NULL) { + free(myFftOut); + } + if (myBufferIn != NULL) { + free(myBufferIn); + } + if (myBufferOut != NULL) { + free(myBufferOut); + } + if (myFront != NULL) { + free(myFront); + } + if (myBack != NULL) { + free(myBack); + } + if (myWindow != NULL) { + free(myWindow); + } + kiss_fft_cleanup(); +} + + +int Resampler::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("Resampler::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + dataOut->setLength(dataIn->getLength() * L / M); + + FFT_TYPE* in = reinterpret_cast<FFT_TYPE*>(dataIn->getData()); + FFT_TYPE* out = reinterpret_cast<FFT_TYPE*>(dataOut->getData()); + size_t sizeIn = dataIn->getLength() / sizeof(complexf); + +#ifdef USE_SIMD + size_t sizeOut = dataOut->getLength() / sizeof(complexf); + + typedef struct { + float r[4]; + float i[4]; + } fft_data; + assert(sizeof(FFT_TYPE) == sizeof(fft_data)); + fft_data *fftDataIn = (fft_data*)myFftIn; + fft_data *fftDataOut = (fft_data*)myFftOut; + complexf *cplxIn = (complexf*)in; + complexf *cplxOut = (complexf*)out; + for (size_t i = 0, j = 0; i < sizeIn; ) { + for (int k = 0; k < 4; ++k) { + if (i < sizeIn) { + for (size_t l = 0; l < myFftSizeIn / 2; ++l) { + fftDataIn[l].r[k] = myBufferIn[l].real(); + fftDataIn[l].i[k] = myBufferIn[l].imag(); + fftDataIn[myFftSizeIn / 2 + l].r[k] = cplxIn[i + l].real(); + fftDataIn[myFftSizeIn / 2 + l].i[k] = cplxIn[i + l].imag(); + } + memcpy(myBufferIn, cplxIn + i, myFftSizeIn / 2 * sizeof(complexf)); + i += myFftSizeIn / 2; + } else { + for (size_t l = 0; l < myFftSizeIn; ++l) { + fftDataIn[l].r[k] = 0.0f; + fftDataIn[l].i[k] = 0.0f; + } + } + } + for (size_t k = 0; k < myFftSizeIn; ++ k) { + FFT_REAL(myFftIn[k]) = _mm_mul_ps(FFT_REAL(myFftIn[k]), _mm_set_ps1(myWindow[k])); + FFT_IMAG(myFftIn[k]) = _mm_mul_ps(FFT_IMAG(myFftIn[k]), _mm_set_ps1(myWindow[k])); + } + + kiss_fft(myFftPlan1, myFftIn, myFront); + + if (myFftSizeOut > myFftSizeIn) { + memset(myBack, 0, myFftSizeOut * sizeof(FFT_TYPE)); + memcpy(myBack, myFront, myFftSizeIn / 2 * sizeof(FFT_TYPE)); + memcpy(&myBack[myFftSizeOut - (myFftSizeIn / 2)], + &myFront[myFftSizeIn / 2], + myFftSizeIn / 2 * sizeof(FFT_TYPE)); + // Copy input Fs + FFT_REAL(myBack[myFftSizeIn / 2]) = + FFT_REAL(myFront[myFftSizeIn / 2]); + FFT_IMAG(myBack[myFftSizeIn / 2]) = + FFT_IMAG(myFront[myFftSizeIn / 2]); + } else { + memcpy(myBack, myFront, myFftSizeOut / 2 * sizeof(FFT_TYPE)); + memcpy(&myBack[myFftSizeOut / 2], + &myFront[myFftSizeIn - (myFftSizeOut / 2)], + myFftSizeOut / 2 * sizeof(FFT_TYPE)); + // Average output Fs from input + FFT_REAL(myBack[myFftSizeOut / 2]) = + _mm_add_ps(FFT_REAL(myBack[myFftSizeOut / 2]), + FFT_REAL(myFront[myFftSizeOut / 2])); + FFT_IMAG(myBack[myFftSizeOut / 2]) = + _mm_add_ps(FFT_IMAG(myBack[myFftSizeOut / 2]), + FFT_IMAG(myFront[myFftSizeOut / 2])); + FFT_REAL(myBack[myFftSizeOut / 2]) = + _mm_mul_ps(FFT_REAL(myBack[myFftSizeOut / 2]), _mm_set_ps1(0.5f)); + FFT_IMAG(myBack[myFftSizeOut / 2]) = + _mm_mul_ps(FFT_IMAG(myBack[myFftSizeOut / 2]), _mm_set_ps1(0.5f)); + } + for (size_t k = 0; k < myFftSizeOut; ++k) { + FFT_REAL(myBack[k]) = _mm_mul_ps(FFT_REAL(myBack[k]), _mm_set_ps1(myFactor)); + FFT_IMAG(myBack[k]) = _mm_mul_ps(FFT_IMAG(myBack[k]), _mm_set_ps1(myFactor)); + } + + kiss_fft(myFftPlan2, myBack, myFftOut); + + for (size_t k = 0; k < 4; ++k) { + if (j < sizeOut) { + for (size_t l = 0; l < myFftSizeOut / 2; ++l) { + cplxOut[j + l].real() = myBufferOut[l].real() + fftDataOut[l].r[k]; + cplxOut[j + l].imag() = myBufferOut[l].imag() + fftDataOut[l].i[k]; + myBufferOut[l].real() = fftDataOut[myFftSizeOut / 2 + l].r[k]; + myBufferOut[l].imag() = fftDataOut[myFftSizeOut / 2 + l].i[k]; + } + } + j += myFftSizeOut / 2; + } + } +#else + for (size_t i = 0, j = 0; i < sizeIn; i += myFftSizeIn / 2, j += myFftSizeOut / 2) { + memcpy(myFftIn, myBufferIn, myFftSizeIn / 2 * sizeof(FFT_TYPE)); + memcpy(myFftIn + (myFftSizeIn / 2), in + i, myFftSizeIn / 2 * sizeof(FFT_TYPE)); + memcpy(myBufferIn, in + i, myFftSizeIn / 2 * sizeof(FFT_TYPE)); + for (size_t k = 0; k < myFftSizeIn; ++k) { + FFT_REAL(myFftIn[k]) *= myWindow[k]; + FFT_IMAG(myFftIn[k]) *= myWindow[k]; + } + + kiss_fft(myFftPlan1, myFftIn, myFront); + + if (myFftSizeOut > myFftSizeIn) { + memset(myBack, 0, myFftSizeOut * sizeof(FFT_TYPE)); + memcpy(myBack, myFront, myFftSizeIn / 2 * sizeof(FFT_TYPE)); + memcpy(&myBack[myFftSizeOut - (myFftSizeIn / 2)], + &myFront[myFftSizeIn / 2], + myFftSizeIn / 2 * sizeof(FFT_TYPE)); + // Copy input Fs + FFT_REAL(myBack[myFftSizeIn / 2]) = + FFT_REAL(myFront[myFftSizeIn / 2]); + FFT_IMAG(myBack[myFftSizeIn / 2]) = + FFT_IMAG(myFront[myFftSizeIn / 2]); + } else { + memcpy(myBack, myFront, myFftSizeOut / 2 * sizeof(FFT_TYPE)); + memcpy(&myBack[myFftSizeOut / 2], + &myFront[myFftSizeIn - (myFftSizeOut / 2)], + myFftSizeOut / 2 * sizeof(FFT_TYPE)); + // Average output Fs from input + FFT_REAL(myBack[myFftSizeOut / 2]) += + FFT_REAL(myFront[myFftSizeOut / 2]); + FFT_IMAG(myBack[myFftSizeOut / 2]) += + FFT_IMAG(myFront[myFftSizeOut / 2]); + FFT_REAL(myBack[myFftSizeOut / 2]) *= 0.5f; + FFT_IMAG(myBack[myFftSizeOut / 2]) *= 0.5f; + } + for (size_t k = 0; k < myFftSizeOut; ++k) { + FFT_REAL(myBack[k]) *= myFactor; + FFT_IMAG(myBack[k]) *= myFactor; + } + + kiss_fft(myFftPlan2, myBack, myFftOut); + + for (size_t k = 0; k < myFftSizeOut / 2; ++k) { + FFT_REAL(out[j + k]) = myBufferOut[k].real() + FFT_REAL(myFftOut[k]); + FFT_IMAG(out[j + k]) = myBufferOut[k].imag() + FFT_IMAG(myFftOut[k]); + } + memcpy(myBufferOut, myFftOut + (myFftSizeOut / 2), (myFftSizeOut / 2) * sizeof(FFT_TYPE)); + } +#endif + + return 1; +} diff --git a/src/Resampler.h b/src/Resampler.h new file mode 100644 index 0000000..b4795ca --- /dev/null +++ b/src/Resampler.h @@ -0,0 +1,72 @@ +/* + 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/>. + */ + +#ifndef RESAMPLER_H +#define RESAMPLER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "porting.h" +#include "ModCodec.h" +#include "kiss_fftsimd.h" + + +#include <sys/types.h> +#include <kiss_fft.h> +#include <tools/kiss_fftr.h> +#include <complex> +typedef std::complex<float> complexf; + + +class Resampler : public ModCodec +{ +public: + Resampler(size_t inputRate, size_t outputRate, size_t resolution = 512); + virtual ~Resampler(); + Resampler(const Resampler&); + Resampler& operator=(const Resampler&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "Resampler"; } + +protected: + FFT_PLAN myFftPlan1; + FFT_PLAN myFftPlan2; + size_t L; + size_t M; + size_t K; + size_t myFftSizeIn; + size_t myFftSizeOut; + FFT_TYPE* myFftIn; + FFT_TYPE* myFftOut; + complexf* myBufferIn; + complexf* myBufferOut; + FFT_TYPE* myFront; + FFT_TYPE* myBack; + float *myWindow; + float myFactor; +}; + + +#endif // RESAMPLER_H diff --git a/src/SignalMultiplexer.cpp b/src/SignalMultiplexer.cpp new file mode 100644 index 0000000..40be71e --- /dev/null +++ b/src/SignalMultiplexer.cpp @@ -0,0 +1,69 @@ +/* + 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 "SignalMultiplexer.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> +#include <assert.h> +#include <string.h> + + +SignalMultiplexer::SignalMultiplexer(size_t framesize) : + ModMux(ModFormat(framesize), ModFormat(framesize)), + d_frameSize(framesize) +{ + PDEBUG("SignalMultiplexer::SignalMultiplexer(%zu) @ %p\n", framesize, this); + +} + + +SignalMultiplexer::~SignalMultiplexer() +{ + PDEBUG("SignalMultiplexer::~SignalMultiplexer() @ %p\n", this); + +} + + +// dataIn[0] -> null symbol +// dataIn[1] -> MSC symbols +int SignalMultiplexer::process(std::vector<Buffer*> dataIn, Buffer* dataOut) +{ +#ifdef DEBUG + fprintf(stderr, "SignalMultiplexer::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 + + assert(dataIn.size() == 2); + + *dataOut = *dataIn[0]; + *dataOut += *dataIn[1]; + + return dataOut->getLength(); +} diff --git a/src/SignalMultiplexer.h b/src/SignalMultiplexer.h new file mode 100644 index 0000000..e5c2d77 --- /dev/null +++ b/src/SignalMultiplexer.h @@ -0,0 +1,53 @@ +/* + 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/>. + */ + +#ifndef SIGNAL_MULTIPLEXER_H +#define SIGNAL_MULTIPLEXER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModMux.h" + + +#include <sys/types.h> + + +class SignalMultiplexer : public ModMux +{ +public: + SignalMultiplexer(size_t frameSize); + virtual ~SignalMultiplexer(); + SignalMultiplexer(const SignalMultiplexer&); + SignalMultiplexer& operator=(const SignalMultiplexer&); + + + int process(std::vector<Buffer*> dataIn, Buffer* dataOut); + const char* name() { return "SignalMultiplexer"; } + +protected: + size_t d_frameSize; +}; + + +#endif // SIGNAL_MULTIPLEXER_H diff --git a/src/SubchannelSource.cpp b/src/SubchannelSource.cpp new file mode 100644 index 0000000..d65ee0c --- /dev/null +++ b/src/SubchannelSource.cpp @@ -0,0 +1,1086 @@ +/* + 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 "SubchannelSource.h" +#include "PcDebug.h" + +#include <stdexcept> +#include <sys/types.h> +#include <stdlib.h> +#include <string.h> + + +#define P1 0xc8888888 +#define P2 0xc888c888 +#define P3 0xc8c8c888 +#define P4 0xc8c8c8c8 +#define P5 0xccc8c8c8 +#define P6 0xccc8ccc8 +#define P7 0xccccccc8 +#define P8 0xcccccccc +#define P9 0xeccccccc +#define P10 0xeccceccc +#define P11 0xecececcc +#define P12 0xecececec +#define P13 0xeeececec +#define P14 0xeeeceeec +#define P15 0xeeeeeeec +#define P16 0xeeeeeeee +#define P17 0xfeeeeeee +#define P18 0xfeeefeee +#define P19 0xfefefeee +#define P20 0xfefefefe +#define P21 0xfffefefe +#define P22 0xfffefffe +#define P23 0xfffffffe +#define P24 0xffffffff + + +const std::vector<PuncturingRule*>& SubchannelSource::get_rules() +{ + return d_puncturing_rules; +} + + +SubchannelSource::SubchannelSource(eti_STC &stc) : + ModInput(ModFormat(0), ModFormat(stc.getSTL() * 8)), + d_start_address(stc.getStartAddress()), + d_framesize(stc.getSTL() * 8), + d_protection(stc.TPL) +{ + PDEBUG("SubchannelSource::SubchannelSource(...) @ %p\n", this); +// PDEBUG(" Start address: %i\n", d_start_address); +// PDEBUG(" Framesize: %i\n", d_framesize); +// PDEBUG(" Protection: %i\n", d_protection); + if (protectionForm()) { + if (protectionOption() == 0) { + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule( + ((6 * bitrate() / 8) - 3) * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule( + 3 * 16, P23)); + break; + case 2: + if (bitrate() == 8) { + d_puncturing_rules.push_back(new PuncturingRule( + 5 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule( + 1 * 16, P12)); + } else { + d_puncturing_rules.push_back(new PuncturingRule( + ((2 * bitrate() / 8) - 3) * 16, P14)); + d_puncturing_rules.push_back(new PuncturingRule( + ((4 * bitrate() / 8) + 3) * 16, P13)); + } + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule( + ((6 * bitrate() / 8) - 3) * 16, P8)); + d_puncturing_rules.push_back(new PuncturingRule( + 3 * 16, P7)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule( + ((4 * bitrate() / 8) - 3) * 16, P3)); + d_puncturing_rules.push_back(new PuncturingRule( + ((2 * bitrate() / 8) + 3) * 16, P2)); + break; + default: + fprintf(stderr, + "Protection form(%zu), option(%zu) and level(%zu)\n", + protectionForm(), protectionOption(), protectionLevel()); + fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", stc.TPL, stc.TPL); + throw std::runtime_error("SubchannelSource::SubchannelSource " + "unknown protection level!"); + } + } else if (protectionOption() == 1) { + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule( + ((24 * bitrate() / 32) - 3) * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule( + 3 * 16, P9)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule( + ((24 * bitrate() / 32) - 3) * 16, P6)); + d_puncturing_rules.push_back(new PuncturingRule( + 3 * 16, P5)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule( + ((24 * bitrate() / 32) - 3) * 16, P4)); + d_puncturing_rules.push_back(new PuncturingRule( + 3 * 16, P3)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule( + ((24 * bitrate() / 32) - 3) * 16, P2)); + d_puncturing_rules.push_back(new PuncturingRule( + 3 * 16, P1)); + break; + default: + fprintf(stderr, + "Protection form(%zu), option(%zu) and level(%zu)\n", + protectionForm(), protectionOption(), protectionLevel()); + fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", stc.TPL, stc.TPL); + throw std::runtime_error("SubchannelSource::SubchannelSource " + "unknown protection level!"); + } + } else { + fprintf(stderr, + "Protection form(%zu), option(%zu) and level(%zu)\n", + protectionForm(), protectionOption(), protectionLevel()); + fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", stc.TPL, stc.TPL); + throw std::runtime_error("SubchannelSource::SubchannelSource " + "unknown protection option!"); + } + } else { + bool error = false; + switch (bitrate()) { + case 32: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(5 * 16, P17)); + d_puncturing_rules.push_back(new PuncturingRule(13 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P17)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P22)); + d_puncturing_rules.push_back(new PuncturingRule(4 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(14 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P13)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P15)); + d_puncturing_rules.push_back(new PuncturingRule(4 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(14 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P8 )); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P11)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(18 * 16, P5 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(4 * 16, P3 )); + d_puncturing_rules.push_back(new PuncturingRule(17 * 16, P2 )); + break; + default: + error = true; + } + break; + case 48: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(5 * 16, P18)); + d_puncturing_rules.push_back(new PuncturingRule(25 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P18)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(4 * 16, P14)); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P15)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P15)); + d_puncturing_rules.push_back(new PuncturingRule(4 * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9 )); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(4 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P6 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(4 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P3 )); + break; + default: + error = true; + } + break; + case 56: + switch (protectionLevel()) { + case 2: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P23)); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(23 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P13)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(12 * 16, P7 )); + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9 )); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(23 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P5 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(23 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P3 )); + break; + default: + error = true; + } + break; + case 64: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P18)); + d_puncturing_rules.push_back(new PuncturingRule(28 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P18)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P23)); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(29 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P13)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(12 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(27 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9 )); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P11)); + d_puncturing_rules.push_back(new PuncturingRule(9 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(33 * 16, P5 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(9 * 16, P3 )); + d_puncturing_rules.push_back(new PuncturingRule(31 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(2 * 16, P3 )); + break; + default: + error = true; + } + break; + case 80: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P17)); + d_puncturing_rules.push_back(new PuncturingRule(41 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P18)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P23)); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(41 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P13)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(40 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P7 )); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P11)); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(41 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P6 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P3 )); + d_puncturing_rules.push_back(new PuncturingRule(41 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P3 )); + break; + default: + error = true; + } + break; + case 96: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(13 * 16, P18)); + d_puncturing_rules.push_back(new PuncturingRule(50 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P19)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P22)); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(53 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P12)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(6 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(12 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(51 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P10)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(7 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(10 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(52 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P6 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(7 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(9 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(53 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P4 )); + break; + default: + error = true; + } + break; + case 112: + switch (protectionLevel()) { + case 2: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P23)); + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(49 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P14)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(23 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(47 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9 )); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(49 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P8 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(14 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(17 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(50 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P5 )); + break; + default: + error = true; + } + break; + case 128: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(20 * 16, P17)); + d_puncturing_rules.push_back(new PuncturingRule(62 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P19)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P22)); + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(61 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P14)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(22 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(60 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P10)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P11)); + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(61 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P7 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(12 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(19 * 16, P3 )); + d_puncturing_rules.push_back(new PuncturingRule(62 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P4 )); + break; + default: + error = true; + } + break; + case 160: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(22 * 16, P18)); + d_puncturing_rules.push_back(new PuncturingRule(84 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P19)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P22)); + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, P11)); + d_puncturing_rules.push_back(new PuncturingRule(85 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P13)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(24 * 16, P8 )); + d_puncturing_rules.push_back(new PuncturingRule(82 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P11)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P11)); + d_puncturing_rules.push_back(new PuncturingRule(23 * 16, P6 )); + d_puncturing_rules.push_back(new PuncturingRule(83 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9 )); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P5 )); + d_puncturing_rules.push_back(new PuncturingRule(19 * 16, P4 )); + d_puncturing_rules.push_back(new PuncturingRule(87 * 16, P2 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P4 )); + break; + default: + error = true; + } + break; + case 192: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(21 * 16, P20)); + d_puncturing_rules.push_back(new PuncturingRule(109 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P24)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P22)); + d_puncturing_rules.push_back(new PuncturingRule(20 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(110 * 16, P9)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P13)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(24 * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule(106 * 16, P6)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P11)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule(22 * 16, P6)); + d_puncturing_rules.push_back(new PuncturingRule(108 * 16, P4)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9)); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P6)); + d_puncturing_rules.push_back(new PuncturingRule(20 * 16, P4)); + d_puncturing_rules.push_back(new PuncturingRule(110 * 16, P2)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P5)); + break; + default: + error = true; + } + break; + case 224: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(24 * 16, P20)); + d_puncturing_rules.push_back(new PuncturingRule(130 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P20)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(22 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(132 * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P15)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(20 * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule(134 * 16, P7)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P9)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(12 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P8)); + d_puncturing_rules.push_back(new PuncturingRule(127 * 16, P4)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P11)); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(12 * 16, P8)); + d_puncturing_rules.push_back(new PuncturingRule(22 * 16, P6)); + d_puncturing_rules.push_back(new PuncturingRule(131 * 16, P2)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P6)); + break; + default: + error = true; + } + break; + case 256: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P19)); + d_puncturing_rules.push_back(new PuncturingRule(152 * 16, P14)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P18)); + break; + case 2: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(22 * 16, P14)); + d_puncturing_rules.push_back(new PuncturingRule(156 * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P13)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(27 * 16, P10)); + d_puncturing_rules.push_back(new PuncturingRule(151 * 16, P7)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P10)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P12)); + d_puncturing_rules.push_back(new PuncturingRule(24 * 16, P9)); + d_puncturing_rules.push_back(new PuncturingRule(154 * 16, P5)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P10)); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P6)); + d_puncturing_rules.push_back(new PuncturingRule(24 * 16, P5)); + d_puncturing_rules.push_back(new PuncturingRule(154 * 16, P2)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P5)); + break; + default: + error = true; + } + break; + case 320: + switch (protectionLevel()) { + case 2: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P17)); + d_puncturing_rules.push_back(new PuncturingRule(200 * 16, P9 )); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P17)); + break; + case 4: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P13)); + d_puncturing_rules.push_back(new PuncturingRule(25 * 16, P9)); + d_puncturing_rules.push_back(new PuncturingRule(201 * 16, P5)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P10)); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P8)); + d_puncturing_rules.push_back(new PuncturingRule(26 * 16, P5)); + d_puncturing_rules.push_back(new PuncturingRule(200 * 16, P2)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P6)); + break; + default: + error = true; + } + break; + case 384: + switch (protectionLevel()) { + case 1: + d_puncturing_rules.push_back(new PuncturingRule(12 * 16, P24)); + d_puncturing_rules.push_back(new PuncturingRule(28 * 16, P20)); + d_puncturing_rules.push_back(new PuncturingRule(245 * 16, P14)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P23)); + break; + case 3: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P16)); + d_puncturing_rules.push_back(new PuncturingRule(24 * 16, P9)); + d_puncturing_rules.push_back(new PuncturingRule(250 * 16, P7)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P10)); + break; + case 5: + d_puncturing_rules.push_back(new PuncturingRule(11 * 16, P8)); + d_puncturing_rules.push_back(new PuncturingRule(27 * 16, P6)); + d_puncturing_rules.push_back(new PuncturingRule(247 * 16, P2)); + d_puncturing_rules.push_back(new PuncturingRule(3 * 16, P7)); + break; + default: + error = true; + } + break; + default: + error = true; + } + if (error) { + fprintf(stderr, " Protection: UEP-%zu @ %zukb/s\n", + protectionLevel(), bitrate()); + throw std::runtime_error("SubchannelSource::SubchannelSource " + "UEP puncturing rules does not exist!"); + } + } +} + + +SubchannelSource::~SubchannelSource() +{ + PDEBUG("SubchannelSource::~SubchannelSource() @ %p\n", this); + for (unsigned i = 0; i < d_puncturing_rules.size(); ++i) { +// PDEBUG(" Deleting rules @ %p\n", d_puncturing_rules[i]); + delete d_puncturing_rules[i]; + } +} + + +size_t SubchannelSource::startAddress() +{ + return d_start_address; +} + + +size_t SubchannelSource::framesize() +{ + return d_framesize; +} + + +size_t SubchannelSource::framesizeCu() +{ + size_t framesizeCu = 0; + + if (protectionForm()) { // Long form + if ((d_protection >> 2) & 0x07) { // Option + switch (d_protection & 0x03) { + case 0: + framesizeCu = (bitrate() / 32) * 27; + break; + case 1: + framesizeCu = (bitrate() / 32) * 21; + break; + case 2: + framesizeCu = (bitrate() / 32) * 18; + break; + case 3: + framesizeCu = (bitrate() / 32) * 15; + break; + default: + framesizeCu = 0xffff; + break; + } + } else { + switch (d_protection & 0x03) { + case 0: + framesizeCu = (bitrate() / 8) * 12; + break; + case 1: + framesizeCu = (bitrate() / 8) * 8; + break; + case 2: + framesizeCu = (bitrate() / 8) * 6; + break; + case 3: + framesizeCu = (bitrate() / 8) * 4; + break; + default: + framesizeCu = 0xffff; + break; + } + } + } else { // Short form + switch (bitrate()) { + case 32: + switch (protectionLevel()) { + case 1: + framesizeCu = 35; + break; + case 2: + framesizeCu = 29; + break; + case 3: + framesizeCu = 24; + break; + case 4: + framesizeCu = 21; + break; + case 5: + framesizeCu = 16; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 48: + switch (protectionLevel()) { + case 1: + framesizeCu = 52; + break; + case 2: + framesizeCu = 42; + break; + case 3: + framesizeCu = 35; + break; + case 4: + framesizeCu = 29; + break; + case 5: + framesizeCu = 24; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 56: + switch (protectionLevel()) { + case 2: + framesizeCu = 52; + break; + case 3: + framesizeCu = 42; + break; + case 4: + framesizeCu = 35; + break; + case 5: + framesizeCu = 29; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 64: + switch (protectionLevel()) { + case 1: + framesizeCu = 70; + break; + case 2: + framesizeCu = 58; + break; + case 3: + framesizeCu = 48; + break; + case 4: + framesizeCu = 42; + break; + case 5: + framesizeCu = 32; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 80: + switch (protectionLevel()) { + case 1: + framesizeCu = 84; + break; + case 2: + framesizeCu = 70; + break; + case 3: + framesizeCu = 58; + break; + case 4: + framesizeCu = 52; + break; + case 5: + framesizeCu = 40; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 96: + switch (protectionLevel()) { + case 1: + framesizeCu = 104; + break; + case 2: + framesizeCu = 84; + break; + case 3: + framesizeCu = 70; + break; + case 4: + framesizeCu = 58; + break; + case 5: + framesizeCu = 48; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 112: + switch (protectionLevel()) { + case 2: + framesizeCu = 104; + break; + case 3: + framesizeCu = 84; + break; + case 4: + framesizeCu = 70; + break; + case 5: + framesizeCu = 58; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 128: + switch (protectionLevel()) { + case 1: + framesizeCu = 140; + break; + case 2: + framesizeCu = 116; + break; + case 3: + framesizeCu = 96; + break; + case 4: + framesizeCu = 84; + break; + case 5: + framesizeCu = 64; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 160: + switch (protectionLevel()) { + case 1: + framesizeCu = 168; + break; + case 2: + framesizeCu = 140; + break; + case 3: + framesizeCu = 116; + break; + case 4: + framesizeCu = 104; + break; + case 5: + framesizeCu = 80; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 192: + switch (protectionLevel()) { + case 1: + framesizeCu = 208; + break; + case 2: + framesizeCu = 168; + break; + case 3: + framesizeCu = 140; + break; + case 4: + framesizeCu = 116; + break; + case 5: + framesizeCu = 96; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 224: + switch (protectionLevel()) { + case 1: + framesizeCu = 232; + break; + case 2: + framesizeCu = 208; + break; + case 3: + framesizeCu = 168; + break; + case 4: + framesizeCu = 140; + break; + case 5: + framesizeCu = 116; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 256: + switch (protectionLevel()) { + case 1: + framesizeCu = 280; + break; + case 2: + framesizeCu = 232; + break; + case 3: + framesizeCu = 192; + break; + case 4: + framesizeCu = 168; + break; + case 5: + framesizeCu = 128; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 320: + switch (protectionLevel()) { + case 2: + framesizeCu = 280; + break; + case 4: + framesizeCu = 208; + break; + case 5: + framesizeCu = 160; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + case 384: + switch (protectionLevel()) { + case 1: + framesizeCu = 416; + break; + case 3: + framesizeCu = 280; + break; + case 5: + framesizeCu = 192; + break; + default: + framesizeCu = 0xffff; + break; + } + break; + default: + framesizeCu = 0xffff; + break; + } + } + + if (framesizeCu == 0) { + fprintf(stderr, " Protection %zu @ %zu kb/s\n", + protectionLevel(), bitrate()); + throw std::runtime_error("SubchannelSource::framesizeCu protection " + "not yet coded!"); + } + if (framesizeCu == 0xffff) { + fprintf(stderr, " Protection %zu @ %zu kb/s\n", + protectionLevel(), bitrate()); + throw std::runtime_error("SubchannelSource::framesizeCu invalid " + "protection!"); + } + + return framesizeCu; +} + + +size_t SubchannelSource::bitrate() +{ + return d_framesize / 3; +} + + +size_t SubchannelSource::protection() +{ + return d_protection; +} + + +size_t SubchannelSource::protectionForm() +{ + return (d_protection >> 5) & 1; +} + + +size_t SubchannelSource::protectionLevel() +{ + if (protectionForm()) { // Long form + return (d_protection & 0x3) + 1; + } // Short form + return (d_protection & 0x7) + 1; +} + + +size_t SubchannelSource::protectionOption() +{ + if (protectionForm()) { // Long form + return (d_protection >> 2) & 0x7; + } // Short form + return 0; +} + + +int SubchannelSource::process(Buffer* inputData, Buffer* outputData) +{ + PDEBUG("SubchannelSource::process" + "(inputData: %p, outputData: %p)\n", + inputData, outputData); + + if (inputData != NULL && inputData->getLength()) { + PDEBUG(" Input, storing data\n"); + if (inputData->getLength() != d_framesize) { + PDEBUG("ERROR: Subchannel::process.inputSize != d_framesize\n"); + exit(-1); + } + d_buffer = *inputData; + return inputData->getLength(); + } + PDEBUG(" Output, retriving data\n"); + + return read(outputData); +} + + +int SubchannelSource::read(Buffer* outputData) +{ + PDEBUG("SubchannelSource::read(outputData: %p, outputSize: %zu)\n", + outputData, outputData->getLength()); + + if (d_buffer.getLength() != d_framesize) { + PDEBUG("ERROR: Subchannel::read.outputSize != d_framesize\n"); + exit(-1); + } + *outputData = d_buffer; + + return outputData->getLength(); +} diff --git a/src/SubchannelSource.h b/src/SubchannelSource.h new file mode 100644 index 0000000..9d9f663 --- /dev/null +++ b/src/SubchannelSource.h @@ -0,0 +1,68 @@ +/* + 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/>. + */ + +#ifndef SUBCHANNEL_SOURCE_H +#define SUBCHANNEL_SOURCE_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "PuncturingRule.h" +#include "Eti.h" +#include "ModInput.h" + +#include <vector> + + +class SubchannelSource : public ModInput +{ +protected: + size_t d_start_address; + size_t d_framesize; + size_t d_protection; + Buffer d_buffer; + std::vector<PuncturingRule*> d_puncturing_rules; + +public: + SubchannelSource(eti_STC &stc); + SubchannelSource(const SubchannelSource&); + SubchannelSource& operator=(const SubchannelSource&); + virtual ~SubchannelSource(); + + size_t startAddress(); + size_t framesize(); + size_t framesizeCu(); + size_t bitrate(); + size_t protection(); + size_t protectionForm(); + size_t protectionLevel(); + size_t protectionOption(); + const std::vector<PuncturingRule*>& get_rules(); + + int process(Buffer* inputData, Buffer* outputData); + const char* name() { return "SubchannelSource"; } + int read(Buffer* outputData); +}; + + +#endif // SUBCHANNEL_SOURCE_H diff --git a/src/TimeInterleaver.cpp b/src/TimeInterleaver.cpp new file mode 100644 index 0000000..92cba79 --- /dev/null +++ b/src/TimeInterleaver.cpp @@ -0,0 +1,92 @@ +/* + 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 "TimeInterleaver.h" +#include "PcDebug.h" + +#include <vector> +#include <stdint.h> + + +TimeInterleaver::TimeInterleaver(size_t framesize) + throw (std::invalid_argument) : + ModCodec(ModFormat(framesize), ModFormat(framesize)), + d_framesize(framesize) +{ + PDEBUG("TimeInterleaver::TimeInterleaver(%zu) @ %p\n", framesize, this); + + if (framesize & 1) { + throw std::invalid_argument("framesize must be 16 bits multiple"); + } + for (int i = 0; i < 16; ++i) { + std::vector<unsigned char> data(framesize, 0); + d_history.push_back(data); + } +} + + +TimeInterleaver::~TimeInterleaver() +{ + PDEBUG("TimeInterleaver::~TimeInterleaver() @ %p\n", this); +} + + +int TimeInterleaver::process(Buffer* const dataIn, Buffer* dataOut) +{ + PDEBUG("TimeInterleaver::process(dataIn: %p, dataOut: %p)\n", + dataIn, dataOut); + + dataOut->setLength(dataIn->getLength()); + const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); + unsigned char* out = reinterpret_cast<unsigned char*>(dataOut->getData()); + + + for (size_t i = 0; i < dataOut->getLength();) { + d_history.push_front(d_history.back()); + d_history.pop_back(); + for (uint_fast16_t j = 0; j < d_framesize;) { + d_history[0][j] = in[i]; + out[i] = d_history[0] [j] & 0x80; + out[i] |= d_history[8] [j] & 0x40; + out[i] |= d_history[4] [j] & 0x20; + out[i] |= d_history[12][j] & 0x10; + out[i] |= d_history[2] [j] & 0x08; + out[i] |= d_history[10][j] & 0x04; + out[i] |= d_history[6] [j] & 0x02; + out[i] |= d_history[14][j] & 0x01; + ++i; + ++j; + d_history[0][j] = in[i]; + out[i] = d_history[1] [j] & 0x80; + out[i] |= d_history[9] [j] & 0x40; + out[i] |= d_history[5] [j] & 0x20; + out[i] |= d_history[13][j] & 0x10; + out[i] |= d_history[3] [j] & 0x08; + out[i] |= d_history[11][j] & 0x04; + out[i] |= d_history[7] [j] & 0x02; + out[i] |= d_history[15][j] & 0x01; + ++i; + ++j; + } + } + + return dataOut->getLength(); +} diff --git a/src/TimeInterleaver.h b/src/TimeInterleaver.h new file mode 100644 index 0000000..4a5a6aa --- /dev/null +++ b/src/TimeInterleaver.h @@ -0,0 +1,55 @@ +/* + 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/>. + */ + +#ifndef TIME_INTERLEAVER_H +#define TIME_INTERLEAVER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + + +#include "ModCodec.h" + +#include <vector> +#include <deque> +#include <stdexcept> +#include <sys/types.h> + + +class TimeInterleaver : public ModCodec +{ +private: + +protected: + size_t d_framesize; + std::deque<std::vector<unsigned char> > d_history; + +public: + TimeInterleaver(size_t framesize) throw (std::invalid_argument); + virtual ~TimeInterleaver(); + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "TimeInterleaver"; } +}; + + +#endif // TIME_INTERLEAVER_H diff --git a/src/crc-dwap.py b/src/crc-dwap.py new file mode 100755 index 0000000..7fec510 --- /dev/null +++ b/src/crc-dwap.py @@ -0,0 +1,547 @@ +#!/usr/bin/env python + +# Copyright (C) 2006, 2007, 2008, 2009,-2010 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/>. + + +from wxPython.wx import * +from optparse import OptionParser +from gnuradio import gr +from gnuradio import usrp +from gnuradio.wxgui import fftsink, scopesink +from gnuradio.eng_notation import num_to_str +from gnuradio.eng_option import * + +ID_ABOUT = wxNewId() +ID_EXIT = wxNewId() +ID_GAIN_SLIDER0 = wxNewId() +ID_FREQ_SLIDER0 = wxNewId() +ID_GAIN_SLIDER1 = wxNewId() +ID_FREQ_SLIDER1 = wxNewId() +ID_START = wxNewId() +ID_STOP = wxNewId() + +def gcd(a, b) : + if b == 0 : + return a + return gcd(b, a % b) + + +def appendFrequency(option, opt, value, parser): + if parser.values.frequency is None : + parser.values.frequency = [ value ] + else : + parser.values.frequency.append(value) + +def listUsrp(option, opt, value, parser): + id = 0 + while (true) : + try: + version = usrp._look_for_usrp(id) + print "USRP #%i" % id + print " Rev: %i" % version + dst = usrp.sink_c(id) + src = usrp.source_c(id) + print " Tx" + for db in dst.db: + if (db[0].dbid() != -1): + print " %s" % db[0].side_and_name() + (min, max, offset) = db[0].freq_range() + print " Frequency" + print " Min: %sHz" % num_to_str(min) + print " Max: %sHz" % num_to_str(max) + print " Offset: %sHz" % num_to_str(offset) + (min, max, offset) = db[0].gain_range() + print " Gain" + print " Min: %sdB" % num_to_str(min) + print " Max: %sdB" % num_to_str(max) + print " Offset: %sdB" % num_to_str(offset) + print " Rx" + for db in src.db: + if (db[0].dbid() != -1): + print " %s" % db[0].side_and_name() + (min, max, offset) = db[0].freq_range() + print " Frequency" + print " Min: %sHz" % num_to_str(min) + print " Max: %sHz" % num_to_str(max) + print " Offset: %sHz" % num_to_str(offset) + (min, max, offset) = db[0].gain_range() + print " Gain" + print " Min: %sdB" % num_to_str(min) + print " Max: %sdB" % num_to_str(max) + print " Offset: %sdB" % num_to_str(offset) + except RuntimeError: + break + id += 1 + + raise SystemExit + +class MyFrame(wxFrame): + def __init__(self, parent, ID, title): + wxFrame.__init__(self, parent, ID, title, + wxDefaultPosition) + + self.pga = 0 + self.pgaMin = -20 + self.pgaMax = 0 + self.pgaStep = 0.25 + +# Parsing options + parser = OptionParser(option_class=eng_option, + usage="usage: %prog [options] filename1" \ + " [-f frequency2 filename2 [...]]") + parser.add_option("-a", "--agc", action="store_true", + help="enable agc") + parser.add_option("-c", "--clockrate", type="eng_float", default=128e6, + help="set USRP clock rate (128e6)") + parser.add_option("--copy", action="store_true", + help="enable real to imag data copy when in real mode") + parser.add_option("-e", "--encoding", type="choice", choices=["s", "f"], + default="f", help="choose data encoding: [s]igned or [f]loat.") + parser.add_option("-f", "--frequency", type="eng_float", + action="callback", callback=appendFrequency, + help="set output frequency (222.064e6)") + parser.add_option("-g", "--gain", type="float", + help="set output pga gain") + parser.add_option("-l", "--list", action="callback", callback=listUsrp, + help="list USRPs and daugtherboards") + parser.add_option("-m", "--mode", type="eng_float", default=2, + help="mode: 1: real, 2: complex (2)") + parser.add_option("-o", "--osc", action="store_true", + help="enable oscilloscope") + parser.add_option("-r", "--samplingrate", type="eng_float", + default=3.2e6, + help="set input sampling rate (3200000)") + parser.add_option("-s", "--spectrum", action="store_true", + help="enable spectrum analyzer") +# parser.add_option("-t", "--tx", type="choice", choices=["A", "B"], +# default="A", help="choose USRP tx A|B output (A)") + parser.add_option("-u", "--usrp", action="store_true", + help="enable USRP output") + + (options, args) = parser.parse_args() + if len(args) == 0 : + options.filename = [ "/dev/stdin" ] + else : + options.filename = args +# Setting default frequency + if options.frequency is None : + options.frequency = [ 222.064e6 ] + if len(options.filename) != len(options.frequency) : + parser.error("Nb input file != nb frequency!") + +# Status bar +# self.CreateStatusBar(3, 0) +# msg = "PGA: %.2f dB" % (self.pga * self.pgaStep) +# self.SetStatusText(msg, 1) +# msg = "Freq: %.3f mHz" % (options.frequency[0] / 1000000.0) +# self.SetStatusText(msg, 2) + +# Menu bar + menu = wxMenu() + menu.Append(ID_ABOUT, "&About", + "More information about this program") + menu.AppendSeparator() + menu.Append(ID_EXIT, "E&xit", "Terminate the program") + menuBar = wxMenuBar() + menuBar.Append(menu, "&File") + self.SetMenuBar(menuBar) + + +# Main windows + mainSizer = wxFlexGridSizer(0, 1) + sliderSizer = wxFlexGridSizer(0, 2) + buttonSizer = wxBoxSizer(wxHORIZONTAL) + + if options.usrp : + # TX d'board 0 + gainLabel = wxStaticText(self, -1, "PGA 0") + gainSlider = wxSlider(self, ID_GAIN_SLIDER0, self.pga, + self.pgaMin / self.pgaStep, self.pgaMax / self.pgaStep, + style = wxSL_HORIZONTAL | wxSL_AUTOTICKS) + gainSlider.SetSize((400, -1)) + sliderSizer.Add(gainLabel, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + sliderSizer.Add(gainSlider, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + + freqLabel = wxStaticText(self, -1, "Frequency 0") + freqSlider = wxSlider(self, ID_FREQ_SLIDER0, + options.frequency[0] / 16000, 0, 20e3, + style = wxSL_HORIZONTAL | wxSL_AUTOTICKS) + freqSlider.SetSize((400, -1)) + sliderSizer.Add(freqLabel, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + sliderSizer.Add(freqSlider, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + + if len(options.frequency) > 1 : + # TX d'board 1 + gainLabel = wxStaticText(self, -1, "PGA 1") + gainSlider = wxSlider(self, ID_GAIN_SLIDER1, self.pga, + self.pgaMin / self.pgaStep, self.pgaMax / self.pgaStep, + style = wxSL_HORIZONTAL | wxSL_AUTOTICKS) + gainSlider.SetSize((400, -1)) + sliderSizer.Add(gainLabel, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + sliderSizer.Add(gainSlider, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + + freqLabel = wxStaticText(self, -1, "Frequency 1") + freqSlider = wxSlider(self, ID_FREQ_SLIDER1, + options.frequency[1] / 16000, 0, 20e3, + style = wxSL_HORIZONTAL | wxSL_AUTOTICKS) + freqSlider.SetSize((400, -1)) + sliderSizer.Add(freqLabel, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + sliderSizer.Add(freqSlider, 0, + wxALIGN_CENTER_VERTICAL | wxFIXED_MINSIZE, 0) + + mainSizer.Add(sliderSizer, 1, wxEXPAND, 0) + + start = wxButton(self, ID_START, "Start") + stop = wxButton(self, ID_STOP, "Stop") + buttonSizer.Add(start, 1, wxALIGN_CENTER, 0) + buttonSizer.Add(stop, 1, wxALIGN_CENTER, 0) + mainSizer.Add(buttonSizer, 1, wxEXPAND, 0) + +# GnuRadio + self.fg = gr.flow_graph() + if options.mode == 1 : + print "Source: real" + if (options.encoding == "s") : + print "Source encoding: short" + src = gr.file_source(gr.sizeof_short, options.filename[0], 1) + if (options.copy) : + print "Imag: copy" + imag = src + else : + print "Imag: null" + imag = gr.null_source(gr.sizeof_short) + interleaver = gr.interleave(gr.sizeof_short) + self.fg.connect(src, (interleaver, 0)) + self.fg.connect(imag, (interleaver, 1)) + tail = interleaver + elif (options.encoding == "f") : + print "Source encoding: float" + src = gr.file_source(gr.sizeof_gr_complex, + options.filename[0], 1) + tail = src + elif (options.mode == 2) : + print "Source: complex" + if len(options.frequency) == 1 : + if (options.encoding == "s") : + print "Source encoding: short" + src = gr.file_source(gr.sizeof_short, + options.filename[0], 1) + elif (options.encoding == "f") : + print "Source encoding: float" + src = gr.file_source(gr.sizeof_gr_complex, + options.filename[0], 1) + else : + parser.error("Invalid encoding type for complex data!") + tail = src + + elif (len(options.frequency) == 2) : + src0 = gr.file_source(gr.sizeof_gr_complex, + options.filename[0], 1) + src1 = gr.file_source(gr.sizeof_gr_complex, + options.filename[1], 1) + interleaver = gr.interleave(gr.sizeof_gr_complex) + self.fg.connect(src0, (interleaver, 0)) + self.fg.connect(src1, (interleaver, 1)) + tail = interleaver + else : + parser.error( + "Invalid number of source (> 2) with complex input!") + else : + parser.error("Invalid mode!") + +# Interpolation + dac_freq = options.clockrate + interp = int(dac_freq / options.samplingrate) + if interp == 0 : + parser.error("Invalid sampling rate!") + if options.mode == 2 : + print "Input sampling rate: %s complex samples/s" % \ + num_to_str(options.samplingrate) + else : + print "Input sampling rate: %s samples/s" % \ + num_to_str(options.samplingrate) + print "Interpolation rate: int(%s / %s) = %sx" % \ + (num_to_str(dac_freq), num_to_str(options.samplingrate), interp) + if interp > 512 : + factor = gcd(dac_freq / 512, options.samplingrate) + num = int((dac_freq / 512) / factor) + den = int(options.samplingrate / factor) + print "Resampling by %i / %i" % (num, den) + resampler = blks.rational_resampler_ccc(self.fg, num, den) + self.fg.connect(tail, resampler) + tail = resampler + interp = 512 + options.samplingrate = dac_freq / 512 + +# AGC + if options.agc : + agc = gr.agc_cc() + self.fg.connect(tail, agc) + tail = agc + +# USRP + if options.usrp : + nchan = len(options.frequency) + if len(options.frequency) == 1 : + if options.mode == 1 : + mux = 0x00000098 + elif options.mode == 2 : + mux = 0x00000098 + else : + parser.error("Unsupported mode for USRP mux!") + elif len(options.frequency) == 2 : + if options.mode == 1 : + mux = 0x0000ba98 + elif options.mode == 2 : + mux = 0x0000ba98 + else : + parser.error("Unsupported mode for USRP mux!") + else : + parser.error("Invalid number of frequency [0..2]!") +# if options.tx == "A" : +# mux = 0x00000098 +# else : +# mux = 0x00009800 + print "Nb channels: ", nchan + print "Mux: 0x%x" % mux + if options.encoding == 's' : + dst = usrp.sink_s(0, interp, nchan, mux) + elif options.encoding == 'f' : + dst = usrp.sink_c(0, interp, nchan, mux) + else : + parser.error("Unsupported data encoding for USRP!") + + dst.set_verbose(1) + + for i in range(len(options.frequency)) : + if options.gain is None : + print "Setting gain to %f" % dst.pga_max() + dst.set_pga(i << 1, dst.pga_max()) + else : + print "Setting gain to %f" % options.gain + dst.set_pga(i << 1, options.gain) + + tune = false + for dboard in dst.db: + if (dboard[0].dbid() != -1): + device = dboard[0] + print "Tuning TX d'board %s to %sHz" % \ + (device.side_and_name(), + num_to_str(options.frequency[i])) + device.lo_offset = 38e6 + (min, max, offset) = device.freq_range() + print " Frequency" + print " Min: %sHz" % num_to_str(min) + print " Max: %sHz" % num_to_str(max) + print " Offset: %sHz" % num_to_str(offset) +#device.set_gain(device.gain_range()[1]) + device.set_enable(True) + tune = \ + dst.tune(device._which, device, + options.frequency[i] * 128e6 / dac_freq) + if tune: + print " Baseband frequency: %sHz" % \ + num_to_str(tune.baseband_freq) + print " DXC frequency: %sHz" % \ + num_to_str(tune.dxc_freq) + print " Residual Freqency: %sHz" % \ + num_to_str(tune.residual_freq) + print " Inverted: ", \ + tune.inverted + mux = usrp.determine_tx_mux_value(dst, + (device._which, 0)) + dst.set_mux(mux) + break + else: + print " Failed!" + if not tune: + print " Failed!" + raise SystemExit + +# int nunderruns () + + print "USRP" + print " Rx halfband: ", dst.has_rx_halfband() + print " Tx halfband: ", dst.has_tx_halfband() + print " Nb DDC: ", dst.nddc() + print " Nb DUC: ", dst.nduc() +#dst._write_9862(0, 14, 224) + + print " DAC frequency: %s samples/s" % num_to_str(dst.dac_freq()) + print " Fpga decimation rate: %s -> %s samples/s" % \ + (num_to_str(dst.interp_rate()), + num_to_str(dac_freq / dst.interp_rate())) + print " Nb channels:", + if hasattr(dst, "nchannels()") : + print dst.nchannels() + else: + print "N/A" + print " Mux:", + if hasattr(dst, "mux()") : + print "0x%x" % dst.mux() + else : + print "N/A" + print " FPGA master clock frequency:", + if hasattr(dst, "fpga_master_clock_freq()") : + print "%sHz" % num_to_str(dst.fpga_master_clock_freq()) + else : + print "N/A" + print " Converter rate:", + if hasattr(dst, "converter_rate()") : + print "%s" % num_to_str(dst.converter_rate()) + else : + print "N/A" + print " DAC rate:", + if hasattr(dst, "dac_rate()") : + print "%s sample/s" % num_to_str(dst.dac_rate()) + else : + print "N/A" + print " Interp rate: %sx" % num_to_str(dst.interp_rate()) + print " DUC frequency 0: %sHz" % num_to_str(dst.tx_freq(0)) + print " DUC frequency 1: %sHz" % num_to_str(dst.tx_freq(1)) + print " Programmable Gain Amplifier 0: %s dB" % \ + num_to_str(dst.pga(0)) + print " Programmable Gain Amplifier 1: %s dB" % \ + num_to_str(dst.pga(2)) + + else : + dst = gr.null_sink(gr.sizeof_gr_complex) + +# AGC + if options.agc : + agc = gr.agc_cc() + self.fg.connect(tail, agc) + tail = agc + + self.fg.connect(tail, dst) + +# oscilloscope + if options.osc : + oscPanel = wxPanel(self, -1) + if (options.encoding == "s") : + converter = gr.interleaved_short_to_complex() + self.fg.connect(tail, converter) + signal = converter + elif (options.encoding == "f") : + signal = tail + else : + parser.error("Unsupported data encoding for oscilloscope!") + +#block = scope_sink_f(fg, parent, title=label, sample_rate=input_rate) +#return (block, block.win) + + oscWin = scopesink.scope_sink_c(self.fg, oscPanel, "Signal", + options.samplingrate) + self.fg.connect(signal, oscWin) + mainSizer.Add(oscPanel, 1, wxEXPAND) + +# spectrometer + if options.spectrum : + ymin = 0 + ymax = 160 + fftPanel = wxPanel(self, -1) + if (options.encoding == "s") : + converter = gr.interleaved_short_to_complex() + self.fg.connect(tail, converter) + signal = converter + elif (options.encoding == "f") : + signal = tail + else : + parser.error("Unsupported data encoding for oscilloscope!") + + fftWin = fftsink.fft_sink_c(self.fg, fftPanel, + title="Spectrum", + fft_size=2048, + sample_rate=options.samplingrate, + y_per_div=(ymax - ymin) / 8, + ref_level=ymax, + fft_rate=50, + average=True + ) + self.fg.connect(signal, fftWin) + mainSizer.Add(fftPanel, 1, wxEXPAND) + +# Events + EVT_MENU(self, ID_ABOUT, self.OnAbout) + EVT_MENU(self, ID_EXIT, self.TimeToQuit) + EVT_SLIDER(self, ID_GAIN_SLIDER0, self.slideEvent) + EVT_SLIDER(self, ID_FREQ_SLIDER0, self.slideEvent) + EVT_SLIDER(self, ID_GAIN_SLIDER1, self.slideEvent) + EVT_SLIDER(self, ID_FREQ_SLIDER1, self.slideEvent) + EVT_BUTTON(self, ID_START, self.onClick) + EVT_BUTTON(self, ID_STOP, self.onClick) + +#Layout sizers + self.SetSizer(mainSizer) + self.SetAutoLayout(1) + mainSizer.Fit(self) + + self.fg.start() + + def OnAbout(self, event): + dlg = wxMessageDialog(self, "This sample program shows off\n" + "frames, menus, statusbars, and this\n" + "message dialog.", + "About Me", wxOK | wxICON_INFORMATION) + dlg.ShowModal() + dlg.Destroy() + + + def TimeToQuit(self, event): + self.Close(true) + + def slideEvent(self, evt): + value = evt.GetInt() + id = evt.GetId() + if id == ID_GAIN_SLIDER: + msg = "PGA: %.2f dB" % (value * self.pgaStep) + self.SetStatusText(msg, 1) + elif id == ID_FREQ_SLIDER: + msg = "Freq: %.3f mHz" % (value * 16.0 / 1000) + self.SetStatusText(msg, 2) + else: + print "Slider event not yet coded!" + self.Close(True) + + def onClick(self, event): + id = event.GetId() + if id == ID_START: + self.fg.start() + elif id == ID_STOP: + self.fg.stop() + else: + print "Click event not yet coded!" + self.Close(True) + +class MyApp(wxApp): + def OnInit(self): + frame = MyFrame(NULL, -1, "Digital WAve Player") + frame.Show(true) + self.SetTopWindow(frame) + return true + +app = MyApp(0) +app.MainLoop() diff --git a/src/kiss_fftsimd.c b/src/kiss_fftsimd.c new file mode 100644 index 0000000..375f552 --- /dev/null +++ b/src/kiss_fftsimd.c @@ -0,0 +1,44 @@ +/* + Copyright (C) 2011, 2012 + 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 "kiss_fftsimd.h" + + +#ifdef USE_SIMD +void kiss_fft_pack(kiss_fft_complex *in, size_t in_size, size_t in_offset, + kiss_fft_complex *out, size_t out_size, size_t out_offset, + size_t stride, size_t n) +{ + size_t i, j; + complex_float *in_cplx = (complex_float*)in; + + for (i = 0; i < 4; ++i) { + if (in_offset < in_size) { + for (j = 0; j < n; ++j) { + out[out_offset + j].r[i] = in_cplx[in_offset + j].r; + out[out_offset + j].i[i] = in_cplx[in_offset + j].i; + } + in_offset += stride; + } + } +} +#endif diff --git a/src/kiss_fftsimd.h b/src/kiss_fftsimd.h new file mode 100644 index 0000000..a1ad1c6 --- /dev/null +++ b/src/kiss_fftsimd.h @@ -0,0 +1,68 @@ +/* + Copyright (C) 2011, 2012 + 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/>. + */ + +#ifndef KISS_FFTSIMD_H +#define KISS_FFTSIMD_H + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <kiss_fft.h> + + +#define FFT_TYPE kiss_fft_cpx +#define FFT_PLAN kiss_fft_cfg +#define FFT_REAL(a) (a).r +#define FFT_IMAG(a) (a).i + + +#ifdef __SSE__ +#include <xmmintrin.h> +union __u128 { + __m128 m; + float f[4]; +}; +#endif + + +#ifdef USE_SIMD + +typedef struct { + float r[4]; + float i[4]; +} kiss_fft_complex; + +typedef struct { + float r; + float i; +} complex_float; + +void kiss_fft_pack(kiss_fft_complex *in, size_t in_size, size_t in_offset, + kiss_fft_complex *out, size_t out_size, size_t out_offset, + size_t stride, size_t n); +void kiss_fft_unpack(kiss_fft_complex *dst, kiss_fft_complex *src, size_t n, size_t offset, size_t stride); + +#endif + + +#endif // KISS_FFTSIMD_H diff --git a/src/porting.c b/src/porting.c new file mode 100644 index 0000000..7342913 --- /dev/null +++ b/src/porting.c @@ -0,0 +1,39 @@ +/* + Copyright (C) 2007, 2008, 2009, 2010 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 "porting.h" + + +#ifndef HAVE_GETTIMEOFDAY +#include <sys/timeb.h> +int gettimeofday(struct timeval* t, void* timezone) +{ + struct timeb timebuffer; + ftime(&timebuffer); + t->tv_sec=timebuffer.time; + t->tv_usec=1000*timebuffer.millitm; + return 0; +} +#endif + +#ifdef _WIN32 +unsigned int _CRT_fmode = _O_BINARY; +#endif diff --git a/src/porting.h b/src/porting.h new file mode 100644 index 0000000..79c71ef --- /dev/null +++ b/src/porting.h @@ -0,0 +1,52 @@ +/* + Copyright (C) 2007, 2008, 2009, 2010 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/>. + */ + +#ifndef PORTING_H +#define PORTING_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#ifndef HAVE_BZERO +# define bzero(s, n) memset(s, 0, n) +#endif + +#ifndef HAVE_GETTIMEOFDAY +#include <sys/time.h> +#ifdef __cplusplus +extern "C" +#endif +int gettimeofday(struct timeval* t, void* timezone); +#endif + +#ifdef _WIN32 +#include <fcntl.h> +// For setting default opening mode with fopen as binary, for all files +// including stdin and stdout +extern unsigned int _CRT_fmode; +#endif + +#ifndef HAVE_KILL +# define kill(a, b) raise(b) +#endif + +#endif // PORTING_H |