diff options
Diffstat (limited to 'src/OfdmGenerator.h')
-rw-r--r-- | src/OfdmGenerator.h | 79 |
1 files changed, 51 insertions, 28 deletions
diff --git a/src/OfdmGenerator.h b/src/OfdmGenerator.h index a8c3c19..9a6fa01 100644 --- a/src/OfdmGenerator.h +++ b/src/OfdmGenerator.h @@ -2,7 +2,7 @@ Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty the Queen in Right of Canada (Communications Research Center Canada) - Copyright (C) 2016 + Copyright (C) 2017 Matthias P. Braendli, matthias.braendli@mpb.li http://opendigitalradio.org @@ -32,38 +32,61 @@ #include "porting.h" #include "ModPlugin.h" - +#include "RemoteControl.h" #include "fftw3.h" - #include <sys/types.h> +#include <vector> +#include <complex> +typedef std::complex<float> complexf; -class OfdmGenerator : public ModCodec +class OfdmGenerator : public ModCodec, public RemoteControllable { -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: - fftwf_plan myFftPlan; - fftwf_complex *myFftIn, *myFftOut; - 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; + public: + OfdmGenerator(size_t nbSymbols, + size_t nbCarriers, + size_t spacing, + bool inverse = true); + virtual ~OfdmGenerator(); + OfdmGenerator(const OfdmGenerator&) = delete; + OfdmGenerator& operator=(const OfdmGenerator&) = delete; + + int process(Buffer* const dataIn, Buffer* dataOut) override; + const char* name() override { return "OfdmGenerator"; } + + /* Functions for the remote control */ + /* Base function to set parameters. */ + virtual void set_parameter( + const std::string& parameter, + const std::string& value) override; + + /* Getting a parameter always returns a string. */ + virtual const std::string get_parameter( + const std::string& parameter) const override; + + protected: + void cfr_one_iteration(Buffer *symbols, size_t symbol_ix); + + fftwf_plan myFftPlan; + fftwf_complex *myFftIn, *myFftOut; + 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; + + bool myCfr; // Whether to enable crest factor reduction + float myCfrClip; + float myCfrErrorClip; + fftwf_plan myCfrFft; + std::vector<complexf> myCfrPostClip; + std::vector<complexf> myCfrPostFft; }; |