mirror of
https://github.com/AlexandreRouma/SDRPlusPlus.git
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81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
#pragma once
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#include <stdint.h>
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#include "dsp/processor.h"
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extern "C" {
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#include "correct.h"
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}
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namespace ryfi {
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// Size of an encoded reed-solomon block.
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inline const int RS_BLOCK_ENC_SIZE = 255;
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// Size of a decoded reed-solomon block.
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inline const int RS_BLOCK_DEC_SIZE = 223;
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// Number of reed-solomon blocks.
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inline const int RS_BLOCK_COUNT = 4;
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// Scrambler sequence
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extern const uint8_t RS_SCRAMBLER_SEQ[RS_BLOCK_ENC_SIZE*RS_BLOCK_COUNT];
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/**
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* RyFi Reed-Solomon Encoder.
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*/
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class RSEncoder : public dsp::Processor<uint8_t, uint8_t> {
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using base_type = dsp::Processor<uint8_t, uint8_t>;
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public:
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/**
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* Create a reed-solomon encoder specifying an input stream.
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* @param in Input stream
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*/
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RSEncoder(dsp::stream<uint8_t>* in = NULL);
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// Destructor
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~RSEncoder();
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/**
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* Encode data.
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* @param in Input bytes.
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* @param out Output bytes.
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* @param count Number of input bytes.
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* @return Number of output bytes.
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*/
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int encode(const uint8_t* in, uint8_t* out, int count);
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private:
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int run();
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correct_reed_solomon* rs;
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};
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/**
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* RyFi Reed-Solomon Decoder.
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*/
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class RSDecoder : public dsp::Processor<uint8_t, uint8_t> {
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using base_type = dsp::Processor<uint8_t, uint8_t>;
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public:
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/**
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* Create a reed-solomon decoder specifying an input stream.
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* @param in Input stream
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*/
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RSDecoder(dsp::stream<uint8_t>* in = NULL);
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// Destructor
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~RSDecoder();
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/**
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* Decode data.
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* @param in Input bytes.
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* @param out Output bytes.
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* @param count Number of input bytes.
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* @return Number of output bytes.
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*/
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int decode(uint8_t* in, uint8_t* out, int count);
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private:
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int run();
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correct_reed_solomon* rs;
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};
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} |