leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS > Struct Template Reference

#include <convolutional.h>

Public Types
typedef u8	hardsymbol
typedef u8	decoded_byte

Public Member Functions
u8	SYMVAL (const hardsymbol *s)
u8	SYMVAL (const softsymbol *s)
	deconvol_poly ()
int	run (const Tin *pin, const u8 remap[], decoded_byte *pout, int nb)

Private Attributes
Thist	hist

Detailed Description

template<typename Tin, typename Thist, Thist POLY_DECONVOL, Thist POLY_ERRORS>
struct leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >

Definition at line 36 of file convolutional.h.

Member Typedef Documentation

decoded_byte

template<typename Tin , typename Thist , Thist POLY_DECONVOL, Thist POLY_ERRORS>

typedef u8 leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::decoded_byte

Definition at line 44 of file convolutional.h.

hardsymbol

template<typename Tin , typename Thist , Thist POLY_DECONVOL, Thist POLY_ERRORS>

typedef u8 leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::hardsymbol

Definition at line 38 of file convolutional.h.

Constructor & Destructor Documentation

deconvol_poly()

template<typename Tin , typename Thist , Thist POLY_DECONVOL, Thist POLY_ERRORS>

leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::deconvol_poly ( )

inline

Definition at line 46 of file convolutional.h.

: hist(0) {}

Member Function Documentation

run()

template<typename Tin , typename Thist , Thist POLY_DECONVOL, Thist POLY_ERRORS>

int leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::run ( const Tin *  pin, const u8  remap[], decoded_byte *  pout, int  nb  )

inline

Definition at line 51 of file convolutional.h.

References leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::hist, leansdr::parity(), and leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::SYMVAL().

    {
        int nerrors = 0;
        int halfway = nb / 2;

        for (; nb--; ++pout)
        {
            decoded_byte byte = 0;

            for (int bit = 8; bit--; ++pin)
            {
                hist = (hist << 2) | remap[SYMVAL(pin)];
                byte = (byte << 1) | parity(hist & POLY_DECONVOL);
                if (nb < halfway)
                    nerrors += parity(hist & POLY_ERRORS);
            }

            *pout = byte;
        }

        return nerrors;
    }

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SYMVAL() [1/2]

template<typename Tin , typename Thist , Thist POLY_DECONVOL, Thist POLY_ERRORS>

u8 leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::SYMVAL ( const hardsymbol *  s )

inline

Definition at line 41 of file convolutional.h.

Referenced by leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::run(), and leansdr::deconvol_poly2< Tin, uint32_t, uint64_t, 0x3ba, 0x38f70 >::run().

{ return *s; }

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SYMVAL() [2/2]

template<typename Tin , typename Thist , Thist POLY_DECONVOL, Thist POLY_ERRORS>

u8 leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::SYMVAL ( const softsymbol *  s )

inline

Definition at line 42 of file convolutional.h.

References leansdr::softsymbol::symbol.

{ return s->symbol; }

Member Data Documentation

hist

template<typename Tin , typename Thist , Thist POLY_DECONVOL, Thist POLY_ERRORS>

Thist leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::hist

private

Definition at line 75 of file convolutional.h.

Referenced by leansdr::convol_multipoly< uint16_t, 16 >::encode(), leansdr::deconvol_poly< Tin, Thist, POLY_DECONVOL, POLY_ERRORS >::run(), and leansdr::convol_poly2< Thist, POLY1, POLY2 >::run().

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The documentation for this struct was generated from the following file:

• plugins/channelrx/demoddatv/leansdr/convolutional.h