atsci_single_viterbi Class Reference

#include <atsci_single_viterbi.h>

List of all members.

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Detailed Description

single channel viterbi decoder

Public Member Functions
	atsci_single_viterbi ()
char	decode (float input)
void	reset ()
int	delay ()
	internal delay of decoder
Static Public Attributes
static const unsigned int	TB_LEN = 32
Protected Attributes
float	path_metrics [2][8]
unsigned long long	traceback [2][8]
unsigned char	phase
Static Protected Attributes
static const int	transition_table [32]
static const float	was_sent [32]

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Constructor & Destructor Documentation

atsci_single_viterbi::atsci_single_viterbi

(

)

References reset().

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Member Function Documentation

char atsci_single_viterbi::decode

(

float

input

)

INPUT ideally takes on the values +/- 1,3,5,7 return is decoded dibit in the range [0, 3]

References path_metrics, phase, traceback, transition_table, and was_sent.

void atsci_single_viterbi::reset

(

)

References path_metrics, phase, and traceback.

Referenced by atsci_single_viterbi(), and atsci_viterbi_decoder::reset().

int atsci_single_viterbi::delay

(

)

[inline]

internal delay of decoder

References TB_LEN.

Referenced by atsci_viterbi_decoder::atsci_viterbi_decoder().

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Member Data Documentation

const unsigned int atsci_single_viterbi::TB_LEN = 32 [static]

Referenced by delay().

const int atsci_single_viterbi::transition_table [static, protected]

Initial value:

 {
  0,2,4,6,
  2,0,6,4,
  1,3,5,7,
  3,1,7,5,
  4,6,0,2,
  6,4,2,0,
  5,7,1,3,
  7,5,3,1
}

Referenced by decode().

const float atsci_single_viterbi::was_sent [static, protected]

Initial value:

 {
  -7,-3,-7,-3,-7,-3,-7,-3,
  -5,-1,-5,-1,-5,-1,-5,-1,
  1,5,1,5,1,5,1,5,
  3,7,3,7,3,7,3,7
}

Referenced by decode().

float atsci_single_viterbi::path_metrics[2][8] [protected]

Referenced by decode(), and reset().

unsigned long long atsci_single_viterbi::traceback[2][8] [protected]

Referenced by decode(), and reset().

unsigned char atsci_single_viterbi::phase [protected]

Referenced by decode(), and reset().

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The documentation for this class was generated from the following files:

• atsci_single_viterbi.h
• atsci_single_viterbi.cc