#include <CWGenerator.hxx>

Public Member Functions
void	setCWSpeed (unsigned int wpm)
	set the speed of the cw stream in words per minute
unsigned int	getCWSpeed ()
	tell us what the current CW speed is
bool	readyForMore ()
	check envelope stream to see if we have less than 1 second's worth of stuff enqueued
bool	sendChar (char c)
	encode a character into the envelope buffer

Static Public Member Functions
static CWGeneratorPtr	make (FDatMBoxPtr cw_env_stream, double _samp_rate, unsigned int _env_buf_len)

Protected Member Functions
	CWGenerator (FDatMBoxPtr cw_env_stream, double _samp_rate, unsigned int _env_buf_len)
	Constructor.

Private Member Functions
void	appendToOut (std::vector< float > &v)
	add a buffer of envelope pieces to the outgoing envelope buffer
void	flushBuffer ()
	push the current buffer out to the transmitter, filling it with zeros
void	clearBuffer ()
	empty the current envelope, don't send it along to the TX unit
void	initMorseMap ()
	setup the mapping from ascii character to morse sequence

Private Attributes
FDatMBoxPtr	env_stream
	this is the stream we send envelope buffers into.
double	sample_rate
	we need to know how long a sample is (in time)
unsigned int	env_buf_len
	the length of an envelope buffer
unsigned int	words_per_minute
unsigned int	edge_sample_count
	edges are 'pre-built' this is the length of an edge, in samples
unsigned int	bufs_per_sec
	number of envelope buffers required per second.
std::vector< float >	dit
	prototype dit buffer
std::vector< float >	dah
	prototype dah buffer
std::vector< float >	inter_char_space
	prototype space between characters
std::vector< float >	inter_word_space
	prototype space between words
std::vector< float >	rising_edge
	a gentle shape for the leading edge of a pulse
std::vector< float >	falling_edge
	a gentle shape for the trailing edge of a pulse
SoDa::FBufPtr	cur_buf
	the current envelope to be filled in
unsigned int	cur_buf_idx
	where are we in the buffer?
bool	in_digraph
	if true, we're sending a two-character (no inter-char space) sequence (like _AR)
bool	last_was_space
	if true, next interword space should be a little short

Static Private Attributes
static std::map< char, std::string >	morse_map
	map from ascii character to dits-and-dahs

Detailed Description

Definition at line 46 of file CWGenerator.hxx.

Constructor & Destructor Documentation

◆ CWGenerator()

SoDa::CWGenerator::CWGenerator	(	FDatMBoxPtr	cw_env_stream,
		double	_samp_rate,
		unsigned int	_env_buf_len )

protected

Constructor.

Parameters

cw_env_stream	envelope stream from text-to-CW converter
_samp_rate	sample rate for outbound envelope
_env_buf_len	length of outbound buffer

Referenced by make().

Member Function Documentation

◆ appendToOut()

void SoDa::CWGenerator::appendToOut ( std::vector< float > & v )

private

add a buffer of envelope pieces to the outgoing envelope buffer

Parameters

v	vector of floating point envelope amplitudes

◆ clearBuffer()

void SoDa::CWGenerator::clearBuffer ( )

private

empty the current envelope, don't send it along to the TX unit

◆ flushBuffer()

void SoDa::CWGenerator::flushBuffer ( )

private

push the current buffer out to the transmitter, filling it with zeros

◆ getCWSpeed()

unsigned int SoDa::CWGenerator::getCWSpeed ( )

inline

tell us what the current CW speed is

Returns: words per minute

Definition at line 76 of file CWGenerator.hxx.

References words_per_minute.

◆ initMorseMap()

void SoDa::CWGenerator::initMorseMap ( )

private

setup the mapping from ascii character to morse sequence

◆ make()

CWGeneratorPtr SoDa::CWGenerator::make	(	FDatMBoxPtr	cw_env_stream,
		double	_samp_rate,
		unsigned int	_env_buf_len )

inlinestatic

Definition at line 57 of file CWGenerator.hxx.

References CWGenerator().

◆ readyForMore()

bool SoDa::CWGenerator::readyForMore ( )

check envelope stream to see if we have less than 1 second's worth of stuff enqueued

Returns: true if we need to encode more characters

◆ sendChar()

bool SoDa::CWGenerator::sendChar ( char c )

encode a character into the envelope buffer

Parameters

c	the character to be sent

Returns: true if c was a morse-encodable character

◆ setCWSpeed()

void SoDa::CWGenerator::setCWSpeed ( unsigned int wpm )

set the speed of the cw stream in words per minute

Parameters

wpm	words per minute

Member Data Documentation

◆ bufs_per_sec

unsigned int SoDa::CWGenerator::bufs_per_sec

private

number of envelope buffers required per second.

Definition at line 123 of file CWGenerator.hxx.

◆ cur_buf

SoDa::FBufPtr SoDa::CWGenerator::cur_buf

private

the current envelope to be filled in

Definition at line 138 of file CWGenerator.hxx.

◆ cur_buf_idx

unsigned int SoDa::CWGenerator::cur_buf_idx

private

where are we in the buffer?

Definition at line 139 of file CWGenerator.hxx.

◆ dah

std::vector<float> SoDa::CWGenerator::dah

private

prototype dah buffer

Definition at line 127 of file CWGenerator.hxx.

◆ dit

std::vector<float> SoDa::CWGenerator::dit

private

prototype dit buffer

Definition at line 126 of file CWGenerator.hxx.

◆ edge_sample_count

unsigned int SoDa::CWGenerator::edge_sample_count

private

edges are 'pre-built' this is the length of an edge, in samples

Definition at line 121 of file CWGenerator.hxx.

◆ env_buf_len

unsigned int SoDa::CWGenerator::env_buf_len

private

the length of an envelope buffer

Definition at line 117 of file CWGenerator.hxx.

◆ env_stream

FDatMBoxPtr SoDa::CWGenerator::env_stream

private

this is the stream we send envelope buffers into.

Definition at line 115 of file CWGenerator.hxx.

◆ falling_edge

std::vector<float> SoDa::CWGenerator::falling_edge

private

a gentle shape for the trailing edge of a pulse

Definition at line 133 of file CWGenerator.hxx.

◆ in_digraph

bool SoDa::CWGenerator::in_digraph

private

if true, we're sending a two-character (no inter-char space) sequence (like _AR)

Definition at line 142 of file CWGenerator.hxx.

◆ inter_char_space

std::vector<float> SoDa::CWGenerator::inter_char_space

private

prototype space between characters

Definition at line 128 of file CWGenerator.hxx.

◆ inter_word_space

std::vector<float> SoDa::CWGenerator::inter_word_space

private

prototype space between words

Definition at line 129 of file CWGenerator.hxx.

◆ last_was_space

bool SoDa::CWGenerator::last_was_space

private

if true, next interword space should be a little short

Definition at line 143 of file CWGenerator.hxx.

◆ morse_map

std::map<char, std::string> SoDa::CWGenerator::morse_map

staticprivate

map from ascii character to dits-and-dahs

Definition at line 135 of file CWGenerator.hxx.

◆ rising_edge

std::vector<float> SoDa::CWGenerator::rising_edge

private

a gentle shape for the leading edge of a pulse

Definition at line 132 of file CWGenerator.hxx.

◆ sample_rate

double SoDa::CWGenerator::sample_rate

private

we need to know how long a sample is (in time)

Definition at line 116 of file CWGenerator.hxx.

◆ words_per_minute

unsigned int SoDa::CWGenerator::words_per_minute

private

Definition at line 120 of file CWGenerator.hxx.

Referenced by getCWSpeed().

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

src/CWGenerator.hxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CWGenerator()

Member Function Documentation

◆ appendToOut()

◆ clearBuffer()

◆ flushBuffer()

◆ getCWSpeed()

◆ initMorseMap()

◆ make()

◆ readyForMore()

◆ sendChar()

◆ setCWSpeed()

Member Data Documentation

◆ bufs_per_sec

◆ cur_buf

◆ cur_buf_idx

◆ dah

◆ dit

◆ edge_sample_count

◆ env_buf_len

◆ env_stream

◆ falling_edge

◆ in_digraph

◆ inter_char_space

◆ inter_word_space

◆ last_was_space

◆ morse_map

◆ rising_edge

◆ sample_rate

◆ words_per_minute