super_tone_tx.c File Reference

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <ctype.h>
#include <time.h>
#include <inttypes.h>
#include "floating_fudge.h"
#include "spandsp/telephony.h"
#include "spandsp/complex.h"
#include "spandsp/dds.h"
#include "spandsp/tone_generate.h"
#include "spandsp/super_tone_tx.h"

Functions
super_tone_tx_step_t *	super_tone_tx_make_step (super_tone_tx_step_t *s, float f1, float l1, float f2, float l2, int length, int cycles)
void	super_tone_tx_free (super_tone_tx_step_t *s)
super_tone_tx_state_t *	super_tone_tx_init (super_tone_tx_state_t *s, super_tone_tx_step_t *tree)
	Initialise a supervisory tone generator.
int	super_tone_tx (super_tone_tx_state_t *s, int16_t amp[], int max_samples)
	Generate a block of audio samples for a supervisory tone pattern.

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Detailed Description

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Function Documentation

int super_tone_tx	(	super_tone_tx_state_t *	s,
		int16_t	amp[],
		int	max_samples
	)

Generate a block of audio samples for a supervisory tone pattern.

Generate a block of audio samples for a supervisory tone pattern.

Parameters:

	s	The supervisory tone context.
	amp	The audio sample buffer.
	max_samples	The maximum number of samples to be generated.

Returns:

The number of samples generated.

References dds_modf().

super_tone_tx_state_t* super_tone_tx_init	(	super_tone_tx_state_t *	s,
		super_tone_tx_step_t *	tree
	)

Initialise a supervisory tone generator.

Initialise a supervisory tone generator.

Parameters:

	s	The supervisory tone generator context.
	tree	The supervisory tone tree to be generated.

Returns:

The supervisory tone generator context.