spandsp 0.0.6
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#include <inttypes.h>
#include <stdlib.h>
#include <memory.h>
#include "floating_fudge.h"
#include <stdio.h>
#include "spandsp/telephony.h"
#include "spandsp/fast_convert.h"
#include "spandsp/logging.h"
#include "spandsp/complex.h"
#include "spandsp/dds.h"
#include "spandsp/tone_detect.h"
#include "spandsp/tone_generate.h"
#include "spandsp/super_tone_rx.h"
#include "spandsp/power_meter.h"
#include "spandsp/async.h"
#include "spandsp/fsk.h"
#include "spandsp/modem_connect_tones.h"
#include "spandsp/private/fsk.h"
#include "spandsp/private/modem_connect_tones.h"
Macros | |
#define | HDLC_FRAMING_OK_THRESHOLD 5 |
Functions | |
const char * | modem_connect_tone_to_str (int tone) |
int | modem_connect_tones_tx (modem_connect_tones_tx_state_t *s, int16_t amp[], int len) |
modem_connect_tones_tx_state_t * | modem_connect_tones_tx_init (modem_connect_tones_tx_state_t *s, int tone_type) |
Initialise an instance of the modem connect tones generator. | |
int | modem_connect_tones_tx_release (modem_connect_tones_tx_state_t *s) |
Release an instance of the modem connect tones generator. | |
int | modem_connect_tones_tx_free (modem_connect_tones_tx_state_t *s) |
Free an instance of the modem connect tones generator. | |
int | modem_connect_tones_rx (modem_connect_tones_rx_state_t *s, const int16_t amp[], int len) |
int | modem_connect_tones_rx_get (modem_connect_tones_rx_state_t *s) |
Test if a modem_connect tone has been detected. | |
modem_connect_tones_rx_state_t * | modem_connect_tones_rx_init (modem_connect_tones_rx_state_t *s, int tone_type, tone_report_func_t tone_callback, void *user_data) |
Initialise an instance of the modem connect tones detector. | |
int | modem_connect_tones_rx_release (modem_connect_tones_rx_state_t *s) |
Release an instance of the modem connect tones detector. | |
int | modem_connect_tones_rx_free (modem_connect_tones_rx_state_t *s) |
Free an instance of the modem connect tones detector. |
int modem_connect_tones_rx_free | ( | modem_connect_tones_rx_state_t * | s | ) |
Free an instance of the modem connect tones detector.
s | The context. |
int modem_connect_tones_rx_get | ( | modem_connect_tones_rx_state_t * | s | ) |
Test if a modem_connect tone has been detected.
s | The context. |
References modem_connect_tones_rx_state_s::hit, and MODEM_CONNECT_TONES_NONE.
modem_connect_tones_rx_state_t * modem_connect_tones_rx_init | ( | modem_connect_tones_rx_state_t * | s, |
int | tone_type, | ||
tone_report_func_t | tone_callback, | ||
void * | user_data ) |
Initialise an instance of the modem connect tones detector.
s | The context. |
tone_type | The type of connect tone being tested for. |
tone_callback | An optional callback routine, used to report tones |
user_data | An opaque pointer passed to the callback routine, |
References modem_connect_tones_rx_state_s::am_level, modem_connect_tones_rx_state_s::callback_data, modem_connect_tones_rx_state_s::channel_level, modem_connect_tones_rx_state_s::flags_seen, modem_connect_tones_rx_state_s::framing_ok_announced, fsk_rx_init(), fsk_rx_signal_cutoff(), modem_connect_tones_rx_state_s::good_cycles, modem_connect_tones_rx_state_s::hit, MODEM_CONNECT_TONES_ANS, MODEM_CONNECT_TONES_ANS_PR, MODEM_CONNECT_TONES_ANSAM, MODEM_CONNECT_TONES_ANSAM_PR, MODEM_CONNECT_TONES_FAX_CED_OR_PREAMBLE, MODEM_CONNECT_TONES_FAX_PREAMBLE, MODEM_CONNECT_TONES_NONE, modem_connect_tones_rx_state_s::notch_level, modem_connect_tones_rx_state_s::num_bits, modem_connect_tones_rx_state_s::raw_bit_stream, modem_connect_tones_rx_state_s::tone_callback, modem_connect_tones_rx_state_s::tone_cycle_duration, modem_connect_tones_rx_state_s::tone_present, modem_connect_tones_rx_state_s::tone_type, modem_connect_tones_rx_state_s::v21rx, modem_connect_tones_rx_state_s::z15hz_1, and modem_connect_tones_rx_state_s::znotch_1.
int modem_connect_tones_rx_release | ( | modem_connect_tones_rx_state_t * | s | ) |
Release an instance of the modem connect tones detector.
s | The context. |
int modem_connect_tones_tx_free | ( | modem_connect_tones_tx_state_t * | s | ) |
Free an instance of the modem connect tones generator.
s | The context. |
modem_connect_tones_tx_state_t * modem_connect_tones_tx_init | ( | modem_connect_tones_tx_state_t * | s, |
int | tone_type ) |
Initialise an instance of the modem connect tones generator.
s | The context. |
References dds_phase_rate(), dds_scaling_dbm0(), modem_connect_tones_tx_state_s::duration_timer, modem_connect_tones_tx_state_s::hop_timer, MODEM_CONNECT_TONES_ANS, MODEM_CONNECT_TONES_ANS_PR, MODEM_CONNECT_TONES_ANSAM, MODEM_CONNECT_TONES_ANSAM_PR, MODEM_CONNECT_TONES_BELL_ANS, MODEM_CONNECT_TONES_CALLING_TONE, and MODEM_CONNECT_TONES_FAX_CNG.
int modem_connect_tones_tx_release | ( | modem_connect_tones_tx_state_t * | s | ) |
Release an instance of the modem connect tones generator.
s | The context. |