#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <stdio.h>
#include <tgmath.h>
#include <math.h>
#include "floating_fudge.h"
#include "spandsp/telephony.h"
#include "spandsp/logging.h"
#include "spandsp/complex.h"
#include "spandsp/vector_float.h"
#include "spandsp/complex_vector_float.h"
#include "spandsp/vector_int.h"
#include "spandsp/complex_vector_int.h"
#include "spandsp/async.h"
#include "spandsp/power_meter.h"
#include "spandsp/arctan2.h"
#include "spandsp/dds.h"
#include "spandsp/complex_filters.h"
#include "spandsp/v29rx.h"
#include "spandsp/v27ter_rx.h"
#include "spandsp/private/logging.h"
#include "spandsp/private/v27ter_rx.h"
#include "v27ter_rx_4800_floating_rrc.h"
#include "v27ter_rx_2400_floating_rrc.h"
Defines | |
#define | IAXMODEM_STUFF |
#define | CARRIER_NOMINAL_FREQ 1800.0f |
#define | BAUD_RATE_2400 1200 |
#define | BAUD_RATE_4800 1600 |
#define | EQUALIZER_DELTA 0.25f |
#define | V27TER_TRAINING_SEG_3_LEN 50 |
#define | V27TER_TRAINING_SEG_5_LEN 1074 |
#define | V27TER_TRAINING_SEG_6_LEN 8 |
#define | V27TER_EQUALIZER_LEN (V27TER_EQUALIZER_PRE_LEN + 1 + V27TER_EQUALIZER_POST_LEN) |
Enumerations | |
enum | { TRAINING_STAGE_NORMAL_OPERATION = 0, TRAINING_STAGE_SYMBOL_ACQUISITION, TRAINING_STAGE_LOG_PHASE, TRAINING_STAGE_WAIT_FOR_HOP, TRAINING_STAGE_TRAIN_ON_ABAB, TRAINING_STAGE_TEST_ONES, TRAINING_STAGE_PARKED } |
Functions | |
float | v27ter_rx_carrier_frequency (v27ter_rx_state_t *s) |
float | v27ter_rx_symbol_timing_correction (v27ter_rx_state_t *s) |
float | v27ter_rx_signal_power (v27ter_rx_state_t *s) |
void | v27ter_rx_signal_cutoff (v27ter_rx_state_t *s, float cutoff) |
int | v27ter_rx_equalizer_state (v27ter_rx_state_t *s, complexf_t **coeffs) |
int | v27ter_rx (v27ter_rx_state_t *s, const int16_t amp[], int len) |
int | v27ter_rx_fillin (v27ter_rx_state_t *s, int len) |
void | v27ter_rx_set_put_bit (v27ter_rx_state_t *s, put_bit_func_t put_bit, void *user_data) |
void | v27ter_rx_set_modem_status_handler (v27ter_rx_state_t *s, modem_tx_status_func_t handler, void *user_data) |
logging_state_t * | v27ter_rx_get_logging_state (v27ter_rx_state_t *s) |
int | v27ter_rx_restart (v27ter_rx_state_t *s, int bit_rate, int old_train) |
v27ter_rx_state_t * | v27ter_rx_init (v27ter_rx_state_t *s, int bit_rate, put_bit_func_t put_bit, void *user_data) |
int | v27ter_rx_release (v27ter_rx_state_t *s) |
int | v27ter_rx_free (v27ter_rx_state_t *s) |
void | v27ter_rx_set_qam_report_handler (v27ter_rx_state_t *s, qam_report_handler_t handler, void *user_data) |
#define BAUD_RATE_2400 1200 |
The nominal baud or symbol rate in 2400bps mode
#define BAUD_RATE_4800 1600 |
The nominal baud or symbol rate in 4800bps mode
#define CARRIER_NOMINAL_FREQ 1800.0f |
The nominal frequency of the carrier, in Hertz
#define EQUALIZER_DELTA 0.25f |
The adaption rate coefficient for the equalizer
#define V27TER_EQUALIZER_LEN (V27TER_EQUALIZER_PRE_LEN + 1 + V27TER_EQUALIZER_POST_LEN) |
The length of the equalizer buffer
#define V27TER_TRAINING_SEG_3_LEN 50 |
The length of training segment 3, in symbols
#define V27TER_TRAINING_SEG_5_LEN 1074 |
The length of training segment 5, in symbols
#define V27TER_TRAINING_SEG_6_LEN 8 |
The length of training segment 6, in symbols