spandsp 0.0.6
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#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include "floating_fudge.h"
#include <assert.h>
#include "spandsp/telephony.h"
#include "spandsp/complex.h"
#include "spandsp/dds.h"
#include "spandsp/power_meter.h"
#include "spandsp/async.h"
#include "spandsp/fsk.h"
#include "spandsp/private/fsk.h"
Functions | |
int | fsk_tx_restart (fsk_tx_state_t *s, const fsk_spec_t *spec) |
fsk_tx_state_t * | fsk_tx_init (fsk_tx_state_t *s, const fsk_spec_t *spec, get_bit_func_t get_bit, void *user_data) |
Initialise an FSK modem transmit context. More... | |
int | fsk_tx_release (fsk_tx_state_t *s) |
int | fsk_tx_free (fsk_tx_state_t *s) |
int | fsk_tx (fsk_tx_state_t *s, int16_t amp[], int len) |
void | fsk_tx_power (fsk_tx_state_t *s, float power) |
Adjust an FSK modem transmit context's power output. More... | |
void | fsk_tx_set_get_bit (fsk_tx_state_t *s, get_bit_func_t get_bit, void *user_data) |
void | fsk_tx_set_modem_status_handler (fsk_tx_state_t *s, modem_status_func_t handler, void *user_data) |
Change the modem status report function associated with an FSK modem transmit context. More... | |
void | fsk_rx_signal_cutoff (fsk_rx_state_t *s, float cutoff) |
Adjust an FSK modem receive context's carrier detect power threshold. More... | |
float | fsk_rx_signal_power (fsk_rx_state_t *s) |
void | fsk_rx_set_put_bit (fsk_rx_state_t *s, put_bit_func_t put_bit, void *user_data) |
void | fsk_rx_set_modem_status_handler (fsk_rx_state_t *s, modem_status_func_t handler, void *user_data) |
Change the modem status report function associated with an FSK modem receive context. More... | |
int | fsk_rx_restart (fsk_rx_state_t *s, const fsk_spec_t *spec, int framing_mode) |
fsk_rx_state_t * | fsk_rx_init (fsk_rx_state_t *s, const fsk_spec_t *spec, int framing_mode, put_bit_func_t put_bit, void *user_data) |
Initialise an FSK modem receive context. More... | |
int | fsk_rx_release (fsk_rx_state_t *s) |
int | fsk_rx_free (fsk_rx_state_t *s) |
int | fsk_rx (fsk_rx_state_t *s, const int16_t *amp, int len) |
int | fsk_rx_fillin (fsk_rx_state_t *s, int len) |
Variables | |
const fsk_spec_t | preset_fsk_specs [] |
fsk_rx_state_t * fsk_rx_init | ( | fsk_rx_state_t * | s, |
const fsk_spec_t * | spec, | ||
int | framing_mode, | ||
put_bit_func_t | put_bit, | ||
void * | user_data | ||
) |
Initialise an FSK modem receive context.
Initialise an FSK modem receive context.
s | The modem context. |
spec | The specification of the modem tones and rate. |
framing_mode | 0 for fully asynchronous mode. 1 for synchronous mode. >1 for this many bits per asynchronous character frame. |
put_bit | The callback routine used to put the received data. |
user_data | An opaque pointer. |
void fsk_rx_set_modem_status_handler | ( | fsk_rx_state_t * | s, |
modem_status_func_t | handler, | ||
void * | user_data | ||
) |
Change the modem status report function associated with an FSK modem receive context.
Change the modem status report function associated with an FSK modem receive context.
s | The modem context. |
handler | The callback routine used to report modem status changes. |
user_data | An opaque pointer. |
References fsk_rx_state_s::status_handler, and fsk_rx_state_s::status_user_data.
void fsk_rx_signal_cutoff | ( | fsk_rx_state_t * | s, |
float | cutoff | ||
) |
Adjust an FSK modem receive context's carrier detect power threshold.
Adjust an FSK modem receive context's carrier detect power threshold.
s | The modem context. |
cutoff | The power level, in dBm0 |
References power_meter_level_dbm0().
float fsk_rx_signal_power | ( | fsk_rx_state_t * | s | ) |
Get the current received signal power.
s | The modem context. |
References power_meter_current_dbm0().
fsk_tx_state_t * fsk_tx_init | ( | fsk_tx_state_t * | s, |
const fsk_spec_t * | spec, | ||
get_bit_func_t | get_bit, | ||
void * | user_data | ||
) |
Initialise an FSK modem transmit context.
Initialise an FSK modem transmit context.
s | The modem context. |
spec | The specification of the modem tones and rate. |
get_bit | The callback routine used to get the data to be transmitted. |
user_data | An opaque pointer. |
void fsk_tx_power | ( | fsk_tx_state_t * | s, |
float | power | ||
) |
Adjust an FSK modem transmit context's power output.
Adjust an FSK modem transmit context's power output.
s | The modem context. |
power | The power level, in dBm0 |
void fsk_tx_set_modem_status_handler | ( | fsk_tx_state_t * | s, |
modem_status_func_t | handler, | ||
void * | user_data | ||
) |
Change the modem status report function associated with an FSK modem transmit context.
Change the modem status report function associated with an FSK modem transmit context.
s | The modem context. |
handler | The callback routine used to report modem status changes. |
user_data | An opaque pointer. |
References fsk_tx_state_s::status_handler, and fsk_tx_state_s::status_user_data.