spandsp
0.0.6
|
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "spandsp/stdbool.h"
#include "floating_fudge.h"
#include <assert.h>
#include "spandsp/telephony.h"
#include "spandsp/fast_convert.h"
#include "spandsp/logging.h"
#include "spandsp/queue.h"
#include "spandsp/complex.h"
#include "spandsp/dds.h"
#include "spandsp/power_meter.h"
#include "spandsp/async.h"
#include "spandsp/crc.h"
#include "spandsp/fsk.h"
#include "spandsp/tone_detect.h"
#include "spandsp/tone_generate.h"
#include "spandsp/super_tone_rx.h"
#include "spandsp/dtmf.h"
#include "spandsp/adsi.h"
#include "spandsp/private/logging.h"
#include "spandsp/private/queue.h"
#include "spandsp/private/tone_generate.h"
#include "spandsp/private/async.h"
#include "spandsp/private/fsk.h"
#include "spandsp/private/dtmf.h"
#include "spandsp/private/adsi.h"
Macros | |
#define | BAUDOT_FIGURE_SHIFT 0x1B |
#define | BAUDOT_LETTER_SHIFT 0x1F |
Enumerations | |
enum | { SOH = 0x01, STX = 0x02, ETX = 0x03, DLE = 0x10, SUB = 0x1A } |
Functions | |
int | adsi_rx (adsi_rx_state_t *s, const int16_t amp[], int len) |
Receive a chunk of ADSI audio. More... | |
logging_state_t * | adsi_rx_get_logging_state (adsi_rx_state_t *s) |
Get the logging context associated with an ADSI receive context. More... | |
adsi_rx_state_t * | adsi_rx_init (adsi_rx_state_t *s, int standard, put_msg_func_t put_msg, void *user_data) |
Initialise an ADSI receive context. More... | |
int | adsi_rx_release (adsi_rx_state_t *s) |
Release an ADSI receive context. More... | |
int | adsi_rx_free (adsi_rx_state_t *s) |
Free the resources of an ADSI receive context. More... | |
int | adsi_tx (adsi_tx_state_t *s, int16_t amp[], int max_len) |
Generate a block of ADSI audio samples. More... | |
void | adsi_tx_send_alert_tone (adsi_tx_state_t *s) |
Request generation of an ADSI alert tone. More... | |
void | adsi_tx_set_preamble (adsi_tx_state_t *s, int preamble_len, int preamble_ones_len, int postamble_ones_len, int stop_bits) |
Adjust the preamble associated with an ADSI transmit context. More... | |
int | adsi_tx_put_message (adsi_tx_state_t *s, const uint8_t *msg, int len) |
Put a message into the input buffer of an ADSI transmit context. More... | |
logging_state_t * | adsi_tx_get_logging_state (adsi_tx_state_t *s) |
adsi_tx_state_t * | adsi_tx_init (adsi_tx_state_t *s, int standard) |
Initialise an ADSI transmit context. More... | |
int | adsi_tx_release (adsi_tx_state_t *s) |
Release an ADSI transmit context. More... | |
int | adsi_tx_free (adsi_tx_state_t *s) |
Free the resources of an ADSI transmit context. More... | |
int | adsi_next_field (adsi_rx_state_t *s, const uint8_t *msg, int msg_len, int pos, uint8_t *field_type, uint8_t const **field_body, int *field_len) |
Get a field from an ADSI message. More... | |
int | adsi_add_field (adsi_tx_state_t *s, uint8_t *msg, int len, uint8_t field_type, uint8_t const *field_body, int field_len) |
Insert the header or a field into an ADSI message. More... | |
const char * | adsi_standard_to_str (int standard) |
Return a short name for an ADSI standard. More... | |
#define BAUDOT_FIGURE_SHIFT 0x1B |
The baudot code to shift from alpha to digits and symbols
#define BAUDOT_LETTER_SHIFT 0x1F |
The baudot code to shift from digits and symbols to alpha
int adsi_add_field | ( | adsi_tx_state_t * | s, |
uint8_t * | msg, | ||
int | len, | ||
uint8_t | field_type, | ||
uint8_t const * | field_body, | ||
int | field_len | ||
) |
Insert the header or a field into an ADSI message.
s | The ADSI transmit context. |
msg | The message buffer. |
len | The current length of the message. |
field_type | The type code for the new field. |
field_body | Pointer to the body of the new field. |
field_len | The length of the new field. |
int adsi_next_field | ( | adsi_rx_state_t * | s, |
const uint8_t * | msg, | ||
int | msg_len, | ||
int | pos, | ||
uint8_t * | field_type, | ||
uint8_t const ** | field_body, | ||
int * | field_len | ||
) |
Get a field from an ADSI message.
s | The ADSI receive context. |
msg | The message buffer. |
msg_len | The length of the message. |
pos | Current position within the message. Set to -1 when starting a message. |
field_type | The type code for the field. |
field_body | Pointer to the body of the field. |
field_len | The length of the field, or -1 for no more fields, or -2 for message structure corrupt. |
int adsi_rx | ( | adsi_rx_state_t * | s, |
const int16_t | amp[], | ||
int | len | ||
) |
Receive a chunk of ADSI audio.
s | The ADSI receive context. |
amp | The audio sample buffer. |
len | The number of samples in the buffer. |
int adsi_rx_free | ( | adsi_rx_state_t * | s | ) |
Free the resources of an ADSI receive context.
s | The ADSI receive context. |
logging_state_t* adsi_rx_get_logging_state | ( | adsi_rx_state_t * | s | ) |
Get the logging context associated with an ADSI receive context.
Get the logging context associated with an ADSI receive context.
s | The ADSI receive context. |
adsi_rx_state_t* adsi_rx_init | ( | adsi_rx_state_t * | s, |
int | standard, | ||
put_msg_func_t | put_msg, | ||
void * | user_data | ||
) |
Initialise an ADSI receive context.
s | The ADSI receive context. |
standard | The code for the ADSI standard to be used. |
put_msg | A callback routine called to deliver the received messages to the application. |
user_data | An opaque pointer for the callback routine. |
int adsi_rx_release | ( | adsi_rx_state_t * | s | ) |
Release an ADSI receive context.
s | The ADSI receive context. |
const char* adsi_standard_to_str | ( | int | standard | ) |
Return a short name for an ADSI standard.
standard | The code for the standard. |
int adsi_tx | ( | adsi_tx_state_t * | s, |
int16_t | amp[], | ||
int | max_len | ||
) |
Generate a block of ADSI audio samples.
s | The ADSI transmit context. |
amp | The audio sample buffer. |
max_len | The number of samples to be generated. |
int adsi_tx_free | ( | adsi_tx_state_t * | s | ) |
Free the resources of an ADSI transmit context.
s | The ADSI transmit context. |
adsi_tx_state_t* adsi_tx_init | ( | adsi_tx_state_t * | s, |
int | standard | ||
) |
Initialise an ADSI transmit context.
s | The ADSI transmit context. |
standard | The code for the ADSI standard to be used. |
int adsi_tx_put_message | ( | adsi_tx_state_t * | s, |
const uint8_t * | msg, | ||
int | len | ||
) |
Put a message into the input buffer of an ADSI transmit context.
s | The ADSI transmit context. |
msg | The message. |
len | The length of the message. |
int adsi_tx_release | ( | adsi_tx_state_t * | s | ) |
Release an ADSI transmit context.
s | The ADSI transmit context. |
void adsi_tx_send_alert_tone | ( | adsi_tx_state_t * | s | ) |
Request generation of an ADSI alert tone.
s | The ADSI transmit context. |
void adsi_tx_set_preamble | ( | adsi_tx_state_t * | s, |
int | preamble_len, | ||
int | preamble_ones_len, | ||
int | postamble_ones_len, | ||
int | stop_bits | ||
) |
Adjust the preamble associated with an ADSI transmit context.
s | The ADSI transmit context. |
preamble_len | The number of bits of preamble. |
preamble_ones_len | The number of bits of continuous one before a message. |
postamble_ones_len | The number of bits of continuous one after a message. |
stop_bits | The number of stop bits per character. |