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spandsp 3.0.0
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#include <inttypes.h>#include <stdlib.h>#include <string.h>#include <assert.h>#include "spandsp/stdbool.h"#include "spandsp/telephony.h"#include "spandsp/alloc.h"#include "spandsp/bit_operations.h"#include "spandsp/async.h"#include "spandsp/private/async.h"Functions | |
| const char * | signal_status_to_str (int status) |
| Convert a signal status to a short text description. | |
| void | async_rx_put_bit (void *user_data, int bit) |
| Accept a bit from a received serial bit stream. | |
| async_rx_state_t * | async_rx_init (async_rx_state_t *s, int data_bits, int parity, int stop_bits, bool use_v14, put_byte_func_t put_byte, void *user_data) |
| Initialise an asynchronous data receiver context. | |
| int | async_rx_release (async_rx_state_t *s) |
| int | async_rx_free (async_rx_state_t *s) |
| int | async_tx_get_bit (void *user_data) |
| Get the next bit of a transmitted serial bit stream. | |
| void | async_tx_presend_bits (async_tx_state_t *s, int bits) |
| Set a minimum number of bit times of stop bit state before character transmission commences. | |
| async_tx_state_t * | async_tx_init (async_tx_state_t *s, int data_bits, int parity, int stop_bits, bool use_v14, get_byte_func_t get_byte, void *user_data) |
| Initialise an asynchronous data transmit context. | |
| int | async_tx_release (async_tx_state_t *s) |
| int | async_tx_free (async_tx_state_t *s) |
| async_rx_state_t * async_rx_init | ( | async_rx_state_t * | s, |
| int | data_bits, | ||
| int | parity_bits, | ||
| int | stop_bits, | ||
| bool | use_v14, | ||
| put_byte_func_t | put_byte, | ||
| void * | user_data ) |
Initialise an asynchronous data receiver context.
Initialise an asynchronous data receiver context.
| s | The receiver context. |
| data_bits | The number of data bits. |
| parity_bits | The type of parity. |
| stop_bits | The number of stop bits. |
| use_v14 | True if V.14 rate adaption processing should be used. |
| put_byte | The callback routine used to put the received data. |
| user_data | An opaque pointer. |
References async_rx_state_s::bitpos, async_rx_state_s::byte_in_progress, async_rx_state_s::data_bits, async_rx_state_s::framing_errors, async_rx_state_s::parity, async_rx_state_s::parity_bit, async_rx_state_s::parity_errors, async_rx_state_s::put_byte, async_rx_state_s::stop_bits, async_rx_state_s::use_v14, and async_rx_state_s::user_data.
| void async_rx_put_bit | ( | void * | user_data, |
| int | bit ) |
Accept a bit from a received serial bit stream.
Accept a bit from a received serial bit stream
| user_data | An opaque point which must point to a receiver context. |
| bit | The new bit. Some special values are supported for this field.
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References ASYNC_PARITY_ODD, async_rx_state_s::bitpos, async_rx_state_s::byte_in_progress, async_rx_state_s::data_bits, async_rx_state_s::framing_errors, async_rx_state_s::parity, async_rx_state_s::parity_bit, async_rx_state_s::parity_errors, async_rx_state_s::put_byte, SIG_STATUS_CARRIER_DOWN, SIG_STATUS_CARRIER_UP, SIG_STATUS_END_OF_DATA, SIG_STATUS_TRAINING_FAILED, SIG_STATUS_TRAINING_IN_PROGRESS, SIG_STATUS_TRAINING_SUCCEEDED, async_rx_state_s::use_v14, and async_rx_state_s::user_data.
| int async_tx_get_bit | ( | void * | user_data | ) |
Get the next bit of a transmitted serial bit stream.
Get the next bit of a transmitted serial bit stream.
| user_data | An opaque point which must point to a transmitter context. |
References ASYNC_PARITY_NONE, ASYNC_PARITY_ODD, async_tx_state_s::bitpos, async_tx_state_s::byte_in_progress, async_tx_state_s::data_bits, async_tx_state_s::get_byte, async_tx_state_s::parity, async_tx_state_s::presend_bits, SIG_STATUS_LINK_IDLE, async_tx_state_s::total_bits, and async_tx_state_s::user_data.
Referenced by v18_init().
| async_tx_state_t * async_tx_init | ( | async_tx_state_t * | s, |
| int | data_bits, | ||
| int | parity_bits, | ||
| int | stop_bits, | ||
| bool | use_v14, | ||
| get_byte_func_t | get_byte, | ||
| void * | user_data ) |
Initialise an asynchronous data transmit context.
Initialise an asynchronous data transmit context.
| s | The transmitter context. |
| data_bits | The number of data bit. |
| parity_bits | The type of parity. |
| stop_bits | The number of stop bits. |
| use_v14 | True if V.14 rate adaption processing should be used. |
| get_byte | The callback routine used to get the data to be transmitted. |
| user_data | An opaque pointer. |
References ASYNC_PARITY_NONE, async_tx_state_s::bitpos, async_tx_state_s::byte_in_progress, async_tx_state_s::data_bits, async_tx_state_s::get_byte, async_tx_state_s::parity, async_tx_state_s::presend_bits, async_tx_state_s::total_bits, and async_tx_state_s::user_data.
Referenced by v18_init().
| void async_tx_presend_bits | ( | async_tx_state_t * | s, |
| int | bits ) |
Set a minimum number of bit times of stop bit state before character transmission commences.
Set a minimum number of bit times of stop bit state before character transmission commences.
| user_data | An opaque point which must point to a transmitter context. |
| the | number of bits. |
References async_tx_state_s::presend_bits.
| const char * signal_status_to_str | ( | int | status | ) |
Convert a signal status to a short text description.
Convert a signal status to a short text description.
| status | The modem signal status. |
References SIG_STATUS_ABORT, SIG_STATUS_BREAK, SIG_STATUS_CARRIER_DOWN, SIG_STATUS_CARRIER_UP, SIG_STATUS_END_OF_DATA, SIG_STATUS_FRAMING_OK, SIG_STATUS_LINK_CONNECTED, SIG_STATUS_LINK_DISCONNECTED, SIG_STATUS_LINK_ERROR, SIG_STATUS_LINK_IDLE, SIG_STATUS_MODEM_RETRAIN_OCCURRED, SIG_STATUS_OCTET_REPORT, SIG_STATUS_POOR_SIGNAL_QUALITY, SIG_STATUS_SHUTDOWN_COMPLETE, SIG_STATUS_TRAINING_FAILED, SIG_STATUS_TRAINING_IN_PROGRESS, and SIG_STATUS_TRAINING_SUCCEEDED.
Referenced by t85_decode_rx_status().