t31_state_s Struct Reference

#include <t31.h>

Public Attributes
at_state_t	at_state
t31_modem_control_handler_t	modem_control_handler
void *	modem_control_user_data
t31_audio_front_end_state_t	audio
t31_t38_front_end_state_t	t38_fe
bool	t38_mode
struct {
uint8_t   buf [284]
	The HDLC transmit buffer.
int   len
int   ptr
bool   final
	True when the end of HDLC data from the computer has been detected.
}	hdlc_tx
struct {
uint8_t   buf [(4096)]
	The transmit buffer.
int   in_bytes
	The number of bytes stored in the transmit buffer.
int   out_bytes
	The number of bytes sent from the transmit buffer.
bool   data_started
	True if the flow of real data has started.
bool   holding
	True if holding up further data into the buffer, for flow control.
bool   final
	True when the end of non-ECM data from the computer has been detected.
}	non_ecm_tx
bool	dled
int	silence_awaited
	Samples of silence awaited, as specified in a "wait for silence" command.
int	bit_rate
	The current bit rate for the FAX fast message transfer modem.
bool	rx_frame_received
	True if a valid HDLC frame has been received in the current reception period.
int64_t	call_samples
	Samples elapsed in the current call.
int64_t	dte_data_timeout
int	modem
	The currently queued modem type.
bool	short_train
	True when short training mode has been selected by the computer.
queue_state_t *	rx_queue
logging_state_t	logging
	Error and flow logging control.

Detailed Description

T.31 descriptor. This defines the working state for a single instance of a T.31 FAX modem.

Member Data Documentation

buf

uint8_t t31_state_s::buf[(4096)]

The HDLC transmit buffer.

The transmit buffer.

dled

bool t31_state_s::dled

True if DLE prefix just used

final

bool t31_state_s::final

True when the end of HDLC data from the computer has been detected.

True when the end of non-ECM data from the computer has been detected.

[struct]

struct { ... } t31_state_s::hdlc_tx

HDLC buffer, for composing an HDLC frame from the computer to the channel.

[struct]

struct { ... } t31_state_s::non_ecm_tx

Buffer for data from the computer to the channel.

Referenced by t31_at_rx_free_space().

t38_mode

bool t31_state_s::t38_mode

True if working in T.38 mode.

Referenced by t31_init(), and t31_set_mode().

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The documentation for this struct was generated from the following file:

• private/t31.h