v22bis_state_t Struct Reference

#include <v22bis.h>

List of all members.

Public Attributes
int	bit_rate
	The bit rate of the modem. Valid values are 1200 and 2400.
int	caller
	TRUE is this is the calling side modem.
put_bit_func_t	put_bit
	The callback function used to put each bit received.
get_bit_func_t	get_bit
	The callback function used to get the next bit to be transmitted.
void *	user_data
	A user specified opaque pointer passed to the callback routines.
qam_report_handler_t *	qam_report
	A callback function which may be enabled to report every symbol's constellation position.
void *	qam_user_data
	A user specified opaque pointer passed to the qam_report callback routine.
float	rx_rrc_filter [2 *V22BIS_RX_FILTER_STEPS]
	The route raised cosine (RRC) pulse shaping filter buffer.
int	rx_rrc_filter_step
	Current offset into the RRC pulse shaping filter buffer.
unsigned int	rx_scramble_reg
	The register for the data scrambler.
int	rx_scrambler_pattern_count
	A counter for the number of consecutive bits of repeating pattern through the scrambler.
int	rx_training
	0 if receiving user data. A training stage value during training
int	rx_training_count
float	training_error
int	signal_present
	>0 if a signal above the minimum is present. It may or may not be a V.22bis signal.
uint32_t	rx_carrier_phase
	The current phase of the carrier (i.e. the DDS parameter).
int32_t	rx_carrier_phase_rate
	The update rate for the phase of the carrier (i.e. the DDS increment).
float	carrier_track_p
float	carrier_track_i
power_meter_t	rx_power
int32_t	carrier_on_power
int32_t	carrier_off_power
float	agc_scaling
int	rx_constellation_state
float	eq_delta
complexf_t	eq_coeff [2 *V22BIS_EQUALIZER_LEN+1]
	The adaptive equalizer coefficients.
complexf_t	eq_buf [V22BIS_EQUALIZER_MASK+1]
int	eq_step
	Current offset into equalizer buffer.
int	eq_put_step
int	gardner_integrate
	Integration variable for damping the Gardner algorithm tests.
int	gardner_step
	Current step size of Gardner algorithm integration.
int	total_baud_timing_correction
	The total symbol timing correction since the carrier came up. This is only for performance analysis purposes.
int	rx_baud_phase
	The current fractional phase of the baud timing.
int	sixteen_way_decisions
float	tx_gain
	The gain factor needed to achieve the specified output power.
complexf_t	tx_rrc_filter [2 *V22BIS_TX_FILTER_STEPS]
	The route raised cosine (RRC) pulse shaping filter buffer.
int	tx_rrc_filter_step
	Current offset into the RRC pulse shaping filter buffer.
unsigned int	tx_scramble_reg
	The register for the data scrambler.
int	tx_scrambler_pattern_count
	A counter for the number of consecutive bits of repeating pattern through the scrambler.
int	tx_training
	0 if transmitting user data. A training stage value during training
int	tx_training_count
	A counter used to track progress through sending the training sequence.
uint32_t	tx_carrier_phase
	The current phase of the carrier (i.e. the DDS parameter).
int32_t	tx_carrier_phase_rate
	The update rate for the phase of the carrier (i.e. the DDS increment).
uint32_t	guard_phase
	The current phase of the guard tone (i.e. the DDS parameter).
int32_t	guard_phase_rate
	The update rate for the phase of the guard tone (i.e. the DDS increment).
float	guard_level
int	tx_baud_phase
	The current fractional phase of the baud timing.
int	tx_constellation_state
	The code number for the current position in the constellation.
int	shutdown
	An indicator to mark that we are tidying up to stop transmission.
get_bit_func_t	current_get_bit
	The get_bit function in use at any instant.
int	detected_unscrambled_ones
int	detected_unscrambled_zeros
int	detected_unscrambled_ones_or_zeros
int	detected_unscrambled_0011_ending
int	detected_scrambled_ones_or_zeros_at_1200bps
int	detected_scrambled_ones_at_2400bps
logging_state_t	logging
	Error and flow logging control.

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Detailed Description

V.22bis modem receive side descriptor. This defines the working state for a single instance of a V.22bis modem receiver.

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

• v22bis.h

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