28 #if !defined(_SPANDSP_PRIVATE_V17TX_H_) 29 #define _SPANDSP_PRIVATE_V17TX_H_ 32 #define V17_TX_FILTER_STEPS 9 52 #if defined(SPANDSP_USE_FIXED_POINT) float gain
The gain factor needed to achieve the specified output power.
Definition: private/v17tx.h:61
int diff
The current state of the differential encoder.
Definition: private/v17tx.h:72
int in_training
Scrambler tap.
Definition: private/v17tx.h:83
const complexf_t * constellation
A pointer to the constellation currently in use.
Definition: private/v17tx.h:63
logging_state_t logging
Error and flow logging control.
Definition: private/v17tx.h:102
get_bit_func_t current_get_bit
The get_bit function in use at any instant.
Definition: private/v17tx.h:100
int bit_rate
The bit rate of the modem. Valid values are 4800, 7200 and 9600.
Definition: private/v17tx.h:41
int training_step
A counter used to track progress through sending the training sequence.
Definition: private/v17tx.h:87
int convolution
The current state of the convolutional encoder.
Definition: private/v17tx.h:74
uint32_t carrier_phase
The current phase of the carrier (i.e. the DDS parameter).
Definition: private/v17tx.h:90
Definition: private/v17tx.h:38
int rrc_filter_step
Current offset into the RRC pulse shaping filter buffer.
Definition: private/v17tx.h:69
modem_status_func_t status_handler
The callback function used to report modem status changes.
Definition: private/v17tx.h:48
void(* modem_status_func_t)(void *user_data, int status)
Definition: async.h:114
complexf_t rrc_filter[2 *9]
The root raised cosine (RRC) pulse shaping filter buffer.
Definition: private/v17tx.h:65
int(* get_bit_func_t)(void *user_data)
Definition: async.h:108
int bits_per_symbol
The current number of data bits per symbol. This does not include the redundant bit.
Definition: private/v17tx.h:98
int short_train
TRUE if the short training sequence is to be used.
Definition: private/v17tx.h:85
get_bit_func_t get_bit
The callback function used to get the next bit to be transmitted.
Definition: private/v17tx.h:43
#define V17_TX_FILTER_STEPS
Definition: private/v17tx.h:32
Definition: private/logging.h:33
void * status_user_data
A user specified opaque pointer passed to the status function.
Definition: private/v17tx.h:50
int constellation_state
The code number for the current position in the constellation.
Definition: private/v17tx.h:76
void * get_bit_user_data
A user specified opaque pointer passed to the get_bit function.
Definition: private/v17tx.h:45
int baud_phase
The current fractional phase of the baud timing.
Definition: private/v17tx.h:94
int32_t carrier_phase_rate
The update rate for the phase of the carrier (i.e. the DDS increment).
Definition: private/v17tx.h:92
uint32_t scramble_reg
The register for the data scrambler.
Definition: private/v17tx.h:79