spandsp 3.0.0
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Public Attributes | |
bool | calling_party |
True if this is the calling side modem. | |
bool | duplex |
True if this is a full duplex modem. | |
bool | half_duplex_source |
bool | half_duplex_state |
int | bit_rate |
span_get_bit_func_t | get_bit |
The callback function used to get the next bit to be transmitted. | |
void * | get_bit_user_data |
A user specified opaque pointer passed to the get_bit function. | |
span_get_bit_func_t | get_aux_bit |
The callback function used to get the next aux channel bit to be transmitted. | |
void * | get_aux_bit_user_data |
A user specified opaque pointer passed to the get_aux_bit function. | |
int | baud_rate |
The current baud rate selection, as a value from 0 to 5. | |
bool | high_carrier |
True if using the higher of the two carrier frequency options. | |
uint32_t | scramble_reg |
The register for the data scrambler. | |
int | scrambler_tap |
The scrambler tap which selects between the caller and answerer scramblers. | |
bool | use_non_linear_encoder |
complexf_t(* | current_getbaud )(v34_state_t *s) |
uint32_t | r0 |
Mapping frame parsed input. | |
uint16_t | qbits [8] |
uint16_t | ibits [4] |
int | mjk [8] |
(x0,y0) (x1,y1)... | |
int | step_2d |
bitstream_state_t | bs |
uint32_t | bitstream |
int | i |
v34_parameters_t | parms |
Parameters for the current bit rate and baud rate. | |
complexi16_t | x [8+3] |
We need to remember some old x values in the C code: x[0] x[1] x[2] x[3] x[4] x[5] x[6] x[7] x[8] x[9] x[10] in V.34: x[-3] x[-2] x[-1] x[0] x[1] x[2] x[3] x[4] x[5] x[6] x[7]. | |
complexi16_t | precoder_coeffs [3] |
Precoder coefficients. | |
complexi16_t | c |
complexi16_t | p |
int | z |
int | y0 |
int | state |
float | gain |
float | rrc_filter_re [9] |
The root raised cosine (RRC) pulse shaping filter buffer. | |
float | rrc_filter_im [9] |
complexf_t | lastbit |
int | rrc_filter_step |
Current offset into the RRC pulse shaping filter buffer. | |
uint32_t | carrier_phase |
The current phase of the carrier (i.e. the DDS parameter). | |
int32_t | cc_carrier_phase_rate |
The update rate for the phase of the control channel carrier (i.e. the DDS increment). | |
int32_t | v34_carrier_phase_rate |
The update rate for the phase of the V.34 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 |
Guard tone signal level. | |
int | baud_phase |
The current fractional phase of the baud timing. | |
int | stage |
int | convolution |
int | training_stage |
int | current_modulator |
int | diff |
int | line_probe_cycles |
int | line_probe_step |
float | line_probe_scaling |
int | tone_duration |
int | super_frame |
int | data_frame |
int | s_bit_cnt |
int | aux_bit_cnt |
uint16_t | v0_pattern |
uint8_t | txbuf [50] |
int | txbits |
int | txptr |
const conv_encode_table_t * | conv_encode_table |
bool | info0_acknowledgement |
union { | |
info1a_t info1a | |
info1c_t info1c | |
infoh_t infoh | |
}; | |
union { | |
mp_t mp | |
mph_t mph | |
}; | |
int | persistence2 |
span_get_bit_func_t | current_get_bit |
The get_bit function in use at any instant. | |
span_sample_timer_t | sample_time |
Used to align the transmit and receive positions, to ensure things like round trip delay are properly handled. | |
logging_state_t * | logging |
bool v34_tx_state_t::half_duplex_source |
The current source end when in half-duplex mode
Referenced by v34_half_duplex_change_mode(), and v34_restart().
bool v34_tx_state_t::half_duplex_state |
The current operating state when in half-duplex mode
Referenced by v34_half_duplex_change_mode().