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().