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_put_bit_func_t | put_bit | |
The callback function used to put each bit received. | ||
void * | put_bit_user_data | |
A user specified opaque pointer passed to the put_bit routine. | ||
span_put_bit_func_t | put_aux_bit | |
The callback function used to put each aux bit received. | ||
void * | put_aux_bit_user_data | |
A user specified opaque pointer passed to the put_aux_bit routine. | ||
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. | ||
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. | ||
int | stage | |
int | received_event | |
uint32_t | scramble_reg | |
The register for the data scrambler. | ||
int | scrambler_tap | |
The scrambler tap which selects between the caller and answerer scramblers. | ||
uint16_t | v0_pattern | |
power_meter_t | power | |
A power meter, to measure the HPF'ed signal power in the channel. | ||
int32_t | carrier_on_power | |
The power meter level at which carrier on is declared. | ||
int32_t | carrier_off_power | |
The power meter level at which carrier off is declared. | ||
bool | signal_present | |
bitstream_state_t | bs | |
uint32_t | bitstream | |
uint32_t | r0 | |
Mapping frame output. | ||
uint16_t | qbits [8] | |
uint16_t | ibits [4] | |
int | mjk [8] | |
(x0,y0) (x1,y1)... | ||
int | step_2d | |
v34_parameters_t | parms | |
Parameters for the current bit rate and baud rate. | ||
complexi16_t | yt | |
yt's are the noise corrupted points fed to the viterbi decoder. Assumed to have format 9:7 (7 fractional bits) | ||
complexi16_t | xt [4] | |
complexi16_t | x [3] | |
complexi16_t | h [3] | |
complexi16_t | xy [2][4] | |
These are quantized points in the respective 2D coset (0,1,2,3) | ||
viterbi_t | viterbi | |
int16_t | ww [3] | |
ww contains old z, current z and current w | ||
uint32_t | carrier_phase | |
The current phase of the carrier (i.e. the DDS parameter). | ||
int32_t | carrier_phase_rate_save | |
The carrier update rate saved for reuse when using short training. | ||
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). | ||
float | rrc_filter [27] | |
The root raised cosine (RRC) pulse shaping filter buffer. | ||
int | rrc_filter_step | |
Current offset into the RRC pulse shaping filter buffer. | ||
int | eq_step | |
Current read offset into the equalizer buffer. | ||
int | eq_put_step | |
Current write offset into the equalizer buffer. | ||
int | shaper_sets | |
float | agc_scaling | |
The scaling factor assessed by the AGC algorithm. | ||
float | agc_scaling_save | |
The previous value of agc_scaling, needed to reuse old training. | ||
ted_t | pri_ted | |
ted_t | cc_ted | |
float | carrier_track_p | |
The proportional part of the carrier tracking filter. | ||
float | carrier_track_i | |
The integral part of the carrier tracking filter. | ||
const v34_rx_shaper_t * | shaper_re | |
const v34_rx_shaper_t * | shaper_im | |
int | total_baud_timing_correction | |
The total symbol timing correction since the carrier came up. This is only for performance analysis purposes. | ||
int | baud_half | |
The current half of the baud. | ||
int | round_trip_delay_estimate | |
The measured round trip delay estimate, in sample times. | ||
int | duration | |
int | bit_count | |
int | target_bits | |
uint16_t | crc | |
uint32_t | last_angles [2] | |
uint8_t | info_buf [25] | |
Buffer for receiving info frames. | ||
int | super_frame | |
int | data_frame | |
int | s_bit_cnt | |
int | aux_bit_cnt | |
uint8_t | rxbuf [50] | |
int | rxbits | |
int | rxptr | |
int | blip_duration | |
v34_capabilities_t | far_capabilities | |
int | carrier_drop_pending | |
Whether or not a carrier drop was detected and the signal delivery is pending. | ||
int | low_samples | |
A count of the current consecutive samples below the carrier off threshold. | ||
int16_t | high_sample | |
A highest magnitude sample seen. | ||
bool | info0_acknowledgement | |
union { | ||
info1a_t info1a | ||
info1c_t info1c | ||
infoh_t infoh | ||
}; | ||
int | step | |
int | persistence1 | |
int | persistence2 | |
int | mp_count | |
int | mp_len | |
int | mp_and_fill_len | |
int | mp_seen | |
int | dft_ptr | |
complexf_t | dft_buffer [160] | |
float | l1_l2_gains [25] | |
float | l1_l2_phases [25] | |
float | base_phase | |
complexf_t | last_sample | |
int | l1_l2_duration | |
int | current_demodulator | |
span_sample_timer_t | sample_time | |
Used to align the transmit and receive positions, to ensure things like round trip delay are properly handled. | ||
span_sample_timer_t | tone_ab_hop_time | |
logging_state_t * | logging | |
bool v34_rx_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_rx_state_t::half_duplex_state |
The current operating state when in half-duplex mode
Referenced by v34_half_duplex_change_mode().