| spandsp 0.0.6
    | 
#include <modem_connect_tones.h>
| Public Attributes | |
| int | tone_type | 
| The tone type being detected. | |
| tone_report_func_t | tone_callback | 
| Callback routine, using to report detection of the tone. | |
| void * | callback_data | 
| An opaque pointer passed to tone_callback. | |
| float | znotch_1 | 
| The notch filter state. | |
| float | znotch_2 | 
| float | z15hz_1 | 
| The 15Hz AM filter state. | |
| float | z15hz_2 | 
| int32_t | notch_level | 
| The in notch power estimate. | |
| int32_t | channel_level | 
| The total channel power estimate. | |
| int32_t | am_level | 
| The 15Hz AM power estimate. | |
| int | chunk_remainder | 
| Sample counter for the small chunks of samples, after which a test is conducted. | |
| int | tone_present | 
| TRUE is the tone is currently confirmed present in the audio. | |
| int | tone_on | 
| int | tone_cycle_duration | 
| A millisecond counter, to time the duration of tone sections. | |
| int | good_cycles | 
| A count of the number of good cycles of tone reversal seen. | |
| int | hit | 
| TRUE if the tone has been seen since the last time the user tested for it. | |
| fsk_rx_state_t | v21rx | 
| A V.21 FSK modem context used when searching for FAX preamble. | |
| unsigned int | raw_bit_stream | 
| The raw (stuffed) bit stream buffer. | |
| int | num_bits | 
| The current number of bits in the octet in progress. | |
| int | flags_seen | 
| Number of consecutive flags seen so far. | |
| int | framing_ok_announced | 
| TRUE if framing OK has been announced. | |
Modem connect tones receiver descriptor. This defines the state of a single working instance of the tone detector.