Added protection against false tone detection.

[lcr.git] / ss5.h

diff --git a/ss5.h b/ss5.h
index 238501f..b1cc215 100644 (file)
--- a/ss5.h
+++ b/ss5.h
@@ -34,7 +34,8 @@ class Pss5 : public PmISDN
        char p_m_s_dial[64]; /* current dialing register */
        int p_m_s_digit_i; /* current digit of register counter */
        int p_m_s_pulsecount; /* counts pule dialing half cycles */
-       char p_m_s_last_digit; /* stores last digit to fill short signal losses */
+       char p_m_s_last_digit; /* stores last digit that was detected, to fill short signal losses */
+       char p_m_s_last_digit_used; /* stores last digit that was used, to ignore short changes of signal due to noise */
        int p_m_s_signal_loss; /* sample counter for loss of signal check */
        int p_m_s_decoder_count; /* samples currently decoded */
        unsigned char p_m_s_decoder_buffer[SS5_DECODER_NPOINTS]; /* buffer for storing one goertzel window */
@@ -76,6 +77,8 @@ class Pss5 : public PmISDN
        void message_disconnect(unsigned int epoint_id, int message_id, union parameter *param);
        void message_release(unsigned int epoint_id, int message_id, union parameter *param);
 
+       void register_timeout(void);
+
 };
 
 #define new_ss5_state(a) _new_ss5_state(a, __FUNCTION__, __LINE__)