1 /*****************************************************************************\
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** ss5-port header file **
10 \*****************************************************************************/
12 #define SS5_ENABLE 0x00000001
13 #define SS5_FEATURE_CONNECT 0x00000002
14 #define SS5_FEATURE_NODISCONNECT 0x00000004
15 #define SS5_FEATURE_RELEASEGUARDTIMER 0x00000008
16 #define SS5_FEATURE_BELL 0x00000010
17 #define SS5_FEATURE_PULSEDIALING 0x00000020
18 #define SS5_FEATURE_DELAY 0x00000040
19 #define SS5_FEATURE_STAR_RELEASE 0x00000080
20 #define SS5_FEATURE_SUPPRESS 0x00000100
22 /* SS5 port classes */
23 class Pss5 : public PmISDN
26 Pss5(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive, int mode);
28 int message_epoint(unsigned int epoint_id, int message, union parameter *param);
29 void set_tone(const char *dir, const char *name);
31 int p_m_s_state; /* current signalling state */
32 int p_m_s_signal; /* current state of current signal */
33 char p_m_s_dial[64]; /* current dialing register */
34 int p_m_s_digit_i; /* current digit of register counter */
35 int p_m_s_pulsecount; /* counts pule dialing half cycles */
36 char p_m_s_last_digit; /* stores last digit that was detected, to fill short signal losses */
37 char p_m_s_last_digit_used; /* stores last digit that was used, to ignore short changes of signal due to noise */
38 int p_m_s_signal_loss; /* sample counter for loss of signal check */
39 int p_m_s_decoder_count; /* samples currently decoded */
40 unsigned char p_m_s_decoder_buffer[SS5_DECODER_NPOINTS]; /* buffer for storing one goertzel window */
41 unsigned char p_m_s_delay_digits[3000/SS5_DECODER_NPOINTS]; /* delay buffer for received digits */
42 unsigned char p_m_s_delay_mute[400/SS5_DECODER_NPOINTS]; /* 40 ms delay on mute, so a 'chirp' can be heared */
43 int p_m_s_sample_nr; /* decoder's sample number, counter */
44 int p_m_s_recog; /* sample counter to wait for signal recognition time */
45 struct lcr_work p_m_s_queue;
46 int p_m_s_answer; /* queued signal */
47 int p_m_s_busy_flash; /* queued signal */
48 int p_m_s_clear_back; /* queued signal */
50 void _new_ss5_state(int state, const char *func, int line);
51 void _new_ss5_signal(int signal, const char *func, int line);
52 void inband_receive(unsigned char *buffer, int len);
53 int inband_send(unsigned char *buffer, int len);
54 int inband_dial_mf(unsigned char *buffer, int len, int count);
55 int inband_dial_pulse(unsigned char *buffer, int len, int count);
56 void start_signal(int);
57 void start_outgoing(void);
58 void do_release(int cause, int location);
59 void do_setup(char *digit, int complete);
61 void seizing_ind(void);
62 void digit_ind(char digit);
63 void pulse_ind(int on);
64 void proceed_to_send_ind(void);
65 void busy_flash_ind(void);
66 void answer_ind(void);
67 void forward_ind(void);
68 void clear_back_ind(void);
69 void clear_forward_ind(void);
70 void release_guard_ind(void);
71 void double_seizure_ind(void);
72 void forward_transfer_ind(void);
73 void message_setup(unsigned int epoint_id, int message_id, union parameter *param);
74 void message_connect(unsigned int epoint_id, int message_id, union parameter *param);
75 void message_disconnect(unsigned int epoint_id, int message_id, union parameter *param);
76 void message_release(unsigned int epoint_id, int message_id, union parameter *param);
78 void register_timeout(void);
82 #define new_ss5_state(a) _new_ss5_state(a, __FUNCTION__, __LINE__)
83 #define new_ss5_signal(a) _new_ss5_signal(a, __FUNCTION__, __LINE__)
85 void ss5_create_channel(struct mISDNport *mISDNport, int i);
86 class Pss5 *ss5_hunt_line(struct mISDNport *mISDNport);