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00031 #if !defined(_T31_H_)
00032 #define _T31_H_
00033
00034
00035
00036
00037
00038
00039
00040
00041
00042 typedef struct t31_state_s t31_state_t;
00043
00044 typedef int (t31_modem_control_handler_t)(t31_state_t *s, void *user_data, int op, const char *num);
00045 typedef int (t31_at_tx_handler_t)(t31_state_t *s, void *user_data, const uint8_t *buf, int len);
00046
00047 enum t31_rx_mode_e
00048 {
00049 AT_MODE_ONHOOK_COMMAND,
00050 AT_MODE_OFFHOOK_COMMAND,
00051 AT_MODE_CONNECTED,
00052 AT_MODE_DELIVERY,
00053 AT_MODE_HDLC,
00054 AT_MODE_STUFFED
00055 };
00056
00057 enum t31_call_event_e
00058 {
00059 T31_CALL_EVENT_ALERTING = 1,
00060 T31_CALL_EVENT_CONNECTED,
00061 T31_CALL_EVENT_ANSWERED,
00062 T31_CALL_EVENT_BUSY,
00063 T31_CALL_EVENT_NO_DIALTONE,
00064 T31_CALL_EVENT_NO_ANSWER,
00065 T31_CALL_EVENT_HANGUP
00066 };
00067
00068 enum t31_modem_control_operation_e
00069 {
00070 T31_MODEM_CONTROL_CALL,
00071 T31_MODEM_CONTROL_ANSWER,
00072 T31_MODEM_CONTROL_HANGUP,
00073 T31_MODEM_CONTROL_DTR,
00074 T31_MODEM_CONTROL_RTS,
00075 T31_MODEM_CONTROL_CTS,
00076 T31_MODEM_CONTROL_CAR,
00077 T31_MODEM_CONTROL_RNG,
00078 T31_MODEM_CONTROL_DSR
00079 };
00080
00081 #define T31_TX_BUF_LEN (4096*32)
00082
00083
00084
00085
00086 typedef struct
00087 {
00088
00089 int echo;
00090
00091 int verbose;
00092
00093 int result_code_format;
00094
00095 int pulse_dial;
00096
00097 int double_escape;
00098
00099 int adaptive_receive;
00100
00101 uint8_t s_regs[100];
00102 } t31_profile_t;
00103
00104
00105
00106
00107
00108 struct t31_state_s
00109 {
00110 int country_of_installation;
00111 char line[256];
00112 uint8_t hdlc_buf[256];
00113 int hdlc_len;
00114
00115 int dled;
00116 int line_ptr;
00117 int at_rx_mode;
00118
00119
00120 int dte_rate;
00121 int dte_char_format;
00122 int dte_parity;
00123
00124 int fclass_mode;
00125 int display_callid;
00126 int callid_displayed;
00127 const char *call_date;
00128 const char *call_time;
00129 const char *originating_name;
00130 const char *originating_number;
00131 const char *originating_ani;
00132 const char *destination_number;
00133 t31_profile_t p;
00134 uint8_t rx_data[256];
00135 int rx_data_bytes;
00136 uint8_t tx_data[T31_TX_BUF_LEN];
00137 int tx_in_bytes;
00138 int tx_out_bytes;
00139 int tx_holding;
00140 int bit_no;
00141 int current_byte;
00142
00143
00144 int bit_rate;
00145
00146 int rx_signal_present;
00147 int rx_message_received;
00148
00149
00150
00151 tone_gen_state_t tone_gen;
00152
00153 hdlc_rx_state_t hdlcrx;
00154
00155 hdlc_tx_state_t hdlctx;
00156
00157
00158 fsk_tx_state_t v21tx;
00159
00160
00161 fsk_rx_state_t v21rx;
00162
00163 #if defined(ENABLE_V17)
00164
00165
00166 v17_tx_state_t v17tx;
00167
00168
00169 v17_rx_state_t v17rx;
00170 #endif
00171
00172
00173
00174 v29_tx_state_t v29tx;
00175
00176
00177 v29_rx_state_t v29rx;
00178
00179
00180
00181 v27ter_tx_state_t v27ter_tx;
00182
00183
00184 v27ter_rx_state_t v27ter_rx;
00185
00186 power_meter_t rx_power;
00187 int32_t silence_threshold_power;
00188
00189
00190
00191 int silent_samples;
00192
00193 int silence_heard;
00194
00195 int silence_awaited;
00196
00197 int64_t call_samples;
00198 int64_t last_dtedata_samples;
00199 int dohangup;
00200 int modem;
00201 int transmit;
00202 int short_train;
00203 int dte_is_waiting;
00204 int carrier_loss_timeout;
00205 int dte_inactivity_timeout;
00206 int dte_inactivity_action;
00207 int hdlc_final;
00208 int data_final;
00209 queue_t rx_queue;
00210
00211 t31_modem_control_handler_t *modem_control_handler;
00212 void *modem_control_user_data;
00213 t31_at_tx_handler_t *at_tx_handler;
00214 void *at_tx_user_data;
00215
00216
00217 logging_state_t logging;
00218 };
00219
00220 #ifdef __cplusplus
00221 extern "C" {
00222 #endif
00223
00224 void t31_call_event(t31_state_t *s, int event);
00225
00226 int t31_at_rx(t31_state_t *s, const char *t, int len);
00227
00228
00229
00230
00231
00232
00233
00234 int t31_rx(t31_state_t *s, int16_t *buf, int len);
00235
00236
00237
00238
00239
00240
00241
00242
00243 int t31_tx(t31_state_t *s, int16_t *buf, int max_len);
00244
00245
00246
00247
00248
00249
00250
00251
00252
00253
00254 int t31_init(t31_state_t *s,
00255 t31_at_tx_handler_t *at_tx_handler,
00256 void *at_tx_user_data,
00257 t31_modem_control_handler_t *modem_control_handler,
00258 void *modem_control_user_data);
00259
00260 #ifdef __cplusplus
00261 }
00262 #endif
00263
00264 #endif
00265