v8.h
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00043 #if !defined(_SPANDSP_V8_H_)
00044 #define _SPANDSP_V8_H_
00045
00046 typedef struct v8_result_s v8_result_t;
00047
00048 typedef void (v8_result_handler_t)(void *user_data, v8_result_t *result);
00049
00050 enum v8_call_function_e
00051 {
00052 V8_CALL_TBS = 0,
00053 V8_CALL_H324,
00054 V8_CALL_V18,
00055 V8_CALL_T101,
00056 V8_CALL_T30_TX,
00057 V8_CALL_T30_RX,
00058 V8_CALL_V_SERIES,
00059 V8_CALL_FUNCTION_EXTENSION
00060 };
00061
00062 enum v8_modulation_e
00063 {
00064 V8_MOD_V17 = (1 << 0),
00065 V8_MOD_V21 = (1 << 1),
00066 V8_MOD_V22 = (1 << 2),
00067 V8_MOD_V23HALF = (1 << 3),
00068 V8_MOD_V23 = (1 << 4),
00069 V8_MOD_V26BIS = (1 << 5),
00070 V8_MOD_V26TER = (1 << 6),
00071 V8_MOD_V27TER = (1 << 7),
00072 V8_MOD_V29 = (1 << 8),
00073 V8_MOD_V32 = (1 << 9),
00074 V8_MOD_V34HALF = (1 << 10),
00075 V8_MOD_V34 = (1 << 11),
00076 V8_MOD_V90 = (1 << 12),
00077 V8_MOD_V92 = (1 << 13),
00078
00079 V8_MOD_FAILED = (1 << 15)
00080 };
00081
00082 enum v8_protocol_e
00083 {
00084 V8_PROTOCOL_NONE = 0,
00085 V8_PROTOCOL_LAPM_V42 = 1,
00086 V8_PROTOCOL_EXTENSION = 7
00087 };
00088
00089 enum v8_pstn_access_e
00090 {
00091 V8_PSTN_ACCESS_CALL_DCE_CELLULAR = 0x20,
00092 V8_PSTN_ACCESS_ANSWER_DCE_CELLULAR = 0x40,
00093 V8_PSTN_ACCESS_DCE_ON_DIGTIAL = 0x80
00094 };
00095
00096 enum v8_pcm_modem_availability_e
00097 {
00098 V8_PSTN_PCM_MODEM_V90_V92_ANALOGUE = 0x20,
00099 V8_PSTN_PCM_MODEM_V90_V92_DIGITAL = 0x40,
00100 V8_PSTN_PCM_MODEM_V91 = 0x80
00101 };
00102
00103 typedef struct
00104 {
00105
00106 int caller;
00107
00108 int state;
00109 int negotiation_timer;
00110 int ci_timer;
00111 int ci_count;
00112 fsk_tx_state_t v21tx;
00113 fsk_rx_state_t v21rx;
00114 queue_state_t *tx_queue;
00115 modem_connect_tones_tx_state_t ansam_tx;
00116 modem_connect_tones_rx_state_t ansam_rx;
00117
00118 v8_result_handler_t *result_handler;
00119 void *result_handler_user_data;
00120
00121
00122 int available_modulations;
00123 int common_modulations;
00124 int negotiated_modulation;
00125 int far_end_modulations;
00126
00127 int call_function;
00128 int protocol;
00129 int pstn_access;
00130 int nsf_seen;
00131 int pcm_modem_availability;
00132 int t66_seen;
00133
00134
00135 unsigned int bit_stream;
00136 int bit_cnt;
00137
00138 int preamble_type;
00139 uint8_t rx_data[64];
00140 int rx_data_ptr;
00141
00142
00143
00144 uint8_t cm_jm_data[64];
00145 int cm_jm_count;
00146 int got_cm_jm;
00147 int got_cj;
00148 int zero_byte_count;
00149
00150 logging_state_t logging;
00151 } v8_state_t;
00152
00153 struct v8_result_s
00154 {
00155 int call_function;
00156 int available_modulations;
00157 int negotiated_modulation;
00158 int protocol;
00159 int pstn_access;
00160 int nsf_seen;
00161 int pcm_modem_availability;
00162 int t66_seen;
00163 };
00164
00165 #if defined(__cplusplus)
00166 extern "C"
00167 {
00168 #endif
00169
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00179 v8_state_t *v8_init(v8_state_t *s,
00180 int caller,
00181 int available_modulations,
00182 v8_result_handler_t *result_handler,
00183 void *user_data);
00184
00185
00186
00187
00188
00189 int v8_release(v8_state_t *s);
00190
00191
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00197
00198 int v8_tx(v8_state_t *s, int16_t *amp, int max_len);
00199
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00204
00205
00206 int v8_rx(v8_state_t *s, const int16_t *amp, int len);
00207
00208
00209
00210
00211
00212 void v8_log_supported_modulations(v8_state_t *s, int modulation_schemes);
00213
00214 const char *v8_call_function_to_str(int call_function);
00215 const char *v8_modulation_to_str(int modulation_scheme);
00216 const char *v8_protocol_to_str(int protocol);
00217 const char *v8_pstn_access_to_str(int pstn_access);
00218 const char *v8_pcm_modem_availability_to_str(int pcm_modem_availability);
00219
00220 #if defined(__cplusplus)
00221 }
00222 #endif
00223
00224 #endif
00225