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00014 #ifndef _ASTERISK_VMODEM_H
00015 #define _ASTERISK_VMODEM_H
00016
00017 #include <asterisk/frame.h>
00018 #include <asterisk/channel.h>
00019 #include <asterisk/channel_pvt.h>
00020
00021 #define CHAR_DLE 0x10
00022 #define CHAR_ETX 0x03
00023 #define CHAR_DC4 0x14
00024
00025 #define MODEM_DEV_TELCO 0
00026 #define MODEM_DEV_TELCO_SPK 4
00027 #define MODEM_DEV_SPKRPHONE 6
00028 #define MODEM_DEV_HANDSET 9
00029
00030
00031 #define MODEM_MAX_LEN 30
00032 #define MODEM_MAX_BUF MODEM_MAX_LEN * 16
00033
00034 #define AST_MAX_INIT_STR 256
00035
00036 struct ast_modem_pvt;
00037
00038 struct ast_modem_driver {
00039 char *name;
00040 char **idents;
00041 int formats;
00042 int fullduplex;
00043 void (*incusecnt)(void);
00044 void (*decusecnt)(void);
00045 char * (*identify)(struct ast_modem_pvt *);
00046 int (*init)(struct ast_modem_pvt *);
00047 int (*setdev)(struct ast_modem_pvt *, int dev);
00048 struct ast_frame * (*read)(struct ast_modem_pvt *);
00049 int (*write)(struct ast_modem_pvt *, struct ast_frame *fr);
00050 int (*dial)(struct ast_modem_pvt *, char *);
00051 int (*answer)(struct ast_modem_pvt *);
00052 int (*hangup)(struct ast_modem_pvt *);
00053 int (*startrec)(struct ast_modem_pvt *);
00054 int (*stoprec)(struct ast_modem_pvt *);
00055 int (*startpb)(struct ast_modem_pvt *);
00056 int (*stoppb)(struct ast_modem_pvt *);
00057 int (*setsilence)(struct ast_modem_pvt *, int onoff);
00058 int (*dialdigit)(struct ast_modem_pvt *, char digit);
00059 struct ast_modem_driver *next;
00060 };
00061
00062 #define MODEM_MODE_IMMEDIATE 0
00063 #define MODEM_MODE_WAIT_RING 1
00064 #define MODEM_MODE_WAIT_ANSWER 2
00065
00066
00067 struct ast_modem_pvt {
00068
00069 int fd;
00070
00071 FILE *f;
00072
00073 struct ast_channel *owner;
00074
00075 char dev[256];
00076
00077 struct ast_frame fr;
00078
00079 char offset[AST_FRIENDLY_OFFSET];
00080
00081 char obuf[MODEM_MAX_BUF];
00082
00083 int tail;
00084
00085 char dialtype;
00086
00087 char dialtimeout;
00088
00089 int obuflen;
00090
00091 int mode;
00092
00093 int ministate;
00094
00095 int stripmsd;
00096
00097 int escape;
00098
00099 int gotclid;
00100
00101 int ringt;
00102
00103 time_t lastring;
00104
00105 char dtmfrx;
00106
00107 char context[AST_MAX_EXTENSION];
00108
00109 char msn[AST_MAX_EXTENSION];
00110
00111 char incomingmsn[AST_MAX_EXTENSION];
00112
00113 unsigned int group;
00114
00115 char cid[AST_MAX_EXTENSION];
00116
00117 char dnid[AST_MAX_EXTENSION];
00118
00119 char initstr[AST_MAX_INIT_STR];
00120
00121 char language[MAX_LANGUAGE];
00122
00123 char response[256];
00124
00125 struct ast_modem_driver *mc;
00126
00127 struct ast_modem_pvt *next;
00128 };
00129
00130
00131
00132
00133 extern int ast_register_modem_driver(struct ast_modem_driver *mc);
00134
00135
00136
00137 extern int ast_unregister_modem_driver(struct ast_modem_driver *mc);
00138
00139
00140
00141 extern int ast_modem_send(struct ast_modem_pvt *p, char *cmd, int len);
00142
00143
00144
00145
00146 extern int ast_modem_expect(struct ast_modem_pvt *p, char *result, int timeout);
00147
00148
00149
00150 extern int ast_modem_read_response(struct ast_modem_pvt *p, int timeout);
00151
00152
00153
00154 extern struct ast_channel *ast_modem_new(struct ast_modem_pvt *i, int state);
00155
00156
00157
00158 extern void ast_modem_trim(char *s);
00159 #endif