2 * Asterisk -- A telephony toolkit for Linux.
4 * ADSI Support (built upon Caller*ID)
6 * Copyright (C) 1999, Mark Spencer
8 * Mark Spencer <markster@linux-support.net>
10 * This program is free software, distributed under the terms of
11 * the GNU General Public License.
13 * Includes code and algorithms from the Zapata library.
19 #include <asterisk/callerid.h>
21 /* ADSI Message types */
22 #define ADSI_MSG_DISPLAY 132
23 #define ADSI_MSG_DOWNLOAD 133
25 /* ADSI Parameters (display) */
26 #define ADSI_LOAD_SOFTKEY 128
27 #define ADSI_INIT_SOFTKEY_LINE 129
28 #define ADSI_LOAD_VIRTUAL_DISP 130
29 #define ADSI_LINE_CONTROL 131
30 #define ADSI_INFORMATION 132
31 #define ADSI_DISC_SESSION 133
32 #define ADSI_SWITCH_TO_DATA 134
33 #define ADSI_SWITCH_TO_VOICE 135
34 #define ADSI_CLEAR_SOFTKEY 136
35 #define ADSI_INPUT_CONTROL 137
36 #define ADSI_INPUT_FORMAT 138
37 #define ADSI_SWITCH_TO_PERIPH 139
38 #define ADSI_MOVE_DATA 140
39 #define ADSI_LOAD_DEFAULT 141
40 #define ADSI_CONNECT_SESSION 142
41 #define ADSI_CLEAR_TYPE_AHEAD 143
42 #define ADSI_DISPLAY_CALL_BUF 144
43 #define ADSI_CLEAR_CALL_BUF 145
44 #define ADSI_SWITCH_TO_ALT 146
45 #define ADSI_SWITCH_TO_GRAPHICS 147
46 #define ADSI_CLEAR_SCREEN 148
47 #define ADSI_QUERY_CONFIG 149
48 #define ADSI_QUERY_CPEID 150
49 #define ADSI_SWITCH_TO_APP 151
51 /* Feature download messages */
52 #define ADSI_LOAD_SOFTKEY_TABLE 128 /* Conveniently identical to the soft version */
53 #define ADSI_LOAD_PREDEF_DISP 129 /* Load predefined display */
54 #define ADSI_LOAD_SCRIPT 130
55 #define ADSI_DOWNLOAD_CONNECT 131
56 #define ADSI_DOWNLOAD_DISC 132
58 /* Special return string codes */
59 #define ADSI_ENCODED_DTMF 0x80 /* Transmit following chars with encoded dtmf */
60 #define ADSI_ON_HOOK 0x81 /* Open switch-hook */
61 #define ADSI_OFF_HOOK 0x82 /* Close switch-hook */
62 #define ADSI_FLASH 0x83 /* Flash switch-hook */
63 #define ADSI_DIAL_TONE_DETECT 0x84 /* Wait for dialtone */
64 #define ADSI_LINE_NUMBER 0x85 /* Send current line number using DTMF/encoded DTMF */
65 #define ADSI_BLANK 0x86 /* Blank (does nothing) */
66 #define ADSI_SEND_CHARS 0x87 /* Send collected digits/characters */
67 #define ADSI_CLEAR_CHARS 0x88 /* Clear characters/digits collected */
68 #define ADSI_BACKSPACE 0x89 /* Erase last collected digit */
69 #define ADSI_TAB_COLUMN 0x8A /* Display specified display column of current line */
70 #define ADSI_GOTO_LINE 0x8B /* Go to given page and line number */
71 #define ADSI_GOTO_LINE_REL 0x8C /* Go to given line (relative to current) */
72 #define ADSI_PAGE_UP 0x8D /* Go up one page */
73 #define ADSI_PAGE_DOWN 0x8E /* Go down one page */
74 #define ADSI_EXTENDED_DTMF 0x8F /* Send DTMF tones for 250ms instead of 60 ms */
75 #define ADSI_DELAY 0x90 /* Delay for given # (times 10) of ms */
76 #define ADSI_DIAL_PULSE_ONE 0x91 /* Send a dial pulse "1" */
77 #define ADSI_SWITCH_TO_DATA2 0x92 /* Switch CPE to data mode */
78 #define ADSI_SWITCH_TO_VOICE2 0x93 /* Switch CPE to voice mode */
79 #define ADSI_DISP_CALL_BUF 0x94 /* Display specified call buffer */
80 #define ADSI_CLEAR_CALL_BUF 0x95 /* Clear specified call buffer */
83 /* These messages are reserved for the ADSI CPE only */
84 #define ADSI_DISPLAY_CONTROL 0x98 /* Store predefined display identified next / Display status display page */
85 #define ADSI_DISPLAY_SOFT_KEYS 0x99 /* Display the script soft keys identified next */
86 #define ADSI_CHANGE_STATE 0x9A /* Change state of service script */
87 #define ADSI_START_CLEAR_TIMER 0x9B /* Start / Clear timer */
88 #define ADSI_SET_SCRIPT_FLAG 0x9C /* Set / clear a script flag */
89 #define ADSI_JUMP_TO_SUBSCRIPT 0x9D /* Jump to specified subscript */
90 #define ADSI_EVENT_22_TRIGGER 0x9E /* Trigger an occurance of event 22 */
91 #define ADSI_EVENT_23_TRIGGER 0x9f /* Trigger an occurance of event 23 */
92 #define ADSI_EXIT 0xA0 /* Exit the service script interpreter */
96 #define ADSI_INFO_PAGE 0x0
97 #define ADSI_COMM_PAGE 0x1
99 #define ADSI_KEY_APPS 16 /* 16 to 33 reserved for applications */
102 #define ADSI_JUST_LEFT 0x2
103 #define ADSI_JUST_RIGHT 0x1
104 #define ADSI_JUST_CENT 0x0 /* Center */
105 #define ADSI_JUST_IND 0x3 /* Indent */
107 #define ADSI_KEY_SKT 0x80 /* Load from SKT */
108 #define ADSI_KEY_HILITE 0x40 /* Highlight key */
110 #define ADSI_DIR_FROM_LEFT (0)
111 #define ADSI_DIR_FROM_RIGHT (1)
113 //! Perform Asterisk ADSI initialization (for channel drivers that want
114 // to support ADSI when the handset is first lifted) */
116 * \param chan Channel to initialize for ADSI (if supported)
118 * Returns 0 on success (or adsi unavailable) and -1 on hangup
121 extern int adsi_channel_init(struct ast_channel *chan);
123 extern int adsi_begin_download(struct ast_channel *chan, char *service, char *fdn, char *sec, int version);
125 extern int adsi_end_download(struct ast_channel *chan);
127 //! Restore ADSI initialization (for applications that play with ADSI
128 // and want to restore it to normal. If you touch "INFO" then you
129 // have to use the adsi_channel_init again instead.
131 * \param chan Channel to restore
133 * Returns 0 on success (or adsi unavailable) and -1 on hangup
136 extern int adsi_channel_restore(struct ast_channel *chan);
138 //! Display some stuff on the screen
140 * \param chan Channel to display on
141 * \param lines NULL-terminated list of things to print (no more than 4 recommended)
142 * \param align list of alignments to use (ADSI_JUST_LEFT, ADSI_JUST_RIGHT, ADSI_JUST_CEN, etc..)
144 * Return 0 on success (or adsi unavailable) and -1 on hangup
147 extern int adsi_print(struct ast_channel *chan, char **lines, int *align);
149 //! Check if scripts for a given app are already loaded. Version may be -1
150 // if any version is okay, or 0-255 for a specific version.
152 * \param chan Channel to test for loaded app
153 * \param app Four character app name (must be unique to your application)
154 * \param ver optional version number
155 * \param data Non-zero if you want to be put in data mode
157 * Returns 0 if scripts is not loaded or not an ADSI CPE. Returns -1
158 * on hangup. Returns 1 if script already loaded.
160 extern int adsi_load_session(struct ast_channel *chan, unsigned char *app, int ver, int data);
161 extern int adsi_unload_session(struct ast_channel *chan);
163 /* ADSI Layer 2 transmission functions */
164 extern int adsi_transmit_messages(struct ast_channel *chan, unsigned char **msg, int *msglen, int *msgtype);
165 extern int adsi_transmit_message(struct ast_channel *chan, unsigned char *msg, int msglen, int msgtype);
167 /* ADSI Layer 3 creation functions */
169 //! Connects an ADSI Display Session */
171 * \param buf Character buffer to create parameter in (must have at least 256 free)
172 * \param fdn Optional 4 byte Feature Download Number (for loading soft keys)
173 * \param ver Optional version number (0-255, or -1 to omit)
175 * Returns number of bytes added to buffer or -1 on error.
179 extern int adsi_connect_session(unsigned char *buf, unsigned char *fdn, int ver);
181 //! Begin an ADSI script download */
183 * \param buf Character buffer to create parameter in (must have at least 256 free)
184 * \param service, a 1-18 byte name of the feature
185 * \param fdn 4 byte Feature Download Number (for loading soft keys)
186 * \param sec 4 byte vendor security code
187 * \param ver version number (0-255, or -1 to omit)
189 * Returns number of bytes added to buffer or -1 on error.
193 extern int adsi_download_connect(unsigned char *buf, unsigned char *service, unsigned char *fdn, unsigned char *sec, int ver);
195 //! Disconnects a running session
197 * \param buf Character buffer to create parameter in (must have at least 256 free)
199 * Returns number of bytes added to buffer or -1 on error.
202 extern int adsi_disconnect_session(unsigned char *buf);
204 //! Disconnects (and hopefully saves) a downloaded script
206 * \param buf Character buffer to create parameter in (must have at least 256 free)
208 * Returns number of bytes added to buffer or -1 on error.
211 extern int adsi_download_disconnect(unsigned char *buf);
213 //! Puts CPE in data mode...
215 * \param buf Character buffer to create parameter in (must have at least 256 free)
217 * Returns number of bytes added to buffer or -1 on error.
220 extern int adsi_data_mode(unsigned char *buf);
222 //! Puts CPE in voice mode...
224 * \param buf Character buffer to create parameter in (must have at least 256 free)
225 * \param when (a time in seconds) to make the switch
227 * Returns number of bytes added to buffer or -1 on error.
230 extern int adsi_voice_mode(unsigned char *buf, int when);
232 //! Returns non-zero if Channel does or might support ADSI
234 * \param chan Channel to check
237 extern int adsi_available(struct ast_channel *chan);
239 //! Loads a line of info into the display */
241 * \param buf Character buffer to create parameter in (must have at least 256 free)
242 * \param page Page to load (ADSI_COMM_PAGE or ADSI_INFO_PAGE)
243 * \param line Line number to load (1-4 for Comm page, 1-33 for info page)
244 * \param just Line justification (ADSI_JUST_LEFT, ADSI_JUST_RIGHT, ADSI_JUST_CENT, ADSI_JUST_IND)
245 * \param wrap Wrap (1 = yes, 0 = no)
246 * \param col1 Text to place in first column
247 * \param col2 Text to place in second column
249 * Returns number of bytes added to buffer or -1 on error.
253 extern int adsi_display(unsigned char *buf, int page, int line, int just, int wrap, unsigned char *col1, unsigned char *col2);
255 //! Sets the current line and page */
257 * \param buf Character buffer to create parameter in (must have at least 256 free)
258 * \param page Which page (ADSI_COMM_PAGE or ADSI_INFO_PAGE)
259 * \param line Line number (1-33 for info page, 1-4 for comm page)
261 * Returns number of bytes added to buffer or -1 on error.
265 extern int adsi_set_line(unsigned char *buf, int page, int line);
267 //! Creates "load soft key" parameters
269 * \param buf Character buffer to create parameter in (must have at least 256 free)
270 * \param key Key code from 2 to 33, for which key we are loading
271 * \param llabel Long label for key (1-18 bytes)
272 * \param slabel Short label for key (1-7 bytes)
273 * \param ret Optional return sequence (NULL for none)
274 * \param data whether to put CPE in data mode before sending digits
276 * Returns number of bytes added to buffer or -1 on error.
279 extern int adsi_load_soft_key(unsigned char *buf, int key, unsigned char *llabel, unsigned char *slabel, unsigned char *ret, int data);
281 //! Set which soft keys should be displayed
283 * \param buf Character buffer to create parameter in (must have at least 256 free)
284 * \param keys Array of 6 unsigned chars with the key numbers, may be OR'd with ADSI_KEY_HILITE
286 * Returns number of bytes added to buffer or -1 on error.
289 extern int adsi_set_keys(unsigned char *buf, unsigned char *keys);
291 //! Set input information
293 * \param buf Character buffer to create parameter in (must have at least 256 free)
294 * \param page Which page to input on (ADSI_COMM_PAGE or ADSI_INFO_PAGE)
295 * \param line Line number to input on
296 * \param display Set to zero to obscure input, or 1 to leave visible
297 * \param format Format number to use (0-7)
298 * \param just Justification (left, right center, indent)
300 * Returns number of bytes added to buffer or -1 on error.
303 extern int adsi_input_control(unsigned char *buf, int page, int line, int display, int format, int just);
307 * \param buf Character buffer to create parameter in (must have at least 256 free)
308 * \param num Which format we are setting
309 * \param dir Which direction (ADSI_DIR_FROM_LEFT or ADSI_DIR_FROM_RIGHT)
310 * \param wrap Set to 1 to permit line wrap, or 0 if not
311 * \param format1 Format for column 1
312 * \param format2 Format for column 2
314 * Returns number of bytes added to buffer or -1 on error.
317 extern int adsi_input_format(unsigned char *buf, int num, int dir, int wrap, unsigned char *format1, unsigned char *format2);