1 /****************************************************************************** 2 * 3 * Copyright (C) 2003-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This is the public interface file for the audio gateway (AG) subsystem 22 * of BTA, Broadcom's Bluetooth application layer for mobile phones. 23 * 24 ******************************************************************************/ 25 #ifndef BTA_AG_API_H 26 #define BTA_AG_API_H 27 28 #include "bta_api.h" 29 30 /***************************************************************************** 31 ** Constants and data types 32 *****************************************************************************/ 33 34 /* AG feature masks */ 35 #define BTA_AG_FEAT_3WAY 0x00000001 /* Three-way calling */ 36 #define BTA_AG_FEAT_ECNR 0x00000002 /* Echo cancellation and/or noise reduction */ 37 #define BTA_AG_FEAT_VREC 0x00000004 /* Voice recognition */ 38 #define BTA_AG_FEAT_INBAND 0x00000008 /* In-band ring tone */ 39 #define BTA_AG_FEAT_VTAG 0x00000010 /* Attach a phone number to a voice tag */ 40 #define BTA_AG_FEAT_REJECT 0x00000020 /* Ability to reject incoming call */ 41 #define BTA_AG_FEAT_ECS 0x00000040 /* Enhanced Call Status */ 42 #define BTA_AG_FEAT_ECC 0x00000080 /* Enhanced Call Control */ 43 #define BTA_AG_FEAT_EXTERR 0x00000100 /* Extended error codes */ 44 #define BTA_AG_FEAT_CODEC 0x00000200 /* Codec Negotiation */ 45 #define BTA_AG_FEAT_VOIP 0x00000400 /* VoIP call */ 46 /* Proprietary features: using 31 ~ 16 bits */ 47 #define BTA_AG_FEAT_BTRH 0x00010000 /* CCAP incoming call hold */ 48 #define BTA_AG_FEAT_UNAT 0x00020000 /* Pass unknown AT commands to application */ 49 #define BTA_AG_FEAT_NOSCO 0x00040000 /* No SCO control performed by BTA AG */ 50 #define BTA_AG_FEAT_NO_ESCO 0x00080000 /* Do not allow or use eSCO */ 51 52 typedef UINT32 tBTA_AG_FEAT; 53 54 /* AG parse mode */ 55 #define BTA_AG_PARSE 0 /* Perform AT command parsing in AG */ 56 #define BTA_AG_PASS_THROUGH 1 /* Pass data directly to phones AT command interpreter */ 57 58 typedef UINT8 tBTA_AG_PARSE_MODE; 59 60 /* AG open status */ 61 #define BTA_AG_SUCCESS 0 /* Connection successfully opened */ 62 #define BTA_AG_FAIL_SDP 1 /* Open failed due to SDP */ 63 #define BTA_AG_FAIL_RFCOMM 2 /* Open failed due to RFCOMM */ 64 #define BTA_AG_FAIL_RESOURCES 3 /* out of resources failure */ 65 66 typedef UINT8 tBTA_AG_STATUS; 67 68 /* handle values used with BTA_AgResult */ 69 #define BTA_AG_HANDLE_NONE 0 70 #define BTA_AG_HANDLE_ALL 0xFFFF 71 /* It is safe to use the same value as BTA_AG_HANDLE_ALL 72 * HANDLE_ALL is used for delivering indication 73 * SCO_NO_CHANGE is used for changing sco behavior 74 * They donot interfere with each other 75 */ 76 #define BTA_AG_HANDLE_SCO_NO_CHANGE 0xFFFF 77 78 /* AG result codes used with BTA_AgResult */ 79 #define BTA_AG_SPK_RES 0 /* Update speaker volume */ 80 #define BTA_AG_MIC_RES 1 /* Update microphone volume */ 81 #define BTA_AG_INBAND_RING_RES 2 /* Update inband ring state */ 82 #define BTA_AG_CIND_RES 3 /* Send indicator response for AT+CIND */ 83 #define BTA_AG_BINP_RES 4 /* Send phone number for voice tag for AT+BINP */ 84 #define BTA_AG_IND_RES 5 /* Update an indicator value */ 85 #define BTA_AG_BVRA_RES 6 /* Update voice recognition state */ 86 #define BTA_AG_CNUM_RES 7 /* Send subscriber number response for AT+CNUM */ 87 #define BTA_AG_BTRH_RES 8 /* Send CCAP incoming call hold */ 88 #define BTA_AG_CLCC_RES 9 /* Query list of calls */ 89 #define BTA_AG_COPS_RES 10 /* Read network operator */ 90 #define BTA_AG_IN_CALL_RES 11 /* Indicate incoming phone call */ 91 #define BTA_AG_IN_CALL_CONN_RES 12 /* Incoming phone call connected */ 92 #define BTA_AG_CALL_WAIT_RES 13 /* Call waiting notification */ 93 #define BTA_AG_OUT_CALL_ORIG_RES 14 /* Outgoing phone call origination */ 94 #define BTA_AG_OUT_CALL_ALERT_RES 15 /* Outgoing phone call alerting remote party */ 95 #define BTA_AG_OUT_CALL_CONN_RES 16 /* Outgoing phone call connected */ 96 #define BTA_AG_CALL_CANCEL_RES 17 /* Incoming/outgoing 3-way canceled before connected */ 97 #define BTA_AG_END_CALL_RES 18 /* End call */ 98 #define BTA_AG_IN_CALL_HELD_RES 19 /* Incoming call held */ 99 #define BTA_AG_UNAT_RES 20 /* Response to unknown AT command event */ 100 101 typedef UINT8 tBTA_AG_RES; 102 103 /* HFP peer features */ 104 #define BTA_AG_PEER_FEAT_ECNR 0x0001 /* Echo cancellation and/or noise reduction */ 105 #define BTA_AG_PEER_FEAT_3WAY 0x0002 /* Call waiting and three-way calling */ 106 #define BTA_AG_PEER_FEAT_CLI 0x0004 /* Caller ID presentation capability */ 107 #define BTA_AG_PEER_FEAT_VREC 0x0008 /* Voice recognition activation */ 108 #define BTA_AG_PEER_FEAT_VOL 0x0010 /* Remote volume control */ 109 #define BTA_AG_PEER_FEAT_ECS 0x0020 /* Enhanced Call Status */ 110 #define BTA_AG_PEER_FEAT_ECC 0x0040 /* Enhanced Call Control */ 111 #define BTA_AG_PEER_FEAT_CODEC 0x0080 /* Codec Negotiation */ 112 #define BTA_AG_PEER_FEAT_VOIP 0x0100 /* VoIP call */ 113 114 typedef UINT16 tBTA_AG_PEER_FEAT; 115 116 /* HFP peer supported codec masks */ 117 #define BTA_AG_CODEC_NONE BTM_SCO_CODEC_NONE 118 #define BTA_AG_CODEC_CVSD BTM_SCO_CODEC_CVSD /* CVSD */ 119 #define BTA_AG_CODEC_MSBC BTM_SCO_CODEC_MSBC /* mSBC */ 120 typedef UINT16 tBTA_AG_PEER_CODEC; 121 122 /* HFP errcode - Set when BTA_AG_OK_ERROR is returned in 'ok_flag' */ 123 #define BTA_AG_ERR_PHONE_FAILURE 0 /* Phone Failure */ 124 #define BTA_AG_ERR_NO_CONN_PHONE 1 /* No connection to phone */ 125 #define BTA_AG_ERR_OP_NOT_ALLOWED 3 /* Operation not allowed */ 126 #define BTA_AG_ERR_OP_NOT_SUPPORTED 4 /* Operation not supported */ 127 #define BTA_AG_ERR_PHSIM_PIN_REQ 5 /* PH-SIM PIN required */ 128 #define BTA_AG_ERR_SIM_NOT_INSERTED 10 /* SIM not inserted */ 129 #define BTA_AG_ERR_SIM_PIN_REQ 11 /* SIM PIN required */ 130 #define BTA_AG_ERR_SIM_PUK_REQ 12 /* SIM PUK required */ 131 #define BTA_AG_ERR_SIM_FAILURE 13 /* SIM failure */ 132 #define BTA_AG_ERR_SIM_BUSY 14 /* SIM busy */ 133 #define BTA_AG_ERR_INCORRECT_PWD 16 /* Incorrect password */ 134 #define BTA_AG_ERR_SIM_PIN2_REQ 17 /* SIM PIN2 required */ 135 #define BTA_AG_ERR_SIM_PUK2_REQ 18 /* SIM PUK2 required */ 136 #define BTA_AG_ERR_MEMORY_FULL 20 /* Memory full */ 137 #define BTA_AG_ERR_INVALID_INDEX 21 /* Invalid index */ 138 #define BTA_AG_ERR_MEMORY_FAILURE 23 /* Memory failure */ 139 #define BTA_AG_ERR_TEXT_TOO_LONG 24 /* Text string too long */ 140 #define BTA_AG_ERR_INV_CHAR_IN_TSTR 25 /* Invalid characters in text string */ 141 #define BTA_AG_ERR_DSTR_TOO_LONG 26 /* Dial string too long */ 142 #define BTA_AG_ERR_INV_CHAR_IN_DSTR 27 /* Invalid characters in dial string */ 143 #define BTA_AG_ERR_NO_NETWORK_SERV 30 /* No network service */ 144 #define BTA_AG_ERR_NETWORK_TIME_OUT 31 /* Network timeout */ 145 #define BTA_AG_ERR_NO_NET_EMG_ONLY 32 /* Network not allowed - emergency service only */ 146 #define BTA_AG_ERR_VOIP_CS_CALLS 33 /* AG cannot create simultaneous VoIP and CS calls */ 147 #define BTA_AG_ERR_NOT_FOR_VOIP 34 /* Not supported on this call type(VoIP) */ 148 #define BTA_AG_ERR_SIP_RESP_CODE 35 /* SIP 3 digit response code */ 149 150 #if 0 /* Not Used in Bluetooth HFP 1.5 Specification */ 151 #define BTA_AG_ERR_PHADAP_LNK_RES 2 /* Phone-adapter link reserved */ 152 #define BTA_AG_ERR_PHFSIM_PIN_REQ 6 /* PH-FSIM PIN required */ 153 #define BTA_AG_ERR_PHFSIM_PUK_REQ 7 /* PH-FSIM PUK required */ 154 #define BTA_AG_ERR_SIM_WRONG 15 /* SIM wrong */ 155 #define BTA_AG_ERR_NOT_FOUND 22 /* Not found */ 156 #define BTA_AG_ERR_NETWORK_TIMEOUT 31 /* Network timeout */ 157 #define BTA_AG_ERR_NET_PIN_REQ 40 /* Network personalization PIN required */ 158 #define BTA_AG_ERR_NET_PUK_REQ 41 /* Network personalization PUK required */ 159 #define BTA_AG_ERR_SUBSET_PIN_REQ 42 /* Network subset personalization PIN required */ 160 #define BTA_AG_ERR_SUBSET_PUK_REQ 43 /* Network subset personalization PUK required */ 161 #define BTA_AG_ERR_SERVPRO_PIN_REQ 44 /* Service provider personalization PIN required */ 162 #define BTA_AG_ERR_SERVPRO_PUK_REQ 45 /* Service provider personalization PUK required */ 163 #define BTA_AG_ERR_CORP_PIN_REQ 46 /* Corporate personalization PIN required */ 164 #define BTA_AG_ERR_CORP_PUK_REQ 47 /* Corporate personalization PUK required */ 165 #define BTA_AG_ERR_UNKNOWN 100 /* Unknown error */ 166 /* GPRS-related errors */ 167 #define BTA_AG_ERR_ILL_MS 103 /* Illegal MS (#3) */ 168 #define BTA_AG_ERR_ILL_ME 106 /* Illegal ME (#6) */ 169 #define BTA_AG_ERR_GPRS_NOT_ALLOWED 107 /* GPRS services not allowed (#7) */ 170 #define BTA_AG_ERR_PLMN_NOT_ALLOWED 111 /* PLMN services not allowed (#11) */ 171 #define BTA_AG_ERR_LOC_NOT_ALLOWED 112 /* Location area not allowed (#12) */ 172 #define BTA_AG_ERR_ROAM_NOT_ALLOWED 113 /* Roaming not allowed in this location area (#13) */ 173 /* Errors related to a failure to Activate a Context */ 174 #define BTA_AG_ERR_OPT_NOT_SUPP 132 /* Service option not supported (#32) */ 175 #define BTA_AG_ERR_OPT_NOT_SUBSCR 133 /* Requested service option not subscribed (#33) */ 176 #define BTA_AG_ERR_OPT_OUT_OF_ORDER 134 /* Service option temporarily out of order (#34) */ 177 #define BTA_AG_ERR_PDP_AUTH_FAILURE 149 /* PDP authentication failure */ 178 /* Other GPRS errors */ 179 #define BTA_AG_ERR_INV_MOBILE_CLASS 150 /* Invalid mobile class */ 180 #define BTA_AG_ERR_UNSPEC_GPRS_ERR 148 /* Unspecified GPRS error */ 181 #endif /* Unused error codes */ 182 183 184 /* HFP result data 'ok_flag' */ 185 #define BTA_AG_OK_CONTINUE 0 /* Send out response (more responses coming) */ 186 #define BTA_AG_OK_DONE 1 /* Send out response followed by OK (finished) */ 187 #define BTA_AG_OK_ERROR 2 /* Error response */ 188 189 /* BTRH values */ 190 #define BTA_AG_BTRH_SET_HOLD 0 /* Put incoming call on hold */ 191 #define BTA_AG_BTRH_SET_ACC 1 /* Accept incoming call on hold */ 192 #define BTA_AG_BTRH_SET_REJ 2 /* Reject incoming call on hold */ 193 #define BTA_AG_BTRH_READ 3 /* Read the current value */ 194 #define BTA_AG_BTRH_NO_RESP 4 /* Not in RH States (reply to read) */ 195 196 /* ASCII character string of arguments to the AT command or result */ 197 #ifndef BTA_AG_AT_MAX_LEN 198 #define BTA_AG_AT_MAX_LEN 256 199 #endif 200 201 /* data associated with BTA_AG_IND_RES */ 202 typedef struct 203 { 204 UINT16 id; 205 UINT16 value; 206 } tBTA_AG_IND; 207 208 /* data type for BTA_AgResult() */ 209 typedef struct 210 { 211 char str[BTA_AG_AT_MAX_LEN+1]; 212 tBTA_AG_IND ind; 213 UINT16 num; 214 UINT16 audio_handle; 215 UINT16 errcode; /* Valid only if 'ok_flag' is set to BTA_AG_OK_ERROR */ 216 UINT8 ok_flag; /* Indicates if response is finished, and if error occurred */ 217 BOOLEAN state; 218 } tBTA_AG_RES_DATA; 219 220 /* AG callback events */ 221 #define BTA_AG_ENABLE_EVT 0 /* AG enabled */ 222 #define BTA_AG_REGISTER_EVT 1 /* AG registered */ 223 #define BTA_AG_OPEN_EVT 2 /* AG connection open */ 224 #define BTA_AG_CLOSE_EVT 3 /* AG connection closed */ 225 #define BTA_AG_CONN_EVT 4 /* Service level connection opened */ 226 #define BTA_AG_AUDIO_OPEN_EVT 5 /* Audio connection open */ 227 #define BTA_AG_AUDIO_CLOSE_EVT 6 /* Audio connection closed */ 228 #define BTA_AG_SPK_EVT 7 /* Speaker volume changed */ 229 #define BTA_AG_MIC_EVT 8 /* Microphone volume changed */ 230 #define BTA_AG_AT_CKPD_EVT 9 /* CKPD from the HS */ 231 #define BTA_AG_DISABLE_EVT 30 /* AG disabled */ 232 233 /* Values below are for HFP only */ 234 #define BTA_AG_AT_A_EVT 10 /* Answer a call */ 235 #define BTA_AG_AT_D_EVT 11 /* Place a call using number or memory dial */ 236 #define BTA_AG_AT_CHLD_EVT 12 /* Call hold */ 237 #define BTA_AG_AT_CHUP_EVT 13 /* Hang up a call */ 238 #define BTA_AG_AT_CIND_EVT 14 /* Read indicator settings */ 239 #define BTA_AG_AT_VTS_EVT 15 /* Transmit DTMF tone */ 240 #define BTA_AG_AT_BINP_EVT 16 /* Retrieve number from voice tag */ 241 #define BTA_AG_AT_BLDN_EVT 17 /* Place call to last dialed number */ 242 #define BTA_AG_AT_BVRA_EVT 18 /* Enable/disable voice recognition */ 243 #define BTA_AG_AT_NREC_EVT 19 /* Disable echo canceling */ 244 #define BTA_AG_AT_CNUM_EVT 20 /* Retrieve subscriber number */ 245 #define BTA_AG_AT_BTRH_EVT 21 /* CCAP-style incoming call hold */ 246 #define BTA_AG_AT_CLCC_EVT 22 /* Query list of current calls */ 247 #define BTA_AG_AT_COPS_EVT 23 /* Query list of current calls */ 248 #define BTA_AG_AT_UNAT_EVT 24 /* Unknown AT command */ 249 #define BTA_AG_AT_CBC_EVT 25 /* Battery Level report from HF */ 250 #define BTA_AG_AT_BAC_EVT 26 /* Codec select */ 251 #define BTA_AG_AT_BCS_EVT 27 /* Codec select */ 252 253 typedef UINT8 tBTA_AG_EVT; 254 255 /* data associated with most non-AT events */ 256 typedef struct 257 { 258 UINT16 handle; 259 UINT8 app_id; 260 } tBTA_AG_HDR; 261 262 /* data associated with BTA_AG_REGISTER_EVT */ 263 typedef struct 264 { 265 tBTA_AG_HDR hdr; 266 tBTA_AG_STATUS status; 267 } tBTA_AG_REGISTER; 268 269 /* data associated with BTA_AG_OPEN_EVT */ 270 typedef struct 271 { 272 tBTA_AG_HDR hdr; 273 BD_ADDR bd_addr; 274 tBTA_SERVICE_ID service_id; 275 tBTA_AG_STATUS status; 276 } tBTA_AG_OPEN; 277 278 /* data associated with BTA_AG_CONN_EVT */ 279 typedef struct 280 { 281 tBTA_AG_HDR hdr; 282 tBTA_AG_PEER_FEAT peer_feat; 283 tBTA_AG_PEER_CODEC peer_codec; 284 } tBTA_AG_CONN; 285 286 /* data associated with AT command event */ 287 typedef struct 288 { 289 tBTA_AG_HDR hdr; 290 char str[BTA_AG_AT_MAX_LEN+1]; 291 UINT16 num; 292 UINT8 idx; /* call number used by CLCC and CHLD */ 293 } tBTA_AG_VAL; 294 295 /* union of data associated with AG callback */ 296 typedef union 297 { 298 tBTA_AG_HDR hdr; 299 tBTA_AG_REGISTER reg; 300 tBTA_AG_OPEN open; 301 tBTA_AG_CONN conn; 302 tBTA_AG_VAL val; 303 } tBTA_AG; 304 305 /* AG callback */ 306 typedef void (tBTA_AG_CBACK)(tBTA_AG_EVT event, tBTA_AG *p_data); 307 308 /* indicator constants HFP 1.1 and later */ 309 #define BTA_AG_IND_CALL 1 /* position of call indicator */ 310 #define BTA_AG_IND_CALLSETUP 2 /* position of callsetup indicator */ 311 #define BTA_AG_IND_SERVICE 3 /* position of service indicator */ 312 313 /* indicator constants HFP 1.5 and later */ 314 #define BTA_AG_IND_SIGNAL 4 /* position of signal strength indicator */ 315 #define BTA_AG_IND_ROAM 5 /* position of roaming indicator */ 316 #define BTA_AG_IND_BATTCHG 6 /* position of battery charge indicator */ 317 #define BTA_AG_IND_CALLHELD 7 /* position of callheld indicator */ 318 #define BTA_AG_IND_BEARER 8 /* position of bearer indicator */ 319 320 /* call indicator values */ 321 #define BTA_AG_CALL_INACTIVE 0 /* Phone call inactive */ 322 #define BTA_AG_CALL_ACTIVE 1 /* Phone call active */ 323 324 /* callsetup indicator values */ 325 #define BTA_AG_CALLSETUP_NONE 0 /* Not currently in call set up */ 326 #define BTA_AG_CALLSETUP_INCOMING 1 /* Incoming call process ongoing */ 327 #define BTA_AG_CALLSETUP_OUTGOING 2 /* Outgoing call set up is ongoing */ 328 #define BTA_AG_CALLSETUP_ALERTING 3 /* Remote party being alerted in an outgoing call */ 329 330 /* service indicator values */ 331 #define BTA_AG_SERVICE_NONE 0 /* Neither CS nor VoIP service is available */ 332 #define BTA_AG_SERVICE_CS 1 /* Only CS service is available */ 333 #define BTA_AG_SERVICE_VOIP 2 /* Only VoIP service is available */ 334 #define BTA_AG_SERVICE_CS_VOIP 3 /* Both CS and VoIP services available */ 335 336 /* callheld indicator values */ 337 #define BTA_AG_CALLHELD_INACTIVE 0 /* No held calls */ 338 #define BTA_AG_CALLHELD_ACTIVE 1 /* Call held and call active */ 339 #define BTA_AG_CALLHELD_NOACTIVE 2 /* Call held and no call active */ 340 341 /* signal strength indicator values */ 342 #define BTA_AG_ROAMING_INACTIVE 0 /* Phone call inactive */ 343 #define BTA_AG_ROAMING_ACTIVE 1 /* Phone call active */ 344 345 /* bearer indicator values */ 346 #define BTA_AG_BEARER_WLAN 0 /* WLAN */ 347 #define BTA_AG_BEARER_BLUETOOTH 1 /* Bluetooth */ 348 #define BTA_AG_BEARER_WIRED 2 /* Wired */ 349 #define BTA_AG_BEARER_2G3G 3 /* 2G 3G */ 350 #define BTA_AG_BEARER_WIMAX 4 /* WIMAX */ 351 #define BTA_AG_BEARER_RES1 5 /* Reserved */ 352 #define BTA_AG_BEARER_RES2 6 /* Reserved */ 353 #define BTA_AG_BEARER_RES3 7 /* Reserved */ 354 355 /* AG configuration structure */ 356 typedef struct 357 { 358 char *cind_info; 359 INT32 conn_tout; 360 UINT16 sco_pkt_types; 361 char *chld_val_ecc; 362 char *chld_val; 363 } tBTA_AG_CFG; 364 365 #ifdef __cplusplus 366 extern "C" 367 { 368 #endif 369 370 /***************************************************************************** 371 ** External Function Declarations 372 *****************************************************************************/ 373 374 /******************************************************************************* 375 ** 376 ** Function BTA_AgEnable 377 ** 378 ** Description Enable the audio gateway service. When the enable 379 ** operation is complete the callback function will be 380 ** called with a BTA_AG_ENABLE_EVT. This function must 381 ** be called before other function in the AG API are 382 ** called. 383 ** 384 ** Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise. 385 ** 386 *******************************************************************************/ 387 BTA_API tBTA_STATUS BTA_AgEnable(tBTA_AG_PARSE_MODE parse_mode, tBTA_AG_CBACK *p_cback); 388 389 /******************************************************************************* 390 ** 391 ** Function BTA_AgDisable 392 ** 393 ** Description Disable the audio gateway service 394 ** 395 ** 396 ** Returns void 397 ** 398 *******************************************************************************/ 399 BTA_API void BTA_AgDisable(void); 400 401 /******************************************************************************* 402 ** 403 ** Function BTA_AgRegister 404 ** 405 ** Description Register an Audio Gateway service. 406 ** 407 ** 408 ** Returns void 409 ** 410 *******************************************************************************/ 411 BTA_API void BTA_AgRegister(tBTA_SERVICE_MASK services, tBTA_SEC sec_mask, 412 tBTA_AG_FEAT features, char *p_service_names[], UINT8 app_id); 413 414 /******************************************************************************* 415 ** 416 ** Function BTA_AgDeregister 417 ** 418 ** Description Deregister an audio gateway service. 419 ** 420 ** 421 ** Returns void 422 ** 423 *******************************************************************************/ 424 BTA_API void BTA_AgDeregister(UINT16 handle); 425 426 /******************************************************************************* 427 ** 428 ** Function BTA_AgOpen 429 ** 430 ** Description Opens a connection to a headset or hands-free device. 431 ** When connection is open callback function is called 432 ** with a BTA_AG_OPEN_EVT. Only the data connection is 433 ** opened. The audio connection is not opened. 434 ** 435 ** 436 ** Returns void 437 ** 438 *******************************************************************************/ 439 BTA_API void BTA_AgOpen(UINT16 handle, BD_ADDR bd_addr, tBTA_SEC sec_mask, tBTA_SERVICE_MASK services); 440 441 /******************************************************************************* 442 ** 443 ** Function BTA_AgClose 444 ** 445 ** Description Close the current connection to a headset or a handsfree 446 ** Any current audio connection will also be closed 447 ** 448 ** 449 ** Returns void 450 ** 451 *******************************************************************************/ 452 BTA_API void BTA_AgClose(UINT16 handle); 453 454 /******************************************************************************* 455 ** 456 ** Function BTA_AgAudioOpen 457 ** 458 ** Description Opens an audio connection to the currently connected 459 ** headset or hnadsfree 460 ** 461 ** 462 ** Returns void 463 ** 464 *******************************************************************************/ 465 BTA_API void BTA_AgAudioOpen(UINT16 handle); 466 467 /******************************************************************************* 468 ** 469 ** Function BTA_AgAudioClose 470 ** 471 ** Description Close the currently active audio connection to a headset 472 ** or hnadsfree. The data connection remains open 473 ** 474 ** 475 ** Returns void 476 ** 477 *******************************************************************************/ 478 BTA_API void BTA_AgAudioClose(UINT16 handle); 479 480 /******************************************************************************* 481 ** 482 ** Function BTA_AgResult 483 ** 484 ** Description Send an AT result code to a headset or hands-free device. 485 ** This function is only used when the AG parse mode is set 486 ** to BTA_AG_PARSE. 487 ** 488 ** 489 ** Returns void 490 ** 491 *******************************************************************************/ 492 BTA_API void BTA_AgResult(UINT16 handle, tBTA_AG_RES result, tBTA_AG_RES_DATA *p_data); 493 494 /******************************************************************************* 495 ** 496 ** Function BTA_AgSetCodec 497 ** 498 ** Description Specify the codec type to be used for the subsequent 499 ** audio connection. 500 ** 501 ** 502 ** 503 ** Returns void 504 ** 505 *******************************************************************************/ 506 BTA_API void BTA_AgSetCodec(UINT16 handle, tBTA_AG_PEER_CODEC codec); 507 508 #ifdef __cplusplus 509 } 510 #endif 511 512 #endif /* BTA_AG_API_H */ 513 514 515
