Hemant Gupta | 3fe1b49 | 2014-04-29 16:23:59 +0530 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2009-2012 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 | * Filename: btif_hf.c |
| 22 | * |
| 23 | * Description: Handsfree Profile Bluetooth Interface |
| 24 | * |
| 25 | * |
| 26 | ***********************************************************************************/ |
| 27 | |
| 28 | #include <hardware/bluetooth.h> |
| 29 | #include <hardware/bt_hf.h> |
| 30 | #include <stdlib.h> |
| 31 | |
| 32 | #define LOG_TAG "BTIF_HF" |
| 33 | #include "btif_common.h" |
| 34 | #include "btif_util.h" |
| 35 | #include "btif_profile_queue.h" |
| 36 | |
| 37 | #include "bd.h" |
| 38 | #include "bta_ag_api.h" |
| 39 | |
| 40 | /************************************************************************************ |
| 41 | ** Constants & Macros |
| 42 | ************************************************************************************/ |
| 43 | #ifndef BTIF_HSAG_SERVICE_NAME |
| 44 | #define BTIF_HSAG_SERVICE_NAME ("Headset Gateway") |
| 45 | #endif |
| 46 | |
| 47 | #ifndef BTIF_HFAG_SERVICE_NAME |
| 48 | #define BTIF_HFAG_SERVICE_NAME ("Handsfree Gateway") |
| 49 | #endif |
| 50 | |
| 51 | #ifndef BTIF_HF_SERVICES |
| 52 | #define BTIF_HF_SERVICES (BTA_HSP_SERVICE_MASK | BTA_HFP_SERVICE_MASK ) |
| 53 | #endif |
| 54 | |
| 55 | #ifndef BTIF_HF_SERVICE_NAMES |
| 56 | #define BTIF_HF_SERVICE_NAMES {BTIF_HSAG_SERVICE_NAME , BTIF_HFAG_SERVICE_NAME} |
| 57 | #endif |
| 58 | |
| 59 | #ifndef BTIF_HF_SECURITY |
| 60 | #define BTIF_HF_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) |
| 61 | #endif |
| 62 | |
| 63 | #ifndef BTIF_HF_FEATURES |
| 64 | #define BTIF_HF_FEATURES ( BTA_AG_FEAT_3WAY | \ |
| 65 | BTA_AG_FEAT_ECNR | \ |
| 66 | BTA_AG_FEAT_REJECT | \ |
| 67 | BTA_AG_FEAT_ECS | \ |
| 68 | BTA_AG_FEAT_EXTERR | \ |
| 69 | BTA_AG_FEAT_BTRH | \ |
| 70 | BTA_AG_FEAT_VREC | \ |
| 71 | BTA_AG_FEAT_UNAT) |
| 72 | #endif |
| 73 | |
| 74 | #define BTIF_HF_ID_1 0 |
| 75 | |
| 76 | #define BTIF_HF_CALL_END_TIMEOUT 6 |
| 77 | |
| 78 | /************************************************************************************ |
| 79 | ** Local type definitions |
| 80 | ************************************************************************************/ |
| 81 | |
| 82 | /************************************************************************************ |
| 83 | ** Static variables |
| 84 | ************************************************************************************/ |
| 85 | static bthf_callbacks_t *bt_hf_callbacks = NULL; |
| 86 | |
| 87 | #define CHECK_BTHF_INIT() if (bt_hf_callbacks == NULL)\ |
| 88 | {\ |
| 89 | BTIF_TRACE_WARNING1("BTHF: %s: BTHF not initialized", __FUNCTION__);\ |
| 90 | return BT_STATUS_NOT_READY;\ |
| 91 | }\ |
| 92 | else\ |
| 93 | {\ |
| 94 | BTIF_TRACE_EVENT1("BTHF: %s", __FUNCTION__);\ |
| 95 | } |
| 96 | |
| 97 | #define CHECK_BTHF_SLC_CONNECTED() if (bt_hf_callbacks == NULL)\ |
| 98 | {\ |
| 99 | BTIF_TRACE_WARNING1("BTHF: %s: BTHF not initialized", __FUNCTION__);\ |
| 100 | return BT_STATUS_NOT_READY;\ |
| 101 | }\ |
| 102 | else if (btif_hf_cb.state != BTHF_CONNECTION_STATE_SLC_CONNECTED)\ |
| 103 | {\ |
| 104 | BTIF_TRACE_WARNING2("BTHF: %s: SLC connection not up. state=%s", __FUNCTION__, dump_hf_conn_state(btif_hf_cb.state));\ |
| 105 | return BT_STATUS_NOT_READY;\ |
| 106 | }\ |
| 107 | else\ |
| 108 | {\ |
| 109 | BTIF_TRACE_EVENT1("BTHF: %s", __FUNCTION__);\ |
| 110 | } |
| 111 | |
| 112 | /* BTIF-HF control block to map bdaddr to BTA handle */ |
| 113 | typedef struct _btif_hf_cb |
| 114 | { |
| 115 | UINT16 handle; |
| 116 | bt_bdaddr_t connected_bda; |
| 117 | bthf_connection_state_t state; |
| 118 | bthf_vr_state_t vr_state; |
| 119 | tBTA_AG_PEER_FEAT peer_feat; |
| 120 | int num_active; |
| 121 | int num_held; |
| 122 | struct timespec call_end_timestamp; |
| 123 | bthf_call_state_t call_setup_state; |
| 124 | } btif_hf_cb_t; |
| 125 | |
| 126 | static btif_hf_cb_t btif_hf_cb; |
| 127 | |
| 128 | |
| 129 | /************************************************************************************ |
| 130 | ** Static functions |
| 131 | ************************************************************************************/ |
| 132 | |
| 133 | /************************************************************************************ |
| 134 | ** Externs |
| 135 | ************************************************************************************/ |
| 136 | |
| 137 | /************************************************************************************ |
| 138 | ** Functions |
| 139 | ************************************************************************************/ |
| 140 | |
| 141 | /******************************************************************************* |
| 142 | ** |
| 143 | ** Function is_connected |
| 144 | ** |
| 145 | ** Description Internal function to check if HF is connected |
| 146 | ** |
| 147 | ** Returns TRUE if connected |
| 148 | ** |
| 149 | *******************************************************************************/ |
| 150 | static BOOLEAN is_connected(bt_bdaddr_t *bd_addr) |
| 151 | { |
| 152 | if (((btif_hf_cb.state == BTHF_CONNECTION_STATE_CONNECTED) || (btif_hf_cb.state == BTHF_CONNECTION_STATE_SLC_CONNECTED))&& |
| 153 | ((bd_addr == NULL) || (bdcmp(bd_addr->address, btif_hf_cb.connected_bda.address) == 0))) |
| 154 | return TRUE; |
| 155 | else |
| 156 | return FALSE; |
| 157 | } |
| 158 | |
| 159 | /******************************************************************************* |
| 160 | ** |
| 161 | ** Function callstate_to_callsetup |
| 162 | ** |
| 163 | ** Description Converts HAL call state to BTA call setup indicator value |
| 164 | ** |
| 165 | ** Returns BTA call indicator value |
| 166 | ** |
| 167 | *******************************************************************************/ |
| 168 | static UINT8 callstate_to_callsetup(bthf_call_state_t call_state) |
| 169 | { |
| 170 | UINT8 call_setup = 0; |
| 171 | if (call_state == BTHF_CALL_STATE_INCOMING) |
| 172 | call_setup = 1; |
| 173 | if (call_state == BTHF_CALL_STATE_DIALING) |
| 174 | call_setup = 2; |
| 175 | if (call_state == BTHF_CALL_STATE_ALERTING) |
| 176 | call_setup = 3; |
| 177 | |
| 178 | return call_setup; |
| 179 | } |
| 180 | |
| 181 | /******************************************************************************* |
| 182 | ** |
| 183 | ** Function send_at_result |
| 184 | ** |
| 185 | ** Description Send AT result code (OK/ERROR) |
| 186 | ** |
| 187 | ** Returns void |
| 188 | ** |
| 189 | *******************************************************************************/ |
| 190 | static void send_at_result(UINT8 ok_flag, UINT16 errcode) |
| 191 | { |
| 192 | tBTA_AG_RES_DATA ag_res; |
| 193 | memset (&ag_res, 0, sizeof (ag_res)); |
| 194 | |
| 195 | ag_res.ok_flag = ok_flag; |
| 196 | if (ok_flag == BTA_AG_OK_ERROR) |
| 197 | { |
| 198 | ag_res.errcode = errcode; |
| 199 | } |
| 200 | |
| 201 | BTA_AgResult (btif_hf_cb.handle, BTA_AG_UNAT_RES, &ag_res); |
| 202 | } |
| 203 | |
| 204 | /******************************************************************************* |
| 205 | ** |
| 206 | ** Function send_indicator_update |
| 207 | ** |
| 208 | ** Description Send indicator update (CIEV) |
| 209 | ** |
| 210 | ** Returns void |
| 211 | ** |
| 212 | *******************************************************************************/ |
| 213 | static void send_indicator_update (UINT16 indicator, UINT16 value) |
| 214 | { |
| 215 | tBTA_AG_RES_DATA ag_res; |
| 216 | |
| 217 | memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| 218 | ag_res.ind.id = indicator; |
| 219 | ag_res.ind.value = value; |
| 220 | |
| 221 | BTA_AgResult(BTA_AG_HANDLE_ALL, BTA_AG_IND_RES, &ag_res); |
| 222 | } |
| 223 | |
| 224 | void clear_phone_state() |
| 225 | { |
| 226 | btif_hf_cb.call_setup_state = BTHF_CALL_STATE_IDLE; |
| 227 | btif_hf_cb.num_active = btif_hf_cb.num_held = 0; |
| 228 | } |
| 229 | |
| 230 | |
| 231 | /***************************************************************************** |
| 232 | ** Section name (Group of functions) |
| 233 | *****************************************************************************/ |
| 234 | |
| 235 | /***************************************************************************** |
| 236 | ** |
| 237 | ** btif hf api functions (no context switch) |
| 238 | ** |
| 239 | *****************************************************************************/ |
| 240 | |
| 241 | |
| 242 | /******************************************************************************* |
| 243 | ** |
| 244 | ** Function btif_hf_upstreams_evt |
| 245 | ** |
| 246 | ** Description Executes HF UPSTREAMS events in btif context |
| 247 | ** |
| 248 | ** Returns void |
| 249 | ** |
| 250 | *******************************************************************************/ |
| 251 | static void btif_hf_upstreams_evt(UINT16 event, char* p_param) |
| 252 | { |
| 253 | tBTA_AG *p_data = (tBTA_AG *)p_param; |
| 254 | bdstr_t bdstr; |
| 255 | |
| 256 | BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_hf_event(event)); |
| 257 | |
| 258 | switch (event) |
| 259 | { |
| 260 | case BTA_AG_ENABLE_EVT: |
| 261 | case BTA_AG_DISABLE_EVT: |
| 262 | break; |
| 263 | |
| 264 | case BTA_AG_REGISTER_EVT: |
| 265 | btif_hf_cb.handle = p_data->reg.hdr.handle; |
| 266 | break; |
| 267 | |
| 268 | case BTA_AG_OPEN_EVT: |
| 269 | if (p_data->open.status == BTA_AG_SUCCESS) |
| 270 | { |
| 271 | bdcpy(btif_hf_cb.connected_bda.address, p_data->open.bd_addr); |
| 272 | btif_hf_cb.state = BTHF_CONNECTION_STATE_CONNECTED; |
| 273 | btif_hf_cb.peer_feat = 0; |
| 274 | clear_phone_state(); |
| 275 | } |
| 276 | else if (btif_hf_cb.state == BTHF_CONNECTION_STATE_CONNECTING) |
| 277 | { |
| 278 | btif_hf_cb.state = BTHF_CONNECTION_STATE_DISCONNECTED; |
| 279 | } |
| 280 | else |
| 281 | { |
| 282 | BTIF_TRACE_WARNING4("%s: AG open failed, but another device connected. status=%d state=%d connected device=%s", |
| 283 | __FUNCTION__, p_data->open.status, btif_hf_cb.state, bd2str(&btif_hf_cb.connected_bda, &bdstr)); |
| 284 | break; |
| 285 | } |
| 286 | |
| 287 | HAL_CBACK(bt_hf_callbacks, connection_state_cb, btif_hf_cb.state, &btif_hf_cb.connected_bda); |
| 288 | |
| 289 | if (btif_hf_cb.state == BTHF_CONNECTION_STATE_DISCONNECTED) |
| 290 | bdsetany(btif_hf_cb.connected_bda.address); |
| 291 | |
| 292 | if (p_data->open.status != BTA_AG_SUCCESS) |
| 293 | btif_queue_advance(); |
| 294 | break; |
| 295 | |
| 296 | case BTA_AG_CLOSE_EVT: |
| 297 | btif_hf_cb.state = BTHF_CONNECTION_STATE_DISCONNECTED; |
| 298 | HAL_CBACK(bt_hf_callbacks, connection_state_cb, btif_hf_cb.state, &btif_hf_cb.connected_bda); |
| 299 | bdsetany(btif_hf_cb.connected_bda.address); |
| 300 | btif_hf_cb.peer_feat = 0; |
| 301 | clear_phone_state(); |
| 302 | /* If AG_OPEN was received but SLC was not setup in a specified time (10 seconds), |
| 303 | ** then AG_CLOSE may be received. We need to advance the queue here |
| 304 | */ |
| 305 | btif_queue_advance(); |
| 306 | break; |
| 307 | |
| 308 | case BTA_AG_CONN_EVT: |
| 309 | btif_hf_cb.peer_feat = p_data->conn.peer_feat; |
| 310 | btif_hf_cb.state = BTHF_CONNECTION_STATE_SLC_CONNECTED; |
| 311 | |
| 312 | HAL_CBACK(bt_hf_callbacks, connection_state_cb, btif_hf_cb.state, |
| 313 | &btif_hf_cb.connected_bda); |
| 314 | btif_queue_advance(); |
| 315 | break; |
| 316 | |
| 317 | case BTA_AG_AUDIO_OPEN_EVT: |
| 318 | HAL_CBACK(bt_hf_callbacks, audio_state_cb, BTHF_AUDIO_STATE_CONNECTED, &btif_hf_cb.connected_bda); |
| 319 | break; |
| 320 | |
| 321 | case BTA_AG_AUDIO_CLOSE_EVT: |
| 322 | HAL_CBACK(bt_hf_callbacks, audio_state_cb, BTHF_AUDIO_STATE_DISCONNECTED, &btif_hf_cb.connected_bda); |
| 323 | break; |
| 324 | |
| 325 | /* BTA auto-responds, silently discard */ |
| 326 | case BTA_AG_SPK_EVT: |
| 327 | case BTA_AG_MIC_EVT: |
| 328 | HAL_CBACK(bt_hf_callbacks, volume_cmd_cb, |
| 329 | (event == BTA_AG_SPK_EVT) ? BTHF_VOLUME_TYPE_SPK : BTHF_VOLUME_TYPE_MIC, p_data->val.num); |
| 330 | break; |
| 331 | |
| 332 | case BTA_AG_AT_A_EVT: |
| 333 | HAL_CBACK(bt_hf_callbacks, answer_call_cmd_cb); |
| 334 | break; |
| 335 | |
| 336 | /* Java needs to send OK/ERROR for these commands */ |
| 337 | case BTA_AG_AT_BLDN_EVT: |
| 338 | case BTA_AG_AT_D_EVT: |
| 339 | HAL_CBACK(bt_hf_callbacks, dial_call_cmd_cb, |
| 340 | (event == BTA_AG_AT_D_EVT) ? p_data->val.str : NULL); |
| 341 | break; |
| 342 | |
| 343 | case BTA_AG_AT_CHUP_EVT: |
| 344 | HAL_CBACK(bt_hf_callbacks, hangup_call_cmd_cb); |
| 345 | break; |
| 346 | |
| 347 | case BTA_AG_AT_CIND_EVT: |
| 348 | HAL_CBACK(bt_hf_callbacks, cind_cmd_cb); |
| 349 | break; |
| 350 | |
| 351 | case BTA_AG_AT_VTS_EVT: |
| 352 | HAL_CBACK(bt_hf_callbacks, dtmf_cmd_cb, p_data->val.str[0]); |
| 353 | break; |
| 354 | |
| 355 | case BTA_AG_AT_BVRA_EVT: |
| 356 | HAL_CBACK(bt_hf_callbacks, vr_cmd_cb, |
| 357 | (p_data->val.num == 1) ? BTHF_VR_STATE_STARTED : BTHF_VR_STATE_STOPPED); |
| 358 | break; |
| 359 | |
| 360 | case BTA_AG_AT_NREC_EVT: |
| 361 | HAL_CBACK(bt_hf_callbacks, nrec_cmd_cb, |
| 362 | (p_data->val.num == 1) ? BTHF_NREC_START : BTHF_NREC_STOP); |
| 363 | break; |
| 364 | |
| 365 | /* TODO: Add a callback for CBC */ |
| 366 | case BTA_AG_AT_CBC_EVT: |
| 367 | break; |
| 368 | |
| 369 | case BTA_AG_AT_CKPD_EVT: |
| 370 | HAL_CBACK(bt_hf_callbacks, key_pressed_cmd_cb); |
| 371 | break; |
| 372 | |
| 373 | /* Java needs to send OK/ERROR for these commands */ |
| 374 | case BTA_AG_AT_CHLD_EVT: |
| 375 | HAL_CBACK(bt_hf_callbacks, chld_cmd_cb, atoi(p_data->val.str)); |
| 376 | break; |
| 377 | |
| 378 | case BTA_AG_AT_CLCC_EVT: |
| 379 | HAL_CBACK(bt_hf_callbacks, clcc_cmd_cb, p_data->val.num); |
| 380 | break; |
| 381 | |
| 382 | case BTA_AG_AT_COPS_EVT: |
| 383 | HAL_CBACK(bt_hf_callbacks, cops_cmd_cb); |
| 384 | break; |
| 385 | |
| 386 | case BTA_AG_AT_UNAT_EVT: |
| 387 | HAL_CBACK(bt_hf_callbacks, unknown_at_cmd_cb, |
| 388 | p_data->val.str); |
| 389 | break; |
| 390 | |
| 391 | case BTA_AG_AT_CNUM_EVT: |
| 392 | HAL_CBACK(bt_hf_callbacks, cnum_cmd_cb); |
| 393 | break; |
| 394 | |
| 395 | /* TODO: Some of these commands may need to be sent to app. For now respond with error */ |
| 396 | case BTA_AG_AT_BINP_EVT: |
| 397 | case BTA_AG_AT_BTRH_EVT: |
| 398 | send_at_result(BTA_AG_OK_ERROR, BTA_AG_ERR_OP_NOT_SUPPORTED); |
| 399 | break; |
| 400 | |
| 401 | |
| 402 | default: |
| 403 | BTIF_TRACE_WARNING2("%s: Unhandled event: %d", __FUNCTION__, event); |
| 404 | break; |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | /******************************************************************************* |
| 409 | ** |
| 410 | ** Function bte_hf_evt |
| 411 | ** |
| 412 | ** Description Switches context from BTE to BTIF for all HF events |
| 413 | ** |
| 414 | ** Returns void |
| 415 | ** |
| 416 | *******************************************************************************/ |
| 417 | |
| 418 | static void bte_hf_evt(tBTA_AG_EVT event, tBTA_AG *p_data) |
| 419 | { |
| 420 | bt_status_t status; |
| 421 | int param_len = 0; |
| 422 | |
| 423 | /* TODO: BTA sends the union members and not tBTA_AG. If using param_len=sizeof(tBTA_AG), we get a crash on memcpy */ |
| 424 | if (BTA_AG_REGISTER_EVT == event) |
| 425 | param_len = sizeof(tBTA_AG_REGISTER); |
| 426 | else if (BTA_AG_OPEN_EVT == event) |
| 427 | param_len = sizeof(tBTA_AG_OPEN); |
| 428 | else if (BTA_AG_CONN_EVT == event) |
| 429 | param_len = sizeof(tBTA_AG_CONN); |
| 430 | else if ( (BTA_AG_CLOSE_EVT == event) || (BTA_AG_AUDIO_OPEN_EVT == event) || (BTA_AG_AUDIO_CLOSE_EVT == event)) |
| 431 | param_len = sizeof(tBTA_AG_HDR); |
| 432 | else if (p_data) |
| 433 | param_len = sizeof(tBTA_AG_VAL); |
| 434 | |
| 435 | /* switch context to btif task context (copy full union size for convenience) */ |
| 436 | status = btif_transfer_context(btif_hf_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); |
| 437 | |
| 438 | /* catch any failed context transfers */ |
| 439 | ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); |
| 440 | } |
| 441 | |
| 442 | |
| 443 | /******************************************************************************* |
| 444 | ** |
| 445 | ** Function btif_in_hf_generic_evt |
| 446 | ** |
| 447 | ** Description Processes generic events to be sent to JNI that are not triggered from the BTA. |
| 448 | ** Always runs in BTIF context |
| 449 | ** |
| 450 | ** Returns void |
| 451 | ** |
| 452 | *******************************************************************************/ |
| 453 | static void btif_in_hf_generic_evt(UINT16 event, char *p_param) |
| 454 | { |
| 455 | UNUSED(p_param); |
| 456 | |
| 457 | BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); |
| 458 | switch (event) { |
| 459 | case BTIF_HFP_CB_AUDIO_CONNECTING: |
| 460 | { |
| 461 | HAL_CBACK(bt_hf_callbacks, audio_state_cb, BTHF_AUDIO_STATE_CONNECTING, |
| 462 | &btif_hf_cb.connected_bda); |
| 463 | } break; |
| 464 | default: |
| 465 | { |
| 466 | BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event); |
| 467 | } |
| 468 | break; |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | |
| 473 | /******************************************************************************* |
| 474 | ** |
| 475 | ** Function btif_hf_init |
| 476 | ** |
| 477 | ** Description initializes the hf interface |
| 478 | ** |
| 479 | ** Returns bt_status_t |
| 480 | ** |
| 481 | *******************************************************************************/ |
| 482 | static bt_status_t init( bthf_callbacks_t* callbacks ) |
| 483 | { |
| 484 | BTIF_TRACE_EVENT1("%s", __FUNCTION__); |
| 485 | |
| 486 | bt_hf_callbacks = callbacks; |
| 487 | |
| 488 | /* Invoke the enable service API to the core to set the appropriate service_id |
| 489 | * Internally, the HSP_SERVICE_ID shall also be enabled if HFP is enabled (phone) |
| 490 | * othwerwise only HSP is enabled (tablet) |
| 491 | */ |
| 492 | #if (defined(BTIF_HF_SERVICES) && (BTIF_HF_SERVICES & BTA_HFP_SERVICE_MASK)) |
| 493 | btif_enable_service(BTA_HFP_SERVICE_ID); |
| 494 | #else |
| 495 | btif_enable_service(BTA_HSP_SERVICE_ID); |
| 496 | #endif |
| 497 | |
| 498 | memset(&btif_hf_cb, 0, sizeof(btif_hf_cb_t)); |
| 499 | clear_phone_state(); |
| 500 | |
| 501 | return BT_STATUS_SUCCESS; |
| 502 | } |
| 503 | |
| 504 | /******************************************************************************* |
| 505 | ** |
| 506 | ** Function connect |
| 507 | ** |
| 508 | ** Description connect to headset |
| 509 | ** |
| 510 | ** Returns bt_status_t |
| 511 | ** |
| 512 | *******************************************************************************/ |
| 513 | static bt_status_t connect_int( bt_bdaddr_t *bd_addr ) |
| 514 | { |
| 515 | if (!is_connected(bd_addr)) |
| 516 | { |
| 517 | btif_hf_cb.state = BTHF_CONNECTION_STATE_CONNECTING; |
| 518 | bdcpy(btif_hf_cb.connected_bda.address, bd_addr->address); |
| 519 | |
| 520 | BTA_AgOpen(btif_hf_cb.handle, btif_hf_cb.connected_bda.address, |
| 521 | BTIF_HF_SECURITY, BTIF_HF_SERVICES); |
| 522 | return BT_STATUS_SUCCESS; |
| 523 | } |
| 524 | |
| 525 | return BT_STATUS_BUSY; |
| 526 | } |
| 527 | |
| 528 | static bt_status_t connect( bt_bdaddr_t *bd_addr ) |
| 529 | { |
| 530 | CHECK_BTHF_INIT(); |
| 531 | return btif_queue_connect(UUID_SERVCLASS_AG_HANDSFREE, bd_addr, connect_int); |
| 532 | } |
| 533 | |
| 534 | /******************************************************************************* |
| 535 | ** |
| 536 | ** Function disconnect |
| 537 | ** |
| 538 | ** Description disconnect from headset |
| 539 | ** |
| 540 | ** Returns bt_status_t |
| 541 | ** |
| 542 | *******************************************************************************/ |
| 543 | static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) |
| 544 | { |
| 545 | CHECK_BTHF_INIT(); |
| 546 | |
| 547 | if (is_connected(bd_addr)) |
| 548 | { |
| 549 | BTA_AgClose(btif_hf_cb.handle); |
| 550 | return BT_STATUS_SUCCESS; |
| 551 | } |
| 552 | |
| 553 | return BT_STATUS_FAIL; |
| 554 | } |
| 555 | |
| 556 | /******************************************************************************* |
| 557 | ** |
| 558 | ** Function connect_audio |
| 559 | ** |
| 560 | ** Description create an audio connection |
| 561 | ** |
| 562 | ** Returns bt_status_t |
| 563 | ** |
| 564 | *******************************************************************************/ |
| 565 | static bt_status_t connect_audio( bt_bdaddr_t *bd_addr ) |
| 566 | { |
| 567 | CHECK_BTHF_INIT(); |
| 568 | |
| 569 | if (is_connected(bd_addr)) |
| 570 | { |
| 571 | BTA_AgAudioOpen(btif_hf_cb.handle); |
| 572 | |
| 573 | /* Inform the application that the audio connection has been initiated successfully */ |
| 574 | btif_transfer_context(btif_in_hf_generic_evt, BTIF_HFP_CB_AUDIO_CONNECTING, |
| 575 | (char *)bd_addr, sizeof(bt_bdaddr_t), NULL); |
| 576 | return BT_STATUS_SUCCESS; |
| 577 | } |
| 578 | |
| 579 | return BT_STATUS_FAIL; |
| 580 | } |
| 581 | |
| 582 | /******************************************************************************* |
| 583 | ** |
| 584 | ** Function disconnect_audio |
| 585 | ** |
| 586 | ** Description close the audio connection |
| 587 | ** |
| 588 | ** Returns bt_status_t |
| 589 | ** |
| 590 | *******************************************************************************/ |
| 591 | static bt_status_t disconnect_audio( bt_bdaddr_t *bd_addr ) |
| 592 | { |
| 593 | CHECK_BTHF_INIT(); |
| 594 | |
| 595 | if (is_connected(bd_addr)) |
| 596 | { |
| 597 | BTA_AgAudioClose(btif_hf_cb.handle); |
| 598 | return BT_STATUS_SUCCESS; |
| 599 | } |
| 600 | |
| 601 | return BT_STATUS_FAIL; |
| 602 | } |
| 603 | |
| 604 | /******************************************************************************* |
| 605 | ** |
| 606 | ** Function start_voice_recognition |
| 607 | ** |
| 608 | ** Description start voice recognition |
| 609 | ** |
| 610 | ** Returns bt_status_t |
| 611 | ** |
| 612 | *******************************************************************************/ |
| 613 | static bt_status_t start_voice_recognition() |
| 614 | { |
| 615 | CHECK_BTHF_INIT(); |
| 616 | if (is_connected(NULL)) |
| 617 | { |
| 618 | if (btif_hf_cb.peer_feat & BTA_AG_PEER_FEAT_VREC) |
| 619 | { |
| 620 | tBTA_AG_RES_DATA ag_res; |
| 621 | memset(&ag_res, 0, sizeof(ag_res)); |
| 622 | ag_res.state = 1; |
| 623 | BTA_AgResult (btif_hf_cb.handle, BTA_AG_BVRA_RES, &ag_res); |
| 624 | |
| 625 | return BT_STATUS_SUCCESS; |
| 626 | } |
| 627 | else |
| 628 | { |
| 629 | return BT_STATUS_UNSUPPORTED; |
| 630 | } |
| 631 | } |
| 632 | |
| 633 | return BT_STATUS_NOT_READY; |
| 634 | } |
| 635 | |
| 636 | /******************************************************************************* |
| 637 | ** |
| 638 | ** Function stop_voice_recognition |
| 639 | ** |
| 640 | ** Description stop voice recognition |
| 641 | ** |
| 642 | ** Returns bt_status_t |
| 643 | ** |
| 644 | *******************************************************************************/ |
| 645 | static bt_status_t stop_voice_recognition() |
| 646 | { |
| 647 | CHECK_BTHF_INIT(); |
| 648 | |
| 649 | if (is_connected(NULL)) |
| 650 | { |
| 651 | if (btif_hf_cb.peer_feat & BTA_AG_PEER_FEAT_VREC) |
| 652 | { |
| 653 | tBTA_AG_RES_DATA ag_res; |
| 654 | memset(&ag_res, 0, sizeof(ag_res)); |
| 655 | ag_res.state = 0; |
| 656 | BTA_AgResult (btif_hf_cb.handle, BTA_AG_BVRA_RES, &ag_res); |
| 657 | |
| 658 | return BT_STATUS_SUCCESS; |
| 659 | } |
| 660 | else |
| 661 | { |
| 662 | return BT_STATUS_UNSUPPORTED; |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | return BT_STATUS_NOT_READY; |
| 667 | } |
| 668 | |
| 669 | /******************************************************************************* |
| 670 | ** |
| 671 | ** Function volume_control |
| 672 | ** |
| 673 | ** Description volume control |
| 674 | ** |
| 675 | ** Returns bt_status_t |
| 676 | ** |
| 677 | *******************************************************************************/ |
| 678 | static bt_status_t volume_control(bthf_volume_type_t type, int volume) |
| 679 | { |
| 680 | CHECK_BTHF_INIT(); |
| 681 | |
| 682 | tBTA_AG_RES_DATA ag_res; |
| 683 | memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| 684 | if (is_connected(NULL)) |
| 685 | { |
| 686 | ag_res.num = volume; |
| 687 | BTA_AgResult(btif_hf_cb.handle, |
| 688 | (type == BTHF_VOLUME_TYPE_SPK) ? BTA_AG_SPK_RES : BTA_AG_MIC_RES, |
| 689 | &ag_res); |
| 690 | return BT_STATUS_SUCCESS; |
| 691 | } |
| 692 | |
| 693 | return BT_STATUS_FAIL; |
| 694 | } |
| 695 | |
| 696 | /******************************************************************************* |
| 697 | ** |
| 698 | ** Function device_status_notification |
| 699 | ** |
| 700 | ** Description Combined device status change notification |
| 701 | ** |
| 702 | ** Returns bt_status_t |
| 703 | ** |
| 704 | *******************************************************************************/ |
| 705 | static bt_status_t device_status_notification(bthf_network_state_t ntk_state, |
| 706 | bthf_service_type_t svc_type, int signal, int batt_chg) |
| 707 | { |
| 708 | CHECK_BTHF_INIT(); |
| 709 | |
| 710 | if (is_connected(NULL)) |
| 711 | { |
| 712 | /* send all indicators to BTA. |
| 713 | ** BTA will make sure no duplicates are sent out |
| 714 | */ |
| 715 | send_indicator_update(BTA_AG_IND_SERVICE, |
| 716 | (ntk_state == BTHF_NETWORK_STATE_AVAILABLE) ? 1 : 0); |
| 717 | send_indicator_update(BTA_AG_IND_ROAM, |
| 718 | (svc_type == BTHF_SERVICE_TYPE_HOME) ? 0 : 1); |
| 719 | send_indicator_update(BTA_AG_IND_SIGNAL, signal); |
| 720 | send_indicator_update(BTA_AG_IND_BATTCHG, batt_chg); |
| 721 | return BT_STATUS_SUCCESS; |
| 722 | } |
| 723 | |
| 724 | return BT_STATUS_SUCCESS; |
| 725 | } |
| 726 | |
| 727 | /******************************************************************************* |
| 728 | ** |
| 729 | ** Function cops_response |
| 730 | ** |
| 731 | ** Description Response for COPS command |
| 732 | ** |
| 733 | ** Returns bt_status_t |
| 734 | ** |
| 735 | *******************************************************************************/ |
| 736 | static bt_status_t cops_response(const char *cops) |
| 737 | { |
| 738 | CHECK_BTHF_INIT(); |
| 739 | |
| 740 | if (is_connected(NULL)) |
| 741 | { |
| 742 | tBTA_AG_RES_DATA ag_res; |
| 743 | |
| 744 | /* Format the response */ |
| 745 | sprintf (ag_res.str, "0,0,\"%s\"", cops); |
| 746 | ag_res.ok_flag = BTA_AG_OK_DONE; |
| 747 | |
| 748 | BTA_AgResult (btif_hf_cb.handle, BTA_AG_COPS_RES, &ag_res); |
| 749 | return BT_STATUS_SUCCESS; |
| 750 | } |
| 751 | return BT_STATUS_FAIL; |
| 752 | } |
| 753 | |
| 754 | /******************************************************************************* |
| 755 | ** |
| 756 | ** Function cind_response |
| 757 | ** |
| 758 | ** Description Response for CIND command |
| 759 | ** |
| 760 | ** Returns bt_status_t |
| 761 | ** |
| 762 | *******************************************************************************/ |
| 763 | static bt_status_t cind_response(int svc, int num_active, int num_held, |
| 764 | bthf_call_state_t call_setup_state, |
| 765 | int signal, int roam, int batt_chg) |
| 766 | { |
| 767 | CHECK_BTHF_INIT(); |
| 768 | |
| 769 | if (is_connected(NULL)) |
| 770 | { |
| 771 | tBTA_AG_RES_DATA ag_res; |
| 772 | |
| 773 | memset (&ag_res, 0, sizeof (ag_res)); |
| 774 | /* per the errata 2043, call=1 implies atleast one call is in progress (active/held) |
| 775 | ** https://www.bluetooth.org/errata/errata_view.cfm?errata_id=2043 |
| 776 | **/ |
| 777 | sprintf (ag_res.str, "%d,%d,%d,%d,%d,%d,%d", |
| 778 | (num_active + num_held) ? 1 : 0, /* Call state */ |
| 779 | callstate_to_callsetup(call_setup_state), /* Callsetup state */ |
| 780 | svc, /* network service */ |
| 781 | signal, /* Signal strength */ |
| 782 | roam, /* Roaming indicator */ |
| 783 | batt_chg, /* Battery level */ |
| 784 | ((num_held == 0) ? 0 : ((num_active == 0) ? 2 : 1))); /* Call held */ |
| 785 | |
| 786 | BTA_AgResult (btif_hf_cb.handle, BTA_AG_CIND_RES, &ag_res); |
| 787 | |
| 788 | return BT_STATUS_SUCCESS; |
| 789 | } |
| 790 | |
| 791 | return BT_STATUS_FAIL; |
| 792 | } |
| 793 | |
| 794 | /******************************************************************************* |
| 795 | ** |
| 796 | ** Function formatted_at_response |
| 797 | ** |
| 798 | ** Description Pre-formatted AT response, typically in response to unknown AT cmd |
| 799 | ** |
| 800 | ** Returns bt_status_t |
| 801 | ** |
| 802 | *******************************************************************************/ |
| 803 | static bt_status_t formatted_at_response(const char *rsp) |
| 804 | { |
| 805 | CHECK_BTHF_INIT(); |
| 806 | tBTA_AG_RES_DATA ag_res; |
| 807 | |
| 808 | if (is_connected(NULL)) |
| 809 | { |
| 810 | /* Format the response and send */ |
| 811 | memset (&ag_res, 0, sizeof (ag_res)); |
| 812 | strncpy(ag_res.str, rsp, BTA_AG_AT_MAX_LEN); |
| 813 | BTA_AgResult (btif_hf_cb.handle, BTA_AG_UNAT_RES, &ag_res); |
| 814 | |
| 815 | return BT_STATUS_SUCCESS; |
| 816 | } |
| 817 | |
| 818 | return BT_STATUS_FAIL; |
| 819 | } |
| 820 | |
| 821 | /******************************************************************************* |
| 822 | ** |
| 823 | ** Function at_response |
| 824 | ** |
| 825 | ** Description ok/error response |
| 826 | ** |
| 827 | ** Returns bt_status_t |
| 828 | ** |
| 829 | *******************************************************************************/ |
| 830 | static bt_status_t at_response(bthf_at_response_t response_code, int error_code) |
| 831 | { |
| 832 | CHECK_BTHF_INIT(); |
| 833 | |
| 834 | if (is_connected(NULL)) |
| 835 | { |
| 836 | send_at_result((response_code == BTHF_AT_RESPONSE_OK) ? BTA_AG_OK_DONE |
| 837 | : BTA_AG_OK_ERROR, error_code); |
| 838 | return BT_STATUS_SUCCESS; |
| 839 | } |
| 840 | |
| 841 | |
| 842 | return BT_STATUS_FAIL; |
| 843 | } |
| 844 | |
| 845 | /******************************************************************************* |
| 846 | ** |
| 847 | ** Function clcc_response |
| 848 | ** |
| 849 | ** Description response for CLCC command |
| 850 | ** Can be iteratively called for each call index. Call index |
| 851 | ** of 0 will be treated as NULL termination (Completes response) |
| 852 | ** |
| 853 | ** Returns bt_status_t |
| 854 | ** |
| 855 | *******************************************************************************/ |
| 856 | static bt_status_t clcc_response(int index, bthf_call_direction_t dir, |
| 857 | bthf_call_state_t state, bthf_call_mode_t mode, |
| 858 | bthf_call_mpty_type_t mpty, const char *number, |
| 859 | bthf_call_addrtype_t type) |
| 860 | { |
| 861 | CHECK_BTHF_INIT(); |
| 862 | |
| 863 | if (is_connected(NULL)) |
| 864 | { |
| 865 | tBTA_AG_RES_DATA ag_res; |
| 866 | int xx; |
| 867 | |
| 868 | memset (&ag_res, 0, sizeof (ag_res)); |
| 869 | |
| 870 | /* Format the response */ |
| 871 | if (index == 0) |
| 872 | { |
| 873 | ag_res.ok_flag = BTA_AG_OK_DONE; |
| 874 | } |
| 875 | else |
| 876 | { |
| 877 | BTIF_TRACE_EVENT6("clcc_response: [%d] dir %d state %d mode %d number = %s type = %d", |
| 878 | index, dir, state, mode, number, type); |
| 879 | xx = sprintf (ag_res.str, "%d,%d,%d,%d,%d", |
| 880 | index, dir, state, mode, mpty); |
| 881 | |
| 882 | if (number) |
| 883 | { |
| 884 | if ((type == BTHF_CALL_ADDRTYPE_INTERNATIONAL) && (*number != '+')) |
| 885 | sprintf (&ag_res.str[xx], ",\"+%s\",%d", number, type); |
| 886 | else |
| 887 | sprintf (&ag_res.str[xx], ",\"%s\",%d", number, type); |
| 888 | } |
| 889 | } |
| 890 | BTA_AgResult (btif_hf_cb.handle, BTA_AG_CLCC_RES, &ag_res); |
| 891 | |
| 892 | return BT_STATUS_SUCCESS; |
| 893 | } |
| 894 | |
| 895 | return BT_STATUS_FAIL; |
| 896 | } |
| 897 | |
| 898 | /******************************************************************************* |
| 899 | ** |
| 900 | ** Function phone_state_change |
| 901 | ** |
| 902 | ** Description notify of a call state change |
| 903 | ** number & type: valid only for incoming & waiting call |
| 904 | ** |
| 905 | ** Returns bt_status_t |
| 906 | ** |
| 907 | *******************************************************************************/ |
| 908 | |
| 909 | static bt_status_t phone_state_change(int num_active, int num_held, bthf_call_state_t call_setup_state, |
| 910 | const char *number, bthf_call_addrtype_t type) |
| 911 | { |
| 912 | tBTA_AG_RES res = 0xff; |
| 913 | tBTA_AG_RES_DATA ag_res; |
| 914 | bt_status_t status = BT_STATUS_SUCCESS; |
| 915 | BOOLEAN activeCallUpdated = FALSE; |
| 916 | |
| 917 | CHECK_BTHF_SLC_CONNECTED(); |
| 918 | |
| 919 | BTIF_TRACE_DEBUG6("phone_state_change: num_active=%d [prev: %d] num_held=%d[prev: %d]"\ |
| 920 | " call_setup=%s [prev: %s]", num_active, btif_hf_cb.num_active, |
| 921 | num_held, btif_hf_cb.num_held, |
| 922 | dump_hf_call_state(call_setup_state), dump_hf_call_state(btif_hf_cb.call_setup_state)); |
| 923 | |
| 924 | /* if all indicators are 0, send end call and return */ |
| 925 | if (num_active == 0 && num_held == 0 && call_setup_state == BTHF_CALL_STATE_IDLE) |
| 926 | { |
| 927 | BTIF_TRACE_DEBUG1("%s: Phone on hook", __FUNCTION__); |
| 928 | |
| 929 | /* record call termination timestamp if there was an active/held call or callsetup state > BTHF_CALL_STATE_IDLE */ |
| 930 | if ((btif_hf_cb.call_setup_state != BTHF_CALL_STATE_IDLE ) || (btif_hf_cb.num_active) ||(btif_hf_cb.num_held)) |
| 931 | { |
| 932 | BTIF_TRACE_DEBUG1("%s: Record call termination timestamp", __FUNCTION__); |
| 933 | clock_gettime(CLOCK_MONOTONIC, &btif_hf_cb.call_end_timestamp); |
| 934 | } |
| 935 | BTA_AgResult (BTA_AG_HANDLE_ALL, BTA_AG_END_CALL_RES, NULL); |
| 936 | |
| 937 | /* if held call was present, reset that as well */ |
| 938 | if (btif_hf_cb.num_held) |
| 939 | send_indicator_update(BTA_AG_IND_CALLHELD, 0); |
| 940 | |
| 941 | goto update_call_states; |
| 942 | } |
| 943 | |
| 944 | /* active state can change when: |
| 945 | ** 1. an outgoing/incoming call was answered |
| 946 | ** 2. an held was resumed |
| 947 | ** 3. without callsetup notifications, call became active |
| 948 | ** (3) can happen if call is active and a headset connects to us |
| 949 | ** |
| 950 | ** In the case of (3), we will have to notify the stack of an active |
| 951 | ** call, instead of sending an indicator update. This will also |
| 952 | ** force the SCO to be setup. Handle this special case here prior to |
| 953 | ** call setup handling |
| 954 | */ |
| 955 | if ( (num_active == 1) && (btif_hf_cb.num_active == 0) && (btif_hf_cb.num_held == 0) && |
| 956 | (btif_hf_cb.call_setup_state == BTHF_CALL_STATE_IDLE) ) |
| 957 | { |
| 958 | BTIF_TRACE_DEBUG1("%s: Active call notification received without call setup update", |
| 959 | __FUNCTION__); |
| 960 | |
| 961 | memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| 962 | ag_res.audio_handle = btif_hf_cb.handle; |
| 963 | res = BTA_AG_OUT_CALL_CONN_RES; |
| 964 | BTA_AgResult(BTA_AG_HANDLE_ALL, res, &ag_res); |
| 965 | activeCallUpdated = TRUE; |
| 966 | } |
| 967 | |
| 968 | /* Ringing call changed? */ |
| 969 | if (call_setup_state != btif_hf_cb.call_setup_state) |
| 970 | { |
| 971 | BTIF_TRACE_DEBUG3("%s: Call setup states changed. old: %s new: %s", |
| 972 | __FUNCTION__, dump_hf_call_state(btif_hf_cb.call_setup_state), |
| 973 | dump_hf_call_state(call_setup_state)); |
| 974 | memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| 975 | |
| 976 | switch (call_setup_state) |
| 977 | { |
| 978 | case BTHF_CALL_STATE_IDLE: |
| 979 | { |
| 980 | switch (btif_hf_cb.call_setup_state) |
| 981 | { |
| 982 | case BTHF_CALL_STATE_INCOMING: |
| 983 | if (num_active > btif_hf_cb.num_active) |
| 984 | { |
| 985 | res = BTA_AG_IN_CALL_CONN_RES; |
| 986 | ag_res.audio_handle = btif_hf_cb.handle; |
| 987 | } |
| 988 | else if (num_held > btif_hf_cb.num_held) |
| 989 | res = BTA_AG_IN_CALL_HELD_RES; |
| 990 | else |
| 991 | res = BTA_AG_CALL_CANCEL_RES; |
| 992 | break; |
| 993 | case BTHF_CALL_STATE_DIALING: |
| 994 | case BTHF_CALL_STATE_ALERTING: |
| 995 | if (num_active > btif_hf_cb.num_active) |
| 996 | { |
| 997 | ag_res.audio_handle = BTA_AG_HANDLE_SCO_NO_CHANGE; |
| 998 | res = BTA_AG_OUT_CALL_CONN_RES; |
| 999 | } |
| 1000 | else |
| 1001 | res = BTA_AG_CALL_CANCEL_RES; |
| 1002 | break; |
| 1003 | default: |
| 1004 | BTIF_TRACE_ERROR1("%s: Incorrect Call setup state transition", __FUNCTION__); |
| 1005 | status = BT_STATUS_PARM_INVALID; |
| 1006 | break; |
| 1007 | } |
| 1008 | } break; |
| 1009 | |
| 1010 | case BTHF_CALL_STATE_INCOMING: |
| 1011 | if (num_active || num_held) |
| 1012 | res = BTA_AG_CALL_WAIT_RES; |
| 1013 | else |
| 1014 | res = BTA_AG_IN_CALL_RES; |
| 1015 | if (number) |
| 1016 | { |
| 1017 | int xx = 0; |
| 1018 | if ((type == BTHF_CALL_ADDRTYPE_INTERNATIONAL) && (*number != '+')) |
| 1019 | xx = sprintf (ag_res.str, "\"+%s\"", number); |
| 1020 | else |
| 1021 | xx = sprintf (ag_res.str, "\"%s\"", number); |
| 1022 | ag_res.num = type; |
| 1023 | |
| 1024 | if (res == BTA_AG_CALL_WAIT_RES) |
| 1025 | sprintf(&ag_res.str[xx], ",%d", type); |
| 1026 | } |
| 1027 | break; |
| 1028 | case BTHF_CALL_STATE_DIALING: |
| 1029 | ag_res.audio_handle = btif_hf_cb.handle; |
| 1030 | res = BTA_AG_OUT_CALL_ORIG_RES; |
| 1031 | break; |
| 1032 | case BTHF_CALL_STATE_ALERTING: |
| 1033 | /* if we went from idle->alert, force SCO setup here. dialing usually triggers it */ |
| 1034 | if (btif_hf_cb.call_setup_state == BTHF_CALL_STATE_IDLE) |
| 1035 | ag_res.audio_handle = btif_hf_cb.handle; |
| 1036 | res = BTA_AG_OUT_CALL_ALERT_RES; |
| 1037 | break; |
| 1038 | default: |
| 1039 | BTIF_TRACE_ERROR1("%s: Incorrect new ringing call state", __FUNCTION__); |
| 1040 | status = BT_STATUS_PARM_INVALID; |
| 1041 | break; |
| 1042 | } |
| 1043 | BTIF_TRACE_DEBUG3("%s: Call setup state changed. res=%d, audio_handle=%d", __FUNCTION__, res, ag_res.audio_handle); |
| 1044 | |
| 1045 | if (res) |
| 1046 | BTA_AgResult(BTA_AG_HANDLE_ALL, res, &ag_res); |
| 1047 | |
| 1048 | /* if call setup is idle, we have already updated call indicator, jump out */ |
| 1049 | if (call_setup_state == BTHF_CALL_STATE_IDLE) |
| 1050 | { |
| 1051 | /* check & update callheld */ |
| 1052 | if ((num_held > 0) && (num_active > 0)) |
| 1053 | send_indicator_update(BTA_AG_IND_CALLHELD, 1); |
| 1054 | goto update_call_states; |
| 1055 | } |
| 1056 | } |
| 1057 | |
| 1058 | memset(&ag_res, 0, sizeof(tBTA_AG_RES_DATA)); |
| 1059 | |
| 1060 | /* per the errata 2043, call=1 implies atleast one call is in progress (active/held) |
| 1061 | ** https://www.bluetooth.org/errata/errata_view.cfm?errata_id=2043 |
| 1062 | ** Handle call indicator change |
| 1063 | **/ |
| 1064 | if (!activeCallUpdated && ((num_active + num_held) != (btif_hf_cb.num_active + btif_hf_cb.num_held)) ) |
| 1065 | { |
| 1066 | BTIF_TRACE_DEBUG3("%s: Active call states changed. old: %d new: %d", __FUNCTION__, btif_hf_cb.num_active, num_active); |
| 1067 | send_indicator_update(BTA_AG_IND_CALL, ((num_active + num_held) > 0) ? 1 : 0); |
| 1068 | } |
| 1069 | |
| 1070 | /* Held Changed? */ |
| 1071 | if (num_held != btif_hf_cb.num_held) |
| 1072 | { |
| 1073 | BTIF_TRACE_DEBUG3("%s: Held call states changed. old: %d new: %d", __FUNCTION__, btif_hf_cb.num_held, num_held); |
| 1074 | send_indicator_update(BTA_AG_IND_CALLHELD, ((num_held == 0) ? 0 : ((num_active == 0) ? 2 : 1))); |
| 1075 | } |
| 1076 | |
| 1077 | /* Calls Swapped? */ |
| 1078 | if ( (call_setup_state == btif_hf_cb.call_setup_state) && |
| 1079 | (num_active && num_held) && |
| 1080 | (num_active == btif_hf_cb.num_active) && |
| 1081 | (num_held == btif_hf_cb.num_held) ) |
| 1082 | { |
| 1083 | BTIF_TRACE_DEBUG1("%s: Calls swapped", __FUNCTION__); |
| 1084 | send_indicator_update(BTA_AG_IND_CALLHELD, 1); |
| 1085 | } |
| 1086 | |
| 1087 | update_call_states: |
| 1088 | btif_hf_cb.num_active = num_active; |
| 1089 | btif_hf_cb.num_held = num_held; |
| 1090 | btif_hf_cb.call_setup_state = call_setup_state; |
| 1091 | |
| 1092 | return status; |
| 1093 | } |
| 1094 | |
| 1095 | |
| 1096 | /******************************************************************************* |
| 1097 | ** |
| 1098 | ** Function btif_hf_call_terminated_recently |
| 1099 | ** |
| 1100 | ** Description Checks if a call has been terminated |
| 1101 | ** |
| 1102 | ** Returns bt_status_t |
| 1103 | ** |
| 1104 | *******************************************************************************/ |
| 1105 | BOOLEAN btif_hf_call_terminated_recently() |
| 1106 | { |
| 1107 | struct timespec now; |
| 1108 | |
| 1109 | clock_gettime(CLOCK_MONOTONIC, &now); |
| 1110 | if (now.tv_sec < btif_hf_cb.call_end_timestamp.tv_sec + BTIF_HF_CALL_END_TIMEOUT) |
| 1111 | { |
| 1112 | return TRUE; |
| 1113 | } |
| 1114 | else |
| 1115 | { |
| 1116 | btif_hf_cb.call_end_timestamp.tv_sec = 0; |
| 1117 | return FALSE; |
| 1118 | } |
| 1119 | } |
| 1120 | |
| 1121 | /******************************************************************************* |
| 1122 | ** |
| 1123 | ** Function cleanup |
| 1124 | ** |
| 1125 | ** Description Closes the HF interface |
| 1126 | ** |
| 1127 | ** Returns bt_status_t |
| 1128 | ** |
| 1129 | *******************************************************************************/ |
| 1130 | static void cleanup( void ) |
| 1131 | { |
| 1132 | BTIF_TRACE_EVENT1("%s", __FUNCTION__); |
| 1133 | |
| 1134 | if (bt_hf_callbacks) |
| 1135 | { |
| 1136 | btif_disable_service(BTA_HFP_SERVICE_ID); |
| 1137 | bt_hf_callbacks = NULL; |
| 1138 | } |
| 1139 | } |
| 1140 | |
| 1141 | static const bthf_interface_t bthfInterface = { |
| 1142 | sizeof(bthfInterface), |
| 1143 | init, |
| 1144 | connect, |
| 1145 | disconnect, |
| 1146 | connect_audio, |
| 1147 | disconnect_audio, |
| 1148 | start_voice_recognition, |
| 1149 | stop_voice_recognition, |
| 1150 | volume_control, |
| 1151 | device_status_notification, |
| 1152 | cops_response, |
| 1153 | cind_response, |
| 1154 | formatted_at_response, |
| 1155 | at_response, |
| 1156 | clcc_response, |
| 1157 | phone_state_change, |
| 1158 | cleanup, |
| 1159 | }; |
| 1160 | |
| 1161 | /******************************************************************************* |
| 1162 | ** |
| 1163 | ** Function btif_hf_execute_service |
| 1164 | ** |
| 1165 | ** Description Initializes/Shuts down the service |
| 1166 | ** |
| 1167 | ** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise |
| 1168 | ** |
| 1169 | *******************************************************************************/ |
| 1170 | bt_status_t btif_hf_execute_service(BOOLEAN b_enable) |
| 1171 | { |
| 1172 | char * p_service_names[] = BTIF_HF_SERVICE_NAMES; |
| 1173 | if (b_enable) |
| 1174 | { |
| 1175 | /* Enable and register with BTA-AG */ |
| 1176 | BTA_AgEnable (BTA_AG_PARSE, bte_hf_evt); |
| 1177 | BTA_AgRegister(BTIF_HF_SERVICES, BTIF_HF_SECURITY, BTIF_HF_FEATURES, |
| 1178 | p_service_names, BTIF_HF_ID_1); |
| 1179 | } |
| 1180 | else { |
| 1181 | /* De-register AG */ |
| 1182 | BTA_AgDeregister(btif_hf_cb.handle); |
| 1183 | /* Disable AG */ |
| 1184 | BTA_AgDisable(); |
| 1185 | } |
| 1186 | return BT_STATUS_SUCCESS; |
| 1187 | } |
| 1188 | |
| 1189 | /******************************************************************************* |
| 1190 | ** |
| 1191 | ** Function btif_hf_get_interface |
| 1192 | ** |
| 1193 | ** Description Get the hf callback interface |
| 1194 | ** |
| 1195 | ** Returns bthf_interface_t |
| 1196 | ** |
| 1197 | *******************************************************************************/ |
| 1198 | const bthf_interface_t *btif_hf_get_interface() |
| 1199 | { |
| 1200 | BTIF_TRACE_EVENT1("%s", __FUNCTION__); |
| 1201 | return &bthfInterface; |
| 1202 | } |