1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 // ***************************************************************************** 39 // 40 // HFP Hands-Free (HF) unit and Audio Gateway Commons 41 // 42 // ***************************************************************************** 43 44 45 #ifndef __BTSTACK_HFP_H 46 #define __BTSTACK_HFP_H 47 48 #include "hci.h" 49 #include "classic/sdp_client_rfcomm.h" 50 51 #if defined __cplusplus 52 extern "C" { 53 #endif 54 55 56 /* HF Supported Features: 57 0: EC and/or NR function 58 1: Three-way calling 59 2: CLI presentation capability 60 3: Voice recognition activation 61 4: Remote volume control 62 5: Enhanced call status 63 6: Enhanced call control 64 7: Codec negotiation 65 8: HF Indicators 66 9: eSCO S4 (and T2) Settings Supported 67 10-31: Reserved for future definition 68 */ 69 #define HFP_HFSF_EC_NR_FUNCTION 0 70 #define HFP_HFSF_THREE_WAY_CALLING 1 71 #define HFP_HFSF_VOICE_RECOGNITION_FUNCTION 3 72 #define HFP_HFSF_CODEC_NEGOTIATION 7 73 #define HFP_HFSF_HF_INDICATORS 8 74 #define HFP_HFSF_ESCO_S4 9 75 76 /* AG Supported Features: 77 0: Three-way calling 78 1: EC and/or NR function 79 2: Voice recognition function 80 3: In-band ring tone capability 81 4: Attach a number to a voice tag 82 5: Ability to reject a call 83 6: Enhanced call status 84 7: Enhanced call control 85 8: Extended Error Result Codes 86 9: Codec negotiation 87 10: HF Indicators 88 11: eSCO S4 (and T2) Settings Supported 89 12-31: Reserved for future definition 90 */ 91 #define HFP_AGSF_THREE_WAY_CALLING 0 92 #define HFP_AGSF_EC_NR_FUNCTION 1 93 #define HFP_AGSF_VOICE_RECOGNITION_FUNCTION 2 94 #define HFP_AGSF_IN_BAND_RING_TONE 3 95 #define HFP_AGSF_CODEC_NEGOTIATION 9 96 #define HFP_AGSF_HF_INDICATORS 10 97 #define HFP_AGSF_ESCO_S4 11 98 99 #define HFP_DEFAULT_HF_SUPPORTED_FEATURES 0x0000 100 #define HFP_DEFAULT_AG_SUPPORTED_FEATURES 0x0009 101 102 #define HFP_MAX_NUM_CODECS 20 103 #define HFP_MAX_NUM_AG_INDICATORS 20 104 #define HFP_MAX_NUM_HF_INDICATORS 20 105 #define HFP_MAX_INDICATOR_DESC_SIZE 20 106 107 #define HFP_SUPPORTED_FEATURES "+BRSF" 108 #define HFP_AVAILABLE_CODECS "+BAC" 109 #define HFP_INDICATOR "+CIND" 110 #define HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS "+CMER" 111 #define HFP_ENABLE_CLIP "+CLIP" 112 #define HFP_ENABLE_CALL_WAITING_NOTIFICATION "+CCWA" 113 #define HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS "+BIA" // +BIA:<enabled>,,<enabled>,,,<enabled> 114 #define HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES "+CHLD" 115 #define HFP_GENERIC_STATUS_INDICATOR "+BIND" 116 #define HFP_TRANSFER_AG_INDICATOR_STATUS "+CIEV" // +CIEV: <index>,<value> 117 #define HFP_TRANSFER_HF_INDICATOR_STATUS "+BIEV" // +BIEC: <index>,<value> 118 #define HFP_QUERY_OPERATOR_SELECTION "+COPS" // +COPS: <mode>,0,<opearator> 119 #define HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR "+CMEE" 120 #define HFP_EXTENDED_AUDIO_GATEWAY_ERROR "+CME ERROR" 121 #define HFP_TRIGGER_CODEC_CONNECTION_SETUP "+BCC" 122 #define HFP_CONFIRM_COMMON_CODEC "+BCS" 123 #define HFP_CALL_ANSWERED "ATA" 124 #define HFP_HANG_UP_CALL "+CHUP" 125 #define HFP_CHANGE_IN_BAND_RING_TONE_SETTING "+BSIR" 126 #define HFP_CALL_PHONE_NUMBER "ATD" 127 #define HFP_REDIAL_LAST_NUMBER "+BLDN" 128 #define HFP_TURN_OFF_EC_AND_NR "+NREC" // EC (Echo CAnceling), NR (Noise Reduction) 129 #define HFP_ACTIVATE_VOICE_RECOGNITION "+BVRA" // EC (Echo CAnceling), NR (Noise Reduction) 130 #define HFP_SET_MICROPHONE_GAIN "+VGM" 131 #define HFP_SET_SPEAKER_GAIN "+VGS" 132 #define HFP_PHONE_NUMBER_FOR_VOICE_TAG "+BINP" 133 #define HFP_TRANSMIT_DTMF_CODES "+VTS" 134 #define HFP_SUBSCRIBER_NUMBER_INFORMATION "+CNUM" 135 #define HFP_LIST_CURRENT_CALLS "+CLCC" 136 #define HFP_RESPONSE_AND_HOLD "+BTRH" 137 138 #define HFP_OK "OK" 139 #define HFP_ERROR "ERROR" 140 #define HFP_RING "RING" 141 142 // Codecs 143 #define HFP_CODEC_CVSD 0x01 144 #define HFP_CODEC_MSBC 0x02 145 146 typedef enum { 147 HFP_CMD_NONE = 0, 148 HFP_CMD_ERROR, 149 HFP_CMD_UNKNOWN, 150 HFP_CMD_OK, 151 HFP_CMD_RING, 152 HFP_CMD_SUPPORTED_FEATURES, 153 HFP_CMD_AVAILABLE_CODECS, 154 155 HFP_CMD_RETRIEVE_AG_INDICATORS, 156 HFP_CMD_RETRIEVE_AG_INDICATORS_STATUS, 157 158 HFP_CMD_ENABLE_INDICATOR_STATUS_UPDATE, 159 HFP_CMD_ENABLE_INDIVIDUAL_AG_INDICATOR_STATUS_UPDATE, 160 HFP_CMD_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, 161 HFP_CMD_ENABLE_CLIP, 162 HFP_CMD_AG_SENT_CLIP_INFORMATION, 163 HFP_CMD_ENABLE_CALL_WAITING_NOTIFICATION, 164 HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE, 165 166 HFP_CMD_LIST_GENERIC_STATUS_INDICATORS, 167 HFP_CMD_RETRIEVE_GENERIC_STATUS_INDICATORS, 168 HFP_CMD_RETRIEVE_GENERIC_STATUS_INDICATORS_STATE, 169 HFP_CMD_SET_GENERIC_STATUS_INDICATOR_STATUS, 170 171 HFP_CMD_TRANSFER_AG_INDICATOR_STATUS, 172 173 HFP_CMD_QUERY_OPERATOR_SELECTION_NAME, 174 HFP_CMD_QUERY_OPERATOR_SELECTION_NAME_FORMAT, 175 176 HFP_CMD_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR, 177 HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR, 178 HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP, 179 HFP_CMD_AG_SEND_COMMON_CODEC, 180 HFP_CMD_AG_SUGGESTED_CODEC, 181 HFP_CMD_HF_CONFIRMED_CODEC, 182 HFP_CMD_CALL_ANSWERED, 183 HFP_CMD_CALL_HOLD, 184 HFP_CMD_AG_ANSWER_CALL, 185 HFP_CMD_HANG_UP_CALL, 186 HFP_CMD_CHANGE_IN_BAND_RING_TONE_SETTING, 187 HFP_CMD_CALL_PHONE_NUMBER, 188 HFP_CMD_REDIAL_LAST_NUMBER, 189 HFP_CMD_TURN_OFF_EC_AND_NR, 190 HFP_CMD_AG_ACTIVATE_VOICE_RECOGNITION, 191 HFP_CMD_HF_ACTIVATE_VOICE_RECOGNITION, 192 HFP_CMD_HF_REQUEST_PHONE_NUMBER, 193 HFP_CMD_AG_SENT_PHONE_NUMBER, 194 HFP_CMD_TRANSMIT_DTMF_CODES, 195 HFP_CMD_SET_MICROPHONE_GAIN, 196 HFP_CMD_SET_SPEAKER_GAIN, 197 HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION, 198 HFP_CMD_LIST_CURRENT_CALLS, 199 HFP_CMD_RESPONSE_AND_HOLD_QUERY, 200 HFP_CMD_RESPONSE_AND_HOLD_COMMAND, 201 HFP_CMD_RESPONSE_AND_HOLD_STATUS, 202 HFP_CMD_HF_INDICATOR_STATUS 203 } hfp_command_t; 204 205 206 typedef enum { 207 HFP_CME_ERROR_AG_FAILURE = 0, 208 HFP_CME_ERROR_NO_CONNECTION_TO_PHONE, 209 HFP_CME_ERROR_2, 210 HFP_CME_ERROR_OPERATION_NOT_ALLOWED, 211 HFP_CME_ERROR_OPERATION_NOT_SUPPORTED, 212 HFP_CME_ERROR_PH_SIM_PIN_REQUIRED, 213 HFP_CME_ERROR_6, 214 HFP_CME_ERROR_7, 215 HFP_CME_ERROR_8, 216 HFP_CME_ERROR_9, 217 HFP_CME_ERROR_SIM_NOT_INSERTED, 218 HFP_CME_ERROR_SIM_PIN_REQUIRED, 219 HFP_CME_ERROR_SIM_PUK_REQUIRED, 220 HFP_CME_ERROR_SIM_FAILURE, 221 HFP_CME_ERROR_SIM_BUSY, 222 HFP_CME_ERROR_15, 223 HFP_CME_ERROR_INCORRECT_PASSWORD, 224 HFP_CME_ERROR_SIM_PIN2_REQUIRED, 225 HFP_CME_ERROR_SIM_PUK2_REQUIRED, 226 HFP_CME_ERROR_19, 227 HFP_CME_ERROR_MEMORY_FULL, 228 HFP_CME_ERROR_INVALID_INDEX, 229 HFP_CME_ERROR_22, 230 HFP_CME_ERROR_MEMORY_FAILURE, 231 HFP_CME_ERROR_TEXT_STRING_TOO_LONG, 232 HFP_CME_ERROR_INVALID_CHARACTERS_IN_TEXT_STRING, 233 HFP_CME_ERROR_DIAL_STRING_TOO_LONG, 234 HFP_CME_ERROR_INVALID_CHARACTERS_IN_DIAL_STRING, 235 HFP_CME_ERROR_28, 236 HFP_CME_ERROR_29, 237 HFP_CME_ERROR_NO_NETWORK_SERVICE, 238 HFP_CME_ERROR_NETWORK_TIMEOUT, 239 HFP_CME_ERROR_NETWORK_NOT_ALLOWED_EMERGENCY_CALLS_ONLY 240 } hfp_cme_error_t; 241 242 typedef enum { 243 HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS = 0, 244 HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT 245 } hfp_call_status_t; 246 247 typedef enum { 248 HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS = 0, 249 HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS, 250 HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_DIALING_STATE, 251 HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_ALERTING_STATE 252 } hfp_callsetup_status_t; 253 254 typedef enum { 255 HFP_CALLHELD_STATUS_NO_CALLS_HELD = 0, 256 HFP_CALLHELD_STATUS_CALL_ON_HOLD_OR_SWAPPED, 257 HFP_CALLHELD_STATUS_CALL_ON_HOLD_AND_NO_ACTIVE_CALLS 258 } hfp_callheld_status_t; 259 260 261 typedef enum { 262 HFP_AG_INCOMING_CALL, 263 HFP_AG_INCOMING_CALL_ACCEPTED_BY_AG, 264 HFP_AG_INCOMING_CALL_ACCEPTED_BY_HF, 265 HFP_AG_AUDIO_CONNECTION_ESTABLISHED, 266 HFP_AG_OUTGOING_CALL_INITIATED, 267 HFP_AG_OUTGOING_CALL_REJECTED, 268 HFP_AG_OUTGOING_CALL_ACCEPTED, 269 HFP_AG_OUTGOING_CALL_RINGING, 270 HFP_AG_OUTGOING_CALL_ESTABLISHED, 271 HFP_AG_OUTGOING_REDIAL_INITIATED, 272 HFP_AG_HELD_CALL_JOINED_BY_AG, 273 HFP_AG_TERMINATE_CALL_BY_AG, 274 HFP_AG_TERMINATE_CALL_BY_HF, 275 HFP_AG_CALL_DROPPED, 276 HFP_AG_RESPONSE_AND_HOLD_ACCEPT_INCOMING_CALL_BY_AG, 277 HFP_AG_RESPONSE_AND_HOLD_ACCEPT_HELD_CALL_BY_AG, 278 HFP_AG_RESPONSE_AND_HOLD_REJECT_HELD_CALL_BY_AG, 279 HFP_AG_RESPONSE_AND_HOLD_ACCEPT_INCOMING_CALL_BY_HF, 280 HFP_AG_RESPONSE_AND_HOLD_ACCEPT_HELD_CALL_BY_HF, 281 HFP_AG_RESPONSE_AND_HOLD_REJECT_HELD_CALL_BY_HF, 282 HFP_AG_CALL_HOLD_USER_BUSY, 283 HFP_AG_CALL_HOLD_RELEASE_ACTIVE_ACCEPT_HELD_OR_WAITING_CALL, 284 HFP_AG_CALL_HOLD_PARK_ACTIVE_ACCEPT_HELD_OR_WAITING_CALL, 285 HFP_AG_CALL_HOLD_ADD_HELD_CALL, 286 HFP_AG_CALL_HOLD_EXIT_AND_JOIN_CALLS, 287 HFP_AG_SET_CLIP 288 } hfp_ag_call_event_t; 289 290 291 typedef enum { 292 HFP_PARSER_CMD_HEADER = 0, 293 HFP_PARSER_CMD_SEQUENCE, 294 HFP_PARSER_SECOND_ITEM, 295 HFP_PARSER_THIRD_ITEM 296 } hfp_parser_state_t; 297 298 299 typedef enum { 300 HFP_IDLE = 0, //0 301 HFP_SDP_QUERY_RFCOMM_CHANNEL, 302 HFP_W4_SDP_QUERY_COMPLETE, 303 HFP_W4_RFCOMM_CONNECTED, 304 305 HFP_EXCHANGE_SUPPORTED_FEATURES, 306 HFP_W4_EXCHANGE_SUPPORTED_FEATURES, // 5 307 308 HFP_NOTIFY_ON_CODECS, 309 HFP_W4_NOTIFY_ON_CODECS, 310 311 HFP_RETRIEVE_INDICATORS, 312 HFP_W4_RETRIEVE_INDICATORS, 313 314 HFP_RETRIEVE_INDICATORS_STATUS, // 10 315 HFP_W4_RETRIEVE_INDICATORS_STATUS, 316 317 HFP_ENABLE_INDICATORS_STATUS_UPDATE, 318 HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE, 319 320 HFP_RETRIEVE_CAN_HOLD_CALL, 321 HFP_W4_RETRIEVE_CAN_HOLD_CALL, // 15 322 323 HFP_LIST_GENERIC_STATUS_INDICATORS, 324 HFP_W4_LIST_GENERIC_STATUS_INDICATORS, 325 326 HFP_RETRIEVE_GENERIC_STATUS_INDICATORS, 327 HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS, 328 329 HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS, 330 HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS, 331 332 HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED, 333 334 HFP_W2_CONNECT_SCO, 335 HFP_W4_SCO_CONNECTED, 336 337 HFP_AUDIO_CONNECTION_ESTABLISHED, 338 339 HFP_W2_DISCONNECT_SCO, 340 HFP_W4_SCO_DISCONNECTED, 341 342 HFP_W2_DISCONNECT_RFCOMM, 343 HFP_W4_RFCOMM_DISCONNECTED, 344 HFP_W4_RFCOMM_DISCONNECTED_AND_RESTART, 345 HFP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN 346 } hfp_state_t; 347 348 typedef enum { 349 HFP_CODECS_IDLE, 350 HFP_CODECS_RECEIVED_LIST, 351 HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE, 352 HFP_CODECS_W4_AG_COMMON_CODEC, 353 HFP_CODECS_AG_SENT_COMMON_CODEC, 354 HFP_CODECS_AG_RESEND_COMMON_CODEC, 355 HFP_CODECS_HF_CONFIRMED_CODEC, 356 HFP_CODECS_EXCHANGED, 357 HFP_CODECS_ERROR 358 } hfp_codecs_state_t; 359 360 typedef enum { 361 HFP_CALL_IDLE, 362 HFP_CALL_TRIGGER_AUDIO_CONNECTION, 363 HFP_CALL_W4_AUDIO_CONNECTION_FOR_IN_BAND_RING, 364 HFP_CALL_RINGING, 365 HFP_CALL_W4_AUDIO_CONNECTION_FOR_ACTIVE, 366 HFP_CALL_ACTIVE, 367 HFP_CALL_W2_SEND_CALL_WAITING, 368 HFP_CALL_W4_CHLD, 369 HFP_CALL_OUTGOING_INITIATED, 370 HFP_CALL_OUTGOING_DIALING, 371 HFP_CALL_OUTGOING_RINGING 372 } hfp_call_state_t; 373 374 typedef enum{ 375 HFP_ENHANCED_CALL_DIR_OUTGOING, 376 HFP_ENHANCED_CALL_DIR_INCOMING 377 } hfp_enhanced_call_dir_t; 378 379 typedef enum{ 380 HFP_ENHANCED_CALL_STATUS_ACTIVE, 381 HFP_ENHANCED_CALL_STATUS_HELD, 382 HFP_ENHANCED_CALL_STATUS_OUTGOING_DIALING, 383 HFP_ENHANCED_CALL_STATUS_OUTGOING_ALERTING, 384 HFP_ENHANCED_CALL_STATUS_INCOMING, 385 HFP_ENHANCED_CALL_STATUS_INCOMING_WAITING, 386 HFP_ENHANCED_CALL_STATUS_CALL_HELD_BY_RESPONSE_AND_HOLD 387 } hfp_enhanced_call_status_t; 388 389 typedef enum{ 390 HFP_ENHANCED_CALL_MODE_VOICE, 391 HFP_ENHANCED_CALL_MODE_DATA, 392 HFP_ENHANCED_CALL_MODE_FAX 393 } hfp_enhanced_call_mode_t; 394 395 typedef enum{ 396 HFP_ENHANCED_CALL_MPTY_NOT_A_CONFERENCE_CALL, 397 HFP_ENHANCED_CALL_MPTY_CONFERENCE_CALL 398 } hfp_enhanced_call_mpty_t; 399 400 typedef enum { 401 HFP_RESPONSE_AND_HOLD_INCOMING_ON_HOLD = 0, 402 HFP_RESPONSE_AND_HOLD_HELD_INCOMING_ACCEPTED, 403 HFP_RESPONSE_AND_HOLD_HELD_INCOMING_REJECTED 404 } hfp_response_and_hold_state_t; 405 406 typedef enum { 407 HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET = 0, 408 HFP_HF_QUERY_OPERATOR_SET_FORMAT, 409 HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK, 410 HFP_HF_QUERY_OPERATOR_FORMAT_SET, 411 HFP_HF_QUERY_OPERATOR_SEND_QUERY, 412 HPF_HF_QUERY_OPERATOR_W4_RESULT 413 } hfp_hf_query_operator_state_t; 414 415 typedef enum { 416 HFP_LINK_SETTINGS_D0 = 0, 417 HFP_LINK_SETTINGS_D1, 418 HFP_LINK_SETTINGS_S1, 419 HFP_LINK_SETTINGS_S2, 420 HFP_LINK_SETTINGS_S3, 421 HFP_LINK_SETTINGS_S4, 422 HFP_LINK_SETTINGS_T1, 423 HFP_LINK_SETTINGS_T2 424 } hfp_link_setttings_t; 425 426 typedef enum{ 427 HFP_NONE_SM, 428 HFP_SLC_SM, 429 HFP_SLC_QUERIES_SM, 430 HFP_CODECS_CONNECTION_SM, 431 HFP_AUDIO_CONNECTION_SM, 432 HFP_CALL_SM 433 } hfp_state_machine_t; 434 435 typedef struct{ 436 uint16_t uuid; 437 uint8_t state; // enabled 438 } hfp_generic_status_indicator_t; 439 440 typedef struct{ 441 uint8_t index; 442 char name[HFP_MAX_INDICATOR_DESC_SIZE]; 443 uint8_t min_range; 444 uint8_t max_range; 445 uint8_t status; 446 uint8_t mandatory; 447 uint8_t enabled; 448 uint8_t status_changed; 449 } hfp_ag_indicator_t; 450 451 typedef struct{ 452 char name[3]; 453 } hfp_call_service_t; 454 455 456 typedef struct{ 457 uint8_t mode; 458 uint8_t format; 459 char name[17]; // enabled 460 } hfp_network_opearator_t; 461 462 463 typedef struct hfp_connection { 464 btstack_linked_item_t item; 465 466 bd_addr_t remote_addr; 467 hci_con_handle_t acl_handle; 468 hci_con_handle_t sco_handle; 469 uint16_t rfcomm_channel_nr; 470 uint16_t rfcomm_cid; 471 472 hfp_state_machine_t state_machine; 473 hfp_call_state_t call_state; 474 hfp_state_t state; 475 hfp_codecs_state_t codecs_state; 476 477 // needed for reestablishing connection 478 uint16_t service_uuid; 479 480 // used during service level connection establishment 481 hfp_command_t command; 482 hfp_parser_state_t parser_state; 483 int parser_item_index; 484 int parser_indicator_index; 485 uint8_t line_buffer[HFP_MAX_INDICATOR_DESC_SIZE]; 486 int line_size; 487 488 uint32_t remote_supported_features; 489 490 // TODO: rename into hf_codecs_nr 491 int remote_codecs_nr; 492 uint16_t remote_codecs[HFP_MAX_INDICATOR_DESC_SIZE]; 493 494 int ag_indicators_nr; 495 hfp_ag_indicator_t ag_indicators[HFP_MAX_INDICATOR_DESC_SIZE]; 496 uint32_t ag_indicators_status_update_bitmap; 497 uint8_t enable_status_update_for_ag_indicators; 498 499 int remote_call_services_nr; 500 hfp_call_service_t remote_call_services[HFP_MAX_INDICATOR_DESC_SIZE]; 501 502 // TODO: use bitmap. 503 int generic_status_indicators_nr; 504 uint32_t generic_status_update_bitmap; 505 hfp_generic_status_indicator_t generic_status_indicators[HFP_MAX_INDICATOR_DESC_SIZE]; 506 507 hfp_network_opearator_t network_operator; 508 509 // Retrieved during service level connection establishment, not used yet 510 uint8_t negotiated_codec; 511 512 // HF -> AG configuration 513 uint8_t clip_enabled; 514 uint8_t call_waiting_notification_enabled; 515 516 // TODO: put these bit flags in a bitmap 517 uint8_t ok_pending; 518 // uint8_t send_ok; 519 uint8_t send_error; 520 521 uint8_t keep_byte; 522 uint8_t ignore_value; 523 uint8_t resolve_byte; 524 525 uint8_t change_status_update_for_individual_ag_indicators; 526 uint8_t operator_name_changed; 527 528 uint8_t enable_extended_audio_gateway_error_report; 529 uint8_t extended_audio_gateway_error_value; 530 uint8_t extended_audio_gateway_error; 531 532 // establish codecs connection 533 uint8_t suggested_codec; 534 uint8_t codec_confirmed; 535 536 hfp_link_setttings_t link_setting; 537 538 uint8_t establish_audio_connection; 539 uint8_t release_audio_connection; 540 541 btstack_timer_source_t hfp_timeout; 542 543 uint8_t microphone_gain; 544 uint8_t send_microphone_gain; 545 546 uint8_t speaker_gain; 547 uint8_t send_speaker_gain; 548 549 uint8_t send_phone_number_for_voice_tag; 550 uint8_t send_ag_status_indicators; 551 uint8_t send_ag_indicators_segment; 552 uint8_t send_response_and_hold_status; // 0 - don't send. BRTH:0 == 1, .. 553 554 // AG only 555 uint8_t change_in_band_ring_tone_setting; 556 uint8_t ag_ring; 557 uint8_t ag_send_clip; 558 uint8_t ag_echo_and_noise_reduction; 559 uint8_t ag_activate_voice_recognition; 560 uint8_t ag_notify_incoming_call_waiting; 561 uint8_t send_subscriber_number; 562 uint8_t next_subscriber_number_to_send; 563 564 int send_status_of_current_calls; 565 int next_call_index; 566 567 // HF only 568 hfp_hf_query_operator_state_t hf_query_operator_state; 569 uint8_t hf_answer_incoming_call; 570 uint8_t hf_initiate_outgoing_call; 571 uint8_t hf_initiate_memory_dialing; 572 uint8_t hf_initiate_redial_last_number; 573 int memory_id; 574 575 uint8_t hf_send_clip_enable; 576 uint8_t hf_send_chup; 577 uint8_t hf_send_chld_0; 578 uint8_t hf_send_chld_1; 579 uint8_t hf_send_chld_2; 580 uint8_t hf_send_chld_3; 581 uint8_t hf_send_chld_4; 582 uint8_t hf_send_chld_x; 583 uint8_t hf_send_chld_x_index; 584 char hf_send_dtmf_code; 585 uint8_t hf_send_binp; 586 uint8_t hf_send_clcc; 587 uint8_t hf_send_rrh; 588 char hf_send_rrh_command; 589 uint8_t hf_send_cnum; 590 591 uint8_t hf_activate_call_waiting_notification; 592 uint8_t hf_deactivate_call_waiting_notification; 593 594 uint8_t hf_activate_calling_line_notification; 595 uint8_t hf_deactivate_calling_line_notification; 596 uint8_t hf_activate_echo_canceling_and_noise_reduction; 597 uint8_t hf_deactivate_echo_canceling_and_noise_reduction; 598 uint8_t hf_activate_voice_recognition_notification; 599 uint8_t hf_deactivate_voice_recognition_notification; 600 601 uint8_t clcc_idx; 602 uint8_t clcc_dir; 603 uint8_t clcc_status; 604 uint8_t clcc_mode; 605 uint8_t clcc_mpty; 606 607 uint8_t call_index; 608 // also used for CLCC, CCWA, CLIP if set 609 uint8_t bnip_type; // 0 == not set 610 char bnip_number[25]; // 611 612 } hfp_connection_t; 613 614 // UTILS_START : TODO move to utils 615 int send_str_over_rfcomm(uint16_t cid, char * command); 616 int join(char * buffer, int buffer_size, uint8_t * values, int values_nr); 617 int join_bitmap(char * buffer, int buffer_size, uint32_t values, int values_nr); 618 int get_bit(uint16_t bitmap, int position); 619 int store_bit(uint32_t bitmap, int position, uint8_t value); 620 // UTILS_END 621 622 void hfp_set_callback(btstack_packet_handler_t callback); 623 624 void hfp_set_packet_handler_for_rfcomm_connections(btstack_packet_handler_t handler); 625 626 void hfp_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t service_uuid, int rfcomm_channel_nr, const char * name); 627 void hfp_handle_hci_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 628 void hfp_emit_event(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t value); 629 void hfp_emit_simple_event(btstack_packet_handler_t callback, uint8_t event_subtype); 630 void hfp_emit_string_event(btstack_packet_handler_t callback, uint8_t event_subtype, const char * value); 631 void hfp_emit_connection_event(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t status, hci_con_handle_t con_handle); 632 633 hfp_connection_t * get_hfp_connection_context_for_rfcomm_cid(uint16_t cid); 634 hfp_connection_t * get_hfp_connection_context_for_bd_addr(bd_addr_t bd_addr); 635 hfp_connection_t * get_hfp_connection_context_for_sco_handle(uint16_t handle); 636 637 btstack_linked_list_t * hfp_get_connections(void); 638 void hfp_parse(hfp_connection_t * connection, uint8_t byte, int isHandsFree); 639 640 void hfp_establish_service_level_connection(bd_addr_t bd_addr, uint16_t service_uuid); 641 void hfp_release_service_level_connection(hfp_connection_t * connection); 642 void hfp_reset_context_flags(hfp_connection_t * connection); 643 644 void hfp_release_audio_connection(hfp_connection_t * connection); 645 646 void hfp_setup_synchronous_connection(hfp_connection_t * connection); 647 648 const char * hfp_hf_feature(int index); 649 const char * hfp_ag_feature(int index); 650 651 #if defined __cplusplus 652 } 653 #endif 654 655 #endif // __BTSTACK_HFP_H 656