1 2 /* 3 * Copyright (C) 2014 BlueKitchen GmbH 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the copyright holders nor the names of 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 4. Any redistribution, use, or modification is done solely for 18 * personal benefit and not for any commercial purpose or for 19 * monetary gain. 20 * 21 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 25 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 28 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 31 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * Please inquire about commercial licensing options at 35 * [email protected] 36 * 37 */ 38 39 /* 40 * hfp_hs_demo.c 41 */ 42 43 // ***************************************************************************** 44 /* EXAMPLE_START(hfp_hs_demo): HFP Hands-Free (HF) Demo 45 * 46 * @text This HFP Hands-Free example demonstrates how to receive 47 * an output from a remote HFP audio gateway (AG), and, 48 * if HAVE_POSIX_STDIN is defined, how to control the HFP AG. 49 */ 50 // ***************************************************************************** 51 52 53 #include "btstack_config.h" 54 55 #include <stdint.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <unistd.h> 60 61 #include "btstack.h" 62 63 #include "sco_demo_util.h" 64 #ifdef HAVE_POSIX_STDIN 65 #include "stdin_support.h" 66 #endif 67 68 uint8_t hfp_service_buffer[150]; 69 const uint8_t rfcomm_channel_nr = 1; 70 const char hfp_hf_service_name[] = "BTstack HFP HF Demo"; 71 72 #ifdef HAVE_POSIX_STDIN 73 static bd_addr_t device_addr = {0x80,0xbe,0x05,0xd5,0x28,0x48}; 74 // 80:BE:05:D5:28:48 75 // prototypes 76 static void show_usage(void); 77 #endif 78 static hci_con_handle_t acl_handle = -1; 79 static hci_con_handle_t sco_handle; 80 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 81 static uint16_t indicators[1] = {0x01}; 82 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 83 static btstack_packet_callback_registration_t hci_event_callback_registration; 84 char cmd; 85 86 static void dump_supported_codecs(void){ 87 int i; 88 int mSBC_skipped = 0; 89 printf("Supported codecs:"); 90 for (i = 0; i < sizeof(codecs); i++){ 91 switch(codecs[i]){ 92 case HFP_CODEC_CVSD: 93 printf(" CVSD"); 94 break; 95 case HFP_CODEC_MSBC: 96 if (hci_extended_sco_link_supported()){ 97 printf("mSBC"); 98 } else { 99 mSBC_skipped = 1; 100 } 101 break; 102 } 103 } 104 printf("\n"); 105 if (mSBC_skipped){ 106 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 107 } 108 } 109 110 #ifdef HAVE_POSIX_STDIN 111 112 // Testig User Interface 113 static void show_usage(void){ 114 bd_addr_t iut_address; 115 gap_local_bd_addr(iut_address); 116 117 printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 118 printf("---\n"); 119 120 printf("a - establish SLC connection to device %s\n", bd_addr_to_str(device_addr)); 121 printf("A - release SLC connection to device\n"); 122 123 printf("b - establish Audio connection\n"); 124 printf("B - release Audio connection\n"); 125 126 printf("c - disable registration status update for all AG indicators\n"); 127 printf("C - enable registration status update for all AG indicators\n"); 128 129 printf("d - query network operator.\n"); 130 printf("D - set HFP AG registration status update for individual indicators (IIA)\n"); 131 132 printf("e - disable reporting of the extended AG error result code\n"); 133 printf("E - enable reporting of the extended AG error result code\n"); 134 135 printf("f - answer incoming call\n"); 136 printf("F - Hangup call\n"); 137 138 printf("g - query network operator name\n"); 139 printf("G - reject incoming call\n"); 140 141 printf("i - dial 1234567\n"); 142 printf("I - dial 7654321\n"); 143 144 printf("j - dial #1\n"); 145 printf("J - dial #99\n"); 146 147 printf("k - deactivate call waiting notification\n"); 148 printf("K - activate call waiting notification\n"); 149 150 printf("l - deactivate calling line notification\n"); 151 printf("L - activate calling line notification\n"); 152 153 printf("m - deactivate echo canceling and noise reduction\n"); 154 printf("M - activate echo canceling and noise reduction\n"); 155 156 printf("n - deactivate voice recognition\n"); 157 printf("N - activate voice recognition\n"); 158 159 printf("o - Set speaker volume to 0 (minimum)\n"); 160 printf("O - Set speaker volume to 9 (default)\n"); 161 printf("p - Set speaker volume to 12 (higher)\n"); 162 printf("P - Set speaker volume to 15 (maximum)\n"); 163 164 printf("q - Set microphone gain to 0 (minimum)\n"); 165 printf("Q - Set microphone gain to 9 (default)\n"); 166 printf("s - Set microphone gain to 12 (higher)\n"); 167 printf("S - Set microphone gain to 15 (maximum)\n"); 168 169 printf("t - terminate connection\n"); 170 171 printf("u - send 'user busy' (TWC 0)\n"); 172 printf("U - end active call and accept other call' (TWC 1)\n"); 173 printf("v - Swap active call and hold/waiting call (TWC 2)\n"); 174 printf("V - Join held call (TWC 3)\n"); 175 printf("w - Connect calls (TWC 4)\n"); 176 printf("W - redial\n"); 177 178 printf("0123456789#*-+ - send DTMF dial tones\n"); 179 180 printf("x - request phone number for voice tag\n"); 181 printf("X - current call status (ECS)\n"); 182 printf("y - release call with index 2 (ECC)\n"); 183 printf("Y - private consulation with call 2(ECC)\n"); 184 185 printf("[ - Query Response and Hold status (RHH ?)\n"); 186 printf("] - Place call in a response and held state(RHH 0)\n"); 187 printf("{ - Accept held call(RHH 1)\n"); 188 printf("} - Reject held call(RHH 2)\n"); 189 190 printf("? - Query Subscriber Number (NUM)\n"); 191 192 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 193 194 printf("---\n"); 195 printf("Ctrl-c - exit\n"); 196 printf("---\n"); 197 } 198 199 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 200 read(ds->fd, &cmd, 1); 201 202 if (cmd >= '0' && cmd <= '9'){ 203 printf("DTMF Code: %c\n", cmd); 204 hfp_hf_send_dtmf_code(acl_handle, cmd); 205 return; 206 } 207 208 switch (cmd){ 209 case '#': 210 case '-': 211 case '+': 212 case '*': 213 log_info("USER:\'%c\'", cmd); 214 printf("DTMF Code: %c\n", cmd); 215 hfp_hf_send_dtmf_code(acl_handle, cmd); 216 break; 217 case 'a': 218 log_info("USER:\'%c\'", cmd); 219 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 220 hfp_hf_establish_service_level_connection(device_addr); 221 break; 222 case 'A': 223 log_info("USER:\'%c\'", cmd); 224 printf("Release Service level connection.\n"); 225 hfp_hf_release_service_level_connection(acl_handle); 226 break; 227 case 'b': 228 log_info("USER:\'%c\'", cmd); 229 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 230 hfp_hf_establish_audio_connection(acl_handle); 231 break; 232 case 'B': 233 log_info("USER:\'%c\'", cmd); 234 printf("Release Audio service level connection.\n"); 235 hfp_hf_release_audio_connection(acl_handle); 236 break; 237 case 'C': 238 log_info("USER:\'%c\'", cmd); 239 printf("Enable registration status update for all AG indicators.\n"); 240 hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 241 case 'c': 242 log_info("USER:\'%c\'", cmd); 243 printf("Disable registration status update for all AG indicators.\n"); 244 hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 245 break; 246 case 'D': 247 log_info("USER:\'%c\'", cmd); 248 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 249 hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 250 break; 251 case 'd': 252 log_info("USER:\'%c\'", cmd); 253 printf("Query network operator.\n"); 254 hfp_hf_query_operator_selection(acl_handle); 255 break; 256 case 'E': 257 log_info("USER:\'%c\'", cmd); 258 printf("Enable reporting of the extended AG error result code.\n"); 259 hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 260 break; 261 case 'e': 262 log_info("USER:\'%c\'", cmd); 263 printf("Disable reporting of the extended AG error result code.\n"); 264 hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 265 break; 266 case 'f': 267 log_info("USER:\'%c\'", cmd); 268 printf("Answer incoming call.\n"); 269 hfp_hf_answer_incoming_call(acl_handle); 270 break; 271 case 'F': 272 log_info("USER:\'%c\'", cmd); 273 printf("Hangup call.\n"); 274 hfp_hf_terminate_call(acl_handle); 275 break; 276 case 'G': 277 log_info("USER:\'%c\'", cmd); 278 printf("Reject incoming call.\n"); 279 hfp_hf_reject_incoming_call(acl_handle); 280 break; 281 case 'g': 282 log_info("USER:\'%c\'", cmd); 283 printf("Query operator.\n"); 284 hfp_hf_query_operator_selection(acl_handle); 285 break; 286 case 't': 287 log_info("USER:\'%c\'", cmd); 288 printf("Terminate HCI connection.\n"); 289 gap_disconnect(acl_handle); 290 break; 291 case 'i': 292 log_info("USER:\'%c\'", cmd); 293 printf("Dial 1234567\n"); 294 hfp_hf_dial_number(acl_handle, "1234567"); 295 break; 296 case 'I': 297 log_info("USER:\'%c\'", cmd); 298 printf("Dial 7654321\n"); 299 hfp_hf_dial_number(acl_handle, "7654321"); 300 break; 301 case 'j': 302 log_info("USER:\'%c\'", cmd); 303 printf("Dial #1\n"); 304 hfp_hf_dial_memory(acl_handle,1); 305 break; 306 case 'J': 307 log_info("USER:\'%c\'", cmd); 308 printf("Dial #99\n"); 309 hfp_hf_dial_memory(acl_handle,99); 310 break; 311 case 'k': 312 log_info("USER:\'%c\'", cmd); 313 printf("Deactivate call waiting notification\n"); 314 hfp_hf_deactivate_call_waiting_notification(acl_handle); 315 break; 316 case 'K': 317 log_info("USER:\'%c\'", cmd); 318 printf("Activate call waiting notification\n"); 319 hfp_hf_activate_call_waiting_notification(acl_handle); 320 break; 321 case 'l': 322 log_info("USER:\'%c\'", cmd); 323 printf("Deactivate calling line notification\n"); 324 hfp_hf_deactivate_calling_line_notification(acl_handle); 325 break; 326 case 'L': 327 log_info("USER:\'%c\'", cmd); 328 printf("Activate calling line notification\n"); 329 hfp_hf_activate_calling_line_notification(acl_handle); 330 break; 331 case 'm': 332 log_info("USER:\'%c\'", cmd); 333 printf("Deactivate echo canceling and noise reduction\n"); 334 hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 335 break; 336 case 'M': 337 log_info("USER:\'%c\'", cmd); 338 printf("Activate echo canceling and noise reduction\n"); 339 hfp_hf_activate_echo_canceling_and_noise_reduction(acl_handle); 340 break; 341 case 'n': 342 log_info("USER:\'%c\'", cmd); 343 printf("Deactivate voice recognition\n"); 344 hfp_hf_deactivate_voice_recognition_notification(acl_handle); 345 break; 346 case 'N': 347 log_info("USER:\'%c\'", cmd); 348 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 349 hfp_hf_activate_voice_recognition_notification(acl_handle); 350 break; 351 case 'o': 352 log_info("USER:\'%c\'", cmd); 353 printf("Set speaker gain to 0 (minimum)\n"); 354 hfp_hf_set_speaker_gain(acl_handle, 0); 355 break; 356 case 'O': 357 log_info("USER:\'%c\'", cmd); 358 printf("Set speaker gain to 9 (default)\n"); 359 hfp_hf_set_speaker_gain(acl_handle, 9); 360 break; 361 case 'p': 362 log_info("USER:\'%c\'", cmd); 363 printf("Set speaker gain to 12 (higher)\n"); 364 hfp_hf_set_speaker_gain(acl_handle, 12); 365 break; 366 case 'P': 367 log_info("USER:\'%c\'", cmd); 368 printf("Set speaker gain to 15 (maximum)\n"); 369 hfp_hf_set_speaker_gain(acl_handle, 15); 370 break; 371 case 'q': 372 log_info("USER:\'%c\'", cmd); 373 printf("Set microphone gain to 0\n"); 374 hfp_hf_set_microphone_gain(acl_handle, 0); 375 break; 376 case 'Q': 377 log_info("USER:\'%c\'", cmd); 378 printf("Set microphone gain to 9\n"); 379 hfp_hf_set_microphone_gain(acl_handle, 9); 380 break; 381 case 's': 382 log_info("USER:\'%c\'", cmd); 383 printf("Set microphone gain to 12\n"); 384 hfp_hf_set_microphone_gain(acl_handle, 12); 385 break; 386 case 'S': 387 log_info("USER:\'%c\'", cmd); 388 printf("Set microphone gain to 15\n"); 389 hfp_hf_set_microphone_gain(acl_handle, 15); 390 break; 391 case 'u': 392 log_info("USER:\'%c\'", cmd); 393 printf("Send 'user busy' (Three-Way Call 0)\n"); 394 hfp_hf_user_busy(acl_handle); 395 break; 396 case 'U': 397 log_info("USER:\'%c\'", cmd); 398 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 399 hfp_hf_end_active_and_accept_other(acl_handle); 400 break; 401 case 'v': 402 log_info("USER:\'%c\'", cmd); 403 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 404 hfp_hf_swap_calls(acl_handle); 405 break; 406 case 'V': 407 log_info("USER:\'%c\'", cmd); 408 printf("Join hold call (Three-Way Call 3)\n"); 409 hfp_hf_join_held_call(acl_handle); 410 break; 411 case 'w': 412 log_info("USER:\'%c\'", cmd); 413 printf("Connect calls (Three-Way Call 4)\n"); 414 hfp_hf_connect_calls(acl_handle); 415 break; 416 case 'W': 417 log_info("USER:\'%c\'", cmd); 418 printf("Redial\n"); 419 hfp_hf_redial_last_number(acl_handle); 420 break; 421 case 'x': 422 log_info("USER:\'%c\'", cmd); 423 printf("Request phone number for voice tag\n"); 424 hfp_hf_request_phone_number_for_voice_tag(acl_handle); 425 break; 426 case 'X': 427 log_info("USER:\'%c\'", cmd); 428 printf("Query current call status\n"); 429 hfp_hf_query_current_call_status(acl_handle); 430 break; 431 case 'y': 432 log_info("USER:\'%c\'", cmd); 433 printf("Release call with index 2\n"); 434 hfp_hf_release_call_with_index(acl_handle, 2); 435 break; 436 case 'Y': 437 log_info("USER:\'%c\'", cmd); 438 printf("Private consulation with call 2\n"); 439 hfp_hf_private_consultation_with_call(acl_handle, 2); 440 break; 441 case '[': 442 log_info("USER:\'%c\'", cmd); 443 printf("Query Response and Hold status (RHH ?)\n"); 444 hfp_hf_rrh_query_status(acl_handle); 445 break; 446 case ']': 447 log_info("USER:\'%c\'", cmd); 448 printf("Place call in a response and held state (RHH 0)\n"); 449 hfp_hf_rrh_hold_call(acl_handle); 450 break; 451 case '{': 452 log_info("USER:\'%c\'", cmd); 453 printf("Accept held call (RHH 1)\n"); 454 hfp_hf_rrh_accept_held_call(acl_handle); 455 break; 456 case '}': 457 log_info("USER:\'%c\'", cmd); 458 printf("Reject held call (RHH 2)\n"); 459 hfp_hf_rrh_reject_held_call(acl_handle); 460 break; 461 case '?': 462 log_info("USER:\'%c\'", cmd); 463 printf("Query Subscriber Number\n"); 464 hfp_hf_query_subscriber_number(acl_handle); 465 break; 466 case '!': 467 log_info("USER:\'%c\'", cmd); 468 printf("Update HF indicator with assigned number 1 (HFI)\n"); 469 hfp_hf_set_hf_indicator(acl_handle, 1, 1); 470 break; 471 472 default: 473 show_usage(); 474 break; 475 } 476 } 477 #endif 478 479 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 480 481 switch (packet_type){ 482 483 case HCI_SCO_DATA_PACKET: 484 sco_demo_receive(event, event_size); 485 break; 486 487 case HCI_EVENT_PACKET: 488 switch (event[0]){ 489 case HCI_EVENT_SCO_CAN_SEND_NOW: 490 sco_demo_send(sco_handle); 491 break; 492 493 case HCI_EVENT_COMMAND_COMPLETE: 494 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 495 dump_supported_codecs(); 496 } 497 break; 498 499 case HCI_EVENT_HFP_META: 500 switch (event[2]) { 501 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 502 acl_handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 503 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 504 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 505 break; 506 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 507 printf("Service level connection released.\n\n"); 508 break; 509 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 510 if (hfp_subevent_audio_connection_established_get_status(event)){ 511 sco_handle = 0; 512 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 513 } else { 514 sco_handle = hfp_subevent_audio_connection_established_get_handle(event); 515 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 516 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 517 switch (negotiated_codec){ 518 case 0x01: 519 printf("Using CVSD codec.\n"); 520 break; 521 case 0x02: 522 printf("Using mSBC codec.\n"); 523 break; 524 default: 525 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 526 break; 527 } 528 sco_demo_set_codec(negotiated_codec); 529 hci_request_sco_can_send_now_event(); 530 } 531 break; 532 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 533 sco_handle = 0; 534 printf("Audio connection released\n"); 535 sco_demo_close(); 536 break; 537 case HFP_SUBEVENT_COMPLETE: 538 switch (cmd){ 539 case 'd': 540 printf("HFP AG registration status update enabled.\n"); 541 break; 542 case 'e': 543 printf("HFP AG registration status update for individual indicators set.\n"); 544 default: 545 break; 546 } 547 break; 548 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 549 printf("AG_INDICATOR_STATUS_CHANGED, AG indicator '%s' (index: %d) to: %d\n", (const char*) &event[5], event[3], event[4]); 550 break; 551 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 552 printf("NETWORK_OPERATOR_CHANGED, operator mode: %d, format: %d, name: %s\n", event[3], event[4], (char *) &event[5]); 553 break; 554 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 555 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status : %d\n", event[3]); 556 break; 557 case HFP_SUBEVENT_RING: 558 printf("** Ring **\n"); 559 break; 560 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 561 printf("Phone number for voice tag: %s\n", (const char *) &event[3]); 562 break; 563 case HFP_SUBEVENT_SPEAKER_VOLUME: 564 printf("Speaker volume: %u\n", event[3]); 565 break; 566 case HFP_SUBEVENT_MICROPHONE_VOLUME: 567 printf("Microphone volume: %u\n", event[3]); 568 break; 569 default: 570 printf("event not handled %u\n", event[2]); 571 break; 572 } 573 break; 574 575 default: 576 break; 577 } 578 break; 579 580 default: 581 break; 582 } 583 584 if (event[0] != HCI_EVENT_HFP_META) return; 585 } 586 587 /* @section Main Application Setup 588 * 589 * @text Listing MainConfiguration shows main application code. 590 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 591 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 592 * The stdin_process callback allows for sending commands to the HFP AG. 593 * At the end the Bluetooth stack is started. 594 */ 595 596 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 597 int btstack_main(int argc, const char * argv[]); 598 int btstack_main(int argc, const char * argv[]){ 599 600 sco_demo_init(); 601 602 // register for HCI events 603 hci_event_callback_registration.callback = &packet_handler; 604 hci_add_event_handler(&hci_event_callback_registration); 605 hci_register_sco_packet_handler(&packet_handler); 606 607 gap_discoverable_control(1); 608 gap_set_class_of_device(0x200408); 609 610 // init L2CAP 611 l2cap_init(); 612 613 uint16_t hf_supported_features = 614 (1<<HFP_HFSF_ESCO_S4) | 615 (1<<HFP_HFSF_HF_INDICATORS) | 616 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 617 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 618 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 619 int wide_band_speech = 1; 620 621 rfcomm_init(); 622 hfp_hf_init(rfcomm_channel_nr); 623 hfp_hf_init_supported_features(hf_supported_features); 624 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 625 hfp_hf_init_codecs(sizeof(codecs), codecs); 626 627 hfp_hf_register_packet_handler(packet_handler); 628 hci_register_sco_packet_handler(&packet_handler); 629 630 sdp_init(); 631 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 632 hfp_hf_create_sdp_record(hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 633 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 634 sdp_register_service(hfp_service_buffer); 635 636 637 #ifdef HAVE_POSIX_STDIN 638 btstack_stdin_setup(stdin_process); 639 #endif 640 // turn on! 641 hci_power_control(HCI_POWER_ON); 642 return 0; 643 } 644 /* LISTING_END */ 645 /* EXAMPLE_END */ 646