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 #define __BTSTACK_FILE__ "hfp_hf_demo.c" 40 41 /* 42 * hfp_hs_demo.c 43 */ 44 45 // ***************************************************************************** 46 /* EXAMPLE_START(hfp_hs_demo): HFP Hands-Free (HF) Demo 47 * 48 * @text This HFP Hands-Free example demonstrates how to receive 49 * an output from a remote HFP audio gateway (AG), and, 50 * if HAVE_BTSTACK_STDIN is defined, how to control the HFP AG. 51 */ 52 // ***************************************************************************** 53 54 55 #include "btstack_config.h" 56 57 #include <stdint.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include "btstack.h" 62 63 #include "sco_demo_util.h" 64 65 #ifdef HAVE_BTSTACK_STDIN 66 #include "btstack_stdin.h" 67 #endif 68 69 uint8_t hfp_service_buffer[150]; 70 const uint8_t rfcomm_channel_nr = 1; 71 const char hfp_hf_service_name[] = "BTstack HFP HF Demo"; 72 73 #ifdef HAVE_BTSTACK_STDIN 74 static const char * device_addr_string = "00:1B:DC:08:0A:A5"; 75 #endif 76 77 static bd_addr_t device_addr; 78 79 #ifdef HAVE_BTSTACK_STDIN 80 // 80:BE:05:D5:28:48 81 // prototypes 82 static void show_usage(void); 83 #endif 84 static hci_con_handle_t acl_handle = -1; 85 static hci_con_handle_t sco_handle; 86 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 87 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 88 #else 89 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 90 #endif 91 static uint16_t indicators[1] = {0x01}; 92 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 93 static btstack_packet_callback_registration_t hci_event_callback_registration; 94 char cmd; 95 96 static void dump_supported_codecs(void){ 97 int i; 98 int mSBC_skipped = 0; 99 printf("Supported codecs: "); 100 for (i = 0; i < sizeof(codecs); i++){ 101 switch(codecs[i]){ 102 case HFP_CODEC_CVSD: 103 printf("CVSD"); 104 break; 105 case HFP_CODEC_MSBC: 106 if (hci_extended_sco_link_supported()){ 107 printf(", mSBC"); 108 } else { 109 mSBC_skipped = 1; 110 } 111 break; 112 } 113 } 114 printf("\n"); 115 if (mSBC_skipped){ 116 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 117 } 118 } 119 120 #ifdef HAVE_BTSTACK_STDIN 121 122 // Testig User Interface 123 static void show_usage(void){ 124 bd_addr_t iut_address; 125 gap_local_bd_addr(iut_address); 126 127 printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 128 printf("\n"); 129 printf("a - establish SLC to %s | ", bd_addr_to_str(device_addr)); 130 printf("A - release SLC connection to device\n"); 131 printf("b - establish Audio connection | B - release Audio connection\n"); 132 printf("d - query network operator | D - Enable HFP AG registration status update via bitmap(IIA)\n"); 133 printf("f - answer incoming call | F - Hangup call\n"); 134 printf("g - query network operator name | G - reject incoming call\n"); 135 printf("i - dial 1234567 | I - dial 7654321\n"); 136 printf("j - dial #1 | J - dial #99\n"); 137 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 138 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 139 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 140 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 141 printf("t - terminate connection\n"); 142 printf("u - send 'user busy' (TWC 0)\n"); 143 printf("U - end active call and accept other call' (TWC 1)\n"); 144 printf("v - Swap active call call (TWC 2) | V - Join held call (TWC 3)\n"); 145 printf("w - Connect calls (TWC 4) | W - redial\n"); 146 printf("c/C - disable/enable registration status update for all AG indicators\n"); 147 printf("e/E - disable/enable reporting of the extended AG error result code\n"); 148 printf("k/K - deactivate/activate call waiting notification\n"); 149 printf("l/L - deactivate/activate calling line notification\n"); 150 printf("m/M - deactivate/activate echo canceling and noise reduction\n"); 151 printf("n/N - deactivate/activate voice recognition\n"); 152 printf("0123456789#*-+ - send DTMF dial tones\n"); 153 printf("x - request phone number for voice tag | X - current call status (ECS)\n"); 154 printf("y - release call with index 2 (ECC) | Y - private consulation with call 2(ECC)\n"); 155 printf("[ - Query Response and Hold status (RHH ?) | ] - Place call in a response and held state(RHH 0)\n"); 156 printf("{ - Accept held call(RHH 1) | } - Reject held call(RHH 2)\n"); 157 printf("? - Query Subscriber Number (NUM)\n"); 158 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 159 printf("---\n"); 160 printf("Ctrl-c - exit\n"); 161 printf("---\n"); 162 } 163 164 static void stdin_process(char c){ 165 cmd = c; // used in packet handler 166 167 if (cmd >= '0' && cmd <= '9'){ 168 printf("DTMF Code: %c\n", cmd); 169 hfp_hf_send_dtmf_code(acl_handle, cmd); 170 return; 171 } 172 173 switch (cmd){ 174 case '#': 175 case '-': 176 case '+': 177 case '*': 178 log_info("USER:\'%c\'", cmd); 179 printf("DTMF Code: %c\n", cmd); 180 hfp_hf_send_dtmf_code(acl_handle, cmd); 181 break; 182 case 'a': 183 log_info("USER:\'%c\'", cmd); 184 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 185 hfp_hf_establish_service_level_connection(device_addr); 186 break; 187 case 'A': 188 log_info("USER:\'%c\'", cmd); 189 printf("Release Service level connection.\n"); 190 hfp_hf_release_service_level_connection(acl_handle); 191 break; 192 case 'b': 193 log_info("USER:\'%c\'", cmd); 194 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 195 hfp_hf_establish_audio_connection(acl_handle); 196 break; 197 case 'B': 198 log_info("USER:\'%c\'", cmd); 199 printf("Release Audio service level connection.\n"); 200 hfp_hf_release_audio_connection(acl_handle); 201 break; 202 case 'C': 203 log_info("USER:\'%c\'", cmd); 204 printf("Enable registration status update for all AG indicators.\n"); 205 hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 206 break; 207 case 'c': 208 log_info("USER:\'%c\'", cmd); 209 printf("Disable registration status update for all AG indicators.\n"); 210 hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 211 break; 212 case 'D': 213 log_info("USER:\'%c\'", cmd); 214 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 215 hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 216 break; 217 case 'd': 218 log_info("USER:\'%c\'", cmd); 219 printf("Query network operator.\n"); 220 hfp_hf_query_operator_selection(acl_handle); 221 break; 222 case 'E': 223 log_info("USER:\'%c\'", cmd); 224 printf("Enable reporting of the extended AG error result code.\n"); 225 hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 226 break; 227 case 'e': 228 log_info("USER:\'%c\'", cmd); 229 printf("Disable reporting of the extended AG error result code.\n"); 230 hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 231 break; 232 case 'f': 233 log_info("USER:\'%c\'", cmd); 234 printf("Answer incoming call.\n"); 235 hfp_hf_answer_incoming_call(acl_handle); 236 break; 237 case 'F': 238 log_info("USER:\'%c\'", cmd); 239 printf("Hangup call.\n"); 240 hfp_hf_terminate_call(acl_handle); 241 break; 242 case 'G': 243 log_info("USER:\'%c\'", cmd); 244 printf("Reject incoming call.\n"); 245 hfp_hf_reject_incoming_call(acl_handle); 246 break; 247 case 'g': 248 log_info("USER:\'%c\'", cmd); 249 printf("Query operator.\n"); 250 hfp_hf_query_operator_selection(acl_handle); 251 break; 252 case 't': 253 log_info("USER:\'%c\'", cmd); 254 printf("Terminate HCI connection.\n"); 255 gap_disconnect(acl_handle); 256 break; 257 case 'i': 258 log_info("USER:\'%c\'", cmd); 259 printf("Dial 1234567\n"); 260 hfp_hf_dial_number(acl_handle, "1234567"); 261 break; 262 case 'I': 263 log_info("USER:\'%c\'", cmd); 264 printf("Dial 7654321\n"); 265 hfp_hf_dial_number(acl_handle, "7654321"); 266 break; 267 case 'j': 268 log_info("USER:\'%c\'", cmd); 269 printf("Dial #1\n"); 270 hfp_hf_dial_memory(acl_handle,1); 271 break; 272 case 'J': 273 log_info("USER:\'%c\'", cmd); 274 printf("Dial #99\n"); 275 hfp_hf_dial_memory(acl_handle,99); 276 break; 277 case 'k': 278 log_info("USER:\'%c\'", cmd); 279 printf("Deactivate call waiting notification\n"); 280 hfp_hf_deactivate_call_waiting_notification(acl_handle); 281 break; 282 case 'K': 283 log_info("USER:\'%c\'", cmd); 284 printf("Activate call waiting notification\n"); 285 hfp_hf_activate_call_waiting_notification(acl_handle); 286 break; 287 case 'l': 288 log_info("USER:\'%c\'", cmd); 289 printf("Deactivate calling line notification\n"); 290 hfp_hf_deactivate_calling_line_notification(acl_handle); 291 break; 292 case 'L': 293 log_info("USER:\'%c\'", cmd); 294 printf("Activate calling line notification\n"); 295 hfp_hf_activate_calling_line_notification(acl_handle); 296 break; 297 case 'm': 298 log_info("USER:\'%c\'", cmd); 299 printf("Deactivate echo canceling and noise reduction\n"); 300 hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 301 break; 302 case 'M': 303 log_info("USER:\'%c\'", cmd); 304 printf("Activate echo canceling and noise reduction\n"); 305 hfp_hf_activate_echo_canceling_and_noise_reduction(acl_handle); 306 break; 307 case 'n': 308 log_info("USER:\'%c\'", cmd); 309 printf("Deactivate voice recognition\n"); 310 hfp_hf_deactivate_voice_recognition_notification(acl_handle); 311 break; 312 case 'N': 313 log_info("USER:\'%c\'", cmd); 314 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 315 hfp_hf_activate_voice_recognition_notification(acl_handle); 316 break; 317 case 'o': 318 log_info("USER:\'%c\'", cmd); 319 printf("Set speaker gain to 0 (minimum)\n"); 320 hfp_hf_set_speaker_gain(acl_handle, 0); 321 break; 322 case 'O': 323 log_info("USER:\'%c\'", cmd); 324 printf("Set speaker gain to 9 (default)\n"); 325 hfp_hf_set_speaker_gain(acl_handle, 9); 326 break; 327 case 'p': 328 log_info("USER:\'%c\'", cmd); 329 printf("Set speaker gain to 12 (higher)\n"); 330 hfp_hf_set_speaker_gain(acl_handle, 12); 331 break; 332 case 'P': 333 log_info("USER:\'%c\'", cmd); 334 printf("Set speaker gain to 15 (maximum)\n"); 335 hfp_hf_set_speaker_gain(acl_handle, 15); 336 break; 337 case 'q': 338 log_info("USER:\'%c\'", cmd); 339 printf("Set microphone gain to 0\n"); 340 hfp_hf_set_microphone_gain(acl_handle, 0); 341 break; 342 case 'Q': 343 log_info("USER:\'%c\'", cmd); 344 printf("Set microphone gain to 9\n"); 345 hfp_hf_set_microphone_gain(acl_handle, 9); 346 break; 347 case 's': 348 log_info("USER:\'%c\'", cmd); 349 printf("Set microphone gain to 12\n"); 350 hfp_hf_set_microphone_gain(acl_handle, 12); 351 break; 352 case 'S': 353 log_info("USER:\'%c\'", cmd); 354 printf("Set microphone gain to 15\n"); 355 hfp_hf_set_microphone_gain(acl_handle, 15); 356 break; 357 case 'u': 358 log_info("USER:\'%c\'", cmd); 359 printf("Send 'user busy' (Three-Way Call 0)\n"); 360 hfp_hf_user_busy(acl_handle); 361 break; 362 case 'U': 363 log_info("USER:\'%c\'", cmd); 364 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 365 hfp_hf_end_active_and_accept_other(acl_handle); 366 break; 367 case 'v': 368 log_info("USER:\'%c\'", cmd); 369 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 370 hfp_hf_swap_calls(acl_handle); 371 break; 372 case 'V': 373 log_info("USER:\'%c\'", cmd); 374 printf("Join hold call (Three-Way Call 3)\n"); 375 hfp_hf_join_held_call(acl_handle); 376 break; 377 case 'w': 378 log_info("USER:\'%c\'", cmd); 379 printf("Connect calls (Three-Way Call 4)\n"); 380 hfp_hf_connect_calls(acl_handle); 381 break; 382 case 'W': 383 log_info("USER:\'%c\'", cmd); 384 printf("Redial\n"); 385 hfp_hf_redial_last_number(acl_handle); 386 break; 387 case 'x': 388 log_info("USER:\'%c\'", cmd); 389 printf("Request phone number for voice tag\n"); 390 hfp_hf_request_phone_number_for_voice_tag(acl_handle); 391 break; 392 case 'X': 393 log_info("USER:\'%c\'", cmd); 394 printf("Query current call status\n"); 395 hfp_hf_query_current_call_status(acl_handle); 396 break; 397 case 'y': 398 log_info("USER:\'%c\'", cmd); 399 printf("Release call with index 2\n"); 400 hfp_hf_release_call_with_index(acl_handle, 2); 401 break; 402 case 'Y': 403 log_info("USER:\'%c\'", cmd); 404 printf("Private consulation with call 2\n"); 405 hfp_hf_private_consultation_with_call(acl_handle, 2); 406 break; 407 case '[': 408 log_info("USER:\'%c\'", cmd); 409 printf("Query Response and Hold status (RHH ?)\n"); 410 hfp_hf_rrh_query_status(acl_handle); 411 break; 412 case ']': 413 log_info("USER:\'%c\'", cmd); 414 printf("Place call in a response and held state (RHH 0)\n"); 415 hfp_hf_rrh_hold_call(acl_handle); 416 break; 417 case '{': 418 log_info("USER:\'%c\'", cmd); 419 printf("Accept held call (RHH 1)\n"); 420 hfp_hf_rrh_accept_held_call(acl_handle); 421 break; 422 case '}': 423 log_info("USER:\'%c\'", cmd); 424 printf("Reject held call (RHH 2)\n"); 425 hfp_hf_rrh_reject_held_call(acl_handle); 426 break; 427 case '?': 428 log_info("USER:\'%c\'", cmd); 429 printf("Query Subscriber Number\n"); 430 hfp_hf_query_subscriber_number(acl_handle); 431 break; 432 case '!': 433 log_info("USER:\'%c\'", cmd); 434 printf("Update HF indicator with assigned number 1 (HFI)\n"); 435 hfp_hf_set_hf_indicator(acl_handle, 1, 1); 436 break; 437 438 default: 439 show_usage(); 440 break; 441 } 442 } 443 #endif 444 445 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 446 UNUSED(channel); 447 448 switch (packet_type){ 449 450 case HCI_SCO_DATA_PACKET: 451 sco_demo_receive(event, event_size); 452 break; 453 454 case HCI_EVENT_PACKET: 455 switch (event[0]){ 456 case HCI_EVENT_SCO_CAN_SEND_NOW: 457 sco_demo_send(sco_handle); 458 break; 459 460 case HCI_EVENT_COMMAND_COMPLETE: 461 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 462 dump_supported_codecs(); 463 } 464 break; 465 466 case HCI_EVENT_HFP_META: 467 switch (event[2]) { 468 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 469 acl_handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 470 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 471 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 472 break; 473 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 474 printf("Service level connection released.\n\n"); 475 break; 476 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 477 if (hfp_subevent_audio_connection_established_get_status(event)){ 478 sco_handle = 0; 479 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 480 } else { 481 sco_handle = hfp_subevent_audio_connection_established_get_handle(event); 482 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 483 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 484 switch (negotiated_codec){ 485 case 0x01: 486 printf("Using CVSD codec.\n"); 487 break; 488 case 0x02: 489 printf("Using mSBC codec.\n"); 490 break; 491 default: 492 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 493 break; 494 } 495 sco_demo_set_codec(negotiated_codec); 496 hci_request_sco_can_send_now_event(); 497 } 498 break; 499 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 500 sco_handle = 0; 501 printf("Audio connection released\n"); 502 sco_demo_close(); 503 break; 504 case HFP_SUBEVENT_COMPLETE: 505 switch (cmd){ 506 case 'd': 507 printf("HFP AG registration status update enabled.\n"); 508 break; 509 case 'e': 510 printf("HFP AG registration status update for individual indicators set.\n"); 511 break; 512 default: 513 break; 514 } 515 break; 516 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 517 printf("AG_INDICATOR_STATUS_CHANGED, AG indicator '%s' (index: %d) to: %d\n", (const char*) &event[5], event[3], event[4]); 518 break; 519 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 520 printf("NETWORK_OPERATOR_CHANGED, operator mode: %d, format: %d, name: %s\n", event[3], event[4], (char *) &event[5]); 521 break; 522 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 523 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status : %d\n", event[3]); 524 break; 525 case HFP_SUBEVENT_RING: 526 printf("** Ring **\n"); 527 break; 528 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 529 printf("Phone number for voice tag: %s\n", (const char *) &event[3]); 530 break; 531 case HFP_SUBEVENT_SPEAKER_VOLUME: 532 printf("Speaker volume: %u\n", event[3]); 533 break; 534 case HFP_SUBEVENT_MICROPHONE_VOLUME: 535 printf("Microphone volume: %u\n", event[3]); 536 break; 537 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 538 printf("Caller ID, number %s\n", hfp_subevent_calling_line_identification_notification_get_number(event)); 539 break; 540 default: 541 printf("event not handled %u\n", event[2]); 542 break; 543 } 544 break; 545 546 default: 547 break; 548 } 549 break; 550 551 default: 552 break; 553 } 554 555 } 556 557 /* @section Main Application Setup 558 * 559 * @text Listing MainConfiguration shows main application code. 560 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 561 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 562 * The stdin_process callback allows for sending commands to the HFP AG. 563 * At the end the Bluetooth stack is started. 564 */ 565 566 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 567 int btstack_main(int argc, const char * argv[]); 568 int btstack_main(int argc, const char * argv[]){ 569 (void)argc; 570 (void)argv; 571 572 sco_demo_init(); 573 574 // register for HCI events 575 hci_event_callback_registration.callback = &packet_handler; 576 hci_add_event_handler(&hci_event_callback_registration); 577 hci_register_sco_packet_handler(&packet_handler); 578 579 gap_discoverable_control(1); 580 gap_set_class_of_device(0x200408); 581 582 // init L2CAP 583 l2cap_init(); 584 585 uint16_t hf_supported_features = 586 (1<<HFP_HFSF_ESCO_S4) | 587 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 588 (1<<HFP_HFSF_HF_INDICATORS) | 589 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 590 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 591 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 592 int wide_band_speech = 1; 593 594 rfcomm_init(); 595 hfp_hf_init(rfcomm_channel_nr); 596 hfp_hf_init_supported_features(hf_supported_features); 597 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 598 hfp_hf_init_codecs(sizeof(codecs), codecs); 599 600 hfp_hf_register_packet_handler(packet_handler); 601 hci_register_sco_packet_handler(&packet_handler); 602 603 sdp_init(); 604 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 605 hfp_hf_create_sdp_record(hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 606 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 607 sdp_register_service(hfp_service_buffer); 608 609 #ifdef HAVE_BTSTACK_STDIN 610 // parse human readable Bluetooth address 611 sscanf_bd_addr(device_addr_string, device_addr); 612 btstack_stdin_setup(stdin_process); 613 #endif 614 // turn on! 615 hci_power_control(HCI_POWER_ON); 616 return 0; 617 } 618 /* LISTING_END */ 619 /* EXAMPLE_END */ 620