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 #define __BTSTACK_FILE__ "hfp_ag_demo.c" 39 40 /* 41 * hfp_ag_demo.c 42 */ 43 44 // ***************************************************************************** 45 /* EXAMPLE_START(hfp_ag_demo): HFP Audio Gateway (AG) Demo 46 * 47 * @text This HFP Audio Gateway example demonstrates how to receive 48 * an output from a remote HFP Hands-Free (HF) unit, and, 49 * if HAVE_BTSTACK_STDIN is defined, how to control the HFP HF. 50 */ 51 // ***************************************************************************** 52 53 54 #include <stdint.h> 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <string.h> 58 #include <unistd.h> 59 60 #include "btstack.h" 61 #include "sco_demo_util.h" 62 #ifdef HAVE_BTSTACK_STDIN 63 #include "btstack_stdin.h" 64 #endif 65 66 uint8_t hfp_service_buffer[150]; 67 const uint8_t rfcomm_channel_nr = 1; 68 const char hfp_ag_service_name[] = "BTstack HFP AG Test"; 69 70 static bd_addr_t device_addr; 71 static const char * device_addr_string = "00:15:83:5F:9D:46"; 72 73 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 74 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 75 #else 76 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 77 #endif 78 79 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 80 81 static hci_con_handle_t acl_handle = -1; 82 static hci_con_handle_t sco_handle; 83 static int memory_1_enabled = 1; 84 static btstack_packet_callback_registration_t hci_event_callback_registration; 85 86 static int ag_indicators_nr = 7; 87 static hfp_ag_indicator_t ag_indicators[] = { 88 // index, name, min range, max range, status, mandatory, enabled, status changed 89 {1, "service", 0, 1, 1, 0, 0, 0}, 90 {2, "call", 0, 1, 0, 1, 1, 0}, 91 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 92 {4, "battchg", 0, 5, 3, 0, 0, 0}, 93 {5, "signal", 0, 5, 5, 0, 1, 0}, 94 {6, "roam", 0, 1, 0, 0, 1, 0}, 95 {7, "callheld", 0, 2, 0, 1, 1, 0} 96 }; 97 98 static int call_hold_services_nr = 5; 99 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 100 101 static int hf_indicators_nr = 2; 102 static hfp_generic_status_indicator_t hf_indicators[] = { 103 {1, 1}, 104 {2, 1}, 105 }; 106 107 #define INQUIRY_INTERVAL 5 108 109 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 110 enum STATE state = INIT; 111 112 static void dump_supported_codecs(void){ 113 int i; 114 int mSBC_skipped = 0; 115 printf("Supported codecs: "); 116 for (i = 0; i < sizeof(codecs); i++){ 117 switch(codecs[i]){ 118 case HFP_CODEC_CVSD: 119 printf("CVSD"); 120 break; 121 case HFP_CODEC_MSBC: 122 if (hci_extended_sco_link_supported()){ 123 printf(", mSBC"); 124 } else { 125 mSBC_skipped = 1; 126 } 127 break; 128 } 129 } 130 printf("\n"); 131 if (mSBC_skipped){ 132 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 133 } 134 } 135 136 #ifdef HAVE_BTSTACK_STDIN 137 // Testig User Interface 138 static void show_usage(void){ 139 bd_addr_t iut_address; 140 gap_local_bd_addr(iut_address); 141 142 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 143 printf("\n"); 144 145 printf("a - establish HFP connection to PTS module %s\n", bd_addr_to_str(device_addr)); 146 // printf("A - release HFP connection to PTS module\n"); 147 148 printf("b - establish AUDIO connection | B - release AUDIO connection\n"); 149 printf("c - simulate incoming call from 1234567 | C - simulate call from 1234567 dropped\n"); 150 printf("d - report AG failure\n"); 151 printf("e - answer call on AG | E - reject call on AG\n"); 152 printf("r - disable in-band ring tone | R - enable in-band ring tone\n"); 153 printf("f - Disable cellular network | F - Enable cellular network\n"); 154 printf("g - Set signal strength to 0 | G - Set signal strength to 5\n"); 155 printf("h - Disable roaming | H - Enable roaming\n"); 156 printf("i - Set battery level to 3 | I - Set battery level to 5\n"); 157 printf("j - Answering call on remote side\n"); 158 printf("k - Clear memory #1 | K - Set memory #1\n"); 159 printf("l - Clear last number | L - Set last number\n"); 160 printf("m - simulate incoming call from 7654321\n"); 161 // printf("M - simulate call from 7654321 dropped\n"); 162 printf("n - Disable Voice Regocnition | N - Enable Voice Recognition\n"); 163 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 164 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 165 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 166 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 167 printf("t - terminate connection\n"); 168 printf("u - join held call\n"); 169 printf("v - discover nearby HF units\n"); 170 printf("w - put incoming call on hold (Response and Hold)\n"); 171 printf("x - accept held incoming call (Response and Hold)\n"); 172 printf("X - reject held incoming call (Response and Hold)\n"); 173 174 printf("---\n"); 175 printf("Ctrl-c - exit\n"); 176 printf("---\n"); 177 } 178 179 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 180 UNUSED(ds); 181 UNUSED(callback_type); 182 183 char cmd = btstack_stdin_read(); 184 switch (cmd){ 185 case 'a': 186 log_info("USER:\'%c\'", cmd); 187 printf("Establish HFP service level connection to PTS module %s...\n", bd_addr_to_str(device_addr)); 188 hfp_ag_establish_service_level_connection(device_addr); 189 break; 190 case 'A': 191 log_info("USER:\'%c\'", cmd); 192 printf("Release HFP service level connection.\n"); 193 hfp_ag_release_service_level_connection(acl_handle); 194 break; 195 case 'Z': 196 log_info("USER:\'%c\'", cmd); 197 printf("Release HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 198 hfp_ag_release_service_level_connection(acl_handle); 199 break; 200 case 'b': 201 log_info("USER:\'%c\'", cmd); 202 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 203 hfp_ag_establish_audio_connection(acl_handle); 204 break; 205 case 'B': 206 log_info("USER:\'%c\'", cmd); 207 printf("Release Audio connection.\n"); 208 hfp_ag_release_audio_connection(acl_handle); 209 break; 210 case 'c': 211 log_info("USER:\'%c\'", cmd); 212 printf("Simulate incoming call from 1234567\n"); 213 hfp_ag_set_clip(129, "1234567"); 214 hfp_ag_incoming_call(); 215 break; 216 case 'm': 217 log_info("USER:\'%c\'", cmd); 218 printf("Simulate incoming call from 7654321\n"); 219 hfp_ag_set_clip(129, "7654321"); 220 hfp_ag_incoming_call(); 221 break; 222 case 'C': 223 log_info("USER:\'%c\'", cmd); 224 printf("Simulate terminate call\n"); 225 hfp_ag_call_dropped(); 226 break; 227 case 'd': 228 log_info("USER:\'%c\'", cmd); 229 printf("Report AG failure\n"); 230 hfp_ag_report_extended_audio_gateway_error_result_code(acl_handle, HFP_CME_ERROR_AG_FAILURE); 231 break; 232 case 'e': 233 log_info("USER:\'%c\'", cmd); 234 printf("Answer call on AG\n"); 235 hfp_ag_answer_incoming_call(); 236 break; 237 case 'E': 238 log_info("USER:\'%c\'", cmd); 239 printf("Reject call on AG\n"); 240 hfp_ag_terminate_call(); 241 break; 242 case 'f': 243 log_info("USER:\'%c\'", cmd); 244 printf("Disable cellular network\n"); 245 hfp_ag_set_registration_status(0); 246 break; 247 case 'F': 248 log_info("USER:\'%c\'", cmd); 249 printf("Enable cellular network\n"); 250 hfp_ag_set_registration_status(1); 251 break; 252 case 'g': 253 log_info("USER:\'%c\'", cmd); 254 printf("Set signal strength to 0\n"); 255 hfp_ag_set_signal_strength(0); 256 break; 257 case 'G': 258 log_info("USER:\'%c\'", cmd); 259 printf("Set signal strength to 5\n"); 260 hfp_ag_set_signal_strength(5); 261 break; 262 case 'h': 263 log_info("USER:\'%c\'", cmd); 264 printf("Disable roaming\n"); 265 hfp_ag_set_roaming_status(0); 266 break; 267 case 'H': 268 log_info("USER:\'%c\'", cmd); 269 printf("Enable roaming\n"); 270 hfp_ag_set_roaming_status(1); 271 break; 272 case 'i': 273 log_info("USER:\'%c\'", cmd); 274 printf("Set battery level to 3\n"); 275 hfp_ag_set_battery_level(3); 276 break; 277 case 'I': 278 log_info("USER:\'%c\'", cmd); 279 printf("Set battery level to 5\n"); 280 hfp_ag_set_battery_level(5); 281 break; 282 case 'j': 283 log_info("USER:\'%c\'", cmd); 284 printf("Answering call on remote side\n"); 285 hfp_ag_outgoing_call_established(); 286 break; 287 case 'r': 288 log_info("USER:\'%c\'", cmd); 289 printf("Disable in-band ring tone\n"); 290 hfp_ag_set_use_in_band_ring_tone(0); 291 break; 292 case 'k': 293 log_info("USER:\'%c\'", cmd); 294 printf("Memory 1 cleared\n"); 295 memory_1_enabled = 0; 296 break; 297 case 'K': 298 log_info("USER:\'%c\'", cmd); 299 printf("Memory 1 set\n"); 300 memory_1_enabled = 1; 301 break; 302 case 'l': 303 log_info("USER:\'%c\'", cmd); 304 printf("Last dialed number cleared\n"); 305 hfp_ag_clear_last_dialed_number(); 306 break; 307 case 'L': 308 log_info("USER:\'%c\'", cmd); 309 printf("Outgoing call connected, ringing\n"); 310 hfp_ag_outgoing_call_ringing(); 311 break; 312 case 'n': 313 log_info("USER:\'%c\'", cmd); 314 printf("Disable Voice Recognition\n"); 315 hfp_ag_activate_voice_recognition(acl_handle, 0); 316 break; 317 case 'N': 318 log_info("USER:\'%c\'", cmd); 319 printf("Enable Voice Recognition\n"); 320 hfp_ag_activate_voice_recognition(acl_handle, 1); 321 break; 322 case 'o': 323 log_info("USER:\'%c\'", cmd); 324 printf("Set speaker gain to 0 (minimum)\n"); 325 hfp_ag_set_speaker_gain(acl_handle, 0); 326 break; 327 case 'O': 328 log_info("USER:\'%c\'", cmd); 329 printf("Set speaker gain to 9 (default)\n"); 330 hfp_ag_set_speaker_gain(acl_handle, 9); 331 break; 332 case 'p': 333 log_info("USER:\'%c\'", cmd); 334 printf("Set speaker gain to 12 (higher)\n"); 335 hfp_ag_set_speaker_gain(acl_handle, 12); 336 break; 337 case 'P': 338 log_info("USER:\'%c\'", cmd); 339 printf("Set speaker gain to 15 (maximum)\n"); 340 hfp_ag_set_speaker_gain(acl_handle, 15); 341 break; 342 case 'q': 343 log_info("USER:\'%c\'", cmd); 344 printf("Set microphone gain to 0\n"); 345 hfp_ag_set_microphone_gain(acl_handle, 0); 346 break; 347 case 'Q': 348 log_info("USER:\'%c\'", cmd); 349 printf("Set microphone gain to 9\n"); 350 hfp_ag_set_microphone_gain(acl_handle, 9); 351 break; 352 case 's': 353 log_info("USER:\'%c\'", cmd); 354 printf("Set microphone gain to 12\n"); 355 hfp_ag_set_microphone_gain(acl_handle, 12); 356 break; 357 case 'S': 358 log_info("USER:\'%c\'", cmd); 359 printf("Set microphone gain to 15\n"); 360 hfp_ag_set_microphone_gain(acl_handle, 15); 361 break; 362 case 'R': 363 log_info("USER:\'%c\'", cmd); 364 printf("Enable in-band ring tone\n"); 365 hfp_ag_set_use_in_band_ring_tone(1); 366 break; 367 case 't': 368 log_info("USER:\'%c\'", cmd); 369 printf("Terminate HCI connection. 0x%2x\n", acl_handle); 370 gap_disconnect(acl_handle); 371 break; 372 case 'u': 373 log_info("USER:\'%c\'", cmd); 374 printf("Join held call\n"); 375 hfp_ag_join_held_call(); 376 break; 377 case 'v': 378 printf("Start scanning...\n"); 379 gap_inquiry_start(INQUIRY_INTERVAL); 380 break; 381 case 'w': 382 log_info("USER:\'%c\'", cmd); 383 printf("AG: Put incoming call on hold (Response and Hold)\n"); 384 hfp_ag_hold_incoming_call(); 385 break; 386 case 'x': 387 log_info("USER:\'%c\'", cmd); 388 printf("AG: Accept held incoming call (Response and Hold)\n"); 389 hfp_ag_accept_held_incoming_call(); 390 break; 391 case 'X': 392 log_info("USER:\'%c\'", cmd); 393 printf("AG: Reject held incoming call (Response and Hold)\n"); 394 hfp_ag_reject_held_incoming_call(); 395 break; 396 default: 397 show_usage(); 398 break; 399 } 400 } 401 #endif 402 403 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 404 UNUSED(channel); 405 bd_addr_t addr; 406 switch (packet_type){ 407 case HCI_EVENT_PACKET: 408 switch (event[0]){ 409 case GAP_EVENT_INQUIRY_RESULT: 410 gap_event_inquiry_result_get_bd_addr(event, addr); 411 // print info 412 printf("Device found: %s ", bd_addr_to_str(addr)); 413 printf("with COD: 0x%06x, ", (unsigned int) gap_event_inquiry_result_get_class_of_device(event)); 414 if (gap_event_inquiry_result_get_rssi_availabe(event)){ 415 printf(", rssi %d dBm", (int8_t) gap_event_inquiry_result_get_rssi(event)); 416 } 417 if (gap_event_inquiry_result_get_name_available(event)){ 418 char name_buffer[240]; 419 int name_len = gap_event_inquiry_result_get_name_len(event); 420 memcpy(name_buffer, gap_event_inquiry_result_get_name(event), name_len); 421 name_buffer[name_len] = 0; 422 printf(", name '%s'", name_buffer); 423 } 424 printf("\n"); 425 break; 426 case GAP_EVENT_INQUIRY_COMPLETE: 427 printf("Inquiry scan complete.\n"); 428 break; 429 case HCI_EVENT_SCO_CAN_SEND_NOW: 430 sco_demo_send(sco_handle); 431 break; 432 case HCI_EVENT_COMMAND_COMPLETE: 433 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 434 dump_supported_codecs(); 435 } 436 break; 437 default: 438 break; 439 } 440 441 if (event[0] != HCI_EVENT_HFP_META) return; 442 443 if (event[3] 444 && event[2] != HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER 445 && event[2] != HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG 446 && event[2] != HFP_SUBEVENT_TRANSMIT_DTMF_CODES){ 447 printf("ERROR, status: %u\n", event[3]); 448 return; 449 } 450 451 switch (event[2]) { 452 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 453 acl_handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 454 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 455 printf("Service level connection established from %s.\n", bd_addr_to_str(device_addr)); 456 dump_supported_codecs(); 457 break; 458 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 459 printf("Service level connection released.\n"); 460 sco_handle = 0; 461 break; 462 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 463 if (hfp_subevent_audio_connection_established_get_status(event)){ 464 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 465 sco_handle = 0; 466 } else { 467 sco_handle = hfp_subevent_audio_connection_established_get_handle(event); 468 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 469 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 470 switch (negotiated_codec){ 471 case 0x01: 472 printf("Using CVSD codec.\n"); 473 break; 474 case 0x02: 475 printf("Using mSBC codec.\n"); 476 break; 477 default: 478 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 479 break; 480 } 481 sco_demo_set_codec(negotiated_codec); 482 hci_request_sco_can_send_now_event(); 483 } 484 break; 485 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 486 printf("Audio connection released\n"); 487 sco_handle = 0; 488 sco_demo_close(); 489 break; 490 case HFP_SUBEVENT_START_RINGINIG: 491 printf("Start Ringing\n"); 492 break; 493 case HFP_SUBEVENT_STOP_RINGINIG: 494 printf("Stop Ringing\n"); 495 break; 496 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 497 printf("Outgoing call '%s'\n", hfp_subevent_place_call_with_number_get_number(event)); 498 // validate number 499 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 500 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 501 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 502 printf("Dialstring valid: accept call\n"); 503 hfp_ag_outgoing_call_accepted(); 504 } else { 505 printf("Dialstring invalid: reject call\n"); 506 hfp_ag_outgoing_call_rejected(); 507 } 508 break; 509 510 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 511 printf("Attach number to voice tag. Sending '1234567\n"); 512 hfp_ag_send_phone_number_for_voice_tag(acl_handle, "1234567"); 513 break; 514 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 515 printf("Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 516 hfp_ag_send_dtmf_code_done(acl_handle); 517 break; 518 case HFP_SUBEVENT_CALL_ANSWERED: 519 printf("Call answered by HF\n"); 520 break; 521 default: 522 printf("Event not handled %u\n", event[2]); 523 break; 524 } 525 case HCI_SCO_DATA_PACKET: 526 sco_demo_receive(event, event_size); 527 break; 528 default: 529 break; 530 } 531 } 532 533 static hfp_phone_number_t subscriber_number = { 534 129, "225577" 535 }; 536 537 /* @section Main Application Setup 538 * 539 * @text Listing MainConfiguration shows main application code. 540 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 541 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 542 * The stdin_process callback allows for sending commands to the HFP HF. 543 * At the end the Bluetooth stack is started. 544 */ 545 546 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 547 548 int btstack_main(int argc, const char * argv[]); 549 int btstack_main(int argc, const char * argv[]){ 550 (void)argc; 551 (void)argv; 552 553 sco_demo_init(); 554 555 // register for HCI events 556 hci_event_callback_registration.callback = &packet_handler; 557 hci_add_event_handler(&hci_event_callback_registration); 558 hci_register_sco_packet_handler(&packet_handler); 559 560 gap_discoverable_control(1); 561 562 // L2CAP 563 l2cap_init(); 564 565 uint16_t supported_features = 566 (1<<HFP_AGSF_ESCO_S4) | 567 (1<<HFP_AGSF_HF_INDICATORS) | 568 (1<<HFP_AGSF_CODEC_NEGOTIATION) | 569 (1<<HFP_AGSF_EXTENDED_ERROR_RESULT_CODES) | 570 (1<<HFP_AGSF_ENHANCED_CALL_CONTROL) | 571 (1<<HFP_AGSF_ENHANCED_CALL_STATUS) | 572 (1<<HFP_AGSF_ABILITY_TO_REJECT_A_CALL) | 573 (1<<HFP_AGSF_IN_BAND_RING_TONE) | 574 (1<<HFP_AGSF_VOICE_RECOGNITION_FUNCTION) | 575 (1<<HFP_AGSF_THREE_WAY_CALLING); 576 int wide_band_speech = 1; 577 578 // HFP 579 rfcomm_init(); 580 hfp_ag_init(rfcomm_channel_nr); 581 hfp_ag_init_supported_features(supported_features); 582 hfp_ag_init_codecs(sizeof(codecs), codecs); 583 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 584 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 585 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 586 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 587 hfp_ag_register_packet_handler(&packet_handler); 588 hci_register_sco_packet_handler(&packet_handler); 589 590 // SDP Server 591 sdp_init(); 592 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 593 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, supported_features, wide_band_speech); 594 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 595 sdp_register_service(hfp_service_buffer); 596 597 // parse humand readable Bluetooth address 598 sscanf_bd_addr(device_addr_string, device_addr); 599 600 #ifdef HAVE_BTSTACK_STDIN 601 btstack_stdin_setup(stdin_process); 602 #endif 603 // turn on! 604 hci_power_control(HCI_POWER_ON); 605 return 0; 606 } 607 /* LISTING_END */ 608 /* EXAMPLE_END */ 609