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