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 * hfp_ag_demo.c 40 */ 41 42 // ***************************************************************************** 43 /* EXAMPLE_START(hfp_ag_demo): HFP Audio Gateway (AG) Demo 44 * 45 * @text This HFP Audio Gateway example demonstrates how to receive 46 * an output from a remote HFP Hands-Free (HF) unit, and, 47 * if HAVE_POSIX_STDIN is defined, how to control the HFP HF. 48 */ 49 // ***************************************************************************** 50 51 52 #include <stdint.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 #include "btstack.h" 59 #ifdef HAVE_POSIX_STDIN 60 #include "stdin_support.h" 61 #endif 62 63 64 uint8_t hfp_service_buffer[150]; 65 const uint8_t rfcomm_channel_nr = 1; 66 const char hfp_ag_service_name[] = "BTstack HFP AG Test"; 67 68 static bd_addr_t device_addr = {0x00,0x15,0x83,0x5F,0x9D,0x46}; 69 70 static uint8_t codecs[1] = {HFP_CODEC_CVSD}; 71 static uint16_t handle = -1; 72 static int memory_1_enabled = 1; 73 74 static int ag_indicators_nr = 7; 75 static hfp_ag_indicator_t ag_indicators[] = { 76 // index, name, min range, max range, status, mandatory, enabled, status changed 77 {1, "service", 0, 1, 1, 0, 0, 0}, 78 {2, "call", 0, 1, 0, 1, 1, 0}, 79 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 80 {4, "battchg", 0, 5, 3, 0, 0, 0}, 81 {5, "signal", 0, 5, 5, 0, 1, 0}, 82 {6, "roam", 0, 1, 0, 0, 1, 0}, 83 {7, "callheld", 0, 2, 0, 1, 1, 0} 84 }; 85 86 static int call_hold_services_nr = 5; 87 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 88 89 static int hf_indicators_nr = 2; 90 static hfp_generic_status_indicator_t hf_indicators[] = { 91 {1, 1}, 92 {2, 1}, 93 }; 94 95 char cmd; 96 97 // GAP INQUIRY 98 99 #define MAX_DEVICES 10 100 enum DEVICE_STATE { REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, REMOTE_NAME_FETCHED }; 101 struct device { 102 bd_addr_t address; 103 uint16_t clockOffset; 104 uint32_t classOfDevice; 105 uint8_t pageScanRepetitionMode; 106 uint8_t rssi; 107 enum DEVICE_STATE state; 108 }; 109 110 #define INQUIRY_INTERVAL 5 111 struct device devices[MAX_DEVICES]; 112 int deviceCount = 0; 113 114 115 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 116 enum STATE state = INIT; 117 118 119 static int getDeviceIndexForAddress( bd_addr_t addr){ 120 int j; 121 for (j=0; j< deviceCount; j++){ 122 if (bd_addr_cmp(addr, devices[j].address) == 0){ 123 return j; 124 } 125 } 126 return -1; 127 } 128 129 #ifdef HAVE_POSIX_STDIN 130 static void start_scan(void){ 131 printf("Starting inquiry scan..\n"); 132 hci_send_cmd(&hci_inquiry, HCI_INQUIRY_LAP, INQUIRY_INTERVAL, 0); 133 } 134 #endif 135 136 static int has_more_remote_name_requests(void){ 137 int i; 138 for (i=0;i<deviceCount;i++) { 139 if (devices[i].state == REMOTE_NAME_REQUEST) return 1; 140 } 141 return 0; 142 } 143 144 static void do_next_remote_name_request(void){ 145 int i; 146 for (i=0;i<deviceCount;i++) { 147 // remote name request 148 if (devices[i].state == REMOTE_NAME_REQUEST){ 149 devices[i].state = REMOTE_NAME_INQUIRED; 150 printf("Get remote name of %s...\n", bd_addr_to_str(devices[i].address)); 151 hci_send_cmd(&hci_remote_name_request, devices[i].address, 152 devices[i].pageScanRepetitionMode, 0, devices[i].clockOffset | 0x8000); 153 return; 154 } 155 } 156 } 157 158 static void continue_remote_names(void){ 159 // don't get remote names for testing 160 if (has_more_remote_name_requests()){ 161 do_next_remote_name_request(); 162 return; 163 } 164 // try to find PTS 165 int i; 166 for (i=0;i<deviceCount;i++){ 167 if (memcmp(devices[i].address, device_addr, 6) == 0){ 168 printf("Inquiry scan over, successfully found PTS at index %u\nReady to connect to it.\n", i); 169 return; 170 } 171 } 172 printf("Inquiry scan over but PTS not found :(\n"); 173 } 174 175 static void inquiry_packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){ 176 bd_addr_t addr; 177 int i; 178 int numResponses; 179 int index; 180 181 // printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]); 182 if (packet_type != HCI_EVENT_PACKET) return; 183 184 uint8_t event = packet[0]; 185 186 switch(event){ 187 case HCI_EVENT_INQUIRY_RESULT: 188 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{ 189 numResponses = hci_event_inquiry_result_get_num_responses(packet); 190 int offset = 3; 191 for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){ 192 reverse_bd_addr(addr, &packet[offset]); 193 offset += 6; 194 index = getDeviceIndexForAddress(addr); 195 if (index >= 0) continue; // already in our list 196 memcpy(devices[deviceCount].address, addr, 6); 197 198 devices[deviceCount].pageScanRepetitionMode = packet[offset]; 199 offset += 1; 200 201 if (event == HCI_EVENT_INQUIRY_RESULT){ 202 offset += 2; // Reserved + Reserved 203 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 204 offset += 3; 205 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 206 offset += 2; 207 devices[deviceCount].rssi = 0; 208 } else { 209 offset += 1; // Reserved 210 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 211 offset += 3; 212 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 213 offset += 2; 214 devices[deviceCount].rssi = packet[offset]; 215 offset += 1; 216 } 217 devices[deviceCount].state = REMOTE_NAME_REQUEST; 218 printf("Device #%u found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", 219 deviceCount, bd_addr_to_str(addr), 220 devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode, 221 devices[deviceCount].clockOffset, devices[deviceCount].rssi); 222 deviceCount++; 223 } 224 225 break; 226 } 227 case HCI_EVENT_INQUIRY_COMPLETE: 228 for (i=0;i<deviceCount;i++) { 229 // retry remote name request 230 if (devices[i].state == REMOTE_NAME_INQUIRED) 231 devices[i].state = REMOTE_NAME_REQUEST; 232 } 233 continue_remote_names(); 234 break; 235 236 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 237 reverse_bd_addr(addr, &packet[3]); 238 index = getDeviceIndexForAddress(addr); 239 if (index >= 0) { 240 if (packet[2] == 0) { 241 printf("Name: '%s'\n", &packet[9]); 242 devices[index].state = REMOTE_NAME_FETCHED; 243 } else { 244 printf("Failed to get name: page timeout\n"); 245 } 246 } 247 continue_remote_names(); 248 break; 249 250 default: 251 break; 252 } 253 } 254 // GAP INQUIRY END 255 #ifdef HAVE_POSIX_STDIN 256 257 // prototypes 258 static void show_usage(void); 259 260 // Testig User Interface 261 static void show_usage(void){ 262 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console ---\n"); 263 printf("---\n"); 264 265 printf("a - establish HFP connection to PTS module\n"); 266 // printf("A - release HFP connection to PTS module\n"); 267 268 printf("b - establish AUDIO connection\n"); 269 printf("B - release AUDIO connection\n"); 270 271 printf("c - simulate incoming call from 1234567\n"); 272 printf("C - simulate call from 1234567 dropped\n"); 273 274 printf("d - report AG failure\n"); 275 276 printf("e - answer call on AG\n"); 277 printf("E - reject call on AG\n"); 278 279 printf("r - disable in-band ring tone\n"); 280 printf("R - enable in-band ring tone\n"); 281 282 printf("f - Disable cellular network\n"); 283 printf("F - Enable cellular network\n"); 284 285 printf("g - Set signal strength to 0\n"); 286 printf("G - Set signal strength to 5\n"); 287 288 printf("h - Disable roaming\n"); 289 printf("H - Enable roaming\n"); 290 291 printf("i - Set battery level to 3\n"); 292 printf("I - Set battery level to 5\n"); 293 294 printf("j - Answering call on remote side\n"); 295 296 printf("k - Clear memory #1\n"); 297 printf("K - Set memory #1\n"); 298 299 printf("l - Clear last number\n"); 300 printf("L - Set last number\n"); 301 302 printf("m - simulate incoming call from 7654321\n"); 303 // printf("M - simulate call from 7654321 dropped\n"); 304 305 printf("n - Disable Voice Regocnition\n"); 306 printf("N - Enable Voice Recognition\n"); 307 308 printf("o - Set speaker volume to 0 (minimum)\n"); 309 printf("O - Set speaker volume to 9 (default)\n"); 310 printf("p - Set speaker volume to 12 (higher)\n"); 311 printf("P - Set speaker volume to 15 (maximum)\n"); 312 313 printf("q - Set microphone gain to 0 (minimum)\n"); 314 printf("Q - Set microphone gain to 9 (default)\n"); 315 printf("s - Set microphone gain to 12 (higher)\n"); 316 printf("S - Set microphone gain to 15 (maximum)\n"); 317 318 printf("t - terminate connection\n"); 319 printf("u - join held call\n"); 320 printf("v - discover nearby HF units\n"); 321 printf("w - put incoming call on hold (Response and Hold)\n"); 322 printf("x - accept held incoming call (Response and Hold)\n"); 323 printf("X - reject held incoming call (Response and Hold)\n"); 324 325 printf("---\n"); 326 printf("Ctrl-c - exit\n"); 327 printf("---\n"); 328 } 329 330 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 331 read(ds->fd, &cmd, 1); 332 switch (cmd){ 333 case 'a': 334 log_info("USER:\'%c\'", cmd); 335 printf("Establish HFP service level connection to PTS module %s...\n", bd_addr_to_str(device_addr)); 336 hfp_ag_establish_service_level_connection(device_addr); 337 break; 338 case 'A': 339 log_info("USER:\'%c\'", cmd); 340 printf("Release HFP service level connection.\n"); 341 hfp_ag_release_service_level_connection(device_addr); 342 break; 343 case 'Z': 344 log_info("USER:\'%c\'", cmd); 345 printf("Release HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 346 hfp_ag_release_service_level_connection(device_addr); 347 break; 348 case 'b': 349 log_info("USER:\'%c\'", cmd); 350 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 351 hfp_ag_establish_audio_connection(device_addr); 352 break; 353 case 'B': 354 log_info("USER:\'%c\'", cmd); 355 printf("Release Audio connection.\n"); 356 hfp_ag_release_audio_connection(device_addr); 357 break; 358 case 'c': 359 log_info("USER:\'%c\'", cmd); 360 printf("Simulate incoming call from 1234567\n"); 361 hfp_ag_set_clip(129, "1234567"); 362 hfp_ag_incoming_call(); 363 break; 364 case 'm': 365 log_info("USER:\'%c\'", cmd); 366 printf("Simulate incoming call from 7654321\n"); 367 hfp_ag_set_clip(129, "7654321"); 368 hfp_ag_incoming_call(); 369 break; 370 case 'C': 371 log_info("USER:\'%c\'", cmd); 372 printf("Simulate terminate call\n"); 373 hfp_ag_call_dropped(); 374 break; 375 case 'd': 376 log_info("USER:\'%c\'", cmd); 377 printf("Report AG failure\n"); 378 hfp_ag_report_extended_audio_gateway_error_result_code(device_addr, HFP_CME_ERROR_AG_FAILURE); 379 break; 380 case 'e': 381 log_info("USER:\'%c\'", cmd); 382 printf("Answer call on AG\n"); 383 hfp_ag_answer_incoming_call(); 384 break; 385 case 'E': 386 log_info("USER:\'%c\'", cmd); 387 printf("Reject call on AG\n"); 388 hfp_ag_terminate_call(); 389 break; 390 case 'f': 391 log_info("USER:\'%c\'", cmd); 392 printf("Disable cellular network\n"); 393 hfp_ag_set_registration_status(0); 394 break; 395 case 'F': 396 log_info("USER:\'%c\'", cmd); 397 printf("Enable cellular network\n"); 398 hfp_ag_set_registration_status(1); 399 break; 400 case 'g': 401 log_info("USER:\'%c\'", cmd); 402 printf("Set signal strength to 0\n"); 403 hfp_ag_set_signal_strength(0); 404 break; 405 case 'G': 406 log_info("USER:\'%c\'", cmd); 407 printf("Set signal strength to 5\n"); 408 hfp_ag_set_signal_strength(5); 409 break; 410 case 'h': 411 log_info("USER:\'%c\'", cmd); 412 printf("Disable roaming\n"); 413 hfp_ag_set_roaming_status(0); 414 break; 415 case 'H': 416 log_info("USER:\'%c\'", cmd); 417 printf("Enable roaming\n"); 418 hfp_ag_set_roaming_status(1); 419 break; 420 case 'i': 421 log_info("USER:\'%c\'", cmd); 422 printf("Set battery level to 3\n"); 423 hfp_ag_set_battery_level(3); 424 break; 425 case 'I': 426 log_info("USER:\'%c\'", cmd); 427 printf("Set battery level to 5\n"); 428 hfp_ag_set_battery_level(5); 429 break; 430 case 'j': 431 log_info("USER:\'%c\'", cmd); 432 printf("Answering call on remote side\n"); 433 hfp_ag_outgoing_call_established(); 434 break; 435 case 'r': 436 log_info("USER:\'%c\'", cmd); 437 printf("Disable in-band ring tone\n"); 438 hfp_ag_set_use_in_band_ring_tone(0); 439 break; 440 case 'k': 441 log_info("USER:\'%c\'", cmd); 442 printf("Memory 1 cleared\n"); 443 memory_1_enabled = 0; 444 break; 445 case 'K': 446 log_info("USER:\'%c\'", cmd); 447 printf("Memory 1 set\n"); 448 memory_1_enabled = 1; 449 break; 450 case 'l': 451 log_info("USER:\'%c\'", cmd); 452 printf("Last dialed number cleared\n"); 453 hfp_ag_clear_last_dialed_number(); 454 break; 455 case 'L': 456 log_info("USER:\'%c\'", cmd); 457 printf("Outgoing call connected, ringing\n"); 458 hfp_ag_outgoing_call_ringing(); 459 break; 460 case 'n': 461 log_info("USER:\'%c\'", cmd); 462 printf("Disable Voice Recognition\n"); 463 hfp_ag_activate_voice_recognition(device_addr, 0); 464 break; 465 case 'N': 466 log_info("USER:\'%c\'", cmd); 467 printf("Enable Voice Recognition\n"); 468 hfp_ag_activate_voice_recognition(device_addr, 1); 469 break; 470 case 'o': 471 log_info("USER:\'%c\'", cmd); 472 printf("Set speaker gain to 0 (minimum)\n"); 473 hfp_ag_set_speaker_gain(device_addr, 0); 474 break; 475 case 'O': 476 log_info("USER:\'%c\'", cmd); 477 printf("Set speaker gain to 9 (default)\n"); 478 hfp_ag_set_speaker_gain(device_addr, 9); 479 break; 480 case 'p': 481 log_info("USER:\'%c\'", cmd); 482 printf("Set speaker gain to 12 (higher)\n"); 483 hfp_ag_set_speaker_gain(device_addr, 12); 484 break; 485 case 'P': 486 log_info("USER:\'%c\'", cmd); 487 printf("Set speaker gain to 15 (maximum)\n"); 488 hfp_ag_set_speaker_gain(device_addr, 15); 489 break; 490 case 'q': 491 log_info("USER:\'%c\'", cmd); 492 printf("Set microphone gain to 0\n"); 493 hfp_ag_set_microphone_gain(device_addr, 0); 494 break; 495 case 'Q': 496 log_info("USER:\'%c\'", cmd); 497 printf("Set microphone gain to 9\n"); 498 hfp_ag_set_microphone_gain(device_addr, 9); 499 break; 500 case 's': 501 log_info("USER:\'%c\'", cmd); 502 printf("Set microphone gain to 12\n"); 503 hfp_ag_set_microphone_gain(device_addr, 12); 504 break; 505 case 'S': 506 log_info("USER:\'%c\'", cmd); 507 printf("Set microphone gain to 15\n"); 508 hfp_ag_set_microphone_gain(device_addr, 15); 509 break; 510 case 'R': 511 log_info("USER:\'%c\'", cmd); 512 printf("Enable in-band ring tone\n"); 513 hfp_ag_set_use_in_band_ring_tone(1); 514 break; 515 case 't': 516 log_info("USER:\'%c\'", cmd); 517 printf("Terminate HCI connection.\n"); 518 gap_disconnect(handle); 519 break; 520 case 'u': 521 log_info("USER:\'%c\'", cmd); 522 printf("Join held call\n"); 523 hfp_ag_join_held_call(); 524 break; 525 case 'v': 526 start_scan(); 527 break; 528 case 'w': 529 log_info("USER:\'%c\'", cmd); 530 printf("AG: Put incoming call on hold (Response and Hold)\n"); 531 hfp_ag_hold_incoming_call(); 532 break; 533 case 'x': 534 log_info("USER:\'%c\'", cmd); 535 printf("AG: Accept held incoming call (Response and Hold)\n"); 536 hfp_ag_accept_held_incoming_call(); 537 break; 538 case 'X': 539 log_info("USER:\'%c\'", cmd); 540 printf("AG: Reject held incoming call (Response and Hold)\n"); 541 hfp_ag_reject_held_incoming_call(); 542 break; 543 default: 544 show_usage(); 545 break; 546 } 547 } 548 #endif 549 550 static void packet_handler(uint8_t * event, uint16_t event_size){ 551 switch (event[0]){ 552 case HCI_EVENT_INQUIRY_RESULT: 553 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI: 554 case HCI_EVENT_INQUIRY_COMPLETE: 555 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 556 inquiry_packet_handler(HCI_EVENT_PACKET, event, event_size); 557 break; 558 559 default: 560 break; 561 } 562 563 564 if (event[0] != HCI_EVENT_HFP_META) return; 565 566 if (event[3] 567 && event[2] != HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER 568 && event[2] != HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG 569 && event[2] != HFP_SUBEVENT_TRANSMIT_DTMF_CODES){ 570 printf("ERROR, status: %u\n", event[3]); 571 return; 572 } 573 574 switch (event[2]) { 575 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 576 handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 577 printf("Service level connection established.\n"); 578 break; 579 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 580 printf("Service level connection released.\n"); 581 break; 582 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 583 printf("\n** Audio connection established **\n"); 584 break; 585 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 586 printf("\n** Audio connection released **\n"); 587 break; 588 case HFP_SUBEVENT_START_RINGINIG: 589 printf("\n** Start Ringing **\n"); 590 break; 591 case HFP_SUBEVENT_STOP_RINGINIG: 592 printf("\n** Stop Ringing **\n"); 593 break; 594 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 595 printf("\n** Outgoing call '%s' **\n", hfp_subevent_place_call_with_number_get_number(event)); 596 // validate number 597 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 598 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 599 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 600 printf("Dialstring valid: accept call\n"); 601 hfp_ag_outgoing_call_accepted(); 602 } else { 603 printf("Dialstring invalid: reject call\n"); 604 hfp_ag_outgoing_call_rejected(); 605 } 606 break; 607 608 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 609 printf("\n** Attach number to voice tag. Sending '1234567\n"); 610 hfp_ag_send_phone_number_for_voice_tag(device_addr, "1234567"); 611 break; 612 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 613 printf("\n** Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 614 hfp_ag_send_dtmf_code_done(device_addr); 615 break; 616 case HFP_SUBEVENT_CALL_ANSWERED: 617 printf("Call answered by HF\n"); 618 break; 619 default: 620 printf("Event not handled %u\n", event[2]); 621 break; 622 } 623 } 624 625 static hfp_phone_number_t subscriber_number = { 626 129, "225577" 627 }; 628 629 /* @section Main Application Setup 630 * 631 * @text Listing MainConfiguration shows main application code. 632 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 633 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 634 * The stdin_process callback allows for sending commands to the HFP HF. 635 * At the end the Bluetooth stack is started. 636 */ 637 638 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 639 640 int btstack_main(int argc, const char * argv[]); 641 int btstack_main(int argc, const char * argv[]){ 642 // HFP HS address is hardcoded, please change it 643 // init L2CAP 644 l2cap_init(); 645 rfcomm_init(); 646 sdp_init(); 647 648 hfp_ag_init(rfcomm_channel_nr); 649 hfp_ag_init_supported_features(0x3ef | (1<<HFP_AGSF_HF_INDICATORS) | (1<<HFP_AGSF_ESCO_S4)); 650 hfp_ag_init_codecs(sizeof(codecs), codecs); 651 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 652 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 653 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 654 655 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 656 hfp_ag_register_packet_handler(packet_handler); 657 658 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 659 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, 0); 660 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 661 sdp_register_service(hfp_service_buffer); 662 663 #ifdef HAVE_POSIX_STDIN 664 btstack_stdin_setup(stdin_process); 665 #endif 666 // turn on! 667 hci_power_control(HCI_POWER_ON); 668 return 0; 669 } 670 /* LISTING_END */ 671 /* EXAMPLE_END */ 672