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 // PTS 69 // static bd_addr_t device_addr = {0x00,0x15,0x83,0x5F,0x9D,0x46}; 70 // BT-201 71 static bd_addr_t device_addr = {0x00, 0x07, 0xB0, 0x83, 0x02, 0x5E}; 72 73 static uint8_t codecs[1] = {HFP_CODEC_CVSD}; 74 static uint16_t handle = -1; 75 static int memory_1_enabled = 1; 76 77 static int ag_indicators_nr = 7; 78 static hfp_ag_indicator_t ag_indicators[] = { 79 // index, name, min range, max range, status, mandatory, enabled, status changed 80 {1, "service", 0, 1, 1, 0, 0, 0}, 81 {2, "call", 0, 1, 0, 1, 1, 0}, 82 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 83 {4, "battchg", 0, 5, 3, 0, 0, 0}, 84 {5, "signal", 0, 5, 5, 0, 1, 0}, 85 {6, "roam", 0, 1, 0, 0, 1, 0}, 86 {7, "callheld", 0, 2, 0, 1, 1, 0} 87 }; 88 89 static int call_hold_services_nr = 5; 90 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 91 92 static int hf_indicators_nr = 2; 93 static hfp_generic_status_indicator_t hf_indicators[] = { 94 {1, 1}, 95 {2, 1}, 96 }; 97 98 char cmd; 99 100 // GAP INQUIRY 101 102 #define MAX_DEVICES 10 103 enum DEVICE_STATE { REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, REMOTE_NAME_FETCHED }; 104 struct device { 105 bd_addr_t address; 106 uint16_t clockOffset; 107 uint32_t classOfDevice; 108 uint8_t pageScanRepetitionMode; 109 uint8_t rssi; 110 enum DEVICE_STATE state; 111 }; 112 113 #define INQUIRY_INTERVAL 5 114 struct device devices[MAX_DEVICES]; 115 int deviceCount = 0; 116 117 118 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 119 enum STATE state = INIT; 120 121 122 static int getDeviceIndexForAddress( bd_addr_t addr){ 123 int j; 124 for (j=0; j< deviceCount; j++){ 125 if (bd_addr_cmp(addr, devices[j].address) == 0){ 126 return j; 127 } 128 } 129 return -1; 130 } 131 132 #ifdef HAVE_POSIX_STDIN 133 static void start_scan(void){ 134 printf("Starting inquiry scan..\n"); 135 hci_send_cmd(&hci_inquiry, HCI_INQUIRY_LAP, INQUIRY_INTERVAL, 0); 136 } 137 #endif 138 139 static int has_more_remote_name_requests(void){ 140 int i; 141 for (i=0;i<deviceCount;i++) { 142 if (devices[i].state == REMOTE_NAME_REQUEST) return 1; 143 } 144 return 0; 145 } 146 147 static void do_next_remote_name_request(void){ 148 int i; 149 for (i=0;i<deviceCount;i++) { 150 // remote name request 151 if (devices[i].state == REMOTE_NAME_REQUEST){ 152 devices[i].state = REMOTE_NAME_INQUIRED; 153 printf("Get remote name of %s...\n", bd_addr_to_str(devices[i].address)); 154 hci_send_cmd(&hci_remote_name_request, devices[i].address, 155 devices[i].pageScanRepetitionMode, 0, devices[i].clockOffset | 0x8000); 156 return; 157 } 158 } 159 } 160 161 static void continue_remote_names(void){ 162 // don't get remote names for testing 163 if (has_more_remote_name_requests()){ 164 do_next_remote_name_request(); 165 return; 166 } 167 // try to find PTS 168 int i; 169 for (i=0;i<deviceCount;i++){ 170 if (memcmp(devices[i].address, device_addr, 6) == 0){ 171 printf("Inquiry scan over, successfully found PTS at index %u\nReady to connect to it.\n", i); 172 return; 173 } 174 } 175 printf("Inquiry scan over but PTS not found :(\n"); 176 } 177 178 static void inquiry_packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){ 179 bd_addr_t addr; 180 int i; 181 int numResponses; 182 int index; 183 184 // printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]); 185 if (packet_type != HCI_EVENT_PACKET) return; 186 187 uint8_t event = packet[0]; 188 189 switch(event){ 190 case HCI_EVENT_INQUIRY_RESULT: 191 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{ 192 numResponses = hci_event_inquiry_result_get_num_responses(packet); 193 int offset = 3; 194 for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){ 195 reverse_bd_addr(&packet[offset], addr); 196 offset += 6; 197 index = getDeviceIndexForAddress(addr); 198 if (index >= 0) continue; // already in our list 199 memcpy(devices[deviceCount].address, addr, 6); 200 201 devices[deviceCount].pageScanRepetitionMode = packet[offset]; 202 offset += 1; 203 204 if (event == HCI_EVENT_INQUIRY_RESULT){ 205 offset += 2; // Reserved + Reserved 206 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 207 offset += 3; 208 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 209 offset += 2; 210 devices[deviceCount].rssi = 0; 211 } else { 212 offset += 1; // Reserved 213 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 214 offset += 3; 215 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 216 offset += 2; 217 devices[deviceCount].rssi = packet[offset]; 218 offset += 1; 219 } 220 devices[deviceCount].state = REMOTE_NAME_REQUEST; 221 printf("Device #%u found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", 222 deviceCount, bd_addr_to_str(addr), 223 devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode, 224 devices[deviceCount].clockOffset, devices[deviceCount].rssi); 225 deviceCount++; 226 } 227 228 break; 229 } 230 case HCI_EVENT_INQUIRY_COMPLETE: 231 for (i=0;i<deviceCount;i++) { 232 // retry remote name request 233 if (devices[i].state == REMOTE_NAME_INQUIRED) 234 devices[i].state = REMOTE_NAME_REQUEST; 235 } 236 continue_remote_names(); 237 break; 238 239 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 240 reverse_bd_addr(&packet[3], addr); 241 index = getDeviceIndexForAddress(addr); 242 if (index >= 0) { 243 if (packet[2] == 0) { 244 printf("Name: '%s'\n", &packet[9]); 245 devices[index].state = REMOTE_NAME_FETCHED; 246 } else { 247 printf("Failed to get name: page timeout\n"); 248 } 249 } 250 continue_remote_names(); 251 break; 252 253 default: 254 break; 255 } 256 } 257 // GAP INQUIRY END 258 #ifdef HAVE_POSIX_STDIN 259 260 // prototypes 261 static void show_usage(void); 262 263 // Testig User Interface 264 static void show_usage(void){ 265 bd_addr_t iut_address; 266 gap_local_bd_addr(iut_address); 267 268 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 269 printf("---\n"); 270 271 printf("a - establish HFP connection to PTS module\n"); 272 // printf("A - release HFP connection to PTS module\n"); 273 274 printf("b - establish AUDIO connection\n"); 275 printf("B - release AUDIO connection\n"); 276 277 printf("c - simulate incoming call from 1234567\n"); 278 printf("C - simulate call from 1234567 dropped\n"); 279 280 printf("d - report AG failure\n"); 281 282 printf("e - answer call on AG\n"); 283 printf("E - reject call on AG\n"); 284 285 printf("r - disable in-band ring tone\n"); 286 printf("R - enable in-band ring tone\n"); 287 288 printf("f - Disable cellular network\n"); 289 printf("F - Enable cellular network\n"); 290 291 printf("g - Set signal strength to 0\n"); 292 printf("G - Set signal strength to 5\n"); 293 294 printf("h - Disable roaming\n"); 295 printf("H - Enable roaming\n"); 296 297 printf("i - Set battery level to 3\n"); 298 printf("I - Set battery level to 5\n"); 299 300 printf("j - Answering call on remote side\n"); 301 302 printf("k - Clear memory #1\n"); 303 printf("K - Set memory #1\n"); 304 305 printf("l - Clear last number\n"); 306 printf("L - Set last number\n"); 307 308 printf("m - simulate incoming call from 7654321\n"); 309 // printf("M - simulate call from 7654321 dropped\n"); 310 311 printf("n - Disable Voice Regocnition\n"); 312 printf("N - Enable Voice Recognition\n"); 313 314 printf("o - Set speaker volume to 0 (minimum)\n"); 315 printf("O - Set speaker volume to 9 (default)\n"); 316 printf("p - Set speaker volume to 12 (higher)\n"); 317 printf("P - Set speaker volume to 15 (maximum)\n"); 318 319 printf("q - Set microphone gain to 0 (minimum)\n"); 320 printf("Q - Set microphone gain to 9 (default)\n"); 321 printf("s - Set microphone gain to 12 (higher)\n"); 322 printf("S - Set microphone gain to 15 (maximum)\n"); 323 324 printf("t - terminate connection\n"); 325 printf("u - join held call\n"); 326 printf("v - discover nearby HF units\n"); 327 printf("w - put incoming call on hold (Response and Hold)\n"); 328 printf("x - accept held incoming call (Response and Hold)\n"); 329 printf("X - reject held incoming call (Response and Hold)\n"); 330 331 printf("---\n"); 332 printf("Ctrl-c - exit\n"); 333 printf("---\n"); 334 } 335 336 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 337 read(ds->fd, &cmd, 1); 338 switch (cmd){ 339 case 'a': 340 log_info("USER:\'%c\'", cmd); 341 printf("Establish HFP service level connection to PTS module %s...\n", bd_addr_to_str(device_addr)); 342 hfp_ag_establish_service_level_connection(device_addr); 343 break; 344 case 'A': 345 log_info("USER:\'%c\'", cmd); 346 printf("Release HFP service level connection.\n"); 347 hfp_ag_release_service_level_connection(device_addr); 348 break; 349 case 'Z': 350 log_info("USER:\'%c\'", cmd); 351 printf("Release HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 352 hfp_ag_release_service_level_connection(device_addr); 353 break; 354 case 'b': 355 log_info("USER:\'%c\'", cmd); 356 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 357 hfp_ag_establish_audio_connection(device_addr); 358 break; 359 case 'B': 360 log_info("USER:\'%c\'", cmd); 361 printf("Release Audio connection.\n"); 362 hfp_ag_release_audio_connection(device_addr); 363 break; 364 case 'c': 365 log_info("USER:\'%c\'", cmd); 366 printf("Simulate incoming call from 1234567\n"); 367 hfp_ag_set_clip(129, "1234567"); 368 hfp_ag_incoming_call(); 369 break; 370 case 'm': 371 log_info("USER:\'%c\'", cmd); 372 printf("Simulate incoming call from 7654321\n"); 373 hfp_ag_set_clip(129, "7654321"); 374 hfp_ag_incoming_call(); 375 break; 376 case 'C': 377 log_info("USER:\'%c\'", cmd); 378 printf("Simulate terminate call\n"); 379 hfp_ag_call_dropped(); 380 break; 381 case 'd': 382 log_info("USER:\'%c\'", cmd); 383 printf("Report AG failure\n"); 384 hfp_ag_report_extended_audio_gateway_error_result_code(device_addr, HFP_CME_ERROR_AG_FAILURE); 385 break; 386 case 'e': 387 log_info("USER:\'%c\'", cmd); 388 printf("Answer call on AG\n"); 389 hfp_ag_answer_incoming_call(); 390 break; 391 case 'E': 392 log_info("USER:\'%c\'", cmd); 393 printf("Reject call on AG\n"); 394 hfp_ag_terminate_call(); 395 break; 396 case 'f': 397 log_info("USER:\'%c\'", cmd); 398 printf("Disable cellular network\n"); 399 hfp_ag_set_registration_status(0); 400 break; 401 case 'F': 402 log_info("USER:\'%c\'", cmd); 403 printf("Enable cellular network\n"); 404 hfp_ag_set_registration_status(1); 405 break; 406 case 'g': 407 log_info("USER:\'%c\'", cmd); 408 printf("Set signal strength to 0\n"); 409 hfp_ag_set_signal_strength(0); 410 break; 411 case 'G': 412 log_info("USER:\'%c\'", cmd); 413 printf("Set signal strength to 5\n"); 414 hfp_ag_set_signal_strength(5); 415 break; 416 case 'h': 417 log_info("USER:\'%c\'", cmd); 418 printf("Disable roaming\n"); 419 hfp_ag_set_roaming_status(0); 420 break; 421 case 'H': 422 log_info("USER:\'%c\'", cmd); 423 printf("Enable roaming\n"); 424 hfp_ag_set_roaming_status(1); 425 break; 426 case 'i': 427 log_info("USER:\'%c\'", cmd); 428 printf("Set battery level to 3\n"); 429 hfp_ag_set_battery_level(3); 430 break; 431 case 'I': 432 log_info("USER:\'%c\'", cmd); 433 printf("Set battery level to 5\n"); 434 hfp_ag_set_battery_level(5); 435 break; 436 case 'j': 437 log_info("USER:\'%c\'", cmd); 438 printf("Answering call on remote side\n"); 439 hfp_ag_outgoing_call_established(); 440 break; 441 case 'r': 442 log_info("USER:\'%c\'", cmd); 443 printf("Disable in-band ring tone\n"); 444 hfp_ag_set_use_in_band_ring_tone(0); 445 break; 446 case 'k': 447 log_info("USER:\'%c\'", cmd); 448 printf("Memory 1 cleared\n"); 449 memory_1_enabled = 0; 450 break; 451 case 'K': 452 log_info("USER:\'%c\'", cmd); 453 printf("Memory 1 set\n"); 454 memory_1_enabled = 1; 455 break; 456 case 'l': 457 log_info("USER:\'%c\'", cmd); 458 printf("Last dialed number cleared\n"); 459 hfp_ag_clear_last_dialed_number(); 460 break; 461 case 'L': 462 log_info("USER:\'%c\'", cmd); 463 printf("Outgoing call connected, ringing\n"); 464 hfp_ag_outgoing_call_ringing(); 465 break; 466 case 'n': 467 log_info("USER:\'%c\'", cmd); 468 printf("Disable Voice Recognition\n"); 469 hfp_ag_activate_voice_recognition(device_addr, 0); 470 break; 471 case 'N': 472 log_info("USER:\'%c\'", cmd); 473 printf("Enable Voice Recognition\n"); 474 hfp_ag_activate_voice_recognition(device_addr, 1); 475 break; 476 case 'o': 477 log_info("USER:\'%c\'", cmd); 478 printf("Set speaker gain to 0 (minimum)\n"); 479 hfp_ag_set_speaker_gain(device_addr, 0); 480 break; 481 case 'O': 482 log_info("USER:\'%c\'", cmd); 483 printf("Set speaker gain to 9 (default)\n"); 484 hfp_ag_set_speaker_gain(device_addr, 9); 485 break; 486 case 'p': 487 log_info("USER:\'%c\'", cmd); 488 printf("Set speaker gain to 12 (higher)\n"); 489 hfp_ag_set_speaker_gain(device_addr, 12); 490 break; 491 case 'P': 492 log_info("USER:\'%c\'", cmd); 493 printf("Set speaker gain to 15 (maximum)\n"); 494 hfp_ag_set_speaker_gain(device_addr, 15); 495 break; 496 case 'q': 497 log_info("USER:\'%c\'", cmd); 498 printf("Set microphone gain to 0\n"); 499 hfp_ag_set_microphone_gain(device_addr, 0); 500 break; 501 case 'Q': 502 log_info("USER:\'%c\'", cmd); 503 printf("Set microphone gain to 9\n"); 504 hfp_ag_set_microphone_gain(device_addr, 9); 505 break; 506 case 's': 507 log_info("USER:\'%c\'", cmd); 508 printf("Set microphone gain to 12\n"); 509 hfp_ag_set_microphone_gain(device_addr, 12); 510 break; 511 case 'S': 512 log_info("USER:\'%c\'", cmd); 513 printf("Set microphone gain to 15\n"); 514 hfp_ag_set_microphone_gain(device_addr, 15); 515 break; 516 case 'R': 517 log_info("USER:\'%c\'", cmd); 518 printf("Enable in-band ring tone\n"); 519 hfp_ag_set_use_in_band_ring_tone(1); 520 break; 521 case 't': 522 log_info("USER:\'%c\'", cmd); 523 printf("Terminate HCI connection. 0x%2x\n", handle); 524 gap_disconnect(handle); 525 break; 526 case 'u': 527 log_info("USER:\'%c\'", cmd); 528 printf("Join held call\n"); 529 hfp_ag_join_held_call(); 530 break; 531 case 'v': 532 start_scan(); 533 break; 534 case 'w': 535 log_info("USER:\'%c\'", cmd); 536 printf("AG: Put incoming call on hold (Response and Hold)\n"); 537 hfp_ag_hold_incoming_call(); 538 break; 539 case 'x': 540 log_info("USER:\'%c\'", cmd); 541 printf("AG: Accept held incoming call (Response and Hold)\n"); 542 hfp_ag_accept_held_incoming_call(); 543 break; 544 case 'X': 545 log_info("USER:\'%c\'", cmd); 546 printf("AG: Reject held incoming call (Response and Hold)\n"); 547 hfp_ag_reject_held_incoming_call(); 548 break; 549 default: 550 show_usage(); 551 break; 552 } 553 } 554 #endif 555 556 static void packet_handler(uint8_t * event, uint16_t event_size){ 557 switch (event[0]){ 558 case HCI_EVENT_INQUIRY_RESULT: 559 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI: 560 case HCI_EVENT_INQUIRY_COMPLETE: 561 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 562 inquiry_packet_handler(HCI_EVENT_PACKET, event, event_size); 563 break; 564 565 default: 566 break; 567 } 568 569 if (event[0] != HCI_EVENT_HFP_META) return; 570 571 if (event[3] 572 && event[2] != HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER 573 && event[2] != HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG 574 && event[2] != HFP_SUBEVENT_TRANSMIT_DTMF_CODES){ 575 printf("ERROR, status: %u\n", event[3]); 576 return; 577 } 578 579 switch (event[2]) { 580 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 581 handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 582 printf("Service level connection established.\n"); 583 break; 584 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 585 printf("Service level connection released.\n"); 586 break; 587 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 588 printf("\n** Audio connection established **\n"); 589 break; 590 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 591 printf("\n** Audio connection released **\n"); 592 break; 593 case HFP_SUBEVENT_START_RINGINIG: 594 printf("\n** Start Ringing **\n"); 595 break; 596 case HFP_SUBEVENT_STOP_RINGINIG: 597 printf("\n** Stop Ringing **\n"); 598 break; 599 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 600 printf("\n** Outgoing call '%s' **\n", hfp_subevent_place_call_with_number_get_number(event)); 601 // validate number 602 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 603 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 604 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 605 printf("Dialstring valid: accept call\n"); 606 hfp_ag_outgoing_call_accepted(); 607 } else { 608 printf("Dialstring invalid: reject call\n"); 609 hfp_ag_outgoing_call_rejected(); 610 } 611 break; 612 613 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 614 printf("\n** Attach number to voice tag. Sending '1234567\n"); 615 hfp_ag_send_phone_number_for_voice_tag(device_addr, "1234567"); 616 break; 617 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 618 printf("\n** Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 619 hfp_ag_send_dtmf_code_done(device_addr); 620 break; 621 case HFP_SUBEVENT_CALL_ANSWERED: 622 printf("Call answered by HF\n"); 623 break; 624 default: 625 printf("Event not handled %u\n", event[2]); 626 break; 627 } 628 } 629 630 static hfp_phone_number_t subscriber_number = { 631 129, "225577" 632 }; 633 634 /* @section Main Application Setup 635 * 636 * @text Listing MainConfiguration shows main application code. 637 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 638 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 639 * The stdin_process callback allows for sending commands to the HFP HF. 640 * At the end the Bluetooth stack is started. 641 */ 642 643 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 644 645 int btstack_main(int argc, const char * argv[]); 646 int btstack_main(int argc, const char * argv[]){ 647 648 gap_discoverable_control(1); 649 650 // L2CAP 651 l2cap_init(); 652 653 // HFP 654 rfcomm_init(); 655 hfp_ag_init(rfcomm_channel_nr); 656 hfp_ag_init_supported_features(0x3ef | (1<<HFP_AGSF_HF_INDICATORS) | (1<<HFP_AGSF_ESCO_S4)); 657 hfp_ag_init_codecs(sizeof(codecs), codecs); 658 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 659 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 660 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 661 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 662 hfp_ag_register_packet_handler(packet_handler); 663 664 // SDP Server 665 sdp_init(); 666 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 667 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, 0); 668 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 669 sdp_register_service(hfp_service_buffer); 670 671 #ifdef HAVE_POSIX_STDIN 672 btstack_stdin_setup(stdin_process); 673 #endif 674 // turn on! 675 hci_power_control(HCI_POWER_ON); 676 return 0; 677 } 678 /* LISTING_END */ 679 /* EXAMPLE_END */ 680