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 #include "sco_demo_util.h" 60 #ifdef HAVE_POSIX_STDIN 61 #include "stdin_support.h" 62 #endif 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 // CC256x 73 bd_addr_t device_addr = { 0xD0, 0x39, 0x72, 0xCD, 0x83, 0x45}; 74 75 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 76 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 77 78 static uint16_t handle = -1; 79 static hci_con_handle_t sco_handle; 80 static int memory_1_enabled = 1; 81 82 static int ag_indicators_nr = 7; 83 static hfp_ag_indicator_t ag_indicators[] = { 84 // index, name, min range, max range, status, mandatory, enabled, status changed 85 {1, "service", 0, 1, 1, 0, 0, 0}, 86 {2, "call", 0, 1, 0, 1, 1, 0}, 87 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 88 {4, "battchg", 0, 5, 3, 0, 0, 0}, 89 {5, "signal", 0, 5, 5, 0, 1, 0}, 90 {6, "roam", 0, 1, 0, 0, 1, 0}, 91 {7, "callheld", 0, 2, 0, 1, 1, 0} 92 }; 93 94 static int call_hold_services_nr = 5; 95 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 96 97 static int hf_indicators_nr = 2; 98 static hfp_generic_status_indicator_t hf_indicators[] = { 99 {1, 1}, 100 {2, 1}, 101 }; 102 103 char cmd; 104 105 // GAP INQUIRY 106 107 #define MAX_DEVICES 10 108 enum DEVICE_STATE { REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, REMOTE_NAME_FETCHED }; 109 struct device { 110 bd_addr_t address; 111 uint16_t clockOffset; 112 uint32_t classOfDevice; 113 uint8_t pageScanRepetitionMode; 114 uint8_t rssi; 115 enum DEVICE_STATE state; 116 }; 117 118 #define INQUIRY_INTERVAL 5 119 struct device devices[MAX_DEVICES]; 120 int deviceCount = 0; 121 122 123 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 124 enum STATE state = INIT; 125 126 127 static int getDeviceIndexForAddress( bd_addr_t addr){ 128 int j; 129 for (j=0; j< deviceCount; j++){ 130 if (bd_addr_cmp(addr, devices[j].address) == 0){ 131 return j; 132 } 133 } 134 return -1; 135 } 136 137 #ifdef HAVE_POSIX_STDIN 138 static void start_scan(void){ 139 printf("Starting inquiry scan..\n"); 140 hci_send_cmd(&hci_inquiry, HCI_INQUIRY_LAP, INQUIRY_INTERVAL, 0); 141 } 142 #endif 143 144 static int has_more_remote_name_requests(void){ 145 int i; 146 for (i=0;i<deviceCount;i++) { 147 if (devices[i].state == REMOTE_NAME_REQUEST) return 1; 148 } 149 return 0; 150 } 151 152 static void do_next_remote_name_request(void){ 153 int i; 154 for (i=0;i<deviceCount;i++) { 155 // remote name request 156 if (devices[i].state == REMOTE_NAME_REQUEST){ 157 devices[i].state = REMOTE_NAME_INQUIRED; 158 printf("Get remote name of %s...\n", bd_addr_to_str(devices[i].address)); 159 hci_send_cmd(&hci_remote_name_request, devices[i].address, 160 devices[i].pageScanRepetitionMode, 0, devices[i].clockOffset | 0x8000); 161 return; 162 } 163 } 164 } 165 166 static void continue_remote_names(void){ 167 // don't get remote names for testing 168 if (has_more_remote_name_requests()){ 169 do_next_remote_name_request(); 170 return; 171 } 172 // try to find PTS 173 int i; 174 for (i=0;i<deviceCount;i++){ 175 if (memcmp(devices[i].address, device_addr, 6) == 0){ 176 printf("Inquiry scan over, successfully found PTS at index %u\nReady to connect to it.\n", i); 177 return; 178 } 179 } 180 printf("Inquiry scan over but PTS not found :(\n"); 181 } 182 183 static void inquiry_packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){ 184 bd_addr_t addr; 185 int i; 186 int numResponses; 187 int index; 188 189 // printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]); 190 if (packet_type != HCI_EVENT_PACKET) return; 191 192 uint8_t event = packet[0]; 193 194 switch(event){ 195 case HCI_EVENT_INQUIRY_RESULT: 196 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{ 197 numResponses = hci_event_inquiry_result_get_num_responses(packet); 198 int offset = 3; 199 for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){ 200 reverse_bd_addr(&packet[offset], addr); 201 offset += 6; 202 index = getDeviceIndexForAddress(addr); 203 if (index >= 0) continue; // already in our list 204 memcpy(devices[deviceCount].address, addr, 6); 205 206 devices[deviceCount].pageScanRepetitionMode = packet[offset]; 207 offset += 1; 208 209 if (event == HCI_EVENT_INQUIRY_RESULT){ 210 offset += 2; // Reserved + Reserved 211 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 212 offset += 3; 213 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 214 offset += 2; 215 devices[deviceCount].rssi = 0; 216 } else { 217 offset += 1; // Reserved 218 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 219 offset += 3; 220 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 221 offset += 2; 222 devices[deviceCount].rssi = packet[offset]; 223 offset += 1; 224 } 225 devices[deviceCount].state = REMOTE_NAME_REQUEST; 226 printf("Device #%u found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", 227 deviceCount, bd_addr_to_str(addr), 228 devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode, 229 devices[deviceCount].clockOffset, devices[deviceCount].rssi); 230 deviceCount++; 231 } 232 233 break; 234 } 235 case HCI_EVENT_INQUIRY_COMPLETE: 236 for (i=0;i<deviceCount;i++) { 237 // retry remote name request 238 if (devices[i].state == REMOTE_NAME_INQUIRED) 239 devices[i].state = REMOTE_NAME_REQUEST; 240 } 241 continue_remote_names(); 242 break; 243 244 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 245 reverse_bd_addr(&packet[3], addr); 246 index = getDeviceIndexForAddress(addr); 247 if (index >= 0) { 248 if (packet[2] == 0) { 249 printf("Name: '%s'\n", &packet[9]); 250 devices[index].state = REMOTE_NAME_FETCHED; 251 } else { 252 printf("Failed to get name: page timeout\n"); 253 } 254 } 255 continue_remote_names(); 256 break; 257 258 default: 259 break; 260 } 261 } 262 // GAP INQUIRY END 263 #ifdef HAVE_POSIX_STDIN 264 265 // prototypes 266 static void show_usage(void); 267 268 // Testig User Interface 269 static void show_usage(void){ 270 bd_addr_t iut_address; 271 gap_local_bd_addr(iut_address); 272 273 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 274 printf("---\n"); 275 276 printf("a - establish HFP connection to PTS module %s\n", bd_addr_to_str(device_addr)); 277 // printf("A - release HFP connection to PTS module\n"); 278 279 printf("b - establish AUDIO connection\n"); 280 printf("B - release AUDIO connection\n"); 281 282 printf("c - simulate incoming call from 1234567\n"); 283 printf("C - simulate call from 1234567 dropped\n"); 284 285 printf("d - report AG failure\n"); 286 287 printf("e - answer call on AG\n"); 288 printf("E - reject call on AG\n"); 289 290 printf("r - disable in-band ring tone\n"); 291 printf("R - enable in-band ring tone\n"); 292 293 printf("f - Disable cellular network\n"); 294 printf("F - Enable cellular network\n"); 295 296 printf("g - Set signal strength to 0\n"); 297 printf("G - Set signal strength to 5\n"); 298 299 printf("h - Disable roaming\n"); 300 printf("H - Enable roaming\n"); 301 302 printf("i - Set battery level to 3\n"); 303 printf("I - Set battery level to 5\n"); 304 305 printf("j - Answering call on remote side\n"); 306 307 printf("k - Clear memory #1\n"); 308 printf("K - Set memory #1\n"); 309 310 printf("l - Clear last number\n"); 311 printf("L - Set last number\n"); 312 313 printf("m - simulate incoming call from 7654321\n"); 314 // printf("M - simulate call from 7654321 dropped\n"); 315 316 printf("n - Disable Voice Regocnition\n"); 317 printf("N - Enable Voice Recognition\n"); 318 319 printf("o - Set speaker volume to 0 (minimum)\n"); 320 printf("O - Set speaker volume to 9 (default)\n"); 321 printf("p - Set speaker volume to 12 (higher)\n"); 322 printf("P - Set speaker volume to 15 (maximum)\n"); 323 324 printf("q - Set microphone gain to 0 (minimum)\n"); 325 printf("Q - Set microphone gain to 9 (default)\n"); 326 printf("s - Set microphone gain to 12 (higher)\n"); 327 printf("S - Set microphone gain to 15 (maximum)\n"); 328 329 printf("t - terminate connection\n"); 330 printf("u - join held call\n"); 331 printf("v - discover nearby HF units\n"); 332 printf("w - put incoming call on hold (Response and Hold)\n"); 333 printf("x - accept held incoming call (Response and Hold)\n"); 334 printf("X - reject held incoming call (Response and Hold)\n"); 335 336 printf("---\n"); 337 printf("Ctrl-c - exit\n"); 338 printf("---\n"); 339 } 340 341 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 342 read(ds->fd, &cmd, 1); 343 switch (cmd){ 344 case 'a': 345 log_info("USER:\'%c\'", cmd); 346 printf("Establish HFP service level connection to PTS module %s...\n", bd_addr_to_str(device_addr)); 347 hfp_ag_establish_service_level_connection(device_addr); 348 break; 349 case 'A': 350 log_info("USER:\'%c\'", cmd); 351 printf("Release HFP service level connection.\n"); 352 hfp_ag_release_service_level_connection(device_addr); 353 break; 354 case 'Z': 355 log_info("USER:\'%c\'", cmd); 356 printf("Release HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 357 hfp_ag_release_service_level_connection(device_addr); 358 break; 359 case 'b': 360 log_info("USER:\'%c\'", cmd); 361 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 362 hfp_ag_establish_audio_connection(device_addr); 363 break; 364 case 'B': 365 log_info("USER:\'%c\'", cmd); 366 printf("Release Audio connection.\n"); 367 hfp_ag_release_audio_connection(device_addr); 368 break; 369 case 'c': 370 log_info("USER:\'%c\'", cmd); 371 printf("Simulate incoming call from 1234567\n"); 372 hfp_ag_set_clip(129, "1234567"); 373 hfp_ag_incoming_call(); 374 break; 375 case 'm': 376 log_info("USER:\'%c\'", cmd); 377 printf("Simulate incoming call from 7654321\n"); 378 hfp_ag_set_clip(129, "7654321"); 379 hfp_ag_incoming_call(); 380 break; 381 case 'C': 382 log_info("USER:\'%c\'", cmd); 383 printf("Simulate terminate call\n"); 384 hfp_ag_call_dropped(); 385 break; 386 case 'd': 387 log_info("USER:\'%c\'", cmd); 388 printf("Report AG failure\n"); 389 hfp_ag_report_extended_audio_gateway_error_result_code(device_addr, HFP_CME_ERROR_AG_FAILURE); 390 break; 391 case 'e': 392 log_info("USER:\'%c\'", cmd); 393 printf("Answer call on AG\n"); 394 hfp_ag_answer_incoming_call(); 395 break; 396 case 'E': 397 log_info("USER:\'%c\'", cmd); 398 printf("Reject call on AG\n"); 399 hfp_ag_terminate_call(); 400 break; 401 case 'f': 402 log_info("USER:\'%c\'", cmd); 403 printf("Disable cellular network\n"); 404 hfp_ag_set_registration_status(0); 405 break; 406 case 'F': 407 log_info("USER:\'%c\'", cmd); 408 printf("Enable cellular network\n"); 409 hfp_ag_set_registration_status(1); 410 break; 411 case 'g': 412 log_info("USER:\'%c\'", cmd); 413 printf("Set signal strength to 0\n"); 414 hfp_ag_set_signal_strength(0); 415 break; 416 case 'G': 417 log_info("USER:\'%c\'", cmd); 418 printf("Set signal strength to 5\n"); 419 hfp_ag_set_signal_strength(5); 420 break; 421 case 'h': 422 log_info("USER:\'%c\'", cmd); 423 printf("Disable roaming\n"); 424 hfp_ag_set_roaming_status(0); 425 break; 426 case 'H': 427 log_info("USER:\'%c\'", cmd); 428 printf("Enable roaming\n"); 429 hfp_ag_set_roaming_status(1); 430 break; 431 case 'i': 432 log_info("USER:\'%c\'", cmd); 433 printf("Set battery level to 3\n"); 434 hfp_ag_set_battery_level(3); 435 break; 436 case 'I': 437 log_info("USER:\'%c\'", cmd); 438 printf("Set battery level to 5\n"); 439 hfp_ag_set_battery_level(5); 440 break; 441 case 'j': 442 log_info("USER:\'%c\'", cmd); 443 printf("Answering call on remote side\n"); 444 hfp_ag_outgoing_call_established(); 445 break; 446 case 'r': 447 log_info("USER:\'%c\'", cmd); 448 printf("Disable in-band ring tone\n"); 449 hfp_ag_set_use_in_band_ring_tone(0); 450 break; 451 case 'k': 452 log_info("USER:\'%c\'", cmd); 453 printf("Memory 1 cleared\n"); 454 memory_1_enabled = 0; 455 break; 456 case 'K': 457 log_info("USER:\'%c\'", cmd); 458 printf("Memory 1 set\n"); 459 memory_1_enabled = 1; 460 break; 461 case 'l': 462 log_info("USER:\'%c\'", cmd); 463 printf("Last dialed number cleared\n"); 464 hfp_ag_clear_last_dialed_number(); 465 break; 466 case 'L': 467 log_info("USER:\'%c\'", cmd); 468 printf("Outgoing call connected, ringing\n"); 469 hfp_ag_outgoing_call_ringing(); 470 break; 471 case 'n': 472 log_info("USER:\'%c\'", cmd); 473 printf("Disable Voice Recognition\n"); 474 hfp_ag_activate_voice_recognition(device_addr, 0); 475 break; 476 case 'N': 477 log_info("USER:\'%c\'", cmd); 478 printf("Enable Voice Recognition\n"); 479 hfp_ag_activate_voice_recognition(device_addr, 1); 480 break; 481 case 'o': 482 log_info("USER:\'%c\'", cmd); 483 printf("Set speaker gain to 0 (minimum)\n"); 484 hfp_ag_set_speaker_gain(device_addr, 0); 485 break; 486 case 'O': 487 log_info("USER:\'%c\'", cmd); 488 printf("Set speaker gain to 9 (default)\n"); 489 hfp_ag_set_speaker_gain(device_addr, 9); 490 break; 491 case 'p': 492 log_info("USER:\'%c\'", cmd); 493 printf("Set speaker gain to 12 (higher)\n"); 494 hfp_ag_set_speaker_gain(device_addr, 12); 495 break; 496 case 'P': 497 log_info("USER:\'%c\'", cmd); 498 printf("Set speaker gain to 15 (maximum)\n"); 499 hfp_ag_set_speaker_gain(device_addr, 15); 500 break; 501 case 'q': 502 log_info("USER:\'%c\'", cmd); 503 printf("Set microphone gain to 0\n"); 504 hfp_ag_set_microphone_gain(device_addr, 0); 505 break; 506 case 'Q': 507 log_info("USER:\'%c\'", cmd); 508 printf("Set microphone gain to 9\n"); 509 hfp_ag_set_microphone_gain(device_addr, 9); 510 break; 511 case 's': 512 log_info("USER:\'%c\'", cmd); 513 printf("Set microphone gain to 12\n"); 514 hfp_ag_set_microphone_gain(device_addr, 12); 515 break; 516 case 'S': 517 log_info("USER:\'%c\'", cmd); 518 printf("Set microphone gain to 15\n"); 519 hfp_ag_set_microphone_gain(device_addr, 15); 520 break; 521 case 'R': 522 log_info("USER:\'%c\'", cmd); 523 printf("Enable in-band ring tone\n"); 524 hfp_ag_set_use_in_band_ring_tone(1); 525 break; 526 case 't': 527 log_info("USER:\'%c\'", cmd); 528 printf("Terminate HCI connection. 0x%2x\n", handle); 529 gap_disconnect(handle); 530 break; 531 case 'u': 532 log_info("USER:\'%c\'", cmd); 533 printf("Join held call\n"); 534 hfp_ag_join_held_call(); 535 break; 536 case 'v': 537 start_scan(); 538 break; 539 case 'w': 540 log_info("USER:\'%c\'", cmd); 541 printf("AG: Put incoming call on hold (Response and Hold)\n"); 542 hfp_ag_hold_incoming_call(); 543 break; 544 case 'x': 545 log_info("USER:\'%c\'", cmd); 546 printf("AG: Accept held incoming call (Response and Hold)\n"); 547 hfp_ag_accept_held_incoming_call(); 548 break; 549 case 'X': 550 log_info("USER:\'%c\'", cmd); 551 printf("AG: Reject held incoming call (Response and Hold)\n"); 552 hfp_ag_reject_held_incoming_call(); 553 break; 554 default: 555 show_usage(); 556 break; 557 } 558 } 559 #endif 560 561 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 562 switch (packet_type){ 563 case HCI_EVENT_PACKET: 564 switch (event[0]){ 565 case HCI_EVENT_INQUIRY_RESULT: 566 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI: 567 case HCI_EVENT_INQUIRY_COMPLETE: 568 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 569 inquiry_packet_handler(HCI_EVENT_PACKET, event, event_size); 570 break; 571 case HCI_EVENT_SCO_CAN_SEND_NOW: 572 sco_demo_send(sco_handle); 573 break; 574 default: 575 break; 576 } 577 578 if (event[0] != HCI_EVENT_HFP_META) return; 579 580 if (event[3] 581 && event[2] != HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER 582 && event[2] != HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG 583 && event[2] != HFP_SUBEVENT_TRANSMIT_DTMF_CODES){ 584 printf("ERROR, status: %u\n", event[3]); 585 return; 586 } 587 588 switch (event[2]) { 589 case HFP_SUBEVENT_CODECS_CONNECTION_COMPLETE: 590 negotiated_codec = hfp_subevent_codecs_connection_complete_get_negotiated_codec(event); 591 printf("Codec connection established with codec 0x%02x.\n", negotiated_codec); 592 sco_demo_set_codec(negotiated_codec); 593 break; 594 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 595 handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 596 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 597 printf("Service level connection established from %s.\n", bd_addr_to_str(device_addr)); 598 break; 599 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 600 printf("Service level connection released.\n"); 601 sco_handle = 0; 602 break; 603 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 604 if (hfp_subevent_audio_connection_established_get_status(event)){ 605 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 606 sco_handle = 0; 607 } else { 608 sco_handle = hfp_subevent_audio_connection_established_get_handle(event); 609 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 610 hci_request_sco_can_send_now_event(); 611 } 612 break; 613 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 614 printf("\n** Audio connection released **\n"); 615 sco_handle = 0; 616 break; 617 case HFP_SUBEVENT_START_RINGINIG: 618 printf("\n** Start Ringing **\n"); 619 break; 620 case HFP_SUBEVENT_STOP_RINGINIG: 621 printf("\n** Stop Ringing **\n"); 622 break; 623 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 624 printf("\n** Outgoing call '%s' **\n", hfp_subevent_place_call_with_number_get_number(event)); 625 // validate number 626 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 627 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 628 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 629 printf("Dialstring valid: accept call\n"); 630 hfp_ag_outgoing_call_accepted(); 631 } else { 632 printf("Dialstring invalid: reject call\n"); 633 hfp_ag_outgoing_call_rejected(); 634 } 635 break; 636 637 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 638 printf("\n** Attach number to voice tag. Sending '1234567\n"); 639 hfp_ag_send_phone_number_for_voice_tag(device_addr, "1234567"); 640 break; 641 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 642 printf("\n** Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 643 hfp_ag_send_dtmf_code_done(device_addr); 644 break; 645 case HFP_SUBEVENT_CALL_ANSWERED: 646 printf("Call answered by HF\n"); 647 break; 648 default: 649 printf("Event not handled %u\n", event[2]); 650 break; 651 } 652 case HCI_SCO_DATA_PACKET: 653 sco_demo_receive(event, event_size); 654 break; 655 default: 656 break; 657 } 658 } 659 660 static hfp_phone_number_t subscriber_number = { 661 129, "225577" 662 }; 663 664 /* @section Main Application Setup 665 * 666 * @text Listing MainConfiguration shows main application code. 667 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 668 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 669 * The stdin_process callback allows for sending commands to the HFP HF. 670 * At the end the Bluetooth stack is started. 671 */ 672 673 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 674 675 int btstack_main(int argc, const char * argv[]); 676 int btstack_main(int argc, const char * argv[]){ 677 678 sco_demo_init(); 679 680 gap_discoverable_control(1); 681 682 // L2CAP 683 l2cap_init(); 684 685 // HFP 686 rfcomm_init(); 687 hfp_ag_init(rfcomm_channel_nr); 688 hfp_ag_init_supported_features(0x3ef | (1<<HFP_AGSF_HF_INDICATORS) | (1<<HFP_AGSF_ESCO_S4)); 689 hfp_ag_init_codecs(sizeof(codecs), codecs); 690 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 691 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 692 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 693 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 694 hfp_ag_register_packet_handler(&packet_handler); 695 hci_register_sco_packet_handler(&packet_handler); 696 697 // SDP Server 698 sdp_init(); 699 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 700 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, 0); 701 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 702 sdp_register_service(hfp_service_buffer); 703 704 #ifdef HAVE_POSIX_STDIN 705 btstack_stdin_setup(stdin_process); 706 #endif 707 // turn on! 708 hci_power_control(HCI_POWER_ON); 709 return 0; 710 } 711 /* LISTING_END */ 712 /* EXAMPLE_END */ 713