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 // Minijamox 75 bd_addr_t device_addr = { 0x00, 0x15, 0x83, 0x5F, 0x9D, 0x46}; 76 77 // static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 78 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 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 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 char cmd; 107 108 // GAP INQUIRY 109 110 #define MAX_DEVICES 10 111 enum DEVICE_STATE { REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, REMOTE_NAME_FETCHED }; 112 struct device { 113 bd_addr_t address; 114 uint16_t clockOffset; 115 uint32_t classOfDevice; 116 uint8_t pageScanRepetitionMode; 117 uint8_t rssi; 118 enum DEVICE_STATE state; 119 }; 120 121 #define INQUIRY_INTERVAL 5 122 struct device devices[MAX_DEVICES]; 123 int deviceCount = 0; 124 125 126 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 127 enum STATE state = INIT; 128 129 static void dump_supported_codecs(){ 130 int i; 131 printf("Supported codecs: "); 132 for (i = 0; i < sizeof(codecs); i++){ 133 switch(codecs[i]){ 134 case HFP_CODEC_CVSD: 135 printf(" CVSD"); 136 break; 137 case HFP_CODEC_MSBC: 138 printf(" mSBC"); 139 break; 140 } 141 } 142 printf("\n"); 143 } 144 145 static int getDeviceIndexForAddress( bd_addr_t addr){ 146 int j; 147 for (j=0; j< deviceCount; j++){ 148 if (bd_addr_cmp(addr, devices[j].address) == 0){ 149 return j; 150 } 151 } 152 return -1; 153 } 154 155 #ifdef HAVE_POSIX_STDIN 156 static void start_scan(void){ 157 printf("Starting inquiry scan..\n"); 158 hci_send_cmd(&hci_inquiry, HCI_INQUIRY_LAP, INQUIRY_INTERVAL, 0); 159 } 160 #endif 161 162 static int has_more_remote_name_requests(void){ 163 int i; 164 for (i=0;i<deviceCount;i++) { 165 if (devices[i].state == REMOTE_NAME_REQUEST) return 1; 166 } 167 return 0; 168 } 169 170 static void do_next_remote_name_request(void){ 171 int i; 172 for (i=0;i<deviceCount;i++) { 173 // remote name request 174 if (devices[i].state == REMOTE_NAME_REQUEST){ 175 devices[i].state = REMOTE_NAME_INQUIRED; 176 printf("Get remote name of %s...\n", bd_addr_to_str(devices[i].address)); 177 hci_send_cmd(&hci_remote_name_request, devices[i].address, 178 devices[i].pageScanRepetitionMode, 0, devices[i].clockOffset | 0x8000); 179 return; 180 } 181 } 182 } 183 184 static void continue_remote_names(void){ 185 // don't get remote names for testing 186 if (has_more_remote_name_requests()){ 187 do_next_remote_name_request(); 188 return; 189 } 190 // try to find PTS 191 int i; 192 for (i=0;i<deviceCount;i++){ 193 if (memcmp(devices[i].address, device_addr, 6) == 0){ 194 printf("Inquiry scan over, successfully found PTS at index %u\nReady to connect to it.\n", i); 195 return; 196 } 197 } 198 printf("Inquiry scan over but PTS not found :(\n"); 199 } 200 201 static void inquiry_packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){ 202 bd_addr_t addr; 203 int i; 204 int numResponses; 205 int index; 206 207 // printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]); 208 if (packet_type != HCI_EVENT_PACKET) return; 209 210 uint8_t event = packet[0]; 211 212 switch(event){ 213 case HCI_EVENT_INQUIRY_RESULT: 214 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{ 215 numResponses = hci_event_inquiry_result_get_num_responses(packet); 216 int offset = 3; 217 for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){ 218 reverse_bd_addr(&packet[offset], addr); 219 offset += 6; 220 index = getDeviceIndexForAddress(addr); 221 if (index >= 0) continue; // already in our list 222 memcpy(devices[deviceCount].address, addr, 6); 223 224 devices[deviceCount].pageScanRepetitionMode = packet[offset]; 225 offset += 1; 226 227 if (event == HCI_EVENT_INQUIRY_RESULT){ 228 offset += 2; // Reserved + Reserved 229 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 230 offset += 3; 231 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 232 offset += 2; 233 devices[deviceCount].rssi = 0; 234 } else { 235 offset += 1; // Reserved 236 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 237 offset += 3; 238 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 239 offset += 2; 240 devices[deviceCount].rssi = packet[offset]; 241 offset += 1; 242 } 243 devices[deviceCount].state = REMOTE_NAME_REQUEST; 244 printf("Device #%u found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", 245 deviceCount, bd_addr_to_str(addr), 246 devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode, 247 devices[deviceCount].clockOffset, devices[deviceCount].rssi); 248 deviceCount++; 249 } 250 251 break; 252 } 253 case HCI_EVENT_INQUIRY_COMPLETE: 254 for (i=0;i<deviceCount;i++) { 255 // retry remote name request 256 if (devices[i].state == REMOTE_NAME_INQUIRED) 257 devices[i].state = REMOTE_NAME_REQUEST; 258 } 259 continue_remote_names(); 260 break; 261 262 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 263 reverse_bd_addr(&packet[3], addr); 264 index = getDeviceIndexForAddress(addr); 265 if (index >= 0) { 266 if (packet[2] == 0) { 267 printf("Name: '%s'\n", &packet[9]); 268 devices[index].state = REMOTE_NAME_FETCHED; 269 } else { 270 printf("Failed to get name: page timeout\n"); 271 } 272 } 273 continue_remote_names(); 274 break; 275 276 default: 277 break; 278 } 279 } 280 // GAP INQUIRY END 281 #ifdef HAVE_POSIX_STDIN 282 283 // prototypes 284 static void show_usage(void); 285 286 // Testig User Interface 287 static void show_usage(void){ 288 bd_addr_t iut_address; 289 gap_local_bd_addr(iut_address); 290 291 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 292 printf("---\n"); 293 294 printf("a - establish HFP connection to PTS module %s\n", bd_addr_to_str(device_addr)); 295 // printf("A - release HFP connection to PTS module\n"); 296 297 printf("b - establish AUDIO connection\n"); 298 printf("B - release AUDIO connection\n"); 299 300 printf("c - simulate incoming call from 1234567\n"); 301 printf("C - simulate call from 1234567 dropped\n"); 302 303 printf("d - report AG failure\n"); 304 305 printf("e - answer call on AG\n"); 306 printf("E - reject call on AG\n"); 307 308 printf("r - disable in-band ring tone\n"); 309 printf("R - enable in-band ring tone\n"); 310 311 printf("f - Disable cellular network\n"); 312 printf("F - Enable cellular network\n"); 313 314 printf("g - Set signal strength to 0\n"); 315 printf("G - Set signal strength to 5\n"); 316 317 printf("h - Disable roaming\n"); 318 printf("H - Enable roaming\n"); 319 320 printf("i - Set battery level to 3\n"); 321 printf("I - Set battery level to 5\n"); 322 323 printf("j - Answering call on remote side\n"); 324 325 printf("k - Clear memory #1\n"); 326 printf("K - Set memory #1\n"); 327 328 printf("l - Clear last number\n"); 329 printf("L - Set last number\n"); 330 331 printf("m - simulate incoming call from 7654321\n"); 332 // printf("M - simulate call from 7654321 dropped\n"); 333 334 printf("n - Disable Voice Regocnition\n"); 335 printf("N - Enable Voice Recognition\n"); 336 337 printf("o - Set speaker volume to 0 (minimum)\n"); 338 printf("O - Set speaker volume to 9 (default)\n"); 339 printf("p - Set speaker volume to 12 (higher)\n"); 340 printf("P - Set speaker volume to 15 (maximum)\n"); 341 342 printf("q - Set microphone gain to 0 (minimum)\n"); 343 printf("Q - Set microphone gain to 9 (default)\n"); 344 printf("s - Set microphone gain to 12 (higher)\n"); 345 printf("S - Set microphone gain to 15 (maximum)\n"); 346 347 printf("t - terminate connection\n"); 348 printf("u - join held call\n"); 349 printf("v - discover nearby HF units\n"); 350 printf("w - put incoming call on hold (Response and Hold)\n"); 351 printf("x - accept held incoming call (Response and Hold)\n"); 352 printf("X - reject held incoming call (Response and Hold)\n"); 353 354 printf("---\n"); 355 printf("Ctrl-c - exit\n"); 356 printf("---\n"); 357 } 358 359 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 360 read(ds->fd, &cmd, 1); 361 switch (cmd){ 362 case 'a': 363 log_info("USER:\'%c\'", cmd); 364 printf("Establish HFP service level connection to PTS module %s...\n", bd_addr_to_str(device_addr)); 365 hfp_ag_establish_service_level_connection(device_addr); 366 break; 367 case 'A': 368 log_info("USER:\'%c\'", cmd); 369 printf("Release HFP service level connection.\n"); 370 hfp_ag_release_service_level_connection(acl_handle); 371 break; 372 case 'Z': 373 log_info("USER:\'%c\'", cmd); 374 printf("Release HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 375 hfp_ag_release_service_level_connection(acl_handle); 376 break; 377 case 'b': 378 log_info("USER:\'%c\'", cmd); 379 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 380 hfp_ag_establish_audio_connection(acl_handle); 381 break; 382 case 'B': 383 log_info("USER:\'%c\'", cmd); 384 printf("Release Audio connection.\n"); 385 hfp_ag_release_audio_connection(acl_handle); 386 break; 387 case 'c': 388 log_info("USER:\'%c\'", cmd); 389 printf("Simulate incoming call from 1234567\n"); 390 hfp_ag_set_clip(129, "1234567"); 391 hfp_ag_incoming_call(); 392 break; 393 case 'm': 394 log_info("USER:\'%c\'", cmd); 395 printf("Simulate incoming call from 7654321\n"); 396 hfp_ag_set_clip(129, "7654321"); 397 hfp_ag_incoming_call(); 398 break; 399 case 'C': 400 log_info("USER:\'%c\'", cmd); 401 printf("Simulate terminate call\n"); 402 hfp_ag_call_dropped(); 403 break; 404 case 'd': 405 log_info("USER:\'%c\'", cmd); 406 printf("Report AG failure\n"); 407 hfp_ag_report_extended_audio_gateway_error_result_code(acl_handle, HFP_CME_ERROR_AG_FAILURE); 408 break; 409 case 'e': 410 log_info("USER:\'%c\'", cmd); 411 printf("Answer call on AG\n"); 412 hfp_ag_answer_incoming_call(); 413 break; 414 case 'E': 415 log_info("USER:\'%c\'", cmd); 416 printf("Reject call on AG\n"); 417 hfp_ag_terminate_call(); 418 break; 419 case 'f': 420 log_info("USER:\'%c\'", cmd); 421 printf("Disable cellular network\n"); 422 hfp_ag_set_registration_status(0); 423 break; 424 case 'F': 425 log_info("USER:\'%c\'", cmd); 426 printf("Enable cellular network\n"); 427 hfp_ag_set_registration_status(1); 428 break; 429 case 'g': 430 log_info("USER:\'%c\'", cmd); 431 printf("Set signal strength to 0\n"); 432 hfp_ag_set_signal_strength(0); 433 break; 434 case 'G': 435 log_info("USER:\'%c\'", cmd); 436 printf("Set signal strength to 5\n"); 437 hfp_ag_set_signal_strength(5); 438 break; 439 case 'h': 440 log_info("USER:\'%c\'", cmd); 441 printf("Disable roaming\n"); 442 hfp_ag_set_roaming_status(0); 443 break; 444 case 'H': 445 log_info("USER:\'%c\'", cmd); 446 printf("Enable roaming\n"); 447 hfp_ag_set_roaming_status(1); 448 break; 449 case 'i': 450 log_info("USER:\'%c\'", cmd); 451 printf("Set battery level to 3\n"); 452 hfp_ag_set_battery_level(3); 453 break; 454 case 'I': 455 log_info("USER:\'%c\'", cmd); 456 printf("Set battery level to 5\n"); 457 hfp_ag_set_battery_level(5); 458 break; 459 case 'j': 460 log_info("USER:\'%c\'", cmd); 461 printf("Answering call on remote side\n"); 462 hfp_ag_outgoing_call_established(); 463 break; 464 case 'r': 465 log_info("USER:\'%c\'", cmd); 466 printf("Disable in-band ring tone\n"); 467 hfp_ag_set_use_in_band_ring_tone(0); 468 break; 469 case 'k': 470 log_info("USER:\'%c\'", cmd); 471 printf("Memory 1 cleared\n"); 472 memory_1_enabled = 0; 473 break; 474 case 'K': 475 log_info("USER:\'%c\'", cmd); 476 printf("Memory 1 set\n"); 477 memory_1_enabled = 1; 478 break; 479 case 'l': 480 log_info("USER:\'%c\'", cmd); 481 printf("Last dialed number cleared\n"); 482 hfp_ag_clear_last_dialed_number(); 483 break; 484 case 'L': 485 log_info("USER:\'%c\'", cmd); 486 printf("Outgoing call connected, ringing\n"); 487 hfp_ag_outgoing_call_ringing(); 488 break; 489 case 'n': 490 log_info("USER:\'%c\'", cmd); 491 printf("Disable Voice Recognition\n"); 492 hfp_ag_activate_voice_recognition(acl_handle, 0); 493 break; 494 case 'N': 495 log_info("USER:\'%c\'", cmd); 496 printf("Enable Voice Recognition\n"); 497 hfp_ag_activate_voice_recognition(acl_handle, 1); 498 break; 499 case 'o': 500 log_info("USER:\'%c\'", cmd); 501 printf("Set speaker gain to 0 (minimum)\n"); 502 hfp_ag_set_speaker_gain(acl_handle, 0); 503 break; 504 case 'O': 505 log_info("USER:\'%c\'", cmd); 506 printf("Set speaker gain to 9 (default)\n"); 507 hfp_ag_set_speaker_gain(acl_handle, 9); 508 break; 509 case 'p': 510 log_info("USER:\'%c\'", cmd); 511 printf("Set speaker gain to 12 (higher)\n"); 512 hfp_ag_set_speaker_gain(acl_handle, 12); 513 break; 514 case 'P': 515 log_info("USER:\'%c\'", cmd); 516 printf("Set speaker gain to 15 (maximum)\n"); 517 hfp_ag_set_speaker_gain(acl_handle, 15); 518 break; 519 case 'q': 520 log_info("USER:\'%c\'", cmd); 521 printf("Set microphone gain to 0\n"); 522 hfp_ag_set_microphone_gain(acl_handle, 0); 523 break; 524 case 'Q': 525 log_info("USER:\'%c\'", cmd); 526 printf("Set microphone gain to 9\n"); 527 hfp_ag_set_microphone_gain(acl_handle, 9); 528 break; 529 case 's': 530 log_info("USER:\'%c\'", cmd); 531 printf("Set microphone gain to 12\n"); 532 hfp_ag_set_microphone_gain(acl_handle, 12); 533 break; 534 case 'S': 535 log_info("USER:\'%c\'", cmd); 536 printf("Set microphone gain to 15\n"); 537 hfp_ag_set_microphone_gain(acl_handle, 15); 538 break; 539 case 'R': 540 log_info("USER:\'%c\'", cmd); 541 printf("Enable in-band ring tone\n"); 542 hfp_ag_set_use_in_band_ring_tone(1); 543 break; 544 case 't': 545 log_info("USER:\'%c\'", cmd); 546 printf("Terminate HCI connection. 0x%2x\n", acl_handle); 547 gap_disconnect(acl_handle); 548 break; 549 case 'u': 550 log_info("USER:\'%c\'", cmd); 551 printf("Join held call\n"); 552 hfp_ag_join_held_call(); 553 break; 554 case 'v': 555 start_scan(); 556 break; 557 case 'w': 558 log_info("USER:\'%c\'", cmd); 559 printf("AG: Put incoming call on hold (Response and Hold)\n"); 560 hfp_ag_hold_incoming_call(); 561 break; 562 case 'x': 563 log_info("USER:\'%c\'", cmd); 564 printf("AG: Accept held incoming call (Response and Hold)\n"); 565 hfp_ag_accept_held_incoming_call(); 566 break; 567 case 'X': 568 log_info("USER:\'%c\'", cmd); 569 printf("AG: Reject held incoming call (Response and Hold)\n"); 570 hfp_ag_reject_held_incoming_call(); 571 break; 572 default: 573 show_usage(); 574 break; 575 } 576 } 577 #endif 578 579 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 580 switch (packet_type){ 581 case HCI_EVENT_PACKET: 582 switch (event[0]){ 583 case HCI_EVENT_INQUIRY_RESULT: 584 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI: 585 case HCI_EVENT_INQUIRY_COMPLETE: 586 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 587 inquiry_packet_handler(HCI_EVENT_PACKET, event, event_size); 588 break; 589 case HCI_EVENT_SCO_CAN_SEND_NOW: 590 sco_demo_send(sco_handle); 591 break; 592 case HCI_EVENT_COMMAND_COMPLETE: 593 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 594 if (hci_extended_sco_link_supported()){ 595 printf("Supported Codecs: CVSD, mSBC.\n"); 596 } else { 597 printf("Supported Codecs: CVSD. mSBC disabled, eSCO not supported by controller).\n"); 598 } 599 } 600 break; 601 default: 602 break; 603 } 604 605 if (event[0] != HCI_EVENT_HFP_META) return; 606 607 if (event[3] 608 && event[2] != HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER 609 && event[2] != HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG 610 && event[2] != HFP_SUBEVENT_TRANSMIT_DTMF_CODES){ 611 printf("ERROR, status: %u\n", event[3]); 612 return; 613 } 614 615 switch (event[2]) { 616 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 617 acl_handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 618 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 619 printf("Service level connection established from %s.\n", bd_addr_to_str(device_addr)); 620 621 dump_supported_codecs(); 622 if (hci_extended_sco_link_supported()){ 623 printf("eSCO supported by controller.\n"); 624 } else { 625 printf("eSCO not supported by controller.\n"); 626 } 627 628 break; 629 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 630 printf("Service level connection released.\n"); 631 sco_handle = 0; 632 break; 633 case HFP_SUBEVENT_CODECS_CONNECTION_COMPLETE: 634 negotiated_codec = hfp_subevent_codecs_connection_complete_get_negotiated_codec(event); 635 printf("Codec connection established with codec 0x%02x.\n", negotiated_codec); 636 sco_demo_set_codec(negotiated_codec); 637 break; 638 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 639 if (hfp_subevent_audio_connection_established_get_status(event)){ 640 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 641 sco_handle = 0; 642 } else { 643 sco_handle = hfp_subevent_audio_connection_established_get_handle(event); 644 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 645 hci_request_sco_can_send_now_event(); 646 } 647 break; 648 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 649 printf("\n** Audio connection released **\n"); 650 sco_handle = 0; 651 break; 652 case HFP_SUBEVENT_START_RINGINIG: 653 printf("\n** Start Ringing **\n"); 654 break; 655 case HFP_SUBEVENT_STOP_RINGINIG: 656 printf("\n** Stop Ringing **\n"); 657 break; 658 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 659 printf("\n** Outgoing call '%s' **\n", hfp_subevent_place_call_with_number_get_number(event)); 660 // validate number 661 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 662 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 663 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 664 printf("Dialstring valid: accept call\n"); 665 hfp_ag_outgoing_call_accepted(); 666 } else { 667 printf("Dialstring invalid: reject call\n"); 668 hfp_ag_outgoing_call_rejected(); 669 } 670 break; 671 672 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 673 printf("\n** Attach number to voice tag. Sending '1234567\n"); 674 hfp_ag_send_phone_number_for_voice_tag(acl_handle, "1234567"); 675 break; 676 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 677 printf("\n** Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 678 hfp_ag_send_dtmf_code_done(acl_handle); 679 break; 680 case HFP_SUBEVENT_CALL_ANSWERED: 681 printf("Call answered by HF\n"); 682 break; 683 default: 684 printf("Event not handled %u\n", event[2]); 685 break; 686 } 687 case HCI_SCO_DATA_PACKET: 688 sco_demo_receive(event, event_size); 689 break; 690 default: 691 break; 692 } 693 } 694 695 static hfp_phone_number_t subscriber_number = { 696 129, "225577" 697 }; 698 699 /* @section Main Application Setup 700 * 701 * @text Listing MainConfiguration shows main application code. 702 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 703 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 704 * The stdin_process callback allows for sending commands to the HFP HF. 705 * At the end the Bluetooth stack is started. 706 */ 707 708 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 709 710 int btstack_main(int argc, const char * argv[]); 711 int btstack_main(int argc, const char * argv[]){ 712 713 sco_demo_init(); 714 715 gap_discoverable_control(1); 716 717 // L2CAP 718 l2cap_init(); 719 720 uint16_t supported_features = 721 (1<<HFP_AGSF_ESCO_S4) | 722 (1<<HFP_AGSF_HF_INDICATORS) | 723 (1<<HFP_AGSF_CODEC_NEGOTIATION) | 724 (1<<HFP_AGSF_EXTENDED_ERROR_RESULT_CODES) | 725 (1<<HFP_AGSF_ENHANCED_CALL_CONTROL) | 726 (1<<HFP_AGSF_ENHANCED_CALL_STATUS) | 727 (1<<HFP_AGSF_ABILITY_TO_REJECT_A_CALL) | 728 (1<<HFP_AGSF_IN_BAND_RING_TONE) | 729 (1<<HFP_AGSF_VOICE_RECOGNITION_FUNCTION) | 730 (1<<HFP_AGSF_THREE_WAY_CALLING); 731 int wide_band_speech = 1; 732 733 // HFP 734 rfcomm_init(); 735 hfp_ag_init(rfcomm_channel_nr); 736 hfp_ag_init_supported_features(supported_features); 737 hfp_ag_init_codecs(sizeof(codecs), codecs); 738 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 739 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 740 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 741 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 742 hfp_ag_register_packet_handler(&packet_handler); 743 hci_register_sco_packet_handler(&packet_handler); 744 745 // SDP Server 746 sdp_init(); 747 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 748 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, supported_features, wide_band_speech); 749 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 750 sdp_register_service(hfp_service_buffer); 751 752 #ifdef HAVE_POSIX_STDIN 753 btstack_stdin_setup(stdin_process); 754 #endif 755 // turn on! 756 hci_power_control(HCI_POWER_ON); 757 return 0; 758 } 759 /* LISTING_END */ 760 /* EXAMPLE_END */ 761