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 AG - Audio Gateway 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 // uncomment to temp disable mSBC codec 66 // #undef ENABLE_HFP_WIDE_BAND_SPEECH 67 68 uint8_t hfp_service_buffer[150]; 69 const uint8_t rfcomm_channel_nr = 1; 70 const char hfp_ag_service_name[] = "HFP AG Demo"; 71 72 static bd_addr_t device_addr; 73 static const char * device_addr_string = "00:1A:7D:DA:71:13"; 74 75 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 76 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 77 #else 78 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 79 #endif 80 81 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 82 83 static hci_con_handle_t acl_handle = HCI_CON_HANDLE_INVALID; 84 static hci_con_handle_t sco_handle = HCI_CON_HANDLE_INVALID; 85 static int memory_1_enabled = 1; 86 static btstack_packet_callback_registration_t hci_event_callback_registration; 87 88 static int ag_indicators_nr = 7; 89 static hfp_ag_indicator_t ag_indicators[] = { 90 // index, name, min range, max range, status, mandatory, enabled, status changed 91 {1, "service", 0, 1, 1, 0, 0, 0}, 92 {2, "call", 0, 1, 0, 1, 1, 0}, 93 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 94 {4, "battchg", 0, 5, 3, 0, 0, 0}, 95 {5, "signal", 0, 5, 5, 0, 1, 0}, 96 {6, "roam", 0, 1, 0, 0, 1, 0}, 97 {7, "callheld", 0, 2, 0, 1, 1, 0} 98 }; 99 100 static int call_hold_services_nr = 5; 101 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 102 103 static int hf_indicators_nr = 2; 104 static hfp_generic_status_indicator_t hf_indicators[] = { 105 {1, 1}, 106 {2, 1}, 107 }; 108 109 #define INQUIRY_INTERVAL 5 110 111 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 112 enum STATE state = INIT; 113 114 static void dump_supported_codecs(void){ 115 unsigned int i; 116 int mSBC_skipped = 0; 117 printf("Supported codecs: "); 118 for (i = 0; i < sizeof(codecs); i++){ 119 switch(codecs[i]){ 120 case HFP_CODEC_CVSD: 121 printf("CVSD"); 122 break; 123 case HFP_CODEC_MSBC: 124 if (hci_extended_sco_link_supported()){ 125 printf(", mSBC"); 126 } else { 127 mSBC_skipped = 1; 128 } 129 break; 130 default: 131 btstack_assert(false); 132 break; 133 } 134 } 135 printf("\n"); 136 if (mSBC_skipped){ 137 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 138 } 139 } 140 141 #ifdef HAVE_BTSTACK_STDIN 142 // Testig User Interface 143 static void show_usage(void){ 144 bd_addr_t iut_address; 145 gap_local_bd_addr(iut_address); 146 147 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 148 printf("\n"); 149 150 printf("a - establish HFP connection to %s\n", bd_addr_to_str(device_addr)); 151 // printf("A - release HFP connection\n"); 152 153 printf("b - establish AUDIO connection | B - release AUDIO connection\n"); 154 printf("c - simulate incoming call from 1234567 | C - simulate call from 1234567 dropped\n"); 155 printf("d - report AG failure\n"); 156 printf("D - delete all link keys\n"); 157 printf("e - answer call on AG | E - reject call on AG\n"); 158 printf("r - disable in-band ring tone | R - enable in-band ring tone\n"); 159 printf("f - Disable cellular network | F - Enable cellular network\n"); 160 printf("g - Set signal strength to 0 | G - Set signal strength to 5\n"); 161 printf("h - Disable roaming | H - Enable roaming\n"); 162 printf("i - Set battery level to 3 | I - Set battery level to 5\n"); 163 printf("j - Answering call on remote side\n"); 164 printf("k - Clear memory #1 | K - Set memory #1\n"); 165 printf("l - Clear last number | L - Set last number\n"); 166 printf("m - simulate incoming call from 7654321\n"); 167 // printf("M - simulate call from 7654321 dropped\n"); 168 printf("n - Disable Voice Recognition | N - Enable Voice Recognition\n"); 169 printf("z - Disable Enhanced Voice Recognition | Z - Enable Enhanced Voice Recognition\n"); 170 printf("1 - EVR report starting sound | 2 - EVR report ready for input\n"); 171 printf("3 - EVR report processing input | 4 - EVR report message\n"); 172 173 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 174 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 175 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 176 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 177 printf("t - terminate connection\n"); 178 printf("u - join held call\n"); 179 printf("v - discover nearby HF units\n"); 180 printf("w - put incoming call on hold (Response and Hold)\n"); 181 printf("x - accept held incoming call (Response and Hold)\n"); 182 printf("X - reject held incoming call (Response and Hold)\n"); 183 printf("---\n"); 184 } 185 186 static void stdin_process(char cmd){ 187 uint8_t status = ERROR_CODE_SUCCESS; 188 189 switch (cmd){ 190 case 'a': 191 log_info("USER:\'%c\'", cmd); 192 printf("Establish HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 193 status = hfp_ag_establish_service_level_connection(device_addr); 194 break; 195 case 'A': 196 log_info("USER:\'%c\'", cmd); 197 printf("Release HFP service level connection.\n"); 198 status = hfp_ag_release_service_level_connection(acl_handle); 199 break; 200 201 case 'b': 202 log_info("USER:\'%c\'", cmd); 203 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 204 status = hfp_ag_establish_audio_connection(acl_handle); 205 break; 206 case 'B': 207 log_info("USER:\'%c\'", cmd); 208 printf("Release Audio connection.\n"); 209 status = hfp_ag_release_audio_connection(acl_handle); 210 break; 211 case 'c': 212 log_info("USER:\'%c\'", cmd); 213 printf("Simulate incoming call from 1234567\n"); 214 hfp_ag_set_clip(129, "1234567"); 215 hfp_ag_incoming_call(); 216 break; 217 case 'D': 218 printf("Deleting all link keys\n"); 219 gap_delete_all_link_keys(); 220 break; 221 case 'm': 222 log_info("USER:\'%c\'", cmd); 223 printf("Simulate incoming call from 7654321\n"); 224 hfp_ag_set_clip(129, "7654321"); 225 hfp_ag_incoming_call(); 226 break; 227 case 'C': 228 log_info("USER:\'%c\'", cmd); 229 printf("Simulate terminate call\n"); 230 hfp_ag_call_dropped(); 231 break; 232 case 'd': 233 log_info("USER:\'%c\'", cmd); 234 printf("Report AG failure\n"); 235 status = hfp_ag_report_extended_audio_gateway_error_result_code(acl_handle, HFP_CME_ERROR_AG_FAILURE); 236 break; 237 case 'e': 238 log_info("USER:\'%c\'", cmd); 239 printf("Answer call on AG\n"); 240 hfp_ag_answer_incoming_call(); 241 break; 242 case 'E': 243 log_info("USER:\'%c\'", cmd); 244 printf("Reject call on AG\n"); 245 hfp_ag_terminate_call(); 246 break; 247 case 'f': 248 log_info("USER:\'%c\'", cmd); 249 printf("Disable cellular network\n"); 250 status = hfp_ag_set_registration_status(0); 251 break; 252 case 'F': 253 log_info("USER:\'%c\'", cmd); 254 printf("Enable cellular network\n"); 255 status = hfp_ag_set_registration_status(1); 256 break; 257 case 'g': 258 log_info("USER:\'%c\'", cmd); 259 printf("Set signal strength to 0\n"); 260 status = hfp_ag_set_signal_strength(0); 261 break; 262 case 'G': 263 log_info("USER:\'%c\'", cmd); 264 printf("Set signal strength to 5\n"); 265 status = hfp_ag_set_signal_strength(5); 266 break; 267 case 'h': 268 log_info("USER:\'%c\'", cmd); 269 printf("Disable roaming\n"); 270 status = hfp_ag_set_roaming_status(0); 271 break; 272 case 'H': 273 log_info("USER:\'%c\'", cmd); 274 printf("Enable roaming\n"); 275 status = hfp_ag_set_roaming_status(1); 276 break; 277 case 'i': 278 log_info("USER:\'%c\'", cmd); 279 printf("Set battery level to 3\n"); 280 status = hfp_ag_set_battery_level(3); 281 break; 282 case 'I': 283 log_info("USER:\'%c\'", cmd); 284 printf("Set battery level to 5\n"); 285 status = hfp_ag_set_battery_level(5); 286 break; 287 case 'j': 288 log_info("USER:\'%c\'", cmd); 289 printf("Answering call on remote side\n"); 290 hfp_ag_outgoing_call_established(); 291 break; 292 case 'r': 293 log_info("USER:\'%c\'", cmd); 294 printf("Disable in-band ring tone\n"); 295 hfp_ag_set_use_in_band_ring_tone(0); 296 break; 297 case 'k': 298 log_info("USER:\'%c\'", cmd); 299 printf("Memory 1 cleared\n"); 300 memory_1_enabled = 0; 301 break; 302 case 'K': 303 log_info("USER:\'%c\'", cmd); 304 printf("Memory 1 set\n"); 305 memory_1_enabled = 1; 306 break; 307 case 'l': 308 log_info("USER:\'%c\'", cmd); 309 printf("Last dialed number cleared\n"); 310 hfp_ag_clear_last_dialed_number(); 311 break; 312 case 'L': 313 log_info("USER:\'%c\'", cmd); 314 printf("Outgoing call connected, ringing\n"); 315 hfp_ag_outgoing_call_ringing(); 316 break; 317 case 'n': 318 log_info("USER:\'%c\'", cmd); 319 printf("Disable Voice Recognition\n"); 320 status = hfp_ag_deactivate_voice_recognition(acl_handle); 321 break; 322 case 'N': 323 log_info("USER:\'%c\'", cmd); 324 printf("Enable Voice Recognition\n"); 325 status = hfp_ag_activate_voice_recognition(acl_handle); 326 break; 327 328 case 'z': 329 log_info("USER:\'%c\'", cmd); 330 printf("Disable Enhanced Voice Recognition\n"); 331 status = hfp_ag_deactivate_enhanced_voice_recognition(acl_handle); 332 break; 333 case 'Z': 334 log_info("USER:\'%c\'", cmd); 335 printf("Enable Enhanced_Voice Recognition\n"); 336 status = hfp_ag_activate_enhanced_voice_recognition(acl_handle); 337 break; 338 339 case '1': 340 log_info("USER:\'%c\'", cmd); 341 printf("Enhanced_Voice Recognition: report starting sound\n"); 342 status = hfp_ag_enhanced_voice_recognition_report_starting_sound(acl_handle); 343 break; 344 case '2': 345 log_info("USER:\'%c\'", cmd); 346 printf("Enhanced_Voice Recognition: report ready for input\n"); 347 status = hfp_ag_enhanced_voice_recognition_report_ready_for_input(acl_handle); 348 break; 349 case '3': 350 log_info("USER:\'%c\'", cmd); 351 printf("Enhanced_Voice Recognition: report processing input\n"); 352 status = hfp_ag_enhanced_voice_recognition_report_processing_input(acl_handle); 353 break; 354 case '4': 355 log_info("USER:\'%c\'", cmd); 356 printf("Enhanced_Voice Recognition: report message\n"); 357 // status = hfp_ag_enhanced_voice_recognition_report_message(acl_handle); 358 break; 359 360 case 'o': 361 log_info("USER:\'%c\'", cmd); 362 printf("Set speaker gain to 0 (minimum)\n"); 363 status = hfp_ag_set_speaker_gain(acl_handle, 0); 364 break; 365 case 'O': 366 log_info("USER:\'%c\'", cmd); 367 printf("Set speaker gain to 9 (default)\n"); 368 status = hfp_ag_set_speaker_gain(acl_handle, 9); 369 break; 370 case 'p': 371 log_info("USER:\'%c\'", cmd); 372 printf("Set speaker gain to 12 (higher)\n"); 373 status = hfp_ag_set_speaker_gain(acl_handle, 12); 374 break; 375 case 'P': 376 log_info("USER:\'%c\'", cmd); 377 printf("Set speaker gain to 15 (maximum)\n"); 378 status = hfp_ag_set_speaker_gain(acl_handle, 15); 379 break; 380 case 'q': 381 log_info("USER:\'%c\'", cmd); 382 printf("Set microphone gain to 0\n"); 383 status = hfp_ag_set_microphone_gain(acl_handle, 0); 384 break; 385 case 'Q': 386 log_info("USER:\'%c\'", cmd); 387 printf("Set microphone gain to 9\n"); 388 status = hfp_ag_set_microphone_gain(acl_handle, 9); 389 break; 390 case 's': 391 log_info("USER:\'%c\'", cmd); 392 printf("Set microphone gain to 12\n"); 393 status = hfp_ag_set_microphone_gain(acl_handle, 12); 394 break; 395 case 'S': 396 log_info("USER:\'%c\'", cmd); 397 printf("Set microphone gain to 15\n"); 398 status = hfp_ag_set_microphone_gain(acl_handle, 15); 399 break; 400 case 'R': 401 log_info("USER:\'%c\'", cmd); 402 printf("Enable in-band ring tone\n"); 403 hfp_ag_set_use_in_band_ring_tone(1); 404 break; 405 case 't': 406 log_info("USER:\'%c\'", cmd); 407 printf("Terminate HCI connection. 0x%2x\n", acl_handle); 408 gap_disconnect(acl_handle); 409 break; 410 case 'u': 411 log_info("USER:\'%c\'", cmd); 412 printf("Join held call\n"); 413 hfp_ag_join_held_call(); 414 break; 415 case 'v': 416 printf("Start scanning...\n"); 417 gap_inquiry_start(INQUIRY_INTERVAL); 418 break; 419 case 'w': 420 log_info("USER:\'%c\'", cmd); 421 printf("AG: Put incoming call on hold (Response and Hold)\n"); 422 hfp_ag_hold_incoming_call(); 423 break; 424 case 'x': 425 log_info("USER:\'%c\'", cmd); 426 printf("AG: Accept held incoming call (Response and Hold)\n"); 427 hfp_ag_accept_held_incoming_call(); 428 break; 429 case 'X': 430 log_info("USER:\'%c\'", cmd); 431 printf("AG: Reject held incoming call (Response and Hold)\n"); 432 hfp_ag_reject_held_incoming_call(); 433 break; 434 default: 435 show_usage(); 436 break; 437 } 438 439 if (status != ERROR_CODE_SUCCESS){ 440 printf("Could not perform command, status 0x%02x\n", status); 441 } 442 } 443 #endif 444 445 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 446 UNUSED(channel); 447 bd_addr_t addr; 448 uint8_t status; 449 switch (packet_type){ 450 case HCI_EVENT_PACKET: 451 switch(hci_event_packet_get_type(event)){ 452 #ifndef HAVE_BTSTACK_STDIN 453 case BTSTACK_EVENT_STATE: 454 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 455 printf("Establish HFP AG service level connection to %s...\n", bd_addr_to_str(device_addr)); 456 hfp_ag_establish_service_level_connection(device_addr); 457 break; 458 #endif 459 case GAP_EVENT_INQUIRY_RESULT: 460 gap_event_inquiry_result_get_bd_addr(event, addr); 461 // print info 462 printf("Device found: %s ", bd_addr_to_str(addr)); 463 printf("with COD: 0x%06x, ", (unsigned int) gap_event_inquiry_result_get_class_of_device(event)); 464 if (gap_event_inquiry_result_get_rssi_available(event)){ 465 printf(", rssi %d dBm", (int8_t) gap_event_inquiry_result_get_rssi(event)); 466 } 467 if (gap_event_inquiry_result_get_name_available(event)){ 468 char name_buffer[240]; 469 int name_len = gap_event_inquiry_result_get_name_len(event); 470 memcpy(name_buffer, gap_event_inquiry_result_get_name(event), name_len); 471 name_buffer[name_len] = 0; 472 printf(", name '%s'", name_buffer); 473 } 474 printf("\n"); 475 break; 476 case GAP_EVENT_INQUIRY_COMPLETE: 477 printf("Inquiry scan complete.\n"); 478 break; 479 case HCI_EVENT_SCO_CAN_SEND_NOW: 480 sco_demo_send(sco_handle); 481 break; 482 case HCI_EVENT_COMMAND_COMPLETE: 483 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 484 dump_supported_codecs(); 485 } 486 break; 487 default: 488 break; 489 } 490 491 if (hci_event_packet_get_type(event) != HCI_EVENT_HFP_META) return; 492 493 switch (hci_event_hfp_meta_get_subevent_code(event)) { 494 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 495 status = hfp_subevent_service_level_connection_established_get_status(event); 496 if (status != ERROR_CODE_SUCCESS){ 497 printf("Connection failed, status 0x%02x\n", status); 498 break; 499 } 500 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 501 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 502 printf("Service level connection established to %s.\n", bd_addr_to_str(device_addr)); 503 dump_supported_codecs(); 504 #ifndef HAVE_BTSTACK_STDIN 505 log_info("Establish Audio connection %s", bd_addr_to_str(device_addr)); 506 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 507 hfp_ag_establish_audio_connection(acl_handle); 508 #endif 509 break; 510 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 511 printf("Service level connection released.\n"); 512 acl_handle = HCI_CON_HANDLE_INVALID; 513 break; 514 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 515 if (hfp_subevent_audio_connection_established_get_status(event) != ERROR_CODE_SUCCESS){ 516 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 517 } else { 518 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 519 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 520 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 521 switch (negotiated_codec){ 522 case 0x01: 523 printf("Using CVSD codec.\n"); 524 break; 525 case 0x02: 526 printf("Using mSBC codec.\n"); 527 break; 528 default: 529 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 530 break; 531 } 532 sco_demo_set_codec(negotiated_codec); 533 hci_request_sco_can_send_now_event(); 534 } 535 break; 536 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 537 printf("Audio connection released\n"); 538 sco_handle = HCI_CON_HANDLE_INVALID; 539 sco_demo_close(); 540 break; 541 case HFP_SUBEVENT_START_RINGINIG: 542 printf("Start Ringing\n"); 543 break; 544 case HFP_SUBEVENT_STOP_RINGINIG: 545 printf("Stop Ringing\n"); 546 break; 547 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 548 printf("Outgoing call '%s'\n", hfp_subevent_place_call_with_number_get_number(event)); 549 // validate number 550 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 551 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 552 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 553 printf("Dial string valid: accept call\n"); 554 hfp_ag_outgoing_call_accepted(); 555 } else { 556 printf("Dial string invalid: reject call\n"); 557 hfp_ag_outgoing_call_rejected(); 558 } 559 break; 560 561 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 562 printf("Attach number to voice tag. Sending '1234567\n"); 563 hfp_ag_send_phone_number_for_voice_tag(acl_handle, "1234567"); 564 break; 565 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 566 printf("Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 567 hfp_ag_send_dtmf_code_done(acl_handle); 568 break; 569 case HFP_SUBEVENT_CALL_ANSWERED: 570 printf("Call answered by HF\n"); 571 break; 572 573 case HFP_SUBEVENT_VOICE_RECOGNITION_STATUS: 574 status = hfp_subevent_voice_recognition_status_get_status(event); 575 if (status != ERROR_CODE_SUCCESS){ 576 printf("Voice Recognition command failed\n"); 577 break; 578 } 579 switch(hfp_subevent_voice_recognition_status_get_state(event)){ 580 case 0: 581 printf("\nVoice recognition status DEACTIVATED\n\n"); 582 break; 583 case 1: 584 printf("\nVoice recognition status ACTIVATED\n\n"); 585 break; 586 default: 587 btstack_assert(false); 588 break; 589 } 590 break; 591 592 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 593 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 594 if (status != ERROR_CODE_SUCCESS){ 595 printf("Enhanced Voice recognition READY FOR AUDIO cmd failed\n"); 596 break; 597 } 598 printf("\nEnhanced Voice recognition status READY FOR AUDIO\n\n"); 599 break; 600 601 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 602 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 603 if (status != ERROR_CODE_SUCCESS){ 604 printf("Enhanced Voice recognition AG READY TO ACCEPT AUDIO INPU cmd failed\n"); 605 break; 606 } 607 printf("\nEnhanced Voice recognition AG status: AG READY TO ACCEPT AUDIO INPUT\n\n"); 608 break; 609 610 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 611 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 612 if (status != ERROR_CODE_SUCCESS){ 613 printf("Enhanced Voice recognition AG IS STARTING SOUND cmd failed\n"); 614 break; 615 } 616 printf("\nEnhanced Voice recognition AG status: AG IS STARTING SOUND\n\n"); 617 break; 618 619 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 620 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 621 if (status != ERROR_CODE_SUCCESS){ 622 printf("Enhanced Voice recognition AG IS PROCESSING AUDIO INPUT cmd failed\n"); 623 break; 624 } 625 printf("\nEnhanced Voice recognition AG status: AG IS PROCESSING AUDIO INPUT\n\n"); 626 break; 627 628 default: 629 break; 630 } 631 break; 632 case HCI_SCO_DATA_PACKET: 633 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 634 sco_demo_receive(event, event_size); 635 break; 636 default: 637 break; 638 } 639 } 640 641 static hfp_phone_number_t subscriber_number = { 642 129, "225577" 643 }; 644 645 /* @section Main Application Setup 646 * 647 * @text Listing MainConfiguration shows main application code. 648 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 649 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 650 * The stdin_process callback allows for sending commands to the HFP HF. 651 * At the end the Bluetooth stack is started. 652 */ 653 654 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 655 656 int btstack_main(int argc, const char * argv[]); 657 int btstack_main(int argc, const char * argv[]){ 658 (void)argc; 659 (void)argv; 660 661 sco_demo_init(); 662 663 gap_set_local_name("HFP AG Demo 00:00:00:00:00:00"); 664 gap_discoverable_control(1); 665 666 // L2CAP 667 l2cap_init(); 668 669 uint16_t supported_features = 670 (1<<HFP_AGSF_ESCO_S4) | 671 (1<<HFP_AGSF_HF_INDICATORS) | 672 (1<<HFP_AGSF_CODEC_NEGOTIATION) | 673 (1<<HFP_AGSF_EXTENDED_ERROR_RESULT_CODES) | 674 (1<<HFP_AGSF_ENHANCED_CALL_CONTROL) | 675 (1<<HFP_AGSF_ENHANCED_CALL_STATUS) | 676 (1<<HFP_AGSF_ABILITY_TO_REJECT_A_CALL) | 677 (1<<HFP_AGSF_IN_BAND_RING_TONE) | 678 (1<<HFP_AGSF_VOICE_RECOGNITION_FUNCTION) | 679 (1<<HFP_AGSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 680 (1<<HFP_AGSF_THREE_WAY_CALLING); 681 int wide_band_speech = 1; 682 683 // HFP 684 rfcomm_init(); 685 hfp_ag_init(rfcomm_channel_nr); 686 hfp_ag_init_supported_features(supported_features); 687 hfp_ag_init_codecs(sizeof(codecs), codecs); 688 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 689 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 690 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 691 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 692 693 // SDP Server 694 sdp_init(); 695 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 696 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, supported_features, wide_band_speech); 697 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 698 sdp_register_service(hfp_service_buffer); 699 700 // register for HCI events and SCO packets 701 hci_event_callback_registration.callback = &packet_handler; 702 hci_add_event_handler(&hci_event_callback_registration); 703 hci_register_sco_packet_handler(&packet_handler); 704 705 // register for HFP events 706 hfp_ag_register_packet_handler(&packet_handler); 707 708 // parse human readable Bluetooth address 709 sscanf_bd_addr(device_addr_string, device_addr); 710 711 #ifdef HAVE_BTSTACK_STDIN 712 btstack_stdin_setup(stdin_process); 713 #endif 714 // turn on! 715 hci_power_control(HCI_POWER_ON); 716 return 0; 717 } 718 /* LISTING_END */ 719 /* EXAMPLE_END */ 720