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 BLUEKITCHEN 24 * GMBH 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:71:03"; 74 75 static uint8_t codecs[] = { 76 HFP_CODEC_CVSD, 77 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 78 HFP_CODEC_MSBC, 79 #endif 80 #ifdef ENABLE_HFP_SUPER_WIDE_BAND_SPEECH 81 HFP_CODEC_LC3_SWB, 82 #endif 83 }; 84 85 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 86 87 static hci_con_handle_t acl_handle = HCI_CON_HANDLE_INVALID; 88 static hci_con_handle_t sco_handle = HCI_CON_HANDLE_INVALID; 89 static int memory_1_enabled = 1; 90 static btstack_packet_callback_registration_t hci_event_callback_registration; 91 92 static btstack_timer_source_t hfp_outgoing_call_ringing_timer; 93 94 static int ag_indicators_nr = 7; 95 static hfp_ag_indicator_t ag_indicators[] = { 96 // index, name, min range, max range, status, mandatory, enabled, status changed 97 {1, "service", 0, 1, 1, 0, 0, 0}, 98 {2, "call", 0, 1, 0, 1, 1, 0}, 99 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 100 {4, "battchg", 0, 5, 3, 0, 0, 0}, 101 {5, "signal", 0, 5, 5, 0, 1, 0}, 102 {6, "roam", 0, 1, 0, 0, 1, 0}, 103 {7, "callheld", 0, 2, 0, 1, 1, 0} 104 }; 105 106 static int call_hold_services_nr = 5; 107 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 108 109 static int hf_indicators_nr = 2; 110 static hfp_generic_status_indicator_t hf_indicators[] = { 111 {1, 1}, 112 {2, 1}, 113 }; 114 115 static hfp_voice_recognition_message_t msg = { 116 0xABCD, HFP_TEXT_TYPE_MESSAGE_FROM_AG, HFP_TEXT_OPERATION_REPLACE, "The temperature in Munich is 30 degrees." 117 }; 118 119 #define INQUIRY_INTERVAL 5 120 121 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 122 enum STATE state = INIT; 123 124 static void dump_supported_codecs(void){ 125 printf("Supported codecs: CVSD"); 126 if (hci_extended_sco_link_supported()) { 127 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 128 printf(", mSBC"); 129 #endif 130 #ifdef ENABLE_HFP_SUPER_WIDE_BAND_SPEECH 131 printf(", LC3-SWB"); 132 #endif 133 printf("\n"); 134 } else { 135 printf("\nmSBC and/or LC3-SWB disabled as eSCO not supported by local controller.\n"); 136 } 137 } 138 139 #ifdef HAVE_BTSTACK_STDIN 140 // Testig User Interface 141 static void show_usage(void){ 142 bd_addr_t iut_address; 143 gap_local_bd_addr(iut_address); 144 145 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 146 printf("\n"); 147 148 printf("a - establish HFP connection to %s\n", bd_addr_to_str(device_addr)); 149 // printf("A - release HFP connection\n"); 150 151 printf("b - establish AUDIO connection | B - release AUDIO connection\n"); 152 printf("c - simulate incoming call from 1234567 | C - simulate call from 1234567 dropped\n"); 153 printf("P - simulate outgoing call from 1234567 | R - establish outgoing call\n"); 154 printf("d - report AG failure\n"); 155 printf("D - delete all link keys\n"); 156 printf("e - answer call on AG | E - terminate call on AG\n"); 157 printf("r - disable in-band ring tone | R - enable in-band ring tone\n"); 158 printf("f - Disable cellular network | F - Enable cellular network\n"); 159 printf("g - Set signal strength to 0 | G - Set signal strength to 5\n"); 160 printf("h - Disable roaming | H - Enable roaming\n"); 161 printf("i - Set battery level to 3 | I - Set battery level to 5\n"); 162 printf("j - Answering call on remote side\n"); 163 printf("k - Clear memory #1 | K - Set memory #1\n"); 164 printf("l - Clear last number | L - Set last number\n"); 165 printf("m - simulate incoming call from 7654321\n"); 166 // printf("M - simulate call from 7654321 dropped\n"); 167 printf("n - Disable Voice Recognition | N - Enable Voice Recognition\n"); 168 printf("1 - EVR play sound | 2 - EVR report ready for audio input\n"); 169 printf("3 - EVR report processing input | 4 - EVR send message\n"); 170 171 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 172 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 173 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 174 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 175 printf("t - terminate connection\n"); 176 printf("u - join held call\n"); 177 printf("v - discover nearby HF units\n"); 178 printf("w - put incoming call on hold (Response and Hold)\n"); 179 printf("x - accept held incoming call (Response and Hold)\n"); 180 printf("X - reject held incoming call (Response and Hold)\n"); 181 printf("---\n"); 182 } 183 184 static void stdin_process(char cmd){ 185 uint8_t status = ERROR_CODE_SUCCESS; 186 187 switch (cmd){ 188 case 'a': 189 log_info("USER:\'%c\'", cmd); 190 printf("Establish HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 191 status = hfp_ag_establish_service_level_connection(device_addr); 192 break; 193 case 'A': 194 log_info("USER:\'%c\'", cmd); 195 printf("Release HFP service level connection.\n"); 196 status = hfp_ag_release_service_level_connection(acl_handle); 197 break; 198 199 case 'b': 200 log_info("USER:\'%c\'", cmd); 201 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 202 status = hfp_ag_establish_audio_connection(acl_handle); 203 break; 204 case 'B': 205 log_info("USER:\'%c\'", cmd); 206 printf("Release Audio connection.\n"); 207 status = hfp_ag_release_audio_connection(acl_handle); 208 break; 209 case 'c': 210 log_info("USER:\'%c\'", cmd); 211 printf("Simulate incoming call from 1234567\n"); 212 hfp_ag_set_clip(129, "1234567"); 213 hfp_ag_incoming_call(); 214 break; 215 case '5': 216 log_info("USER:\'%c\'", cmd); 217 printf("Initiate outgoing call from 1234567\n"); 218 hfp_ag_set_clip(129, "1234567"); 219 hfp_ag_outgoing_call_initiated(); 220 break; 221 case '6': 222 log_info("USER:\'%c\'", cmd); 223 printf("Establish outgoing call\n"); 224 hfp_ag_outgoing_call_established(); 225 break; 226 case 'D': 227 printf("Deleting all link keys\n"); 228 gap_delete_all_link_keys(); 229 break; 230 case 'm': 231 log_info("USER:\'%c\'", cmd); 232 printf("Simulate incoming call from 7654321\n"); 233 hfp_ag_set_clip(129, "7654321"); 234 hfp_ag_incoming_call(); 235 break; 236 case 'C': 237 log_info("USER:\'%c\'", cmd); 238 printf("Simulate terminate call\n"); 239 hfp_ag_call_dropped(); 240 break; 241 case 'd': 242 log_info("USER:\'%c\'", cmd); 243 printf("Report AG failure\n"); 244 status = hfp_ag_report_extended_audio_gateway_error_result_code(acl_handle, HFP_CME_ERROR_AG_FAILURE); 245 break; 246 case 'e': 247 log_info("USER:\'%c\'", cmd); 248 printf("Answer call on AG\n"); 249 hfp_ag_answer_incoming_call(); 250 break; 251 case 'E': 252 log_info("USER:\'%c\'", cmd); 253 printf("Terminate call on AG\n"); 254 hfp_ag_terminate_call(); 255 break; 256 case 'f': 257 log_info("USER:\'%c\'", cmd); 258 printf("Disable cellular network\n"); 259 status = hfp_ag_set_registration_status(0); 260 break; 261 case 'F': 262 log_info("USER:\'%c\'", cmd); 263 printf("Enable cellular network\n"); 264 status = hfp_ag_set_registration_status(1); 265 break; 266 case 'g': 267 log_info("USER:\'%c\'", cmd); 268 printf("Set signal strength to 0\n"); 269 status = hfp_ag_set_signal_strength(0); 270 break; 271 case 'G': 272 log_info("USER:\'%c\'", cmd); 273 printf("Set signal strength to 5\n"); 274 status = hfp_ag_set_signal_strength(5); 275 break; 276 case 'h': 277 log_info("USER:\'%c\'", cmd); 278 printf("Disable roaming\n"); 279 status = hfp_ag_set_roaming_status(0); 280 break; 281 case 'H': 282 log_info("USER:\'%c\'", cmd); 283 printf("Enable roaming\n"); 284 status = hfp_ag_set_roaming_status(1); 285 break; 286 case 'i': 287 log_info("USER:\'%c\'", cmd); 288 printf("Set battery level to 3\n"); 289 status = hfp_ag_set_battery_level(3); 290 break; 291 case 'I': 292 log_info("USER:\'%c\'", cmd); 293 printf("Set battery level to 5\n"); 294 status = hfp_ag_set_battery_level(5); 295 break; 296 case 'j': 297 log_info("USER:\'%c\'", cmd); 298 printf("Answering call on remote side\n"); 299 hfp_ag_outgoing_call_established(); 300 break; 301 case 'r': 302 log_info("USER:\'%c\'", cmd); 303 printf("Disable in-band ring tone\n"); 304 hfp_ag_set_use_in_band_ring_tone(0); 305 break; 306 case 'k': 307 log_info("USER:\'%c\'", cmd); 308 printf("Memory 1 cleared\n"); 309 memory_1_enabled = 0; 310 break; 311 case 'K': 312 log_info("USER:\'%c\'", cmd); 313 printf("Memory 1 set\n"); 314 memory_1_enabled = 1; 315 break; 316 case 'l': 317 log_info("USER:\'%c\'", cmd); 318 printf("Last dialed number cleared\n"); 319 hfp_ag_clear_last_dialed_number(); 320 break; 321 case 'L': 322 log_info("USER:\'%c\'", cmd); 323 printf("Outgoing call connected, ringing\n"); 324 hfp_ag_outgoing_call_ringing(); 325 break; 326 case 'n': 327 log_info("USER:\'%c\'", cmd); 328 printf("Disable Voice Recognition\n"); 329 status = hfp_ag_deactivate_voice_recognition(acl_handle); 330 break; 331 case 'N': 332 log_info("USER:\'%c\'", cmd); 333 printf("Enable Voice Recognition\n"); 334 status = hfp_ag_activate_voice_recognition(acl_handle); 335 break; 336 337 case '1': 338 log_info("USER:\'%c\'", cmd); 339 printf("Enhanced_Voice Recognition: play sound\n"); 340 status = hfp_ag_enhanced_voice_recognition_report_sending_audio(acl_handle); 341 break; 342 case '2': 343 log_info("USER:\'%c\'", cmd); 344 printf("Enhanced_Voice Recognition: report ready for audio input\n"); 345 status = hfp_ag_enhanced_voice_recognition_report_ready_for_audio(acl_handle); 346 break; 347 case '3': 348 log_info("USER:\'%c\'", cmd); 349 printf("Enhanced_Voice Recognition: report processing input\n"); 350 status = hfp_ag_enhanced_voice_recognition_report_processing_input(acl_handle); 351 break; 352 case '4': 353 log_info("USER:\'%c\'", cmd); 354 printf("Enhanced_Voice Recognition: send message\n"); 355 status = hfp_ag_enhanced_voice_recognition_send_message(acl_handle, HFP_VOICE_RECOGNITION_STATE_AG_READY_TO_ACCEPT_AUDIO_INPUT, msg); 356 break; 357 358 case 'o': 359 log_info("USER:\'%c\'", cmd); 360 printf("Set speaker gain to 0 (minimum)\n"); 361 status = hfp_ag_set_speaker_gain(acl_handle, 0); 362 break; 363 case 'O': 364 log_info("USER:\'%c\'", cmd); 365 printf("Set speaker gain to 9 (default)\n"); 366 status = hfp_ag_set_speaker_gain(acl_handle, 9); 367 break; 368 case 'p': 369 log_info("USER:\'%c\'", cmd); 370 printf("Set speaker gain to 12 (higher)\n"); 371 status = hfp_ag_set_speaker_gain(acl_handle, 12); 372 break; 373 case 'P': 374 log_info("USER:\'%c\'", cmd); 375 printf("Set speaker gain to 15 (maximum)\n"); 376 status = hfp_ag_set_speaker_gain(acl_handle, 15); 377 break; 378 case 'q': 379 log_info("USER:\'%c\'", cmd); 380 printf("Set microphone gain to 0\n"); 381 status = hfp_ag_set_microphone_gain(acl_handle, 0); 382 break; 383 case 'Q': 384 log_info("USER:\'%c\'", cmd); 385 printf("Set microphone gain to 9\n"); 386 status = hfp_ag_set_microphone_gain(acl_handle, 9); 387 break; 388 case 's': 389 log_info("USER:\'%c\'", cmd); 390 printf("Set microphone gain to 12\n"); 391 status = hfp_ag_set_microphone_gain(acl_handle, 12); 392 break; 393 case 'S': 394 log_info("USER:\'%c\'", cmd); 395 printf("Set microphone gain to 15\n"); 396 status = hfp_ag_set_microphone_gain(acl_handle, 15); 397 break; 398 case 'R': 399 log_info("USER:\'%c\'", cmd); 400 printf("Enable in-band ring tone\n"); 401 hfp_ag_set_use_in_band_ring_tone(1); 402 break; 403 case 't': 404 log_info("USER:\'%c\'", cmd); 405 printf("Terminate HCI connection. 0x%2x\n", acl_handle); 406 gap_disconnect(acl_handle); 407 break; 408 case 'u': 409 log_info("USER:\'%c\'", cmd); 410 printf("Join held call\n"); 411 hfp_ag_join_held_call(); 412 break; 413 case 'v': 414 printf("Start scanning...\n"); 415 gap_inquiry_start(INQUIRY_INTERVAL); 416 break; 417 case 'w': 418 log_info("USER:\'%c\'", cmd); 419 printf("AG: Put incoming call on hold (Response and Hold)\n"); 420 hfp_ag_hold_incoming_call(); 421 break; 422 case 'x': 423 log_info("USER:\'%c\'", cmd); 424 printf("AG: Accept held incoming call (Response and Hold)\n"); 425 hfp_ag_accept_held_incoming_call(); 426 break; 427 case 'X': 428 log_info("USER:\'%c\'", cmd); 429 printf("AG: Reject held incoming call (Response and Hold)\n"); 430 hfp_ag_reject_held_incoming_call(); 431 break; 432 default: 433 show_usage(); 434 break; 435 } 436 437 if (status != ERROR_CODE_SUCCESS){ 438 printf("Could not perform command, status 0x%02x\n", status); 439 } 440 } 441 #endif 442 443 static void report_status(uint8_t status, const char * message){ 444 if (status != ERROR_CODE_SUCCESS){ 445 printf("%s command failed, status 0x%02x\n", message, status); 446 } else { 447 printf("%s command successful\n", message); 448 } 449 } 450 451 static void hfp_outgoing_call_ringing_handler(btstack_timer_source_t * timer){ 452 UNUSED(timer); 453 printf("Simulate call connected -> start ringing\n"); 454 hfp_ag_outgoing_call_ringing(); 455 } 456 457 static void hfp_outgoing_call_ringing_start(void){ 458 btstack_run_loop_set_timer_handler(&hfp_outgoing_call_ringing_timer, hfp_outgoing_call_ringing_handler); 459 btstack_run_loop_set_timer(&hfp_outgoing_call_ringing_timer, 1000); // 1 second timeout 460 btstack_run_loop_add_timer(&hfp_outgoing_call_ringing_timer); 461 } 462 463 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 464 UNUSED(channel); 465 bd_addr_t addr; 466 uint8_t status; 467 switch (packet_type){ 468 case HCI_EVENT_PACKET: 469 switch(hci_event_packet_get_type(event)){ 470 case BTSTACK_EVENT_STATE: 471 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 472 dump_supported_codecs(); 473 #ifndef HAVE_BTSTACK_STDIN 474 printf("Establish HFP AG service level connection to %s...\n", bd_addr_to_str(device_addr)); 475 hfp_ag_establish_service_level_connection(device_addr); 476 #endif 477 break; 478 case GAP_EVENT_INQUIRY_RESULT: 479 gap_event_inquiry_result_get_bd_addr(event, addr); 480 // print info 481 printf("Device found: %s ", bd_addr_to_str(addr)); 482 printf("with COD: 0x%06x, ", (unsigned int) gap_event_inquiry_result_get_class_of_device(event)); 483 if (gap_event_inquiry_result_get_rssi_available(event)){ 484 printf(", rssi %d dBm", (int8_t) gap_event_inquiry_result_get_rssi(event)); 485 } 486 if (gap_event_inquiry_result_get_name_available(event)){ 487 char name_buffer[240]; 488 int name_len = gap_event_inquiry_result_get_name_len(event); 489 memcpy(name_buffer, gap_event_inquiry_result_get_name(event), name_len); 490 name_buffer[name_len] = 0; 491 printf(", name '%s'", name_buffer); 492 } 493 printf("\n"); 494 break; 495 case GAP_EVENT_INQUIRY_COMPLETE: 496 printf("Inquiry scan complete.\n"); 497 break; 498 case HCI_EVENT_SCO_CAN_SEND_NOW: 499 sco_demo_send(sco_handle); 500 break; 501 default: 502 break; 503 } 504 505 if (hci_event_packet_get_type(event) != HCI_EVENT_HFP_META) return; 506 507 switch (hci_event_hfp_meta_get_subevent_code(event)) { 508 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 509 status = hfp_subevent_service_level_connection_established_get_status(event); 510 if (status != ERROR_CODE_SUCCESS){ 511 printf("Connection failed, status 0x%02x\n", status); 512 break; 513 } 514 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 515 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 516 printf("Service level connection established to %s.\n", bd_addr_to_str(device_addr)); 517 dump_supported_codecs(); 518 #ifndef HAVE_BTSTACK_STDIN 519 log_info("Establish Audio connection %s", bd_addr_to_str(device_addr)); 520 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 521 hfp_ag_establish_audio_connection(acl_handle); 522 #endif 523 break; 524 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 525 printf("Service level connection released.\n"); 526 acl_handle = HCI_CON_HANDLE_INVALID; 527 break; 528 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 529 if (hfp_subevent_audio_connection_established_get_status(event) != ERROR_CODE_SUCCESS){ 530 printf("Audio connection establishment failed with status 0x%02x\n", hfp_subevent_audio_connection_established_get_status(event)); 531 } else { 532 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 533 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 534 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 535 switch (negotiated_codec){ 536 case HFP_CODEC_CVSD: 537 printf("Using CVSD codec.\n"); 538 break; 539 case HFP_CODEC_MSBC: 540 printf("Using mSBC codec.\n"); 541 break; 542 case HFP_CODEC_LC3_SWB: 543 printf("Using LC3-SWB codec.\n"); 544 break; 545 default: 546 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 547 break; 548 } 549 sco_demo_set_codec(negotiated_codec); 550 hci_request_sco_can_send_now_event(); 551 } 552 break; 553 554 case HFP_SUBEVENT_CALL_ANSWERED: 555 printf("Call answered\n"); 556 break; 557 558 case HFP_SUBEVENT_CALL_TERMINATED: 559 printf("Call terminated\n"); 560 break; 561 562 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 563 printf("Audio connection released\n"); 564 sco_handle = HCI_CON_HANDLE_INVALID; 565 sco_demo_close(); 566 break; 567 568 case HFP_SUBEVENT_SPEAKER_VOLUME: 569 printf("Speaker volume: gain %u\n", 570 hfp_subevent_speaker_volume_get_gain(event)); 571 break; 572 case HFP_SUBEVENT_MICROPHONE_VOLUME: 573 printf("Microphone volume: gain %u\n", 574 hfp_subevent_microphone_volume_get_gain(event)); 575 break; 576 577 case HFP_SUBEVENT_START_RINGING: 578 printf("** START Ringing **\n"); 579 break; 580 case HFP_SUBEVENT_RING: 581 printf("** Ring **\n"); 582 break; 583 case HFP_SUBEVENT_STOP_RINGING: 584 printf("** STOP Ringing **\n"); 585 break; 586 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 587 printf("Outgoing call '%s'\n", hfp_subevent_place_call_with_number_get_number(event)); 588 // validate number 589 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 590 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 591 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 592 printf("Dial string valid: accept call\n"); 593 hfp_ag_outgoing_call_accepted(); 594 hfp_outgoing_call_ringing_start(); 595 } else { 596 printf("Dial string invalid: reject call\n"); 597 hfp_ag_outgoing_call_rejected(); 598 } 599 break; 600 601 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 602 printf("Attach number to voice tag. Sending '1234567\n"); 603 hfp_ag_send_phone_number_for_voice_tag(acl_handle, "1234567"); 604 break; 605 606 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 607 printf("Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 608 hfp_ag_send_dtmf_code_done(acl_handle); 609 break; 610 611 case HFP_SUBEVENT_VOICE_RECOGNITION_ACTIVATED: 612 status = hfp_subevent_voice_recognition_activated_get_status(event); 613 if (status != ERROR_CODE_SUCCESS){ 614 printf("Voice Recognition Activate command failed\n"); 615 break; 616 } 617 618 switch (hfp_subevent_voice_recognition_activated_get_enhanced(event)){ 619 case 0: 620 printf("\nVoice recognition ACTVATED\n\n"); 621 break; 622 default: 623 printf("\nEnhanced voice recognition ACTVATED\n\n"); 624 break; 625 } 626 break; 627 628 case HFP_SUBEVENT_VOICE_RECOGNITION_DEACTIVATED: 629 status = hfp_subevent_voice_recognition_deactivated_get_status(event); 630 if (status != ERROR_CODE_SUCCESS){ 631 printf("Voice Recognition Deactivate command failed\n"); 632 break; 633 } 634 printf("\nVoice Recognition DEACTIVATED\n\n"); 635 break; 636 637 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 638 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 639 report_status(status, "Enhanced Voice recognition: READY FOR AUDIO"); 640 break; 641 642 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 643 status = hfp_subevent_enhanced_voice_recognition_ag_ready_to_accept_audio_input_get_status(event); 644 report_status(status, "Enhanced Voice recognition: AG READY TO ACCEPT AUDIO INPUT"); 645 break; 646 647 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 648 status = hfp_subevent_enhanced_voice_recognition_ag_is_starting_sound_get_status(event); 649 report_status(status, "Enhanced Voice recognition: AG IS STARTING SOUND"); 650 break; 651 652 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 653 status = hfp_subevent_enhanced_voice_recognition_ag_is_processing_audio_input_get_status(event); 654 report_status(status, "Enhanced Voice recognition: AG IS PROCESSING AUDIO INPUT"); 655 break; 656 657 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_MESSAGE_SENT: 658 status = hfp_subevent_enhanced_voice_recognition_ag_message_sent_get_status(event); 659 report_status(status, "Enhanced Voice recognition: AG MESSAGE SENT"); 660 printf("Enhanced Voice recognition: \'%s\'\n\n", msg.text); 661 break; 662 663 case HFP_SUBEVENT_ECHO_CANCELING_AND_NOISE_REDUCTION_DEACTIVATE: 664 status = hfp_subevent_echo_canceling_and_noise_reduction_deactivate_get_status(event); 665 report_status(status, "Echo Canceling and Noise Reduction Deactivate"); 666 break; 667 668 case HFP_SUBEVENT_HF_INDICATOR: 669 switch (hfp_subevent_hf_indicator_get_uuid(event)){ 670 case HFP_HF_INDICATOR_UUID_ENHANCED_SAFETY: 671 printf("Received ENHANCED SAFETY indicator, value %d\n", hfp_subevent_hf_indicator_get_value(event)); 672 break; 673 case HFP_HF_INDICATOR_UUID_BATTERY_LEVEL: 674 printf("Received BATTERY LEVEL indicator, value %d\n", hfp_subevent_hf_indicator_get_value(event)); 675 break; 676 default: 677 printf("Received HF INDICATOR indicator, UUID 0x%4x, value %d\n", hfp_subevent_hf_indicator_get_uuid(event), hfp_subevent_hf_indicator_get_value(event)); 678 break; 679 } 680 break; 681 case HFP_SUBEVENT_APPLE_ACCESSORY_INFORMATION: 682 printf("Apple Accessory support: Vendor ID %04x, Product ID %04x, Version: %s, Features %u\n", 683 hfp_subevent_apple_accessory_information_get_vendor_id(event), 684 hfp_subevent_apple_accessory_information_get_product_id(event), 685 hfp_subevent_apple_accessory_information_get_version(event), 686 hfp_subevent_apple_accessory_information_get_features(event)); 687 break; 688 default: 689 break; 690 } 691 break; 692 case HCI_SCO_DATA_PACKET: 693 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 694 sco_demo_receive(event, event_size); 695 break; 696 default: 697 break; 698 } 699 } 700 701 static hfp_phone_number_t subscriber_number = { 702 129, "225577" 703 }; 704 705 /* @section Main Application Setup 706 * 707 * @text Listing MainConfiguration shows main application code. 708 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 709 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 710 * The stdin_process callback allows for sending commands to the HFP HF. 711 * At the end the Bluetooth stack is started. 712 */ 713 714 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 715 716 int btstack_main(int argc, const char * argv[]); 717 int btstack_main(int argc, const char * argv[]){ 718 (void)argc; 719 (void)argv; 720 721 sco_demo_init(); 722 723 // Request role change on reconnecting headset to always use them in slave mode 724 hci_set_master_slave_policy(0); 725 726 gap_set_local_name("HFP AG Demo 00:00:00:00:00:00"); 727 gap_discoverable_control(1); 728 729 // L2CAP 730 l2cap_init(); 731 732 #ifdef ENABLE_BLE 733 // Initialize LE Security Manager. Needed for cross-transport key derivation 734 sm_init(); 735 #endif 736 737 uint16_t supported_features = 738 (1<<HFP_AGSF_ESCO_S4) | 739 (1<<HFP_AGSF_HF_INDICATORS) | 740 (1<<HFP_AGSF_CODEC_NEGOTIATION) | 741 (1<<HFP_AGSF_EXTENDED_ERROR_RESULT_CODES) | 742 (1<<HFP_AGSF_ENHANCED_CALL_CONTROL) | 743 (1<<HFP_AGSF_ENHANCED_CALL_STATUS) | 744 (1<<HFP_AGSF_ABILITY_TO_REJECT_A_CALL) | 745 (1<<HFP_AGSF_IN_BAND_RING_TONE) | 746 (1<<HFP_AGSF_VOICE_RECOGNITION_FUNCTION) | 747 (1<<HFP_AGSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 748 (1<<HFP_AGSF_VOICE_RECOGNITION_TEXT) | 749 (1<<HFP_AGSF_EC_NR_FUNCTION) | 750 (1<<HFP_AGSF_THREE_WAY_CALLING); 751 752 // HFP 753 rfcomm_init(); 754 hfp_ag_init(rfcomm_channel_nr); 755 hfp_ag_init_supported_features(supported_features); 756 hfp_ag_init_codecs(sizeof(codecs), codecs); 757 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 758 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 759 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 760 hfp_ag_init_apple_identification("BTstack", 0); 761 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 762 763 // SDP Server 764 sdp_init(); 765 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 766 hfp_ag_create_sdp_record_with_codecs( hfp_service_buffer, sdp_create_service_record_handle(), 767 rfcomm_channel_nr, hfp_ag_service_name, 0, supported_features, sizeof(codecs), codecs); 768 btstack_assert(de_get_len( hfp_service_buffer) <= sizeof(hfp_service_buffer)); 769 sdp_register_service(hfp_service_buffer); 770 771 // register for HCI events and SCO packets 772 hci_event_callback_registration.callback = &packet_handler; 773 hci_add_event_handler(&hci_event_callback_registration); 774 hci_register_sco_packet_handler(&packet_handler); 775 776 // register for HFP events 777 hfp_ag_register_packet_handler(&packet_handler); 778 779 // parse human readable Bluetooth address 780 sscanf_bd_addr(device_addr_string, device_addr); 781 782 #ifdef HAVE_BTSTACK_STDIN 783 btstack_stdin_setup(stdin_process); 784 #endif 785 // turn on! 786 hci_power_control(HCI_POWER_ON); 787 return 0; 788 } 789 /* LISTING_END */ 790 /* EXAMPLE_END */ 791