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:71:13"; 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 btstack_timer_source_t hfp_outgoing_call_ringing_timer; 89 90 static int ag_indicators_nr = 7; 91 static hfp_ag_indicator_t ag_indicators[] = { 92 // index, name, min range, max range, status, mandatory, enabled, status changed 93 {1, "service", 0, 1, 1, 0, 0, 0}, 94 {2, "call", 0, 1, 0, 1, 1, 0}, 95 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 96 {4, "battchg", 0, 5, 3, 0, 0, 0}, 97 {5, "signal", 0, 5, 5, 0, 1, 0}, 98 {6, "roam", 0, 1, 0, 0, 1, 0}, 99 {7, "callheld", 0, 2, 0, 1, 1, 0} 100 }; 101 102 static int call_hold_services_nr = 5; 103 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 104 105 static int hf_indicators_nr = 2; 106 static hfp_generic_status_indicator_t hf_indicators[] = { 107 {1, 1}, 108 {2, 1}, 109 }; 110 111 static hfp_voice_recognition_message_t msg = { 112 0xABCD, HFP_TEXT_TYPE_MESSAGE_FROM_AG, HFP_TEXT_OPERATION_REPLACE, "The temperature in Munich is 30 degrees." 113 }; 114 115 #define INQUIRY_INTERVAL 5 116 117 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 118 enum STATE state = INIT; 119 120 static void dump_supported_codecs(void){ 121 unsigned int i; 122 int mSBC_skipped = 0; 123 printf("Supported codecs: "); 124 for (i = 0; i < sizeof(codecs); i++){ 125 switch(codecs[i]){ 126 case HFP_CODEC_CVSD: 127 printf("CVSD"); 128 break; 129 case HFP_CODEC_MSBC: 130 if (hci_extended_sco_link_supported()){ 131 printf(", mSBC"); 132 } else { 133 mSBC_skipped = 1; 134 } 135 break; 136 default: 137 btstack_assert(false); 138 break; 139 } 140 } 141 printf("\n"); 142 if (mSBC_skipped){ 143 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 144 } 145 } 146 147 #ifdef HAVE_BTSTACK_STDIN 148 // Testig User Interface 149 static void show_usage(void){ 150 bd_addr_t iut_address; 151 gap_local_bd_addr(iut_address); 152 153 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 154 printf("\n"); 155 156 printf("a - establish HFP connection to %s\n", bd_addr_to_str(device_addr)); 157 // printf("A - release HFP connection\n"); 158 159 printf("b - establish AUDIO connection | B - release AUDIO connection\n"); 160 printf("c - simulate incoming call from 1234567 | C - simulate call from 1234567 dropped\n"); 161 printf("P - simulate outgoing call from 1234567 | R - establish outgoing call\n"); 162 printf("d - report AG failure\n"); 163 printf("D - delete all link keys\n"); 164 printf("e - answer call on AG | E - terminate call on AG\n"); 165 printf("r - disable in-band ring tone | R - enable in-band ring tone\n"); 166 printf("f - Disable cellular network | F - Enable cellular network\n"); 167 printf("g - Set signal strength to 0 | G - Set signal strength to 5\n"); 168 printf("h - Disable roaming | H - Enable roaming\n"); 169 printf("i - Set battery level to 3 | I - Set battery level to 5\n"); 170 printf("j - Answering call on remote side\n"); 171 printf("k - Clear memory #1 | K - Set memory #1\n"); 172 printf("l - Clear last number | L - Set last number\n"); 173 printf("m - simulate incoming call from 7654321\n"); 174 // printf("M - simulate call from 7654321 dropped\n"); 175 printf("n - Disable Voice Recognition | N - Enable Voice Recognition\n"); 176 printf("1 - EVR play sound | 2 - EVR report ready for audio input\n"); 177 printf("3 - EVR report processing input | 4 - EVR send message\n"); 178 179 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 180 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 181 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 182 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 183 printf("t - terminate connection\n"); 184 printf("u - join held call\n"); 185 printf("v - discover nearby HF units\n"); 186 printf("w - put incoming call on hold (Response and Hold)\n"); 187 printf("x - accept held incoming call (Response and Hold)\n"); 188 printf("X - reject held incoming call (Response and Hold)\n"); 189 printf("---\n"); 190 } 191 192 static void stdin_process(char cmd){ 193 uint8_t status = ERROR_CODE_SUCCESS; 194 195 switch (cmd){ 196 case 'a': 197 log_info("USER:\'%c\'", cmd); 198 printf("Establish HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 199 status = hfp_ag_establish_service_level_connection(device_addr); 200 break; 201 case 'A': 202 log_info("USER:\'%c\'", cmd); 203 printf("Release HFP service level connection.\n"); 204 status = hfp_ag_release_service_level_connection(acl_handle); 205 break; 206 207 case 'b': 208 log_info("USER:\'%c\'", cmd); 209 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 210 status = hfp_ag_establish_audio_connection(acl_handle); 211 break; 212 case 'B': 213 log_info("USER:\'%c\'", cmd); 214 printf("Release Audio connection.\n"); 215 status = hfp_ag_release_audio_connection(acl_handle); 216 break; 217 case 'c': 218 log_info("USER:\'%c\'", cmd); 219 printf("Simulate incoming call from 1234567\n"); 220 hfp_ag_set_clip(129, "1234567"); 221 hfp_ag_incoming_call(); 222 break; 223 case '5': 224 log_info("USER:\'%c\'", cmd); 225 printf("Initiate outgoing call from 1234567\n"); 226 hfp_ag_set_clip(129, "1234567"); 227 hfp_ag_outgoing_call_initiated(); 228 break; 229 case '6': 230 log_info("USER:\'%c\'", cmd); 231 printf("Establish outgoing call\n"); 232 hfp_ag_outgoing_call_established(); 233 break; 234 case 'D': 235 printf("Deleting all link keys\n"); 236 gap_delete_all_link_keys(); 237 break; 238 case 'm': 239 log_info("USER:\'%c\'", cmd); 240 printf("Simulate incoming call from 7654321\n"); 241 hfp_ag_set_clip(129, "7654321"); 242 hfp_ag_incoming_call(); 243 break; 244 case 'C': 245 log_info("USER:\'%c\'", cmd); 246 printf("Simulate terminate call\n"); 247 hfp_ag_call_dropped(); 248 break; 249 case 'd': 250 log_info("USER:\'%c\'", cmd); 251 printf("Report AG failure\n"); 252 status = hfp_ag_report_extended_audio_gateway_error_result_code(acl_handle, HFP_CME_ERROR_AG_FAILURE); 253 break; 254 case 'e': 255 log_info("USER:\'%c\'", cmd); 256 printf("Answer call on AG\n"); 257 hfp_ag_answer_incoming_call(); 258 break; 259 case 'E': 260 log_info("USER:\'%c\'", cmd); 261 printf("Terminate call on AG\n"); 262 hfp_ag_terminate_call(); 263 break; 264 case 'f': 265 log_info("USER:\'%c\'", cmd); 266 printf("Disable cellular network\n"); 267 status = hfp_ag_set_registration_status(0); 268 break; 269 case 'F': 270 log_info("USER:\'%c\'", cmd); 271 printf("Enable cellular network\n"); 272 status = hfp_ag_set_registration_status(1); 273 break; 274 case 'g': 275 log_info("USER:\'%c\'", cmd); 276 printf("Set signal strength to 0\n"); 277 status = hfp_ag_set_signal_strength(0); 278 break; 279 case 'G': 280 log_info("USER:\'%c\'", cmd); 281 printf("Set signal strength to 5\n"); 282 status = hfp_ag_set_signal_strength(5); 283 break; 284 case 'h': 285 log_info("USER:\'%c\'", cmd); 286 printf("Disable roaming\n"); 287 status = hfp_ag_set_roaming_status(0); 288 break; 289 case 'H': 290 log_info("USER:\'%c\'", cmd); 291 printf("Enable roaming\n"); 292 status = hfp_ag_set_roaming_status(1); 293 break; 294 case 'i': 295 log_info("USER:\'%c\'", cmd); 296 printf("Set battery level to 3\n"); 297 status = hfp_ag_set_battery_level(3); 298 break; 299 case 'I': 300 log_info("USER:\'%c\'", cmd); 301 printf("Set battery level to 5\n"); 302 status = hfp_ag_set_battery_level(5); 303 break; 304 case 'j': 305 log_info("USER:\'%c\'", cmd); 306 printf("Answering call on remote side\n"); 307 hfp_ag_outgoing_call_established(); 308 break; 309 case 'r': 310 log_info("USER:\'%c\'", cmd); 311 printf("Disable in-band ring tone\n"); 312 hfp_ag_set_use_in_band_ring_tone(0); 313 break; 314 case 'k': 315 log_info("USER:\'%c\'", cmd); 316 printf("Memory 1 cleared\n"); 317 memory_1_enabled = 0; 318 break; 319 case 'K': 320 log_info("USER:\'%c\'", cmd); 321 printf("Memory 1 set\n"); 322 memory_1_enabled = 1; 323 break; 324 case 'l': 325 log_info("USER:\'%c\'", cmd); 326 printf("Last dialed number cleared\n"); 327 hfp_ag_clear_last_dialed_number(); 328 break; 329 case 'L': 330 log_info("USER:\'%c\'", cmd); 331 printf("Outgoing call connected, ringing\n"); 332 hfp_ag_outgoing_call_ringing(); 333 break; 334 case 'n': 335 log_info("USER:\'%c\'", cmd); 336 printf("Disable Voice Recognition\n"); 337 status = hfp_ag_deactivate_voice_recognition(acl_handle); 338 break; 339 case 'N': 340 log_info("USER:\'%c\'", cmd); 341 printf("Enable Voice Recognition\n"); 342 status = hfp_ag_activate_voice_recognition(acl_handle); 343 break; 344 345 case '1': 346 log_info("USER:\'%c\'", cmd); 347 printf("Enhanced_Voice Recognition: play sound\n"); 348 status = hfp_ag_enhanced_voice_recognition_report_sending_audio(acl_handle); 349 break; 350 case '2': 351 log_info("USER:\'%c\'", cmd); 352 printf("Enhanced_Voice Recognition: report ready for audio input\n"); 353 status = hfp_ag_enhanced_voice_recognition_report_ready_for_audio(acl_handle); 354 break; 355 case '3': 356 log_info("USER:\'%c\'", cmd); 357 printf("Enhanced_Voice Recognition: report processing input\n"); 358 status = hfp_ag_enhanced_voice_recognition_report_processing_input(acl_handle); 359 break; 360 case '4': 361 log_info("USER:\'%c\'", cmd); 362 printf("Enhanced_Voice Recognition: send message\n"); 363 status = hfp_ag_enhanced_voice_recognition_send_message(acl_handle, HFP_VOICE_RECOGNITION_STATE_AG_READY_TO_ACCEPT_AUDIO_INPUT, msg); 364 break; 365 366 case 'o': 367 log_info("USER:\'%c\'", cmd); 368 printf("Set speaker gain to 0 (minimum)\n"); 369 status = hfp_ag_set_speaker_gain(acl_handle, 0); 370 break; 371 case 'O': 372 log_info("USER:\'%c\'", cmd); 373 printf("Set speaker gain to 9 (default)\n"); 374 status = hfp_ag_set_speaker_gain(acl_handle, 9); 375 break; 376 case 'p': 377 log_info("USER:\'%c\'", cmd); 378 printf("Set speaker gain to 12 (higher)\n"); 379 status = hfp_ag_set_speaker_gain(acl_handle, 12); 380 break; 381 case 'P': 382 log_info("USER:\'%c\'", cmd); 383 printf("Set speaker gain to 15 (maximum)\n"); 384 status = hfp_ag_set_speaker_gain(acl_handle, 15); 385 break; 386 case 'q': 387 log_info("USER:\'%c\'", cmd); 388 printf("Set microphone gain to 0\n"); 389 status = hfp_ag_set_microphone_gain(acl_handle, 0); 390 break; 391 case 'Q': 392 log_info("USER:\'%c\'", cmd); 393 printf("Set microphone gain to 9\n"); 394 status = hfp_ag_set_microphone_gain(acl_handle, 9); 395 break; 396 case 's': 397 log_info("USER:\'%c\'", cmd); 398 printf("Set microphone gain to 12\n"); 399 status = hfp_ag_set_microphone_gain(acl_handle, 12); 400 break; 401 case 'S': 402 log_info("USER:\'%c\'", cmd); 403 printf("Set microphone gain to 15\n"); 404 status = hfp_ag_set_microphone_gain(acl_handle, 15); 405 break; 406 case 'R': 407 log_info("USER:\'%c\'", cmd); 408 printf("Enable in-band ring tone\n"); 409 hfp_ag_set_use_in_band_ring_tone(1); 410 break; 411 case 't': 412 log_info("USER:\'%c\'", cmd); 413 printf("Terminate HCI connection. 0x%2x\n", acl_handle); 414 gap_disconnect(acl_handle); 415 break; 416 case 'u': 417 log_info("USER:\'%c\'", cmd); 418 printf("Join held call\n"); 419 hfp_ag_join_held_call(); 420 break; 421 case 'v': 422 printf("Start scanning...\n"); 423 gap_inquiry_start(INQUIRY_INTERVAL); 424 break; 425 case 'w': 426 log_info("USER:\'%c\'", cmd); 427 printf("AG: Put incoming call on hold (Response and Hold)\n"); 428 hfp_ag_hold_incoming_call(); 429 break; 430 case 'x': 431 log_info("USER:\'%c\'", cmd); 432 printf("AG: Accept held incoming call (Response and Hold)\n"); 433 hfp_ag_accept_held_incoming_call(); 434 break; 435 case 'X': 436 log_info("USER:\'%c\'", cmd); 437 printf("AG: Reject held incoming call (Response and Hold)\n"); 438 hfp_ag_reject_held_incoming_call(); 439 break; 440 default: 441 show_usage(); 442 break; 443 } 444 445 if (status != ERROR_CODE_SUCCESS){ 446 printf("Could not perform command, status 0x%02x\n", status); 447 } 448 } 449 #endif 450 451 static void report_status(uint8_t status, const char * message){ 452 if (status != ERROR_CODE_SUCCESS){ 453 printf("%s command failed, status 0x%02x\n", message, status); 454 } else { 455 printf("%s command successful\n", message); 456 } 457 } 458 459 static void hfp_outgoing_call_ringing_handler(btstack_timer_source_t * timer){ 460 UNUSED(timer); 461 printf("Simulate call connected -> start ringing\n"); 462 hfp_ag_outgoing_call_ringing(); 463 } 464 465 static void hfp_outgoing_call_ringing_start(void){ 466 btstack_run_loop_set_timer_handler(&hfp_outgoing_call_ringing_timer, hfp_outgoing_call_ringing_handler); 467 btstack_run_loop_set_timer(&hfp_outgoing_call_ringing_timer, 1000); // 1 second timeout 468 btstack_run_loop_add_timer(&hfp_outgoing_call_ringing_timer); 469 } 470 471 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 472 UNUSED(channel); 473 bd_addr_t addr; 474 uint8_t status; 475 switch (packet_type){ 476 case HCI_EVENT_PACKET: 477 switch(hci_event_packet_get_type(event)){ 478 case BTSTACK_EVENT_STATE: 479 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 480 dump_supported_codecs(); 481 #ifndef HAVE_BTSTACK_STDIN 482 printf("Establish HFP AG service level connection to %s...\n", bd_addr_to_str(device_addr)); 483 hfp_ag_establish_service_level_connection(device_addr); 484 #endif 485 break; 486 case GAP_EVENT_INQUIRY_RESULT: 487 gap_event_inquiry_result_get_bd_addr(event, addr); 488 // print info 489 printf("Device found: %s ", bd_addr_to_str(addr)); 490 printf("with COD: 0x%06x, ", (unsigned int) gap_event_inquiry_result_get_class_of_device(event)); 491 if (gap_event_inquiry_result_get_rssi_available(event)){ 492 printf(", rssi %d dBm", (int8_t) gap_event_inquiry_result_get_rssi(event)); 493 } 494 if (gap_event_inquiry_result_get_name_available(event)){ 495 char name_buffer[240]; 496 int name_len = gap_event_inquiry_result_get_name_len(event); 497 memcpy(name_buffer, gap_event_inquiry_result_get_name(event), name_len); 498 name_buffer[name_len] = 0; 499 printf(", name '%s'", name_buffer); 500 } 501 printf("\n"); 502 break; 503 case GAP_EVENT_INQUIRY_COMPLETE: 504 printf("Inquiry scan complete.\n"); 505 break; 506 case HCI_EVENT_SCO_CAN_SEND_NOW: 507 sco_demo_send(sco_handle); 508 break; 509 default: 510 break; 511 } 512 513 if (hci_event_packet_get_type(event) != HCI_EVENT_HFP_META) return; 514 515 switch (hci_event_hfp_meta_get_subevent_code(event)) { 516 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 517 status = hfp_subevent_service_level_connection_established_get_status(event); 518 if (status != ERROR_CODE_SUCCESS){ 519 printf("Connection failed, status 0x%02x\n", status); 520 break; 521 } 522 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 523 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 524 printf("Service level connection established to %s.\n", bd_addr_to_str(device_addr)); 525 dump_supported_codecs(); 526 #ifndef HAVE_BTSTACK_STDIN 527 log_info("Establish Audio connection %s", bd_addr_to_str(device_addr)); 528 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 529 hfp_ag_establish_audio_connection(acl_handle); 530 #endif 531 break; 532 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 533 printf("Service level connection released.\n"); 534 acl_handle = HCI_CON_HANDLE_INVALID; 535 break; 536 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 537 if (hfp_subevent_audio_connection_established_get_status(event) != ERROR_CODE_SUCCESS){ 538 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 539 } else { 540 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 541 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 542 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 543 switch (negotiated_codec){ 544 case 0x01: 545 printf("Using CVSD codec.\n"); 546 break; 547 case 0x02: 548 printf("Using mSBC codec.\n"); 549 break; 550 default: 551 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 552 break; 553 } 554 sco_demo_set_codec(negotiated_codec); 555 hci_request_sco_can_send_now_event(); 556 } 557 break; 558 559 case HFP_SUBEVENT_CALL_ANSWERED: 560 printf("Call answered\n"); 561 break; 562 563 case HFP_SUBEVENT_CALL_TERMINATED: 564 printf("Call terminated\n"); 565 break; 566 567 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 568 printf("Audio connection released\n"); 569 sco_handle = HCI_CON_HANDLE_INVALID; 570 sco_demo_close(); 571 break; 572 573 case HFP_SUBEVENT_SPEAKER_VOLUME: 574 printf("Speaker volume: gain %u\n", 575 hfp_subevent_speaker_volume_get_gain(event)); 576 break; 577 case HFP_SUBEVENT_MICROPHONE_VOLUME: 578 printf("Microphone volume: gain %u\n", 579 hfp_subevent_microphone_volume_get_gain(event)); 580 break; 581 582 case HFP_SUBEVENT_START_RINGING: 583 printf("** START Ringing **\n"); 584 break; 585 case HFP_SUBEVENT_RING: 586 printf("** Ring **\n"); 587 break; 588 case HFP_SUBEVENT_STOP_RINGING: 589 printf("** STOP Ringing **\n"); 590 break; 591 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 592 printf("Outgoing call '%s'\n", hfp_subevent_place_call_with_number_get_number(event)); 593 // validate number 594 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 595 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 596 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 597 printf("Dial string valid: accept call\n"); 598 hfp_ag_outgoing_call_accepted(); 599 hfp_outgoing_call_ringing_start(); 600 } else { 601 printf("Dial string invalid: reject call\n"); 602 hfp_ag_outgoing_call_rejected(); 603 } 604 break; 605 606 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 607 printf("Attach number to voice tag. Sending '1234567\n"); 608 hfp_ag_send_phone_number_for_voice_tag(acl_handle, "1234567"); 609 break; 610 611 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 612 printf("Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 613 hfp_ag_send_dtmf_code_done(acl_handle); 614 break; 615 616 case HFP_SUBEVENT_VOICE_RECOGNITION_ACTIVATED: 617 status = hfp_subevent_voice_recognition_activated_get_status(event); 618 if (status != ERROR_CODE_SUCCESS){ 619 printf("Voice Recognition Activate command failed\n"); 620 break; 621 } 622 623 switch (hfp_subevent_voice_recognition_activated_get_enhanced(event)){ 624 case 0: 625 printf("\nVoice recognition ACTVATED\n\n"); 626 break; 627 default: 628 printf("\nEnhanced voice recognition ACTVATED\n\n"); 629 break; 630 } 631 break; 632 633 case HFP_SUBEVENT_VOICE_RECOGNITION_DEACTIVATED: 634 status = hfp_subevent_voice_recognition_deactivated_get_status(event); 635 if (status != ERROR_CODE_SUCCESS){ 636 printf("Voice Recognition Deactivate command failed\n"); 637 break; 638 } 639 printf("\nVoice Recognition DEACTIVATED\n\n"); 640 break; 641 642 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 643 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 644 report_status(status, "Enhanced Voice recognition: READY FOR AUDIO"); 645 break; 646 647 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 648 status = hfp_subevent_enhanced_voice_recognition_ag_ready_to_accept_audio_input_get_status(event); 649 report_status(status, "Enhanced Voice recognition: AG READY TO ACCEPT AUDIO INPUT"); 650 break; 651 652 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 653 status = hfp_subevent_enhanced_voice_recognition_ag_is_starting_sound_get_status(event); 654 report_status(status, "Enhanced Voice recognition: AG IS STARTING SOUND"); 655 break; 656 657 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 658 status = hfp_subevent_enhanced_voice_recognition_ag_is_processing_audio_input_get_status(event); 659 report_status(status, "Enhanced Voice recognition: AG IS PROCESSING AUDIO INPUT"); 660 break; 661 662 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_MESSAGE_SENT: 663 status = hfp_subevent_enhanced_voice_recognition_ag_message_sent_get_status(event); 664 report_status(status, "Enhanced Voice recognition: AG MESSAGE SENT"); 665 printf("Enhanced Voice recognition: \'%s\'\n\n", msg.text); 666 break; 667 668 case HFP_SUBEVENT_ECHO_CANCELING_AND_NOISE_REDUCTION_DEACTIVATE: 669 status = hfp_subevent_echo_canceling_and_noise_reduction_deactivate_get_status(event); 670 report_status(status, "Echo Canceling and Noise Reduction Deactivate"); 671 break; 672 673 case HFP_SUBEVENT_HF_INDICATOR: 674 switch (hfp_subevent_hf_indicator_get_uuid(event)){ 675 case HFP_HF_INDICATOR_UUID_ENHANCED_SAFETY: 676 printf("Received ENHANCED SAFETY indicator, value %d\n", hfp_subevent_hf_indicator_get_value(event)); 677 break; 678 case HFP_HF_INDICATOR_UUID_BATTERY_LEVEL: 679 printf("Received BATTERY LEVEL indicator, value %d\n", hfp_subevent_hf_indicator_get_value(event)); 680 break; 681 default: 682 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)); 683 break; 684 } 685 break; 686 default: 687 break; 688 } 689 break; 690 case HCI_SCO_DATA_PACKET: 691 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 692 sco_demo_receive(event, event_size); 693 break; 694 default: 695 break; 696 } 697 } 698 699 static hfp_phone_number_t subscriber_number = { 700 129, "225577" 701 }; 702 703 /* @section Main Application Setup 704 * 705 * @text Listing MainConfiguration shows main application code. 706 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 707 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 708 * The stdin_process callback allows for sending commands to the HFP HF. 709 * At the end the Bluetooth stack is started. 710 */ 711 712 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 713 714 int btstack_main(int argc, const char * argv[]); 715 int btstack_main(int argc, const char * argv[]){ 716 (void)argc; 717 (void)argv; 718 719 sco_demo_init(); 720 721 gap_set_local_name("HFP AG Demo 00:00:00:00:00:00"); 722 gap_discoverable_control(1); 723 724 // L2CAP 725 l2cap_init(); 726 727 #ifdef ENABLE_BLE 728 // Initialize LE Security Manager. Needed for cross-transport key derivation 729 sm_init(); 730 #endif 731 732 uint16_t supported_features = 733 (1<<HFP_AGSF_ESCO_S4) | 734 (1<<HFP_AGSF_HF_INDICATORS) | 735 (1<<HFP_AGSF_CODEC_NEGOTIATION) | 736 (1<<HFP_AGSF_EXTENDED_ERROR_RESULT_CODES) | 737 (1<<HFP_AGSF_ENHANCED_CALL_CONTROL) | 738 (1<<HFP_AGSF_ENHANCED_CALL_STATUS) | 739 (1<<HFP_AGSF_ABILITY_TO_REJECT_A_CALL) | 740 (1<<HFP_AGSF_IN_BAND_RING_TONE) | 741 (1<<HFP_AGSF_VOICE_RECOGNITION_FUNCTION) | 742 (1<<HFP_AGSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 743 (1<<HFP_AGSF_VOICE_RECOGNITION_TEXT) | 744 (1<<HFP_AGSF_EC_NR_FUNCTION) | 745 (1<<HFP_AGSF_THREE_WAY_CALLING); 746 int wide_band_speech = 1; 747 748 // HFP 749 rfcomm_init(); 750 hfp_ag_init(rfcomm_channel_nr); 751 hfp_ag_init_supported_features(supported_features); 752 hfp_ag_init_codecs(sizeof(codecs), codecs); 753 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 754 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 755 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 756 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 757 758 // SDP Server 759 sdp_init(); 760 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 761 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, supported_features, wide_band_speech); 762 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 763 sdp_register_service(hfp_service_buffer); 764 765 // register for HCI events and SCO packets 766 hci_event_callback_registration.callback = &packet_handler; 767 hci_add_event_handler(&hci_event_callback_registration); 768 hci_register_sco_packet_handler(&packet_handler); 769 770 // register for HFP events 771 hfp_ag_register_packet_handler(&packet_handler); 772 773 // parse human readable Bluetooth address 774 sscanf_bd_addr(device_addr_string, device_addr); 775 776 #ifdef HAVE_BTSTACK_STDIN 777 btstack_stdin_setup(stdin_process); 778 #endif 779 // turn on! 780 hci_power_control(HCI_POWER_ON); 781 return 0; 782 } 783 /* LISTING_END */ 784 /* EXAMPLE_END */ 785