1 2 /* 3 * Copyright (C) 2014 BlueKitchen GmbH 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the copyright holders nor the names of 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 4. Any redistribution, use, or modification is done solely for 18 * personal benefit and not for any commercial purpose or for 19 * monetary gain. 20 * 21 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN 25 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 28 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 31 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * Please inquire about commercial licensing options at 35 * [email protected] 36 * 37 */ 38 39 #define BTSTACK_FILE__ "hfp_hf_demo.c" 40 41 /* 42 * hfp_hs_demo.c 43 */ 44 45 // ***************************************************************************** 46 /* EXAMPLE_START(hfp_hs_demo): HFP HF - Hands-Free 47 * 48 * @text This HFP Hands-Free example demonstrates how to receive 49 * an output from a remote HFP audio gateway (AG), and, 50 * if HAVE_BTSTACK_STDIN is defined, how to control the HFP AG. 51 */ 52 // ***************************************************************************** 53 54 55 #include "btstack_config.h" 56 57 #include <stdint.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include "btstack.h" 62 63 #include "sco_demo_util.h" 64 65 uint8_t hfp_service_buffer[150]; 66 const uint8_t rfcomm_channel_nr = 1; 67 const char hfp_hf_service_name[] = "HFP HF Demo"; 68 69 #ifdef HAVE_BTSTACK_STDIN 70 // static const char * device_addr_string = "6C:72:E7:10:22:EE"; 71 static const char * device_addr_string = "00:02:72:DC:31:C1"; 72 #endif 73 74 static bd_addr_t device_addr; 75 76 #ifdef HAVE_BTSTACK_STDIN 77 // 80:BE:05:D5:28:48 78 // prototypes 79 static void show_usage(void); 80 #endif 81 static hci_con_handle_t acl_handle = HCI_CON_HANDLE_INVALID; 82 static hci_con_handle_t sco_handle = HCI_CON_HANDLE_INVALID; 83 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 84 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 85 #else 86 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 87 #endif 88 static uint16_t indicators[1] = {0x01}; 89 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 90 static btstack_packet_callback_registration_t hci_event_callback_registration; 91 static char cmd; 92 93 static void dump_supported_codecs(void){ 94 unsigned int i; 95 int mSBC_skipped = 0; 96 printf("Supported codecs: "); 97 for (i = 0; i < sizeof(codecs); i++){ 98 switch(codecs[i]){ 99 case HFP_CODEC_CVSD: 100 printf("CVSD"); 101 break; 102 case HFP_CODEC_MSBC: 103 if (hci_extended_sco_link_supported()){ 104 printf(", mSBC"); 105 } else { 106 mSBC_skipped = 1; 107 } 108 break; 109 default: 110 btstack_assert(false); 111 break; 112 } 113 } 114 printf("\n"); 115 if (mSBC_skipped){ 116 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 117 } 118 } 119 120 #ifdef HAVE_BTSTACK_STDIN 121 122 // Testig User Interface 123 static void show_usage(void){ 124 bd_addr_t iut_address; 125 gap_local_bd_addr(iut_address); 126 127 printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 128 printf("\n"); 129 printf("a - establish SLC to %s | ", bd_addr_to_str(device_addr)); 130 printf("A - release SLC connection to device\n"); 131 printf("b - establish Audio connection | B - release Audio connection\n"); 132 printf("d - query network operator | D - Enable HFP AG registration status update via bitmap(IIA)\n"); 133 printf("f - answer incoming call | F - Hangup call\n"); 134 printf("g - query network operator name | G - reject incoming call\n"); 135 printf("i - dial 1234567 | I - dial 7654321\n"); 136 printf("j - dial #1 | J - dial #99\n"); 137 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 138 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 139 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 140 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 141 printf("t - terminate connection\n"); 142 printf("u - send 'user busy' (TWC 0)\n"); 143 printf("U - end active call and accept other call' (TWC 1)\n"); 144 printf("v - Swap active call call (TWC 2) | V - Join held call (TWC 3)\n"); 145 printf("w - Connect calls (TWC 4) | W - redial\n"); 146 printf("m - deactivate echo canceling and noise reduction\n"); 147 printf("c/C - disable/enable registration status update for all AG indicators\n"); 148 printf("e/E - disable/enable reporting of the extended AG error result code\n"); 149 printf("k/K - deactivate/activate call waiting notification\n"); 150 printf("l/L - deactivate/activate calling line notification\n"); 151 printf("n/N - deactivate/activate voice recognition\n"); 152 153 printf("0123456789#*-+ - send DTMF dial tones\n"); 154 printf("x - request phone number for voice tag | X - current call status (ECS)\n"); 155 printf("y - release call with index 2 (ECC) | Y - private consultation with call 2(ECC)\n"); 156 printf("[ - Query Response and Hold status (RHH ?) | ] - Place call in a response and held state(RHH 0)\n"); 157 printf("{ - Accept held call(RHH 1) | } - Reject held call(RHH 2)\n"); 158 printf("? - Query Subscriber Number (NUM)\n"); 159 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 160 printf("\n"); 161 } 162 163 static void report_status(uint8_t status, const char * message){ 164 if (status != ERROR_CODE_SUCCESS){ 165 printf("%s command failed, status 0x%02x\n", message, status); 166 } else { 167 printf("%s command successful\n", message); 168 } 169 } 170 171 static void stdin_process(char c){ 172 uint8_t status = ERROR_CODE_SUCCESS; 173 174 cmd = c; // used in packet handler 175 176 if (cmd >= '0' && cmd <= '9'){ 177 printf("DTMF Code: %c\n", cmd); 178 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 179 return; 180 } 181 182 switch (cmd){ 183 case '#': 184 case '-': 185 case '+': 186 case '*': 187 log_info("USER:\'%c\'", cmd); 188 printf("DTMF Code: %c\n", cmd); 189 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 190 break; 191 case 'a': 192 log_info("USER:\'%c\'", cmd); 193 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 194 status = hfp_hf_establish_service_level_connection(device_addr); 195 break; 196 case 'A': 197 log_info("USER:\'%c\'", cmd); 198 printf("Release Service level connection.\n"); 199 status = hfp_hf_release_service_level_connection(acl_handle); 200 break; 201 case 'b': 202 log_info("USER:\'%c\'", cmd); 203 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 204 status = hfp_hf_establish_audio_connection(acl_handle); 205 break; 206 case 'B': 207 log_info("USER:\'%c\'", cmd); 208 printf("Release Audio service level connection.\n"); 209 status = hfp_hf_release_audio_connection(acl_handle); 210 break; 211 case 'C': 212 log_info("USER:\'%c\'", cmd); 213 printf("Enable registration status update for all AG indicators.\n"); 214 status = hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 215 break; 216 case 'c': 217 log_info("USER:\'%c\'", cmd); 218 printf("Disable registration status update for all AG indicators.\n"); 219 status = hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 220 break; 221 case 'D': 222 log_info("USER:\'%c\'", cmd); 223 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 224 status = hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 225 break; 226 case 'd': 227 log_info("USER:\'%c\'", cmd); 228 printf("Query network operator.\n"); 229 status = hfp_hf_query_operator_selection(acl_handle); 230 break; 231 case 'E': 232 log_info("USER:\'%c\'", cmd); 233 printf("Enable reporting of the extended AG error result code.\n"); 234 status = hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 235 break; 236 case 'e': 237 log_info("USER:\'%c\'", cmd); 238 printf("Disable reporting of the extended AG error result code.\n"); 239 status = hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 240 break; 241 case 'f': 242 log_info("USER:\'%c\'", cmd); 243 printf("Answer incoming call.\n"); 244 status = hfp_hf_answer_incoming_call(acl_handle); 245 break; 246 case 'F': 247 log_info("USER:\'%c\'", cmd); 248 printf("Hangup call.\n"); 249 status = hfp_hf_terminate_call(acl_handle); 250 break; 251 case 'G': 252 log_info("USER:\'%c\'", cmd); 253 printf("Reject incoming call.\n"); 254 status = hfp_hf_reject_incoming_call(acl_handle); 255 break; 256 case 'g': 257 log_info("USER:\'%c\'", cmd); 258 printf("Query operator.\n"); 259 status = hfp_hf_query_operator_selection(acl_handle); 260 break; 261 case 't': 262 log_info("USER:\'%c\'", cmd); 263 printf("Terminate HCI connection.\n"); 264 gap_disconnect(acl_handle); 265 break; 266 case 'i': 267 log_info("USER:\'%c\'", cmd); 268 printf("Dial 1234567\n"); 269 status = hfp_hf_dial_number(acl_handle, "1234567"); 270 break; 271 case 'I': 272 log_info("USER:\'%c\'", cmd); 273 printf("Dial 7654321\n"); 274 status = hfp_hf_dial_number(acl_handle, "7654321"); 275 break; 276 case 'j': 277 log_info("USER:\'%c\'", cmd); 278 printf("Dial #1\n"); 279 status = hfp_hf_dial_memory(acl_handle,1); 280 break; 281 case 'J': 282 log_info("USER:\'%c\'", cmd); 283 printf("Dial #99\n"); 284 status = hfp_hf_dial_memory(acl_handle,99); 285 break; 286 case 'k': 287 log_info("USER:\'%c\'", cmd); 288 printf("Deactivate call waiting notification\n"); 289 status = hfp_hf_deactivate_call_waiting_notification(acl_handle); 290 break; 291 case 'K': 292 log_info("USER:\'%c\'", cmd); 293 printf("Activate call waiting notification\n"); 294 status = hfp_hf_activate_call_waiting_notification(acl_handle); 295 break; 296 case 'l': 297 log_info("USER:\'%c\'", cmd); 298 printf("Deactivate calling line notification\n"); 299 status = hfp_hf_deactivate_calling_line_notification(acl_handle); 300 break; 301 case 'L': 302 log_info("USER:\'%c\'", cmd); 303 printf("Activate calling line notification\n"); 304 status = hfp_hf_activate_calling_line_notification(acl_handle); 305 break; 306 case 'm': 307 log_info("USER:\'%c\'", cmd); 308 printf("Deactivate echo canceling and noise reduction\n"); 309 status = hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 310 break; 311 case 'n': 312 log_info("USER:\'%c\'", cmd); 313 printf("Deactivate voice recognition\n"); 314 status = hfp_hf_deactivate_voice_recognition(acl_handle); 315 break; 316 case 'N': 317 log_info("USER:\'%c\'", cmd); 318 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 319 status = hfp_hf_activate_voice_recognition(acl_handle); 320 break; 321 case 'o': 322 log_info("USER:\'%c\'", cmd); 323 printf("Set speaker gain to 0 (minimum)\n"); 324 status = hfp_hf_set_speaker_gain(acl_handle, 0); 325 break; 326 case 'O': 327 log_info("USER:\'%c\'", cmd); 328 printf("Set speaker gain to 9 (default)\n"); 329 status = hfp_hf_set_speaker_gain(acl_handle, 9); 330 break; 331 case 'p': 332 log_info("USER:\'%c\'", cmd); 333 printf("Set speaker gain to 12 (higher)\n"); 334 status = hfp_hf_set_speaker_gain(acl_handle, 12); 335 break; 336 case 'P': 337 log_info("USER:\'%c\'", cmd); 338 printf("Set speaker gain to 15 (maximum)\n"); 339 status = hfp_hf_set_speaker_gain(acl_handle, 15); 340 break; 341 case 'q': 342 log_info("USER:\'%c\'", cmd); 343 printf("Set microphone gain to 0\n"); 344 status = hfp_hf_set_microphone_gain(acl_handle, 0); 345 break; 346 case 'Q': 347 log_info("USER:\'%c\'", cmd); 348 printf("Set microphone gain to 9\n"); 349 status = hfp_hf_set_microphone_gain(acl_handle, 9); 350 break; 351 case 's': 352 log_info("USER:\'%c\'", cmd); 353 printf("Set microphone gain to 12\n"); 354 status = hfp_hf_set_microphone_gain(acl_handle, 12); 355 break; 356 case 'S': 357 log_info("USER:\'%c\'", cmd); 358 printf("Set microphone gain to 15\n"); 359 status = hfp_hf_set_microphone_gain(acl_handle, 15); 360 break; 361 case 'u': 362 log_info("USER:\'%c\'", cmd); 363 printf("Send 'user busy' (Three-Way Call 0)\n"); 364 status = hfp_hf_user_busy(acl_handle); 365 break; 366 case 'U': 367 log_info("USER:\'%c\'", cmd); 368 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 369 status = hfp_hf_end_active_and_accept_other(acl_handle); 370 break; 371 case 'v': 372 log_info("USER:\'%c\'", cmd); 373 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 374 status = hfp_hf_swap_calls(acl_handle); 375 break; 376 case 'V': 377 log_info("USER:\'%c\'", cmd); 378 printf("Join hold call (Three-Way Call 3)\n"); 379 status = hfp_hf_join_held_call(acl_handle); 380 break; 381 case 'w': 382 log_info("USER:\'%c\'", cmd); 383 printf("Connect calls (Three-Way Call 4)\n"); 384 status = hfp_hf_connect_calls(acl_handle); 385 break; 386 case 'W': 387 log_info("USER:\'%c\'", cmd); 388 printf("Redial\n"); 389 status = hfp_hf_redial_last_number(acl_handle); 390 break; 391 case 'x': 392 log_info("USER:\'%c\'", cmd); 393 printf("Request phone number for voice tag\n"); 394 status = hfp_hf_request_phone_number_for_voice_tag(acl_handle); 395 break; 396 case 'X': 397 log_info("USER:\'%c\'", cmd); 398 printf("Query current call status\n"); 399 status = hfp_hf_query_current_call_status(acl_handle); 400 break; 401 case 'y': 402 log_info("USER:\'%c\'", cmd); 403 printf("Release call with index 2\n"); 404 status = hfp_hf_release_call_with_index(acl_handle, 2); 405 break; 406 case 'Y': 407 log_info("USER:\'%c\'", cmd); 408 printf("Private consultation with call 2\n"); 409 status = hfp_hf_private_consultation_with_call(acl_handle, 2); 410 break; 411 case '[': 412 log_info("USER:\'%c\'", cmd); 413 printf("Query Response and Hold status (RHH ?)\n"); 414 status = hfp_hf_rrh_query_status(acl_handle); 415 break; 416 case ']': 417 log_info("USER:\'%c\'", cmd); 418 printf("Place call in a response and held state (RHH 0)\n"); 419 status = hfp_hf_rrh_hold_call(acl_handle); 420 break; 421 case '{': 422 log_info("USER:\'%c\'", cmd); 423 printf("Accept held call (RHH 1)\n"); 424 status = hfp_hf_rrh_accept_held_call(acl_handle); 425 break; 426 case '}': 427 log_info("USER:\'%c\'", cmd); 428 printf("Reject held call (RHH 2)\n"); 429 status = hfp_hf_rrh_reject_held_call(acl_handle); 430 break; 431 case '?': 432 log_info("USER:\'%c\'", cmd); 433 printf("Query Subscriber Number\n"); 434 status = hfp_hf_query_subscriber_number(acl_handle); 435 break; 436 case '!': 437 log_info("USER:\'%c\'", cmd); 438 printf("Update HF indicator with assigned number 1 (HFI)\n"); 439 status = hfp_hf_set_hf_indicator(acl_handle, 1, 1); 440 break; 441 default: 442 show_usage(); 443 break; 444 } 445 446 if (status != ERROR_CODE_SUCCESS){ 447 printf("Could not perform command, status 0x%02x\n", status); 448 } 449 } 450 #endif 451 452 static void hci_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 453 UNUSED(channel); 454 bd_addr_t event_addr; 455 456 switch (packet_type){ 457 458 case HCI_SCO_DATA_PACKET: 459 // forward received SCO / audio packets to SCO component 460 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 461 sco_demo_receive(event, event_size); 462 break; 463 464 case HCI_EVENT_PACKET: 465 switch (hci_event_packet_get_type(event)){ 466 case BTSTACK_EVENT_STATE: 467 // list supported codecs after stack has started up 468 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 469 dump_supported_codecs(); 470 break; 471 472 case HCI_EVENT_PIN_CODE_REQUEST: 473 // inform about pin code request and respond with '0000' 474 printf("Pin code request - using '0000'\n"); 475 hci_event_pin_code_request_get_bd_addr(event, event_addr); 476 gap_pin_code_response(event_addr, "0000"); 477 break; 478 479 case HCI_EVENT_SCO_CAN_SEND_NOW: 480 sco_demo_send(sco_handle); 481 break; 482 483 default: 484 break; 485 } 486 break; 487 488 default: 489 break; 490 } 491 492 } 493 494 static void hfp_hf_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 495 UNUSED(channel); 496 uint8_t status; 497 bd_addr_t event_addr; 498 499 switch (packet_type){ 500 501 case HCI_SCO_DATA_PACKET: 502 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 503 sco_demo_receive(event, event_size); 504 break; 505 506 case HCI_EVENT_PACKET: 507 switch (hci_event_packet_get_type(event)){ 508 case BTSTACK_EVENT_STATE: 509 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 510 dump_supported_codecs(); 511 break; 512 513 case HCI_EVENT_PIN_CODE_REQUEST: 514 // inform about pin code request 515 printf("Pin code request - using '0000'\n"); 516 hci_event_pin_code_request_get_bd_addr(event, event_addr); 517 gap_pin_code_response(event_addr, "0000"); 518 break; 519 520 case HCI_EVENT_SCO_CAN_SEND_NOW: 521 sco_demo_send(sco_handle); 522 break; 523 524 case HCI_EVENT_HFP_META: 525 switch (hci_event_hfp_meta_get_subevent_code(event)) { 526 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 527 status = hfp_subevent_service_level_connection_established_get_status(event); 528 if (status != ERROR_CODE_SUCCESS){ 529 printf("Connection failed, status 0x%02x\n", status); 530 break; 531 } 532 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 533 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 534 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 535 break; 536 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 537 acl_handle = HCI_CON_HANDLE_INVALID; 538 printf("Service level connection released.\n\n"); 539 break; 540 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 541 status = hfp_subevent_audio_connection_established_get_status(event); 542 if (status != ERROR_CODE_SUCCESS){ 543 printf("Audio connection establishment failed with status 0x%02x\n", status); 544 break; 545 } 546 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 547 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 548 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 549 switch (negotiated_codec){ 550 case 0x01: 551 printf("Using CVSD codec.\n"); 552 break; 553 case 0x02: 554 printf("Using mSBC codec.\n"); 555 break; 556 default: 557 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 558 break; 559 } 560 sco_demo_set_codec(negotiated_codec); 561 hci_request_sco_can_send_now_event(); 562 break; 563 564 case HFP_SUBEVENT_CALL_ANSWERED: 565 printf("Call answered\n"); 566 break; 567 568 case HFP_SUBEVENT_CALL_TERMINATED: 569 printf("Call terminated\n"); 570 break; 571 572 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 573 sco_handle = HCI_CON_HANDLE_INVALID; 574 printf("Audio connection released\n"); 575 sco_demo_close(); 576 break; 577 case HFP_SUBEVENT_COMPLETE: 578 status = hfp_subevent_complete_get_status(event); 579 if (status == ERROR_CODE_SUCCESS){ 580 printf("Cmd \'%c\' succeeded\n", cmd); 581 } else { 582 printf("Cmd \'%c\' failed with status 0x%02x\n", cmd, status); 583 } 584 break; 585 586 case HFP_SUBEVENT_AG_INDICATOR_MAPPING: 587 printf("AG Indicator Mapping | INDEX %d: range [%d, %d], name '%s'\n", 588 hfp_subevent_ag_indicator_mapping_get_indicator_index(event), 589 hfp_subevent_ag_indicator_mapping_get_indicator_min_range(event), 590 hfp_subevent_ag_indicator_mapping_get_indicator_max_range(event), 591 (const char*) hfp_subevent_ag_indicator_mapping_get_indicator_name(event)); 592 break; 593 594 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 595 printf("AG Indicator Status | INDEX %d: status 0x%02x, '%s'\n", 596 hfp_subevent_ag_indicator_status_changed_get_indicator_index(event), 597 hfp_subevent_ag_indicator_status_changed_get_indicator_status(event), 598 (const char*) hfp_subevent_ag_indicator_status_changed_get_indicator_name(event)); 599 break; 600 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 601 printf("NETWORK_OPERATOR_CHANGED, operator mode %d, format %d, name %s\n", 602 hfp_subevent_network_operator_changed_get_network_operator_mode(event), 603 hfp_subevent_network_operator_changed_get_network_operator_format(event), 604 (char *) hfp_subevent_network_operator_changed_get_network_operator_name(event)); 605 break; 606 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 607 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status 0x%02x\n", 608 hfp_subevent_extended_audio_gateway_error_get_error(event)); 609 break; 610 case HFP_SUBEVENT_START_RINGING: 611 printf("** START Ringing **\n"); 612 break; 613 case HFP_SUBEVENT_RING: 614 printf("** Ring **\n"); 615 break; 616 case HFP_SUBEVENT_STOP_RINGING: 617 printf("** STOP Ringing **\n"); 618 break; 619 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 620 printf("Phone number for voice tag: %s\n", 621 (const char *) hfp_subevent_number_for_voice_tag_get_number(event)); 622 break; 623 case HFP_SUBEVENT_SPEAKER_VOLUME: 624 printf("Speaker volume: gain %u\n", 625 hfp_subevent_speaker_volume_get_gain(event)); 626 break; 627 case HFP_SUBEVENT_MICROPHONE_VOLUME: 628 printf("Microphone volume: gain %u\n", 629 hfp_subevent_microphone_volume_get_gain(event)); 630 break; 631 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 632 printf("Caller ID, number '%s', alpha '%s'\n", (const char *) hfp_subevent_calling_line_identification_notification_get_number(event), 633 (const char *) hfp_subevent_calling_line_identification_notification_get_alpha(event)); 634 break; 635 case HFP_SUBEVENT_ENHANCED_CALL_STATUS: 636 printf("Enhanced call status:\n"); 637 printf(" - call index: %d \n", hfp_subevent_enhanced_call_status_get_clcc_idx(event)); 638 printf(" - direction : %s \n", hfp_enhanced_call_dir2str(hfp_subevent_enhanced_call_status_get_clcc_dir(event))); 639 printf(" - status : %s \n", hfp_enhanced_call_status2str(hfp_subevent_enhanced_call_status_get_clcc_status(event))); 640 printf(" - mode : %s \n", hfp_enhanced_call_mode2str(hfp_subevent_enhanced_call_status_get_clcc_mode(event))); 641 printf(" - multipart : %s \n", hfp_enhanced_call_mpty2str(hfp_subevent_enhanced_call_status_get_clcc_mpty(event))); 642 printf(" - type : %d \n", hfp_subevent_enhanced_call_status_get_bnip_type(event)); 643 printf(" - number : %s \n", hfp_subevent_enhanced_call_status_get_bnip_number(event)); 644 break; 645 646 case HFP_SUBEVENT_VOICE_RECOGNITION_ACTIVATED: 647 status = hfp_subevent_voice_recognition_activated_get_status(event); 648 if (status != ERROR_CODE_SUCCESS){ 649 printf("Voice Recognition Activate command failed, status 0x%02x\n", status); 650 break; 651 } 652 653 switch (hfp_subevent_voice_recognition_activated_get_enhanced(event)){ 654 case 0: 655 printf("\nVoice recognition ACTIVATED\n\n"); 656 break; 657 default: 658 printf("\nEnhanced voice recognition ACTIVATED.\n"); 659 printf("Start new audio enhanced voice recognition session %s\n\n", bd_addr_to_str(device_addr)); 660 status = hfp_hf_enhanced_voice_recognition_report_ready_for_audio(acl_handle); 661 break; 662 } 663 break; 664 665 case HFP_SUBEVENT_VOICE_RECOGNITION_DEACTIVATED: 666 status = hfp_subevent_voice_recognition_deactivated_get_status(event); 667 if (status != ERROR_CODE_SUCCESS){ 668 printf("Voice Recognition Deactivate command failed, status 0x%02x\n", status); 669 break; 670 } 671 printf("\nVoice Recognition DEACTIVATED\n\n"); 672 break; 673 674 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 675 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 676 report_status(status, "Enhanced Voice recognition: READY FOR AUDIO"); 677 break; 678 679 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 680 printf("\nEnhanced Voice recognition AG status: AG READY TO ACCEPT AUDIO INPUT\n\n"); 681 break; 682 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 683 printf("\nEnhanced Voice recognition AG status: AG IS STARTING SOUND\n\n"); 684 break; 685 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 686 printf("\nEnhanced Voice recognition AG status: AG IS PROCESSING AUDIO INPUT\n\n"); 687 break; 688 689 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_MESSAGE: 690 printf("\nEnhanced Voice recognition AG message: \'%s\'\n", hfp_subevent_enhanced_voice_recognition_ag_message_get_text(event)); 691 break; 692 693 case HFP_SUBEVENT_ECHO_CANCELING_AND_NOISE_REDUCTION_DEACTIVATE: 694 status = hfp_subevent_echo_canceling_and_noise_reduction_deactivate_get_status(event); 695 report_status(status, "Echo Canceling and Noise Reduction Deactivate"); 696 break; 697 default: 698 break; 699 } 700 break; 701 702 default: 703 break; 704 } 705 break; 706 707 default: 708 break; 709 } 710 711 } 712 713 /* @section Main Application Setup 714 * 715 * @text Listing MainConfiguration shows main application code. 716 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 717 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 718 * The stdin_process callback allows for sending commands to the HFP AG. 719 * At the end the Bluetooth stack is started. 720 */ 721 722 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 723 int btstack_main(int argc, const char * argv[]); 724 int btstack_main(int argc, const char * argv[]){ 725 (void)argc; 726 (void)argv; 727 728 // Init protocols 729 // init L2CAP 730 l2cap_init(); 731 rfcomm_init(); 732 sdp_init(); 733 #ifdef ENABLE_BLE 734 // Initialize LE Security Manager. Needed for cross-transport key derivation 735 sm_init(); 736 #endif 737 738 // Init profiles 739 uint16_t hf_supported_features = 740 (1<<HFP_HFSF_ESCO_S4) | 741 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 742 (1<<HFP_HFSF_HF_INDICATORS) | 743 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 744 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 745 (1<<HFP_HFSF_VOICE_RECOGNITION_FUNCTION) | 746 (1<<HFP_HFSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 747 (1<<HFP_HFSF_VOICE_RECOGNITION_TEXT) | 748 (1<<HFP_HFSF_EC_NR_FUNCTION) | 749 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 750 int wide_band_speech = 1; 751 hfp_hf_init(rfcomm_channel_nr); 752 hfp_hf_init_supported_features(hf_supported_features); 753 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 754 hfp_hf_init_codecs(sizeof(codecs), codecs); 755 hfp_hf_register_packet_handler(hfp_hf_packet_handler); 756 757 758 // Configure SDP 759 760 // - Create and register HFP HF service record 761 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 762 hfp_hf_create_sdp_record(hfp_service_buffer, sdp_create_service_record_handle(), 763 rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 764 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 765 sdp_register_service(hfp_service_buffer); 766 767 // Configure GAP - discovery / connection 768 769 // - Set local name with a template Bluetooth address, that will be automatically 770 // replaced with an actual address once it is available, i.e. when BTstack boots 771 // up and starts talking to a Bluetooth module. 772 gap_set_local_name("HFP HF Demo 00:00:00:00:00:00"); 773 774 // - Allow to show up in Bluetooth inquiry 775 gap_discoverable_control(1); 776 777 // - Set Class of Device - Service Class: Audio, Major Device Class: Audio, Minor: Hands-Free device 778 gap_set_class_of_device(0x200408); 779 780 // - Allow for role switch in general and sniff mode 781 gap_set_default_link_policy_settings( LM_LINK_POLICY_ENABLE_ROLE_SWITCH | LM_LINK_POLICY_ENABLE_SNIFF_MODE ); 782 783 // - Allow for role switch on outgoing connections - this allows HFP AG, e.g. smartphone, to become master when we re-connect to it 784 gap_set_allow_role_switch(true); 785 786 // Register for HCI events and SCO packets 787 hci_event_callback_registration.callback = &hci_packet_handler; 788 hci_add_event_handler(&hci_event_callback_registration); 789 hci_register_sco_packet_handler(&hci_packet_handler); 790 791 792 // Init SCO / HFP audio processing 793 sco_demo_init(); 794 795 #ifdef HAVE_BTSTACK_STDIN 796 // parse human readable Bluetooth address 797 sscanf_bd_addr(device_addr_string, device_addr); 798 btstack_stdin_setup(stdin_process); 799 #endif 800 801 // turn on! 802 hci_power_control(HCI_POWER_ON); 803 return 0; 804 } 805 /* LISTING_END */ 806 /* EXAMPLE_END */ 807