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 70 #ifdef HAVE_BTSTACK_STDIN 71 // static const char * device_addr_string = "6C:72:E7:10:22:EE"; 72 static const char * device_addr_string = "00:02:72:DC:31:C1"; 73 #endif 74 75 static bd_addr_t device_addr; 76 77 #ifdef HAVE_BTSTACK_STDIN 78 // 80:BE:05:D5:28:48 79 // prototypes 80 static void show_usage(void); 81 #endif 82 static hci_con_handle_t acl_handle = HCI_CON_HANDLE_INVALID; 83 static hci_con_handle_t sco_handle = HCI_CON_HANDLE_INVALID; 84 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 85 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 86 #else 87 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 88 #endif 89 static uint16_t indicators[1] = {0x01}; 90 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 91 static btstack_packet_callback_registration_t hci_event_callback_registration; 92 static char cmd; 93 94 static void dump_supported_codecs(void){ 95 unsigned int i; 96 int mSBC_skipped = 0; 97 printf("Supported codecs: "); 98 for (i = 0; i < sizeof(codecs); i++){ 99 switch(codecs[i]){ 100 case HFP_CODEC_CVSD: 101 printf("CVSD"); 102 break; 103 case HFP_CODEC_MSBC: 104 if (hci_extended_sco_link_supported()){ 105 printf(", mSBC"); 106 } else { 107 mSBC_skipped = 1; 108 } 109 break; 110 default: 111 btstack_assert(false); 112 break; 113 } 114 } 115 printf("\n"); 116 if (mSBC_skipped){ 117 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 118 } 119 } 120 121 static void report_status(uint8_t status, const char * message){ 122 if (status != ERROR_CODE_SUCCESS){ 123 printf("%s command failed, status 0x%02x\n", message, status); 124 } else { 125 printf("%s command successful\n", message); 126 } 127 } 128 129 #ifdef HAVE_BTSTACK_STDIN 130 131 // Testig User Interface 132 static void show_usage(void){ 133 bd_addr_t iut_address; 134 gap_local_bd_addr(iut_address); 135 136 printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 137 printf("\n"); 138 printf("a - establish SLC to %s | ", bd_addr_to_str(device_addr)); 139 printf("A - release SLC connection to device\n"); 140 printf("b - establish Audio connection | B - release Audio connection\n"); 141 printf("d - query network operator | D - Enable HFP AG registration status update via bitmap(IIA)\n"); 142 printf("f - answer incoming call | F - Hangup call\n"); 143 printf("g - query network operator name | G - reject incoming call\n"); 144 printf("i - dial 1234567 | I - dial 7654321\n"); 145 printf("j - dial #1 | J - dial #99\n"); 146 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 147 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 148 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 149 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 150 printf("t - terminate connection\n"); 151 printf("u - send 'user busy' (TWC 0)\n"); 152 printf("U - end active call and accept other call' (TWC 1)\n"); 153 printf("v - Swap active call call (TWC 2) | V - Join held call (TWC 3)\n"); 154 printf("w - Connect calls (TWC 4) | W - redial\n"); 155 printf("m - deactivate echo canceling and noise reduction\n"); 156 printf("c/C - disable/enable registration status update for all AG indicators\n"); 157 printf("e/E - disable/enable reporting of the extended AG error result code\n"); 158 printf("k/K - deactivate/activate call waiting notification\n"); 159 printf("l/L - deactivate/activate calling line notification\n"); 160 printf("n/N - deactivate/activate voice recognition\n"); 161 162 printf("0123456789#*-+ - send DTMF dial tones\n"); 163 printf("x - request phone number for voice tag | X - current call status (ECS)\n"); 164 printf("y - release call with index 2 (ECC) | Y - private consultation with call 2(ECC)\n"); 165 printf("[ - Query Response and Hold status (RHH ?) | ] - Place call in a response and held state(RHH 0)\n"); 166 printf("{ - Accept held call(RHH 1) | } - Reject held call(RHH 2)\n"); 167 printf("? - Query Subscriber Number (NUM)\n"); 168 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 169 printf("\n"); 170 } 171 172 static void stdin_process(char c){ 173 uint8_t status = ERROR_CODE_SUCCESS; 174 175 cmd = c; // used in packet handler 176 177 if (cmd >= '0' && cmd <= '9'){ 178 printf("DTMF Code: %c\n", cmd); 179 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 180 return; 181 } 182 183 switch (cmd){ 184 case '#': 185 case '-': 186 case '+': 187 case '*': 188 log_info("USER:\'%c\'", cmd); 189 printf("DTMF Code: %c\n", cmd); 190 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 191 break; 192 case 'a': 193 log_info("USER:\'%c\'", cmd); 194 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 195 status = hfp_hf_establish_service_level_connection(device_addr); 196 break; 197 case 'A': 198 log_info("USER:\'%c\'", cmd); 199 printf("Release Service level connection.\n"); 200 status = hfp_hf_release_service_level_connection(acl_handle); 201 break; 202 case 'b': 203 log_info("USER:\'%c\'", cmd); 204 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 205 status = hfp_hf_establish_audio_connection(acl_handle); 206 break; 207 case 'B': 208 log_info("USER:\'%c\'", cmd); 209 printf("Release Audio service level connection.\n"); 210 status = hfp_hf_release_audio_connection(acl_handle); 211 break; 212 case 'C': 213 log_info("USER:\'%c\'", cmd); 214 printf("Enable registration status update for all AG indicators.\n"); 215 status = hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 216 break; 217 case 'c': 218 log_info("USER:\'%c\'", cmd); 219 printf("Disable registration status update for all AG indicators.\n"); 220 status = hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 221 break; 222 case 'D': 223 log_info("USER:\'%c\'", cmd); 224 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 225 status = hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 226 break; 227 case 'd': 228 log_info("USER:\'%c\'", cmd); 229 printf("Query network operator.\n"); 230 status = hfp_hf_query_operator_selection(acl_handle); 231 break; 232 case 'E': 233 log_info("USER:\'%c\'", cmd); 234 printf("Enable reporting of the extended AG error result code.\n"); 235 status = hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 236 break; 237 case 'e': 238 log_info("USER:\'%c\'", cmd); 239 printf("Disable reporting of the extended AG error result code.\n"); 240 status = hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 241 break; 242 case 'f': 243 log_info("USER:\'%c\'", cmd); 244 printf("Answer incoming call.\n"); 245 status = hfp_hf_answer_incoming_call(acl_handle); 246 break; 247 case 'F': 248 log_info("USER:\'%c\'", cmd); 249 printf("Hangup call.\n"); 250 status = hfp_hf_terminate_call(acl_handle); 251 break; 252 case 'G': 253 log_info("USER:\'%c\'", cmd); 254 printf("Reject incoming call.\n"); 255 status = hfp_hf_reject_incoming_call(acl_handle); 256 break; 257 case 'g': 258 log_info("USER:\'%c\'", cmd); 259 printf("Query operator.\n"); 260 status = hfp_hf_query_operator_selection(acl_handle); 261 break; 262 case 't': 263 log_info("USER:\'%c\'", cmd); 264 printf("Terminate HCI connection.\n"); 265 gap_disconnect(acl_handle); 266 break; 267 case 'i': 268 log_info("USER:\'%c\'", cmd); 269 printf("Dial 1234567\n"); 270 status = hfp_hf_dial_number(acl_handle, "1234567"); 271 break; 272 case 'I': 273 log_info("USER:\'%c\'", cmd); 274 printf("Dial 7654321\n"); 275 status = hfp_hf_dial_number(acl_handle, "7654321"); 276 break; 277 case 'j': 278 log_info("USER:\'%c\'", cmd); 279 printf("Dial #1\n"); 280 status = hfp_hf_dial_memory(acl_handle,1); 281 break; 282 case 'J': 283 log_info("USER:\'%c\'", cmd); 284 printf("Dial #99\n"); 285 status = hfp_hf_dial_memory(acl_handle,99); 286 break; 287 case 'k': 288 log_info("USER:\'%c\'", cmd); 289 printf("Deactivate call waiting notification\n"); 290 status = hfp_hf_deactivate_call_waiting_notification(acl_handle); 291 break; 292 case 'K': 293 log_info("USER:\'%c\'", cmd); 294 printf("Activate call waiting notification\n"); 295 status = hfp_hf_activate_call_waiting_notification(acl_handle); 296 break; 297 case 'l': 298 log_info("USER:\'%c\'", cmd); 299 printf("Deactivate calling line notification\n"); 300 status = hfp_hf_deactivate_calling_line_notification(acl_handle); 301 break; 302 case 'L': 303 log_info("USER:\'%c\'", cmd); 304 printf("Activate calling line notification\n"); 305 status = hfp_hf_activate_calling_line_notification(acl_handle); 306 break; 307 case 'm': 308 log_info("USER:\'%c\'", cmd); 309 printf("Deactivate echo canceling and noise reduction\n"); 310 status = hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 311 break; 312 case 'n': 313 log_info("USER:\'%c\'", cmd); 314 printf("Deactivate voice recognition\n"); 315 status = hfp_hf_deactivate_voice_recognition(acl_handle); 316 break; 317 case 'N': 318 log_info("USER:\'%c\'", cmd); 319 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 320 status = hfp_hf_activate_voice_recognition(acl_handle); 321 break; 322 case 'o': 323 log_info("USER:\'%c\'", cmd); 324 printf("Set speaker gain to 0 (minimum)\n"); 325 status = hfp_hf_set_speaker_gain(acl_handle, 0); 326 break; 327 case 'O': 328 log_info("USER:\'%c\'", cmd); 329 printf("Set speaker gain to 9 (default)\n"); 330 status = hfp_hf_set_speaker_gain(acl_handle, 9); 331 break; 332 case 'p': 333 log_info("USER:\'%c\'", cmd); 334 printf("Set speaker gain to 12 (higher)\n"); 335 status = hfp_hf_set_speaker_gain(acl_handle, 12); 336 break; 337 case 'P': 338 log_info("USER:\'%c\'", cmd); 339 printf("Set speaker gain to 15 (maximum)\n"); 340 status = hfp_hf_set_speaker_gain(acl_handle, 15); 341 break; 342 case 'q': 343 log_info("USER:\'%c\'", cmd); 344 printf("Set microphone gain to 0\n"); 345 status = hfp_hf_set_microphone_gain(acl_handle, 0); 346 break; 347 case 'Q': 348 log_info("USER:\'%c\'", cmd); 349 printf("Set microphone gain to 9\n"); 350 status = hfp_hf_set_microphone_gain(acl_handle, 9); 351 break; 352 case 's': 353 log_info("USER:\'%c\'", cmd); 354 printf("Set microphone gain to 12\n"); 355 status = hfp_hf_set_microphone_gain(acl_handle, 12); 356 break; 357 case 'S': 358 log_info("USER:\'%c\'", cmd); 359 printf("Set microphone gain to 15\n"); 360 status = hfp_hf_set_microphone_gain(acl_handle, 15); 361 break; 362 case 'u': 363 log_info("USER:\'%c\'", cmd); 364 printf("Send 'user busy' (Three-Way Call 0)\n"); 365 status = hfp_hf_user_busy(acl_handle); 366 break; 367 case 'U': 368 log_info("USER:\'%c\'", cmd); 369 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 370 status = hfp_hf_end_active_and_accept_other(acl_handle); 371 break; 372 case 'v': 373 log_info("USER:\'%c\'", cmd); 374 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 375 status = hfp_hf_swap_calls(acl_handle); 376 break; 377 case 'V': 378 log_info("USER:\'%c\'", cmd); 379 printf("Join hold call (Three-Way Call 3)\n"); 380 status = hfp_hf_join_held_call(acl_handle); 381 break; 382 case 'w': 383 log_info("USER:\'%c\'", cmd); 384 printf("Connect calls (Three-Way Call 4)\n"); 385 status = hfp_hf_connect_calls(acl_handle); 386 break; 387 case 'W': 388 log_info("USER:\'%c\'", cmd); 389 printf("Redial\n"); 390 status = hfp_hf_redial_last_number(acl_handle); 391 break; 392 case 'x': 393 log_info("USER:\'%c\'", cmd); 394 printf("Request phone number for voice tag\n"); 395 status = hfp_hf_request_phone_number_for_voice_tag(acl_handle); 396 break; 397 case 'X': 398 log_info("USER:\'%c\'", cmd); 399 printf("Query current call status\n"); 400 status = hfp_hf_query_current_call_status(acl_handle); 401 break; 402 case 'y': 403 log_info("USER:\'%c\'", cmd); 404 printf("Release call with index 2\n"); 405 status = hfp_hf_release_call_with_index(acl_handle, 2); 406 break; 407 case 'Y': 408 log_info("USER:\'%c\'", cmd); 409 printf("Private consultation with call 2\n"); 410 status = hfp_hf_private_consultation_with_call(acl_handle, 2); 411 break; 412 case '[': 413 log_info("USER:\'%c\'", cmd); 414 printf("Query Response and Hold status (RHH ?)\n"); 415 status = hfp_hf_rrh_query_status(acl_handle); 416 break; 417 case ']': 418 log_info("USER:\'%c\'", cmd); 419 printf("Place call in a response and held state (RHH 0)\n"); 420 status = hfp_hf_rrh_hold_call(acl_handle); 421 break; 422 case '{': 423 log_info("USER:\'%c\'", cmd); 424 printf("Accept held call (RHH 1)\n"); 425 status = hfp_hf_rrh_accept_held_call(acl_handle); 426 break; 427 case '}': 428 log_info("USER:\'%c\'", cmd); 429 printf("Reject held call (RHH 2)\n"); 430 status = hfp_hf_rrh_reject_held_call(acl_handle); 431 break; 432 case '?': 433 log_info("USER:\'%c\'", cmd); 434 printf("Query Subscriber Number\n"); 435 status = hfp_hf_query_subscriber_number(acl_handle); 436 break; 437 case '!': 438 log_info("USER:\'%c\'", cmd); 439 printf("Update HF indicator with assigned number 1 (HFI)\n"); 440 status = hfp_hf_set_hf_indicator(acl_handle, 1, 1); 441 break; 442 default: 443 show_usage(); 444 break; 445 } 446 447 if (status != ERROR_CODE_SUCCESS){ 448 printf("Could not perform command, status 0x%02x\n", status); 449 } 450 } 451 #endif 452 453 static void hci_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 454 UNUSED(channel); 455 bd_addr_t event_addr; 456 457 switch (packet_type){ 458 459 case HCI_SCO_DATA_PACKET: 460 // forward received SCO / audio packets to SCO component 461 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 462 sco_demo_receive(event, event_size); 463 break; 464 465 case HCI_EVENT_PACKET: 466 switch (hci_event_packet_get_type(event)){ 467 case BTSTACK_EVENT_STATE: 468 // list supported codecs after stack has started up 469 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 470 dump_supported_codecs(); 471 break; 472 473 case HCI_EVENT_PIN_CODE_REQUEST: 474 // inform about pin code request and respond with '0000' 475 printf("Pin code request - using '0000'\n"); 476 hci_event_pin_code_request_get_bd_addr(event, event_addr); 477 gap_pin_code_response(event_addr, "0000"); 478 break; 479 480 case HCI_EVENT_SCO_CAN_SEND_NOW: 481 sco_demo_send(sco_handle); 482 break; 483 484 default: 485 break; 486 } 487 break; 488 489 default: 490 break; 491 } 492 493 } 494 495 static void hfp_hf_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 496 UNUSED(channel); 497 uint8_t status; 498 bd_addr_t event_addr; 499 500 switch (packet_type){ 501 502 case HCI_SCO_DATA_PACKET: 503 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 504 sco_demo_receive(event, event_size); 505 break; 506 507 case HCI_EVENT_PACKET: 508 switch (hci_event_packet_get_type(event)){ 509 case BTSTACK_EVENT_STATE: 510 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 511 dump_supported_codecs(); 512 break; 513 514 case HCI_EVENT_PIN_CODE_REQUEST: 515 // inform about pin code request 516 printf("Pin code request - using '0000'\n"); 517 hci_event_pin_code_request_get_bd_addr(event, event_addr); 518 gap_pin_code_response(event_addr, "0000"); 519 break; 520 521 case HCI_EVENT_SCO_CAN_SEND_NOW: 522 sco_demo_send(sco_handle); 523 break; 524 525 case HCI_EVENT_HFP_META: 526 switch (hci_event_hfp_meta_get_subevent_code(event)) { 527 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 528 status = hfp_subevent_service_level_connection_established_get_status(event); 529 if (status != ERROR_CODE_SUCCESS){ 530 printf("Connection failed, status 0x%02x\n", status); 531 break; 532 } 533 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 534 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 535 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 536 break; 537 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 538 acl_handle = HCI_CON_HANDLE_INVALID; 539 printf("Service level connection released.\n\n"); 540 break; 541 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 542 status = hfp_subevent_audio_connection_established_get_status(event); 543 if (status != ERROR_CODE_SUCCESS){ 544 printf("Audio connection establishment failed with status 0x%02x\n", status); 545 break; 546 } 547 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 548 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 549 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 550 switch (negotiated_codec){ 551 case 0x01: 552 printf("Using CVSD codec.\n"); 553 break; 554 case 0x02: 555 printf("Using mSBC codec.\n"); 556 break; 557 default: 558 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 559 break; 560 } 561 sco_demo_set_codec(negotiated_codec); 562 hci_request_sco_can_send_now_event(); 563 break; 564 565 case HFP_SUBEVENT_CALL_ANSWERED: 566 printf("Call answered\n"); 567 break; 568 569 case HFP_SUBEVENT_CALL_TERMINATED: 570 printf("Call terminated\n"); 571 break; 572 573 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 574 sco_handle = HCI_CON_HANDLE_INVALID; 575 printf("Audio connection released\n"); 576 sco_demo_close(); 577 break; 578 case HFP_SUBEVENT_COMPLETE: 579 status = hfp_subevent_complete_get_status(event); 580 if (status == ERROR_CODE_SUCCESS){ 581 printf("Cmd \'%c\' succeeded\n", cmd); 582 } else { 583 printf("Cmd \'%c\' failed with status 0x%02x\n", cmd, status); 584 } 585 break; 586 587 case HFP_SUBEVENT_AG_INDICATOR_MAPPING: 588 printf("AG Indicator Mapping | INDEX %d: range [%d, %d], name '%s'\n", 589 hfp_subevent_ag_indicator_mapping_get_indicator_index(event), 590 hfp_subevent_ag_indicator_mapping_get_indicator_min_range(event), 591 hfp_subevent_ag_indicator_mapping_get_indicator_max_range(event), 592 (const char*) hfp_subevent_ag_indicator_mapping_get_indicator_name(event)); 593 break; 594 595 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 596 printf("AG Indicator Status | INDEX %d: status 0x%02x, '%s'\n", 597 hfp_subevent_ag_indicator_status_changed_get_indicator_index(event), 598 hfp_subevent_ag_indicator_status_changed_get_indicator_status(event), 599 (const char*) hfp_subevent_ag_indicator_status_changed_get_indicator_name(event)); 600 break; 601 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 602 printf("NETWORK_OPERATOR_CHANGED, operator mode %d, format %d, name %s\n", 603 hfp_subevent_network_operator_changed_get_network_operator_mode(event), 604 hfp_subevent_network_operator_changed_get_network_operator_format(event), 605 (char *) hfp_subevent_network_operator_changed_get_network_operator_name(event)); 606 break; 607 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 608 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status 0x%02x\n", 609 hfp_subevent_extended_audio_gateway_error_get_error(event)); 610 break; 611 case HFP_SUBEVENT_START_RINGING: 612 printf("** START Ringing **\n"); 613 break; 614 case HFP_SUBEVENT_RING: 615 printf("** Ring **\n"); 616 break; 617 case HFP_SUBEVENT_STOP_RINGING: 618 printf("** STOP Ringing **\n"); 619 break; 620 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 621 printf("Phone number for voice tag: %s\n", 622 (const char *) hfp_subevent_number_for_voice_tag_get_number(event)); 623 break; 624 case HFP_SUBEVENT_SPEAKER_VOLUME: 625 printf("Speaker volume: gain %u\n", 626 hfp_subevent_speaker_volume_get_gain(event)); 627 break; 628 case HFP_SUBEVENT_MICROPHONE_VOLUME: 629 printf("Microphone volume: gain %u\n", 630 hfp_subevent_microphone_volume_get_gain(event)); 631 break; 632 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 633 printf("Caller ID, number '%s', alpha '%s'\n", (const char *) hfp_subevent_calling_line_identification_notification_get_number(event), 634 (const char *) hfp_subevent_calling_line_identification_notification_get_alpha(event)); 635 break; 636 case HFP_SUBEVENT_ENHANCED_CALL_STATUS: 637 printf("Enhanced call status:\n"); 638 printf(" - call index: %d \n", hfp_subevent_enhanced_call_status_get_clcc_idx(event)); 639 printf(" - direction : %s \n", hfp_enhanced_call_dir2str(hfp_subevent_enhanced_call_status_get_clcc_dir(event))); 640 printf(" - status : %s \n", hfp_enhanced_call_status2str(hfp_subevent_enhanced_call_status_get_clcc_status(event))); 641 printf(" - mode : %s \n", hfp_enhanced_call_mode2str(hfp_subevent_enhanced_call_status_get_clcc_mode(event))); 642 printf(" - multipart : %s \n", hfp_enhanced_call_mpty2str(hfp_subevent_enhanced_call_status_get_clcc_mpty(event))); 643 printf(" - type : %d \n", hfp_subevent_enhanced_call_status_get_bnip_type(event)); 644 printf(" - number : %s \n", hfp_subevent_enhanced_call_status_get_bnip_number(event)); 645 break; 646 647 case HFP_SUBEVENT_VOICE_RECOGNITION_ACTIVATED: 648 status = hfp_subevent_voice_recognition_activated_get_status(event); 649 if (status != ERROR_CODE_SUCCESS){ 650 printf("Voice Recognition Activate command failed, status 0x%02x\n", status); 651 break; 652 } 653 654 switch (hfp_subevent_voice_recognition_activated_get_enhanced(event)){ 655 case 0: 656 printf("\nVoice recognition ACTIVATED\n\n"); 657 break; 658 default: 659 printf("\nEnhanced voice recognition ACTIVATED.\n"); 660 printf("Start new audio enhanced voice recognition session %s\n\n", bd_addr_to_str(device_addr)); 661 status = hfp_hf_enhanced_voice_recognition_report_ready_for_audio(acl_handle); 662 break; 663 } 664 break; 665 666 case HFP_SUBEVENT_VOICE_RECOGNITION_DEACTIVATED: 667 status = hfp_subevent_voice_recognition_deactivated_get_status(event); 668 if (status != ERROR_CODE_SUCCESS){ 669 printf("Voice Recognition Deactivate command failed, status 0x%02x\n", status); 670 break; 671 } 672 printf("\nVoice Recognition DEACTIVATED\n\n"); 673 break; 674 675 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 676 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 677 report_status(status, "Enhanced Voice recognition: READY FOR AUDIO"); 678 break; 679 680 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 681 printf("\nEnhanced Voice recognition AG status: AG READY TO ACCEPT AUDIO INPUT\n\n"); 682 break; 683 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 684 printf("\nEnhanced Voice recognition AG status: AG IS STARTING SOUND\n\n"); 685 break; 686 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 687 printf("\nEnhanced Voice recognition AG status: AG IS PROCESSING AUDIO INPUT\n\n"); 688 break; 689 690 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_MESSAGE: 691 printf("\nEnhanced Voice recognition AG message: \'%s\'\n", hfp_subevent_enhanced_voice_recognition_ag_message_get_text(event)); 692 break; 693 694 case HFP_SUBEVENT_ECHO_CANCELING_AND_NOISE_REDUCTION_DEACTIVATE: 695 status = hfp_subevent_echo_canceling_and_noise_reduction_deactivate_get_status(event); 696 report_status(status, "Echo Canceling and Noise Reduction Deactivate"); 697 break; 698 default: 699 break; 700 } 701 break; 702 703 default: 704 break; 705 } 706 break; 707 708 default: 709 break; 710 } 711 712 } 713 714 /* @section Main Application Setup 715 * 716 * @text Listing MainConfiguration shows main application code. 717 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 718 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 719 * The stdin_process callback allows for sending commands to the HFP AG. 720 * At the end the Bluetooth stack is started. 721 */ 722 723 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 724 int btstack_main(int argc, const char * argv[]); 725 int btstack_main(int argc, const char * argv[]){ 726 (void)argc; 727 (void)argv; 728 729 // Init protocols 730 // init L2CAP 731 l2cap_init(); 732 rfcomm_init(); 733 sdp_init(); 734 #ifdef ENABLE_BLE 735 // Initialize LE Security Manager. Needed for cross-transport key derivation 736 sm_init(); 737 #endif 738 739 // Init profiles 740 uint16_t hf_supported_features = 741 (1<<HFP_HFSF_ESCO_S4) | 742 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 743 (1<<HFP_HFSF_HF_INDICATORS) | 744 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 745 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 746 (1<<HFP_HFSF_VOICE_RECOGNITION_FUNCTION) | 747 (1<<HFP_HFSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 748 (1<<HFP_HFSF_VOICE_RECOGNITION_TEXT) | 749 (1<<HFP_HFSF_EC_NR_FUNCTION) | 750 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 751 int wide_band_speech = 1; 752 hfp_hf_init(rfcomm_channel_nr); 753 hfp_hf_init_supported_features(hf_supported_features); 754 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 755 hfp_hf_init_codecs(sizeof(codecs), codecs); 756 hfp_hf_register_packet_handler(hfp_hf_packet_handler); 757 758 759 // Configure SDP 760 761 // - Create and register HFP HF service record 762 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 763 hfp_hf_create_sdp_record(hfp_service_buffer, sdp_create_service_record_handle(), 764 rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 765 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 766 sdp_register_service(hfp_service_buffer); 767 768 // Configure GAP - discovery / connection 769 770 // - Set local name with a template Bluetooth address, that will be automatically 771 // replaced with an actual address once it is available, i.e. when BTstack boots 772 // up and starts talking to a Bluetooth module. 773 gap_set_local_name("HFP HF Demo 00:00:00:00:00:00"); 774 775 // - Allow to show up in Bluetooth inquiry 776 gap_discoverable_control(1); 777 778 // - Set Class of Device - Service Class: Audio, Major Device Class: Audio, Minor: Hands-Free device 779 gap_set_class_of_device(0x200408); 780 781 // - Allow for role switch in general and sniff mode 782 gap_set_default_link_policy_settings( LM_LINK_POLICY_ENABLE_ROLE_SWITCH | LM_LINK_POLICY_ENABLE_SNIFF_MODE ); 783 784 // - Allow for role switch on outgoing connections - this allows HFP AG, e.g. smartphone, to become master when we re-connect to it 785 gap_set_allow_role_switch(true); 786 787 // Register for HCI events and SCO packets 788 hci_event_callback_registration.callback = &hci_packet_handler; 789 hci_add_event_handler(&hci_event_callback_registration); 790 hci_register_sco_packet_handler(&hci_packet_handler); 791 792 793 // Init SCO / HFP audio processing 794 sco_demo_init(); 795 796 #ifdef HAVE_BTSTACK_STDIN 797 // parse human readable Bluetooth address 798 sscanf_bd_addr(device_addr_string, device_addr); 799 btstack_stdin_setup(stdin_process); 800 #endif 801 802 // turn on! 803 hci_power_control(HCI_POWER_ON); 804 return 0; 805 } 806 /* LISTING_END */ 807 /* EXAMPLE_END */ 808