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 85 static uint8_t codecs[] = { 86 HFP_CODEC_CVSD, 87 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 88 HFP_CODEC_MSBC, 89 #endif 90 #ifdef ENABLE_HFP_SUPER_WIDE_BAND_SPEECH 91 HFP_CODEC_LC3_SWB, 92 #endif 93 }; 94 95 static uint16_t indicators[1] = {0x01}; 96 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 97 static btstack_packet_callback_registration_t hci_event_callback_registration; 98 static char cmd; 99 100 static void dump_supported_codecs(void){ 101 printf("Supported codecs: CVSD"); 102 if (hci_extended_sco_link_supported()) { 103 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 104 printf(", mSBC"); 105 #endif 106 #ifdef ENABLE_HFP_SUPER_WIDE_BAND_SPEECH 107 printf(", LC3-SWB"); 108 #endif 109 printf("\n"); 110 } else { 111 printf("\nmSBC and/or LC3-SWB disabled as eSCO not supported by local controller.\n"); 112 } 113 } 114 115 static void report_status(uint8_t status, const char * message){ 116 if (status != ERROR_CODE_SUCCESS){ 117 printf("%s command failed, status 0x%02x\n", message, status); 118 } else { 119 printf("%s command successful\n", message); 120 } 121 } 122 123 #ifdef HAVE_BTSTACK_STDIN 124 125 // Testig User Interface 126 static void show_usage(void){ 127 bd_addr_t iut_address; 128 gap_local_bd_addr(iut_address); 129 130 printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 131 printf("\n"); 132 printf("a - establish SLC to %s | ", bd_addr_to_str(device_addr)); 133 printf("A - release SLC connection to device\n"); 134 printf("b - establish Audio connection | B - release Audio connection\n"); 135 printf("d - query network operator | D - Enable HFP AG registration status update via bitmap(IIA)\n"); 136 printf("f - answer incoming call | F - Hangup call\n"); 137 printf("g - query network operator name | G - reject incoming call\n"); 138 printf("i - dial 1234567 | I - dial 7654321\n"); 139 printf("j - dial #1 | J - dial #99\n"); 140 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 141 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 142 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 143 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 144 printf("t - terminate connection\n"); 145 printf("u - send 'user busy' (TWC 0)\n"); 146 printf("U - end active call and accept other call' (TWC 1)\n"); 147 printf("v - Swap active call call (TWC 2) | V - Join held call (TWC 3)\n"); 148 printf("w - Connect calls (TWC 4) | W - redial\n"); 149 printf("m - deactivate echo canceling and noise reduction\n"); 150 printf("c/C - disable/enable registration status update for all AG indicators\n"); 151 printf("e/E - disable/enable reporting of the extended AG error result code\n"); 152 printf("k/K - deactivate/activate call waiting notification\n"); 153 printf("l/L - deactivate/activate calling line notification\n"); 154 printf("n/N - deactivate/activate voice recognition\n"); 155 156 printf("0123456789#*-+ - send DTMF dial tones\n"); 157 printf("x - request phone number for voice tag | X - current call status (ECS)\n"); 158 printf("y - release call with index 2 (ECC) | Y - private consultation with call 2(ECC)\n"); 159 printf("[ - Query Response and Hold status (RHH ?) | ] - Place call in a response and held state(RHH 0)\n"); 160 printf("{ - Accept held call(RHH 1) | } - Reject held call(RHH 2)\n"); 161 printf("? - Query Subscriber Number (NUM)\n"); 162 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 163 printf("\n"); 164 } 165 166 static void stdin_process(char c){ 167 uint8_t status = ERROR_CODE_SUCCESS; 168 169 cmd = c; // used in packet handler 170 171 if (cmd >= '0' && cmd <= '9'){ 172 printf("DTMF Code: %c\n", cmd); 173 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 174 return; 175 } 176 177 switch (cmd){ 178 case '#': 179 case '-': 180 case '+': 181 case '*': 182 log_info("USER:\'%c\'", cmd); 183 printf("DTMF Code: %c\n", cmd); 184 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 185 break; 186 case 'a': 187 log_info("USER:\'%c\'", cmd); 188 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 189 status = hfp_hf_establish_service_level_connection(device_addr); 190 break; 191 case 'A': 192 log_info("USER:\'%c\'", cmd); 193 printf("Release Service level connection.\n"); 194 status = hfp_hf_release_service_level_connection(acl_handle); 195 break; 196 case 'b': 197 log_info("USER:\'%c\'", cmd); 198 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 199 status = hfp_hf_establish_audio_connection(acl_handle); 200 break; 201 case 'B': 202 log_info("USER:\'%c\'", cmd); 203 printf("Release Audio service level connection.\n"); 204 status = hfp_hf_release_audio_connection(acl_handle); 205 break; 206 case 'C': 207 log_info("USER:\'%c\'", cmd); 208 printf("Enable registration status update for all AG indicators.\n"); 209 status = hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 210 break; 211 case 'c': 212 log_info("USER:\'%c\'", cmd); 213 printf("Disable registration status update for all AG indicators.\n"); 214 status = hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 215 break; 216 case 'D': 217 log_info("USER:\'%c\'", cmd); 218 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 219 status = hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 220 break; 221 case 'd': 222 log_info("USER:\'%c\'", cmd); 223 printf("Query network operator.\n"); 224 status = hfp_hf_query_operator_selection(acl_handle); 225 break; 226 case 'E': 227 log_info("USER:\'%c\'", cmd); 228 printf("Enable reporting of the extended AG error result code.\n"); 229 status = hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 230 break; 231 case 'e': 232 log_info("USER:\'%c\'", cmd); 233 printf("Disable reporting of the extended AG error result code.\n"); 234 status = hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 235 break; 236 case 'f': 237 log_info("USER:\'%c\'", cmd); 238 printf("Answer incoming call.\n"); 239 status = hfp_hf_answer_incoming_call(acl_handle); 240 break; 241 case 'F': 242 log_info("USER:\'%c\'", cmd); 243 printf("Hangup call.\n"); 244 status = hfp_hf_terminate_call(acl_handle); 245 break; 246 case 'G': 247 log_info("USER:\'%c\'", cmd); 248 printf("Reject incoming call.\n"); 249 status = hfp_hf_reject_incoming_call(acl_handle); 250 break; 251 case 'g': 252 log_info("USER:\'%c\'", cmd); 253 printf("Query operator.\n"); 254 status = hfp_hf_query_operator_selection(acl_handle); 255 break; 256 case 't': 257 log_info("USER:\'%c\'", cmd); 258 printf("Terminate HCI connection.\n"); 259 gap_disconnect(acl_handle); 260 break; 261 case 'i': 262 log_info("USER:\'%c\'", cmd); 263 printf("Dial 1234567\n"); 264 status = hfp_hf_dial_number(acl_handle, "1234567"); 265 break; 266 case 'I': 267 log_info("USER:\'%c\'", cmd); 268 printf("Dial 7654321\n"); 269 status = hfp_hf_dial_number(acl_handle, "7654321"); 270 break; 271 case 'j': 272 log_info("USER:\'%c\'", cmd); 273 printf("Dial #1\n"); 274 status = hfp_hf_dial_memory(acl_handle,1); 275 break; 276 case 'J': 277 log_info("USER:\'%c\'", cmd); 278 printf("Dial #99\n"); 279 status = hfp_hf_dial_memory(acl_handle,99); 280 break; 281 case 'k': 282 log_info("USER:\'%c\'", cmd); 283 printf("Deactivate call waiting notification\n"); 284 status = hfp_hf_deactivate_call_waiting_notification(acl_handle); 285 break; 286 case 'K': 287 log_info("USER:\'%c\'", cmd); 288 printf("Activate call waiting notification\n"); 289 status = hfp_hf_activate_call_waiting_notification(acl_handle); 290 break; 291 case 'l': 292 log_info("USER:\'%c\'", cmd); 293 printf("Deactivate calling line notification\n"); 294 status = hfp_hf_deactivate_calling_line_notification(acl_handle); 295 break; 296 case 'L': 297 log_info("USER:\'%c\'", cmd); 298 printf("Activate calling line notification\n"); 299 status = hfp_hf_activate_calling_line_notification(acl_handle); 300 break; 301 case 'm': 302 log_info("USER:\'%c\'", cmd); 303 printf("Deactivate echo canceling and noise reduction\n"); 304 status = hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 305 break; 306 case 'n': 307 log_info("USER:\'%c\'", cmd); 308 printf("Deactivate voice recognition\n"); 309 status = hfp_hf_deactivate_voice_recognition(acl_handle); 310 break; 311 case 'N': 312 log_info("USER:\'%c\'", cmd); 313 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 314 status = hfp_hf_activate_voice_recognition(acl_handle); 315 break; 316 case 'o': 317 log_info("USER:\'%c\'", cmd); 318 printf("Set speaker gain to 0 (minimum)\n"); 319 status = hfp_hf_set_speaker_gain(acl_handle, 0); 320 break; 321 case 'O': 322 log_info("USER:\'%c\'", cmd); 323 printf("Set speaker gain to 9 (default)\n"); 324 status = hfp_hf_set_speaker_gain(acl_handle, 9); 325 break; 326 case 'p': 327 log_info("USER:\'%c\'", cmd); 328 printf("Set speaker gain to 12 (higher)\n"); 329 status = hfp_hf_set_speaker_gain(acl_handle, 12); 330 break; 331 case 'P': 332 log_info("USER:\'%c\'", cmd); 333 printf("Set speaker gain to 15 (maximum)\n"); 334 status = hfp_hf_set_speaker_gain(acl_handle, 15); 335 break; 336 case 'q': 337 log_info("USER:\'%c\'", cmd); 338 printf("Set microphone gain to 0\n"); 339 status = hfp_hf_set_microphone_gain(acl_handle, 0); 340 break; 341 case 'Q': 342 log_info("USER:\'%c\'", cmd); 343 printf("Set microphone gain to 9\n"); 344 status = hfp_hf_set_microphone_gain(acl_handle, 9); 345 break; 346 case 's': 347 log_info("USER:\'%c\'", cmd); 348 printf("Set microphone gain to 12\n"); 349 status = hfp_hf_set_microphone_gain(acl_handle, 12); 350 break; 351 case 'S': 352 log_info("USER:\'%c\'", cmd); 353 printf("Set microphone gain to 15\n"); 354 status = hfp_hf_set_microphone_gain(acl_handle, 15); 355 break; 356 case 'u': 357 log_info("USER:\'%c\'", cmd); 358 printf("Send 'user busy' (Three-Way Call 0)\n"); 359 status = hfp_hf_user_busy(acl_handle); 360 break; 361 case 'U': 362 log_info("USER:\'%c\'", cmd); 363 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 364 status = hfp_hf_end_active_and_accept_other(acl_handle); 365 break; 366 case 'v': 367 log_info("USER:\'%c\'", cmd); 368 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 369 status = hfp_hf_swap_calls(acl_handle); 370 break; 371 case 'V': 372 log_info("USER:\'%c\'", cmd); 373 printf("Join hold call (Three-Way Call 3)\n"); 374 status = hfp_hf_join_held_call(acl_handle); 375 break; 376 case 'w': 377 log_info("USER:\'%c\'", cmd); 378 printf("Connect calls (Three-Way Call 4)\n"); 379 status = hfp_hf_connect_calls(acl_handle); 380 break; 381 case 'W': 382 log_info("USER:\'%c\'", cmd); 383 printf("Redial\n"); 384 status = hfp_hf_redial_last_number(acl_handle); 385 break; 386 case 'x': 387 log_info("USER:\'%c\'", cmd); 388 printf("Request phone number for voice tag\n"); 389 status = hfp_hf_request_phone_number_for_voice_tag(acl_handle); 390 break; 391 case 'X': 392 log_info("USER:\'%c\'", cmd); 393 printf("Query current call status\n"); 394 status = hfp_hf_query_current_call_status(acl_handle); 395 break; 396 case 'y': 397 log_info("USER:\'%c\'", cmd); 398 printf("Release call with index 2\n"); 399 status = hfp_hf_release_call_with_index(acl_handle, 2); 400 break; 401 case 'Y': 402 log_info("USER:\'%c\'", cmd); 403 printf("Private consultation with call 2\n"); 404 status = hfp_hf_private_consultation_with_call(acl_handle, 2); 405 break; 406 case '[': 407 log_info("USER:\'%c\'", cmd); 408 printf("Query Response and Hold status (RHH ?)\n"); 409 status = hfp_hf_rrh_query_status(acl_handle); 410 break; 411 case ']': 412 log_info("USER:\'%c\'", cmd); 413 printf("Place call in a response and held state (RHH 0)\n"); 414 status = hfp_hf_rrh_hold_call(acl_handle); 415 break; 416 case '{': 417 log_info("USER:\'%c\'", cmd); 418 printf("Accept held call (RHH 1)\n"); 419 status = hfp_hf_rrh_accept_held_call(acl_handle); 420 break; 421 case '}': 422 log_info("USER:\'%c\'", cmd); 423 printf("Reject held call (RHH 2)\n"); 424 status = hfp_hf_rrh_reject_held_call(acl_handle); 425 break; 426 case '?': 427 log_info("USER:\'%c\'", cmd); 428 printf("Query Subscriber Number\n"); 429 status = hfp_hf_query_subscriber_number(acl_handle); 430 break; 431 case '!': 432 log_info("USER:\'%c\'", cmd); 433 printf("Update HF indicator with assigned number 1 (HFI)\n"); 434 status = hfp_hf_set_hf_indicator(acl_handle, 1, 1); 435 break; 436 default: 437 show_usage(); 438 break; 439 } 440 441 if (status != ERROR_CODE_SUCCESS){ 442 printf("Could not perform command, status 0x%02x\n", status); 443 } 444 } 445 #endif 446 447 static void hci_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 448 UNUSED(channel); 449 bd_addr_t event_addr; 450 451 switch (packet_type){ 452 453 case HCI_SCO_DATA_PACKET: 454 // forward received SCO / audio packets to SCO component 455 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 456 sco_demo_receive(event, event_size); 457 break; 458 459 case HCI_EVENT_PACKET: 460 switch (hci_event_packet_get_type(event)){ 461 case BTSTACK_EVENT_STATE: 462 // list supported codecs after stack has started up 463 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 464 dump_supported_codecs(); 465 break; 466 467 case HCI_EVENT_PIN_CODE_REQUEST: 468 // inform about pin code request and respond with '0000' 469 printf("Pin code request - using '0000'\n"); 470 hci_event_pin_code_request_get_bd_addr(event, event_addr); 471 gap_pin_code_response(event_addr, "0000"); 472 break; 473 474 case HCI_EVENT_SCO_CAN_SEND_NOW: 475 sco_demo_send(sco_handle); 476 break; 477 478 default: 479 break; 480 } 481 break; 482 483 default: 484 break; 485 } 486 487 } 488 489 static void hfp_hf_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 490 UNUSED(channel); 491 uint8_t status; 492 bd_addr_t event_addr; 493 494 switch (packet_type){ 495 496 case HCI_SCO_DATA_PACKET: 497 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 498 sco_demo_receive(event, event_size); 499 break; 500 501 case HCI_EVENT_PACKET: 502 switch (hci_event_packet_get_type(event)){ 503 case BTSTACK_EVENT_STATE: 504 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 505 dump_supported_codecs(); 506 break; 507 508 case HCI_EVENT_PIN_CODE_REQUEST: 509 // inform about pin code request 510 printf("Pin code request - using '0000'\n"); 511 hci_event_pin_code_request_get_bd_addr(event, event_addr); 512 gap_pin_code_response(event_addr, "0000"); 513 break; 514 515 case HCI_EVENT_SCO_CAN_SEND_NOW: 516 sco_demo_send(sco_handle); 517 break; 518 519 case HCI_EVENT_HFP_META: 520 switch (hci_event_hfp_meta_get_subevent_code(event)) { 521 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 522 status = hfp_subevent_service_level_connection_established_get_status(event); 523 if (status != ERROR_CODE_SUCCESS){ 524 printf("Connection failed, status 0x%02x\n", status); 525 break; 526 } 527 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 528 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 529 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 530 break; 531 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 532 acl_handle = HCI_CON_HANDLE_INVALID; 533 printf("Service level connection released.\n\n"); 534 break; 535 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 536 status = hfp_subevent_audio_connection_established_get_status(event); 537 if (status != ERROR_CODE_SUCCESS){ 538 printf("Audio connection establishment failed with status 0x%02x\n", status); 539 break; 540 } 541 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 542 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 543 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 544 switch (negotiated_codec){ 545 case HFP_CODEC_CVSD: 546 printf("Using CVSD codec.\n"); 547 break; 548 case HFP_CODEC_MSBC: 549 printf("Using mSBC codec.\n"); 550 break; 551 case HFP_CODEC_LC3_SWB: 552 printf("Using LC3-SWB codec.\n"); 553 break; 554 default: 555 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 556 break; 557 } 558 sco_demo_set_codec(negotiated_codec); 559 hci_request_sco_can_send_now_event(); 560 break; 561 562 case HFP_SUBEVENT_CALL_ANSWERED: 563 printf("Call answered\n"); 564 break; 565 566 case HFP_SUBEVENT_CALL_TERMINATED: 567 printf("Call terminated\n"); 568 break; 569 570 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 571 sco_handle = HCI_CON_HANDLE_INVALID; 572 printf("Audio connection released\n"); 573 sco_demo_close(); 574 break; 575 case HFP_SUBEVENT_COMPLETE: 576 status = hfp_subevent_complete_get_status(event); 577 if (status == ERROR_CODE_SUCCESS){ 578 printf("Cmd \'%c\' succeeded\n", cmd); 579 } else { 580 printf("Cmd \'%c\' failed with status 0x%02x\n", cmd, status); 581 } 582 break; 583 584 case HFP_SUBEVENT_AG_INDICATOR_MAPPING: 585 printf("AG Indicator Mapping | INDEX %d: range [%d, %d], name '%s'\n", 586 hfp_subevent_ag_indicator_mapping_get_indicator_index(event), 587 hfp_subevent_ag_indicator_mapping_get_indicator_min_range(event), 588 hfp_subevent_ag_indicator_mapping_get_indicator_max_range(event), 589 (const char*) hfp_subevent_ag_indicator_mapping_get_indicator_name(event)); 590 break; 591 592 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 593 printf("AG Indicator Status | INDEX %d: status 0x%02x, '%s'\n", 594 hfp_subevent_ag_indicator_status_changed_get_indicator_index(event), 595 hfp_subevent_ag_indicator_status_changed_get_indicator_status(event), 596 (const char*) hfp_subevent_ag_indicator_status_changed_get_indicator_name(event)); 597 break; 598 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 599 printf("NETWORK_OPERATOR_CHANGED, operator mode %d, format %d, name %s\n", 600 hfp_subevent_network_operator_changed_get_network_operator_mode(event), 601 hfp_subevent_network_operator_changed_get_network_operator_format(event), 602 (char *) hfp_subevent_network_operator_changed_get_network_operator_name(event)); 603 break; 604 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 605 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status 0x%02x\n", 606 hfp_subevent_extended_audio_gateway_error_get_error(event)); 607 break; 608 case HFP_SUBEVENT_START_RINGING: 609 printf("** START Ringing **\n"); 610 break; 611 case HFP_SUBEVENT_RING: 612 printf("** Ring **\n"); 613 break; 614 case HFP_SUBEVENT_STOP_RINGING: 615 printf("** STOP Ringing **\n"); 616 break; 617 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 618 printf("Phone number for voice tag: %s\n", 619 (const char *) hfp_subevent_number_for_voice_tag_get_number(event)); 620 break; 621 case HFP_SUBEVENT_SPEAKER_VOLUME: 622 printf("Speaker volume: gain %u\n", 623 hfp_subevent_speaker_volume_get_gain(event)); 624 break; 625 case HFP_SUBEVENT_MICROPHONE_VOLUME: 626 printf("Microphone volume: gain %u\n", 627 hfp_subevent_microphone_volume_get_gain(event)); 628 break; 629 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 630 printf("Caller ID, number '%s', alpha '%s'\n", (const char *) hfp_subevent_calling_line_identification_notification_get_number(event), 631 (const char *) hfp_subevent_calling_line_identification_notification_get_alpha(event)); 632 break; 633 case HFP_SUBEVENT_ENHANCED_CALL_STATUS: 634 printf("Enhanced call status:\n"); 635 printf(" - call index: %d \n", hfp_subevent_enhanced_call_status_get_clcc_idx(event)); 636 printf(" - direction : %s \n", hfp_enhanced_call_dir2str(hfp_subevent_enhanced_call_status_get_clcc_dir(event))); 637 printf(" - status : %s \n", hfp_enhanced_call_status2str(hfp_subevent_enhanced_call_status_get_clcc_status(event))); 638 printf(" - mode : %s \n", hfp_enhanced_call_mode2str(hfp_subevent_enhanced_call_status_get_clcc_mode(event))); 639 printf(" - multipart : %s \n", hfp_enhanced_call_mpty2str(hfp_subevent_enhanced_call_status_get_clcc_mpty(event))); 640 printf(" - type : %d \n", hfp_subevent_enhanced_call_status_get_bnip_type(event)); 641 printf(" - number : %s \n", hfp_subevent_enhanced_call_status_get_bnip_number(event)); 642 break; 643 644 case HFP_SUBEVENT_VOICE_RECOGNITION_ACTIVATED: 645 status = hfp_subevent_voice_recognition_activated_get_status(event); 646 if (status != ERROR_CODE_SUCCESS){ 647 printf("Voice Recognition Activate command failed, status 0x%02x\n", status); 648 break; 649 } 650 651 switch (hfp_subevent_voice_recognition_activated_get_enhanced(event)){ 652 case 0: 653 printf("\nVoice recognition ACTIVATED\n\n"); 654 break; 655 default: 656 printf("\nEnhanced voice recognition ACTIVATED.\n"); 657 printf("Start new audio enhanced voice recognition session %s\n\n", bd_addr_to_str(device_addr)); 658 status = hfp_hf_enhanced_voice_recognition_report_ready_for_audio(acl_handle); 659 break; 660 } 661 break; 662 663 case HFP_SUBEVENT_VOICE_RECOGNITION_DEACTIVATED: 664 status = hfp_subevent_voice_recognition_deactivated_get_status(event); 665 if (status != ERROR_CODE_SUCCESS){ 666 printf("Voice Recognition Deactivate command failed, status 0x%02x\n", status); 667 break; 668 } 669 printf("\nVoice Recognition DEACTIVATED\n\n"); 670 break; 671 672 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 673 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 674 report_status(status, "Enhanced Voice recognition: READY FOR AUDIO"); 675 break; 676 677 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 678 printf("\nEnhanced Voice recognition AG status: AG READY TO ACCEPT AUDIO INPUT\n\n"); 679 break; 680 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 681 printf("\nEnhanced Voice recognition AG status: AG IS STARTING SOUND\n\n"); 682 break; 683 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 684 printf("\nEnhanced Voice recognition AG status: AG IS PROCESSING AUDIO INPUT\n\n"); 685 break; 686 687 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_MESSAGE: 688 printf("\nEnhanced Voice recognition AG message: \'%s\'\n", hfp_subevent_enhanced_voice_recognition_ag_message_get_text(event)); 689 break; 690 691 case HFP_SUBEVENT_ECHO_CANCELING_AND_NOISE_REDUCTION_DEACTIVATE: 692 status = hfp_subevent_echo_canceling_and_noise_reduction_deactivate_get_status(event); 693 report_status(status, "Echo Canceling and Noise Reduction Deactivate"); 694 break; 695 default: 696 break; 697 } 698 break; 699 700 default: 701 break; 702 } 703 break; 704 705 default: 706 break; 707 } 708 709 } 710 711 /* @section Main Application Setup 712 * 713 * @text Listing MainConfiguration shows main application code. 714 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 715 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 716 * The stdin_process callback allows for sending commands to the HFP AG. 717 * At the end the Bluetooth stack is started. 718 */ 719 720 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 721 int btstack_main(int argc, const char * argv[]); 722 int btstack_main(int argc, const char * argv[]){ 723 (void)argc; 724 (void)argv; 725 726 // Init protocols 727 // init L2CAP 728 l2cap_init(); 729 rfcomm_init(); 730 sdp_init(); 731 #ifdef ENABLE_BLE 732 // Initialize LE Security Manager. Needed for cross-transport key derivation 733 sm_init(); 734 #endif 735 736 // Init profiles 737 uint16_t hf_supported_features = 738 (1<<HFP_HFSF_ESCO_S4) | 739 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 740 (1<<HFP_HFSF_HF_INDICATORS) | 741 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 742 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 743 (1<<HFP_HFSF_VOICE_RECOGNITION_FUNCTION) | 744 (1<<HFP_HFSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 745 (1<<HFP_HFSF_VOICE_RECOGNITION_TEXT) | 746 (1<<HFP_HFSF_EC_NR_FUNCTION) | 747 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 748 int wide_band_speech = 1; 749 hfp_hf_init(rfcomm_channel_nr); 750 hfp_hf_init_supported_features(hf_supported_features); 751 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 752 hfp_hf_init_codecs(sizeof(codecs), codecs); 753 hfp_hf_register_packet_handler(hfp_hf_packet_handler); 754 755 756 // Configure SDP 757 758 // - Create and register HFP HF service record 759 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 760 hfp_hf_create_sdp_record(hfp_service_buffer, sdp_create_service_record_handle(), 761 rfcomm_channel_nr, hfp_hf_service_name, hf_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 // Configure GAP - discovery / connection 766 767 // - Set local name with a template Bluetooth address, that will be automatically 768 // replaced with an actual address once it is available, i.e. when BTstack boots 769 // up and starts talking to a Bluetooth module. 770 gap_set_local_name("HFP HF Demo 00:00:00:00:00:00"); 771 772 // - Allow to show up in Bluetooth inquiry 773 gap_discoverable_control(1); 774 775 // - Set Class of Device - Service Class: Audio, Major Device Class: Audio, Minor: Hands-Free device 776 gap_set_class_of_device(0x200408); 777 778 // - Allow for role switch in general and sniff mode 779 gap_set_default_link_policy_settings( LM_LINK_POLICY_ENABLE_ROLE_SWITCH | LM_LINK_POLICY_ENABLE_SNIFF_MODE ); 780 781 // - Allow for role switch on outgoing connections - this allows HFP AG, e.g. smartphone, to become master when we re-connect to it 782 gap_set_allow_role_switch(true); 783 784 // Register for HCI events and SCO packets 785 hci_event_callback_registration.callback = &hci_packet_handler; 786 hci_add_event_handler(&hci_event_callback_registration); 787 hci_register_sco_packet_handler(&hci_packet_handler); 788 789 790 // Init SCO / HFP audio processing 791 sco_demo_init(); 792 793 #ifdef HAVE_BTSTACK_STDIN 794 // parse human readable Bluetooth address 795 sscanf_bd_addr(device_addr_string, device_addr); 796 btstack_stdin_setup(stdin_process); 797 #endif 798 799 // turn on! 800 hci_power_control(HCI_POWER_ON); 801 return 0; 802 } 803 /* LISTING_END */ 804 /* EXAMPLE_END */ 805