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 #undef HAVE_BTSTACK_STDIN 70 71 #ifdef HAVE_BTSTACK_STDIN 72 // static const char * device_addr_string = "6C:72:E7:10:22:EE"; 73 static const char * device_addr_string = "00:02:72:DC:31:C1"; 74 #endif 75 76 static bd_addr_t device_addr; 77 78 #ifdef HAVE_BTSTACK_STDIN 79 // 80:BE:05:D5:28:48 80 // prototypes 81 static void show_usage(void); 82 #endif 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 #ifdef ENABLE_HFP_WIDE_BAND_SPEECH 86 static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 87 #else 88 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 89 #endif 90 static uint16_t indicators[1] = {0x01}; 91 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 92 static btstack_packet_callback_registration_t hci_event_callback_registration; 93 static char cmd; 94 95 static void dump_supported_codecs(void){ 96 unsigned int i; 97 int mSBC_skipped = 0; 98 printf("Supported codecs: "); 99 for (i = 0; i < sizeof(codecs); i++){ 100 switch(codecs[i]){ 101 case HFP_CODEC_CVSD: 102 printf("CVSD"); 103 break; 104 case HFP_CODEC_MSBC: 105 if (hci_extended_sco_link_supported()){ 106 printf(", mSBC"); 107 } else { 108 mSBC_skipped = 1; 109 } 110 break; 111 default: 112 btstack_assert(false); 113 break; 114 } 115 } 116 printf("\n"); 117 if (mSBC_skipped){ 118 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 119 } 120 } 121 122 static void report_status(uint8_t status, const char * message){ 123 if (status != ERROR_CODE_SUCCESS){ 124 printf("%s command failed, status 0x%02x\n", message, status); 125 } else { 126 printf("%s command successful\n", message); 127 } 128 } 129 130 #ifdef HAVE_BTSTACK_STDIN 131 132 // Testig User Interface 133 static void show_usage(void){ 134 bd_addr_t iut_address; 135 gap_local_bd_addr(iut_address); 136 137 printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 138 printf("\n"); 139 printf("a - establish SLC to %s | ", bd_addr_to_str(device_addr)); 140 printf("A - release SLC connection to device\n"); 141 printf("b - establish Audio connection | B - release Audio connection\n"); 142 printf("d - query network operator | D - Enable HFP AG registration status update via bitmap(IIA)\n"); 143 printf("f - answer incoming call | F - Hangup call\n"); 144 printf("g - query network operator name | G - reject incoming call\n"); 145 printf("i - dial 1234567 | I - dial 7654321\n"); 146 printf("j - dial #1 | J - dial #99\n"); 147 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 148 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 149 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 150 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 151 printf("t - terminate connection\n"); 152 printf("u - send 'user busy' (TWC 0)\n"); 153 printf("U - end active call and accept other call' (TWC 1)\n"); 154 printf("v - Swap active call call (TWC 2) | V - Join held call (TWC 3)\n"); 155 printf("w - Connect calls (TWC 4) | W - redial\n"); 156 printf("m - deactivate echo canceling and noise reduction\n"); 157 printf("c/C - disable/enable registration status update for all AG indicators\n"); 158 printf("e/E - disable/enable reporting of the extended AG error result code\n"); 159 printf("k/K - deactivate/activate call waiting notification\n"); 160 printf("l/L - deactivate/activate calling line notification\n"); 161 printf("n/N - deactivate/activate voice recognition\n"); 162 163 printf("0123456789#*-+ - send DTMF dial tones\n"); 164 printf("x - request phone number for voice tag | X - current call status (ECS)\n"); 165 printf("y - release call with index 2 (ECC) | Y - private consultation with call 2(ECC)\n"); 166 printf("[ - Query Response and Hold status (RHH ?) | ] - Place call in a response and held state(RHH 0)\n"); 167 printf("{ - Accept held call(RHH 1) | } - Reject held call(RHH 2)\n"); 168 printf("? - Query Subscriber Number (NUM)\n"); 169 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 170 printf("\n"); 171 } 172 173 static void stdin_process(char c){ 174 uint8_t status = ERROR_CODE_SUCCESS; 175 176 cmd = c; // used in packet handler 177 178 if (cmd >= '0' && cmd <= '9'){ 179 printf("DTMF Code: %c\n", cmd); 180 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 181 return; 182 } 183 184 switch (cmd){ 185 case '#': 186 case '-': 187 case '+': 188 case '*': 189 log_info("USER:\'%c\'", cmd); 190 printf("DTMF Code: %c\n", cmd); 191 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 192 break; 193 case 'a': 194 log_info("USER:\'%c\'", cmd); 195 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 196 status = hfp_hf_establish_service_level_connection(device_addr); 197 break; 198 case 'A': 199 log_info("USER:\'%c\'", cmd); 200 printf("Release Service level connection.\n"); 201 status = hfp_hf_release_service_level_connection(acl_handle); 202 break; 203 case 'b': 204 log_info("USER:\'%c\'", cmd); 205 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 206 status = hfp_hf_establish_audio_connection(acl_handle); 207 break; 208 case 'B': 209 log_info("USER:\'%c\'", cmd); 210 printf("Release Audio service level connection.\n"); 211 status = hfp_hf_release_audio_connection(acl_handle); 212 break; 213 case 'C': 214 log_info("USER:\'%c\'", cmd); 215 printf("Enable registration status update for all AG indicators.\n"); 216 status = hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 217 break; 218 case 'c': 219 log_info("USER:\'%c\'", cmd); 220 printf("Disable registration status update for all AG indicators.\n"); 221 status = hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 222 break; 223 case 'D': 224 log_info("USER:\'%c\'", cmd); 225 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 226 status = hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 227 break; 228 case 'd': 229 log_info("USER:\'%c\'", cmd); 230 printf("Query network operator.\n"); 231 status = hfp_hf_query_operator_selection(acl_handle); 232 break; 233 case 'E': 234 log_info("USER:\'%c\'", cmd); 235 printf("Enable reporting of the extended AG error result code.\n"); 236 status = hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 237 break; 238 case 'e': 239 log_info("USER:\'%c\'", cmd); 240 printf("Disable reporting of the extended AG error result code.\n"); 241 status = hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 242 break; 243 case 'f': 244 log_info("USER:\'%c\'", cmd); 245 printf("Answer incoming call.\n"); 246 status = hfp_hf_answer_incoming_call(acl_handle); 247 break; 248 case 'F': 249 log_info("USER:\'%c\'", cmd); 250 printf("Hangup call.\n"); 251 status = hfp_hf_terminate_call(acl_handle); 252 break; 253 case 'G': 254 log_info("USER:\'%c\'", cmd); 255 printf("Reject incoming call.\n"); 256 status = hfp_hf_reject_incoming_call(acl_handle); 257 break; 258 case 'g': 259 log_info("USER:\'%c\'", cmd); 260 printf("Query operator.\n"); 261 status = hfp_hf_query_operator_selection(acl_handle); 262 break; 263 case 't': 264 log_info("USER:\'%c\'", cmd); 265 printf("Terminate HCI connection.\n"); 266 gap_disconnect(acl_handle); 267 break; 268 case 'i': 269 log_info("USER:\'%c\'", cmd); 270 printf("Dial 1234567\n"); 271 status = hfp_hf_dial_number(acl_handle, "1234567"); 272 break; 273 case 'I': 274 log_info("USER:\'%c\'", cmd); 275 printf("Dial 7654321\n"); 276 status = hfp_hf_dial_number(acl_handle, "7654321"); 277 break; 278 case 'j': 279 log_info("USER:\'%c\'", cmd); 280 printf("Dial #1\n"); 281 status = hfp_hf_dial_memory(acl_handle,1); 282 break; 283 case 'J': 284 log_info("USER:\'%c\'", cmd); 285 printf("Dial #99\n"); 286 status = hfp_hf_dial_memory(acl_handle,99); 287 break; 288 case 'k': 289 log_info("USER:\'%c\'", cmd); 290 printf("Deactivate call waiting notification\n"); 291 status = hfp_hf_deactivate_call_waiting_notification(acl_handle); 292 break; 293 case 'K': 294 log_info("USER:\'%c\'", cmd); 295 printf("Activate call waiting notification\n"); 296 status = hfp_hf_activate_call_waiting_notification(acl_handle); 297 break; 298 case 'l': 299 log_info("USER:\'%c\'", cmd); 300 printf("Deactivate calling line notification\n"); 301 status = hfp_hf_deactivate_calling_line_notification(acl_handle); 302 break; 303 case 'L': 304 log_info("USER:\'%c\'", cmd); 305 printf("Activate calling line notification\n"); 306 status = hfp_hf_activate_calling_line_notification(acl_handle); 307 break; 308 case 'm': 309 log_info("USER:\'%c\'", cmd); 310 printf("Deactivate echo canceling and noise reduction\n"); 311 status = hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 312 break; 313 case 'n': 314 log_info("USER:\'%c\'", cmd); 315 printf("Deactivate voice recognition\n"); 316 status = hfp_hf_deactivate_voice_recognition(acl_handle); 317 break; 318 case 'N': 319 log_info("USER:\'%c\'", cmd); 320 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 321 status = hfp_hf_activate_voice_recognition(acl_handle); 322 break; 323 case 'o': 324 log_info("USER:\'%c\'", cmd); 325 printf("Set speaker gain to 0 (minimum)\n"); 326 status = hfp_hf_set_speaker_gain(acl_handle, 0); 327 break; 328 case 'O': 329 log_info("USER:\'%c\'", cmd); 330 printf("Set speaker gain to 9 (default)\n"); 331 status = hfp_hf_set_speaker_gain(acl_handle, 9); 332 break; 333 case 'p': 334 log_info("USER:\'%c\'", cmd); 335 printf("Set speaker gain to 12 (higher)\n"); 336 status = hfp_hf_set_speaker_gain(acl_handle, 12); 337 break; 338 case 'P': 339 log_info("USER:\'%c\'", cmd); 340 printf("Set speaker gain to 15 (maximum)\n"); 341 status = hfp_hf_set_speaker_gain(acl_handle, 15); 342 break; 343 case 'q': 344 log_info("USER:\'%c\'", cmd); 345 printf("Set microphone gain to 0\n"); 346 status = hfp_hf_set_microphone_gain(acl_handle, 0); 347 break; 348 case 'Q': 349 log_info("USER:\'%c\'", cmd); 350 printf("Set microphone gain to 9\n"); 351 status = hfp_hf_set_microphone_gain(acl_handle, 9); 352 break; 353 case 's': 354 log_info("USER:\'%c\'", cmd); 355 printf("Set microphone gain to 12\n"); 356 status = hfp_hf_set_microphone_gain(acl_handle, 12); 357 break; 358 case 'S': 359 log_info("USER:\'%c\'", cmd); 360 printf("Set microphone gain to 15\n"); 361 status = hfp_hf_set_microphone_gain(acl_handle, 15); 362 break; 363 case 'u': 364 log_info("USER:\'%c\'", cmd); 365 printf("Send 'user busy' (Three-Way Call 0)\n"); 366 status = hfp_hf_user_busy(acl_handle); 367 break; 368 case 'U': 369 log_info("USER:\'%c\'", cmd); 370 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 371 status = hfp_hf_end_active_and_accept_other(acl_handle); 372 break; 373 case 'v': 374 log_info("USER:\'%c\'", cmd); 375 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 376 status = hfp_hf_swap_calls(acl_handle); 377 break; 378 case 'V': 379 log_info("USER:\'%c\'", cmd); 380 printf("Join hold call (Three-Way Call 3)\n"); 381 status = hfp_hf_join_held_call(acl_handle); 382 break; 383 case 'w': 384 log_info("USER:\'%c\'", cmd); 385 printf("Connect calls (Three-Way Call 4)\n"); 386 status = hfp_hf_connect_calls(acl_handle); 387 break; 388 case 'W': 389 log_info("USER:\'%c\'", cmd); 390 printf("Redial\n"); 391 status = hfp_hf_redial_last_number(acl_handle); 392 break; 393 case 'x': 394 log_info("USER:\'%c\'", cmd); 395 printf("Request phone number for voice tag\n"); 396 status = hfp_hf_request_phone_number_for_voice_tag(acl_handle); 397 break; 398 case 'X': 399 log_info("USER:\'%c\'", cmd); 400 printf("Query current call status\n"); 401 status = hfp_hf_query_current_call_status(acl_handle); 402 break; 403 case 'y': 404 log_info("USER:\'%c\'", cmd); 405 printf("Release call with index 2\n"); 406 status = hfp_hf_release_call_with_index(acl_handle, 2); 407 break; 408 case 'Y': 409 log_info("USER:\'%c\'", cmd); 410 printf("Private consultation with call 2\n"); 411 status = hfp_hf_private_consultation_with_call(acl_handle, 2); 412 break; 413 case '[': 414 log_info("USER:\'%c\'", cmd); 415 printf("Query Response and Hold status (RHH ?)\n"); 416 status = hfp_hf_rrh_query_status(acl_handle); 417 break; 418 case ']': 419 log_info("USER:\'%c\'", cmd); 420 printf("Place call in a response and held state (RHH 0)\n"); 421 status = hfp_hf_rrh_hold_call(acl_handle); 422 break; 423 case '{': 424 log_info("USER:\'%c\'", cmd); 425 printf("Accept held call (RHH 1)\n"); 426 status = hfp_hf_rrh_accept_held_call(acl_handle); 427 break; 428 case '}': 429 log_info("USER:\'%c\'", cmd); 430 printf("Reject held call (RHH 2)\n"); 431 status = hfp_hf_rrh_reject_held_call(acl_handle); 432 break; 433 case '?': 434 log_info("USER:\'%c\'", cmd); 435 printf("Query Subscriber Number\n"); 436 status = hfp_hf_query_subscriber_number(acl_handle); 437 break; 438 case '!': 439 log_info("USER:\'%c\'", cmd); 440 printf("Update HF indicator with assigned number 1 (HFI)\n"); 441 status = hfp_hf_set_hf_indicator(acl_handle, 1, 1); 442 break; 443 default: 444 show_usage(); 445 break; 446 } 447 448 if (status != ERROR_CODE_SUCCESS){ 449 printf("Could not perform command, status 0x%02x\n", status); 450 } 451 } 452 #endif 453 454 static void hci_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 455 UNUSED(channel); 456 bd_addr_t event_addr; 457 458 switch (packet_type){ 459 460 case HCI_SCO_DATA_PACKET: 461 // forward received SCO / audio packets to SCO component 462 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 463 sco_demo_receive(event, event_size); 464 break; 465 466 case HCI_EVENT_PACKET: 467 switch (hci_event_packet_get_type(event)){ 468 case BTSTACK_EVENT_STATE: 469 // list supported codecs after stack has started up 470 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 471 dump_supported_codecs(); 472 break; 473 474 case HCI_EVENT_PIN_CODE_REQUEST: 475 // inform about pin code request and respond with '0000' 476 printf("Pin code request - using '0000'\n"); 477 hci_event_pin_code_request_get_bd_addr(event, event_addr); 478 gap_pin_code_response(event_addr, "0000"); 479 break; 480 481 case HCI_EVENT_SCO_CAN_SEND_NOW: 482 sco_demo_send(sco_handle); 483 break; 484 485 default: 486 break; 487 } 488 break; 489 490 default: 491 break; 492 } 493 494 } 495 496 static void hfp_hf_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 497 UNUSED(channel); 498 uint8_t status; 499 bd_addr_t event_addr; 500 501 switch (packet_type){ 502 503 case HCI_SCO_DATA_PACKET: 504 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 505 sco_demo_receive(event, event_size); 506 break; 507 508 case HCI_EVENT_PACKET: 509 switch (hci_event_packet_get_type(event)){ 510 case BTSTACK_EVENT_STATE: 511 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 512 dump_supported_codecs(); 513 break; 514 515 case HCI_EVENT_PIN_CODE_REQUEST: 516 // inform about pin code request 517 printf("Pin code request - using '0000'\n"); 518 hci_event_pin_code_request_get_bd_addr(event, event_addr); 519 gap_pin_code_response(event_addr, "0000"); 520 break; 521 522 case HCI_EVENT_SCO_CAN_SEND_NOW: 523 sco_demo_send(sco_handle); 524 break; 525 526 case HCI_EVENT_HFP_META: 527 switch (hci_event_hfp_meta_get_subevent_code(event)) { 528 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 529 status = hfp_subevent_service_level_connection_established_get_status(event); 530 if (status != ERROR_CODE_SUCCESS){ 531 printf("Connection failed, status 0x%02x\n", status); 532 break; 533 } 534 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 535 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 536 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 537 break; 538 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 539 acl_handle = HCI_CON_HANDLE_INVALID; 540 printf("Service level connection released.\n\n"); 541 break; 542 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 543 status = hfp_subevent_audio_connection_established_get_status(event); 544 if (status != ERROR_CODE_SUCCESS){ 545 printf("Audio connection establishment failed with status 0x%02x\n", status); 546 break; 547 } 548 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 549 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 550 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 551 switch (negotiated_codec){ 552 case 0x01: 553 printf("Using CVSD codec.\n"); 554 break; 555 case 0x02: 556 printf("Using mSBC codec.\n"); 557 break; 558 default: 559 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 560 break; 561 } 562 sco_demo_set_codec(negotiated_codec); 563 hci_request_sco_can_send_now_event(); 564 break; 565 566 case HFP_SUBEVENT_CALL_ANSWERED: 567 printf("Call answered\n"); 568 break; 569 570 case HFP_SUBEVENT_CALL_TERMINATED: 571 printf("Call terminated\n"); 572 break; 573 574 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 575 sco_handle = HCI_CON_HANDLE_INVALID; 576 printf("Audio connection released\n"); 577 sco_demo_close(); 578 break; 579 case HFP_SUBEVENT_COMPLETE: 580 status = hfp_subevent_complete_get_status(event); 581 if (status == ERROR_CODE_SUCCESS){ 582 printf("Cmd \'%c\' succeeded\n", cmd); 583 } else { 584 printf("Cmd \'%c\' failed with status 0x%02x\n", cmd, status); 585 } 586 break; 587 588 case HFP_SUBEVENT_AG_INDICATOR_MAPPING: 589 printf("AG Indicator Mapping | INDEX %d: range [%d, %d], name '%s'\n", 590 hfp_subevent_ag_indicator_mapping_get_indicator_index(event), 591 hfp_subevent_ag_indicator_mapping_get_indicator_min_range(event), 592 hfp_subevent_ag_indicator_mapping_get_indicator_max_range(event), 593 (const char*) hfp_subevent_ag_indicator_mapping_get_indicator_name(event)); 594 break; 595 596 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 597 printf("AG Indicator Status | INDEX %d: status 0x%02x, '%s'\n", 598 hfp_subevent_ag_indicator_status_changed_get_indicator_index(event), 599 hfp_subevent_ag_indicator_status_changed_get_indicator_status(event), 600 (const char*) hfp_subevent_ag_indicator_status_changed_get_indicator_name(event)); 601 break; 602 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 603 printf("NETWORK_OPERATOR_CHANGED, operator mode %d, format %d, name %s\n", 604 hfp_subevent_network_operator_changed_get_network_operator_mode(event), 605 hfp_subevent_network_operator_changed_get_network_operator_format(event), 606 (char *) hfp_subevent_network_operator_changed_get_network_operator_name(event)); 607 break; 608 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 609 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status 0x%02x\n", 610 hfp_subevent_extended_audio_gateway_error_get_error(event)); 611 break; 612 case HFP_SUBEVENT_START_RINGING: 613 printf("** START Ringing **\n"); 614 break; 615 case HFP_SUBEVENT_RING: 616 printf("** Ring **\n"); 617 break; 618 case HFP_SUBEVENT_STOP_RINGING: 619 printf("** STOP Ringing **\n"); 620 break; 621 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 622 printf("Phone number for voice tag: %s\n", 623 (const char *) hfp_subevent_number_for_voice_tag_get_number(event)); 624 break; 625 case HFP_SUBEVENT_SPEAKER_VOLUME: 626 printf("Speaker volume: gain %u\n", 627 hfp_subevent_speaker_volume_get_gain(event)); 628 break; 629 case HFP_SUBEVENT_MICROPHONE_VOLUME: 630 printf("Microphone volume: gain %u\n", 631 hfp_subevent_microphone_volume_get_gain(event)); 632 break; 633 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 634 printf("Caller ID, number '%s', alpha '%s'\n", (const char *) hfp_subevent_calling_line_identification_notification_get_number(event), 635 (const char *) hfp_subevent_calling_line_identification_notification_get_alpha(event)); 636 break; 637 case HFP_SUBEVENT_ENHANCED_CALL_STATUS: 638 printf("Enhanced call status:\n"); 639 printf(" - call index: %d \n", hfp_subevent_enhanced_call_status_get_clcc_idx(event)); 640 printf(" - direction : %s \n", hfp_enhanced_call_dir2str(hfp_subevent_enhanced_call_status_get_clcc_dir(event))); 641 printf(" - status : %s \n", hfp_enhanced_call_status2str(hfp_subevent_enhanced_call_status_get_clcc_status(event))); 642 printf(" - mode : %s \n", hfp_enhanced_call_mode2str(hfp_subevent_enhanced_call_status_get_clcc_mode(event))); 643 printf(" - multipart : %s \n", hfp_enhanced_call_mpty2str(hfp_subevent_enhanced_call_status_get_clcc_mpty(event))); 644 printf(" - type : %d \n", hfp_subevent_enhanced_call_status_get_bnip_type(event)); 645 printf(" - number : %s \n", hfp_subevent_enhanced_call_status_get_bnip_number(event)); 646 break; 647 648 case HFP_SUBEVENT_VOICE_RECOGNITION_ACTIVATED: 649 status = hfp_subevent_voice_recognition_activated_get_status(event); 650 if (status != ERROR_CODE_SUCCESS){ 651 printf("Voice Recognition Activate command failed, status 0x%02x\n", status); 652 break; 653 } 654 655 switch (hfp_subevent_voice_recognition_activated_get_enhanced(event)){ 656 case 0: 657 printf("\nVoice recognition ACTIVATED\n\n"); 658 break; 659 default: 660 printf("\nEnhanced voice recognition ACTIVATED.\n"); 661 printf("Start new audio enhanced voice recognition session %s\n\n", bd_addr_to_str(device_addr)); 662 status = hfp_hf_enhanced_voice_recognition_report_ready_for_audio(acl_handle); 663 break; 664 } 665 break; 666 667 case HFP_SUBEVENT_VOICE_RECOGNITION_DEACTIVATED: 668 status = hfp_subevent_voice_recognition_deactivated_get_status(event); 669 if (status != ERROR_CODE_SUCCESS){ 670 printf("Voice Recognition Deactivate command failed, status 0x%02x\n", status); 671 break; 672 } 673 printf("\nVoice Recognition DEACTIVATED\n\n"); 674 break; 675 676 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 677 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 678 report_status(status, "Enhanced Voice recognition: READY FOR AUDIO"); 679 break; 680 681 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 682 printf("\nEnhanced Voice recognition AG status: AG READY TO ACCEPT AUDIO INPUT\n\n"); 683 break; 684 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 685 printf("\nEnhanced Voice recognition AG status: AG IS STARTING SOUND\n\n"); 686 break; 687 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 688 printf("\nEnhanced Voice recognition AG status: AG IS PROCESSING AUDIO INPUT\n\n"); 689 break; 690 691 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_MESSAGE: 692 printf("\nEnhanced Voice recognition AG message: \'%s\'\n", hfp_subevent_enhanced_voice_recognition_ag_message_get_text(event)); 693 break; 694 695 case HFP_SUBEVENT_ECHO_CANCELING_AND_NOISE_REDUCTION_DEACTIVATE: 696 status = hfp_subevent_echo_canceling_and_noise_reduction_deactivate_get_status(event); 697 report_status(status, "Echo Canceling and Noise Reduction Deactivate"); 698 break; 699 default: 700 break; 701 } 702 break; 703 704 default: 705 break; 706 } 707 break; 708 709 default: 710 break; 711 } 712 713 } 714 715 /* @section Main Application Setup 716 * 717 * @text Listing MainConfiguration shows main application code. 718 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 719 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 720 * The stdin_process callback allows for sending commands to the HFP AG. 721 * At the end the Bluetooth stack is started. 722 */ 723 724 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 725 int btstack_main(int argc, const char * argv[]); 726 int btstack_main(int argc, const char * argv[]){ 727 (void)argc; 728 (void)argv; 729 730 // Init protocols 731 // init L2CAP 732 l2cap_init(); 733 rfcomm_init(); 734 sdp_init(); 735 #ifdef ENABLE_BLE 736 // Initialize LE Security Manager. Needed for cross-transport key derivation 737 sm_init(); 738 #endif 739 740 // Init profiles 741 uint16_t hf_supported_features = 742 (1<<HFP_HFSF_ESCO_S4) | 743 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 744 (1<<HFP_HFSF_HF_INDICATORS) | 745 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 746 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 747 (1<<HFP_HFSF_VOICE_RECOGNITION_FUNCTION) | 748 (1<<HFP_HFSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 749 (1<<HFP_HFSF_VOICE_RECOGNITION_TEXT) | 750 (1<<HFP_HFSF_EC_NR_FUNCTION) | 751 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 752 int wide_band_speech = 1; 753 hfp_hf_init(rfcomm_channel_nr); 754 hfp_hf_init_supported_features(hf_supported_features); 755 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 756 hfp_hf_init_codecs(sizeof(codecs), codecs); 757 hfp_hf_register_packet_handler(hfp_hf_packet_handler); 758 759 760 // Configure SDP 761 762 // - Create and register HFP HF service record 763 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 764 hfp_hf_create_sdp_record(hfp_service_buffer, sdp_create_service_record_handle(), 765 rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 766 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 767 sdp_register_service(hfp_service_buffer); 768 769 // Configure GAP - discovery / connection 770 771 // - Set local name with a template Bluetooth address, that will be automatically 772 // replaced with an actual address once it is available, i.e. when BTstack boots 773 // up and starts talking to a Bluetooth module. 774 gap_set_local_name("HFP HF Demo 00:00:00:00:00:00"); 775 776 // - Allow to show up in Bluetooth inquiry 777 gap_discoverable_control(1); 778 779 // - Set Class of Device - Service Class: Audio, Major Device Class: Audio, Minor: Hands-Free device 780 gap_set_class_of_device(0x200408); 781 782 // - Allow for role switch in general and sniff mode 783 gap_set_default_link_policy_settings( LM_LINK_POLICY_ENABLE_ROLE_SWITCH | LM_LINK_POLICY_ENABLE_SNIFF_MODE ); 784 785 // - Allow for role switch on outgoing connections - this allows HFP AG, e.g. smartphone, to become master when we re-connect to it 786 gap_set_allow_role_switch(true); 787 788 // Register for HCI events and SCO packets 789 hci_event_callback_registration.callback = &hci_packet_handler; 790 hci_add_event_handler(&hci_event_callback_registration); 791 hci_register_sco_packet_handler(&hci_packet_handler); 792 793 794 // Init SCO / HFP audio processing 795 sco_demo_init(); 796 797 #ifdef HAVE_BTSTACK_STDIN 798 // parse human readable Bluetooth address 799 sscanf_bd_addr(device_addr_string, device_addr); 800 btstack_stdin_setup(stdin_process); 801 #endif 802 803 // turn on! 804 hci_power_control(HCI_POWER_ON); 805 return 0; 806 } 807 /* LISTING_END */ 808 /* EXAMPLE_END */ 809