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 packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 453 UNUSED(channel); 454 uint8_t status; 455 456 switch (packet_type){ 457 458 case HCI_SCO_DATA_PACKET: 459 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 460 sco_demo_receive(event, event_size); 461 break; 462 463 case HCI_EVENT_PACKET: 464 switch (hci_event_packet_get_type(event)){ 465 case BTSTACK_EVENT_STATE: 466 if (btstack_event_state_get_state(event) != HCI_STATE_WORKING) break; 467 dump_supported_codecs(); 468 break; 469 470 case HCI_EVENT_SCO_CAN_SEND_NOW: 471 sco_demo_send(sco_handle); 472 break; 473 474 case HCI_EVENT_HFP_META: 475 switch (hci_event_hfp_meta_get_subevent_code(event)) { 476 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 477 status = hfp_subevent_service_level_connection_established_get_status(event); 478 if (status != ERROR_CODE_SUCCESS){ 479 printf("Connection failed, status 0x%02x\n", status); 480 break; 481 } 482 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 483 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 484 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 485 break; 486 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 487 acl_handle = HCI_CON_HANDLE_INVALID; 488 printf("Service level connection released.\n\n"); 489 break; 490 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 491 status = hfp_subevent_audio_connection_established_get_status(event); 492 if (status != ERROR_CODE_SUCCESS){ 493 printf("Audio connection establishment failed with status 0x%02x\n", status); 494 break; 495 } 496 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 497 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 498 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 499 switch (negotiated_codec){ 500 case 0x01: 501 printf("Using CVSD codec.\n"); 502 break; 503 case 0x02: 504 printf("Using mSBC codec.\n"); 505 break; 506 default: 507 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 508 break; 509 } 510 sco_demo_set_codec(negotiated_codec); 511 hci_request_sco_can_send_now_event(); 512 break; 513 514 case HFP_SUBEVENT_CALL_ANSWERED: 515 printf("Call answered\n"); 516 break; 517 518 case HFP_SUBEVENT_CALL_TERMINATED: 519 printf("Call terminated\n"); 520 break; 521 522 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 523 sco_handle = HCI_CON_HANDLE_INVALID; 524 printf("Audio connection released\n"); 525 sco_demo_close(); 526 break; 527 case HFP_SUBEVENT_COMPLETE: 528 status = hfp_subevent_complete_get_status(event); 529 if (status == ERROR_CODE_SUCCESS){ 530 printf("Cmd \'%c\' succeeded\n", cmd); 531 } else { 532 printf("Cmd \'%c\' failed with status 0x%02x\n", cmd, status); 533 } 534 break; 535 536 case HFP_SUBEVENT_AG_INDICATOR_MAPPING: 537 printf("AG Indicator Mapping | INDEX %d: range [%d, %d], name '%s'\n", 538 hfp_subevent_ag_indicator_mapping_get_indicator_index(event), 539 hfp_subevent_ag_indicator_mapping_get_indicator_min_range(event), 540 hfp_subevent_ag_indicator_mapping_get_indicator_max_range(event), 541 (const char*) hfp_subevent_ag_indicator_mapping_get_indicator_name(event)); 542 break; 543 544 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 545 printf("AG Indicator Status | INDEX %d: status %d, '%s'\n", 546 hfp_subevent_ag_indicator_status_changed_get_indicator_index(event), 547 hfp_subevent_ag_indicator_status_changed_get_indicator_status(event), 548 (const char*) hfp_subevent_ag_indicator_status_changed_get_indicator_name(event)); 549 break; 550 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 551 printf("NETWORK_OPERATOR_CHANGED, operator mode: %d, format: %d, name: %s\n", 552 hfp_subevent_network_operator_changed_get_network_operator_mode(event), 553 hfp_subevent_network_operator_changed_get_network_operator_format(event), 554 (char *) hfp_subevent_network_operator_changed_get_network_operator_name(event)); 555 break; 556 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 557 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status: 0x%02x\n", 558 hfp_subevent_extended_audio_gateway_error_get_error(event)); 559 break; 560 case HFP_SUBEVENT_START_RINGING: 561 printf("** START Ringing **\n"); 562 break; 563 case HFP_SUBEVENT_RING: 564 printf("** Ring **\n"); 565 break; 566 case HFP_SUBEVENT_STOP_RINGING: 567 printf("** STOP Ringing **\n"); 568 break; 569 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 570 printf("Phone number for voice tag: %s\n", 571 (const char *) hfp_subevent_number_for_voice_tag_get_number(event)); 572 break; 573 case HFP_SUBEVENT_SPEAKER_VOLUME: 574 printf("Speaker volume: gain %u\n", 575 hfp_subevent_speaker_volume_get_gain(event)); 576 break; 577 case HFP_SUBEVENT_MICROPHONE_VOLUME: 578 printf("Microphone volume: gain %u\n", 579 hfp_subevent_microphone_volume_get_gain(event)); 580 break; 581 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 582 printf("Caller ID, number '%s', alpha '%s'\n", (const char *) hfp_subevent_calling_line_identification_notification_get_number(event), 583 (const char *) hfp_subevent_calling_line_identification_notification_get_alpha(event)); 584 break; 585 case HFP_SUBEVENT_ENHANCED_CALL_STATUS: 586 printf("Enhanced call status:\n"); 587 printf(" - call index: %d \n", hfp_subevent_enhanced_call_status_get_clcc_idx(event)); 588 printf(" - direction : %s \n", hfp_enhanced_call_dir2str(hfp_subevent_enhanced_call_status_get_clcc_dir(event))); 589 printf(" - status : %s \n", hfp_enhanced_call_status2str(hfp_subevent_enhanced_call_status_get_clcc_status(event))); 590 printf(" - mode : %s \n", hfp_enhanced_call_mode2str(hfp_subevent_enhanced_call_status_get_clcc_mode(event))); 591 printf(" - multipart : %s \n", hfp_enhanced_call_mpty2str(hfp_subevent_enhanced_call_status_get_clcc_mpty(event))); 592 printf(" - type : %d \n", hfp_subevent_enhanced_call_status_get_bnip_type(event)); 593 printf(" - number : %s \n", hfp_subevent_enhanced_call_status_get_bnip_number(event)); 594 break; 595 596 case HFP_SUBEVENT_VOICE_RECOGNITION_ACTIVATED: 597 status = hfp_subevent_voice_recognition_activated_get_status(event); 598 if (status != ERROR_CODE_SUCCESS){ 599 printf("Voice Recognition Activate command failed\n"); 600 break; 601 } 602 603 switch (hfp_subevent_voice_recognition_activated_get_enhanced(event)){ 604 case 0: 605 printf("\nVoice recognition ACTIVATED\n\n"); 606 break; 607 default: 608 printf("\nEnhanced voice recognition ACTIVATED.\n"); 609 printf("Start new audio enhanced voice recognition session %s\n\n", bd_addr_to_str(device_addr)); 610 status = hfp_hf_enhanced_voice_recognition_report_ready_for_audio(acl_handle); 611 break; 612 } 613 break; 614 615 case HFP_SUBEVENT_VOICE_RECOGNITION_DEACTIVATED: 616 status = hfp_subevent_voice_recognition_deactivated_get_status(event); 617 if (status != ERROR_CODE_SUCCESS){ 618 printf("Voice Recognition Deactivate command failed\n"); 619 break; 620 } 621 printf("\nVoice Recognition DEACTIVATED\n\n"); 622 break; 623 624 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_HF_READY_FOR_AUDIO: 625 status = hfp_subevent_enhanced_voice_recognition_hf_ready_for_audio_get_status(event); 626 report_status(status, "Enhanced Voice recognition: READY FOR AUDIO"); 627 break; 628 629 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_READY_TO_ACCEPT_AUDIO_INPUT: 630 printf("\nEnhanced Voice recognition AG status: AG READY TO ACCEPT AUDIO INPUT\n\n"); 631 break; 632 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_STARTING_SOUND: 633 printf("\nEnhanced Voice recognition AG status: AG IS STARTING SOUND\n\n"); 634 break; 635 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_IS_PROCESSING_AUDIO_INPUT: 636 printf("\nEnhanced Voice recognition AG status: AG IS PROCESSING AUDIO INPUT\n\n"); 637 break; 638 639 case HFP_SUBEVENT_ENHANCED_VOICE_RECOGNITION_AG_MESSAGE: 640 printf("\nEnhanced Voice recognition AG message: \'%s\'\n", hfp_subevent_enhanced_voice_recognition_ag_message_get_text(event)); 641 break; 642 643 case HFP_SUBEVENT_ECHO_CANCELING_AND_NOISE_REDUCTION_DEACTIVATE: 644 status = hfp_subevent_echo_canceling_and_noise_reduction_deactivate_get_status(event); 645 report_status(status, "Echo Canceling and Noise Reduction Deactivate"); 646 break; 647 default: 648 break; 649 } 650 break; 651 652 default: 653 break; 654 } 655 break; 656 657 default: 658 break; 659 } 660 661 } 662 663 /* @section Main Application Setup 664 * 665 * @text Listing MainConfiguration shows main application code. 666 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 667 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 668 * The stdin_process callback allows for sending commands to the HFP AG. 669 * At the end the Bluetooth stack is started. 670 */ 671 672 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 673 int btstack_main(int argc, const char * argv[]); 674 int btstack_main(int argc, const char * argv[]){ 675 (void)argc; 676 (void)argv; 677 678 sco_demo_init(); 679 680 gap_discoverable_control(1); 681 gap_set_class_of_device(0x200408); 682 gap_set_local_name("HFP HF Demo 00:00:00:00:00:00"); 683 684 // init L2CAP 685 l2cap_init(); 686 687 #ifdef ENABLE_BLE 688 // Initialize LE Security Manager. Needed for cross-transport key derivation 689 sm_init(); 690 #endif 691 692 uint16_t hf_supported_features = 693 (1<<HFP_HFSF_ESCO_S4) | 694 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 695 (1<<HFP_HFSF_HF_INDICATORS) | 696 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 697 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 698 (1<<HFP_HFSF_VOICE_RECOGNITION_FUNCTION) | 699 (1<<HFP_HFSF_ENHANCED_VOICE_RECOGNITION_STATUS) | 700 (1<<HFP_HFSF_VOICE_RECOGNITION_TEXT) | 701 (1<<HFP_HFSF_EC_NR_FUNCTION) | 702 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 703 int wide_band_speech = 1; 704 705 rfcomm_init(); 706 hfp_hf_init(rfcomm_channel_nr); 707 hfp_hf_init_supported_features(hf_supported_features); 708 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 709 hfp_hf_init_codecs(sizeof(codecs), codecs); 710 711 sdp_init(); 712 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 713 hfp_hf_create_sdp_record(hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 714 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 715 sdp_register_service(hfp_service_buffer); 716 717 // register for HCI events and SCO packets 718 hci_event_callback_registration.callback = &packet_handler; 719 hci_add_event_handler(&hci_event_callback_registration); 720 hci_register_sco_packet_handler(&packet_handler); 721 hci_register_sco_packet_handler(&packet_handler); 722 723 // Service Class: Audio, Major Device Class: Audio, Minor: Hands-Free device 724 gap_set_class_of_device(0x200408); 725 726 // allow for role switch in general and sniff mode 727 gap_set_default_link_policy_settings( LM_LINK_POLICY_ENABLE_ROLE_SWITCH | LM_LINK_POLICY_ENABLE_SNIFF_MODE ); 728 729 // allow for role switch on outgoing connections - this allows HFP AG, e.g. smartphone, to become master when we re-connect to it 730 gap_set_allow_role_switch(true); 731 732 // register for HFP events 733 hfp_hf_register_packet_handler(packet_handler); 734 735 #ifdef HAVE_BTSTACK_STDIN 736 // parse human readable Bluetooth address 737 sscanf_bd_addr(device_addr_string, device_addr); 738 btstack_stdin_setup(stdin_process); 739 #endif 740 // turn on! 741 hci_power_control(HCI_POWER_ON); 742 return 0; 743 } 744 /* LISTING_END */ 745 /* EXAMPLE_END */ 746