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 MATTHIAS 25 * RINGWALD 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 = "00:1A:7D:DA:71:13"; 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 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("c/C - disable/enable registration status update for all AG indicators\n"); 147 printf("e/E - disable/enable reporting of the extended AG error result code\n"); 148 printf("k/K - deactivate/activate call waiting notification\n"); 149 printf("l/L - deactivate/activate calling line notification\n"); 150 printf("m/M - deactivate/activate echo canceling and noise reduction\n"); 151 printf("n/N - deactivate/activate voice recognition\n"); 152 printf("0123456789#*-+ - send DTMF dial tones\n"); 153 printf("x - request phone number for voice tag | X - current call status (ECS)\n"); 154 printf("y - release call with index 2 (ECC) | Y - private consultation with call 2(ECC)\n"); 155 printf("[ - Query Response and Hold status (RHH ?) | ] - Place call in a response and held state(RHH 0)\n"); 156 printf("{ - Accept held call(RHH 1) | } - Reject held call(RHH 2)\n"); 157 printf("? - Query Subscriber Number (NUM)\n"); 158 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 159 printf("\n"); 160 } 161 162 static void stdin_process(char c){ 163 uint8_t status = ERROR_CODE_SUCCESS; 164 165 cmd = c; // used in packet handler 166 167 if (cmd >= '0' && cmd <= '9'){ 168 printf("DTMF Code: %c\n", cmd); 169 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 170 return; 171 } 172 173 switch (cmd){ 174 case '#': 175 case '-': 176 case '+': 177 case '*': 178 log_info("USER:\'%c\'", cmd); 179 printf("DTMF Code: %c\n", cmd); 180 status = hfp_hf_send_dtmf_code(acl_handle, cmd); 181 break; 182 case 'a': 183 log_info("USER:\'%c\'", cmd); 184 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 185 status = hfp_hf_establish_service_level_connection(device_addr); 186 break; 187 case 'A': 188 log_info("USER:\'%c\'", cmd); 189 printf("Release Service level connection.\n"); 190 status = hfp_hf_release_service_level_connection(acl_handle); 191 break; 192 case 'b': 193 log_info("USER:\'%c\'", cmd); 194 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 195 status = hfp_hf_establish_audio_connection(acl_handle); 196 break; 197 case 'B': 198 log_info("USER:\'%c\'", cmd); 199 printf("Release Audio service level connection.\n"); 200 status = hfp_hf_release_audio_connection(acl_handle); 201 break; 202 case 'C': 203 log_info("USER:\'%c\'", cmd); 204 printf("Enable registration status update for all AG indicators.\n"); 205 status = hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 206 break; 207 case 'c': 208 log_info("USER:\'%c\'", cmd); 209 printf("Disable registration status update for all AG indicators.\n"); 210 status = hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 211 break; 212 case 'D': 213 log_info("USER:\'%c\'", cmd); 214 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 215 status = hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 216 break; 217 case 'd': 218 log_info("USER:\'%c\'", cmd); 219 printf("Query network operator.\n"); 220 status = hfp_hf_query_operator_selection(acl_handle); 221 break; 222 case 'E': 223 log_info("USER:\'%c\'", cmd); 224 printf("Enable reporting of the extended AG error result code.\n"); 225 status = hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 226 break; 227 case 'e': 228 log_info("USER:\'%c\'", cmd); 229 printf("Disable reporting of the extended AG error result code.\n"); 230 status = hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 231 break; 232 case 'f': 233 log_info("USER:\'%c\'", cmd); 234 printf("Answer incoming call.\n"); 235 status = hfp_hf_answer_incoming_call(acl_handle); 236 break; 237 case 'F': 238 log_info("USER:\'%c\'", cmd); 239 printf("Hangup call.\n"); 240 status = hfp_hf_terminate_call(acl_handle); 241 break; 242 case 'G': 243 log_info("USER:\'%c\'", cmd); 244 printf("Reject incoming call.\n"); 245 status = hfp_hf_reject_incoming_call(acl_handle); 246 break; 247 case 'g': 248 log_info("USER:\'%c\'", cmd); 249 printf("Query operator.\n"); 250 status = hfp_hf_query_operator_selection(acl_handle); 251 break; 252 case 't': 253 log_info("USER:\'%c\'", cmd); 254 printf("Terminate HCI connection.\n"); 255 gap_disconnect(acl_handle); 256 break; 257 case 'i': 258 log_info("USER:\'%c\'", cmd); 259 printf("Dial 1234567\n"); 260 status = hfp_hf_dial_number(acl_handle, "1234567"); 261 break; 262 case 'I': 263 log_info("USER:\'%c\'", cmd); 264 printf("Dial 7654321\n"); 265 status = hfp_hf_dial_number(acl_handle, "7654321"); 266 break; 267 case 'j': 268 log_info("USER:\'%c\'", cmd); 269 printf("Dial #1\n"); 270 status = hfp_hf_dial_memory(acl_handle,1); 271 break; 272 case 'J': 273 log_info("USER:\'%c\'", cmd); 274 printf("Dial #99\n"); 275 status = hfp_hf_dial_memory(acl_handle,99); 276 break; 277 case 'k': 278 log_info("USER:\'%c\'", cmd); 279 printf("Deactivate call waiting notification\n"); 280 status = hfp_hf_deactivate_call_waiting_notification(acl_handle); 281 break; 282 case 'K': 283 log_info("USER:\'%c\'", cmd); 284 printf("Activate call waiting notification\n"); 285 status = hfp_hf_activate_call_waiting_notification(acl_handle); 286 break; 287 case 'l': 288 log_info("USER:\'%c\'", cmd); 289 printf("Deactivate calling line notification\n"); 290 status = hfp_hf_deactivate_calling_line_notification(acl_handle); 291 break; 292 case 'L': 293 log_info("USER:\'%c\'", cmd); 294 printf("Activate calling line notification\n"); 295 status = hfp_hf_activate_calling_line_notification(acl_handle); 296 break; 297 case 'm': 298 log_info("USER:\'%c\'", cmd); 299 printf("Deactivate echo canceling and noise reduction\n"); 300 status = hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 301 break; 302 case 'M': 303 log_info("USER:\'%c\'", cmd); 304 printf("Activate echo canceling and noise reduction\n"); 305 status = hfp_hf_activate_echo_canceling_and_noise_reduction(acl_handle); 306 break; 307 case 'n': 308 log_info("USER:\'%c\'", cmd); 309 printf("Deactivate voice recognition\n"); 310 status = hfp_hf_deactivate_voice_recognition(acl_handle); 311 break; 312 case 'N': 313 log_info("USER:\'%c\'", cmd); 314 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 315 status = hfp_hf_activate_voice_recognition(acl_handle); 316 break; 317 case 'o': 318 log_info("USER:\'%c\'", cmd); 319 printf("Set speaker gain to 0 (minimum)\n"); 320 status = hfp_hf_set_speaker_gain(acl_handle, 0); 321 break; 322 case 'O': 323 log_info("USER:\'%c\'", cmd); 324 printf("Set speaker gain to 9 (default)\n"); 325 status = hfp_hf_set_speaker_gain(acl_handle, 9); 326 break; 327 case 'p': 328 log_info("USER:\'%c\'", cmd); 329 printf("Set speaker gain to 12 (higher)\n"); 330 status = hfp_hf_set_speaker_gain(acl_handle, 12); 331 break; 332 case 'P': 333 log_info("USER:\'%c\'", cmd); 334 printf("Set speaker gain to 15 (maximum)\n"); 335 status = hfp_hf_set_speaker_gain(acl_handle, 15); 336 break; 337 case 'q': 338 log_info("USER:\'%c\'", cmd); 339 printf("Set microphone gain to 0\n"); 340 status = hfp_hf_set_microphone_gain(acl_handle, 0); 341 break; 342 case 'Q': 343 log_info("USER:\'%c\'", cmd); 344 printf("Set microphone gain to 9\n"); 345 status = hfp_hf_set_microphone_gain(acl_handle, 9); 346 break; 347 case 's': 348 log_info("USER:\'%c\'", cmd); 349 printf("Set microphone gain to 12\n"); 350 status = hfp_hf_set_microphone_gain(acl_handle, 12); 351 break; 352 case 'S': 353 log_info("USER:\'%c\'", cmd); 354 printf("Set microphone gain to 15\n"); 355 status = hfp_hf_set_microphone_gain(acl_handle, 15); 356 break; 357 case 'u': 358 log_info("USER:\'%c\'", cmd); 359 printf("Send 'user busy' (Three-Way Call 0)\n"); 360 status = hfp_hf_user_busy(acl_handle); 361 break; 362 case 'U': 363 log_info("USER:\'%c\'", cmd); 364 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 365 status = hfp_hf_end_active_and_accept_other(acl_handle); 366 break; 367 case 'v': 368 log_info("USER:\'%c\'", cmd); 369 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 370 status = hfp_hf_swap_calls(acl_handle); 371 break; 372 case 'V': 373 log_info("USER:\'%c\'", cmd); 374 printf("Join hold call (Three-Way Call 3)\n"); 375 status = hfp_hf_join_held_call(acl_handle); 376 break; 377 case 'w': 378 log_info("USER:\'%c\'", cmd); 379 printf("Connect calls (Three-Way Call 4)\n"); 380 status = hfp_hf_connect_calls(acl_handle); 381 break; 382 case 'W': 383 log_info("USER:\'%c\'", cmd); 384 printf("Redial\n"); 385 status = hfp_hf_redial_last_number(acl_handle); 386 break; 387 case 'x': 388 log_info("USER:\'%c\'", cmd); 389 printf("Request phone number for voice tag\n"); 390 status = hfp_hf_request_phone_number_for_voice_tag(acl_handle); 391 break; 392 case 'X': 393 log_info("USER:\'%c\'", cmd); 394 printf("Query current call status\n"); 395 status = hfp_hf_query_current_call_status(acl_handle); 396 break; 397 case 'y': 398 log_info("USER:\'%c\'", cmd); 399 printf("Release call with index 2\n"); 400 status = hfp_hf_release_call_with_index(acl_handle, 2); 401 break; 402 case 'Y': 403 log_info("USER:\'%c\'", cmd); 404 printf("Private consultation with call 2\n"); 405 status = hfp_hf_private_consultation_with_call(acl_handle, 2); 406 break; 407 case '[': 408 log_info("USER:\'%c\'", cmd); 409 printf("Query Response and Hold status (RHH ?)\n"); 410 status = hfp_hf_rrh_query_status(acl_handle); 411 break; 412 case ']': 413 log_info("USER:\'%c\'", cmd); 414 printf("Place call in a response and held state (RHH 0)\n"); 415 status = hfp_hf_rrh_hold_call(acl_handle); 416 break; 417 case '{': 418 log_info("USER:\'%c\'", cmd); 419 printf("Accept held call (RHH 1)\n"); 420 status = hfp_hf_rrh_accept_held_call(acl_handle); 421 break; 422 case '}': 423 log_info("USER:\'%c\'", cmd); 424 printf("Reject held call (RHH 2)\n"); 425 status = hfp_hf_rrh_reject_held_call(acl_handle); 426 break; 427 case '?': 428 log_info("USER:\'%c\'", cmd); 429 printf("Query Subscriber Number\n"); 430 status = hfp_hf_query_subscriber_number(acl_handle); 431 break; 432 case '!': 433 log_info("USER:\'%c\'", cmd); 434 printf("Update HF indicator with assigned number 1 (HFI)\n"); 435 status = hfp_hf_set_hf_indicator(acl_handle, 1, 1); 436 break; 437 default: 438 show_usage(); 439 break; 440 } 441 442 if (status != ERROR_CODE_SUCCESS){ 443 printf("Could not perform command, status 0x%02x\n", status); 444 } 445 } 446 #endif 447 448 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 449 UNUSED(channel); 450 uint8_t status; 451 452 switch (packet_type){ 453 454 case HCI_SCO_DATA_PACKET: 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 HCI_EVENT_SCO_CAN_SEND_NOW: 462 sco_demo_send(sco_handle); 463 break; 464 465 case HCI_EVENT_COMMAND_COMPLETE: 466 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 467 dump_supported_codecs(); 468 } 469 break; 470 471 case HCI_EVENT_HFP_META: 472 switch (hci_event_hfp_meta_get_subevent_code(event)) { 473 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 474 acl_handle = hfp_subevent_service_level_connection_established_get_acl_handle(event); 475 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 476 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 477 break; 478 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 479 acl_handle = HCI_CON_HANDLE_INVALID; 480 printf("Service level connection released.\n\n"); 481 break; 482 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 483 status = hfp_subevent_audio_connection_established_get_status(event); 484 if (status != ERROR_CODE_SUCCESS){ 485 printf("Audio connection establishment failed with status 0x%02x\n", status); 486 } else { 487 sco_handle = hfp_subevent_audio_connection_established_get_sco_handle(event); 488 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 489 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 490 switch (negotiated_codec){ 491 case 0x01: 492 printf("Using CVSD codec.\n"); 493 break; 494 case 0x02: 495 printf("Using mSBC codec.\n"); 496 break; 497 default: 498 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 499 break; 500 } 501 sco_demo_set_codec(negotiated_codec); 502 hci_request_sco_can_send_now_event(); 503 } 504 break; 505 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 506 sco_handle = HCI_CON_HANDLE_INVALID; 507 printf("Audio connection released\n"); 508 sco_demo_close(); 509 break; 510 case HFP_SUBEVENT_COMPLETE: 511 status = hfp_subevent_complete_get_status(event); 512 if (status == ERROR_CODE_SUCCESS){ 513 printf("Cmd \'%c\' succeeded\n", cmd); 514 } else { 515 printf("Cmd \'%c\' failed with status 0x%02x\n", cmd, status); 516 } 517 break; 518 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 519 printf("AG_INDICATOR_STATUS_CHANGED, AG indicator (index: %d) to: %d of range [%d, %d], name '%s'\n", 520 hfp_subevent_ag_indicator_status_changed_get_indicator_index(event), 521 hfp_subevent_ag_indicator_status_changed_get_indicator_status(event), 522 hfp_subevent_ag_indicator_status_changed_get_indicator_min_range(event), 523 hfp_subevent_ag_indicator_status_changed_get_indicator_max_range(event), 524 (const char*) hfp_subevent_ag_indicator_status_changed_get_indicator_name(event)); 525 break; 526 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 527 printf("NETWORK_OPERATOR_CHANGED, operator mode: %d, format: %d, name: %s\n", 528 hfp_subevent_network_operator_changed_get_network_operator_mode(event), 529 hfp_subevent_network_operator_changed_get_network_operator_format(event), 530 (char *) hfp_subevent_network_operator_changed_get_network_operator_name(event)); 531 break; 532 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 533 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status : 0x%02x\n", 534 hfp_subevent_extended_audio_gateway_error_get_error(event)); 535 break; 536 case HFP_SUBEVENT_RING: 537 printf("** Ring **\n"); 538 break; 539 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 540 printf("Phone number for voice tag: %s\n", 541 (const char *) hfp_subevent_number_for_voice_tag_get_number(event)); 542 break; 543 case HFP_SUBEVENT_SPEAKER_VOLUME: 544 printf("Speaker volume: gain %u\n", 545 hfp_subevent_speaker_volume_get_gain(event)); 546 break; 547 case HFP_SUBEVENT_MICROPHONE_VOLUME: 548 printf("Microphone volume: gain %u\n", 549 hfp_subevent_microphone_volume_get_gain(event)); 550 break; 551 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 552 printf("Caller ID, number %s\n", hfp_subevent_calling_line_identification_notification_get_number(event)); 553 break; 554 case HFP_SUBEVENT_ENHANCED_CALL_STATUS: 555 printf("Enhanced call status:\n"); 556 printf(" - call index: %d \n", hfp_subevent_enhanced_call_status_get_clcc_idx(event)); 557 printf(" - direction : %s \n", hfp_enhanced_call_dir2str(hfp_subevent_enhanced_call_status_get_clcc_dir(event))); 558 printf(" - status : %s \n", hfp_enhanced_call_status2str(hfp_subevent_enhanced_call_status_get_clcc_status(event))); 559 printf(" - mode : %s \n", hfp_enhanced_call_mode2str(hfp_subevent_enhanced_call_status_get_clcc_mode(event))); 560 printf(" - multipart : %s \n", hfp_enhanced_call_mpty2str(hfp_subevent_enhanced_call_status_get_clcc_mpty(event))); 561 printf(" - type : %d \n", hfp_subevent_enhanced_call_status_get_bnip_type(event)); 562 printf(" - number : %s \n", hfp_subevent_enhanced_call_status_get_bnip_number(event)); 563 break; 564 case HFP_SUBEVENT_VOICE_RECOGNITION_STATUS: 565 status = hfp_subevent_voice_recognition_status_get_status(event); 566 if (status != ERROR_CODE_SUCCESS){ 567 printf("Voice Recognition command failed with status 0x%02x\n", status); 568 break; 569 } 570 switch(hfp_subevent_voice_recognition_status_get_state(event)){ 571 case 0: 572 printf("Voice recognition status deactivated\n"); 573 break; 574 case 1: 575 printf("Voice recognition status activated\n"); 576 break; 577 default: 578 btstack_assert(false); 579 break; 580 } 581 break; 582 default: 583 break; 584 } 585 break; 586 587 default: 588 break; 589 } 590 break; 591 592 default: 593 break; 594 } 595 596 } 597 598 /* @section Main Application Setup 599 * 600 * @text Listing MainConfiguration shows main application code. 601 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 602 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 603 * The stdin_process callback allows for sending commands to the HFP AG. 604 * At the end the Bluetooth stack is started. 605 */ 606 607 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 608 int btstack_main(int argc, const char * argv[]); 609 int btstack_main(int argc, const char * argv[]){ 610 (void)argc; 611 (void)argv; 612 613 sco_demo_init(); 614 615 gap_discoverable_control(1); 616 gap_set_class_of_device(0x200408); 617 gap_set_local_name("HFP HF Demo 00:00:00:00:00:00"); 618 619 // init L2CAP 620 l2cap_init(); 621 622 uint16_t hf_supported_features = 623 (1<<HFP_HFSF_ESCO_S4) | 624 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 625 (1<<HFP_HFSF_HF_INDICATORS) | 626 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 627 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 628 (1<<HFP_HFSF_VOICE_RECOGNITION_FUNCTION) | 629 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 630 int wide_band_speech = 1; 631 632 rfcomm_init(); 633 hfp_hf_init(rfcomm_channel_nr); 634 hfp_hf_init_supported_features(hf_supported_features); 635 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 636 hfp_hf_init_codecs(sizeof(codecs), codecs); 637 638 sdp_init(); 639 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 640 hfp_hf_create_sdp_record(hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 641 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 642 sdp_register_service(hfp_service_buffer); 643 644 // register for HCI events and SCO packets 645 hci_event_callback_registration.callback = &packet_handler; 646 hci_add_event_handler(&hci_event_callback_registration); 647 hci_register_sco_packet_handler(&packet_handler); 648 hci_register_sco_packet_handler(&packet_handler); 649 650 // register for HFP events 651 hfp_hf_register_packet_handler(packet_handler); 652 653 #ifdef HAVE_BTSTACK_STDIN 654 // parse human readable Bluetooth address 655 sscanf_bd_addr(device_addr_string, device_addr); 656 btstack_stdin_setup(stdin_process); 657 #endif 658 // turn on! 659 hci_power_control(HCI_POWER_ON); 660 return 0; 661 } 662 /* LISTING_END */ 663 /* EXAMPLE_END */ 664