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 Hands-Free (HF) Demo 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 = "54:E4:3A:26:A2:39"; 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 } 110 } 111 printf("\n"); 112 if (mSBC_skipped){ 113 printf("mSBC codec disabled because eSCO not supported by local controller.\n"); 114 } 115 } 116 117 #ifdef HAVE_BTSTACK_STDIN 118 119 // Testig User Interface 120 static void show_usage(void){ 121 bd_addr_t iut_address; 122 gap_local_bd_addr(iut_address); 123 124 printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 125 printf("\n"); 126 printf("a - establish SLC to %s | ", bd_addr_to_str(device_addr)); 127 printf("A - release SLC connection to device\n"); 128 printf("b - establish Audio connection | B - release Audio connection\n"); 129 printf("d - query network operator | D - Enable HFP AG registration status update via bitmap(IIA)\n"); 130 printf("f - answer incoming call | F - Hangup call\n"); 131 printf("g - query network operator name | G - reject incoming call\n"); 132 printf("i - dial 1234567 | I - dial 7654321\n"); 133 printf("j - dial #1 | J - dial #99\n"); 134 printf("o - Set speaker volume to 0 (minimum) | O - Set speaker volume to 9 (default)\n"); 135 printf("p - Set speaker volume to 12 (higher) | P - Set speaker volume to 15 (maximum)\n"); 136 printf("q - Set microphone gain to 0 (minimum) | Q - Set microphone gain to 9 (default)\n"); 137 printf("s - Set microphone gain to 12 (higher) | S - Set microphone gain to 15 (maximum)\n"); 138 printf("t - terminate connection\n"); 139 printf("u - send 'user busy' (TWC 0)\n"); 140 printf("U - end active call and accept other call' (TWC 1)\n"); 141 printf("v - Swap active call call (TWC 2) | V - Join held call (TWC 3)\n"); 142 printf("w - Connect calls (TWC 4) | W - redial\n"); 143 printf("c/C - disable/enable registration status update for all AG indicators\n"); 144 printf("e/E - disable/enable reporting of the extended AG error result code\n"); 145 printf("k/K - deactivate/activate call waiting notification\n"); 146 printf("l/L - deactivate/activate calling line notification\n"); 147 printf("m/M - deactivate/activate echo canceling and noise reduction\n"); 148 printf("n/N - deactivate/activate voice recognition\n"); 149 printf("0123456789#*-+ - send DTMF dial tones\n"); 150 printf("x - request phone number for voice tag | X - current call status (ECS)\n"); 151 printf("y - release call with index 2 (ECC) | Y - private consulation with call 2(ECC)\n"); 152 printf("[ - Query Response and Hold status (RHH ?) | ] - Place call in a response and held state(RHH 0)\n"); 153 printf("{ - Accept held call(RHH 1) | } - Reject held call(RHH 2)\n"); 154 printf("? - Query Subscriber Number (NUM)\n"); 155 printf("! - Update HF indicator with assigned number 1 (HFI)\n"); 156 printf("\n"); 157 } 158 159 static void stdin_process(char c){ 160 cmd = c; // used in packet handler 161 162 if (cmd >= '0' && cmd <= '9'){ 163 printf("DTMF Code: %c\n", cmd); 164 hfp_hf_send_dtmf_code(acl_handle, cmd); 165 return; 166 } 167 168 switch (cmd){ 169 case '#': 170 case '-': 171 case '+': 172 case '*': 173 log_info("USER:\'%c\'", cmd); 174 printf("DTMF Code: %c\n", cmd); 175 hfp_hf_send_dtmf_code(acl_handle, cmd); 176 break; 177 case 'a': 178 log_info("USER:\'%c\'", cmd); 179 printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 180 hfp_hf_establish_service_level_connection(device_addr); 181 break; 182 case 'A': 183 log_info("USER:\'%c\'", cmd); 184 printf("Release Service level connection.\n"); 185 hfp_hf_release_service_level_connection(acl_handle); 186 break; 187 case 'b': 188 log_info("USER:\'%c\'", cmd); 189 printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr)); 190 hfp_hf_establish_audio_connection(acl_handle); 191 break; 192 case 'B': 193 log_info("USER:\'%c\'", cmd); 194 printf("Release Audio service level connection.\n"); 195 hfp_hf_release_audio_connection(acl_handle); 196 break; 197 case 'C': 198 log_info("USER:\'%c\'", cmd); 199 printf("Enable registration status update for all AG indicators.\n"); 200 hfp_hf_enable_status_update_for_all_ag_indicators(acl_handle); 201 break; 202 case 'c': 203 log_info("USER:\'%c\'", cmd); 204 printf("Disable registration status update for all AG indicators.\n"); 205 hfp_hf_disable_status_update_for_all_ag_indicators(acl_handle); 206 break; 207 case 'D': 208 log_info("USER:\'%c\'", cmd); 209 printf("Set HFP AG registration status update for individual indicators (0111111).\n"); 210 hfp_hf_set_status_update_for_individual_ag_indicators(acl_handle, 63); 211 break; 212 case 'd': 213 log_info("USER:\'%c\'", cmd); 214 printf("Query network operator.\n"); 215 hfp_hf_query_operator_selection(acl_handle); 216 break; 217 case 'E': 218 log_info("USER:\'%c\'", cmd); 219 printf("Enable reporting of the extended AG error result code.\n"); 220 hfp_hf_enable_report_extended_audio_gateway_error_result_code(acl_handle); 221 break; 222 case 'e': 223 log_info("USER:\'%c\'", cmd); 224 printf("Disable reporting of the extended AG error result code.\n"); 225 hfp_hf_disable_report_extended_audio_gateway_error_result_code(acl_handle); 226 break; 227 case 'f': 228 log_info("USER:\'%c\'", cmd); 229 printf("Answer incoming call.\n"); 230 hfp_hf_answer_incoming_call(acl_handle); 231 break; 232 case 'F': 233 log_info("USER:\'%c\'", cmd); 234 printf("Hangup call.\n"); 235 hfp_hf_terminate_call(acl_handle); 236 break; 237 case 'G': 238 log_info("USER:\'%c\'", cmd); 239 printf("Reject incoming call.\n"); 240 hfp_hf_reject_incoming_call(acl_handle); 241 break; 242 case 'g': 243 log_info("USER:\'%c\'", cmd); 244 printf("Query operator.\n"); 245 hfp_hf_query_operator_selection(acl_handle); 246 break; 247 case 't': 248 log_info("USER:\'%c\'", cmd); 249 printf("Terminate HCI connection.\n"); 250 gap_disconnect(acl_handle); 251 break; 252 case 'i': 253 log_info("USER:\'%c\'", cmd); 254 printf("Dial 1234567\n"); 255 hfp_hf_dial_number(acl_handle, "1234567"); 256 break; 257 case 'I': 258 log_info("USER:\'%c\'", cmd); 259 printf("Dial 7654321\n"); 260 hfp_hf_dial_number(acl_handle, "7654321"); 261 break; 262 case 'j': 263 log_info("USER:\'%c\'", cmd); 264 printf("Dial #1\n"); 265 hfp_hf_dial_memory(acl_handle,1); 266 break; 267 case 'J': 268 log_info("USER:\'%c\'", cmd); 269 printf("Dial #99\n"); 270 hfp_hf_dial_memory(acl_handle,99); 271 break; 272 case 'k': 273 log_info("USER:\'%c\'", cmd); 274 printf("Deactivate call waiting notification\n"); 275 hfp_hf_deactivate_call_waiting_notification(acl_handle); 276 break; 277 case 'K': 278 log_info("USER:\'%c\'", cmd); 279 printf("Activate call waiting notification\n"); 280 hfp_hf_activate_call_waiting_notification(acl_handle); 281 break; 282 case 'l': 283 log_info("USER:\'%c\'", cmd); 284 printf("Deactivate calling line notification\n"); 285 hfp_hf_deactivate_calling_line_notification(acl_handle); 286 break; 287 case 'L': 288 log_info("USER:\'%c\'", cmd); 289 printf("Activate calling line notification\n"); 290 hfp_hf_activate_calling_line_notification(acl_handle); 291 break; 292 case 'm': 293 log_info("USER:\'%c\'", cmd); 294 printf("Deactivate echo canceling and noise reduction\n"); 295 hfp_hf_deactivate_echo_canceling_and_noise_reduction(acl_handle); 296 break; 297 case 'M': 298 log_info("USER:\'%c\'", cmd); 299 printf("Activate echo canceling and noise reduction\n"); 300 hfp_hf_activate_echo_canceling_and_noise_reduction(acl_handle); 301 break; 302 case 'n': 303 log_info("USER:\'%c\'", cmd); 304 printf("Deactivate voice recognition\n"); 305 hfp_hf_deactivate_voice_recognition_notification(acl_handle); 306 break; 307 case 'N': 308 log_info("USER:\'%c\'", cmd); 309 printf("Activate voice recognition %s\n", bd_addr_to_str(device_addr)); 310 hfp_hf_activate_voice_recognition_notification(acl_handle); 311 break; 312 case 'o': 313 log_info("USER:\'%c\'", cmd); 314 printf("Set speaker gain to 0 (minimum)\n"); 315 hfp_hf_set_speaker_gain(acl_handle, 0); 316 break; 317 case 'O': 318 log_info("USER:\'%c\'", cmd); 319 printf("Set speaker gain to 9 (default)\n"); 320 hfp_hf_set_speaker_gain(acl_handle, 9); 321 break; 322 case 'p': 323 log_info("USER:\'%c\'", cmd); 324 printf("Set speaker gain to 12 (higher)\n"); 325 hfp_hf_set_speaker_gain(acl_handle, 12); 326 break; 327 case 'P': 328 log_info("USER:\'%c\'", cmd); 329 printf("Set speaker gain to 15 (maximum)\n"); 330 hfp_hf_set_speaker_gain(acl_handle, 15); 331 break; 332 case 'q': 333 log_info("USER:\'%c\'", cmd); 334 printf("Set microphone gain to 0\n"); 335 hfp_hf_set_microphone_gain(acl_handle, 0); 336 break; 337 case 'Q': 338 log_info("USER:\'%c\'", cmd); 339 printf("Set microphone gain to 9\n"); 340 hfp_hf_set_microphone_gain(acl_handle, 9); 341 break; 342 case 's': 343 log_info("USER:\'%c\'", cmd); 344 printf("Set microphone gain to 12\n"); 345 hfp_hf_set_microphone_gain(acl_handle, 12); 346 break; 347 case 'S': 348 log_info("USER:\'%c\'", cmd); 349 printf("Set microphone gain to 15\n"); 350 hfp_hf_set_microphone_gain(acl_handle, 15); 351 break; 352 case 'u': 353 log_info("USER:\'%c\'", cmd); 354 printf("Send 'user busy' (Three-Way Call 0)\n"); 355 hfp_hf_user_busy(acl_handle); 356 break; 357 case 'U': 358 log_info("USER:\'%c\'", cmd); 359 printf("End active call and accept waiting/held call (Three-Way Call 1)\n"); 360 hfp_hf_end_active_and_accept_other(acl_handle); 361 break; 362 case 'v': 363 log_info("USER:\'%c\'", cmd); 364 printf("Swap active call and hold/waiting call (Three-Way Call 2)\n"); 365 hfp_hf_swap_calls(acl_handle); 366 break; 367 case 'V': 368 log_info("USER:\'%c\'", cmd); 369 printf("Join hold call (Three-Way Call 3)\n"); 370 hfp_hf_join_held_call(acl_handle); 371 break; 372 case 'w': 373 log_info("USER:\'%c\'", cmd); 374 printf("Connect calls (Three-Way Call 4)\n"); 375 hfp_hf_connect_calls(acl_handle); 376 break; 377 case 'W': 378 log_info("USER:\'%c\'", cmd); 379 printf("Redial\n"); 380 hfp_hf_redial_last_number(acl_handle); 381 break; 382 case 'x': 383 log_info("USER:\'%c\'", cmd); 384 printf("Request phone number for voice tag\n"); 385 hfp_hf_request_phone_number_for_voice_tag(acl_handle); 386 break; 387 case 'X': 388 log_info("USER:\'%c\'", cmd); 389 printf("Query current call status\n"); 390 hfp_hf_query_current_call_status(acl_handle); 391 break; 392 case 'y': 393 log_info("USER:\'%c\'", cmd); 394 printf("Release call with index 2\n"); 395 hfp_hf_release_call_with_index(acl_handle, 2); 396 break; 397 case 'Y': 398 log_info("USER:\'%c\'", cmd); 399 printf("Private consulation with call 2\n"); 400 hfp_hf_private_consultation_with_call(acl_handle, 2); 401 break; 402 case '[': 403 log_info("USER:\'%c\'", cmd); 404 printf("Query Response and Hold status (RHH ?)\n"); 405 hfp_hf_rrh_query_status(acl_handle); 406 break; 407 case ']': 408 log_info("USER:\'%c\'", cmd); 409 printf("Place call in a response and held state (RHH 0)\n"); 410 hfp_hf_rrh_hold_call(acl_handle); 411 break; 412 case '{': 413 log_info("USER:\'%c\'", cmd); 414 printf("Accept held call (RHH 1)\n"); 415 hfp_hf_rrh_accept_held_call(acl_handle); 416 break; 417 case '}': 418 log_info("USER:\'%c\'", cmd); 419 printf("Reject held call (RHH 2)\n"); 420 hfp_hf_rrh_reject_held_call(acl_handle); 421 break; 422 case '?': 423 log_info("USER:\'%c\'", cmd); 424 printf("Query Subscriber Number\n"); 425 hfp_hf_query_subscriber_number(acl_handle); 426 break; 427 case '!': 428 log_info("USER:\'%c\'", cmd); 429 printf("Update HF indicator with assigned number 1 (HFI)\n"); 430 hfp_hf_set_hf_indicator(acl_handle, 1, 1); 431 break; 432 default: 433 show_usage(); 434 break; 435 } 436 } 437 #endif 438 439 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 440 UNUSED(channel); 441 442 switch (packet_type){ 443 444 case HCI_SCO_DATA_PACKET: 445 if (READ_SCO_CONNECTION_HANDLE(event) != sco_handle) break; 446 sco_demo_receive(event, event_size); 447 break; 448 449 case HCI_EVENT_PACKET: 450 switch (event[0]){ 451 case HCI_EVENT_SCO_CAN_SEND_NOW: 452 sco_demo_send(sco_handle); 453 break; 454 455 case HCI_EVENT_COMMAND_COMPLETE: 456 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 457 dump_supported_codecs(); 458 } 459 break; 460 461 case HCI_EVENT_HFP_META: 462 switch (event[2]) { 463 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 464 acl_handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 465 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 466 printf("Service level connection established %s.\n\n", bd_addr_to_str(device_addr)); 467 break; 468 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 469 acl_handle = HCI_CON_HANDLE_INVALID; 470 printf("Service level connection released.\n\n"); 471 break; 472 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 473 if (hfp_subevent_audio_connection_established_get_status(event)){ 474 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 475 } else { 476 sco_handle = hfp_subevent_audio_connection_established_get_handle(event); 477 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 478 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 479 switch (negotiated_codec){ 480 case 0x01: 481 printf("Using CVSD codec.\n"); 482 break; 483 case 0x02: 484 printf("Using mSBC codec.\n"); 485 break; 486 default: 487 printf("Using unknown codec 0x%02x.\n", negotiated_codec); 488 break; 489 } 490 sco_demo_set_codec(negotiated_codec); 491 hci_request_sco_can_send_now_event(); 492 } 493 break; 494 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 495 sco_handle = HCI_CON_HANDLE_INVALID; 496 printf("Audio connection released\n"); 497 sco_demo_close(); 498 break; 499 case HFP_SUBEVENT_COMPLETE: 500 switch (cmd){ 501 case 'd': 502 printf("HFP AG registration status update enabled.\n"); 503 break; 504 case 'e': 505 printf("HFP AG registration status update for individual indicators set.\n"); 506 break; 507 default: 508 break; 509 } 510 break; 511 case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED: 512 printf("AG_INDICATOR_STATUS_CHANGED, AG indicator (index: %d) to: %d of range [%d, %d], name '%s'\n", 513 hfp_subevent_ag_indicator_status_changed_get_indicator_index(event), 514 hfp_subevent_ag_indicator_status_changed_get_indicator_status(event), 515 hfp_subevent_ag_indicator_status_changed_get_indicator_min_range(event), 516 hfp_subevent_ag_indicator_status_changed_get_indicator_max_range(event), 517 (const char*) hfp_subevent_ag_indicator_status_changed_get_indicator_name(event)); 518 break; 519 case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED: 520 printf("NETWORK_OPERATOR_CHANGED, operator mode: %d, format: %d, name: %s\n", 521 hfp_subevent_network_operator_changed_get_network_operator_mode(event), 522 hfp_subevent_network_operator_changed_get_network_operator_format(event), 523 (char *) hfp_subevent_network_operator_changed_get_network_operator_name(event)); 524 break; 525 case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR: 526 printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status : %d\n", 527 hfp_subevent_extended_audio_gateway_error_get_error(event)); 528 break; 529 case HFP_SUBEVENT_RING: 530 printf("** Ring **\n"); 531 break; 532 case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG: 533 printf("Phone number for voice tag: %s\n", 534 (const char *) hfp_subevent_number_for_voice_tag_get_number(event)); 535 break; 536 case HFP_SUBEVENT_SPEAKER_VOLUME: 537 printf("Speaker volume: gain %u\n", 538 hfp_subevent_speaker_volume_get_gain(event)); 539 break; 540 case HFP_SUBEVENT_MICROPHONE_VOLUME: 541 printf("Microphone volume: gain %u\n", 542 hfp_subevent_microphone_volume_get_gain(event)); 543 break; 544 case HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION: 545 printf("Caller ID, number %s\n", hfp_subevent_calling_line_identification_notification_get_number(event)); 546 break; 547 case HFP_SUBEVENT_ENHANCED_CALL_STATUS: 548 printf("Enhanced call status:\n"); 549 printf(" - call index: %d \n", hfp_subevent_enhanced_call_status_get_clcc_idx(event)); 550 printf(" - direction : %s \n", hfp_enhanced_call_dir2str(hfp_subevent_enhanced_call_status_get_clcc_dir(event))); 551 printf(" - status : %s \n", hfp_enhanced_call_status2str(hfp_subevent_enhanced_call_status_get_clcc_status(event))); 552 printf(" - mode : %s \n", hfp_enhanced_call_mode2str(hfp_subevent_enhanced_call_status_get_clcc_mode(event))); 553 printf(" - multipart : %s \n", hfp_enhanced_call_mpty2str(hfp_subevent_enhanced_call_status_get_clcc_mpty(event))); 554 printf(" - type : %d \n", hfp_subevent_enhanced_call_status_get_bnip_type(event)); 555 printf(" - number : %s \n", hfp_subevent_enhanced_call_status_get_bnip_number(event)); 556 break; 557 default: 558 printf("event not handled %u\n", event[2]); 559 break; 560 } 561 break; 562 563 default: 564 break; 565 } 566 break; 567 568 default: 569 break; 570 } 571 572 } 573 574 /* @section Main Application Setup 575 * 576 * @text Listing MainConfiguration shows main application code. 577 * To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it. 578 * The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers. 579 * The stdin_process callback allows for sending commands to the HFP AG. 580 * At the end the Bluetooth stack is started. 581 */ 582 583 /* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */ 584 int btstack_main(int argc, const char * argv[]); 585 int btstack_main(int argc, const char * argv[]){ 586 (void)argc; 587 (void)argv; 588 589 sco_demo_init(); 590 591 gap_discoverable_control(1); 592 gap_set_class_of_device(0x200408); 593 gap_set_local_name("HFP HF Demo 00:00:00:00:00:00"); 594 595 // init L2CAP 596 l2cap_init(); 597 598 uint16_t hf_supported_features = 599 (1<<HFP_HFSF_ESCO_S4) | 600 (1<<HFP_HFSF_CLI_PRESENTATION_CAPABILITY) | 601 (1<<HFP_HFSF_HF_INDICATORS) | 602 (1<<HFP_HFSF_CODEC_NEGOTIATION) | 603 (1<<HFP_HFSF_ENHANCED_CALL_STATUS) | 604 (1<<HFP_HFSF_REMOTE_VOLUME_CONTROL); 605 int wide_band_speech = 1; 606 607 rfcomm_init(); 608 hfp_hf_init(rfcomm_channel_nr); 609 hfp_hf_init_supported_features(hf_supported_features); 610 hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators); 611 hfp_hf_init_codecs(sizeof(codecs), codecs); 612 613 sdp_init(); 614 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 615 hfp_hf_create_sdp_record(hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_hf_service_name, hf_supported_features, wide_band_speech); 616 printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer)); 617 sdp_register_service(hfp_service_buffer); 618 619 // register for HCI events and SCO packets 620 hci_event_callback_registration.callback = &packet_handler; 621 hci_add_event_handler(&hci_event_callback_registration); 622 hci_register_sco_packet_handler(&packet_handler); 623 hci_register_sco_packet_handler(&packet_handler); 624 625 // register for HFP events 626 hfp_hf_register_packet_handler(packet_handler); 627 628 #ifdef HAVE_BTSTACK_STDIN 629 // parse human readable Bluetooth address 630 sscanf_bd_addr(device_addr_string, device_addr); 631 btstack_stdin_setup(stdin_process); 632 #endif 633 // turn on! 634 hci_power_control(HCI_POWER_ON); 635 return 0; 636 } 637 /* LISTING_END */ 638 /* EXAMPLE_END */ 639