1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 // ***************************************************************************** 39 // 40 // HFP Hands-Free (HF) unit 41 // 42 // ***************************************************************************** 43 44 #include "btstack_config.h" 45 46 #include <stdint.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 51 #include "btstack_debug.h" 52 #include "btstack_memory.h" 53 #include "btstack_run_loop.h" 54 #include "classic/core.h" 55 #include "classic/hfp.h" 56 #include "classic/hfp_hf.h" 57 #include "classic/sdp_client_rfcomm.h" 58 #include "classic/sdp_server.h" 59 #include "classic/sdp_util.h" 60 #include "hci.h" 61 #include "hci_cmd.h" 62 #include "hci_dump.h" 63 #include "l2cap.h" 64 65 static const char default_hfp_hf_service_name[] = "Hands-Free unit"; 66 static uint16_t hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 67 static uint8_t hfp_codecs_nr = 0; 68 static uint8_t hfp_codecs[HFP_MAX_NUM_CODECS]; 69 70 static uint8_t hfp_indicators_nr = 0; 71 static uint8_t hfp_indicators[HFP_MAX_NUM_HF_INDICATORS]; 72 static uint32_t hfp_indicators_value[HFP_MAX_NUM_HF_INDICATORS]; 73 74 static uint8_t hfp_hf_speaker_gain = 9; 75 static uint8_t hfp_hf_microphone_gain = 9; 76 77 static hfp_callback_t hfp_callback; 78 79 static hfp_call_status_t hfp_call_status; 80 static hfp_callsetup_status_t hfp_callsetup_status; 81 static hfp_callheld_status_t hfp_callheld_status; 82 83 static char phone_number[25]; 84 85 static btstack_packet_callback_registration_t hci_event_callback_registration; 86 87 void hfp_hf_register_packet_handler(hfp_callback_t callback){ 88 hfp_callback = callback; 89 if (callback == NULL){ 90 log_error("hfp_hf_register_packet_handler called with NULL callback"); 91 return; 92 } 93 hfp_callback = callback; 94 hfp_set_callback(callback); 95 } 96 97 static void hfp_hf_emit_subscriber_information(hfp_callback_t callback, uint8_t event_subtype, uint8_t status, uint8_t bnip_type, const char * bnip_number){ 98 if (!callback) return; 99 uint8_t event[31]; 100 event[0] = HCI_EVENT_HFP_META; 101 event[1] = sizeof(event) - 2; 102 event[2] = event_subtype; 103 event[3] = status; 104 event[4] = bnip_type; 105 int size = (strlen(bnip_number) < sizeof(event) - 6) ? strlen(bnip_number) : sizeof(event) - 6; 106 strncpy((char*)&event[5], bnip_number, size); 107 event[5 + size] = 0; 108 (*callback)(event, sizeof(event)); 109 } 110 111 static void hfp_hf_emit_type_and_number(hfp_callback_t callback, uint8_t event_subtype, uint8_t bnip_type, const char * bnip_number){ 112 if (!callback) return; 113 uint8_t event[30]; 114 event[0] = HCI_EVENT_HFP_META; 115 event[1] = sizeof(event) - 2; 116 event[2] = event_subtype; 117 event[3] = bnip_type; 118 int size = (strlen(bnip_number) < sizeof(event) - 5) ? strlen(bnip_number) : sizeof(event) - 5; 119 strncpy((char*)&event[4], bnip_number, size); 120 event[4 + size] = 0; 121 (*callback)(event, sizeof(event)); 122 } 123 124 static void hfp_hf_emit_enhanced_call_status(hfp_callback_t callback, uint8_t clcc_idx, uint8_t clcc_dir, 125 uint8_t clcc_status, uint8_t clcc_mpty, uint8_t bnip_type, const char * bnip_number){ 126 if (!callback) return; 127 uint8_t event[35]; 128 event[0] = HCI_EVENT_HFP_META; 129 event[1] = sizeof(event) - 2; 130 event[2] = HFP_SUBEVENT_ENHANCED_CALL_STATUS; 131 event[3] = clcc_idx; 132 event[4] = clcc_dir; 133 event[6] = clcc_status; 134 event[7] = clcc_mpty; 135 event[8] = bnip_type; 136 int size = (strlen(bnip_number) < sizeof(event) - 10) ? strlen(bnip_number) : sizeof(event) - 10; 137 strncpy((char*)&event[9], bnip_number, size); 138 event[9 + size] = 0; 139 (*callback)(event, sizeof(event)); 140 } 141 142 static int hfp_hf_supports_codec(uint8_t codec){ 143 int i; 144 for (i = 0; i < hfp_codecs_nr; i++){ 145 if (hfp_codecs[i] == codec) return 1; 146 } 147 return HFP_CODEC_CVSD; 148 } 149 static int has_codec_negotiation_feature(hfp_connection_t * hfp_connection){ 150 int hf = get_bit(hfp_supported_features, HFP_HFSF_CODEC_NEGOTIATION); 151 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_CODEC_NEGOTIATION); 152 return hf && ag; 153 } 154 155 static int has_call_waiting_and_3way_calling_feature(hfp_connection_t * hfp_connection){ 156 int hf = get_bit(hfp_supported_features, HFP_HFSF_THREE_WAY_CALLING); 157 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_THREE_WAY_CALLING); 158 return hf && ag; 159 } 160 161 162 static int has_hf_indicators_feature(hfp_connection_t * hfp_connection){ 163 int hf = get_bit(hfp_supported_features, HFP_HFSF_HF_INDICATORS); 164 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_HF_INDICATORS); 165 return hf && ag; 166 } 167 168 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 169 170 void hfp_hf_create_sdp_record(uint8_t * service, uint32_t service_record_handle, int rfcomm_channel_nr, const char * name, uint16_t supported_features){ 171 if (!name){ 172 name = default_hfp_hf_service_name; 173 } 174 hfp_create_sdp_record(service, service_record_handle, SDP_Handsfree, rfcomm_channel_nr, name); 175 176 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); // Hands-Free Profile - SupportedFeatures 177 de_add_number(service, DE_UINT, DE_SIZE_16, supported_features); 178 } 179 180 static int hfp_hf_cmd_exchange_supported_features(uint16_t cid){ 181 char buffer[20]; 182 sprintf(buffer, "AT%s=%d\r\n", HFP_SUPPORTED_FEATURES, hfp_supported_features); 183 // printf("exchange_supported_features %s\n", buffer); 184 return send_str_over_rfcomm(cid, buffer); 185 } 186 187 static int hfp_hf_cmd_notify_on_codecs(uint16_t cid){ 188 char buffer[30]; 189 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_AVAILABLE_CODECS); 190 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_codecs, hfp_codecs_nr); 191 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 192 buffer[offset] = 0; 193 return send_str_over_rfcomm(cid, buffer); 194 } 195 196 static int hfp_hf_cmd_retrieve_indicators(uint16_t cid){ 197 char buffer[20]; 198 sprintf(buffer, "AT%s=?\r\n", HFP_INDICATOR); 199 // printf("retrieve_indicators %s\n", buffer); 200 return send_str_over_rfcomm(cid, buffer); 201 } 202 203 static int hfp_hf_cmd_retrieve_indicators_status(uint16_t cid){ 204 char buffer[20]; 205 sprintf(buffer, "AT%s?\r\n", HFP_INDICATOR); 206 // printf("retrieve_indicators_status %s\n", buffer); 207 return send_str_over_rfcomm(cid, buffer); 208 } 209 210 static int hfp_hf_cmd_activate_status_update_for_all_ag_indicators(uint16_t cid, uint8_t activate){ 211 char buffer[20]; 212 sprintf(buffer, "AT%s=3,0,0,%d\r\n", HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS, activate); 213 // printf("toggle_indicator_status_update %s\n", buffer); 214 return send_str_over_rfcomm(cid, buffer); 215 } 216 217 static int hfp_hf_cmd_activate_status_update_for_ag_indicator(uint16_t cid, uint32_t indicators_status, int indicators_nr){ 218 char buffer[50]; 219 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS); 220 offset += join_bitmap(buffer+offset, sizeof(buffer)-offset, indicators_status, indicators_nr); 221 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 222 buffer[offset] = 0; 223 return send_str_over_rfcomm(cid, buffer); 224 } 225 226 static int hfp_hf_cmd_retrieve_can_hold_call(uint16_t cid){ 227 char buffer[20]; 228 sprintf(buffer, "AT%s=?\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES); 229 // printf("retrieve_can_hold_call %s\n", buffer); 230 return send_str_over_rfcomm(cid, buffer); 231 } 232 233 static int hfp_hf_cmd_list_supported_generic_status_indicators(uint16_t cid){ 234 char buffer[30]; 235 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_GENERIC_STATUS_INDICATOR); 236 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_indicators, hfp_indicators_nr); 237 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 238 buffer[offset] = 0; 239 return send_str_over_rfcomm(cid, buffer); 240 } 241 242 static int hfp_hf_cmd_retrieve_supported_generic_status_indicators(uint16_t cid){ 243 char buffer[20]; 244 sprintf(buffer, "AT%s=?\r\n", HFP_GENERIC_STATUS_INDICATOR); 245 // printf("retrieve_supported_generic_status_indicators %s\n", buffer); 246 return send_str_over_rfcomm(cid, buffer); 247 } 248 249 static int hfp_hf_cmd_list_initital_supported_generic_status_indicators(uint16_t cid){ 250 char buffer[20]; 251 sprintf(buffer, "AT%s?\r\n", HFP_GENERIC_STATUS_INDICATOR); 252 // printf("list_initital_supported_generic_status_indicators %s\n", buffer); 253 return send_str_over_rfcomm(cid, buffer); 254 } 255 256 static int hfp_hf_cmd_query_operator_name_format(uint16_t cid){ 257 char buffer[20]; 258 sprintf(buffer, "AT%s=3,0\r\n", HFP_QUERY_OPERATOR_SELECTION); 259 return send_str_over_rfcomm(cid, buffer); 260 } 261 262 static int hfp_hf_cmd_query_operator_name(uint16_t cid){ 263 char buffer[20]; 264 sprintf(buffer, "AT%s?\r\n", HFP_QUERY_OPERATOR_SELECTION); 265 return send_str_over_rfcomm(cid, buffer); 266 } 267 268 static int hfp_hf_cmd_enable_extended_audio_gateway_error_report(uint16_t cid, uint8_t enable){ 269 char buffer[20]; 270 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR, enable); 271 return send_str_over_rfcomm(cid, buffer); 272 } 273 274 static int hfp_hf_cmd_trigger_codec_connection_setup(uint16_t cid){ 275 char buffer[20]; 276 sprintf(buffer, "AT%s\r\n", HFP_TRIGGER_CODEC_CONNECTION_SETUP); 277 return send_str_over_rfcomm(cid, buffer); 278 } 279 280 static int hfp_hf_cmd_confirm_codec(uint16_t cid, uint8_t codec){ 281 char buffer[20]; 282 sprintf(buffer, "AT%s=%d\r\n", HFP_CONFIRM_COMMON_CODEC, codec); 283 return send_str_over_rfcomm(cid, buffer); 284 } 285 286 static int hfp_hf_cmd_ata(uint16_t cid){ 287 char buffer[10]; 288 sprintf(buffer, "%s\r\n", HFP_CALL_ANSWERED); 289 return send_str_over_rfcomm(cid, buffer); 290 } 291 292 static int hfp_hf_set_microphone_gain_cmd(uint16_t cid, int gain){ 293 char buffer[40]; 294 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_MICROPHONE_GAIN, gain); 295 return send_str_over_rfcomm(cid, buffer); 296 } 297 298 static int hfp_hf_set_speaker_gain_cmd(uint16_t cid, int gain){ 299 char buffer[40]; 300 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_SPEAKER_GAIN, gain); 301 return send_str_over_rfcomm(cid, buffer); 302 } 303 304 static int hfp_hf_set_calling_line_notification_cmd(uint16_t cid, uint8_t activate){ 305 char buffer[40]; 306 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CLIP, activate); 307 return send_str_over_rfcomm(cid, buffer); 308 } 309 310 static int hfp_hf_set_echo_canceling_and_noise_reduction_cmd(uint16_t cid, uint8_t activate){ 311 char buffer[40]; 312 sprintf(buffer, "AT%s=%d\r\n", HFP_TURN_OFF_EC_AND_NR, activate); 313 return send_str_over_rfcomm(cid, buffer); 314 } 315 316 static int hfp_hf_set_voice_recognition_notification_cmd(uint16_t cid, uint8_t activate){ 317 char buffer[40]; 318 sprintf(buffer, "AT%s=%d\r\n", HFP_ACTIVATE_VOICE_RECOGNITION, activate); 319 return send_str_over_rfcomm(cid, buffer); 320 } 321 322 static int hfp_hf_set_call_waiting_notification_cmd(uint16_t cid, uint8_t activate){ 323 char buffer[40]; 324 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CALL_WAITING_NOTIFICATION, activate); 325 return send_str_over_rfcomm(cid, buffer); 326 } 327 328 static int hfp_hf_initiate_outgoing_call_cmd(uint16_t cid){ 329 char buffer[40]; 330 sprintf(buffer, "%s%s;\r\n", HFP_CALL_PHONE_NUMBER, phone_number); 331 return send_str_over_rfcomm(cid, buffer); 332 } 333 334 static int hfp_hf_send_memory_dial_cmd(uint16_t cid, int memory_id){ 335 char buffer[40]; 336 sprintf(buffer, "%s>%d;\r\n", HFP_CALL_PHONE_NUMBER, memory_id); 337 return send_str_over_rfcomm(cid, buffer); 338 } 339 340 static int hfp_hf_send_redial_last_number_cmd(uint16_t cid){ 341 char buffer[20]; 342 sprintf(buffer, "AT%s\r\n", HFP_REDIAL_LAST_NUMBER); 343 return send_str_over_rfcomm(cid, buffer); 344 } 345 346 static int hfp_hf_send_chup(uint16_t cid){ 347 char buffer[20]; 348 sprintf(buffer, "AT%s\r\n", HFP_HANG_UP_CALL); 349 return send_str_over_rfcomm(cid, buffer); 350 } 351 352 static int hfp_hf_send_chld(uint16_t cid, int number){ 353 char buffer[20]; 354 sprintf(buffer, "AT%s=%u\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, number); 355 return send_str_over_rfcomm(cid, buffer); 356 } 357 358 static int hfp_hf_send_dtmf(uint16_t cid, char code){ 359 char buffer[20]; 360 sprintf(buffer, "AT%s=%c\r\n", HFP_TRANSMIT_DTMF_CODES, code); 361 return send_str_over_rfcomm(cid, buffer); 362 } 363 364 static int hfp_hf_send_binp(uint16_t cid){ 365 char buffer[20]; 366 sprintf(buffer, "AT%s=1\r\n", HFP_PHONE_NUMBER_FOR_VOICE_TAG); 367 return send_str_over_rfcomm(cid, buffer); 368 } 369 370 static int hfp_hf_send_clcc(uint16_t cid){ 371 char buffer[20]; 372 sprintf(buffer, "AT%s\r\n", HFP_LIST_CURRENT_CALLS); 373 return send_str_over_rfcomm(cid, buffer); 374 } 375 376 static void hfp_emit_ag_indicator_event(hfp_callback_t callback, hfp_ag_indicator_t indicator){ 377 if (!callback) return; 378 uint8_t event[5+HFP_MAX_INDICATOR_DESC_SIZE+1]; 379 event[0] = HCI_EVENT_HFP_META; 380 event[1] = sizeof(event) - 2; 381 event[2] = HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED; 382 event[3] = indicator.index; 383 event[4] = indicator.status; 384 strncpy((char*)&event[5], indicator.name, HFP_MAX_INDICATOR_DESC_SIZE); 385 event[5+HFP_MAX_INDICATOR_DESC_SIZE] = 0; 386 (*callback)(event, sizeof(event)); 387 } 388 389 static void hfp_emit_network_operator_event(hfp_callback_t callback, hfp_network_opearator_t network_operator){ 390 if (!callback) return; 391 uint8_t event[24]; 392 event[0] = HCI_EVENT_HFP_META; 393 event[1] = sizeof(event) - 2; 394 event[2] = HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED; 395 event[3] = network_operator.mode; 396 event[4] = network_operator.format; 397 strcpy((char*)&event[5], network_operator.name); 398 (*callback)(event, sizeof(event)); 399 } 400 401 static int hfp_hf_run_for_context_service_level_connection(hfp_connection_t * hfp_connection){ 402 if (hfp_connection->state >= HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 403 if (hfp_connection->ok_pending) return 0; 404 int done = 1; 405 406 switch (hfp_connection->state){ 407 case HFP_EXCHANGE_SUPPORTED_FEATURES: 408 hfp_connection->state = HFP_W4_EXCHANGE_SUPPORTED_FEATURES; 409 hfp_hf_cmd_exchange_supported_features(hfp_connection->rfcomm_cid); 410 break; 411 case HFP_NOTIFY_ON_CODECS: 412 hfp_connection->state = HFP_W4_NOTIFY_ON_CODECS; 413 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 414 break; 415 case HFP_RETRIEVE_INDICATORS: 416 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS; 417 hfp_hf_cmd_retrieve_indicators(hfp_connection->rfcomm_cid); 418 break; 419 case HFP_RETRIEVE_INDICATORS_STATUS: 420 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS_STATUS; 421 hfp_hf_cmd_retrieve_indicators_status(hfp_connection->rfcomm_cid); 422 break; 423 case HFP_ENABLE_INDICATORS_STATUS_UPDATE: 424 hfp_connection->state = HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE; 425 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, 1); 426 break; 427 case HFP_RETRIEVE_CAN_HOLD_CALL: 428 hfp_connection->state = HFP_W4_RETRIEVE_CAN_HOLD_CALL; 429 hfp_hf_cmd_retrieve_can_hold_call(hfp_connection->rfcomm_cid); 430 break; 431 case HFP_LIST_GENERIC_STATUS_INDICATORS: 432 hfp_connection->state = HFP_W4_LIST_GENERIC_STATUS_INDICATORS; 433 hfp_hf_cmd_list_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 434 break; 435 case HFP_RETRIEVE_GENERIC_STATUS_INDICATORS: 436 hfp_connection->state = HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS; 437 hfp_hf_cmd_retrieve_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 438 break; 439 case HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 440 hfp_connection->state = HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 441 hfp_hf_cmd_list_initital_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 442 break; 443 default: 444 done = 0; 445 break; 446 } 447 return done; 448 } 449 450 451 static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * hfp_connection){ 452 if (hfp_connection->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 453 if (hfp_connection->ok_pending) return 0; 454 455 int done = 0; 456 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 457 hfp_connection->ok_pending = 1; 458 done = 1; 459 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, hfp_connection->enable_status_update_for_ag_indicators); 460 return done; 461 }; 462 if (hfp_connection->change_status_update_for_individual_ag_indicators){ 463 hfp_connection->ok_pending = 1; 464 done = 1; 465 hfp_hf_cmd_activate_status_update_for_ag_indicator(hfp_connection->rfcomm_cid, 466 hfp_connection->ag_indicators_status_update_bitmap, 467 hfp_connection->ag_indicators_nr); 468 return done; 469 } 470 471 switch (hfp_connection->hf_query_operator_state){ 472 case HFP_HF_QUERY_OPERATOR_SET_FORMAT: 473 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK; 474 hfp_connection->ok_pending = 1; 475 hfp_hf_cmd_query_operator_name_format(hfp_connection->rfcomm_cid); 476 return 1; 477 case HFP_HF_QUERY_OPERATOR_SEND_QUERY: 478 hfp_connection->hf_query_operator_state = HPF_HF_QUERY_OPERATOR_W4_RESULT; 479 hfp_connection->ok_pending = 1; 480 hfp_hf_cmd_query_operator_name(hfp_connection->rfcomm_cid); 481 return 1; 482 default: 483 break; 484 } 485 486 if (hfp_connection->enable_extended_audio_gateway_error_report){ 487 hfp_connection->ok_pending = 1; 488 done = 1; 489 hfp_hf_cmd_enable_extended_audio_gateway_error_report(hfp_connection->rfcomm_cid, hfp_connection->enable_extended_audio_gateway_error_report); 490 return done; 491 } 492 493 return done; 494 } 495 496 static int codecs_exchange_state_machine(hfp_connection_t * hfp_connection){ 497 /* events ( == commands): 498 HFP_CMD_AVAILABLE_CODECS == received AT+BAC with list of codecs 499 HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 500 hf_trigger_codec_connection_setup == received BCC 501 ag_trigger_codec_connection_setup == received from AG to send BCS 502 HFP_CMD_HF_CONFIRMED_CODEC == received AT+BCS 503 */ 504 505 if (hfp_connection->ok_pending) return 0; 506 507 switch (hfp_connection->command){ 508 case HFP_CMD_AVAILABLE_CODECS: 509 if (hfp_connection->codecs_state == HFP_CODECS_W4_AG_COMMON_CODEC) return 0; 510 511 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 512 hfp_connection->ok_pending = 1; 513 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 514 return 1; 515 case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 516 hfp_connection->codec_confirmed = 0; 517 hfp_connection->suggested_codec = 0; 518 hfp_connection->negotiated_codec = 0; 519 520 hfp_connection->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE; 521 hfp_connection->ok_pending = 1; 522 hfp_hf_cmd_trigger_codec_connection_setup(hfp_connection->rfcomm_cid); 523 break; 524 525 case HFP_CMD_AG_SUGGESTED_CODEC: 526 if (hfp_hf_supports_codec(hfp_connection->suggested_codec)){ 527 hfp_connection->codec_confirmed = hfp_connection->suggested_codec; 528 hfp_connection->ok_pending = 1; 529 hfp_connection->codecs_state = HFP_CODECS_HF_CONFIRMED_CODEC; 530 hfp_hf_cmd_confirm_codec(hfp_connection->rfcomm_cid, hfp_connection->suggested_codec); 531 } else { 532 hfp_connection->codec_confirmed = 0; 533 hfp_connection->suggested_codec = 0; 534 hfp_connection->negotiated_codec = 0; 535 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 536 hfp_connection->ok_pending = 1; 537 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 538 539 } 540 break; 541 542 default: 543 break; 544 } 545 return 0; 546 } 547 548 static int hfp_hf_run_for_audio_connection(hfp_connection_t * hfp_connection){ 549 if (hfp_connection->state < HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED || 550 hfp_connection->state > HFP_W2_DISCONNECT_SCO) return 0; 551 552 553 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED && hfp_connection->release_audio_connection){ 554 hfp_connection->state = HFP_W4_SCO_DISCONNECTED; 555 hfp_connection->release_audio_connection = 0; 556 gap_disconnect(hfp_connection->sco_handle); 557 return 1; 558 } 559 560 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return 0; 561 562 // run codecs exchange 563 int done = codecs_exchange_state_machine(hfp_connection); 564 if (done) return 1; 565 566 if (hfp_connection->establish_audio_connection){ 567 hfp_connection->state = HFP_W4_SCO_CONNECTED; 568 hfp_connection->establish_audio_connection = 0; 569 hfp_setup_synchronous_connection(hfp_connection->acl_handle, hfp_connection->link_setting); 570 return 1; 571 } 572 573 return 0; 574 } 575 576 static int call_setup_state_machine(hfp_connection_t * hfp_connection){ 577 if (hfp_connection->hf_answer_incoming_call){ 578 hfp_hf_cmd_ata(hfp_connection->rfcomm_cid); 579 hfp_connection->hf_answer_incoming_call = 0; 580 return 1; 581 } 582 return 0; 583 } 584 585 static void hfp_run_for_context(hfp_connection_t * hfp_connection){ 586 if (!hfp_connection) return; 587 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) return; 588 589 int done = hfp_hf_run_for_context_service_level_connection(hfp_connection); 590 if (!done){ 591 done = hfp_hf_run_for_context_service_level_connection_queries(hfp_connection); 592 } 593 if (!done){ 594 done = hfp_hf_run_for_audio_connection(hfp_connection); 595 } 596 if (!done){ 597 done = call_setup_state_machine(hfp_connection); 598 } 599 600 if (hfp_connection->send_microphone_gain){ 601 hfp_connection->send_microphone_gain = 0; 602 hfp_connection->ok_pending = 1; 603 hfp_hf_set_microphone_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->microphone_gain); 604 return; 605 } 606 607 if (hfp_connection->send_speaker_gain){ 608 hfp_connection->send_speaker_gain = 0; 609 hfp_connection->ok_pending = 1; 610 hfp_hf_set_speaker_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->speaker_gain); 611 return; 612 } 613 614 if (hfp_connection->hf_deactivate_calling_line_notification){ 615 hfp_connection->hf_deactivate_calling_line_notification = 0; 616 hfp_connection->ok_pending = 1; 617 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 0); 618 return; 619 } 620 621 if (hfp_connection->hf_activate_calling_line_notification){ 622 hfp_connection->hf_activate_calling_line_notification = 0; 623 hfp_connection->ok_pending = 1; 624 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 1); 625 return; 626 } 627 628 if (hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction){ 629 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 0; 630 hfp_connection->ok_pending = 1; 631 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 0); 632 return; 633 } 634 635 if (hfp_connection->hf_activate_echo_canceling_and_noise_reduction){ 636 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 0; 637 hfp_connection->ok_pending = 1; 638 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 1); 639 return; 640 } 641 642 if (hfp_connection->hf_deactivate_voice_recognition_notification){ 643 hfp_connection->hf_deactivate_voice_recognition_notification = 0; 644 hfp_connection->ok_pending = 1; 645 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 0); 646 return; 647 } 648 649 if (hfp_connection->hf_activate_voice_recognition_notification){ 650 hfp_connection->hf_activate_voice_recognition_notification = 0; 651 hfp_connection->ok_pending = 1; 652 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 1); 653 return; 654 } 655 656 657 if (hfp_connection->hf_deactivate_call_waiting_notification){ 658 hfp_connection->hf_deactivate_call_waiting_notification = 0; 659 hfp_connection->ok_pending = 1; 660 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 0); 661 return; 662 } 663 664 if (hfp_connection->hf_activate_call_waiting_notification){ 665 hfp_connection->hf_activate_call_waiting_notification = 0; 666 hfp_connection->ok_pending = 1; 667 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 1); 668 return; 669 } 670 671 if (hfp_connection->hf_initiate_outgoing_call){ 672 hfp_connection->hf_initiate_outgoing_call = 0; 673 hfp_connection->ok_pending = 1; 674 hfp_hf_initiate_outgoing_call_cmd(hfp_connection->rfcomm_cid); 675 return; 676 } 677 678 if (hfp_connection->hf_initiate_memory_dialing){ 679 hfp_connection->hf_initiate_memory_dialing = 0; 680 hfp_connection->ok_pending = 1; 681 hfp_hf_send_memory_dial_cmd(hfp_connection->rfcomm_cid, hfp_connection->memory_id); 682 return; 683 } 684 685 if (hfp_connection->hf_initiate_redial_last_number){ 686 hfp_connection->hf_initiate_redial_last_number = 0; 687 hfp_connection->ok_pending = 1; 688 hfp_hf_send_redial_last_number_cmd(hfp_connection->rfcomm_cid); 689 return; 690 } 691 692 if (hfp_connection->hf_send_chup){ 693 hfp_connection->hf_send_chup = 0; 694 hfp_connection->ok_pending = 1; 695 hfp_hf_send_chup(hfp_connection->rfcomm_cid); 696 return; 697 } 698 699 if (hfp_connection->hf_send_chld_0){ 700 hfp_connection->hf_send_chld_0 = 0; 701 hfp_connection->ok_pending = 1; 702 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 0); 703 return; 704 } 705 706 if (hfp_connection->hf_send_chld_1){ 707 hfp_connection->hf_send_chld_1 = 0; 708 hfp_connection->ok_pending = 1; 709 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 1); 710 return; 711 } 712 713 if (hfp_connection->hf_send_chld_2){ 714 hfp_connection->hf_send_chld_2 = 0; 715 hfp_connection->ok_pending = 1; 716 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 2); 717 return; 718 } 719 720 if (hfp_connection->hf_send_chld_3){ 721 hfp_connection->hf_send_chld_3 = 0; 722 hfp_connection->ok_pending = 1; 723 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 3); 724 return; 725 } 726 727 if (hfp_connection->hf_send_chld_4){ 728 hfp_connection->hf_send_chld_4 = 0; 729 hfp_connection->ok_pending = 1; 730 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 4); 731 return; 732 } 733 734 if (hfp_connection->hf_send_chld_x){ 735 hfp_connection->hf_send_chld_x = 0; 736 hfp_connection->ok_pending = 1; 737 hfp_hf_send_chld(hfp_connection->rfcomm_cid, hfp_connection->hf_send_chld_x_index); 738 return; 739 } 740 741 if (hfp_connection->hf_send_dtmf_code){ 742 char code = hfp_connection->hf_send_dtmf_code; 743 hfp_connection->hf_send_dtmf_code = 0; 744 hfp_connection->ok_pending = 1; 745 hfp_hf_send_dtmf(hfp_connection->rfcomm_cid, code); 746 return; 747 } 748 749 if (hfp_connection->hf_send_binp){ 750 hfp_connection->hf_send_binp = 0; 751 hfp_connection->ok_pending = 1; 752 hfp_hf_send_binp(hfp_connection->rfcomm_cid); 753 return; 754 } 755 756 if (hfp_connection->hf_send_clcc){ 757 hfp_connection->hf_send_clcc = 0; 758 hfp_connection->ok_pending = 1; 759 hfp_hf_send_clcc(hfp_connection->rfcomm_cid); 760 return; 761 } 762 763 if (hfp_connection->hf_send_rrh){ 764 hfp_connection->hf_send_rrh = 0; 765 char buffer[20]; 766 switch (hfp_connection->hf_send_rrh_command){ 767 case '?': 768 sprintf(buffer, "AT%s?\r\n", HFP_RESPONSE_AND_HOLD); 769 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 770 return; 771 case '0': 772 case '1': 773 case '2': 774 sprintf(buffer, "AT%s=%c\r\n", HFP_RESPONSE_AND_HOLD, hfp_connection->hf_send_rrh_command); 775 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 776 return; 777 default: 778 break; 779 } 780 return; 781 } 782 783 if (hfp_connection->hf_send_cnum){ 784 hfp_connection->hf_send_cnum = 0; 785 char buffer[20]; 786 sprintf(buffer, "AT%s\r\n", HFP_SUBSCRIBER_NUMBER_INFORMATION); 787 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 788 return; 789 } 790 791 // update HF indicators 792 if (hfp_connection->generic_status_update_bitmap){ 793 int i; 794 for (i=0;i<hfp_indicators_nr;i++){ 795 if (get_bit(hfp_connection->generic_status_update_bitmap, i)){ 796 if (hfp_connection->generic_status_indicators[i].state){ 797 hfp_connection->ok_pending = 1; 798 hfp_connection->generic_status_update_bitmap = store_bit(hfp_connection->generic_status_update_bitmap, i, 0); 799 char buffer[30]; 800 sprintf(buffer, "AT%s=%u,%u\r\n", HFP_TRANSFER_HF_INDICATOR_STATUS, hfp_indicators[i], hfp_indicators_value[i]); 801 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 802 } else { 803 printf("Not sending HF indicator %u as it is disabled\n", hfp_indicators[i]); 804 } 805 return; 806 } 807 } 808 } 809 810 if (done) return; 811 // deal with disconnect 812 switch (hfp_connection->state){ 813 case HFP_W2_DISCONNECT_RFCOMM: 814 hfp_connection->state = HFP_W4_RFCOMM_DISCONNECTED; 815 rfcomm_disconnect(hfp_connection->rfcomm_cid); 816 break; 817 818 default: 819 break; 820 } 821 } 822 823 static void hfp_init_link_settings(hfp_connection_t * hfp_connection){ 824 // determine highest possible link setting 825 hfp_connection->link_setting = HFP_LINK_SETTINGS_D1; 826 if (hci_remote_esco_supported(hfp_connection->acl_handle)){ 827 hfp_connection->link_setting = HFP_LINK_SETTINGS_S3; 828 if ((hfp_supported_features & (1<<HFP_HFSF_ESCO_S4)) 829 && (hfp_connection->remote_supported_features & (1<<HFP_AGSF_ESCO_S4))){ 830 hfp_connection->link_setting = HFP_LINK_SETTINGS_S4; 831 } 832 } 833 } 834 835 static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){ 836 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED; 837 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED, 0); 838 hfp_init_link_settings(hfp_connection); 839 // restore volume settings 840 hfp_connection->speaker_gain = hfp_hf_speaker_gain; 841 hfp_connection->send_speaker_gain = 1; 842 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, hfp_hf_speaker_gain); 843 hfp_connection->microphone_gain = hfp_hf_microphone_gain; 844 hfp_connection->send_microphone_gain = 1; 845 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, hfp_hf_microphone_gain); 846 // enable all indicators 847 int i; 848 for (i=0;i<hfp_indicators_nr;i++){ 849 hfp_connection->generic_status_indicators[i].uuid = hfp_indicators[i]; 850 hfp_connection->generic_status_indicators[i].state = 1; 851 } 852 } 853 854 static void hfp_hf_switch_on_ok(hfp_connection_t *hfp_connection){ 855 hfp_connection->ok_pending = 0; 856 switch (hfp_connection->state){ 857 case HFP_W4_EXCHANGE_SUPPORTED_FEATURES: 858 if (has_codec_negotiation_feature(hfp_connection)){ 859 hfp_connection->state = HFP_NOTIFY_ON_CODECS; 860 break; 861 } 862 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 863 break; 864 865 case HFP_W4_NOTIFY_ON_CODECS: 866 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 867 break; 868 869 case HFP_W4_RETRIEVE_INDICATORS: 870 hfp_connection->state = HFP_RETRIEVE_INDICATORS_STATUS; 871 break; 872 873 case HFP_W4_RETRIEVE_INDICATORS_STATUS: 874 hfp_connection->state = HFP_ENABLE_INDICATORS_STATUS_UPDATE; 875 break; 876 877 case HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE: 878 if (has_call_waiting_and_3way_calling_feature(hfp_connection)){ 879 hfp_connection->state = HFP_RETRIEVE_CAN_HOLD_CALL; 880 break; 881 } 882 if (has_hf_indicators_feature(hfp_connection)){ 883 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 884 break; 885 } 886 hfp_ag_slc_established(hfp_connection); 887 break; 888 889 case HFP_W4_RETRIEVE_CAN_HOLD_CALL: 890 if (has_hf_indicators_feature(hfp_connection)){ 891 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 892 break; 893 } 894 hfp_ag_slc_established(hfp_connection); 895 break; 896 897 case HFP_W4_LIST_GENERIC_STATUS_INDICATORS: 898 hfp_connection->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS; 899 break; 900 901 case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS: 902 hfp_connection->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 903 break; 904 905 case HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 906 hfp_ag_slc_established(hfp_connection); 907 break; 908 case HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 909 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 910 hfp_connection->enable_status_update_for_ag_indicators = 0xFF; 911 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 912 break; 913 } 914 915 if (hfp_connection->change_status_update_for_individual_ag_indicators == 1){ 916 hfp_connection->change_status_update_for_individual_ag_indicators = 0; 917 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 918 break; 919 } 920 921 switch (hfp_connection->hf_query_operator_state){ 922 case HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK: 923 printf("Format set, querying name\n"); 924 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 925 break; 926 case HPF_HF_QUERY_OPERATOR_W4_RESULT: 927 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_FORMAT_SET; 928 hfp_emit_network_operator_event(hfp_callback, hfp_connection->network_operator); 929 break; 930 default: 931 break; 932 } 933 934 if (hfp_connection->enable_extended_audio_gateway_error_report){ 935 hfp_connection->enable_extended_audio_gateway_error_report = 0; 936 break; 937 } 938 939 switch (hfp_connection->codecs_state){ 940 case HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE: 941 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 942 break; 943 case HFP_CODECS_HF_CONFIRMED_CODEC: 944 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 945 hfp_emit_event(hfp_callback, HFP_SUBEVENT_CODECS_CONNECTION_COMPLETE, 0); 946 break; 947 default: 948 break; 949 } 950 break; 951 default: 952 break; 953 } 954 955 // done 956 hfp_connection->command = HFP_CMD_NONE; 957 } 958 959 960 static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 961 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_rfcomm_cid(channel); 962 if (!hfp_connection) return; 963 964 char last_char = packet[size-1]; 965 packet[size-1] = 0; 966 log_info("HFP_RX %s", packet); 967 packet[size-1] = last_char; 968 969 int pos, i, value; 970 for (pos = 0; pos < size ; pos++){ 971 hfp_parse(hfp_connection, packet[pos], 1); 972 } 973 974 switch (hfp_connection->command){ 975 case HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION: 976 hfp_connection->command = HFP_CMD_NONE; 977 // printf("Subscriber Number: number %s, type %u\n", hfp_connection->bnip_number, hfp_connection->bnip_type); 978 hfp_hf_emit_subscriber_information(hfp_callback, HFP_SUBEVENT_SUBSCRIBER_NUMBER_INFORMATION, 0, hfp_connection->bnip_type, hfp_connection->bnip_number); 979 break; 980 case HFP_CMD_RESPONSE_AND_HOLD_STATUS: 981 hfp_connection->command = HFP_CMD_NONE; 982 // printf("Response and Hold status: %s\n", hfp_connection->line_buffer); 983 hfp_emit_event(hfp_callback, HFP_SUBEVENT_RESPONSE_AND_HOLD_STATUS, atoi((char *)&hfp_connection->line_buffer[0])); 984 break; 985 case HFP_CMD_LIST_CURRENT_CALLS: 986 hfp_connection->command = HFP_CMD_NONE; 987 // printf("Enhanced Call Status: idx %u, dir %u, status %u, mpty %u, number %s, type %u\n", 988 // hfp_connection->clcc_idx, hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 989 // hfp_connection->bnip_number, hfp_connection->bnip_type); 990 hfp_hf_emit_enhanced_call_status(hfp_callback, hfp_connection->clcc_idx, 991 hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 992 hfp_connection->bnip_type, hfp_connection->bnip_number); 993 break; 994 case HFP_CMD_SET_SPEAKER_GAIN: 995 hfp_connection->command = HFP_CMD_NONE; 996 value = atoi((char*)hfp_connection->line_buffer); 997 hfp_hf_speaker_gain = value; 998 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, value); 999 break; 1000 case HFP_CMD_SET_MICROPHONE_GAIN: 1001 hfp_connection->command = HFP_CMD_NONE; 1002 value = atoi((char*)hfp_connection->line_buffer); 1003 hfp_hf_microphone_gain = value; 1004 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, value); 1005 break; 1006 case HFP_CMD_AG_SENT_PHONE_NUMBER: 1007 hfp_connection->command = HFP_CMD_NONE; 1008 hfp_emit_string_event(hfp_callback, HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG, hfp_connection->bnip_number); 1009 break; 1010 case HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE: 1011 hfp_connection->command = HFP_CMD_NONE; 1012 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALL_WAITING_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1013 break; 1014 case HFP_CMD_AG_SENT_CLIP_INFORMATION: 1015 hfp_connection->command = HFP_CMD_NONE; 1016 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALLING_LINE_INDETIFICATION_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1017 break; 1018 case HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR: 1019 hfp_connection->ok_pending = 0; 1020 hfp_connection->command = HFP_CMD_NONE; 1021 hfp_connection->extended_audio_gateway_error = 0; 1022 hfp_emit_event(hfp_callback, HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR, hfp_connection->extended_audio_gateway_error_value); 1023 break; 1024 case HFP_CMD_ERROR: 1025 hfp_connection->ok_pending = 0; 1026 hfp_reset_context_flags(hfp_connection); 1027 hfp_connection->command = HFP_CMD_NONE; 1028 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 1); 1029 break; 1030 case HFP_CMD_OK: 1031 hfp_hf_switch_on_ok(hfp_connection); 1032 break; 1033 case HFP_CMD_RING: 1034 hfp_emit_simple_event(hfp_callback, HFP_SUBEVENT_RING); 1035 break; 1036 case HFP_CMD_TRANSFER_AG_INDICATOR_STATUS: 1037 for (i = 0; i < hfp_connection->ag_indicators_nr; i++){ 1038 if (hfp_connection->ag_indicators[i].status_changed) { 1039 if (strcmp(hfp_connection->ag_indicators[i].name, "callsetup") == 0){ 1040 hfp_callsetup_status = (hfp_callsetup_status_t) hfp_connection->ag_indicators[i].status; 1041 } else if (strcmp(hfp_connection->ag_indicators[i].name, "callheld") == 0){ 1042 hfp_callheld_status = (hfp_callheld_status_t) hfp_connection->ag_indicators[i].status; 1043 } else if (strcmp(hfp_connection->ag_indicators[i].name, "call") == 0){ 1044 hfp_call_status = (hfp_call_status_t) hfp_connection->ag_indicators[i].status; 1045 } 1046 hfp_connection->ag_indicators[i].status_changed = 0; 1047 hfp_emit_ag_indicator_event(hfp_callback, hfp_connection->ag_indicators[i]); 1048 break; 1049 } 1050 } 1051 break; 1052 default: 1053 break; 1054 } 1055 hfp_run_for_context(hfp_connection); 1056 } 1057 1058 static void hfp_run(void){ 1059 btstack_linked_list_iterator_t it; 1060 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1061 while (btstack_linked_list_iterator_has_next(&it)){ 1062 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1063 hfp_run_for_context(hfp_connection); 1064 } 1065 } 1066 1067 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1068 switch (packet_type){ 1069 case RFCOMM_DATA_PACKET: 1070 hfp_handle_rfcomm_event(packet_type, channel, packet, size); 1071 break; 1072 case HCI_EVENT_PACKET: 1073 hfp_handle_hci_event(packet_type, packet, size); 1074 default: 1075 break; 1076 } 1077 hfp_run(); 1078 } 1079 1080 void hfp_hf_init(uint16_t rfcomm_channel_nr){ 1081 // register for HCI events 1082 hci_event_callback_registration.callback = &packet_handler; 1083 hci_add_event_handler(&hci_event_callback_registration); 1084 1085 l2cap_init(); 1086 1087 rfcomm_register_service(packet_handler, rfcomm_channel_nr, 0xffff); 1088 1089 hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 1090 hfp_codecs_nr = 0; 1091 hfp_indicators_nr = 0; 1092 hfp_hf_speaker_gain = 9; 1093 hfp_hf_microphone_gain = 9; 1094 } 1095 1096 void hfp_hf_init_codecs(int codecs_nr, uint8_t * codecs){ 1097 if (codecs_nr > HFP_MAX_NUM_CODECS){ 1098 log_error("hfp_hf_init_codecs: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS); 1099 return; 1100 } 1101 1102 hfp_codecs_nr = codecs_nr; 1103 int i; 1104 for (i=0; i<codecs_nr; i++){ 1105 hfp_codecs[i] = codecs[i]; 1106 } 1107 1108 char buffer[30]; 1109 int offset = join(buffer, sizeof(buffer), hfp_codecs, hfp_codecs_nr); 1110 buffer[offset] = 0; 1111 btstack_linked_list_iterator_t it; 1112 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1113 while (btstack_linked_list_iterator_has_next(&it)){ 1114 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1115 if (! hfp_connection) continue; 1116 hfp_connection->command = HFP_CMD_AVAILABLE_CODECS; 1117 hfp_run_for_context(hfp_connection); 1118 } 1119 } 1120 1121 void hfp_hf_init_supported_features(uint32_t supported_features){ 1122 hfp_supported_features = supported_features; 1123 } 1124 1125 void hfp_hf_init_hf_indicators(int indicators_nr, uint16_t * indicators){ 1126 hfp_indicators_nr = indicators_nr; 1127 int i; 1128 for (i = 0; i < hfp_indicators_nr ; i++){ 1129 hfp_indicators[i] = indicators[i]; 1130 } 1131 } 1132 1133 void hfp_hf_establish_service_level_connection(bd_addr_t bd_addr){ 1134 hfp_establish_service_level_connection(bd_addr, SDP_HandsfreeAudioGateway); 1135 } 1136 1137 void hfp_hf_release_service_level_connection(bd_addr_t bd_addr){ 1138 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1139 hfp_release_service_level_connection(hfp_connection); 1140 hfp_run_for_context(hfp_connection); 1141 } 1142 1143 static void hfp_hf_set_status_update_for_all_ag_indicators(bd_addr_t bd_addr, uint8_t enable){ 1144 hfp_hf_establish_service_level_connection(bd_addr); 1145 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1146 if (!hfp_connection){ 1147 log_error("HFP HF: hfp_connection doesn't exist."); 1148 return; 1149 } 1150 hfp_connection->enable_status_update_for_ag_indicators = enable; 1151 hfp_run_for_context(hfp_connection); 1152 } 1153 1154 void hfp_hf_enable_status_update_for_all_ag_indicators(bd_addr_t bd_addr){ 1155 hfp_hf_set_status_update_for_all_ag_indicators(bd_addr, 1); 1156 } 1157 1158 void hfp_hf_disable_status_update_for_all_ag_indicators(bd_addr_t bd_addr){ 1159 hfp_hf_set_status_update_for_all_ag_indicators(bd_addr, 0); 1160 } 1161 1162 // TODO: returned ERROR - wrong format 1163 void hfp_hf_set_status_update_for_individual_ag_indicators(bd_addr_t bd_addr, uint32_t indicators_status_bitmap){ 1164 hfp_hf_establish_service_level_connection(bd_addr); 1165 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1166 if (!hfp_connection){ 1167 log_error("HFP HF: hfp_connection doesn't exist."); 1168 return; 1169 } 1170 hfp_connection->change_status_update_for_individual_ag_indicators = 1; 1171 hfp_connection->ag_indicators_status_update_bitmap = indicators_status_bitmap; 1172 hfp_run_for_context(hfp_connection); 1173 } 1174 1175 void hfp_hf_query_operator_selection(bd_addr_t bd_addr){ 1176 hfp_hf_establish_service_level_connection(bd_addr); 1177 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1178 if (!hfp_connection){ 1179 log_error("HFP HF: hfp_connection doesn't exist."); 1180 return; 1181 } 1182 switch (hfp_connection->hf_query_operator_state){ 1183 case HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET: 1184 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SET_FORMAT; 1185 break; 1186 case HFP_HF_QUERY_OPERATOR_FORMAT_SET: 1187 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 1188 break; 1189 default: 1190 break; 1191 } 1192 hfp_run_for_context(hfp_connection); 1193 } 1194 1195 static void hfp_hf_set_report_extended_audio_gateway_error_result_code(bd_addr_t bd_addr, uint8_t enable){ 1196 hfp_hf_establish_service_level_connection(bd_addr); 1197 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1198 if (!hfp_connection){ 1199 log_error("HFP HF: hfp_connection doesn't exist."); 1200 return; 1201 } 1202 hfp_connection->enable_extended_audio_gateway_error_report = enable; 1203 hfp_run_for_context(hfp_connection); 1204 } 1205 1206 1207 void hfp_hf_enable_report_extended_audio_gateway_error_result_code(bd_addr_t bd_addr){ 1208 hfp_hf_set_report_extended_audio_gateway_error_result_code(bd_addr, 1); 1209 } 1210 1211 void hfp_hf_disable_report_extended_audio_gateway_error_result_code(bd_addr_t bd_addr){ 1212 hfp_hf_set_report_extended_audio_gateway_error_result_code(bd_addr, 0); 1213 } 1214 1215 1216 void hfp_hf_establish_audio_connection(bd_addr_t bd_addr){ 1217 hfp_hf_establish_service_level_connection(bd_addr); 1218 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1219 hfp_connection->establish_audio_connection = 0; 1220 1221 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return; 1222 if (hfp_connection->state >= HFP_W2_DISCONNECT_SCO) return; 1223 1224 if (!has_codec_negotiation_feature(hfp_connection)){ 1225 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using defaults"); 1226 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 1227 hfp_connection->establish_audio_connection = 1; 1228 } else { 1229 switch (hfp_connection->codecs_state){ 1230 case HFP_CODECS_W4_AG_COMMON_CODEC: 1231 break; 1232 default: 1233 hfp_connection->command = HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP; 1234 break; 1235 } 1236 } 1237 1238 hfp_run_for_context(hfp_connection); 1239 } 1240 1241 void hfp_hf_release_audio_connection(bd_addr_t bd_addr){ 1242 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1243 hfp_release_audio_connection(hfp_connection); 1244 hfp_run_for_context(hfp_connection); 1245 } 1246 1247 void hfp_hf_answer_incoming_call(bd_addr_t bd_addr){ 1248 hfp_hf_establish_service_level_connection(bd_addr); 1249 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1250 1251 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1252 hfp_connection->hf_answer_incoming_call = 1; 1253 hfp_run_for_context(hfp_connection); 1254 } else { 1255 log_error("HFP HF: answering incoming call with wrong callsetup status %u", hfp_callsetup_status); 1256 } 1257 } 1258 1259 void hfp_hf_terminate_call(bd_addr_t bd_addr){ 1260 hfp_hf_establish_service_level_connection(bd_addr); 1261 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1262 1263 hfp_connection->hf_send_chup = 1; 1264 hfp_run_for_context(hfp_connection); 1265 } 1266 1267 void hfp_hf_reject_incoming_call(bd_addr_t bd_addr){ 1268 hfp_hf_establish_service_level_connection(bd_addr); 1269 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1270 1271 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1272 hfp_connection->hf_send_chup = 1; 1273 hfp_run_for_context(hfp_connection); 1274 } 1275 } 1276 1277 void hfp_hf_user_busy(bd_addr_t addr){ 1278 hfp_hf_establish_service_level_connection(addr); 1279 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1280 1281 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1282 hfp_connection->hf_send_chld_0 = 1; 1283 hfp_run_for_context(hfp_connection); 1284 } 1285 } 1286 1287 void hfp_hf_end_active_and_accept_other(bd_addr_t addr){ 1288 hfp_hf_establish_service_level_connection(addr); 1289 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1290 1291 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1292 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1293 hfp_connection->hf_send_chld_1 = 1; 1294 hfp_run_for_context(hfp_connection); 1295 } 1296 } 1297 1298 void hfp_hf_swap_calls(bd_addr_t addr){ 1299 hfp_hf_establish_service_level_connection(addr); 1300 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1301 1302 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1303 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1304 hfp_connection->hf_send_chld_2 = 1; 1305 hfp_run_for_context(hfp_connection); 1306 } 1307 } 1308 1309 void hfp_hf_join_held_call(bd_addr_t addr){ 1310 hfp_hf_establish_service_level_connection(addr); 1311 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1312 1313 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1314 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1315 hfp_connection->hf_send_chld_3 = 1; 1316 hfp_run_for_context(hfp_connection); 1317 } 1318 } 1319 1320 void hfp_hf_connect_calls(bd_addr_t addr){ 1321 hfp_hf_establish_service_level_connection(addr); 1322 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1323 1324 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1325 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1326 hfp_connection->hf_send_chld_4 = 1; 1327 hfp_run_for_context(hfp_connection); 1328 } 1329 } 1330 1331 void hfp_hf_release_call_with_index(bd_addr_t addr, int index){ 1332 hfp_hf_establish_service_level_connection(addr); 1333 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1334 1335 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1336 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1337 hfp_connection->hf_send_chld_x = 1; 1338 hfp_connection->hf_send_chld_x_index = 10 + index; 1339 hfp_run_for_context(hfp_connection); 1340 } 1341 } 1342 1343 void hfp_hf_private_consultation_with_call(bd_addr_t addr, int index){ 1344 hfp_hf_establish_service_level_connection(addr); 1345 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1346 1347 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1348 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1349 hfp_connection->hf_send_chld_x = 1; 1350 hfp_connection->hf_send_chld_x_index = 20 + index; 1351 hfp_run_for_context(hfp_connection); 1352 } 1353 } 1354 1355 void hfp_hf_dial_number(bd_addr_t bd_addr, char * number){ 1356 hfp_hf_establish_service_level_connection(bd_addr); 1357 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1358 1359 hfp_connection->hf_initiate_outgoing_call = 1; 1360 snprintf(phone_number, sizeof(phone_number), "%s", number); 1361 hfp_run_for_context(hfp_connection); 1362 } 1363 1364 void hfp_hf_dial_memory(bd_addr_t bd_addr, int memory_id){ 1365 hfp_hf_establish_service_level_connection(bd_addr); 1366 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1367 1368 hfp_connection->hf_initiate_memory_dialing = 1; 1369 hfp_connection->memory_id = memory_id; 1370 1371 hfp_run_for_context(hfp_connection); 1372 } 1373 1374 void hfp_hf_redial_last_number(bd_addr_t bd_addr){ 1375 hfp_hf_establish_service_level_connection(bd_addr); 1376 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1377 1378 hfp_connection->hf_initiate_redial_last_number = 1; 1379 hfp_run_for_context(hfp_connection); 1380 } 1381 1382 void hfp_hf_activate_call_waiting_notification(bd_addr_t bd_addr){ 1383 hfp_hf_establish_service_level_connection(bd_addr); 1384 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1385 1386 hfp_connection->hf_activate_call_waiting_notification = 1; 1387 hfp_run_for_context(hfp_connection); 1388 } 1389 1390 1391 void hfp_hf_deactivate_call_waiting_notification(bd_addr_t bd_addr){ 1392 hfp_hf_establish_service_level_connection(bd_addr); 1393 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1394 1395 hfp_connection->hf_deactivate_call_waiting_notification = 1; 1396 hfp_run_for_context(hfp_connection); 1397 } 1398 1399 1400 void hfp_hf_activate_calling_line_notification(bd_addr_t bd_addr){ 1401 hfp_hf_establish_service_level_connection(bd_addr); 1402 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1403 1404 hfp_connection->hf_activate_calling_line_notification = 1; 1405 hfp_run_for_context(hfp_connection); 1406 } 1407 1408 void hfp_hf_deactivate_calling_line_notification(bd_addr_t bd_addr){ 1409 hfp_hf_establish_service_level_connection(bd_addr); 1410 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1411 1412 hfp_connection->hf_deactivate_calling_line_notification = 1; 1413 hfp_run_for_context(hfp_connection); 1414 } 1415 1416 1417 void hfp_hf_activate_echo_canceling_and_noise_reduction(bd_addr_t bd_addr){ 1418 hfp_hf_establish_service_level_connection(bd_addr); 1419 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1420 1421 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 1; 1422 hfp_run_for_context(hfp_connection); 1423 } 1424 1425 void hfp_hf_deactivate_echo_canceling_and_noise_reduction(bd_addr_t bd_addr){ 1426 hfp_hf_establish_service_level_connection(bd_addr); 1427 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1428 1429 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 1; 1430 hfp_run_for_context(hfp_connection); 1431 } 1432 1433 void hfp_hf_activate_voice_recognition_notification(bd_addr_t bd_addr){ 1434 hfp_hf_establish_service_level_connection(bd_addr); 1435 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1436 1437 hfp_connection->hf_activate_voice_recognition_notification = 1; 1438 hfp_run_for_context(hfp_connection); 1439 } 1440 1441 void hfp_hf_deactivate_voice_recognition_notification(bd_addr_t bd_addr){ 1442 hfp_hf_establish_service_level_connection(bd_addr); 1443 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1444 1445 hfp_connection->hf_deactivate_voice_recognition_notification = 1; 1446 hfp_run_for_context(hfp_connection); 1447 } 1448 1449 void hfp_hf_set_microphone_gain(bd_addr_t bd_addr, int gain){ 1450 hfp_hf_establish_service_level_connection(bd_addr); 1451 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1452 if (hfp_connection->microphone_gain == gain) return; 1453 if (gain < 0 || gain > 15){ 1454 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1455 return; 1456 } 1457 hfp_connection->microphone_gain = gain; 1458 hfp_connection->send_microphone_gain = 1; 1459 hfp_run_for_context(hfp_connection); 1460 } 1461 1462 void hfp_hf_set_speaker_gain(bd_addr_t bd_addr, int gain){ 1463 hfp_hf_establish_service_level_connection(bd_addr); 1464 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1465 if (hfp_connection->speaker_gain == gain) return; 1466 if (gain < 0 || gain > 15){ 1467 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1468 return; 1469 } 1470 hfp_connection->speaker_gain = gain; 1471 hfp_connection->send_speaker_gain = 1; 1472 hfp_run_for_context(hfp_connection); 1473 } 1474 1475 void hfp_hf_send_dtmf_code(bd_addr_t addr, char code){ 1476 hfp_hf_establish_service_level_connection(addr); 1477 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1478 hfp_connection->hf_send_dtmf_code = code; 1479 hfp_run_for_context(hfp_connection); 1480 } 1481 1482 void hfp_hf_request_phone_number_for_voice_tag(bd_addr_t addr){ 1483 hfp_hf_establish_service_level_connection(addr); 1484 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1485 hfp_connection->hf_send_binp = 1; 1486 hfp_run_for_context(hfp_connection); 1487 } 1488 1489 void hfp_hf_query_current_call_status(bd_addr_t addr){ 1490 hfp_hf_establish_service_level_connection(addr); 1491 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1492 hfp_connection->hf_send_clcc = 1; 1493 hfp_run_for_context(hfp_connection); 1494 } 1495 1496 1497 void hfp_hf_rrh_query_status(bd_addr_t addr){ 1498 hfp_hf_establish_service_level_connection(addr); 1499 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1500 hfp_connection->hf_send_rrh = 1; 1501 hfp_connection->hf_send_rrh_command = '?'; 1502 hfp_run_for_context(hfp_connection); 1503 } 1504 1505 void hfp_hf_rrh_hold_call(bd_addr_t addr){ 1506 hfp_hf_establish_service_level_connection(addr); 1507 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1508 hfp_connection->hf_send_rrh = 1; 1509 hfp_connection->hf_send_rrh_command = '0'; 1510 hfp_run_for_context(hfp_connection); 1511 } 1512 1513 void hfp_hf_rrh_accept_held_call(bd_addr_t addr){ 1514 hfp_hf_establish_service_level_connection(addr); 1515 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1516 hfp_connection->hf_send_rrh = 1; 1517 hfp_connection->hf_send_rrh_command = '1'; 1518 hfp_run_for_context(hfp_connection); 1519 } 1520 1521 void hfp_hf_rrh_reject_held_call(bd_addr_t addr){ 1522 hfp_hf_establish_service_level_connection(addr); 1523 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1524 hfp_connection->hf_send_rrh = 1; 1525 hfp_connection->hf_send_rrh_command = '2'; 1526 hfp_run_for_context(hfp_connection); 1527 } 1528 1529 void hfp_hf_query_subscriber_number(bd_addr_t addr){ 1530 hfp_hf_establish_service_level_connection(addr); 1531 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1532 hfp_connection->hf_send_cnum = 1; 1533 hfp_run_for_context(hfp_connection); 1534 } 1535 1536 void hfp_hf_set_hf_indicator(bd_addr_t addr, int assigned_number, int value){ 1537 hfp_hf_establish_service_level_connection(addr); 1538 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1539 // find index for assigned number 1540 int i; 1541 for (i = 0; i < hfp_indicators_nr ; i++){ 1542 if (hfp_indicators[i] == assigned_number){ 1543 // set value 1544 hfp_indicators_value[i] = value; 1545 // mark for update 1546 if (hfp_connection->state > HFP_LIST_GENERIC_STATUS_INDICATORS){ 1547 hfp_connection->generic_status_update_bitmap |= (1<<i); 1548 // send update 1549 hfp_run_for_context(hfp_connection); 1550 } 1551 return; 1552 } 1553 } 1554 } 1555 1556