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