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 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(btstack_packet_handler_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)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 387 } 388 389 static void hfp_emit_network_operator_event(btstack_packet_handler_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)(HCI_EVENT_PACKET, 0, 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); 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 (!hfp_connection->rfcomm_cid) return; 588 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) return; 589 590 int done = hfp_hf_run_for_context_service_level_connection(hfp_connection); 591 if (!done){ 592 done = hfp_hf_run_for_context_service_level_connection_queries(hfp_connection); 593 } 594 if (!done){ 595 done = hfp_hf_run_for_audio_connection(hfp_connection); 596 } 597 if (!done){ 598 done = call_setup_state_machine(hfp_connection); 599 } 600 601 if (hfp_connection->send_microphone_gain){ 602 hfp_connection->send_microphone_gain = 0; 603 hfp_connection->ok_pending = 1; 604 hfp_hf_set_microphone_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->microphone_gain); 605 return; 606 } 607 608 if (hfp_connection->send_speaker_gain){ 609 hfp_connection->send_speaker_gain = 0; 610 hfp_connection->ok_pending = 1; 611 hfp_hf_set_speaker_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->speaker_gain); 612 return; 613 } 614 615 if (hfp_connection->hf_deactivate_calling_line_notification){ 616 hfp_connection->hf_deactivate_calling_line_notification = 0; 617 hfp_connection->ok_pending = 1; 618 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 0); 619 return; 620 } 621 622 if (hfp_connection->hf_activate_calling_line_notification){ 623 hfp_connection->hf_activate_calling_line_notification = 0; 624 hfp_connection->ok_pending = 1; 625 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 1); 626 return; 627 } 628 629 if (hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction){ 630 hfp_connection->hf_deactivate_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, 0); 633 return; 634 } 635 636 if (hfp_connection->hf_activate_echo_canceling_and_noise_reduction){ 637 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 0; 638 hfp_connection->ok_pending = 1; 639 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 1); 640 return; 641 } 642 643 if (hfp_connection->hf_deactivate_voice_recognition_notification){ 644 hfp_connection->hf_deactivate_voice_recognition_notification = 0; 645 hfp_connection->ok_pending = 1; 646 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 0); 647 return; 648 } 649 650 if (hfp_connection->hf_activate_voice_recognition_notification){ 651 hfp_connection->hf_activate_voice_recognition_notification = 0; 652 hfp_connection->ok_pending = 1; 653 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 1); 654 return; 655 } 656 657 658 if (hfp_connection->hf_deactivate_call_waiting_notification){ 659 hfp_connection->hf_deactivate_call_waiting_notification = 0; 660 hfp_connection->ok_pending = 1; 661 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 0); 662 return; 663 } 664 665 if (hfp_connection->hf_activate_call_waiting_notification){ 666 hfp_connection->hf_activate_call_waiting_notification = 0; 667 hfp_connection->ok_pending = 1; 668 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 1); 669 return; 670 } 671 672 if (hfp_connection->hf_initiate_outgoing_call){ 673 hfp_connection->hf_initiate_outgoing_call = 0; 674 hfp_connection->ok_pending = 1; 675 hfp_hf_initiate_outgoing_call_cmd(hfp_connection->rfcomm_cid); 676 return; 677 } 678 679 if (hfp_connection->hf_initiate_memory_dialing){ 680 hfp_connection->hf_initiate_memory_dialing = 0; 681 hfp_connection->ok_pending = 1; 682 hfp_hf_send_memory_dial_cmd(hfp_connection->rfcomm_cid, hfp_connection->memory_id); 683 return; 684 } 685 686 if (hfp_connection->hf_initiate_redial_last_number){ 687 hfp_connection->hf_initiate_redial_last_number = 0; 688 hfp_connection->ok_pending = 1; 689 hfp_hf_send_redial_last_number_cmd(hfp_connection->rfcomm_cid); 690 return; 691 } 692 693 if (hfp_connection->hf_send_chup){ 694 hfp_connection->hf_send_chup = 0; 695 hfp_connection->ok_pending = 1; 696 hfp_hf_send_chup(hfp_connection->rfcomm_cid); 697 return; 698 } 699 700 if (hfp_connection->hf_send_chld_0){ 701 hfp_connection->hf_send_chld_0 = 0; 702 hfp_connection->ok_pending = 1; 703 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 0); 704 return; 705 } 706 707 if (hfp_connection->hf_send_chld_1){ 708 hfp_connection->hf_send_chld_1 = 0; 709 hfp_connection->ok_pending = 1; 710 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 1); 711 return; 712 } 713 714 if (hfp_connection->hf_send_chld_2){ 715 hfp_connection->hf_send_chld_2 = 0; 716 hfp_connection->ok_pending = 1; 717 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 2); 718 return; 719 } 720 721 if (hfp_connection->hf_send_chld_3){ 722 hfp_connection->hf_send_chld_3 = 0; 723 hfp_connection->ok_pending = 1; 724 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 3); 725 return; 726 } 727 728 if (hfp_connection->hf_send_chld_4){ 729 hfp_connection->hf_send_chld_4 = 0; 730 hfp_connection->ok_pending = 1; 731 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 4); 732 return; 733 } 734 735 if (hfp_connection->hf_send_chld_x){ 736 hfp_connection->hf_send_chld_x = 0; 737 hfp_connection->ok_pending = 1; 738 hfp_hf_send_chld(hfp_connection->rfcomm_cid, hfp_connection->hf_send_chld_x_index); 739 return; 740 } 741 742 if (hfp_connection->hf_send_dtmf_code){ 743 char code = hfp_connection->hf_send_dtmf_code; 744 hfp_connection->hf_send_dtmf_code = 0; 745 hfp_connection->ok_pending = 1; 746 hfp_hf_send_dtmf(hfp_connection->rfcomm_cid, code); 747 return; 748 } 749 750 if (hfp_connection->hf_send_binp){ 751 hfp_connection->hf_send_binp = 0; 752 hfp_connection->ok_pending = 1; 753 hfp_hf_send_binp(hfp_connection->rfcomm_cid); 754 return; 755 } 756 757 if (hfp_connection->hf_send_clcc){ 758 hfp_connection->hf_send_clcc = 0; 759 hfp_connection->ok_pending = 1; 760 hfp_hf_send_clcc(hfp_connection->rfcomm_cid); 761 return; 762 } 763 764 if (hfp_connection->hf_send_rrh){ 765 hfp_connection->hf_send_rrh = 0; 766 char buffer[20]; 767 switch (hfp_connection->hf_send_rrh_command){ 768 case '?': 769 sprintf(buffer, "AT%s?\r\n", HFP_RESPONSE_AND_HOLD); 770 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 771 return; 772 case '0': 773 case '1': 774 case '2': 775 sprintf(buffer, "AT%s=%c\r\n", HFP_RESPONSE_AND_HOLD, hfp_connection->hf_send_rrh_command); 776 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 777 return; 778 default: 779 break; 780 } 781 return; 782 } 783 784 if (hfp_connection->hf_send_cnum){ 785 hfp_connection->hf_send_cnum = 0; 786 char buffer[20]; 787 sprintf(buffer, "AT%s\r\n", HFP_SUBSCRIBER_NUMBER_INFORMATION); 788 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 789 return; 790 } 791 792 // update HF indicators 793 if (hfp_connection->generic_status_update_bitmap){ 794 int i; 795 for (i=0;i<hfp_indicators_nr;i++){ 796 if (get_bit(hfp_connection->generic_status_update_bitmap, i)){ 797 if (hfp_connection->generic_status_indicators[i].state){ 798 hfp_connection->ok_pending = 1; 799 hfp_connection->generic_status_update_bitmap = store_bit(hfp_connection->generic_status_update_bitmap, i, 0); 800 char buffer[30]; 801 sprintf(buffer, "AT%s=%u,%u\r\n", HFP_TRANSFER_HF_INDICATOR_STATUS, hfp_indicators[i], hfp_indicators_value[i]); 802 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 803 } else { 804 printf("Not sending HF indicator %u as it is disabled\n", hfp_indicators[i]); 805 } 806 return; 807 } 808 } 809 } 810 811 if (done) return; 812 // deal with disconnect 813 switch (hfp_connection->state){ 814 case HFP_W2_DISCONNECT_RFCOMM: 815 hfp_connection->state = HFP_W4_RFCOMM_DISCONNECTED; 816 rfcomm_disconnect(hfp_connection->rfcomm_cid); 817 break; 818 819 default: 820 break; 821 } 822 } 823 824 static void hfp_init_link_settings(hfp_connection_t * hfp_connection){ 825 // determine highest possible link setting 826 hfp_connection->link_setting = HFP_LINK_SETTINGS_D1; 827 if (hci_remote_esco_supported(hfp_connection->acl_handle)){ 828 hfp_connection->link_setting = HFP_LINK_SETTINGS_S3; 829 if ((hfp_supported_features & (1<<HFP_HFSF_ESCO_S4)) 830 && (hfp_connection->remote_supported_features & (1<<HFP_AGSF_ESCO_S4))){ 831 hfp_connection->link_setting = HFP_LINK_SETTINGS_S4; 832 } 833 } 834 } 835 836 static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){ 837 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED; 838 hfp_emit_connection_event(hfp_callback, HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED, 0, hfp_connection->acl_handle); 839 hfp_init_link_settings(hfp_connection); 840 // restore volume settings 841 hfp_connection->speaker_gain = hfp_hf_speaker_gain; 842 hfp_connection->send_speaker_gain = 1; 843 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, hfp_hf_speaker_gain); 844 hfp_connection->microphone_gain = hfp_hf_microphone_gain; 845 hfp_connection->send_microphone_gain = 1; 846 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, hfp_hf_microphone_gain); 847 // enable all indicators 848 int i; 849 for (i=0;i<hfp_indicators_nr;i++){ 850 hfp_connection->generic_status_indicators[i].uuid = hfp_indicators[i]; 851 hfp_connection->generic_status_indicators[i].state = 1; 852 } 853 } 854 855 static void hfp_hf_switch_on_ok(hfp_connection_t *hfp_connection){ 856 hfp_connection->ok_pending = 0; 857 switch (hfp_connection->state){ 858 case HFP_W4_EXCHANGE_SUPPORTED_FEATURES: 859 if (has_codec_negotiation_feature(hfp_connection)){ 860 hfp_connection->state = HFP_NOTIFY_ON_CODECS; 861 break; 862 } 863 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 864 break; 865 866 case HFP_W4_NOTIFY_ON_CODECS: 867 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 868 break; 869 870 case HFP_W4_RETRIEVE_INDICATORS: 871 hfp_connection->state = HFP_RETRIEVE_INDICATORS_STATUS; 872 break; 873 874 case HFP_W4_RETRIEVE_INDICATORS_STATUS: 875 hfp_connection->state = HFP_ENABLE_INDICATORS_STATUS_UPDATE; 876 break; 877 878 case HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE: 879 if (has_call_waiting_and_3way_calling_feature(hfp_connection)){ 880 hfp_connection->state = HFP_RETRIEVE_CAN_HOLD_CALL; 881 break; 882 } 883 if (has_hf_indicators_feature(hfp_connection)){ 884 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 885 break; 886 } 887 hfp_ag_slc_established(hfp_connection); 888 break; 889 890 case HFP_W4_RETRIEVE_CAN_HOLD_CALL: 891 if (has_hf_indicators_feature(hfp_connection)){ 892 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 893 break; 894 } 895 hfp_ag_slc_established(hfp_connection); 896 break; 897 898 case HFP_W4_LIST_GENERIC_STATUS_INDICATORS: 899 hfp_connection->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS; 900 break; 901 902 case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS: 903 hfp_connection->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 904 break; 905 906 case HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 907 hfp_ag_slc_established(hfp_connection); 908 break; 909 case HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 910 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 911 hfp_connection->enable_status_update_for_ag_indicators = 0xFF; 912 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 913 break; 914 } 915 916 if (hfp_connection->change_status_update_for_individual_ag_indicators == 1){ 917 hfp_connection->change_status_update_for_individual_ag_indicators = 0; 918 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 919 break; 920 } 921 922 switch (hfp_connection->hf_query_operator_state){ 923 case HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK: 924 printf("Format set, querying name\n"); 925 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 926 break; 927 case HPF_HF_QUERY_OPERATOR_W4_RESULT: 928 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_FORMAT_SET; 929 hfp_emit_network_operator_event(hfp_callback, hfp_connection->network_operator); 930 break; 931 default: 932 break; 933 } 934 935 if (hfp_connection->enable_extended_audio_gateway_error_report){ 936 hfp_connection->enable_extended_audio_gateway_error_report = 0; 937 break; 938 } 939 940 switch (hfp_connection->codecs_state){ 941 case HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE: 942 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 943 break; 944 case HFP_CODECS_HF_CONFIRMED_CODEC: 945 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 946 hfp_emit_event(hfp_callback, HFP_SUBEVENT_CODECS_CONNECTION_COMPLETE, 0); 947 break; 948 default: 949 break; 950 } 951 break; 952 default: 953 break; 954 } 955 956 // done 957 hfp_connection->command = HFP_CMD_NONE; 958 } 959 960 961 static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 962 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_rfcomm_cid(channel); 963 if (!hfp_connection) return; 964 965 char last_char = packet[size-1]; 966 packet[size-1] = 0; 967 log_info("HFP_RX %s", packet); 968 packet[size-1] = last_char; 969 970 int pos, i, value; 971 for (pos = 0; pos < size ; pos++){ 972 hfp_parse(hfp_connection, packet[pos], 1); 973 } 974 975 switch (hfp_connection->command){ 976 case HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION: 977 hfp_connection->command = HFP_CMD_NONE; 978 // printf("Subscriber Number: number %s, type %u\n", hfp_connection->bnip_number, hfp_connection->bnip_type); 979 hfp_hf_emit_subscriber_information(hfp_callback, HFP_SUBEVENT_SUBSCRIBER_NUMBER_INFORMATION, 0, hfp_connection->bnip_type, hfp_connection->bnip_number); 980 break; 981 case HFP_CMD_RESPONSE_AND_HOLD_STATUS: 982 hfp_connection->command = HFP_CMD_NONE; 983 // printf("Response and Hold status: %s\n", hfp_connection->line_buffer); 984 hfp_emit_event(hfp_callback, HFP_SUBEVENT_RESPONSE_AND_HOLD_STATUS, atoi((char *)&hfp_connection->line_buffer[0])); 985 break; 986 case HFP_CMD_LIST_CURRENT_CALLS: 987 hfp_connection->command = HFP_CMD_NONE; 988 // printf("Enhanced Call Status: idx %u, dir %u, status %u, mpty %u, number %s, type %u\n", 989 // hfp_connection->clcc_idx, hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 990 // hfp_connection->bnip_number, hfp_connection->bnip_type); 991 hfp_hf_emit_enhanced_call_status(hfp_callback, hfp_connection->clcc_idx, 992 hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 993 hfp_connection->bnip_type, hfp_connection->bnip_number); 994 break; 995 case HFP_CMD_SET_SPEAKER_GAIN: 996 hfp_connection->command = HFP_CMD_NONE; 997 value = atoi((char*)hfp_connection->line_buffer); 998 hfp_hf_speaker_gain = value; 999 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, value); 1000 break; 1001 case HFP_CMD_SET_MICROPHONE_GAIN: 1002 hfp_connection->command = HFP_CMD_NONE; 1003 value = atoi((char*)hfp_connection->line_buffer); 1004 hfp_hf_microphone_gain = value; 1005 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, value); 1006 break; 1007 case HFP_CMD_AG_SENT_PHONE_NUMBER: 1008 hfp_connection->command = HFP_CMD_NONE; 1009 hfp_emit_string_event(hfp_callback, HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG, hfp_connection->bnip_number); 1010 break; 1011 case HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE: 1012 hfp_connection->command = HFP_CMD_NONE; 1013 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALL_WAITING_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1014 break; 1015 case HFP_CMD_AG_SENT_CLIP_INFORMATION: 1016 hfp_connection->command = HFP_CMD_NONE; 1017 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALLING_LINE_INDETIFICATION_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1018 break; 1019 case HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR: 1020 hfp_connection->ok_pending = 0; 1021 hfp_connection->command = HFP_CMD_NONE; 1022 hfp_connection->extended_audio_gateway_error = 0; 1023 hfp_emit_event(hfp_callback, HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR, hfp_connection->extended_audio_gateway_error_value); 1024 break; 1025 case HFP_CMD_ERROR: 1026 hfp_connection->ok_pending = 0; 1027 hfp_reset_context_flags(hfp_connection); 1028 hfp_connection->command = HFP_CMD_NONE; 1029 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 1); 1030 break; 1031 case HFP_CMD_OK: 1032 hfp_hf_switch_on_ok(hfp_connection); 1033 break; 1034 case HFP_CMD_RING: 1035 hfp_emit_simple_event(hfp_callback, HFP_SUBEVENT_RING); 1036 break; 1037 case HFP_CMD_TRANSFER_AG_INDICATOR_STATUS: 1038 for (i = 0; i < hfp_connection->ag_indicators_nr; i++){ 1039 if (hfp_connection->ag_indicators[i].status_changed) { 1040 if (strcmp(hfp_connection->ag_indicators[i].name, "callsetup") == 0){ 1041 hfp_callsetup_status = (hfp_callsetup_status_t) hfp_connection->ag_indicators[i].status; 1042 } else if (strcmp(hfp_connection->ag_indicators[i].name, "callheld") == 0){ 1043 hfp_callheld_status = (hfp_callheld_status_t) hfp_connection->ag_indicators[i].status; 1044 } else if (strcmp(hfp_connection->ag_indicators[i].name, "call") == 0){ 1045 hfp_call_status = (hfp_call_status_t) hfp_connection->ag_indicators[i].status; 1046 } 1047 hfp_connection->ag_indicators[i].status_changed = 0; 1048 hfp_emit_ag_indicator_event(hfp_callback, hfp_connection->ag_indicators[i]); 1049 break; 1050 } 1051 } 1052 break; 1053 default: 1054 break; 1055 } 1056 hfp_run_for_context(hfp_connection); 1057 } 1058 1059 static void hfp_run(void){ 1060 btstack_linked_list_iterator_t it; 1061 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1062 while (btstack_linked_list_iterator_has_next(&it)){ 1063 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1064 hfp_run_for_context(hfp_connection); 1065 } 1066 } 1067 1068 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1069 switch (packet_type){ 1070 case RFCOMM_DATA_PACKET: 1071 hfp_handle_rfcomm_event(packet_type, channel, packet, size); 1072 break; 1073 case HCI_EVENT_PACKET: 1074 hfp_handle_hci_event(packet_type, channel, packet, size); 1075 default: 1076 break; 1077 } 1078 hfp_run(); 1079 } 1080 1081 void hfp_hf_init(uint16_t rfcomm_channel_nr){ 1082 // register for HCI events 1083 hci_event_callback_registration.callback = &packet_handler; 1084 hci_add_event_handler(&hci_event_callback_registration); 1085 1086 rfcomm_register_service(packet_handler, rfcomm_channel_nr, 0xffff); 1087 1088 hfp_set_packet_handler_for_rfcomm_connections(&packet_handler); 1089 1090 hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 1091 hfp_codecs_nr = 0; 1092 hfp_indicators_nr = 0; 1093 hfp_hf_speaker_gain = 9; 1094 hfp_hf_microphone_gain = 9; 1095 } 1096 1097 void hfp_hf_init_codecs(int codecs_nr, uint8_t * codecs){ 1098 if (codecs_nr > HFP_MAX_NUM_CODECS){ 1099 log_error("hfp_hf_init_codecs: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS); 1100 return; 1101 } 1102 1103 hfp_codecs_nr = codecs_nr; 1104 int i; 1105 for (i=0; i<codecs_nr; i++){ 1106 hfp_codecs[i] = codecs[i]; 1107 } 1108 1109 char buffer[30]; 1110 int offset = join(buffer, sizeof(buffer), hfp_codecs, hfp_codecs_nr); 1111 buffer[offset] = 0; 1112 btstack_linked_list_iterator_t it; 1113 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1114 while (btstack_linked_list_iterator_has_next(&it)){ 1115 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1116 if (! hfp_connection) continue; 1117 hfp_connection->command = HFP_CMD_AVAILABLE_CODECS; 1118 hfp_run_for_context(hfp_connection); 1119 } 1120 } 1121 1122 void hfp_hf_init_supported_features(uint32_t supported_features){ 1123 hfp_supported_features = supported_features; 1124 } 1125 1126 void hfp_hf_init_hf_indicators(int indicators_nr, uint16_t * indicators){ 1127 hfp_indicators_nr = indicators_nr; 1128 int i; 1129 for (i = 0; i < hfp_indicators_nr ; i++){ 1130 hfp_indicators[i] = indicators[i]; 1131 } 1132 } 1133 1134 void hfp_hf_establish_service_level_connection(bd_addr_t bd_addr){ 1135 hfp_establish_service_level_connection(bd_addr, SDP_HandsfreeAudioGateway); 1136 } 1137 1138 void hfp_hf_release_service_level_connection(bd_addr_t bd_addr){ 1139 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1140 hfp_release_service_level_connection(hfp_connection); 1141 hfp_run_for_context(hfp_connection); 1142 } 1143 1144 static void hfp_hf_set_status_update_for_all_ag_indicators(bd_addr_t bd_addr, uint8_t enable){ 1145 hfp_hf_establish_service_level_connection(bd_addr); 1146 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1147 if (!hfp_connection){ 1148 log_error("HFP HF: hfp_connection doesn't exist."); 1149 return; 1150 } 1151 hfp_connection->enable_status_update_for_ag_indicators = enable; 1152 hfp_run_for_context(hfp_connection); 1153 } 1154 1155 void hfp_hf_enable_status_update_for_all_ag_indicators(bd_addr_t bd_addr){ 1156 hfp_hf_set_status_update_for_all_ag_indicators(bd_addr, 1); 1157 } 1158 1159 void hfp_hf_disable_status_update_for_all_ag_indicators(bd_addr_t bd_addr){ 1160 hfp_hf_set_status_update_for_all_ag_indicators(bd_addr, 0); 1161 } 1162 1163 // TODO: returned ERROR - wrong format 1164 void hfp_hf_set_status_update_for_individual_ag_indicators(bd_addr_t bd_addr, uint32_t indicators_status_bitmap){ 1165 hfp_hf_establish_service_level_connection(bd_addr); 1166 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1167 if (!hfp_connection){ 1168 log_error("HFP HF: hfp_connection doesn't exist."); 1169 return; 1170 } 1171 hfp_connection->change_status_update_for_individual_ag_indicators = 1; 1172 hfp_connection->ag_indicators_status_update_bitmap = indicators_status_bitmap; 1173 hfp_run_for_context(hfp_connection); 1174 } 1175 1176 void hfp_hf_query_operator_selection(bd_addr_t bd_addr){ 1177 hfp_hf_establish_service_level_connection(bd_addr); 1178 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1179 if (!hfp_connection){ 1180 log_error("HFP HF: hfp_connection doesn't exist."); 1181 return; 1182 } 1183 switch (hfp_connection->hf_query_operator_state){ 1184 case HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET: 1185 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SET_FORMAT; 1186 break; 1187 case HFP_HF_QUERY_OPERATOR_FORMAT_SET: 1188 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 1189 break; 1190 default: 1191 break; 1192 } 1193 hfp_run_for_context(hfp_connection); 1194 } 1195 1196 static void hfp_hf_set_report_extended_audio_gateway_error_result_code(bd_addr_t bd_addr, uint8_t enable){ 1197 hfp_hf_establish_service_level_connection(bd_addr); 1198 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1199 if (!hfp_connection){ 1200 log_error("HFP HF: hfp_connection doesn't exist."); 1201 return; 1202 } 1203 hfp_connection->enable_extended_audio_gateway_error_report = enable; 1204 hfp_run_for_context(hfp_connection); 1205 } 1206 1207 1208 void hfp_hf_enable_report_extended_audio_gateway_error_result_code(bd_addr_t bd_addr){ 1209 hfp_hf_set_report_extended_audio_gateway_error_result_code(bd_addr, 1); 1210 } 1211 1212 void hfp_hf_disable_report_extended_audio_gateway_error_result_code(bd_addr_t bd_addr){ 1213 hfp_hf_set_report_extended_audio_gateway_error_result_code(bd_addr, 0); 1214 } 1215 1216 1217 void hfp_hf_establish_audio_connection(bd_addr_t bd_addr){ 1218 hfp_hf_establish_service_level_connection(bd_addr); 1219 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1220 hfp_connection->establish_audio_connection = 0; 1221 1222 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return; 1223 if (hfp_connection->state >= HFP_W2_DISCONNECT_SCO) return; 1224 1225 if (!has_codec_negotiation_feature(hfp_connection)){ 1226 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using defaults"); 1227 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 1228 hfp_connection->establish_audio_connection = 1; 1229 } else { 1230 switch (hfp_connection->codecs_state){ 1231 case HFP_CODECS_W4_AG_COMMON_CODEC: 1232 break; 1233 default: 1234 hfp_connection->command = HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP; 1235 break; 1236 } 1237 } 1238 1239 hfp_run_for_context(hfp_connection); 1240 } 1241 1242 void hfp_hf_release_audio_connection(bd_addr_t bd_addr){ 1243 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1244 hfp_release_audio_connection(hfp_connection); 1245 hfp_run_for_context(hfp_connection); 1246 } 1247 1248 void hfp_hf_answer_incoming_call(bd_addr_t bd_addr){ 1249 hfp_hf_establish_service_level_connection(bd_addr); 1250 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1251 1252 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1253 hfp_connection->hf_answer_incoming_call = 1; 1254 hfp_run_for_context(hfp_connection); 1255 } else { 1256 log_error("HFP HF: answering incoming call with wrong callsetup status %u", hfp_callsetup_status); 1257 } 1258 } 1259 1260 void hfp_hf_terminate_call(bd_addr_t bd_addr){ 1261 hfp_hf_establish_service_level_connection(bd_addr); 1262 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1263 1264 hfp_connection->hf_send_chup = 1; 1265 hfp_run_for_context(hfp_connection); 1266 } 1267 1268 void hfp_hf_reject_incoming_call(bd_addr_t bd_addr){ 1269 hfp_hf_establish_service_level_connection(bd_addr); 1270 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1271 1272 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1273 hfp_connection->hf_send_chup = 1; 1274 hfp_run_for_context(hfp_connection); 1275 } 1276 } 1277 1278 void hfp_hf_user_busy(bd_addr_t addr){ 1279 hfp_hf_establish_service_level_connection(addr); 1280 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1281 1282 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1283 hfp_connection->hf_send_chld_0 = 1; 1284 hfp_run_for_context(hfp_connection); 1285 } 1286 } 1287 1288 void hfp_hf_end_active_and_accept_other(bd_addr_t addr){ 1289 hfp_hf_establish_service_level_connection(addr); 1290 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1291 1292 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1293 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1294 hfp_connection->hf_send_chld_1 = 1; 1295 hfp_run_for_context(hfp_connection); 1296 } 1297 } 1298 1299 void hfp_hf_swap_calls(bd_addr_t addr){ 1300 hfp_hf_establish_service_level_connection(addr); 1301 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1302 1303 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1304 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1305 hfp_connection->hf_send_chld_2 = 1; 1306 hfp_run_for_context(hfp_connection); 1307 } 1308 } 1309 1310 void hfp_hf_join_held_call(bd_addr_t addr){ 1311 hfp_hf_establish_service_level_connection(addr); 1312 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1313 1314 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1315 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1316 hfp_connection->hf_send_chld_3 = 1; 1317 hfp_run_for_context(hfp_connection); 1318 } 1319 } 1320 1321 void hfp_hf_connect_calls(bd_addr_t addr){ 1322 hfp_hf_establish_service_level_connection(addr); 1323 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1324 1325 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1326 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1327 hfp_connection->hf_send_chld_4 = 1; 1328 hfp_run_for_context(hfp_connection); 1329 } 1330 } 1331 1332 void hfp_hf_release_call_with_index(bd_addr_t addr, int index){ 1333 hfp_hf_establish_service_level_connection(addr); 1334 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1335 1336 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1337 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1338 hfp_connection->hf_send_chld_x = 1; 1339 hfp_connection->hf_send_chld_x_index = 10 + index; 1340 hfp_run_for_context(hfp_connection); 1341 } 1342 } 1343 1344 void hfp_hf_private_consultation_with_call(bd_addr_t addr, int index){ 1345 hfp_hf_establish_service_level_connection(addr); 1346 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1347 1348 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1349 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1350 hfp_connection->hf_send_chld_x = 1; 1351 hfp_connection->hf_send_chld_x_index = 20 + index; 1352 hfp_run_for_context(hfp_connection); 1353 } 1354 } 1355 1356 void hfp_hf_dial_number(bd_addr_t bd_addr, char * number){ 1357 hfp_hf_establish_service_level_connection(bd_addr); 1358 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1359 1360 hfp_connection->hf_initiate_outgoing_call = 1; 1361 snprintf(phone_number, sizeof(phone_number), "%s", number); 1362 hfp_run_for_context(hfp_connection); 1363 } 1364 1365 void hfp_hf_dial_memory(bd_addr_t bd_addr, int memory_id){ 1366 hfp_hf_establish_service_level_connection(bd_addr); 1367 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1368 1369 hfp_connection->hf_initiate_memory_dialing = 1; 1370 hfp_connection->memory_id = memory_id; 1371 1372 hfp_run_for_context(hfp_connection); 1373 } 1374 1375 void hfp_hf_redial_last_number(bd_addr_t bd_addr){ 1376 hfp_hf_establish_service_level_connection(bd_addr); 1377 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1378 1379 hfp_connection->hf_initiate_redial_last_number = 1; 1380 hfp_run_for_context(hfp_connection); 1381 } 1382 1383 void hfp_hf_activate_call_waiting_notification(bd_addr_t bd_addr){ 1384 hfp_hf_establish_service_level_connection(bd_addr); 1385 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1386 1387 hfp_connection->hf_activate_call_waiting_notification = 1; 1388 hfp_run_for_context(hfp_connection); 1389 } 1390 1391 1392 void hfp_hf_deactivate_call_waiting_notification(bd_addr_t bd_addr){ 1393 hfp_hf_establish_service_level_connection(bd_addr); 1394 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1395 1396 hfp_connection->hf_deactivate_call_waiting_notification = 1; 1397 hfp_run_for_context(hfp_connection); 1398 } 1399 1400 1401 void hfp_hf_activate_calling_line_notification(bd_addr_t bd_addr){ 1402 hfp_hf_establish_service_level_connection(bd_addr); 1403 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1404 1405 hfp_connection->hf_activate_calling_line_notification = 1; 1406 hfp_run_for_context(hfp_connection); 1407 } 1408 1409 void hfp_hf_deactivate_calling_line_notification(bd_addr_t bd_addr){ 1410 hfp_hf_establish_service_level_connection(bd_addr); 1411 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1412 1413 hfp_connection->hf_deactivate_calling_line_notification = 1; 1414 hfp_run_for_context(hfp_connection); 1415 } 1416 1417 1418 void hfp_hf_activate_echo_canceling_and_noise_reduction(bd_addr_t bd_addr){ 1419 hfp_hf_establish_service_level_connection(bd_addr); 1420 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1421 1422 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 1; 1423 hfp_run_for_context(hfp_connection); 1424 } 1425 1426 void hfp_hf_deactivate_echo_canceling_and_noise_reduction(bd_addr_t bd_addr){ 1427 hfp_hf_establish_service_level_connection(bd_addr); 1428 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1429 1430 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 1; 1431 hfp_run_for_context(hfp_connection); 1432 } 1433 1434 void hfp_hf_activate_voice_recognition_notification(bd_addr_t bd_addr){ 1435 hfp_hf_establish_service_level_connection(bd_addr); 1436 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1437 1438 hfp_connection->hf_activate_voice_recognition_notification = 1; 1439 hfp_run_for_context(hfp_connection); 1440 } 1441 1442 void hfp_hf_deactivate_voice_recognition_notification(bd_addr_t bd_addr){ 1443 hfp_hf_establish_service_level_connection(bd_addr); 1444 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1445 1446 hfp_connection->hf_deactivate_voice_recognition_notification = 1; 1447 hfp_run_for_context(hfp_connection); 1448 } 1449 1450 void hfp_hf_set_microphone_gain(bd_addr_t bd_addr, int gain){ 1451 hfp_hf_establish_service_level_connection(bd_addr); 1452 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1453 if (hfp_connection->microphone_gain == gain) return; 1454 if (gain < 0 || gain > 15){ 1455 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1456 return; 1457 } 1458 hfp_connection->microphone_gain = gain; 1459 hfp_connection->send_microphone_gain = 1; 1460 hfp_run_for_context(hfp_connection); 1461 } 1462 1463 void hfp_hf_set_speaker_gain(bd_addr_t bd_addr, int gain){ 1464 hfp_hf_establish_service_level_connection(bd_addr); 1465 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(bd_addr); 1466 if (hfp_connection->speaker_gain == gain) return; 1467 if (gain < 0 || gain > 15){ 1468 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1469 return; 1470 } 1471 hfp_connection->speaker_gain = gain; 1472 hfp_connection->send_speaker_gain = 1; 1473 hfp_run_for_context(hfp_connection); 1474 } 1475 1476 void hfp_hf_send_dtmf_code(bd_addr_t addr, char code){ 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_dtmf_code = code; 1480 hfp_run_for_context(hfp_connection); 1481 } 1482 1483 void hfp_hf_request_phone_number_for_voice_tag(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_binp = 1; 1487 hfp_run_for_context(hfp_connection); 1488 } 1489 1490 void hfp_hf_query_current_call_status(bd_addr_t addr){ 1491 hfp_hf_establish_service_level_connection(addr); 1492 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1493 hfp_connection->hf_send_clcc = 1; 1494 hfp_run_for_context(hfp_connection); 1495 } 1496 1497 1498 void hfp_hf_rrh_query_status(bd_addr_t addr){ 1499 hfp_hf_establish_service_level_connection(addr); 1500 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1501 hfp_connection->hf_send_rrh = 1; 1502 hfp_connection->hf_send_rrh_command = '?'; 1503 hfp_run_for_context(hfp_connection); 1504 } 1505 1506 void hfp_hf_rrh_hold_call(bd_addr_t addr){ 1507 hfp_hf_establish_service_level_connection(addr); 1508 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1509 hfp_connection->hf_send_rrh = 1; 1510 hfp_connection->hf_send_rrh_command = '0'; 1511 hfp_run_for_context(hfp_connection); 1512 } 1513 1514 void hfp_hf_rrh_accept_held_call(bd_addr_t addr){ 1515 hfp_hf_establish_service_level_connection(addr); 1516 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1517 hfp_connection->hf_send_rrh = 1; 1518 hfp_connection->hf_send_rrh_command = '1'; 1519 hfp_run_for_context(hfp_connection); 1520 } 1521 1522 void hfp_hf_rrh_reject_held_call(bd_addr_t addr){ 1523 hfp_hf_establish_service_level_connection(addr); 1524 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1525 hfp_connection->hf_send_rrh = 1; 1526 hfp_connection->hf_send_rrh_command = '2'; 1527 hfp_run_for_context(hfp_connection); 1528 } 1529 1530 void hfp_hf_query_subscriber_number(bd_addr_t addr){ 1531 hfp_hf_establish_service_level_connection(addr); 1532 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1533 hfp_connection->hf_send_cnum = 1; 1534 hfp_run_for_context(hfp_connection); 1535 } 1536 1537 void hfp_hf_set_hf_indicator(bd_addr_t addr, int assigned_number, int value){ 1538 hfp_hf_establish_service_level_connection(addr); 1539 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_bd_addr(addr); 1540 // find index for assigned number 1541 int i; 1542 for (i = 0; i < hfp_indicators_nr ; i++){ 1543 if (hfp_indicators[i] == assigned_number){ 1544 // set value 1545 hfp_indicators_value[i] = value; 1546 // mark for update 1547 if (hfp_connection->state > HFP_LIST_GENERIC_STATUS_INDICATORS){ 1548 hfp_connection->generic_status_update_bitmap |= (1<<i); 1549 // send update 1550 hfp_run_for_context(hfp_connection); 1551 } 1552 return; 1553 } 1554 } 1555 } 1556 1557