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 #define __BTSTACK_FILE__ "hfp_hf.c" 39 40 // ***************************************************************************** 41 // 42 // HFP Hands-Free (HF) unit 43 // 44 // ***************************************************************************** 45 46 #include "btstack_config.h" 47 48 #include <stdint.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 53 #include "bluetooth_sdp.h" 54 #include "btstack_debug.h" 55 #include "btstack_memory.h" 56 #include "btstack_run_loop.h" 57 #include "classic/core.h" 58 #include "classic/hfp.h" 59 #include "classic/hfp_hf.h" 60 #include "classic/sdp_client_rfcomm.h" 61 #include "classic/sdp_server.h" 62 #include "classic/sdp_util.h" 63 #include "hci.h" 64 #include "hci_cmd.h" 65 #include "hci_dump.h" 66 #include "l2cap.h" 67 68 static const char default_hfp_hf_service_name[] = "Hands-Free unit"; 69 static uint16_t hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 70 static uint8_t hfp_codecs_nr = 0; 71 static uint8_t hfp_codecs[HFP_MAX_NUM_CODECS]; 72 73 static uint8_t hfp_indicators_nr = 0; 74 static uint8_t hfp_indicators[HFP_MAX_NUM_HF_INDICATORS]; 75 static uint32_t hfp_indicators_value[HFP_MAX_NUM_HF_INDICATORS]; 76 77 static uint8_t hfp_hf_speaker_gain = 9; 78 static uint8_t hfp_hf_microphone_gain = 9; 79 80 static btstack_packet_handler_t hfp_callback; 81 82 static hfp_call_status_t hfp_call_status; 83 static hfp_callsetup_status_t hfp_callsetup_status; 84 static hfp_callheld_status_t hfp_callheld_status; 85 86 static char phone_number[25]; 87 88 static btstack_packet_callback_registration_t hci_event_callback_registration; 89 90 void hfp_hf_register_packet_handler(btstack_packet_handler_t callback){ 91 hfp_callback = callback; 92 if (callback == NULL){ 93 log_error("hfp_hf_register_packet_handler called with NULL callback"); 94 return; 95 } 96 hfp_callback = callback; 97 hfp_set_callback(callback); 98 } 99 100 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){ 101 if (!callback) return; 102 uint8_t event[31]; 103 event[0] = HCI_EVENT_HFP_META; 104 event[1] = sizeof(event) - 2; 105 event[2] = event_subtype; 106 event[3] = status; 107 event[4] = bnip_type; 108 int size = (strlen(bnip_number) < sizeof(event) - 6) ? (int) strlen(bnip_number) : sizeof(event) - 6; 109 strncpy((char*)&event[5], bnip_number, size); 110 event[5 + size] = 0; 111 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 112 } 113 114 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){ 115 if (!callback) return; 116 uint8_t event[30]; 117 event[0] = HCI_EVENT_HFP_META; 118 event[1] = sizeof(event) - 2; 119 event[2] = event_subtype; 120 event[3] = bnip_type; 121 int size = (strlen(bnip_number) < sizeof(event) - 5) ? (int) strlen(bnip_number) : sizeof(event) - 5; 122 strncpy((char*)&event[4], bnip_number, size); 123 event[4 + size] = 0; 124 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 125 } 126 127 static void hfp_hf_emit_enhanced_call_status(btstack_packet_handler_t callback, uint8_t clcc_idx, uint8_t clcc_dir, 128 uint8_t clcc_status, uint8_t clcc_mpty, uint8_t bnip_type, const char * bnip_number){ 129 if (!callback) return; 130 uint8_t event[35]; 131 event[0] = HCI_EVENT_HFP_META; 132 event[1] = sizeof(event) - 2; 133 event[2] = HFP_SUBEVENT_ENHANCED_CALL_STATUS; 134 event[3] = clcc_idx; 135 event[4] = clcc_dir; 136 event[6] = clcc_status; 137 event[7] = clcc_mpty; 138 event[8] = bnip_type; 139 int size = (strlen(bnip_number) < sizeof(event) - 10) ? (int) strlen(bnip_number) : sizeof(event) - 10; 140 strncpy((char*)&event[9], bnip_number, size); 141 event[9 + size] = 0; 142 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 143 } 144 145 static int has_codec_negotiation_feature(hfp_connection_t * hfp_connection){ 146 int hf = get_bit(hfp_supported_features, HFP_HFSF_CODEC_NEGOTIATION); 147 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_CODEC_NEGOTIATION); 148 return hf && ag; 149 } 150 151 static int has_call_waiting_and_3way_calling_feature(hfp_connection_t * hfp_connection){ 152 int hf = get_bit(hfp_supported_features, HFP_HFSF_THREE_WAY_CALLING); 153 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_THREE_WAY_CALLING); 154 return hf && ag; 155 } 156 157 158 static int has_hf_indicators_feature(hfp_connection_t * hfp_connection){ 159 int hf = get_bit(hfp_supported_features, HFP_HFSF_HF_INDICATORS); 160 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_HF_INDICATORS); 161 return hf && ag; 162 } 163 164 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 165 166 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, int wide_band_speech){ 167 if (!name){ 168 name = default_hfp_hf_service_name; 169 } 170 hfp_create_sdp_record(service, service_record_handle, BLUETOOTH_SERVICE_CLASS_HANDSFREE, rfcomm_channel_nr, name); 171 172 // Construct SupportedFeatures for SDP bitmap: 173 // 174 // "The values of the “SupportedFeatures” bitmap given in Table 5.4 shall be the same as the values 175 // of the Bits 0 to 4 of the unsolicited result code +BRSF" 176 // 177 uint16_t sdp_features = supported_features & 0x1f; 178 if (supported_features & wide_band_speech){ 179 sdp_features |= 1 << 5; // Wide band speech bit 180 } 181 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); // Hands-Free Profile - SupportedFeatures 182 de_add_number(service, DE_UINT, DE_SIZE_16, sdp_features); 183 } 184 185 static int hfp_hf_cmd_exchange_supported_features(uint16_t cid){ 186 char buffer[20]; 187 sprintf(buffer, "AT%s=%d\r\n", HFP_SUPPORTED_FEATURES, hfp_supported_features); 188 // printf("exchange_supported_features %s\n", buffer); 189 return send_str_over_rfcomm(cid, buffer); 190 } 191 192 static int hfp_hf_cmd_notify_on_codecs(uint16_t cid){ 193 char buffer[30]; 194 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_AVAILABLE_CODECS); 195 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_codecs, hfp_codecs_nr); 196 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 197 buffer[offset] = 0; 198 return send_str_over_rfcomm(cid, buffer); 199 } 200 201 static int hfp_hf_cmd_retrieve_indicators(uint16_t cid){ 202 char buffer[20]; 203 sprintf(buffer, "AT%s=?\r\n", HFP_INDICATOR); 204 // printf("retrieve_indicators %s\n", buffer); 205 return send_str_over_rfcomm(cid, buffer); 206 } 207 208 static int hfp_hf_cmd_retrieve_indicators_status(uint16_t cid){ 209 char buffer[20]; 210 sprintf(buffer, "AT%s?\r\n", HFP_INDICATOR); 211 // printf("retrieve_indicators_status %s\n", buffer); 212 return send_str_over_rfcomm(cid, buffer); 213 } 214 215 static int hfp_hf_cmd_activate_status_update_for_all_ag_indicators(uint16_t cid, uint8_t activate){ 216 char buffer[20]; 217 sprintf(buffer, "AT%s=3,0,0,%d\r\n", HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS, activate); 218 // printf("toggle_indicator_status_update %s\n", buffer); 219 return send_str_over_rfcomm(cid, buffer); 220 } 221 222 static int hfp_hf_cmd_activate_status_update_for_ag_indicator(uint16_t cid, uint32_t indicators_status, int indicators_nr){ 223 char buffer[50]; 224 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS); 225 offset += join_bitmap(buffer+offset, sizeof(buffer)-offset, indicators_status, indicators_nr); 226 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 227 buffer[offset] = 0; 228 return send_str_over_rfcomm(cid, buffer); 229 } 230 231 static int hfp_hf_cmd_retrieve_can_hold_call(uint16_t cid){ 232 char buffer[20]; 233 sprintf(buffer, "AT%s=?\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES); 234 // printf("retrieve_can_hold_call %s\n", buffer); 235 return send_str_over_rfcomm(cid, buffer); 236 } 237 238 static int hfp_hf_cmd_list_supported_generic_status_indicators(uint16_t cid){ 239 char buffer[30]; 240 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_GENERIC_STATUS_INDICATOR); 241 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_indicators, hfp_indicators_nr); 242 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 243 buffer[offset] = 0; 244 return send_str_over_rfcomm(cid, buffer); 245 } 246 247 static int hfp_hf_cmd_retrieve_supported_generic_status_indicators(uint16_t cid){ 248 char buffer[20]; 249 sprintf(buffer, "AT%s=?\r\n", HFP_GENERIC_STATUS_INDICATOR); 250 // printf("retrieve_supported_generic_status_indicators %s\n", buffer); 251 return send_str_over_rfcomm(cid, buffer); 252 } 253 254 static int hfp_hf_cmd_list_initital_supported_generic_status_indicators(uint16_t cid){ 255 char buffer[20]; 256 sprintf(buffer, "AT%s?\r\n", HFP_GENERIC_STATUS_INDICATOR); 257 // printf("list_initital_supported_generic_status_indicators %s\n", buffer); 258 return send_str_over_rfcomm(cid, buffer); 259 } 260 261 static int hfp_hf_cmd_query_operator_name_format(uint16_t cid){ 262 char buffer[20]; 263 sprintf(buffer, "AT%s=3,0\r\n", HFP_QUERY_OPERATOR_SELECTION); 264 return send_str_over_rfcomm(cid, buffer); 265 } 266 267 static int hfp_hf_cmd_query_operator_name(uint16_t cid){ 268 char buffer[20]; 269 sprintf(buffer, "AT%s?\r\n", HFP_QUERY_OPERATOR_SELECTION); 270 return send_str_over_rfcomm(cid, buffer); 271 } 272 273 static int hfp_hf_cmd_enable_extended_audio_gateway_error_report(uint16_t cid, uint8_t enable){ 274 char buffer[20]; 275 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR, enable); 276 return send_str_over_rfcomm(cid, buffer); 277 } 278 279 static int hfp_hf_cmd_trigger_codec_connection_setup(uint16_t cid){ 280 char buffer[20]; 281 sprintf(buffer, "AT%s\r\n", HFP_TRIGGER_CODEC_CONNECTION_SETUP); 282 return send_str_over_rfcomm(cid, buffer); 283 } 284 285 static int hfp_hf_cmd_confirm_codec(uint16_t cid, uint8_t codec){ 286 char buffer[20]; 287 sprintf(buffer, "AT%s=%d\r\n", HFP_CONFIRM_COMMON_CODEC, codec); 288 return send_str_over_rfcomm(cid, buffer); 289 } 290 291 static int hfp_hf_cmd_ata(uint16_t cid){ 292 char buffer[10]; 293 sprintf(buffer, "%s\r\n", HFP_CALL_ANSWERED); 294 return send_str_over_rfcomm(cid, buffer); 295 } 296 297 static int hfp_hf_set_microphone_gain_cmd(uint16_t cid, int gain){ 298 char buffer[40]; 299 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_MICROPHONE_GAIN, gain); 300 return send_str_over_rfcomm(cid, buffer); 301 } 302 303 static int hfp_hf_set_speaker_gain_cmd(uint16_t cid, int gain){ 304 char buffer[40]; 305 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_SPEAKER_GAIN, gain); 306 return send_str_over_rfcomm(cid, buffer); 307 } 308 309 static int hfp_hf_set_calling_line_notification_cmd(uint16_t cid, uint8_t activate){ 310 char buffer[40]; 311 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CLIP, activate); 312 return send_str_over_rfcomm(cid, buffer); 313 } 314 315 static int hfp_hf_set_echo_canceling_and_noise_reduction_cmd(uint16_t cid, uint8_t activate){ 316 char buffer[40]; 317 sprintf(buffer, "AT%s=%d\r\n", HFP_TURN_OFF_EC_AND_NR, activate); 318 return send_str_over_rfcomm(cid, buffer); 319 } 320 321 static int hfp_hf_set_voice_recognition_notification_cmd(uint16_t cid, uint8_t activate){ 322 char buffer[40]; 323 sprintf(buffer, "AT%s=%d\r\n", HFP_ACTIVATE_VOICE_RECOGNITION, activate); 324 return send_str_over_rfcomm(cid, buffer); 325 } 326 327 static int hfp_hf_set_call_waiting_notification_cmd(uint16_t cid, uint8_t activate){ 328 char buffer[40]; 329 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CALL_WAITING_NOTIFICATION, activate); 330 return send_str_over_rfcomm(cid, buffer); 331 } 332 333 static int hfp_hf_initiate_outgoing_call_cmd(uint16_t cid){ 334 char buffer[40]; 335 sprintf(buffer, "%s%s;\r\n", HFP_CALL_PHONE_NUMBER, phone_number); 336 return send_str_over_rfcomm(cid, buffer); 337 } 338 339 static int hfp_hf_send_memory_dial_cmd(uint16_t cid, int memory_id){ 340 char buffer[40]; 341 sprintf(buffer, "%s>%d;\r\n", HFP_CALL_PHONE_NUMBER, memory_id); 342 return send_str_over_rfcomm(cid, buffer); 343 } 344 345 static int hfp_hf_send_redial_last_number_cmd(uint16_t cid){ 346 char buffer[20]; 347 sprintf(buffer, "AT%s\r\n", HFP_REDIAL_LAST_NUMBER); 348 return send_str_over_rfcomm(cid, buffer); 349 } 350 351 static int hfp_hf_send_chup(uint16_t cid){ 352 char buffer[20]; 353 sprintf(buffer, "AT%s\r\n", HFP_HANG_UP_CALL); 354 return send_str_over_rfcomm(cid, buffer); 355 } 356 357 static int hfp_hf_send_chld(uint16_t cid, unsigned int number){ 358 char buffer[20]; 359 sprintf(buffer, "AT%s=%u\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, number); 360 return send_str_over_rfcomm(cid, buffer); 361 } 362 363 static int hfp_hf_send_dtmf(uint16_t cid, char code){ 364 char buffer[20]; 365 sprintf(buffer, "AT%s=%c\r\n", HFP_TRANSMIT_DTMF_CODES, code); 366 return send_str_over_rfcomm(cid, buffer); 367 } 368 369 static int hfp_hf_send_binp(uint16_t cid){ 370 char buffer[20]; 371 sprintf(buffer, "AT%s=1\r\n", HFP_PHONE_NUMBER_FOR_VOICE_TAG); 372 return send_str_over_rfcomm(cid, buffer); 373 } 374 375 static int hfp_hf_send_clcc(uint16_t cid){ 376 char buffer[20]; 377 sprintf(buffer, "AT%s\r\n", HFP_LIST_CURRENT_CALLS); 378 return send_str_over_rfcomm(cid, buffer); 379 } 380 381 static void hfp_emit_ag_indicator_event(btstack_packet_handler_t callback, hfp_ag_indicator_t indicator){ 382 if (!callback) return; 383 uint8_t event[5+HFP_MAX_INDICATOR_DESC_SIZE+1]; 384 event[0] = HCI_EVENT_HFP_META; 385 event[1] = sizeof(event) - 2; 386 event[2] = HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED; 387 event[3] = indicator.index; 388 event[4] = indicator.status; 389 strncpy((char*)&event[5], indicator.name, HFP_MAX_INDICATOR_DESC_SIZE); 390 event[5+HFP_MAX_INDICATOR_DESC_SIZE] = 0; 391 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 392 } 393 394 static void hfp_emit_network_operator_event(btstack_packet_handler_t callback, hfp_network_opearator_t network_operator){ 395 if (!callback) return; 396 uint8_t event[24]; 397 event[0] = HCI_EVENT_HFP_META; 398 event[1] = sizeof(event) - 2; 399 event[2] = HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED; 400 event[3] = network_operator.mode; 401 event[4] = network_operator.format; 402 strcpy((char*)&event[5], network_operator.name); 403 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 404 } 405 406 static int hfp_hf_run_for_context_service_level_connection(hfp_connection_t * hfp_connection){ 407 if (hfp_connection->state >= HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 408 if (hfp_connection->ok_pending) return 0; 409 int done = 1; 410 411 switch (hfp_connection->state){ 412 case HFP_EXCHANGE_SUPPORTED_FEATURES: 413 hfp_hf_drop_mSBC_if_eSCO_not_supported(hfp_codecs, &hfp_codecs_nr); 414 hfp_connection->state = HFP_W4_EXCHANGE_SUPPORTED_FEATURES; 415 hfp_hf_cmd_exchange_supported_features(hfp_connection->rfcomm_cid); 416 break; 417 case HFP_NOTIFY_ON_CODECS: 418 hfp_connection->state = HFP_W4_NOTIFY_ON_CODECS; 419 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 420 break; 421 case HFP_RETRIEVE_INDICATORS: 422 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS; 423 hfp_hf_cmd_retrieve_indicators(hfp_connection->rfcomm_cid); 424 break; 425 case HFP_RETRIEVE_INDICATORS_STATUS: 426 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS_STATUS; 427 hfp_hf_cmd_retrieve_indicators_status(hfp_connection->rfcomm_cid); 428 break; 429 case HFP_ENABLE_INDICATORS_STATUS_UPDATE: 430 hfp_connection->state = HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE; 431 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, 1); 432 break; 433 case HFP_RETRIEVE_CAN_HOLD_CALL: 434 hfp_connection->state = HFP_W4_RETRIEVE_CAN_HOLD_CALL; 435 hfp_hf_cmd_retrieve_can_hold_call(hfp_connection->rfcomm_cid); 436 break; 437 case HFP_LIST_GENERIC_STATUS_INDICATORS: 438 hfp_connection->state = HFP_W4_LIST_GENERIC_STATUS_INDICATORS; 439 hfp_hf_cmd_list_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 440 break; 441 case HFP_RETRIEVE_GENERIC_STATUS_INDICATORS: 442 hfp_connection->state = HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS; 443 hfp_hf_cmd_retrieve_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 444 break; 445 case HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 446 hfp_connection->state = HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 447 hfp_hf_cmd_list_initital_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 448 break; 449 default: 450 done = 0; 451 break; 452 } 453 return done; 454 } 455 456 457 static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * hfp_connection){ 458 if (hfp_connection->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 459 if (hfp_connection->ok_pending) return 0; 460 461 int done = 0; 462 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 463 hfp_connection->ok_pending = 1; 464 done = 1; 465 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, hfp_connection->enable_status_update_for_ag_indicators); 466 return done; 467 }; 468 if (hfp_connection->change_status_update_for_individual_ag_indicators){ 469 hfp_connection->ok_pending = 1; 470 done = 1; 471 hfp_hf_cmd_activate_status_update_for_ag_indicator(hfp_connection->rfcomm_cid, 472 hfp_connection->ag_indicators_status_update_bitmap, 473 hfp_connection->ag_indicators_nr); 474 return done; 475 } 476 477 switch (hfp_connection->hf_query_operator_state){ 478 case HFP_HF_QUERY_OPERATOR_SET_FORMAT: 479 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK; 480 hfp_connection->ok_pending = 1; 481 hfp_hf_cmd_query_operator_name_format(hfp_connection->rfcomm_cid); 482 return 1; 483 case HFP_HF_QUERY_OPERATOR_SEND_QUERY: 484 hfp_connection->hf_query_operator_state = HPF_HF_QUERY_OPERATOR_W4_RESULT; 485 hfp_connection->ok_pending = 1; 486 hfp_hf_cmd_query_operator_name(hfp_connection->rfcomm_cid); 487 return 1; 488 default: 489 break; 490 } 491 492 if (hfp_connection->enable_extended_audio_gateway_error_report){ 493 hfp_connection->ok_pending = 1; 494 done = 1; 495 hfp_hf_cmd_enable_extended_audio_gateway_error_report(hfp_connection->rfcomm_cid, hfp_connection->enable_extended_audio_gateway_error_report); 496 return done; 497 } 498 499 return done; 500 } 501 502 static int codecs_exchange_state_machine(hfp_connection_t * hfp_connection){ 503 /* events ( == commands): 504 HFP_CMD_AVAILABLE_CODECS == received AT+BAC with list of codecs 505 HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 506 hf_trigger_codec_connection_setup == received BCC 507 ag_trigger_codec_connection_setup == received from AG to send BCS 508 HFP_CMD_HF_CONFIRMED_CODEC == received AT+BCS 509 */ 510 511 if (hfp_connection->ok_pending) return 0; 512 513 switch (hfp_connection->command){ 514 case HFP_CMD_AVAILABLE_CODECS: 515 if (hfp_connection->codecs_state == HFP_CODECS_W4_AG_COMMON_CODEC) return 0; 516 517 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 518 hfp_connection->ok_pending = 1; 519 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 520 return 1; 521 case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 522 hfp_connection->codec_confirmed = 0; 523 hfp_connection->suggested_codec = 0; 524 hfp_connection->negotiated_codec = 0; 525 526 hfp_connection->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE; 527 hfp_connection->ok_pending = 1; 528 hfp_hf_cmd_trigger_codec_connection_setup(hfp_connection->rfcomm_cid); 529 break; 530 531 case HFP_CMD_AG_SUGGESTED_CODEC:{ 532 if (hfp_supports_codec(hfp_connection->suggested_codec, hfp_codecs_nr, hfp_codecs)){ 533 hfp_connection->codec_confirmed = hfp_connection->suggested_codec; 534 hfp_connection->ok_pending = 1; 535 hfp_connection->codecs_state = HFP_CODECS_HF_CONFIRMED_CODEC; 536 hfp_connection->negotiated_codec = hfp_connection->suggested_codec; 537 log_info("hfp: codec confirmed: %s", hfp_connection->negotiated_codec == HFP_CODEC_MSBC ? "mSBC" : "CVSD"); 538 hfp_hf_cmd_confirm_codec(hfp_connection->rfcomm_cid, hfp_connection->codec_confirmed); 539 } else { 540 hfp_connection->codec_confirmed = 0; 541 hfp_connection->suggested_codec = 0; 542 hfp_connection->negotiated_codec = 0; 543 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 544 hfp_connection->ok_pending = 1; 545 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 546 547 } 548 break; 549 } 550 default: 551 break; 552 } 553 return 0; 554 } 555 556 static int hfp_hf_run_for_audio_connection(hfp_connection_t * hfp_connection){ 557 if (hfp_connection->state < HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED || 558 hfp_connection->state > HFP_W2_DISCONNECT_SCO) return 0; 559 560 561 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED && hfp_connection->release_audio_connection){ 562 hfp_connection->state = HFP_W4_SCO_DISCONNECTED; 563 hfp_connection->release_audio_connection = 0; 564 gap_disconnect(hfp_connection->sco_handle); 565 return 1; 566 } 567 568 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return 0; 569 570 // run codecs exchange 571 int done = codecs_exchange_state_machine(hfp_connection); 572 if (done) return 1; 573 574 return 0; 575 } 576 577 static int call_setup_state_machine(hfp_connection_t * hfp_connection){ 578 if (hfp_connection->hf_answer_incoming_call){ 579 hfp_hf_cmd_ata(hfp_connection->rfcomm_cid); 580 hfp_connection->hf_answer_incoming_call = 0; 581 return 1; 582 } 583 return 0; 584 } 585 586 static void hfp_run_for_context(hfp_connection_t * hfp_connection){ 587 if (!hfp_connection) return; 588 if (!hfp_connection->rfcomm_cid) return; 589 590 if (hfp_connection->hf_accept_sco && hci_can_send_command_packet_now()){ 591 592 hfp_connection->hf_accept_sco = 0; 593 594 // notify about codec selection if not done already 595 if (hfp_connection->negotiated_codec == 0){ 596 hfp_connection->negotiated_codec = HFP_CODEC_CVSD; 597 } 598 599 // remote supported feature eSCO is set if link type is eSCO 600 // eSCO: S4 - max latency == transmission interval = 0x000c == 12 ms, 601 uint16_t max_latency; 602 uint8_t retransmission_effort; 603 uint16_t packet_types; 604 605 if (hci_extended_sco_link_supported() && hci_remote_esco_supported(hfp_connection->acl_handle)){ 606 max_latency = 0x000c; 607 retransmission_effort = 0x02; 608 packet_types = 0x388; 609 } else { 610 max_latency = 0xffff; 611 retransmission_effort = 0xff; 612 packet_types = 0x003f; 613 } 614 615 uint16_t sco_voice_setting = hci_get_sco_voice_setting(); 616 if (hfp_connection->negotiated_codec == HFP_CODEC_MSBC){ 617 sco_voice_setting = 0x0043; // Transparent data 618 } 619 620 log_info("HFP: sending hci_accept_connection_request, sco_voice_setting 0x%02x", sco_voice_setting); 621 hci_send_cmd(&hci_accept_synchronous_connection, hfp_connection->remote_addr, 8000, 8000, max_latency, 622 sco_voice_setting, retransmission_effort, packet_types); 623 return; 624 } 625 626 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) return; 627 628 int done = hfp_hf_run_for_context_service_level_connection(hfp_connection); 629 if (!done){ 630 done = hfp_hf_run_for_context_service_level_connection_queries(hfp_connection); 631 } 632 if (!done){ 633 done = hfp_hf_run_for_audio_connection(hfp_connection); 634 } 635 if (!done){ 636 done = call_setup_state_machine(hfp_connection); 637 } 638 639 if (hfp_connection->send_microphone_gain){ 640 hfp_connection->send_microphone_gain = 0; 641 hfp_connection->ok_pending = 1; 642 hfp_hf_set_microphone_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->microphone_gain); 643 return; 644 } 645 646 if (hfp_connection->send_speaker_gain){ 647 hfp_connection->send_speaker_gain = 0; 648 hfp_connection->ok_pending = 1; 649 hfp_hf_set_speaker_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->speaker_gain); 650 return; 651 } 652 653 if (hfp_connection->hf_deactivate_calling_line_notification){ 654 hfp_connection->hf_deactivate_calling_line_notification = 0; 655 hfp_connection->ok_pending = 1; 656 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 0); 657 return; 658 } 659 660 if (hfp_connection->hf_activate_calling_line_notification){ 661 hfp_connection->hf_activate_calling_line_notification = 0; 662 hfp_connection->ok_pending = 1; 663 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 1); 664 return; 665 } 666 667 if (hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction){ 668 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 0; 669 hfp_connection->ok_pending = 1; 670 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 0); 671 return; 672 } 673 674 if (hfp_connection->hf_activate_echo_canceling_and_noise_reduction){ 675 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 0; 676 hfp_connection->ok_pending = 1; 677 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 1); 678 return; 679 } 680 681 if (hfp_connection->hf_deactivate_voice_recognition_notification){ 682 hfp_connection->hf_deactivate_voice_recognition_notification = 0; 683 hfp_connection->ok_pending = 1; 684 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 0); 685 return; 686 } 687 688 if (hfp_connection->hf_activate_voice_recognition_notification){ 689 hfp_connection->hf_activate_voice_recognition_notification = 0; 690 hfp_connection->ok_pending = 1; 691 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 1); 692 return; 693 } 694 695 696 if (hfp_connection->hf_deactivate_call_waiting_notification){ 697 hfp_connection->hf_deactivate_call_waiting_notification = 0; 698 hfp_connection->ok_pending = 1; 699 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 0); 700 return; 701 } 702 703 if (hfp_connection->hf_activate_call_waiting_notification){ 704 hfp_connection->hf_activate_call_waiting_notification = 0; 705 hfp_connection->ok_pending = 1; 706 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 1); 707 return; 708 } 709 710 if (hfp_connection->hf_initiate_outgoing_call){ 711 hfp_connection->hf_initiate_outgoing_call = 0; 712 hfp_connection->ok_pending = 1; 713 hfp_hf_initiate_outgoing_call_cmd(hfp_connection->rfcomm_cid); 714 return; 715 } 716 717 if (hfp_connection->hf_initiate_memory_dialing){ 718 hfp_connection->hf_initiate_memory_dialing = 0; 719 hfp_connection->ok_pending = 1; 720 hfp_hf_send_memory_dial_cmd(hfp_connection->rfcomm_cid, hfp_connection->memory_id); 721 return; 722 } 723 724 if (hfp_connection->hf_initiate_redial_last_number){ 725 hfp_connection->hf_initiate_redial_last_number = 0; 726 hfp_connection->ok_pending = 1; 727 hfp_hf_send_redial_last_number_cmd(hfp_connection->rfcomm_cid); 728 return; 729 } 730 731 if (hfp_connection->hf_send_chup){ 732 hfp_connection->hf_send_chup = 0; 733 hfp_connection->ok_pending = 1; 734 hfp_hf_send_chup(hfp_connection->rfcomm_cid); 735 return; 736 } 737 738 if (hfp_connection->hf_send_chld_0){ 739 hfp_connection->hf_send_chld_0 = 0; 740 hfp_connection->ok_pending = 1; 741 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 0); 742 return; 743 } 744 745 if (hfp_connection->hf_send_chld_1){ 746 hfp_connection->hf_send_chld_1 = 0; 747 hfp_connection->ok_pending = 1; 748 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 1); 749 return; 750 } 751 752 if (hfp_connection->hf_send_chld_2){ 753 hfp_connection->hf_send_chld_2 = 0; 754 hfp_connection->ok_pending = 1; 755 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 2); 756 return; 757 } 758 759 if (hfp_connection->hf_send_chld_3){ 760 hfp_connection->hf_send_chld_3 = 0; 761 hfp_connection->ok_pending = 1; 762 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 3); 763 return; 764 } 765 766 if (hfp_connection->hf_send_chld_4){ 767 hfp_connection->hf_send_chld_4 = 0; 768 hfp_connection->ok_pending = 1; 769 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 4); 770 return; 771 } 772 773 if (hfp_connection->hf_send_chld_x){ 774 hfp_connection->hf_send_chld_x = 0; 775 hfp_connection->ok_pending = 1; 776 hfp_hf_send_chld(hfp_connection->rfcomm_cid, hfp_connection->hf_send_chld_x_index); 777 return; 778 } 779 780 if (hfp_connection->hf_send_dtmf_code){ 781 char code = hfp_connection->hf_send_dtmf_code; 782 hfp_connection->hf_send_dtmf_code = 0; 783 hfp_connection->ok_pending = 1; 784 hfp_hf_send_dtmf(hfp_connection->rfcomm_cid, code); 785 return; 786 } 787 788 if (hfp_connection->hf_send_binp){ 789 hfp_connection->hf_send_binp = 0; 790 hfp_connection->ok_pending = 1; 791 hfp_hf_send_binp(hfp_connection->rfcomm_cid); 792 return; 793 } 794 795 if (hfp_connection->hf_send_clcc){ 796 hfp_connection->hf_send_clcc = 0; 797 hfp_connection->ok_pending = 1; 798 hfp_hf_send_clcc(hfp_connection->rfcomm_cid); 799 return; 800 } 801 802 if (hfp_connection->hf_send_rrh){ 803 hfp_connection->hf_send_rrh = 0; 804 char buffer[20]; 805 switch (hfp_connection->hf_send_rrh_command){ 806 case '?': 807 sprintf(buffer, "AT%s?\r\n", HFP_RESPONSE_AND_HOLD); 808 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 809 return; 810 case '0': 811 case '1': 812 case '2': 813 sprintf(buffer, "AT%s=%c\r\n", HFP_RESPONSE_AND_HOLD, hfp_connection->hf_send_rrh_command); 814 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 815 return; 816 default: 817 break; 818 } 819 return; 820 } 821 822 if (hfp_connection->hf_send_cnum){ 823 hfp_connection->hf_send_cnum = 0; 824 char buffer[20]; 825 sprintf(buffer, "AT%s\r\n", HFP_SUBSCRIBER_NUMBER_INFORMATION); 826 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 827 return; 828 } 829 830 // update HF indicators 831 if (hfp_connection->generic_status_update_bitmap){ 832 int i; 833 for (i=0;i<hfp_indicators_nr;i++){ 834 if (get_bit(hfp_connection->generic_status_update_bitmap, i)){ 835 if (hfp_connection->generic_status_indicators[i].state){ 836 hfp_connection->ok_pending = 1; 837 hfp_connection->generic_status_update_bitmap = store_bit(hfp_connection->generic_status_update_bitmap, i, 0); 838 char buffer[30]; 839 sprintf(buffer, "AT%s=%u,%u\r\n", HFP_TRANSFER_HF_INDICATOR_STATUS, hfp_indicators[i], (unsigned int) hfp_indicators_value[i]); 840 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 841 } else { 842 log_info("Not sending HF indicator %u as it is disabled", hfp_indicators[i]); 843 } 844 return; 845 } 846 } 847 } 848 849 if (done) return; 850 // deal with disconnect 851 switch (hfp_connection->state){ 852 case HFP_W2_DISCONNECT_RFCOMM: 853 hfp_connection->state = HFP_W4_RFCOMM_DISCONNECTED; 854 rfcomm_disconnect(hfp_connection->rfcomm_cid); 855 break; 856 857 default: 858 break; 859 } 860 } 861 862 static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){ 863 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED; 864 865 hfp_emit_slc_connection_event(hfp_callback, 0, hfp_connection->acl_handle, hfp_connection->remote_addr); 866 867 // restore volume settings 868 hfp_connection->speaker_gain = hfp_hf_speaker_gain; 869 hfp_connection->send_speaker_gain = 1; 870 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, hfp_hf_speaker_gain); 871 hfp_connection->microphone_gain = hfp_hf_microphone_gain; 872 hfp_connection->send_microphone_gain = 1; 873 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, hfp_hf_microphone_gain); 874 // enable all indicators 875 int i; 876 for (i=0;i<hfp_indicators_nr;i++){ 877 hfp_connection->generic_status_indicators[i].uuid = hfp_indicators[i]; 878 hfp_connection->generic_status_indicators[i].state = 1; 879 } 880 } 881 882 static void hfp_hf_switch_on_ok(hfp_connection_t *hfp_connection){ 883 hfp_connection->ok_pending = 0; 884 switch (hfp_connection->state){ 885 case HFP_W4_EXCHANGE_SUPPORTED_FEATURES: 886 if (has_codec_negotiation_feature(hfp_connection)){ 887 hfp_connection->state = HFP_NOTIFY_ON_CODECS; 888 break; 889 } 890 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 891 break; 892 893 case HFP_W4_NOTIFY_ON_CODECS: 894 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 895 break; 896 897 case HFP_W4_RETRIEVE_INDICATORS: 898 hfp_connection->state = HFP_RETRIEVE_INDICATORS_STATUS; 899 break; 900 901 case HFP_W4_RETRIEVE_INDICATORS_STATUS: 902 hfp_connection->state = HFP_ENABLE_INDICATORS_STATUS_UPDATE; 903 break; 904 905 case HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE: 906 if (has_call_waiting_and_3way_calling_feature(hfp_connection)){ 907 hfp_connection->state = HFP_RETRIEVE_CAN_HOLD_CALL; 908 break; 909 } 910 if (has_hf_indicators_feature(hfp_connection)){ 911 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 912 break; 913 } 914 hfp_ag_slc_established(hfp_connection); 915 break; 916 917 case HFP_W4_RETRIEVE_CAN_HOLD_CALL: 918 if (has_hf_indicators_feature(hfp_connection)){ 919 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 920 break; 921 } 922 hfp_ag_slc_established(hfp_connection); 923 break; 924 925 case HFP_W4_LIST_GENERIC_STATUS_INDICATORS: 926 hfp_connection->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS; 927 break; 928 929 case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS: 930 hfp_connection->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 931 break; 932 933 case HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 934 hfp_ag_slc_established(hfp_connection); 935 break; 936 case HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 937 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 938 hfp_connection->enable_status_update_for_ag_indicators = 0xFF; 939 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 940 break; 941 } 942 943 if (hfp_connection->change_status_update_for_individual_ag_indicators == 1){ 944 hfp_connection->change_status_update_for_individual_ag_indicators = 0; 945 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 946 break; 947 } 948 949 switch (hfp_connection->hf_query_operator_state){ 950 case HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK: 951 // printf("Format set, querying name\n"); 952 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 953 break; 954 case HPF_HF_QUERY_OPERATOR_W4_RESULT: 955 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_FORMAT_SET; 956 hfp_emit_network_operator_event(hfp_callback, hfp_connection->network_operator); 957 break; 958 default: 959 break; 960 } 961 962 if (hfp_connection->enable_extended_audio_gateway_error_report){ 963 hfp_connection->enable_extended_audio_gateway_error_report = 0; 964 break; 965 } 966 967 switch (hfp_connection->codecs_state){ 968 case HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE: 969 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 970 break; 971 case HFP_CODECS_HF_CONFIRMED_CODEC: 972 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 973 break; 974 default: 975 break; 976 } 977 break; 978 default: 979 break; 980 } 981 982 // done 983 hfp_connection->command = HFP_CMD_NONE; 984 } 985 986 987 static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 988 UNUSED(packet_type); 989 990 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_rfcomm_cid(channel); 991 if (!hfp_connection) return; 992 993 char last_char = packet[size-1]; 994 packet[size-1] = 0; 995 log_info("HFP_RX %s", packet); 996 packet[size-1] = last_char; 997 998 int pos, i, value; 999 for (pos = 0; pos < size ; pos++){ 1000 hfp_parse(hfp_connection, packet[pos], 1); 1001 } 1002 1003 switch (hfp_connection->command){ 1004 case HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION: 1005 hfp_connection->command = HFP_CMD_NONE; 1006 // printf("Subscriber Number: number %s, type %u\n", hfp_connection->bnip_number, hfp_connection->bnip_type); 1007 hfp_hf_emit_subscriber_information(hfp_callback, HFP_SUBEVENT_SUBSCRIBER_NUMBER_INFORMATION, 0, hfp_connection->bnip_type, hfp_connection->bnip_number); 1008 break; 1009 case HFP_CMD_RESPONSE_AND_HOLD_STATUS: 1010 hfp_connection->command = HFP_CMD_NONE; 1011 // printf("Response and Hold status: %s\n", hfp_connection->line_buffer); 1012 hfp_emit_event(hfp_callback, HFP_SUBEVENT_RESPONSE_AND_HOLD_STATUS, btstack_atoi((char *)&hfp_connection->line_buffer[0])); 1013 break; 1014 case HFP_CMD_LIST_CURRENT_CALLS: 1015 hfp_connection->command = HFP_CMD_NONE; 1016 // printf("Enhanced Call Status: idx %u, dir %u, status %u, mpty %u, number %s, type %u\n", 1017 // hfp_connection->clcc_idx, hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1018 // hfp_connection->bnip_number, hfp_connection->bnip_type); 1019 hfp_hf_emit_enhanced_call_status(hfp_callback, hfp_connection->clcc_idx, 1020 hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1021 hfp_connection->bnip_type, hfp_connection->bnip_number); 1022 break; 1023 case HFP_CMD_SET_SPEAKER_GAIN: 1024 hfp_connection->command = HFP_CMD_NONE; 1025 value = btstack_atoi((char*)hfp_connection->line_buffer); 1026 hfp_hf_speaker_gain = value; 1027 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, value); 1028 break; 1029 case HFP_CMD_SET_MICROPHONE_GAIN: 1030 hfp_connection->command = HFP_CMD_NONE; 1031 value = btstack_atoi((char*)hfp_connection->line_buffer); 1032 hfp_hf_microphone_gain = value; 1033 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, value); 1034 break; 1035 case HFP_CMD_AG_SENT_PHONE_NUMBER: 1036 hfp_connection->command = HFP_CMD_NONE; 1037 hfp_emit_string_event(hfp_callback, HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG, hfp_connection->bnip_number); 1038 break; 1039 case HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE: 1040 hfp_connection->command = HFP_CMD_NONE; 1041 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALL_WAITING_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1042 break; 1043 case HFP_CMD_AG_SENT_CLIP_INFORMATION: 1044 hfp_connection->command = HFP_CMD_NONE; 1045 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALLING_LINE_INDETIFICATION_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1046 break; 1047 case HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR: 1048 hfp_connection->ok_pending = 0; 1049 hfp_connection->command = HFP_CMD_NONE; 1050 hfp_connection->extended_audio_gateway_error = 0; 1051 hfp_emit_event(hfp_callback, HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR, hfp_connection->extended_audio_gateway_error_value); 1052 break; 1053 case HFP_CMD_ERROR: 1054 hfp_connection->ok_pending = 0; 1055 hfp_reset_context_flags(hfp_connection); 1056 hfp_connection->command = HFP_CMD_NONE; 1057 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 1); 1058 break; 1059 case HFP_CMD_OK: 1060 hfp_hf_switch_on_ok(hfp_connection); 1061 break; 1062 case HFP_CMD_RING: 1063 hfp_emit_simple_event(hfp_callback, HFP_SUBEVENT_RING); 1064 break; 1065 case HFP_CMD_TRANSFER_AG_INDICATOR_STATUS: 1066 for (i = 0; i < hfp_connection->ag_indicators_nr; i++){ 1067 if (hfp_connection->ag_indicators[i].status_changed) { 1068 if (strcmp(hfp_connection->ag_indicators[i].name, "callsetup") == 0){ 1069 hfp_callsetup_status = (hfp_callsetup_status_t) hfp_connection->ag_indicators[i].status; 1070 } else if (strcmp(hfp_connection->ag_indicators[i].name, "callheld") == 0){ 1071 hfp_callheld_status = (hfp_callheld_status_t) hfp_connection->ag_indicators[i].status; 1072 } else if (strcmp(hfp_connection->ag_indicators[i].name, "call") == 0){ 1073 hfp_call_status = (hfp_call_status_t) hfp_connection->ag_indicators[i].status; 1074 } 1075 hfp_connection->ag_indicators[i].status_changed = 0; 1076 hfp_emit_ag_indicator_event(hfp_callback, hfp_connection->ag_indicators[i]); 1077 break; 1078 } 1079 } 1080 break; 1081 default: 1082 break; 1083 } 1084 hfp_run_for_context(hfp_connection); 1085 } 1086 1087 static void hfp_run(void){ 1088 btstack_linked_list_iterator_t it; 1089 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1090 while (btstack_linked_list_iterator_has_next(&it)){ 1091 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1092 hfp_run_for_context(hfp_connection); 1093 } 1094 } 1095 1096 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1097 switch (packet_type){ 1098 case RFCOMM_DATA_PACKET: 1099 hfp_handle_rfcomm_event(packet_type, channel, packet, size); 1100 break; 1101 case HCI_EVENT_PACKET: 1102 hfp_handle_hci_event(packet_type, channel, packet, size); 1103 break; 1104 default: 1105 break; 1106 } 1107 hfp_run(); 1108 } 1109 1110 void hfp_hf_init(uint16_t rfcomm_channel_nr){ 1111 // register for HCI events 1112 hci_event_callback_registration.callback = &packet_handler; 1113 hci_add_event_handler(&hci_event_callback_registration); 1114 1115 rfcomm_register_service(packet_handler, rfcomm_channel_nr, 0xffff); 1116 1117 hfp_set_packet_handler_for_rfcomm_connections(&packet_handler); 1118 1119 hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 1120 hfp_codecs_nr = 0; 1121 hfp_indicators_nr = 0; 1122 hfp_hf_speaker_gain = 9; 1123 hfp_hf_microphone_gain = 9; 1124 } 1125 1126 void hfp_hf_init_codecs(int codecs_nr, uint8_t * codecs){ 1127 if (codecs_nr > HFP_MAX_NUM_CODECS){ 1128 log_error("hfp_hf_init_codecs: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS); 1129 return; 1130 } 1131 1132 hfp_codecs_nr = codecs_nr; 1133 int i; 1134 for (i=0; i<codecs_nr; i++){ 1135 hfp_codecs[i] = codecs[i]; 1136 } 1137 } 1138 1139 void hfp_hf_init_supported_features(uint32_t supported_features){ 1140 hfp_supported_features = supported_features; 1141 } 1142 1143 void hfp_hf_init_hf_indicators(int indicators_nr, uint16_t * indicators){ 1144 hfp_indicators_nr = indicators_nr; 1145 int i; 1146 for (i = 0; i < hfp_indicators_nr ; i++){ 1147 hfp_indicators[i] = indicators[i]; 1148 } 1149 } 1150 1151 void hfp_hf_establish_service_level_connection(bd_addr_t bd_addr){ 1152 hfp_establish_service_level_connection(bd_addr, BLUETOOTH_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY); 1153 } 1154 1155 void hfp_hf_release_service_level_connection(hci_con_handle_t acl_handle){ 1156 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1157 if (!hfp_connection) { 1158 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1159 return; 1160 } 1161 hfp_release_service_level_connection(hfp_connection); 1162 hfp_run_for_context(hfp_connection); 1163 } 1164 1165 static void hfp_hf_set_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle, uint8_t enable){ 1166 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1167 if (!hfp_connection) { 1168 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1169 return; 1170 } 1171 hfp_connection->enable_status_update_for_ag_indicators = enable; 1172 hfp_run_for_context(hfp_connection); 1173 } 1174 1175 void hfp_hf_enable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1176 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 1); 1177 } 1178 1179 void hfp_hf_disable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1180 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 0); 1181 } 1182 1183 // TODO: returned ERROR - wrong format 1184 void hfp_hf_set_status_update_for_individual_ag_indicators(hci_con_handle_t acl_handle, uint32_t indicators_status_bitmap){ 1185 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1186 if (!hfp_connection) { 1187 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1188 return; 1189 } 1190 hfp_connection->change_status_update_for_individual_ag_indicators = 1; 1191 hfp_connection->ag_indicators_status_update_bitmap = indicators_status_bitmap; 1192 hfp_run_for_context(hfp_connection); 1193 } 1194 1195 void hfp_hf_query_operator_selection(hci_con_handle_t acl_handle){ 1196 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1197 if (!hfp_connection) { 1198 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1199 return; 1200 } 1201 switch (hfp_connection->hf_query_operator_state){ 1202 case HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET: 1203 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SET_FORMAT; 1204 break; 1205 case HFP_HF_QUERY_OPERATOR_FORMAT_SET: 1206 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 1207 break; 1208 default: 1209 break; 1210 } 1211 hfp_run_for_context(hfp_connection); 1212 } 1213 1214 static void hfp_hf_set_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle, uint8_t enable){ 1215 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1216 if (!hfp_connection) { 1217 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1218 return; 1219 } 1220 hfp_connection->enable_extended_audio_gateway_error_report = enable; 1221 hfp_run_for_context(hfp_connection); 1222 } 1223 1224 1225 void hfp_hf_enable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1226 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 1); 1227 } 1228 1229 void hfp_hf_disable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1230 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 0); 1231 } 1232 1233 1234 void hfp_hf_establish_audio_connection(hci_con_handle_t acl_handle){ 1235 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1236 if (!hfp_connection) { 1237 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1238 return; 1239 } 1240 hfp_connection->establish_audio_connection = 0; 1241 1242 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return; 1243 if (hfp_connection->state >= HFP_W2_DISCONNECT_SCO) return; 1244 1245 if (!has_codec_negotiation_feature(hfp_connection)){ 1246 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using defaults"); 1247 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 1248 hfp_connection->establish_audio_connection = 1; 1249 } else { 1250 switch (hfp_connection->codecs_state){ 1251 case HFP_CODECS_W4_AG_COMMON_CODEC: 1252 break; 1253 default: 1254 hfp_connection->command = HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP; 1255 break; 1256 } 1257 } 1258 1259 hfp_run_for_context(hfp_connection); 1260 } 1261 1262 void hfp_hf_release_audio_connection(hci_con_handle_t acl_handle){ 1263 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1264 if (!hfp_connection) { 1265 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1266 return; 1267 } 1268 hfp_release_audio_connection(hfp_connection); 1269 hfp_run_for_context(hfp_connection); 1270 } 1271 1272 void hfp_hf_answer_incoming_call(hci_con_handle_t acl_handle){ 1273 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1274 if (!hfp_connection) { 1275 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1276 return; 1277 } 1278 1279 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1280 hfp_connection->hf_answer_incoming_call = 1; 1281 hfp_run_for_context(hfp_connection); 1282 } else { 1283 log_error("HFP HF: answering incoming call with wrong callsetup status %u", hfp_callsetup_status); 1284 } 1285 } 1286 1287 void hfp_hf_terminate_call(hci_con_handle_t acl_handle){ 1288 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1289 if (!hfp_connection) { 1290 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1291 return; 1292 } 1293 hfp_connection->hf_send_chup = 1; 1294 hfp_run_for_context(hfp_connection); 1295 } 1296 1297 void hfp_hf_reject_incoming_call(hci_con_handle_t acl_handle){ 1298 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1299 if (!hfp_connection) { 1300 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1301 return; 1302 } 1303 1304 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1305 hfp_connection->hf_send_chup = 1; 1306 hfp_run_for_context(hfp_connection); 1307 } 1308 } 1309 1310 void hfp_hf_user_busy(hci_con_handle_t acl_handle){ 1311 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1312 if (!hfp_connection) { 1313 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1314 return; 1315 } 1316 1317 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1318 hfp_connection->hf_send_chld_0 = 1; 1319 hfp_run_for_context(hfp_connection); 1320 } 1321 } 1322 1323 void hfp_hf_end_active_and_accept_other(hci_con_handle_t acl_handle){ 1324 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1325 if (!hfp_connection) { 1326 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1327 return; 1328 } 1329 1330 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1331 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1332 hfp_connection->hf_send_chld_1 = 1; 1333 hfp_run_for_context(hfp_connection); 1334 } 1335 } 1336 1337 void hfp_hf_swap_calls(hci_con_handle_t acl_handle){ 1338 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1339 if (!hfp_connection) { 1340 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1341 return; 1342 } 1343 1344 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1345 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1346 hfp_connection->hf_send_chld_2 = 1; 1347 hfp_run_for_context(hfp_connection); 1348 } 1349 } 1350 1351 void hfp_hf_join_held_call(hci_con_handle_t acl_handle){ 1352 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1353 if (!hfp_connection) { 1354 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1355 return; 1356 } 1357 1358 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1359 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1360 hfp_connection->hf_send_chld_3 = 1; 1361 hfp_run_for_context(hfp_connection); 1362 } 1363 } 1364 1365 void hfp_hf_connect_calls(hci_con_handle_t acl_handle){ 1366 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1367 if (!hfp_connection) { 1368 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1369 return; 1370 } 1371 1372 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1373 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1374 hfp_connection->hf_send_chld_4 = 1; 1375 hfp_run_for_context(hfp_connection); 1376 } 1377 } 1378 1379 void hfp_hf_release_call_with_index(hci_con_handle_t acl_handle, int index){ 1380 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1381 if (!hfp_connection) { 1382 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1383 return; 1384 } 1385 1386 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1387 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1388 hfp_connection->hf_send_chld_x = 1; 1389 hfp_connection->hf_send_chld_x_index = 10 + index; 1390 hfp_run_for_context(hfp_connection); 1391 } 1392 } 1393 1394 void hfp_hf_private_consultation_with_call(hci_con_handle_t acl_handle, int index){ 1395 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1396 if (!hfp_connection) { 1397 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1398 return; 1399 } 1400 1401 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1402 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1403 hfp_connection->hf_send_chld_x = 1; 1404 hfp_connection->hf_send_chld_x_index = 20 + index; 1405 hfp_run_for_context(hfp_connection); 1406 } 1407 } 1408 1409 void hfp_hf_dial_number(hci_con_handle_t acl_handle, char * number){ 1410 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1411 if (!hfp_connection) { 1412 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1413 return; 1414 } 1415 1416 hfp_connection->hf_initiate_outgoing_call = 1; 1417 snprintf(phone_number, sizeof(phone_number), "%s", number); 1418 hfp_run_for_context(hfp_connection); 1419 } 1420 1421 void hfp_hf_dial_memory(hci_con_handle_t acl_handle, int memory_id){ 1422 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1423 if (!hfp_connection) { 1424 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1425 return; 1426 } 1427 1428 hfp_connection->hf_initiate_memory_dialing = 1; 1429 hfp_connection->memory_id = memory_id; 1430 1431 hfp_run_for_context(hfp_connection); 1432 } 1433 1434 void hfp_hf_redial_last_number(hci_con_handle_t acl_handle){ 1435 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1436 if (!hfp_connection) { 1437 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1438 return; 1439 } 1440 1441 hfp_connection->hf_initiate_redial_last_number = 1; 1442 hfp_run_for_context(hfp_connection); 1443 } 1444 1445 void hfp_hf_activate_call_waiting_notification(hci_con_handle_t acl_handle){ 1446 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1447 if (!hfp_connection) { 1448 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1449 return; 1450 } 1451 1452 hfp_connection->hf_activate_call_waiting_notification = 1; 1453 hfp_run_for_context(hfp_connection); 1454 } 1455 1456 1457 void hfp_hf_deactivate_call_waiting_notification(hci_con_handle_t acl_handle){ 1458 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1459 if (!hfp_connection) { 1460 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1461 return; 1462 } 1463 1464 hfp_connection->hf_deactivate_call_waiting_notification = 1; 1465 hfp_run_for_context(hfp_connection); 1466 } 1467 1468 1469 void hfp_hf_activate_calling_line_notification(hci_con_handle_t acl_handle){ 1470 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1471 if (!hfp_connection) { 1472 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1473 return; 1474 } 1475 1476 hfp_connection->hf_activate_calling_line_notification = 1; 1477 hfp_run_for_context(hfp_connection); 1478 } 1479 1480 void hfp_hf_deactivate_calling_line_notification(hci_con_handle_t acl_handle){ 1481 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1482 if (!hfp_connection) { 1483 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1484 return; 1485 } 1486 1487 hfp_connection->hf_deactivate_calling_line_notification = 1; 1488 hfp_run_for_context(hfp_connection); 1489 } 1490 1491 1492 void hfp_hf_activate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1493 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1494 if (!hfp_connection) { 1495 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1496 return; 1497 } 1498 1499 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 1; 1500 hfp_run_for_context(hfp_connection); 1501 } 1502 1503 void hfp_hf_deactivate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1504 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1505 if (!hfp_connection) { 1506 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1507 return; 1508 } 1509 1510 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 1; 1511 hfp_run_for_context(hfp_connection); 1512 } 1513 1514 void hfp_hf_activate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1515 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1516 if (!hfp_connection) { 1517 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1518 return; 1519 } 1520 1521 hfp_connection->hf_activate_voice_recognition_notification = 1; 1522 hfp_run_for_context(hfp_connection); 1523 } 1524 1525 void hfp_hf_deactivate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1526 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1527 if (!hfp_connection) { 1528 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1529 return; 1530 } 1531 1532 hfp_connection->hf_deactivate_voice_recognition_notification = 1; 1533 hfp_run_for_context(hfp_connection); 1534 } 1535 1536 void hfp_hf_set_microphone_gain(hci_con_handle_t acl_handle, int gain){ 1537 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1538 if (!hfp_connection) { 1539 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1540 return; 1541 } 1542 1543 if (hfp_connection->microphone_gain == gain) return; 1544 if (gain < 0 || gain > 15){ 1545 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1546 return; 1547 } 1548 hfp_connection->microphone_gain = gain; 1549 hfp_connection->send_microphone_gain = 1; 1550 hfp_run_for_context(hfp_connection); 1551 } 1552 1553 void hfp_hf_set_speaker_gain(hci_con_handle_t acl_handle, int gain){ 1554 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1555 if (!hfp_connection) { 1556 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1557 return; 1558 } 1559 1560 if (hfp_connection->speaker_gain == gain) return; 1561 if (gain < 0 || gain > 15){ 1562 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1563 return; 1564 } 1565 hfp_connection->speaker_gain = gain; 1566 hfp_connection->send_speaker_gain = 1; 1567 hfp_run_for_context(hfp_connection); 1568 } 1569 1570 void hfp_hf_send_dtmf_code(hci_con_handle_t acl_handle, char code){ 1571 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1572 if (!hfp_connection) { 1573 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1574 return; 1575 } 1576 1577 hfp_connection->hf_send_dtmf_code = code; 1578 hfp_run_for_context(hfp_connection); 1579 } 1580 1581 void hfp_hf_request_phone_number_for_voice_tag(hci_con_handle_t acl_handle){ 1582 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1583 if (!hfp_connection) { 1584 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1585 return; 1586 } 1587 hfp_connection->hf_send_binp = 1; 1588 hfp_run_for_context(hfp_connection); 1589 } 1590 1591 void hfp_hf_query_current_call_status(hci_con_handle_t acl_handle){ 1592 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1593 if (!hfp_connection) { 1594 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1595 return; 1596 } 1597 hfp_connection->hf_send_clcc = 1; 1598 hfp_run_for_context(hfp_connection); 1599 } 1600 1601 1602 void hfp_hf_rrh_query_status(hci_con_handle_t acl_handle){ 1603 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1604 if (!hfp_connection) { 1605 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1606 return; 1607 } 1608 hfp_connection->hf_send_rrh = 1; 1609 hfp_connection->hf_send_rrh_command = '?'; 1610 hfp_run_for_context(hfp_connection); 1611 } 1612 1613 void hfp_hf_rrh_hold_call(hci_con_handle_t acl_handle){ 1614 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1615 if (!hfp_connection) { 1616 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1617 return; 1618 } 1619 hfp_connection->hf_send_rrh = 1; 1620 hfp_connection->hf_send_rrh_command = '0'; 1621 hfp_run_for_context(hfp_connection); 1622 } 1623 1624 void hfp_hf_rrh_accept_held_call(hci_con_handle_t acl_handle){ 1625 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1626 if (!hfp_connection) { 1627 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1628 return; 1629 } 1630 hfp_connection->hf_send_rrh = 1; 1631 hfp_connection->hf_send_rrh_command = '1'; 1632 hfp_run_for_context(hfp_connection); 1633 } 1634 1635 void hfp_hf_rrh_reject_held_call(hci_con_handle_t acl_handle){ 1636 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1637 if (!hfp_connection) { 1638 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1639 return; 1640 } 1641 hfp_connection->hf_send_rrh = 1; 1642 hfp_connection->hf_send_rrh_command = '2'; 1643 hfp_run_for_context(hfp_connection); 1644 } 1645 1646 void hfp_hf_query_subscriber_number(hci_con_handle_t acl_handle){ 1647 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1648 if (!hfp_connection) { 1649 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1650 return; 1651 } 1652 hfp_connection->hf_send_cnum = 1; 1653 hfp_run_for_context(hfp_connection); 1654 } 1655 1656 void hfp_hf_set_hf_indicator(hci_con_handle_t acl_handle, int assigned_number, int value){ 1657 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1658 if (!hfp_connection) { 1659 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1660 return; 1661 } 1662 // find index for assigned number 1663 int i; 1664 for (i = 0; i < hfp_indicators_nr ; i++){ 1665 if (hfp_indicators[i] == assigned_number){ 1666 // set value 1667 hfp_indicators_value[i] = value; 1668 // mark for update 1669 if (hfp_connection->state > HFP_LIST_GENERIC_STATUS_INDICATORS){ 1670 hfp_connection->generic_status_update_bitmap |= (1<<i); 1671 // send update 1672 hfp_run_for_context(hfp_connection); 1673 } 1674 return; 1675 } 1676 } 1677 } 1678 1679