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