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 btstack_packet_callback_registration_t hci_event_callback_registration; 70 71 static const char default_hfp_hf_service_name[] = "Hands-Free unit"; 72 static uint16_t hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 73 static uint8_t hfp_codecs_nr = 0; 74 static uint8_t hfp_codecs[HFP_MAX_NUM_CODECS]; 75 76 static uint8_t hfp_indicators_nr = 0; 77 static uint8_t hfp_indicators[HFP_MAX_NUM_HF_INDICATORS]; 78 static uint32_t hfp_indicators_value[HFP_MAX_NUM_HF_INDICATORS]; 79 80 static uint8_t hfp_hf_speaker_gain = 9; 81 static uint8_t hfp_hf_microphone_gain = 9; 82 83 static btstack_packet_handler_t hfp_hf_callback; 84 85 static hfp_call_status_t hfp_call_status; 86 static hfp_callsetup_status_t hfp_callsetup_status; 87 static hfp_callheld_status_t hfp_callheld_status; 88 89 static char phone_number[25]; 90 91 static hfp_connection_t * get_hfp_hf_connection_context_for_acl_handle(uint16_t handle){ 92 btstack_linked_list_iterator_t it; 93 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 94 while (btstack_linked_list_iterator_has_next(&it)){ 95 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 96 if (hfp_connection->acl_handle != handle) continue; 97 if (hfp_connection->local_role != HFP_ROLE_HF) continue; 98 return hfp_connection; 99 } 100 return NULL; 101 } 102 103 void hfp_hf_register_packet_handler(btstack_packet_handler_t callback){ 104 if (callback == NULL){ 105 log_error("hfp_hf_register_packet_handler called with NULL callback"); 106 return; 107 } 108 hfp_hf_callback = callback; 109 hfp_set_hf_callback(callback); 110 } 111 112 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){ 113 if (!callback) return; 114 uint8_t event[31]; 115 event[0] = HCI_EVENT_HFP_META; 116 event[1] = sizeof(event) - 2; 117 event[2] = event_subtype; 118 event[3] = status; 119 event[4] = bnip_type; 120 int size = (strlen(bnip_number) < sizeof(event) - 6) ? (int) strlen(bnip_number) : (int) sizeof(event) - 6; 121 strncpy((char*)&event[5], bnip_number, size); 122 event[5 + size] = 0; 123 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 124 } 125 126 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){ 127 if (!callback) return; 128 uint8_t event[30]; 129 event[0] = HCI_EVENT_HFP_META; 130 event[1] = sizeof(event) - 2; 131 event[2] = event_subtype; 132 event[3] = bnip_type; 133 int size = (strlen(bnip_number) < sizeof(event) - 5) ? (int) strlen(bnip_number) : (int) sizeof(event) - 5; 134 strncpy((char*)&event[4], bnip_number, size); 135 event[4 + size] = 0; 136 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 137 } 138 139 static void hfp_hf_emit_enhanced_call_status(btstack_packet_handler_t callback, uint8_t clcc_idx, uint8_t clcc_dir, 140 uint8_t clcc_status, uint8_t clcc_mpty, uint8_t bnip_type, const char * bnip_number){ 141 if (!callback) return; 142 uint8_t event[35]; 143 event[0] = HCI_EVENT_HFP_META; 144 event[1] = sizeof(event) - 2; 145 event[2] = HFP_SUBEVENT_ENHANCED_CALL_STATUS; 146 event[3] = clcc_idx; 147 event[4] = clcc_dir; 148 event[6] = clcc_status; 149 event[7] = clcc_mpty; 150 event[8] = bnip_type; 151 int size = (strlen(bnip_number) < sizeof(event) - 10) ? (int) strlen(bnip_number) : (int) sizeof(event) - 10; 152 strncpy((char*)&event[9], bnip_number, size); 153 event[9 + size] = 0; 154 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 155 } 156 157 static int has_codec_negotiation_feature(hfp_connection_t * hfp_connection){ 158 int hf = get_bit(hfp_supported_features, HFP_HFSF_CODEC_NEGOTIATION); 159 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_CODEC_NEGOTIATION); 160 return hf && ag; 161 } 162 163 static int has_call_waiting_and_3way_calling_feature(hfp_connection_t * hfp_connection){ 164 int hf = get_bit(hfp_supported_features, HFP_HFSF_THREE_WAY_CALLING); 165 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_THREE_WAY_CALLING); 166 return hf && ag; 167 } 168 169 170 static int has_hf_indicators_feature(hfp_connection_t * hfp_connection){ 171 int hf = get_bit(hfp_supported_features, HFP_HFSF_HF_INDICATORS); 172 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_HF_INDICATORS); 173 return hf && ag; 174 } 175 176 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){ 177 if (!name){ 178 name = default_hfp_hf_service_name; 179 } 180 hfp_create_sdp_record(service, service_record_handle, BLUETOOTH_SERVICE_CLASS_HANDSFREE, rfcomm_channel_nr, name); 181 182 // Construct SupportedFeatures for SDP bitmap: 183 // 184 // "The values of the “SupportedFeatures” bitmap given in Table 5.4 shall be the same as the values 185 // of the Bits 0 to 4 of the unsolicited result code +BRSF" 186 // 187 // Wide band speech (bit 5) requires Codec negotiation 188 // 189 uint16_t sdp_features = supported_features & 0x1f; 190 if (wide_band_speech && (supported_features & (1 << HFP_HFSF_CODEC_NEGOTIATION))){ 191 sdp_features |= 1 << 5; 192 } 193 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); // Hands-Free Profile - SupportedFeatures 194 de_add_number(service, DE_UINT, DE_SIZE_16, sdp_features); 195 } 196 197 198 static inline int hfp_hf_send_cmd(uint16_t cid, const char * cmd){ 199 char buffer[20]; 200 snprintf(buffer, sizeof(buffer), "AT%s\r\n", cmd); 201 return send_str_over_rfcomm(cid, buffer); 202 } 203 204 static inline int hfp_hf_send_cmd_with_mark(uint16_t cid, const char * cmd, const char * mark){ 205 char buffer[20]; 206 snprintf(buffer, sizeof(buffer), "AT%s%s\r\n", cmd, mark); 207 return send_str_over_rfcomm(cid, buffer); 208 } 209 210 static inline int hfp_hf_send_cmd_with_int(uint16_t cid, const char * cmd, uint16_t value){ 211 char buffer[40]; 212 snprintf(buffer, sizeof(buffer), "AT%s=%d\r\n", cmd, value); 213 return send_str_over_rfcomm(cid, buffer); 214 } 215 216 static int hfp_hf_cmd_notify_on_codecs(uint16_t cid){ 217 char buffer[30]; 218 const int size = sizeof(buffer); 219 int offset = snprintf(buffer, size, "AT%s=", HFP_AVAILABLE_CODECS); 220 offset += join(buffer+offset, size-offset, hfp_codecs, hfp_codecs_nr); 221 offset += snprintf(buffer+offset, size-offset, "\r\n"); 222 return send_str_over_rfcomm(cid, buffer); 223 } 224 225 static int hfp_hf_cmd_activate_status_update_for_ag_indicator(uint16_t cid, uint32_t indicators_status, int indicators_nr){ 226 char buffer[50]; 227 const int size = sizeof(buffer); 228 int offset = snprintf(buffer, size, "AT%s=", HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS); 229 offset += join_bitmap(buffer+offset, size-offset, indicators_status, indicators_nr); 230 offset += snprintf(buffer+offset, size-offset, "\r\n"); 231 return send_str_over_rfcomm(cid, buffer); 232 } 233 234 static int hfp_hf_cmd_list_supported_generic_status_indicators(uint16_t cid){ 235 char buffer[30]; 236 const int size = sizeof(buffer); 237 int offset = snprintf(buffer, size, "AT%s=", HFP_GENERIC_STATUS_INDICATOR); 238 offset += join(buffer+offset, size-offset, hfp_indicators, hfp_indicators_nr); 239 offset += snprintf(buffer+offset, size-offset, "\r\n"); 240 return send_str_over_rfcomm(cid, buffer); 241 } 242 243 static int hfp_hf_cmd_activate_status_update_for_all_ag_indicators(uint16_t cid, uint8_t activate){ 244 char buffer[20]; 245 snprintf(buffer, sizeof(buffer), "AT%s=3,0,0,%d\r\n", HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS, activate); 246 return send_str_over_rfcomm(cid, buffer); 247 } 248 249 static int hfp_hf_initiate_outgoing_call_cmd(uint16_t cid){ 250 char buffer[40]; 251 snprintf(buffer, sizeof(buffer), "%s%s;\r\n", HFP_CALL_PHONE_NUMBER, phone_number); 252 return send_str_over_rfcomm(cid, buffer); 253 } 254 255 static int hfp_hf_send_memory_dial_cmd(uint16_t cid, int memory_id){ 256 char buffer[40]; 257 snprintf(buffer, sizeof(buffer), "%s>%d;\r\n", HFP_CALL_PHONE_NUMBER, memory_id); 258 return send_str_over_rfcomm(cid, buffer); 259 } 260 261 static int hfp_hf_send_chld(uint16_t cid, unsigned int number){ 262 char buffer[40]; 263 snprintf(buffer, sizeof(buffer), "AT%s=%u\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, number); 264 return send_str_over_rfcomm(cid, buffer); 265 } 266 267 static int hfp_hf_send_dtmf(uint16_t cid, char code){ 268 char buffer[20]; 269 snprintf(buffer, sizeof(buffer), "AT%s=%c\r\n", HFP_TRANSMIT_DTMF_CODES, code); 270 return send_str_over_rfcomm(cid, buffer); 271 } 272 273 static int hfp_hf_cmd_ata(uint16_t cid){ 274 return send_str_over_rfcomm(cid, "ATA\r\n"); 275 } 276 277 static int hfp_hf_cmd_exchange_supported_features(uint16_t cid){ 278 return hfp_hf_send_cmd_with_int(cid, HFP_SUPPORTED_FEATURES, hfp_supported_features); 279 } 280 281 static int hfp_hf_cmd_retrieve_indicators(uint16_t cid){ 282 return hfp_hf_send_cmd_with_mark(cid, HFP_INDICATOR, "=?"); 283 } 284 285 static int hfp_hf_cmd_retrieve_indicators_status(uint16_t cid){ 286 return hfp_hf_send_cmd_with_mark(cid, HFP_INDICATOR, "?"); 287 } 288 289 static int hfp_hf_cmd_retrieve_can_hold_call(uint16_t cid){ 290 return hfp_hf_send_cmd_with_mark(cid, HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, "=?"); 291 } 292 293 static int hfp_hf_cmd_retrieve_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_list_initital_supported_generic_status_indicators(uint16_t cid){ 298 return hfp_hf_send_cmd_with_mark(cid, HFP_GENERIC_STATUS_INDICATOR, "?"); 299 } 300 301 static int hfp_hf_cmd_query_operator_name_format(uint16_t cid){ 302 return hfp_hf_send_cmd_with_mark(cid, HFP_QUERY_OPERATOR_SELECTION, "=3,0"); 303 } 304 305 static int hfp_hf_cmd_query_operator_name(uint16_t cid){ 306 return hfp_hf_send_cmd_with_mark(cid, HFP_QUERY_OPERATOR_SELECTION, "?"); 307 } 308 309 static int hfp_hf_cmd_trigger_codec_connection_setup(uint16_t cid){ 310 return hfp_hf_send_cmd(cid, HFP_TRIGGER_CODEC_CONNECTION_SETUP); 311 } 312 313 static int hfp_hf_set_microphone_gain_cmd(uint16_t cid, int gain){ 314 return hfp_hf_send_cmd_with_int(cid, HFP_SET_MICROPHONE_GAIN, gain); 315 } 316 317 static int hfp_hf_set_speaker_gain_cmd(uint16_t cid, int gain){ 318 return hfp_hf_send_cmd_with_int(cid, HFP_SET_SPEAKER_GAIN, gain); 319 } 320 321 static int hfp_hf_set_calling_line_notification_cmd(uint16_t cid, uint8_t activate){ 322 return hfp_hf_send_cmd_with_int(cid, HFP_ENABLE_CLIP, activate); 323 } 324 325 static int hfp_hf_set_echo_canceling_and_noise_reduction_cmd(uint16_t cid, uint8_t activate){ 326 return hfp_hf_send_cmd_with_int(cid, HFP_TURN_OFF_EC_AND_NR, activate); 327 } 328 329 static int hfp_hf_set_voice_recognition_notification_cmd(uint16_t cid, uint8_t activate){ 330 return hfp_hf_send_cmd_with_int(cid, HFP_ACTIVATE_VOICE_RECOGNITION, activate); 331 } 332 333 static int hfp_hf_set_call_waiting_notification_cmd(uint16_t cid, uint8_t activate){ 334 return hfp_hf_send_cmd_with_int(cid, HFP_ENABLE_CALL_WAITING_NOTIFICATION, activate); 335 } 336 337 static int hfp_hf_cmd_confirm_codec(uint16_t cid, uint8_t codec){ 338 return hfp_hf_send_cmd_with_int(cid, HFP_CONFIRM_COMMON_CODEC, codec); 339 } 340 341 static int hfp_hf_cmd_enable_extended_audio_gateway_error_report(uint16_t cid, uint8_t enable){ 342 return hfp_hf_send_cmd_with_int(cid, HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR, enable); 343 } 344 345 static int hfp_hf_send_redial_last_number_cmd(uint16_t cid){ 346 return hfp_hf_send_cmd(cid, HFP_REDIAL_LAST_NUMBER); 347 } 348 349 static int hfp_hf_send_chup(uint16_t cid){ 350 return hfp_hf_send_cmd(cid, HFP_HANG_UP_CALL); 351 } 352 353 static int hfp_hf_send_binp(uint16_t cid){ 354 return hfp_hf_send_cmd_with_mark(cid, HFP_PHONE_NUMBER_FOR_VOICE_TAG, "=1"); 355 } 356 357 static int hfp_hf_send_clcc(uint16_t cid){ 358 return hfp_hf_send_cmd(cid, HFP_LIST_CURRENT_CALLS); 359 } 360 361 static void hfp_emit_ag_indicator_event(btstack_packet_handler_t callback, hfp_ag_indicator_t indicator){ 362 if (!callback) return; 363 uint8_t event[5+HFP_MAX_INDICATOR_DESC_SIZE+1]; 364 event[0] = HCI_EVENT_HFP_META; 365 event[1] = sizeof(event) - 2; 366 event[2] = HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED; 367 event[3] = indicator.index; 368 event[4] = indicator.status; 369 strncpy((char*)&event[5], indicator.name, HFP_MAX_INDICATOR_DESC_SIZE); 370 event[5+HFP_MAX_INDICATOR_DESC_SIZE] = 0; 371 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 372 } 373 374 static void hfp_emit_network_operator_event(btstack_packet_handler_t callback, hfp_network_opearator_t network_operator){ 375 if (!callback) return; 376 uint8_t event[5+HFP_MAX_NETWORK_OPERATOR_NAME_SIZE+1]; 377 event[0] = HCI_EVENT_HFP_META; 378 event[1] = sizeof(event) - 2; 379 event[2] = HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED; 380 event[3] = network_operator.mode; 381 event[4] = network_operator.format; 382 strncpy((char*)&event[5], network_operator.name, HFP_MAX_NETWORK_OPERATOR_NAME_SIZE); 383 event[5+HFP_MAX_NETWORK_OPERATOR_NAME_SIZE] = 0; 384 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 385 } 386 387 static int hfp_hf_run_for_context_service_level_connection(hfp_connection_t * hfp_connection){ 388 if (hfp_connection->state >= HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 389 if (hfp_connection->ok_pending) return 0; 390 int done = 1; 391 392 switch (hfp_connection->state){ 393 case HFP_EXCHANGE_SUPPORTED_FEATURES: 394 hfp_hf_drop_mSBC_if_eSCO_not_supported(hfp_codecs, &hfp_codecs_nr); 395 hfp_connection->state = HFP_W4_EXCHANGE_SUPPORTED_FEATURES; 396 hfp_hf_cmd_exchange_supported_features(hfp_connection->rfcomm_cid); 397 break; 398 case HFP_NOTIFY_ON_CODECS: 399 hfp_connection->state = HFP_W4_NOTIFY_ON_CODECS; 400 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 401 break; 402 case HFP_RETRIEVE_INDICATORS: 403 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS; 404 hfp_hf_cmd_retrieve_indicators(hfp_connection->rfcomm_cid); 405 break; 406 case HFP_RETRIEVE_INDICATORS_STATUS: 407 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS_STATUS; 408 hfp_hf_cmd_retrieve_indicators_status(hfp_connection->rfcomm_cid); 409 break; 410 case HFP_ENABLE_INDICATORS_STATUS_UPDATE: 411 hfp_connection->state = HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE; 412 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, 1); 413 break; 414 case HFP_RETRIEVE_CAN_HOLD_CALL: 415 hfp_connection->state = HFP_W4_RETRIEVE_CAN_HOLD_CALL; 416 hfp_hf_cmd_retrieve_can_hold_call(hfp_connection->rfcomm_cid); 417 break; 418 case HFP_LIST_GENERIC_STATUS_INDICATORS: 419 hfp_connection->state = HFP_W4_LIST_GENERIC_STATUS_INDICATORS; 420 hfp_hf_cmd_list_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 421 break; 422 case HFP_RETRIEVE_GENERIC_STATUS_INDICATORS: 423 hfp_connection->state = HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS; 424 hfp_hf_cmd_retrieve_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 425 break; 426 case HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 427 hfp_connection->state = HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 428 hfp_hf_cmd_list_initital_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 429 break; 430 default: 431 done = 0; 432 break; 433 } 434 return done; 435 } 436 437 438 static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * hfp_connection){ 439 if (hfp_connection->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 440 if (hfp_connection->ok_pending) return 0; 441 442 int done = 0; 443 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 444 hfp_connection->ok_pending = 1; 445 done = 1; 446 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, hfp_connection->enable_status_update_for_ag_indicators); 447 return done; 448 }; 449 if (hfp_connection->change_status_update_for_individual_ag_indicators){ 450 hfp_connection->ok_pending = 1; 451 done = 1; 452 hfp_hf_cmd_activate_status_update_for_ag_indicator(hfp_connection->rfcomm_cid, 453 hfp_connection->ag_indicators_status_update_bitmap, 454 hfp_connection->ag_indicators_nr); 455 return done; 456 } 457 458 switch (hfp_connection->hf_query_operator_state){ 459 case HFP_HF_QUERY_OPERATOR_SET_FORMAT: 460 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK; 461 hfp_connection->ok_pending = 1; 462 hfp_hf_cmd_query_operator_name_format(hfp_connection->rfcomm_cid); 463 return 1; 464 case HFP_HF_QUERY_OPERATOR_SEND_QUERY: 465 hfp_connection->hf_query_operator_state = HPF_HF_QUERY_OPERATOR_W4_RESULT; 466 hfp_connection->ok_pending = 1; 467 hfp_hf_cmd_query_operator_name(hfp_connection->rfcomm_cid); 468 return 1; 469 default: 470 break; 471 } 472 473 if (hfp_connection->enable_extended_audio_gateway_error_report){ 474 hfp_connection->ok_pending = 1; 475 done = 1; 476 hfp_hf_cmd_enable_extended_audio_gateway_error_report(hfp_connection->rfcomm_cid, hfp_connection->enable_extended_audio_gateway_error_report); 477 return done; 478 } 479 480 return done; 481 } 482 483 static int codecs_exchange_state_machine(hfp_connection_t * hfp_connection){ 484 /* events ( == commands): 485 HFP_CMD_AVAILABLE_CODECS == received AT+BAC with list of codecs 486 HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 487 hf_trigger_codec_connection_setup == received BCC 488 ag_trigger_codec_connection_setup == received from AG to send BCS 489 HFP_CMD_HF_CONFIRMED_CODEC == received AT+BCS 490 */ 491 492 if (hfp_connection->ok_pending) return 0; 493 494 switch (hfp_connection->command){ 495 case HFP_CMD_AVAILABLE_CODECS: 496 if (hfp_connection->codecs_state == HFP_CODECS_W4_AG_COMMON_CODEC) return 0; 497 498 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 499 hfp_connection->ok_pending = 1; 500 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 501 return 1; 502 case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 503 hfp_connection->codec_confirmed = 0; 504 hfp_connection->suggested_codec = 0; 505 hfp_connection->negotiated_codec = 0; 506 507 hfp_connection->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE; 508 hfp_connection->ok_pending = 1; 509 hfp_hf_cmd_trigger_codec_connection_setup(hfp_connection->rfcomm_cid); 510 break; 511 512 case HFP_CMD_AG_SUGGESTED_CODEC:{ 513 if (hfp_supports_codec(hfp_connection->suggested_codec, hfp_codecs_nr, hfp_codecs)){ 514 hfp_connection->codec_confirmed = hfp_connection->suggested_codec; 515 hfp_connection->ok_pending = 1; 516 hfp_connection->codecs_state = HFP_CODECS_HF_CONFIRMED_CODEC; 517 hfp_connection->negotiated_codec = hfp_connection->suggested_codec; 518 log_info("hfp: codec confirmed: %s", hfp_connection->negotiated_codec == HFP_CODEC_MSBC ? "mSBC" : "CVSD"); 519 hfp_hf_cmd_confirm_codec(hfp_connection->rfcomm_cid, hfp_connection->codec_confirmed); 520 } else { 521 hfp_connection->codec_confirmed = 0; 522 hfp_connection->suggested_codec = 0; 523 hfp_connection->negotiated_codec = 0; 524 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 525 hfp_connection->ok_pending = 1; 526 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 527 528 } 529 break; 530 } 531 default: 532 break; 533 } 534 return 0; 535 } 536 537 static int hfp_hf_run_for_audio_connection(hfp_connection_t * hfp_connection){ 538 if (hfp_connection->state < HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED || 539 hfp_connection->state > HFP_W2_DISCONNECT_SCO) return 0; 540 541 542 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED && hfp_connection->release_audio_connection){ 543 hfp_connection->state = HFP_W4_SCO_DISCONNECTED; 544 hfp_connection->release_audio_connection = 0; 545 gap_disconnect(hfp_connection->sco_handle); 546 return 1; 547 } 548 549 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return 0; 550 551 // run codecs exchange 552 int done = codecs_exchange_state_machine(hfp_connection); 553 if (done) return 1; 554 555 if (hfp_connection->codecs_state != HFP_CODECS_EXCHANGED) return 0; 556 if (hfp_connection->establish_audio_connection){ 557 hfp_connection->state = HFP_W4_SCO_CONNECTED; 558 hfp_connection->establish_audio_connection = 0; 559 hfp_setup_synchronous_connection(hfp_connection); 560 return 1; 561 } 562 563 return 0; 564 } 565 566 567 static int call_setup_state_machine(hfp_connection_t * hfp_connection){ 568 if (hfp_connection->hf_answer_incoming_call){ 569 hfp_hf_cmd_ata(hfp_connection->rfcomm_cid); 570 hfp_connection->hf_answer_incoming_call = 0; 571 return 1; 572 } 573 return 0; 574 } 575 576 static void hfp_run_for_context(hfp_connection_t * hfp_connection){ 577 if (!hfp_connection) return; 578 if (!hfp_connection->rfcomm_cid) return; 579 580 if (hfp_connection->local_role != HFP_ROLE_HF) { 581 log_info("HFP HF%p, wrong role %u", hfp_connection, hfp_connection->local_role); 582 return; 583 } 584 585 if (hfp_connection->hf_accept_sco && hci_can_send_command_packet_now()){ 586 587 hfp_connection->hf_accept_sco = 0; 588 589 // notify about codec selection if not done already 590 if (hfp_connection->negotiated_codec == 0){ 591 hfp_connection->negotiated_codec = HFP_CODEC_CVSD; 592 } 593 594 // remote supported feature eSCO is set if link type is eSCO 595 // eSCO: S4 - max latency == transmission interval = 0x000c == 12 ms, 596 uint16_t max_latency; 597 uint8_t retransmission_effort; 598 uint16_t packet_types; 599 600 if (hci_extended_sco_link_supported() && hci_remote_esco_supported(hfp_connection->acl_handle)){ 601 max_latency = 0x000c; 602 retransmission_effort = 0x02; 603 packet_types = 0x388; 604 } else { 605 max_latency = 0xffff; 606 retransmission_effort = 0xff; 607 packet_types = 0x003f; 608 } 609 610 uint16_t sco_voice_setting = hci_get_sco_voice_setting(); 611 if (hfp_connection->negotiated_codec == HFP_CODEC_MSBC){ 612 sco_voice_setting = 0x0043; // Transparent data 613 } 614 615 log_info("HFP: sending hci_accept_connection_request, sco_voice_setting 0x%02x", sco_voice_setting); 616 hci_send_cmd(&hci_accept_synchronous_connection, hfp_connection->remote_addr, 8000, 8000, max_latency, 617 sco_voice_setting, retransmission_effort, packet_types); 618 return; 619 } 620 621 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) { 622 rfcomm_request_can_send_now_event(hfp_connection->rfcomm_cid); 623 return; 624 } 625 int done = hfp_hf_run_for_context_service_level_connection(hfp_connection); 626 if (!done){ 627 done = hfp_hf_run_for_context_service_level_connection_queries(hfp_connection); 628 } 629 if (!done){ 630 done = hfp_hf_run_for_audio_connection(hfp_connection); 631 } 632 if (!done){ 633 done = call_setup_state_machine(hfp_connection); 634 } 635 636 // don't send a new command while ok still pending 637 if (hfp_connection->ok_pending) return; 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_connection, 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_connection, 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_connection, 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_connection, 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_connection, 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_hf_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 static void hfp_hf_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 987 UNUSED(packet_type); // ok: only called with RFCOMM_DATA_PACKET 988 989 // assertion: size >= 1 as rfcomm.c does not deliver empty packets 990 if (size < 1) return; 991 992 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_rfcomm_cid(channel); 993 if (!hfp_connection) return; 994 995 hfp_log_rfcomm_message("HFP_HF_RX", packet, size); 996 997 // process messages byte-wise 998 int pos; 999 for (pos = 0; pos < size ; pos++){ 1000 hfp_parse(hfp_connection, packet[pos], 1); 1001 } 1002 1003 int value; 1004 int i; 1005 switch (hfp_connection->command){ 1006 case HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION: 1007 hfp_connection->command = HFP_CMD_NONE; 1008 // printf("Subscriber Number: number %s, type %u\n", hfp_connection->bnip_number, hfp_connection->bnip_type); 1009 hfp_hf_emit_subscriber_information(hfp_hf_callback, HFP_SUBEVENT_SUBSCRIBER_NUMBER_INFORMATION, 0, hfp_connection->bnip_type, hfp_connection->bnip_number); 1010 break; 1011 case HFP_CMD_RESPONSE_AND_HOLD_STATUS: 1012 hfp_connection->command = HFP_CMD_NONE; 1013 // printf("Response and Hold status: %s\n", hfp_connection->line_buffer); 1014 hfp_emit_event(hfp_connection, HFP_SUBEVENT_RESPONSE_AND_HOLD_STATUS, btstack_atoi((char *)&hfp_connection->line_buffer[0])); 1015 break; 1016 case HFP_CMD_LIST_CURRENT_CALLS: 1017 hfp_connection->command = HFP_CMD_NONE; 1018 // printf("Enhanced Call Status: idx %u, dir %u, status %u, mpty %u, number %s, type %u\n", 1019 // hfp_connection->clcc_idx, hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1020 // hfp_connection->bnip_number, hfp_connection->bnip_type); 1021 hfp_hf_emit_enhanced_call_status(hfp_hf_callback, hfp_connection->clcc_idx, 1022 hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1023 hfp_connection->bnip_type, hfp_connection->bnip_number); 1024 break; 1025 case HFP_CMD_SET_SPEAKER_GAIN: 1026 hfp_connection->command = HFP_CMD_NONE; 1027 value = btstack_atoi((char*)hfp_connection->line_buffer); 1028 hfp_hf_speaker_gain = value; 1029 hfp_emit_event(hfp_connection, HFP_SUBEVENT_SPEAKER_VOLUME, value); 1030 break; 1031 case HFP_CMD_SET_MICROPHONE_GAIN: 1032 hfp_connection->command = HFP_CMD_NONE; 1033 value = btstack_atoi((char*)hfp_connection->line_buffer); 1034 hfp_hf_microphone_gain = value; 1035 hfp_emit_event(hfp_connection, HFP_SUBEVENT_MICROPHONE_VOLUME, value); 1036 break; 1037 case HFP_CMD_AG_SENT_PHONE_NUMBER: 1038 hfp_connection->command = HFP_CMD_NONE; 1039 hfp_emit_string_event(hfp_connection, HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG, hfp_connection->bnip_number); 1040 break; 1041 case HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE: 1042 hfp_connection->command = HFP_CMD_NONE; 1043 hfp_hf_emit_type_and_number(hfp_hf_callback, HFP_SUBEVENT_CALL_WAITING_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1044 break; 1045 case HFP_CMD_AG_SENT_CLIP_INFORMATION: 1046 hfp_connection->command = HFP_CMD_NONE; 1047 hfp_hf_emit_type_and_number(hfp_hf_callback, HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1048 break; 1049 case HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR: 1050 hfp_connection->ok_pending = 0; 1051 hfp_connection->command = HFP_CMD_NONE; 1052 hfp_connection->extended_audio_gateway_error = 0; 1053 hfp_emit_event(hfp_connection, HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR, hfp_connection->extended_audio_gateway_error_value); 1054 break; 1055 case HFP_CMD_ERROR: 1056 hfp_connection->ok_pending = 0; 1057 hfp_reset_context_flags(hfp_connection); 1058 hfp_connection->command = HFP_CMD_NONE; 1059 hfp_emit_event(hfp_connection, HFP_SUBEVENT_COMPLETE, 1); 1060 break; 1061 case HFP_CMD_OK: 1062 hfp_hf_switch_on_ok(hfp_connection); 1063 break; 1064 case HFP_CMD_RING: 1065 hfp_emit_simple_event(hfp_connection, HFP_SUBEVENT_RING); 1066 break; 1067 case HFP_CMD_TRANSFER_AG_INDICATOR_STATUS: 1068 for (i = 0; i < hfp_connection->ag_indicators_nr; i++){ 1069 if (hfp_connection->ag_indicators[i].status_changed) { 1070 if (strcmp(hfp_connection->ag_indicators[i].name, "callsetup") == 0){ 1071 hfp_callsetup_status = (hfp_callsetup_status_t) hfp_connection->ag_indicators[i].status; 1072 } else if (strcmp(hfp_connection->ag_indicators[i].name, "callheld") == 0){ 1073 hfp_callheld_status = (hfp_callheld_status_t) hfp_connection->ag_indicators[i].status; 1074 // avoid set but not used warning 1075 (void) hfp_callheld_status; 1076 } else if (strcmp(hfp_connection->ag_indicators[i].name, "call") == 0){ 1077 hfp_call_status = (hfp_call_status_t) hfp_connection->ag_indicators[i].status; 1078 } 1079 hfp_connection->ag_indicators[i].status_changed = 0; 1080 hfp_emit_ag_indicator_event(hfp_hf_callback, hfp_connection->ag_indicators[i]); 1081 break; 1082 } 1083 } 1084 break; 1085 default: 1086 break; 1087 } 1088 hfp_run_for_context(hfp_connection); 1089 } 1090 1091 static void hfp_run(void){ 1092 btstack_linked_list_iterator_t it; 1093 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1094 while (btstack_linked_list_iterator_has_next(&it)){ 1095 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1096 if (hfp_connection->local_role != HFP_ROLE_HF) continue; 1097 hfp_run_for_context(hfp_connection); 1098 } 1099 } 1100 1101 static void rfcomm_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1102 switch (packet_type){ 1103 case RFCOMM_DATA_PACKET: 1104 hfp_hf_handle_rfcomm_event(packet_type, channel, packet, size); 1105 break; 1106 case HCI_EVENT_PACKET: 1107 if (packet[0] == RFCOMM_EVENT_CAN_SEND_NOW){ 1108 uint16_t rfcomm_cid = rfcomm_event_can_send_now_get_rfcomm_cid(packet); 1109 hfp_run_for_context(get_hfp_connection_context_for_rfcomm_cid(rfcomm_cid)); 1110 return; 1111 } 1112 hfp_handle_rfcomm_event(packet_type, channel, packet, size, HFP_ROLE_HF); 1113 break; 1114 default: 1115 break; 1116 } 1117 hfp_run(); 1118 } 1119 1120 static void hci_event_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1121 hfp_handle_hci_event(packet_type, channel, packet, size, HFP_ROLE_HF); 1122 1123 // allow for sco established -> ring transition and sco retry 1124 if (packet_type != HCI_EVENT_PACKET) return; 1125 if (hci_event_packet_get_type(packet) != HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE) return; 1126 hfp_run(); 1127 } 1128 1129 void hfp_hf_init(uint16_t rfcomm_channel_nr){ 1130 hfp_init(); 1131 1132 hci_event_callback_registration.callback = &hci_event_packet_handler; 1133 hci_add_event_handler(&hci_event_callback_registration); 1134 1135 rfcomm_register_service(rfcomm_packet_handler, rfcomm_channel_nr, 0xffff); 1136 1137 // used to set packet handler for outgoing rfcomm connections - could be handled by emitting an event to us 1138 hfp_set_hf_rfcomm_packet_handler(&rfcomm_packet_handler); 1139 1140 hfp_set_hf_run_for_context(hfp_run_for_context); 1141 1142 hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 1143 hfp_codecs_nr = 0; 1144 hfp_indicators_nr = 0; 1145 hfp_hf_speaker_gain = 9; 1146 hfp_hf_microphone_gain = 9; 1147 } 1148 1149 void hfp_hf_init_codecs(int codecs_nr, uint8_t * codecs){ 1150 if (codecs_nr > HFP_MAX_NUM_CODECS){ 1151 log_error("hfp_hf_init_codecs: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS); 1152 return; 1153 } 1154 1155 hfp_codecs_nr = codecs_nr; 1156 int i; 1157 for (i=0; i<codecs_nr; i++){ 1158 hfp_codecs[i] = codecs[i]; 1159 } 1160 } 1161 1162 void hfp_hf_init_supported_features(uint32_t supported_features){ 1163 hfp_supported_features = supported_features; 1164 } 1165 1166 void hfp_hf_init_hf_indicators(int indicators_nr, uint16_t * indicators){ 1167 hfp_indicators_nr = indicators_nr; 1168 int i; 1169 for (i = 0; i < hfp_indicators_nr ; i++){ 1170 hfp_indicators[i] = indicators[i]; 1171 } 1172 } 1173 1174 void hfp_hf_establish_service_level_connection(bd_addr_t bd_addr){ 1175 hfp_establish_service_level_connection(bd_addr, BLUETOOTH_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY, HFP_ROLE_HF); 1176 } 1177 1178 void hfp_hf_release_service_level_connection(hci_con_handle_t acl_handle){ 1179 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1180 if (!hfp_connection) { 1181 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1182 return; 1183 } 1184 hfp_release_service_level_connection(hfp_connection); 1185 hfp_run_for_context(hfp_connection); 1186 } 1187 1188 static void hfp_hf_set_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle, uint8_t enable){ 1189 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1190 if (!hfp_connection) { 1191 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1192 return; 1193 } 1194 hfp_connection->enable_status_update_for_ag_indicators = enable; 1195 hfp_run_for_context(hfp_connection); 1196 } 1197 1198 void hfp_hf_enable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1199 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 1); 1200 } 1201 1202 void hfp_hf_disable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1203 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 0); 1204 } 1205 1206 // TODO: returned ERROR - wrong format 1207 void hfp_hf_set_status_update_for_individual_ag_indicators(hci_con_handle_t acl_handle, uint32_t indicators_status_bitmap){ 1208 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1209 if (!hfp_connection) { 1210 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1211 return; 1212 } 1213 hfp_connection->change_status_update_for_individual_ag_indicators = 1; 1214 hfp_connection->ag_indicators_status_update_bitmap = indicators_status_bitmap; 1215 hfp_run_for_context(hfp_connection); 1216 } 1217 1218 void hfp_hf_query_operator_selection(hci_con_handle_t acl_handle){ 1219 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1220 if (!hfp_connection) { 1221 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1222 return; 1223 } 1224 switch (hfp_connection->hf_query_operator_state){ 1225 case HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET: 1226 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SET_FORMAT; 1227 break; 1228 case HFP_HF_QUERY_OPERATOR_FORMAT_SET: 1229 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 1230 break; 1231 default: 1232 break; 1233 } 1234 hfp_run_for_context(hfp_connection); 1235 } 1236 1237 static void hfp_hf_set_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle, uint8_t enable){ 1238 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1239 if (!hfp_connection) { 1240 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1241 return; 1242 } 1243 hfp_connection->enable_extended_audio_gateway_error_report = enable; 1244 hfp_run_for_context(hfp_connection); 1245 } 1246 1247 1248 void hfp_hf_enable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1249 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 1); 1250 } 1251 1252 void hfp_hf_disable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1253 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 0); 1254 } 1255 1256 static uint8_t hfp_hf_esco_s4_supported(hfp_connection_t * hfp_connection){ 1257 return (hfp_connection->remote_supported_features & (1<<HFP_AGSF_ESCO_S4)) && (hfp_supported_features & (1<<HFP_HFSF_ESCO_S4)); 1258 } 1259 1260 void hfp_hf_establish_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_connection->establish_audio_connection = 0; 1267 1268 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return; 1269 if (hfp_connection->state >= HFP_W2_DISCONNECT_SCO) return; 1270 1271 hfp_connection->trigger_codec_exchange = 0; 1272 hfp_connection->establish_audio_connection = 1; 1273 if (!has_codec_negotiation_feature(hfp_connection)){ 1274 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using defaults"); 1275 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 1276 hfp_connection->suggested_codec = HFP_CODEC_CVSD; 1277 hfp_connection->codec_confirmed = hfp_connection->suggested_codec; 1278 hfp_connection->negotiated_codec = hfp_connection->suggested_codec; 1279 hfp_init_link_settings(hfp_connection, hfp_hf_esco_s4_supported(hfp_connection)); 1280 hfp_connection->trigger_codec_exchange = 0; 1281 hfp_connection->state = HFP_W4_SCO_CONNECTED; 1282 } else { 1283 switch (hfp_connection->codecs_state){ 1284 case HFP_CODECS_W4_AG_COMMON_CODEC: 1285 break; 1286 default: 1287 hfp_connection->trigger_codec_exchange = 1; 1288 hfp_connection->command = HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP; 1289 break; 1290 } 1291 } 1292 1293 hfp_run_for_context(hfp_connection); 1294 } 1295 1296 void hfp_hf_release_audio_connection(hci_con_handle_t acl_handle){ 1297 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1298 if (!hfp_connection) { 1299 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1300 return; 1301 } 1302 hfp_release_audio_connection(hfp_connection); 1303 hfp_run_for_context(hfp_connection); 1304 } 1305 1306 void hfp_hf_answer_incoming_call(hci_con_handle_t acl_handle){ 1307 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1308 if (!hfp_connection) { 1309 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1310 return; 1311 } 1312 1313 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1314 hfp_connection->hf_answer_incoming_call = 1; 1315 hfp_run_for_context(hfp_connection); 1316 } else { 1317 log_error("HFP HF: answering incoming call with wrong callsetup status %u", hfp_callsetup_status); 1318 } 1319 } 1320 1321 void hfp_hf_terminate_call(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 hfp_connection->hf_send_chup = 1; 1328 hfp_run_for_context(hfp_connection); 1329 } 1330 1331 void hfp_hf_reject_incoming_call(hci_con_handle_t acl_handle){ 1332 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1333 if (!hfp_connection) { 1334 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1335 return; 1336 } 1337 1338 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1339 hfp_connection->hf_send_chup = 1; 1340 hfp_run_for_context(hfp_connection); 1341 } 1342 } 1343 1344 void hfp_hf_user_busy(hci_con_handle_t acl_handle){ 1345 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1346 if (!hfp_connection) { 1347 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1348 return; 1349 } 1350 1351 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1352 hfp_connection->hf_send_chld_0 = 1; 1353 hfp_run_for_context(hfp_connection); 1354 } 1355 } 1356 1357 void hfp_hf_end_active_and_accept_other(hci_con_handle_t acl_handle){ 1358 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1359 if (!hfp_connection) { 1360 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1361 return; 1362 } 1363 1364 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1365 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1366 hfp_connection->hf_send_chld_1 = 1; 1367 hfp_run_for_context(hfp_connection); 1368 } 1369 } 1370 1371 void hfp_hf_swap_calls(hci_con_handle_t acl_handle){ 1372 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1373 if (!hfp_connection) { 1374 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1375 return; 1376 } 1377 1378 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1379 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1380 hfp_connection->hf_send_chld_2 = 1; 1381 hfp_run_for_context(hfp_connection); 1382 } 1383 } 1384 1385 void hfp_hf_join_held_call(hci_con_handle_t acl_handle){ 1386 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1387 if (!hfp_connection) { 1388 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1389 return; 1390 } 1391 1392 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1393 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1394 hfp_connection->hf_send_chld_3 = 1; 1395 hfp_run_for_context(hfp_connection); 1396 } 1397 } 1398 1399 void hfp_hf_connect_calls(hci_con_handle_t acl_handle){ 1400 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1401 if (!hfp_connection) { 1402 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1403 return; 1404 } 1405 1406 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1407 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1408 hfp_connection->hf_send_chld_4 = 1; 1409 hfp_run_for_context(hfp_connection); 1410 } 1411 } 1412 1413 void hfp_hf_release_call_with_index(hci_con_handle_t acl_handle, int index){ 1414 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1415 if (!hfp_connection) { 1416 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1417 return; 1418 } 1419 1420 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1421 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1422 hfp_connection->hf_send_chld_x = 1; 1423 hfp_connection->hf_send_chld_x_index = 10 + index; 1424 hfp_run_for_context(hfp_connection); 1425 } 1426 } 1427 1428 void hfp_hf_private_consultation_with_call(hci_con_handle_t acl_handle, int index){ 1429 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1430 if (!hfp_connection) { 1431 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1432 return; 1433 } 1434 1435 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1436 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1437 hfp_connection->hf_send_chld_x = 1; 1438 hfp_connection->hf_send_chld_x_index = 20 + index; 1439 hfp_run_for_context(hfp_connection); 1440 } 1441 } 1442 1443 void hfp_hf_dial_number(hci_con_handle_t acl_handle, char * number){ 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_initiate_outgoing_call = 1; 1451 snprintf(phone_number, sizeof(phone_number), "%s", number); 1452 hfp_run_for_context(hfp_connection); 1453 } 1454 1455 void hfp_hf_dial_memory(hci_con_handle_t acl_handle, int memory_id){ 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_initiate_memory_dialing = 1; 1463 hfp_connection->memory_id = memory_id; 1464 1465 hfp_run_for_context(hfp_connection); 1466 } 1467 1468 void hfp_hf_redial_last_number(hci_con_handle_t acl_handle){ 1469 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1470 if (!hfp_connection) { 1471 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1472 return; 1473 } 1474 1475 hfp_connection->hf_initiate_redial_last_number = 1; 1476 hfp_run_for_context(hfp_connection); 1477 } 1478 1479 void hfp_hf_activate_call_waiting_notification(hci_con_handle_t acl_handle){ 1480 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1481 if (!hfp_connection) { 1482 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1483 return; 1484 } 1485 1486 hfp_connection->hf_activate_call_waiting_notification = 1; 1487 hfp_run_for_context(hfp_connection); 1488 } 1489 1490 1491 void hfp_hf_deactivate_call_waiting_notification(hci_con_handle_t acl_handle){ 1492 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1493 if (!hfp_connection) { 1494 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1495 return; 1496 } 1497 1498 hfp_connection->hf_deactivate_call_waiting_notification = 1; 1499 hfp_run_for_context(hfp_connection); 1500 } 1501 1502 1503 void hfp_hf_activate_calling_line_notification(hci_con_handle_t acl_handle){ 1504 hfp_connection_t * hfp_connection = get_hfp_hf_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_activate_calling_line_notification = 1; 1511 hfp_run_for_context(hfp_connection); 1512 } 1513 1514 void hfp_hf_deactivate_calling_line_notification(hci_con_handle_t acl_handle){ 1515 hfp_connection_t * hfp_connection = get_hfp_hf_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_deactivate_calling_line_notification = 1; 1522 hfp_run_for_context(hfp_connection); 1523 } 1524 1525 1526 void hfp_hf_activate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1527 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1528 if (!hfp_connection) { 1529 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1530 return; 1531 } 1532 1533 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 1; 1534 hfp_run_for_context(hfp_connection); 1535 } 1536 1537 void hfp_hf_deactivate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1538 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1539 if (!hfp_connection) { 1540 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1541 return; 1542 } 1543 1544 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 1; 1545 hfp_run_for_context(hfp_connection); 1546 } 1547 1548 void hfp_hf_activate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1549 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1550 if (!hfp_connection) { 1551 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1552 return; 1553 } 1554 1555 hfp_connection->hf_activate_voice_recognition_notification = 1; 1556 hfp_run_for_context(hfp_connection); 1557 } 1558 1559 void hfp_hf_deactivate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1560 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1561 if (!hfp_connection) { 1562 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1563 return; 1564 } 1565 1566 hfp_connection->hf_deactivate_voice_recognition_notification = 1; 1567 hfp_run_for_context(hfp_connection); 1568 } 1569 1570 void hfp_hf_set_microphone_gain(hci_con_handle_t acl_handle, int gain){ 1571 hfp_connection_t * hfp_connection = get_hfp_hf_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 if (hfp_connection->microphone_gain == gain) return; 1578 if (gain < 0 || gain > 15){ 1579 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1580 return; 1581 } 1582 hfp_connection->microphone_gain = gain; 1583 hfp_connection->send_microphone_gain = 1; 1584 hfp_run_for_context(hfp_connection); 1585 } 1586 1587 void hfp_hf_set_speaker_gain(hci_con_handle_t acl_handle, int gain){ 1588 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1589 if (!hfp_connection) { 1590 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1591 return; 1592 } 1593 1594 if (hfp_connection->speaker_gain == gain) return; 1595 if (gain < 0 || gain > 15){ 1596 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1597 return; 1598 } 1599 hfp_connection->speaker_gain = gain; 1600 hfp_connection->send_speaker_gain = 1; 1601 hfp_run_for_context(hfp_connection); 1602 } 1603 1604 void hfp_hf_send_dtmf_code(hci_con_handle_t acl_handle, char code){ 1605 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1606 if (!hfp_connection) { 1607 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1608 return; 1609 } 1610 1611 hfp_connection->hf_send_dtmf_code = code; 1612 hfp_run_for_context(hfp_connection); 1613 } 1614 1615 void hfp_hf_request_phone_number_for_voice_tag(hci_con_handle_t acl_handle){ 1616 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1617 if (!hfp_connection) { 1618 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1619 return; 1620 } 1621 hfp_connection->hf_send_binp = 1; 1622 hfp_run_for_context(hfp_connection); 1623 } 1624 1625 void hfp_hf_query_current_call_status(hci_con_handle_t acl_handle){ 1626 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1627 if (!hfp_connection) { 1628 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1629 return; 1630 } 1631 hfp_connection->hf_send_clcc = 1; 1632 hfp_run_for_context(hfp_connection); 1633 } 1634 1635 1636 void hfp_hf_rrh_query_status(hci_con_handle_t acl_handle){ 1637 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1638 if (!hfp_connection) { 1639 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1640 return; 1641 } 1642 hfp_connection->hf_send_rrh = 1; 1643 hfp_connection->hf_send_rrh_command = '?'; 1644 hfp_run_for_context(hfp_connection); 1645 } 1646 1647 void hfp_hf_rrh_hold_call(hci_con_handle_t acl_handle){ 1648 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1649 if (!hfp_connection) { 1650 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1651 return; 1652 } 1653 hfp_connection->hf_send_rrh = 1; 1654 hfp_connection->hf_send_rrh_command = '0'; 1655 hfp_run_for_context(hfp_connection); 1656 } 1657 1658 void hfp_hf_rrh_accept_held_call(hci_con_handle_t acl_handle){ 1659 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1660 if (!hfp_connection) { 1661 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1662 return; 1663 } 1664 hfp_connection->hf_send_rrh = 1; 1665 hfp_connection->hf_send_rrh_command = '1'; 1666 hfp_run_for_context(hfp_connection); 1667 } 1668 1669 void hfp_hf_rrh_reject_held_call(hci_con_handle_t acl_handle){ 1670 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1671 if (!hfp_connection) { 1672 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1673 return; 1674 } 1675 hfp_connection->hf_send_rrh = 1; 1676 hfp_connection->hf_send_rrh_command = '2'; 1677 hfp_run_for_context(hfp_connection); 1678 } 1679 1680 void hfp_hf_query_subscriber_number(hci_con_handle_t acl_handle){ 1681 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1682 if (!hfp_connection) { 1683 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1684 return; 1685 } 1686 hfp_connection->hf_send_cnum = 1; 1687 hfp_run_for_context(hfp_connection); 1688 } 1689 1690 void hfp_hf_set_hf_indicator(hci_con_handle_t acl_handle, int assigned_number, int value){ 1691 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1692 if (!hfp_connection) { 1693 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1694 return; 1695 } 1696 // find index for assigned number 1697 int i; 1698 for (i = 0; i < hfp_indicators_nr ; i++){ 1699 if (hfp_indicators[i] == assigned_number){ 1700 // set value 1701 hfp_indicators_value[i] = value; 1702 // mark for update 1703 if (hfp_connection->state > HFP_LIST_GENERIC_STATUS_INDICATORS){ 1704 hfp_connection->generic_status_update_bitmap |= (1<<i); 1705 // send update 1706 hfp_run_for_context(hfp_connection); 1707 } 1708 return; 1709 } 1710 } 1711 } 1712 1713 int hfp_hf_in_band_ringtone_active(hci_con_handle_t acl_handle){ 1714 hfp_connection_t * hfp_connection = get_hfp_hf_connection_context_for_acl_handle(acl_handle); 1715 if (!hfp_connection) { 1716 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1717 return 0; 1718 } 1719 return get_bit(hfp_connection->remote_supported_features, HFP_AGSF_IN_BAND_RING_TONE); 1720 } 1721