1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define __BTSTACK_FILE__ "hfp_hf.c" 39 40 // ***************************************************************************** 41 // 42 // HFP Hands-Free (HF) unit 43 // 44 // ***************************************************************************** 45 46 #include "btstack_config.h" 47 48 #include <stdint.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 53 #include "bluetooth_sdp.h" 54 #include "btstack_debug.h" 55 #include "btstack_memory.h" 56 #include "btstack_run_loop.h" 57 #include "classic/core.h" 58 #include "classic/hfp.h" 59 #include "classic/hfp_hf.h" 60 #include "classic/sdp_client_rfcomm.h" 61 #include "classic/sdp_server.h" 62 #include "classic/sdp_util.h" 63 #include "hci.h" 64 #include "hci_cmd.h" 65 #include "hci_dump.h" 66 #include "l2cap.h" 67 68 static const char default_hfp_hf_service_name[] = "Hands-Free unit"; 69 static uint16_t hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 70 static uint8_t hfp_codecs_nr = 0; 71 static uint8_t hfp_codecs[HFP_MAX_NUM_CODECS]; 72 73 static uint8_t hfp_indicators_nr = 0; 74 static uint8_t hfp_indicators[HFP_MAX_NUM_HF_INDICATORS]; 75 static uint32_t hfp_indicators_value[HFP_MAX_NUM_HF_INDICATORS]; 76 77 static uint8_t hfp_hf_speaker_gain = 9; 78 static uint8_t hfp_hf_microphone_gain = 9; 79 80 static btstack_packet_handler_t hfp_callback; 81 82 static hfp_call_status_t hfp_call_status; 83 static hfp_callsetup_status_t hfp_callsetup_status; 84 static hfp_callheld_status_t hfp_callheld_status; 85 86 static char phone_number[25]; 87 88 static btstack_packet_callback_registration_t hci_event_callback_registration; 89 90 void hfp_hf_register_packet_handler(btstack_packet_handler_t callback){ 91 hfp_callback = callback; 92 if (callback == NULL){ 93 log_error("hfp_hf_register_packet_handler called with NULL callback"); 94 return; 95 } 96 hfp_callback = callback; 97 hfp_set_callback(callback); 98 } 99 100 static void hfp_hf_emit_subscriber_information(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t status, uint8_t bnip_type, const char * bnip_number){ 101 if (!callback) return; 102 uint8_t event[31]; 103 event[0] = HCI_EVENT_HFP_META; 104 event[1] = sizeof(event) - 2; 105 event[2] = event_subtype; 106 event[3] = status; 107 event[4] = bnip_type; 108 int size = (strlen(bnip_number) < sizeof(event) - 6) ? (int) strlen(bnip_number) : sizeof(event) - 6; 109 strncpy((char*)&event[5], bnip_number, size); 110 event[5 + size] = 0; 111 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 112 } 113 114 static void hfp_hf_emit_type_and_number(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t bnip_type, const char * bnip_number){ 115 if (!callback) return; 116 uint8_t event[30]; 117 event[0] = HCI_EVENT_HFP_META; 118 event[1] = sizeof(event) - 2; 119 event[2] = event_subtype; 120 event[3] = bnip_type; 121 int size = (strlen(bnip_number) < sizeof(event) - 5) ? (int) strlen(bnip_number) : sizeof(event) - 5; 122 strncpy((char*)&event[4], bnip_number, size); 123 event[4 + size] = 0; 124 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 125 } 126 127 static void hfp_hf_emit_enhanced_call_status(btstack_packet_handler_t callback, uint8_t clcc_idx, uint8_t clcc_dir, 128 uint8_t clcc_status, uint8_t clcc_mpty, uint8_t bnip_type, const char * bnip_number){ 129 if (!callback) return; 130 uint8_t event[35]; 131 event[0] = HCI_EVENT_HFP_META; 132 event[1] = sizeof(event) - 2; 133 event[2] = HFP_SUBEVENT_ENHANCED_CALL_STATUS; 134 event[3] = clcc_idx; 135 event[4] = clcc_dir; 136 event[6] = clcc_status; 137 event[7] = clcc_mpty; 138 event[8] = bnip_type; 139 int size = (strlen(bnip_number) < sizeof(event) - 10) ? (int) strlen(bnip_number) : sizeof(event) - 10; 140 strncpy((char*)&event[9], bnip_number, size); 141 event[9 + size] = 0; 142 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 143 } 144 145 static int has_codec_negotiation_feature(hfp_connection_t * hfp_connection){ 146 int hf = get_bit(hfp_supported_features, HFP_HFSF_CODEC_NEGOTIATION); 147 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_CODEC_NEGOTIATION); 148 return hf && ag; 149 } 150 151 static int has_call_waiting_and_3way_calling_feature(hfp_connection_t * hfp_connection){ 152 int hf = get_bit(hfp_supported_features, HFP_HFSF_THREE_WAY_CALLING); 153 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_THREE_WAY_CALLING); 154 return hf && ag; 155 } 156 157 158 static int has_hf_indicators_feature(hfp_connection_t * hfp_connection){ 159 int hf = get_bit(hfp_supported_features, HFP_HFSF_HF_INDICATORS); 160 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_HF_INDICATORS); 161 return hf && ag; 162 } 163 164 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 165 166 void hfp_hf_create_sdp_record(uint8_t * service, uint32_t service_record_handle, int rfcomm_channel_nr, const char * name, uint16_t supported_features, int wide_band_speech){ 167 if (!name){ 168 name = default_hfp_hf_service_name; 169 } 170 hfp_create_sdp_record(service, service_record_handle, BLUETOOTH_SERVICE_CLASS_HANDSFREE, rfcomm_channel_nr, name); 171 172 // Construct SupportedFeatures for SDP bitmap: 173 // 174 // "The values of the “SupportedFeatures” bitmap given in Table 5.4 shall be the same as the values 175 // of the Bits 0 to 4 of the unsolicited result code +BRSF" 176 // 177 uint16_t sdp_features = supported_features & 0x1f; 178 if (supported_features & wide_band_speech){ 179 sdp_features |= 1 << 5; // Wide band speech bit 180 } 181 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); // Hands-Free Profile - SupportedFeatures 182 de_add_number(service, DE_UINT, DE_SIZE_16, sdp_features); 183 } 184 185 static int hfp_hf_cmd_exchange_supported_features(uint16_t cid){ 186 char buffer[20]; 187 sprintf(buffer, "AT%s=%d\r\n", HFP_SUPPORTED_FEATURES, hfp_supported_features); 188 // printf("exchange_supported_features %s\n", buffer); 189 return send_str_over_rfcomm(cid, buffer); 190 } 191 192 static int hfp_hf_cmd_notify_on_codecs(uint16_t cid){ 193 char buffer[30]; 194 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_AVAILABLE_CODECS); 195 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_codecs, hfp_codecs_nr); 196 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 197 buffer[offset] = 0; 198 return send_str_over_rfcomm(cid, buffer); 199 } 200 201 static int hfp_hf_cmd_retrieve_indicators(uint16_t cid){ 202 char buffer[20]; 203 sprintf(buffer, "AT%s=?\r\n", HFP_INDICATOR); 204 // printf("retrieve_indicators %s\n", buffer); 205 return send_str_over_rfcomm(cid, buffer); 206 } 207 208 static int hfp_hf_cmd_retrieve_indicators_status(uint16_t cid){ 209 char buffer[20]; 210 sprintf(buffer, "AT%s?\r\n", HFP_INDICATOR); 211 // printf("retrieve_indicators_status %s\n", buffer); 212 return send_str_over_rfcomm(cid, buffer); 213 } 214 215 static int hfp_hf_cmd_activate_status_update_for_all_ag_indicators(uint16_t cid, uint8_t activate){ 216 char buffer[20]; 217 sprintf(buffer, "AT%s=3,0,0,%d\r\n", HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS, activate); 218 // printf("toggle_indicator_status_update %s\n", buffer); 219 return send_str_over_rfcomm(cid, buffer); 220 } 221 222 static int hfp_hf_cmd_activate_status_update_for_ag_indicator(uint16_t cid, uint32_t indicators_status, int indicators_nr){ 223 char buffer[50]; 224 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS); 225 offset += join_bitmap(buffer+offset, sizeof(buffer)-offset, indicators_status, indicators_nr); 226 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 227 buffer[offset] = 0; 228 return send_str_over_rfcomm(cid, buffer); 229 } 230 231 static int hfp_hf_cmd_retrieve_can_hold_call(uint16_t cid){ 232 char buffer[20]; 233 sprintf(buffer, "AT%s=?\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES); 234 // printf("retrieve_can_hold_call %s\n", buffer); 235 return send_str_over_rfcomm(cid, buffer); 236 } 237 238 static int hfp_hf_cmd_list_supported_generic_status_indicators(uint16_t cid){ 239 char buffer[30]; 240 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_GENERIC_STATUS_INDICATOR); 241 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_indicators, hfp_indicators_nr); 242 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 243 buffer[offset] = 0; 244 return send_str_over_rfcomm(cid, buffer); 245 } 246 247 static int hfp_hf_cmd_retrieve_supported_generic_status_indicators(uint16_t cid){ 248 char buffer[20]; 249 sprintf(buffer, "AT%s=?\r\n", HFP_GENERIC_STATUS_INDICATOR); 250 // printf("retrieve_supported_generic_status_indicators %s\n", buffer); 251 return send_str_over_rfcomm(cid, buffer); 252 } 253 254 static int hfp_hf_cmd_list_initital_supported_generic_status_indicators(uint16_t cid){ 255 char buffer[20]; 256 sprintf(buffer, "AT%s?\r\n", HFP_GENERIC_STATUS_INDICATOR); 257 // printf("list_initital_supported_generic_status_indicators %s\n", buffer); 258 return send_str_over_rfcomm(cid, buffer); 259 } 260 261 static int hfp_hf_cmd_query_operator_name_format(uint16_t cid){ 262 char buffer[20]; 263 sprintf(buffer, "AT%s=3,0\r\n", HFP_QUERY_OPERATOR_SELECTION); 264 return send_str_over_rfcomm(cid, buffer); 265 } 266 267 static int hfp_hf_cmd_query_operator_name(uint16_t cid){ 268 char buffer[20]; 269 sprintf(buffer, "AT%s?\r\n", HFP_QUERY_OPERATOR_SELECTION); 270 return send_str_over_rfcomm(cid, buffer); 271 } 272 273 static int hfp_hf_cmd_enable_extended_audio_gateway_error_report(uint16_t cid, uint8_t enable){ 274 char buffer[20]; 275 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR, enable); 276 return send_str_over_rfcomm(cid, buffer); 277 } 278 279 static int hfp_hf_cmd_trigger_codec_connection_setup(uint16_t cid){ 280 char buffer[20]; 281 sprintf(buffer, "AT%s\r\n", HFP_TRIGGER_CODEC_CONNECTION_SETUP); 282 return send_str_over_rfcomm(cid, buffer); 283 } 284 285 static int hfp_hf_cmd_confirm_codec(uint16_t cid, uint8_t codec){ 286 char buffer[20]; 287 sprintf(buffer, "AT%s=%d\r\n", HFP_CONFIRM_COMMON_CODEC, codec); 288 return send_str_over_rfcomm(cid, buffer); 289 } 290 291 static int hfp_hf_cmd_ata(uint16_t cid){ 292 char buffer[10]; 293 sprintf(buffer, "%s\r\n", HFP_CALL_ANSWERED); 294 return send_str_over_rfcomm(cid, buffer); 295 } 296 297 static int hfp_hf_set_microphone_gain_cmd(uint16_t cid, int gain){ 298 char buffer[40]; 299 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_MICROPHONE_GAIN, gain); 300 return send_str_over_rfcomm(cid, buffer); 301 } 302 303 static int hfp_hf_set_speaker_gain_cmd(uint16_t cid, int gain){ 304 char buffer[40]; 305 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_SPEAKER_GAIN, gain); 306 return send_str_over_rfcomm(cid, buffer); 307 } 308 309 static int hfp_hf_set_calling_line_notification_cmd(uint16_t cid, uint8_t activate){ 310 char buffer[40]; 311 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CLIP, activate); 312 return send_str_over_rfcomm(cid, buffer); 313 } 314 315 static int hfp_hf_set_echo_canceling_and_noise_reduction_cmd(uint16_t cid, uint8_t activate){ 316 char buffer[40]; 317 sprintf(buffer, "AT%s=%d\r\n", HFP_TURN_OFF_EC_AND_NR, activate); 318 return send_str_over_rfcomm(cid, buffer); 319 } 320 321 static int hfp_hf_set_voice_recognition_notification_cmd(uint16_t cid, uint8_t activate){ 322 char buffer[40]; 323 sprintf(buffer, "AT%s=%d\r\n", HFP_ACTIVATE_VOICE_RECOGNITION, activate); 324 return send_str_over_rfcomm(cid, buffer); 325 } 326 327 static int hfp_hf_set_call_waiting_notification_cmd(uint16_t cid, uint8_t activate){ 328 char buffer[40]; 329 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CALL_WAITING_NOTIFICATION, activate); 330 return send_str_over_rfcomm(cid, buffer); 331 } 332 333 static int hfp_hf_initiate_outgoing_call_cmd(uint16_t cid){ 334 char buffer[40]; 335 sprintf(buffer, "%s%s;\r\n", HFP_CALL_PHONE_NUMBER, phone_number); 336 return send_str_over_rfcomm(cid, buffer); 337 } 338 339 static int hfp_hf_send_memory_dial_cmd(uint16_t cid, int memory_id){ 340 char buffer[40]; 341 sprintf(buffer, "%s>%d;\r\n", HFP_CALL_PHONE_NUMBER, memory_id); 342 return send_str_over_rfcomm(cid, buffer); 343 } 344 345 static int hfp_hf_send_redial_last_number_cmd(uint16_t cid){ 346 char buffer[20]; 347 sprintf(buffer, "AT%s\r\n", HFP_REDIAL_LAST_NUMBER); 348 return send_str_over_rfcomm(cid, buffer); 349 } 350 351 static int hfp_hf_send_chup(uint16_t cid){ 352 char buffer[20]; 353 sprintf(buffer, "AT%s\r\n", HFP_HANG_UP_CALL); 354 return send_str_over_rfcomm(cid, buffer); 355 } 356 357 static int hfp_hf_send_chld(uint16_t cid, unsigned int number){ 358 char buffer[20]; 359 sprintf(buffer, "AT%s=%u\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, number); 360 return send_str_over_rfcomm(cid, buffer); 361 } 362 363 static int hfp_hf_send_dtmf(uint16_t cid, char code){ 364 char buffer[20]; 365 sprintf(buffer, "AT%s=%c\r\n", HFP_TRANSMIT_DTMF_CODES, code); 366 return send_str_over_rfcomm(cid, buffer); 367 } 368 369 static int hfp_hf_send_binp(uint16_t cid){ 370 char buffer[20]; 371 sprintf(buffer, "AT%s=1\r\n", HFP_PHONE_NUMBER_FOR_VOICE_TAG); 372 return send_str_over_rfcomm(cid, buffer); 373 } 374 375 static int hfp_hf_send_clcc(uint16_t cid){ 376 char buffer[20]; 377 sprintf(buffer, "AT%s\r\n", HFP_LIST_CURRENT_CALLS); 378 return send_str_over_rfcomm(cid, buffer); 379 } 380 381 static void hfp_emit_ag_indicator_event(btstack_packet_handler_t callback, hfp_ag_indicator_t indicator){ 382 if (!callback) return; 383 uint8_t event[5+HFP_MAX_INDICATOR_DESC_SIZE+1]; 384 event[0] = HCI_EVENT_HFP_META; 385 event[1] = sizeof(event) - 2; 386 event[2] = HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED; 387 event[3] = indicator.index; 388 event[4] = indicator.status; 389 strncpy((char*)&event[5], indicator.name, HFP_MAX_INDICATOR_DESC_SIZE); 390 event[5+HFP_MAX_INDICATOR_DESC_SIZE] = 0; 391 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 392 } 393 394 static void hfp_emit_network_operator_event(btstack_packet_handler_t callback, hfp_network_opearator_t network_operator){ 395 if (!callback) return; 396 uint8_t event[24]; 397 event[0] = HCI_EVENT_HFP_META; 398 event[1] = sizeof(event) - 2; 399 event[2] = HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED; 400 event[3] = network_operator.mode; 401 event[4] = network_operator.format; 402 strcpy((char*)&event[5], network_operator.name); 403 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 404 } 405 406 static int hfp_hf_run_for_context_service_level_connection(hfp_connection_t * hfp_connection){ 407 if (hfp_connection->state >= HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 408 if (hfp_connection->ok_pending) return 0; 409 int done = 1; 410 411 switch (hfp_connection->state){ 412 case HFP_EXCHANGE_SUPPORTED_FEATURES: 413 hfp_hf_drop_mSBC_if_eSCO_not_supported(hfp_codecs, &hfp_codecs_nr); 414 hfp_connection->state = HFP_W4_EXCHANGE_SUPPORTED_FEATURES; 415 hfp_hf_cmd_exchange_supported_features(hfp_connection->rfcomm_cid); 416 break; 417 case HFP_NOTIFY_ON_CODECS: 418 hfp_connection->state = HFP_W4_NOTIFY_ON_CODECS; 419 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 420 break; 421 case HFP_RETRIEVE_INDICATORS: 422 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS; 423 hfp_hf_cmd_retrieve_indicators(hfp_connection->rfcomm_cid); 424 break; 425 case HFP_RETRIEVE_INDICATORS_STATUS: 426 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS_STATUS; 427 hfp_hf_cmd_retrieve_indicators_status(hfp_connection->rfcomm_cid); 428 break; 429 case HFP_ENABLE_INDICATORS_STATUS_UPDATE: 430 hfp_connection->state = HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE; 431 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, 1); 432 break; 433 case HFP_RETRIEVE_CAN_HOLD_CALL: 434 hfp_connection->state = HFP_W4_RETRIEVE_CAN_HOLD_CALL; 435 hfp_hf_cmd_retrieve_can_hold_call(hfp_connection->rfcomm_cid); 436 break; 437 case HFP_LIST_GENERIC_STATUS_INDICATORS: 438 hfp_connection->state = HFP_W4_LIST_GENERIC_STATUS_INDICATORS; 439 hfp_hf_cmd_list_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 440 break; 441 case HFP_RETRIEVE_GENERIC_STATUS_INDICATORS: 442 hfp_connection->state = HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS; 443 hfp_hf_cmd_retrieve_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 444 break; 445 case HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 446 hfp_connection->state = HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 447 hfp_hf_cmd_list_initital_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 448 break; 449 default: 450 done = 0; 451 break; 452 } 453 return done; 454 } 455 456 457 static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * hfp_connection){ 458 if (hfp_connection->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 459 if (hfp_connection->ok_pending) return 0; 460 461 int done = 0; 462 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 463 hfp_connection->ok_pending = 1; 464 done = 1; 465 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, hfp_connection->enable_status_update_for_ag_indicators); 466 return done; 467 }; 468 if (hfp_connection->change_status_update_for_individual_ag_indicators){ 469 hfp_connection->ok_pending = 1; 470 done = 1; 471 hfp_hf_cmd_activate_status_update_for_ag_indicator(hfp_connection->rfcomm_cid, 472 hfp_connection->ag_indicators_status_update_bitmap, 473 hfp_connection->ag_indicators_nr); 474 return done; 475 } 476 477 switch (hfp_connection->hf_query_operator_state){ 478 case HFP_HF_QUERY_OPERATOR_SET_FORMAT: 479 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK; 480 hfp_connection->ok_pending = 1; 481 hfp_hf_cmd_query_operator_name_format(hfp_connection->rfcomm_cid); 482 return 1; 483 case HFP_HF_QUERY_OPERATOR_SEND_QUERY: 484 hfp_connection->hf_query_operator_state = HPF_HF_QUERY_OPERATOR_W4_RESULT; 485 hfp_connection->ok_pending = 1; 486 hfp_hf_cmd_query_operator_name(hfp_connection->rfcomm_cid); 487 return 1; 488 default: 489 break; 490 } 491 492 if (hfp_connection->enable_extended_audio_gateway_error_report){ 493 hfp_connection->ok_pending = 1; 494 done = 1; 495 hfp_hf_cmd_enable_extended_audio_gateway_error_report(hfp_connection->rfcomm_cid, hfp_connection->enable_extended_audio_gateway_error_report); 496 return done; 497 } 498 499 return done; 500 } 501 502 static int codecs_exchange_state_machine(hfp_connection_t * hfp_connection){ 503 /* events ( == commands): 504 HFP_CMD_AVAILABLE_CODECS == received AT+BAC with list of codecs 505 HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 506 hf_trigger_codec_connection_setup == received BCC 507 ag_trigger_codec_connection_setup == received from AG to send BCS 508 HFP_CMD_HF_CONFIRMED_CODEC == received AT+BCS 509 */ 510 511 if (hfp_connection->ok_pending) return 0; 512 513 switch (hfp_connection->command){ 514 case HFP_CMD_AVAILABLE_CODECS: 515 if (hfp_connection->codecs_state == HFP_CODECS_W4_AG_COMMON_CODEC) return 0; 516 517 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 518 hfp_connection->ok_pending = 1; 519 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 520 return 1; 521 case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 522 hfp_connection->codec_confirmed = 0; 523 hfp_connection->suggested_codec = 0; 524 hfp_connection->negotiated_codec = 0; 525 526 hfp_connection->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE; 527 hfp_connection->ok_pending = 1; 528 hfp_hf_cmd_trigger_codec_connection_setup(hfp_connection->rfcomm_cid); 529 break; 530 531 case HFP_CMD_AG_SUGGESTED_CODEC:{ 532 if (hfp_supports_codec(hfp_connection->suggested_codec, hfp_codecs_nr, hfp_codecs)){ 533 hfp_connection->codec_confirmed = hfp_connection->suggested_codec; 534 hfp_connection->ok_pending = 1; 535 hfp_connection->codecs_state = HFP_CODECS_HF_CONFIRMED_CODEC; 536 hfp_connection->negotiated_codec = hfp_connection->suggested_codec; 537 log_info("hfp: codec confirmed: %s", hfp_connection->negotiated_codec == HFP_CODEC_MSBC ? "mSBC" : "CVSD"); 538 hfp_hf_cmd_confirm_codec(hfp_connection->rfcomm_cid, hfp_connection->codec_confirmed); 539 } else { 540 hfp_connection->codec_confirmed = 0; 541 hfp_connection->suggested_codec = 0; 542 hfp_connection->negotiated_codec = 0; 543 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 544 hfp_connection->ok_pending = 1; 545 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 546 547 } 548 break; 549 } 550 default: 551 break; 552 } 553 return 0; 554 } 555 556 static int hfp_hf_run_for_audio_connection(hfp_connection_t * hfp_connection){ 557 if (hfp_connection->state < HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED || 558 hfp_connection->state > HFP_W2_DISCONNECT_SCO) return 0; 559 560 561 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED && hfp_connection->release_audio_connection){ 562 hfp_connection->state = HFP_W4_SCO_DISCONNECTED; 563 hfp_connection->release_audio_connection = 0; 564 gap_disconnect(hfp_connection->sco_handle); 565 return 1; 566 } 567 568 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return 0; 569 570 // run codecs exchange 571 int done = codecs_exchange_state_machine(hfp_connection); 572 if (done) return 1; 573 574 return 0; 575 } 576 577 static int call_setup_state_machine(hfp_connection_t * hfp_connection){ 578 if (hfp_connection->hf_answer_incoming_call){ 579 hfp_hf_cmd_ata(hfp_connection->rfcomm_cid); 580 hfp_connection->hf_answer_incoming_call = 0; 581 return 1; 582 } 583 return 0; 584 } 585 586 static void hfp_run_for_context(hfp_connection_t * hfp_connection){ 587 if (!hfp_connection) return; 588 if (!hfp_connection->rfcomm_cid) return; 589 590 if (hfp_connection->hf_accept_sco && hci_can_send_command_packet_now()){ 591 592 hfp_connection->hf_accept_sco = 0; 593 594 // notify about codec selection if not done already 595 if (hfp_connection->negotiated_codec == 0){ 596 hfp_connection->negotiated_codec = HFP_CODEC_CVSD; 597 } 598 599 // remote supported feature eSCO is set if link type is eSCO 600 // eSCO: S4 - max latency == transmission interval = 0x000c == 12 ms, 601 uint16_t max_latency; 602 uint8_t retransmission_effort; 603 uint16_t packet_types; 604 605 if (hci_extended_sco_link_supported() && hci_remote_esco_supported(hfp_connection->acl_handle)){ 606 max_latency = 0x000c; 607 retransmission_effort = 0x02; 608 packet_types = 0x388; 609 } else { 610 max_latency = 0xffff; 611 retransmission_effort = 0xff; 612 packet_types = 0x003f; 613 } 614 615 uint16_t sco_voice_setting = hci_get_sco_voice_setting(); 616 if (hfp_connection->negotiated_codec == HFP_CODEC_MSBC){ 617 sco_voice_setting = 0x0043; // Transparent data 618 } 619 620 log_info("HFP: sending hci_accept_connection_request, sco_voice_setting 0x%02x", sco_voice_setting); 621 hci_send_cmd(&hci_accept_synchronous_connection, hfp_connection->remote_addr, 8000, 8000, max_latency, 622 sco_voice_setting, retransmission_effort, packet_types); 623 return; 624 } 625 626 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) return; 627 628 int done = hfp_hf_run_for_context_service_level_connection(hfp_connection); 629 if (!done){ 630 done = hfp_hf_run_for_context_service_level_connection_queries(hfp_connection); 631 } 632 if (!done){ 633 done = hfp_hf_run_for_audio_connection(hfp_connection); 634 } 635 if (!done){ 636 done = call_setup_state_machine(hfp_connection); 637 } 638 639 // don't send a new command while ok still pending 640 if (hfp_connection->ok_pending) return; 641 642 if (hfp_connection->send_microphone_gain){ 643 hfp_connection->send_microphone_gain = 0; 644 hfp_connection->ok_pending = 1; 645 hfp_hf_set_microphone_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->microphone_gain); 646 return; 647 } 648 649 if (hfp_connection->send_speaker_gain){ 650 hfp_connection->send_speaker_gain = 0; 651 hfp_connection->ok_pending = 1; 652 hfp_hf_set_speaker_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->speaker_gain); 653 return; 654 } 655 656 if (hfp_connection->hf_deactivate_calling_line_notification){ 657 hfp_connection->hf_deactivate_calling_line_notification = 0; 658 hfp_connection->ok_pending = 1; 659 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 0); 660 return; 661 } 662 663 if (hfp_connection->hf_activate_calling_line_notification){ 664 hfp_connection->hf_activate_calling_line_notification = 0; 665 hfp_connection->ok_pending = 1; 666 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 1); 667 return; 668 } 669 670 if (hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction){ 671 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 0; 672 hfp_connection->ok_pending = 1; 673 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 0); 674 return; 675 } 676 677 if (hfp_connection->hf_activate_echo_canceling_and_noise_reduction){ 678 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 0; 679 hfp_connection->ok_pending = 1; 680 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 1); 681 return; 682 } 683 684 if (hfp_connection->hf_deactivate_voice_recognition_notification){ 685 hfp_connection->hf_deactivate_voice_recognition_notification = 0; 686 hfp_connection->ok_pending = 1; 687 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 0); 688 return; 689 } 690 691 if (hfp_connection->hf_activate_voice_recognition_notification){ 692 hfp_connection->hf_activate_voice_recognition_notification = 0; 693 hfp_connection->ok_pending = 1; 694 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 1); 695 return; 696 } 697 698 699 if (hfp_connection->hf_deactivate_call_waiting_notification){ 700 hfp_connection->hf_deactivate_call_waiting_notification = 0; 701 hfp_connection->ok_pending = 1; 702 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 0); 703 return; 704 } 705 706 if (hfp_connection->hf_activate_call_waiting_notification){ 707 hfp_connection->hf_activate_call_waiting_notification = 0; 708 hfp_connection->ok_pending = 1; 709 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 1); 710 return; 711 } 712 713 if (hfp_connection->hf_initiate_outgoing_call){ 714 hfp_connection->hf_initiate_outgoing_call = 0; 715 hfp_connection->ok_pending = 1; 716 hfp_hf_initiate_outgoing_call_cmd(hfp_connection->rfcomm_cid); 717 return; 718 } 719 720 if (hfp_connection->hf_initiate_memory_dialing){ 721 hfp_connection->hf_initiate_memory_dialing = 0; 722 hfp_connection->ok_pending = 1; 723 hfp_hf_send_memory_dial_cmd(hfp_connection->rfcomm_cid, hfp_connection->memory_id); 724 return; 725 } 726 727 if (hfp_connection->hf_initiate_redial_last_number){ 728 hfp_connection->hf_initiate_redial_last_number = 0; 729 hfp_connection->ok_pending = 1; 730 hfp_hf_send_redial_last_number_cmd(hfp_connection->rfcomm_cid); 731 return; 732 } 733 734 if (hfp_connection->hf_send_chup){ 735 hfp_connection->hf_send_chup = 0; 736 hfp_connection->ok_pending = 1; 737 hfp_hf_send_chup(hfp_connection->rfcomm_cid); 738 return; 739 } 740 741 if (hfp_connection->hf_send_chld_0){ 742 hfp_connection->hf_send_chld_0 = 0; 743 hfp_connection->ok_pending = 1; 744 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 0); 745 return; 746 } 747 748 if (hfp_connection->hf_send_chld_1){ 749 hfp_connection->hf_send_chld_1 = 0; 750 hfp_connection->ok_pending = 1; 751 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 1); 752 return; 753 } 754 755 if (hfp_connection->hf_send_chld_2){ 756 hfp_connection->hf_send_chld_2 = 0; 757 hfp_connection->ok_pending = 1; 758 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 2); 759 return; 760 } 761 762 if (hfp_connection->hf_send_chld_3){ 763 hfp_connection->hf_send_chld_3 = 0; 764 hfp_connection->ok_pending = 1; 765 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 3); 766 return; 767 } 768 769 if (hfp_connection->hf_send_chld_4){ 770 hfp_connection->hf_send_chld_4 = 0; 771 hfp_connection->ok_pending = 1; 772 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 4); 773 return; 774 } 775 776 if (hfp_connection->hf_send_chld_x){ 777 hfp_connection->hf_send_chld_x = 0; 778 hfp_connection->ok_pending = 1; 779 hfp_hf_send_chld(hfp_connection->rfcomm_cid, hfp_connection->hf_send_chld_x_index); 780 return; 781 } 782 783 if (hfp_connection->hf_send_dtmf_code){ 784 char code = hfp_connection->hf_send_dtmf_code; 785 hfp_connection->hf_send_dtmf_code = 0; 786 hfp_connection->ok_pending = 1; 787 hfp_hf_send_dtmf(hfp_connection->rfcomm_cid, code); 788 return; 789 } 790 791 if (hfp_connection->hf_send_binp){ 792 hfp_connection->hf_send_binp = 0; 793 hfp_connection->ok_pending = 1; 794 hfp_hf_send_binp(hfp_connection->rfcomm_cid); 795 return; 796 } 797 798 if (hfp_connection->hf_send_clcc){ 799 hfp_connection->hf_send_clcc = 0; 800 hfp_connection->ok_pending = 1; 801 hfp_hf_send_clcc(hfp_connection->rfcomm_cid); 802 return; 803 } 804 805 if (hfp_connection->hf_send_rrh){ 806 hfp_connection->hf_send_rrh = 0; 807 char buffer[20]; 808 switch (hfp_connection->hf_send_rrh_command){ 809 case '?': 810 sprintf(buffer, "AT%s?\r\n", HFP_RESPONSE_AND_HOLD); 811 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 812 return; 813 case '0': 814 case '1': 815 case '2': 816 sprintf(buffer, "AT%s=%c\r\n", HFP_RESPONSE_AND_HOLD, hfp_connection->hf_send_rrh_command); 817 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 818 return; 819 default: 820 break; 821 } 822 return; 823 } 824 825 if (hfp_connection->hf_send_cnum){ 826 hfp_connection->hf_send_cnum = 0; 827 char buffer[20]; 828 sprintf(buffer, "AT%s\r\n", HFP_SUBSCRIBER_NUMBER_INFORMATION); 829 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 830 return; 831 } 832 833 // update HF indicators 834 if (hfp_connection->generic_status_update_bitmap){ 835 int i; 836 for (i=0;i<hfp_indicators_nr;i++){ 837 if (get_bit(hfp_connection->generic_status_update_bitmap, i)){ 838 if (hfp_connection->generic_status_indicators[i].state){ 839 hfp_connection->ok_pending = 1; 840 hfp_connection->generic_status_update_bitmap = store_bit(hfp_connection->generic_status_update_bitmap, i, 0); 841 char buffer[30]; 842 sprintf(buffer, "AT%s=%u,%u\r\n", HFP_TRANSFER_HF_INDICATOR_STATUS, hfp_indicators[i], (unsigned int) hfp_indicators_value[i]); 843 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 844 } else { 845 log_info("Not sending HF indicator %u as it is disabled", hfp_indicators[i]); 846 } 847 return; 848 } 849 } 850 } 851 852 if (done) return; 853 // deal with disconnect 854 switch (hfp_connection->state){ 855 case HFP_W2_DISCONNECT_RFCOMM: 856 hfp_connection->state = HFP_W4_RFCOMM_DISCONNECTED; 857 rfcomm_disconnect(hfp_connection->rfcomm_cid); 858 break; 859 860 default: 861 break; 862 } 863 } 864 865 static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){ 866 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED; 867 868 hfp_emit_slc_connection_event(hfp_callback, 0, hfp_connection->acl_handle, hfp_connection->remote_addr); 869 870 // restore volume settings 871 hfp_connection->speaker_gain = hfp_hf_speaker_gain; 872 hfp_connection->send_speaker_gain = 1; 873 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, hfp_hf_speaker_gain); 874 hfp_connection->microphone_gain = hfp_hf_microphone_gain; 875 hfp_connection->send_microphone_gain = 1; 876 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, hfp_hf_microphone_gain); 877 // enable all indicators 878 int i; 879 for (i=0;i<hfp_indicators_nr;i++){ 880 hfp_connection->generic_status_indicators[i].uuid = hfp_indicators[i]; 881 hfp_connection->generic_status_indicators[i].state = 1; 882 } 883 } 884 885 static void hfp_hf_switch_on_ok(hfp_connection_t *hfp_connection){ 886 hfp_connection->ok_pending = 0; 887 switch (hfp_connection->state){ 888 case HFP_W4_EXCHANGE_SUPPORTED_FEATURES: 889 if (has_codec_negotiation_feature(hfp_connection)){ 890 hfp_connection->state = HFP_NOTIFY_ON_CODECS; 891 break; 892 } 893 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 894 break; 895 896 case HFP_W4_NOTIFY_ON_CODECS: 897 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 898 break; 899 900 case HFP_W4_RETRIEVE_INDICATORS: 901 hfp_connection->state = HFP_RETRIEVE_INDICATORS_STATUS; 902 break; 903 904 case HFP_W4_RETRIEVE_INDICATORS_STATUS: 905 hfp_connection->state = HFP_ENABLE_INDICATORS_STATUS_UPDATE; 906 break; 907 908 case HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE: 909 if (has_call_waiting_and_3way_calling_feature(hfp_connection)){ 910 hfp_connection->state = HFP_RETRIEVE_CAN_HOLD_CALL; 911 break; 912 } 913 if (has_hf_indicators_feature(hfp_connection)){ 914 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 915 break; 916 } 917 hfp_ag_slc_established(hfp_connection); 918 break; 919 920 case HFP_W4_RETRIEVE_CAN_HOLD_CALL: 921 if (has_hf_indicators_feature(hfp_connection)){ 922 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 923 break; 924 } 925 hfp_ag_slc_established(hfp_connection); 926 break; 927 928 case HFP_W4_LIST_GENERIC_STATUS_INDICATORS: 929 hfp_connection->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS; 930 break; 931 932 case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS: 933 hfp_connection->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 934 break; 935 936 case HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 937 hfp_ag_slc_established(hfp_connection); 938 break; 939 case HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 940 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 941 hfp_connection->enable_status_update_for_ag_indicators = 0xFF; 942 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 943 break; 944 } 945 946 if (hfp_connection->change_status_update_for_individual_ag_indicators == 1){ 947 hfp_connection->change_status_update_for_individual_ag_indicators = 0; 948 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 949 break; 950 } 951 952 switch (hfp_connection->hf_query_operator_state){ 953 case HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK: 954 // printf("Format set, querying name\n"); 955 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 956 break; 957 case HPF_HF_QUERY_OPERATOR_W4_RESULT: 958 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_FORMAT_SET; 959 hfp_emit_network_operator_event(hfp_callback, hfp_connection->network_operator); 960 break; 961 default: 962 break; 963 } 964 965 if (hfp_connection->enable_extended_audio_gateway_error_report){ 966 hfp_connection->enable_extended_audio_gateway_error_report = 0; 967 break; 968 } 969 970 switch (hfp_connection->codecs_state){ 971 case HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE: 972 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 973 break; 974 case HFP_CODECS_HF_CONFIRMED_CODEC: 975 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 976 break; 977 default: 978 break; 979 } 980 break; 981 default: 982 break; 983 } 984 985 // done 986 hfp_connection->command = HFP_CMD_NONE; 987 } 988 989 990 static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 991 UNUSED(packet_type); 992 993 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_rfcomm_cid(channel); 994 if (!hfp_connection) return; 995 996 char last_char = packet[size-1]; 997 packet[size-1] = 0; 998 log_info("HFP_RX %s", packet); 999 packet[size-1] = last_char; 1000 1001 int pos, i, value; 1002 for (pos = 0; pos < size ; pos++){ 1003 hfp_parse(hfp_connection, packet[pos], 1); 1004 } 1005 1006 switch (hfp_connection->command){ 1007 case HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION: 1008 hfp_connection->command = HFP_CMD_NONE; 1009 // printf("Subscriber Number: number %s, type %u\n", hfp_connection->bnip_number, hfp_connection->bnip_type); 1010 hfp_hf_emit_subscriber_information(hfp_callback, HFP_SUBEVENT_SUBSCRIBER_NUMBER_INFORMATION, 0, hfp_connection->bnip_type, hfp_connection->bnip_number); 1011 break; 1012 case HFP_CMD_RESPONSE_AND_HOLD_STATUS: 1013 hfp_connection->command = HFP_CMD_NONE; 1014 // printf("Response and Hold status: %s\n", hfp_connection->line_buffer); 1015 hfp_emit_event(hfp_callback, HFP_SUBEVENT_RESPONSE_AND_HOLD_STATUS, btstack_atoi((char *)&hfp_connection->line_buffer[0])); 1016 break; 1017 case HFP_CMD_LIST_CURRENT_CALLS: 1018 hfp_connection->command = HFP_CMD_NONE; 1019 // printf("Enhanced Call Status: idx %u, dir %u, status %u, mpty %u, number %s, type %u\n", 1020 // hfp_connection->clcc_idx, hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1021 // hfp_connection->bnip_number, hfp_connection->bnip_type); 1022 hfp_hf_emit_enhanced_call_status(hfp_callback, hfp_connection->clcc_idx, 1023 hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1024 hfp_connection->bnip_type, hfp_connection->bnip_number); 1025 break; 1026 case HFP_CMD_SET_SPEAKER_GAIN: 1027 hfp_connection->command = HFP_CMD_NONE; 1028 value = btstack_atoi((char*)hfp_connection->line_buffer); 1029 hfp_hf_speaker_gain = value; 1030 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, value); 1031 break; 1032 case HFP_CMD_SET_MICROPHONE_GAIN: 1033 hfp_connection->command = HFP_CMD_NONE; 1034 value = btstack_atoi((char*)hfp_connection->line_buffer); 1035 hfp_hf_microphone_gain = value; 1036 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, value); 1037 break; 1038 case HFP_CMD_AG_SENT_PHONE_NUMBER: 1039 hfp_connection->command = HFP_CMD_NONE; 1040 hfp_emit_string_event(hfp_callback, HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG, hfp_connection->bnip_number); 1041 break; 1042 case HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE: 1043 hfp_connection->command = HFP_CMD_NONE; 1044 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALL_WAITING_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1045 break; 1046 case HFP_CMD_AG_SENT_CLIP_INFORMATION: 1047 hfp_connection->command = HFP_CMD_NONE; 1048 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1049 break; 1050 case HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR: 1051 hfp_connection->ok_pending = 0; 1052 hfp_connection->command = HFP_CMD_NONE; 1053 hfp_connection->extended_audio_gateway_error = 0; 1054 hfp_emit_event(hfp_callback, HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR, hfp_connection->extended_audio_gateway_error_value); 1055 break; 1056 case HFP_CMD_ERROR: 1057 hfp_connection->ok_pending = 0; 1058 hfp_reset_context_flags(hfp_connection); 1059 hfp_connection->command = HFP_CMD_NONE; 1060 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 1); 1061 break; 1062 case HFP_CMD_OK: 1063 hfp_hf_switch_on_ok(hfp_connection); 1064 break; 1065 case HFP_CMD_RING: 1066 hfp_emit_simple_event(hfp_callback, HFP_SUBEVENT_RING); 1067 break; 1068 case HFP_CMD_TRANSFER_AG_INDICATOR_STATUS: 1069 for (i = 0; i < hfp_connection->ag_indicators_nr; i++){ 1070 if (hfp_connection->ag_indicators[i].status_changed) { 1071 if (strcmp(hfp_connection->ag_indicators[i].name, "callsetup") == 0){ 1072 hfp_callsetup_status = (hfp_callsetup_status_t) hfp_connection->ag_indicators[i].status; 1073 } else if (strcmp(hfp_connection->ag_indicators[i].name, "callheld") == 0){ 1074 hfp_callheld_status = (hfp_callheld_status_t) hfp_connection->ag_indicators[i].status; 1075 // avoid set but not used warning 1076 (void) hfp_callheld_status; 1077 } else if (strcmp(hfp_connection->ag_indicators[i].name, "call") == 0){ 1078 hfp_call_status = (hfp_call_status_t) hfp_connection->ag_indicators[i].status; 1079 } 1080 hfp_connection->ag_indicators[i].status_changed = 0; 1081 hfp_emit_ag_indicator_event(hfp_callback, hfp_connection->ag_indicators[i]); 1082 break; 1083 } 1084 } 1085 break; 1086 default: 1087 break; 1088 } 1089 hfp_run_for_context(hfp_connection); 1090 } 1091 1092 static void hfp_run(void){ 1093 btstack_linked_list_iterator_t it; 1094 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1095 while (btstack_linked_list_iterator_has_next(&it)){ 1096 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1097 hfp_run_for_context(hfp_connection); 1098 } 1099 } 1100 1101 static void 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_handle_rfcomm_event(packet_type, channel, packet, size); 1105 break; 1106 case HCI_EVENT_PACKET: 1107 hfp_handle_hci_event(packet_type, channel, packet, size); 1108 break; 1109 default: 1110 break; 1111 } 1112 hfp_run(); 1113 } 1114 1115 void hfp_hf_init(uint16_t rfcomm_channel_nr){ 1116 // register for HCI events 1117 hci_event_callback_registration.callback = &packet_handler; 1118 hci_add_event_handler(&hci_event_callback_registration); 1119 1120 rfcomm_register_service(packet_handler, rfcomm_channel_nr, 0xffff); 1121 1122 hfp_set_packet_handler_for_rfcomm_connections(&packet_handler); 1123 1124 hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 1125 hfp_codecs_nr = 0; 1126 hfp_indicators_nr = 0; 1127 hfp_hf_speaker_gain = 9; 1128 hfp_hf_microphone_gain = 9; 1129 } 1130 1131 void hfp_hf_init_codecs(int codecs_nr, uint8_t * codecs){ 1132 if (codecs_nr > HFP_MAX_NUM_CODECS){ 1133 log_error("hfp_hf_init_codecs: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS); 1134 return; 1135 } 1136 1137 hfp_codecs_nr = codecs_nr; 1138 int i; 1139 for (i=0; i<codecs_nr; i++){ 1140 hfp_codecs[i] = codecs[i]; 1141 } 1142 } 1143 1144 void hfp_hf_init_supported_features(uint32_t supported_features){ 1145 hfp_supported_features = supported_features; 1146 } 1147 1148 void hfp_hf_init_hf_indicators(int indicators_nr, uint16_t * indicators){ 1149 hfp_indicators_nr = indicators_nr; 1150 int i; 1151 for (i = 0; i < hfp_indicators_nr ; i++){ 1152 hfp_indicators[i] = indicators[i]; 1153 } 1154 } 1155 1156 void hfp_hf_establish_service_level_connection(bd_addr_t bd_addr){ 1157 hfp_establish_service_level_connection(bd_addr, BLUETOOTH_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY); 1158 } 1159 1160 void hfp_hf_release_service_level_connection(hci_con_handle_t acl_handle){ 1161 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1162 if (!hfp_connection) { 1163 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1164 return; 1165 } 1166 hfp_release_service_level_connection(hfp_connection); 1167 hfp_run_for_context(hfp_connection); 1168 } 1169 1170 static void hfp_hf_set_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle, uint8_t enable){ 1171 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1172 if (!hfp_connection) { 1173 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1174 return; 1175 } 1176 hfp_connection->enable_status_update_for_ag_indicators = enable; 1177 hfp_run_for_context(hfp_connection); 1178 } 1179 1180 void hfp_hf_enable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1181 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 1); 1182 } 1183 1184 void hfp_hf_disable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1185 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 0); 1186 } 1187 1188 // TODO: returned ERROR - wrong format 1189 void hfp_hf_set_status_update_for_individual_ag_indicators(hci_con_handle_t acl_handle, uint32_t indicators_status_bitmap){ 1190 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1191 if (!hfp_connection) { 1192 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1193 return; 1194 } 1195 hfp_connection->change_status_update_for_individual_ag_indicators = 1; 1196 hfp_connection->ag_indicators_status_update_bitmap = indicators_status_bitmap; 1197 hfp_run_for_context(hfp_connection); 1198 } 1199 1200 void hfp_hf_query_operator_selection(hci_con_handle_t acl_handle){ 1201 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1202 if (!hfp_connection) { 1203 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1204 return; 1205 } 1206 switch (hfp_connection->hf_query_operator_state){ 1207 case HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET: 1208 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SET_FORMAT; 1209 break; 1210 case HFP_HF_QUERY_OPERATOR_FORMAT_SET: 1211 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 1212 break; 1213 default: 1214 break; 1215 } 1216 hfp_run_for_context(hfp_connection); 1217 } 1218 1219 static void hfp_hf_set_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle, uint8_t enable){ 1220 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1221 if (!hfp_connection) { 1222 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1223 return; 1224 } 1225 hfp_connection->enable_extended_audio_gateway_error_report = enable; 1226 hfp_run_for_context(hfp_connection); 1227 } 1228 1229 1230 void hfp_hf_enable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1231 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 1); 1232 } 1233 1234 void hfp_hf_disable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1235 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 0); 1236 } 1237 1238 1239 void hfp_hf_establish_audio_connection(hci_con_handle_t acl_handle){ 1240 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1241 if (!hfp_connection) { 1242 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1243 return; 1244 } 1245 hfp_connection->establish_audio_connection = 0; 1246 1247 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return; 1248 if (hfp_connection->state >= HFP_W2_DISCONNECT_SCO) return; 1249 1250 if (!has_codec_negotiation_feature(hfp_connection)){ 1251 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using defaults"); 1252 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 1253 hfp_connection->establish_audio_connection = 1; 1254 } else { 1255 switch (hfp_connection->codecs_state){ 1256 case HFP_CODECS_W4_AG_COMMON_CODEC: 1257 break; 1258 default: 1259 hfp_connection->command = HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP; 1260 break; 1261 } 1262 } 1263 1264 hfp_run_for_context(hfp_connection); 1265 } 1266 1267 void hfp_hf_release_audio_connection(hci_con_handle_t acl_handle){ 1268 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1269 if (!hfp_connection) { 1270 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1271 return; 1272 } 1273 hfp_release_audio_connection(hfp_connection); 1274 hfp_run_for_context(hfp_connection); 1275 } 1276 1277 void hfp_hf_answer_incoming_call(hci_con_handle_t acl_handle){ 1278 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1279 if (!hfp_connection) { 1280 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1281 return; 1282 } 1283 1284 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1285 hfp_connection->hf_answer_incoming_call = 1; 1286 hfp_run_for_context(hfp_connection); 1287 } else { 1288 log_error("HFP HF: answering incoming call with wrong callsetup status %u", hfp_callsetup_status); 1289 } 1290 } 1291 1292 void hfp_hf_terminate_call(hci_con_handle_t acl_handle){ 1293 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1294 if (!hfp_connection) { 1295 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1296 return; 1297 } 1298 hfp_connection->hf_send_chup = 1; 1299 hfp_run_for_context(hfp_connection); 1300 } 1301 1302 void hfp_hf_reject_incoming_call(hci_con_handle_t acl_handle){ 1303 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1304 if (!hfp_connection) { 1305 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1306 return; 1307 } 1308 1309 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1310 hfp_connection->hf_send_chup = 1; 1311 hfp_run_for_context(hfp_connection); 1312 } 1313 } 1314 1315 void hfp_hf_user_busy(hci_con_handle_t acl_handle){ 1316 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1317 if (!hfp_connection) { 1318 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1319 return; 1320 } 1321 1322 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1323 hfp_connection->hf_send_chld_0 = 1; 1324 hfp_run_for_context(hfp_connection); 1325 } 1326 } 1327 1328 void hfp_hf_end_active_and_accept_other(hci_con_handle_t acl_handle){ 1329 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1330 if (!hfp_connection) { 1331 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1332 return; 1333 } 1334 1335 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1336 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1337 hfp_connection->hf_send_chld_1 = 1; 1338 hfp_run_for_context(hfp_connection); 1339 } 1340 } 1341 1342 void hfp_hf_swap_calls(hci_con_handle_t acl_handle){ 1343 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1344 if (!hfp_connection) { 1345 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1346 return; 1347 } 1348 1349 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1350 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1351 hfp_connection->hf_send_chld_2 = 1; 1352 hfp_run_for_context(hfp_connection); 1353 } 1354 } 1355 1356 void hfp_hf_join_held_call(hci_con_handle_t acl_handle){ 1357 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1358 if (!hfp_connection) { 1359 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1360 return; 1361 } 1362 1363 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1364 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1365 hfp_connection->hf_send_chld_3 = 1; 1366 hfp_run_for_context(hfp_connection); 1367 } 1368 } 1369 1370 void hfp_hf_connect_calls(hci_con_handle_t acl_handle){ 1371 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1372 if (!hfp_connection) { 1373 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1374 return; 1375 } 1376 1377 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1378 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1379 hfp_connection->hf_send_chld_4 = 1; 1380 hfp_run_for_context(hfp_connection); 1381 } 1382 } 1383 1384 void hfp_hf_release_call_with_index(hci_con_handle_t acl_handle, int index){ 1385 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1386 if (!hfp_connection) { 1387 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1388 return; 1389 } 1390 1391 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1392 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1393 hfp_connection->hf_send_chld_x = 1; 1394 hfp_connection->hf_send_chld_x_index = 10 + index; 1395 hfp_run_for_context(hfp_connection); 1396 } 1397 } 1398 1399 void hfp_hf_private_consultation_with_call(hci_con_handle_t acl_handle, int index){ 1400 hfp_connection_t * hfp_connection = get_hfp_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_x = 1; 1409 hfp_connection->hf_send_chld_x_index = 20 + index; 1410 hfp_run_for_context(hfp_connection); 1411 } 1412 } 1413 1414 void hfp_hf_dial_number(hci_con_handle_t acl_handle, char * number){ 1415 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1416 if (!hfp_connection) { 1417 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1418 return; 1419 } 1420 1421 hfp_connection->hf_initiate_outgoing_call = 1; 1422 snprintf(phone_number, sizeof(phone_number), "%s", number); 1423 hfp_run_for_context(hfp_connection); 1424 } 1425 1426 void hfp_hf_dial_memory(hci_con_handle_t acl_handle, int memory_id){ 1427 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1428 if (!hfp_connection) { 1429 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1430 return; 1431 } 1432 1433 hfp_connection->hf_initiate_memory_dialing = 1; 1434 hfp_connection->memory_id = memory_id; 1435 1436 hfp_run_for_context(hfp_connection); 1437 } 1438 1439 void hfp_hf_redial_last_number(hci_con_handle_t acl_handle){ 1440 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1441 if (!hfp_connection) { 1442 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1443 return; 1444 } 1445 1446 hfp_connection->hf_initiate_redial_last_number = 1; 1447 hfp_run_for_context(hfp_connection); 1448 } 1449 1450 void hfp_hf_activate_call_waiting_notification(hci_con_handle_t acl_handle){ 1451 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1452 if (!hfp_connection) { 1453 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1454 return; 1455 } 1456 1457 hfp_connection->hf_activate_call_waiting_notification = 1; 1458 hfp_run_for_context(hfp_connection); 1459 } 1460 1461 1462 void hfp_hf_deactivate_call_waiting_notification(hci_con_handle_t acl_handle){ 1463 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1464 if (!hfp_connection) { 1465 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1466 return; 1467 } 1468 1469 hfp_connection->hf_deactivate_call_waiting_notification = 1; 1470 hfp_run_for_context(hfp_connection); 1471 } 1472 1473 1474 void hfp_hf_activate_calling_line_notification(hci_con_handle_t acl_handle){ 1475 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1476 if (!hfp_connection) { 1477 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1478 return; 1479 } 1480 1481 hfp_connection->hf_activate_calling_line_notification = 1; 1482 hfp_run_for_context(hfp_connection); 1483 } 1484 1485 void hfp_hf_deactivate_calling_line_notification(hci_con_handle_t acl_handle){ 1486 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1487 if (!hfp_connection) { 1488 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1489 return; 1490 } 1491 1492 hfp_connection->hf_deactivate_calling_line_notification = 1; 1493 hfp_run_for_context(hfp_connection); 1494 } 1495 1496 1497 void hfp_hf_activate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1498 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1499 if (!hfp_connection) { 1500 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1501 return; 1502 } 1503 1504 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 1; 1505 hfp_run_for_context(hfp_connection); 1506 } 1507 1508 void hfp_hf_deactivate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1509 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1510 if (!hfp_connection) { 1511 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1512 return; 1513 } 1514 1515 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 1; 1516 hfp_run_for_context(hfp_connection); 1517 } 1518 1519 void hfp_hf_activate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1520 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1521 if (!hfp_connection) { 1522 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1523 return; 1524 } 1525 1526 hfp_connection->hf_activate_voice_recognition_notification = 1; 1527 hfp_run_for_context(hfp_connection); 1528 } 1529 1530 void hfp_hf_deactivate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1531 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1532 if (!hfp_connection) { 1533 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1534 return; 1535 } 1536 1537 hfp_connection->hf_deactivate_voice_recognition_notification = 1; 1538 hfp_run_for_context(hfp_connection); 1539 } 1540 1541 void hfp_hf_set_microphone_gain(hci_con_handle_t acl_handle, int gain){ 1542 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1543 if (!hfp_connection) { 1544 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1545 return; 1546 } 1547 1548 if (hfp_connection->microphone_gain == gain) return; 1549 if (gain < 0 || gain > 15){ 1550 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1551 return; 1552 } 1553 hfp_connection->microphone_gain = gain; 1554 hfp_connection->send_microphone_gain = 1; 1555 hfp_run_for_context(hfp_connection); 1556 } 1557 1558 void hfp_hf_set_speaker_gain(hci_con_handle_t acl_handle, int gain){ 1559 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1560 if (!hfp_connection) { 1561 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1562 return; 1563 } 1564 1565 if (hfp_connection->speaker_gain == gain) return; 1566 if (gain < 0 || gain > 15){ 1567 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1568 return; 1569 } 1570 hfp_connection->speaker_gain = gain; 1571 hfp_connection->send_speaker_gain = 1; 1572 hfp_run_for_context(hfp_connection); 1573 } 1574 1575 void hfp_hf_send_dtmf_code(hci_con_handle_t acl_handle, char code){ 1576 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1577 if (!hfp_connection) { 1578 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1579 return; 1580 } 1581 1582 hfp_connection->hf_send_dtmf_code = code; 1583 hfp_run_for_context(hfp_connection); 1584 } 1585 1586 void hfp_hf_request_phone_number_for_voice_tag(hci_con_handle_t acl_handle){ 1587 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1588 if (!hfp_connection) { 1589 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1590 return; 1591 } 1592 hfp_connection->hf_send_binp = 1; 1593 hfp_run_for_context(hfp_connection); 1594 } 1595 1596 void hfp_hf_query_current_call_status(hci_con_handle_t acl_handle){ 1597 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1598 if (!hfp_connection) { 1599 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1600 return; 1601 } 1602 hfp_connection->hf_send_clcc = 1; 1603 hfp_run_for_context(hfp_connection); 1604 } 1605 1606 1607 void hfp_hf_rrh_query_status(hci_con_handle_t acl_handle){ 1608 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1609 if (!hfp_connection) { 1610 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1611 return; 1612 } 1613 hfp_connection->hf_send_rrh = 1; 1614 hfp_connection->hf_send_rrh_command = '?'; 1615 hfp_run_for_context(hfp_connection); 1616 } 1617 1618 void hfp_hf_rrh_hold_call(hci_con_handle_t acl_handle){ 1619 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1620 if (!hfp_connection) { 1621 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1622 return; 1623 } 1624 hfp_connection->hf_send_rrh = 1; 1625 hfp_connection->hf_send_rrh_command = '0'; 1626 hfp_run_for_context(hfp_connection); 1627 } 1628 1629 void hfp_hf_rrh_accept_held_call(hci_con_handle_t acl_handle){ 1630 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1631 if (!hfp_connection) { 1632 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1633 return; 1634 } 1635 hfp_connection->hf_send_rrh = 1; 1636 hfp_connection->hf_send_rrh_command = '1'; 1637 hfp_run_for_context(hfp_connection); 1638 } 1639 1640 void hfp_hf_rrh_reject_held_call(hci_con_handle_t acl_handle){ 1641 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1642 if (!hfp_connection) { 1643 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1644 return; 1645 } 1646 hfp_connection->hf_send_rrh = 1; 1647 hfp_connection->hf_send_rrh_command = '2'; 1648 hfp_run_for_context(hfp_connection); 1649 } 1650 1651 void hfp_hf_query_subscriber_number(hci_con_handle_t acl_handle){ 1652 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1653 if (!hfp_connection) { 1654 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1655 return; 1656 } 1657 hfp_connection->hf_send_cnum = 1; 1658 hfp_run_for_context(hfp_connection); 1659 } 1660 1661 void hfp_hf_set_hf_indicator(hci_con_handle_t acl_handle, int assigned_number, int value){ 1662 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1663 if (!hfp_connection) { 1664 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1665 return; 1666 } 1667 // find index for assigned number 1668 int i; 1669 for (i = 0; i < hfp_indicators_nr ; i++){ 1670 if (hfp_indicators[i] == assigned_number){ 1671 // set value 1672 hfp_indicators_value[i] = value; 1673 // mark for update 1674 if (hfp_connection->state > HFP_LIST_GENERIC_STATUS_INDICATORS){ 1675 hfp_connection->generic_status_update_bitmap |= (1<<i); 1676 // send update 1677 hfp_run_for_context(hfp_connection); 1678 } 1679 return; 1680 } 1681 } 1682 } 1683 1684