1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 // ***************************************************************************** 39 // 40 // HFP Hands-Free (HF) unit 41 // 42 // ***************************************************************************** 43 44 #include "btstack_config.h" 45 46 #include <stdint.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 51 #include "btstack_debug.h" 52 #include "btstack_memory.h" 53 #include "btstack_run_loop.h" 54 #include "classic/core.h" 55 #include "classic/hfp.h" 56 #include "classic/hfp_hf.h" 57 #include "classic/sdp_client_rfcomm.h" 58 #include "classic/sdp_server.h" 59 #include "classic/sdp_util.h" 60 #include "hci.h" 61 #include "hci_cmd.h" 62 #include "hci_dump.h" 63 #include "l2cap.h" 64 65 static const char default_hfp_hf_service_name[] = "Hands-Free unit"; 66 static uint16_t hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 67 static uint8_t hfp_codecs_nr = 0; 68 static uint8_t hfp_codecs[HFP_MAX_NUM_CODECS]; 69 70 static uint8_t hfp_indicators_nr = 0; 71 static uint8_t hfp_indicators[HFP_MAX_NUM_HF_INDICATORS]; 72 static uint32_t hfp_indicators_value[HFP_MAX_NUM_HF_INDICATORS]; 73 74 static uint8_t hfp_hf_speaker_gain = 9; 75 static uint8_t hfp_hf_microphone_gain = 9; 76 77 static btstack_packet_handler_t hfp_callback; 78 79 static hfp_call_status_t hfp_call_status; 80 static hfp_callsetup_status_t hfp_callsetup_status; 81 static hfp_callheld_status_t hfp_callheld_status; 82 83 static char phone_number[25]; 84 85 static btstack_packet_callback_registration_t hci_event_callback_registration; 86 87 void hfp_hf_register_packet_handler(btstack_packet_handler_t callback){ 88 hfp_callback = callback; 89 if (callback == NULL){ 90 log_error("hfp_hf_register_packet_handler called with NULL callback"); 91 return; 92 } 93 hfp_callback = callback; 94 hfp_set_callback(callback); 95 } 96 97 static void hfp_hf_emit_subscriber_information(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t status, uint8_t bnip_type, const char * bnip_number){ 98 if (!callback) return; 99 uint8_t event[31]; 100 event[0] = HCI_EVENT_HFP_META; 101 event[1] = sizeof(event) - 2; 102 event[2] = event_subtype; 103 event[3] = status; 104 event[4] = bnip_type; 105 int size = (strlen(bnip_number) < sizeof(event) - 6) ? (int) strlen(bnip_number) : sizeof(event) - 6; 106 strncpy((char*)&event[5], bnip_number, size); 107 event[5 + size] = 0; 108 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 109 } 110 111 static void hfp_hf_emit_type_and_number(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t bnip_type, const char * bnip_number){ 112 if (!callback) return; 113 uint8_t event[30]; 114 event[0] = HCI_EVENT_HFP_META; 115 event[1] = sizeof(event) - 2; 116 event[2] = event_subtype; 117 event[3] = bnip_type; 118 int size = (strlen(bnip_number) < sizeof(event) - 5) ? (int) strlen(bnip_number) : sizeof(event) - 5; 119 strncpy((char*)&event[4], bnip_number, size); 120 event[4 + size] = 0; 121 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 122 } 123 124 static void hfp_hf_emit_enhanced_call_status(btstack_packet_handler_t callback, uint8_t clcc_idx, uint8_t clcc_dir, 125 uint8_t clcc_status, uint8_t clcc_mpty, uint8_t bnip_type, const char * bnip_number){ 126 if (!callback) return; 127 uint8_t event[35]; 128 event[0] = HCI_EVENT_HFP_META; 129 event[1] = sizeof(event) - 2; 130 event[2] = HFP_SUBEVENT_ENHANCED_CALL_STATUS; 131 event[3] = clcc_idx; 132 event[4] = clcc_dir; 133 event[6] = clcc_status; 134 event[7] = clcc_mpty; 135 event[8] = bnip_type; 136 int size = (strlen(bnip_number) < sizeof(event) - 10) ? (int) strlen(bnip_number) : sizeof(event) - 10; 137 strncpy((char*)&event[9], bnip_number, size); 138 event[9 + size] = 0; 139 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 140 } 141 142 static int has_codec_negotiation_feature(hfp_connection_t * hfp_connection){ 143 int hf = get_bit(hfp_supported_features, HFP_HFSF_CODEC_NEGOTIATION); 144 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_CODEC_NEGOTIATION); 145 return hf && ag; 146 } 147 148 static int has_call_waiting_and_3way_calling_feature(hfp_connection_t * hfp_connection){ 149 int hf = get_bit(hfp_supported_features, HFP_HFSF_THREE_WAY_CALLING); 150 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_THREE_WAY_CALLING); 151 return hf && ag; 152 } 153 154 155 static int has_hf_indicators_feature(hfp_connection_t * hfp_connection){ 156 int hf = get_bit(hfp_supported_features, HFP_HFSF_HF_INDICATORS); 157 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_HF_INDICATORS); 158 return hf && ag; 159 } 160 161 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 162 163 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){ 164 if (!name){ 165 name = default_hfp_hf_service_name; 166 } 167 hfp_create_sdp_record(service, service_record_handle, SDP_Handsfree, rfcomm_channel_nr, name); 168 169 // Construct SupportedFeatures for SDP bitmap: 170 // 171 // "The values of the “SupportedFeatures” bitmap given in Table 5.4 shall be the same as the values 172 // of the Bits 0 to 4 of the unsolicited result code +BRSF" 173 // 174 uint16_t sdp_features = supported_features & 0x1f; 175 if (supported_features & wide_band_speech){ 176 sdp_features |= 1 << 5; // Wide band speech bit 177 } 178 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); // Hands-Free Profile - SupportedFeatures 179 de_add_number(service, DE_UINT, DE_SIZE_16, sdp_features); 180 } 181 182 static int hfp_hf_cmd_exchange_supported_features(uint16_t cid){ 183 char buffer[20]; 184 sprintf(buffer, "AT%s=%d\r\n", HFP_SUPPORTED_FEATURES, hfp_supported_features); 185 // printf("exchange_supported_features %s\n", buffer); 186 return send_str_over_rfcomm(cid, buffer); 187 } 188 189 static int hfp_hf_cmd_notify_on_codecs(uint16_t cid){ 190 char buffer[30]; 191 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_AVAILABLE_CODECS); 192 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_codecs, hfp_codecs_nr); 193 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 194 buffer[offset] = 0; 195 return send_str_over_rfcomm(cid, buffer); 196 } 197 198 static int hfp_hf_cmd_retrieve_indicators(uint16_t cid){ 199 char buffer[20]; 200 sprintf(buffer, "AT%s=?\r\n", HFP_INDICATOR); 201 // printf("retrieve_indicators %s\n", buffer); 202 return send_str_over_rfcomm(cid, buffer); 203 } 204 205 static int hfp_hf_cmd_retrieve_indicators_status(uint16_t cid){ 206 char buffer[20]; 207 sprintf(buffer, "AT%s?\r\n", HFP_INDICATOR); 208 // printf("retrieve_indicators_status %s\n", buffer); 209 return send_str_over_rfcomm(cid, buffer); 210 } 211 212 static int hfp_hf_cmd_activate_status_update_for_all_ag_indicators(uint16_t cid, uint8_t activate){ 213 char buffer[20]; 214 sprintf(buffer, "AT%s=3,0,0,%d\r\n", HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS, activate); 215 // printf("toggle_indicator_status_update %s\n", buffer); 216 return send_str_over_rfcomm(cid, buffer); 217 } 218 219 static int hfp_hf_cmd_activate_status_update_for_ag_indicator(uint16_t cid, uint32_t indicators_status, int indicators_nr){ 220 char buffer[50]; 221 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS); 222 offset += join_bitmap(buffer+offset, sizeof(buffer)-offset, indicators_status, indicators_nr); 223 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 224 buffer[offset] = 0; 225 return send_str_over_rfcomm(cid, buffer); 226 } 227 228 static int hfp_hf_cmd_retrieve_can_hold_call(uint16_t cid){ 229 char buffer[20]; 230 sprintf(buffer, "AT%s=?\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES); 231 // printf("retrieve_can_hold_call %s\n", buffer); 232 return send_str_over_rfcomm(cid, buffer); 233 } 234 235 static int hfp_hf_cmd_list_supported_generic_status_indicators(uint16_t cid){ 236 char buffer[30]; 237 int offset = snprintf(buffer, sizeof(buffer), "AT%s=", HFP_GENERIC_STATUS_INDICATOR); 238 offset += join(buffer+offset, sizeof(buffer)-offset, hfp_indicators, hfp_indicators_nr); 239 offset += snprintf(buffer+offset, sizeof(buffer)-offset, "\r\n"); 240 buffer[offset] = 0; 241 return send_str_over_rfcomm(cid, buffer); 242 } 243 244 static int hfp_hf_cmd_retrieve_supported_generic_status_indicators(uint16_t cid){ 245 char buffer[20]; 246 sprintf(buffer, "AT%s=?\r\n", HFP_GENERIC_STATUS_INDICATOR); 247 // printf("retrieve_supported_generic_status_indicators %s\n", buffer); 248 return send_str_over_rfcomm(cid, buffer); 249 } 250 251 static int hfp_hf_cmd_list_initital_supported_generic_status_indicators(uint16_t cid){ 252 char buffer[20]; 253 sprintf(buffer, "AT%s?\r\n", HFP_GENERIC_STATUS_INDICATOR); 254 // printf("list_initital_supported_generic_status_indicators %s\n", buffer); 255 return send_str_over_rfcomm(cid, buffer); 256 } 257 258 static int hfp_hf_cmd_query_operator_name_format(uint16_t cid){ 259 char buffer[20]; 260 sprintf(buffer, "AT%s=3,0\r\n", HFP_QUERY_OPERATOR_SELECTION); 261 return send_str_over_rfcomm(cid, buffer); 262 } 263 264 static int hfp_hf_cmd_query_operator_name(uint16_t cid){ 265 char buffer[20]; 266 sprintf(buffer, "AT%s?\r\n", HFP_QUERY_OPERATOR_SELECTION); 267 return send_str_over_rfcomm(cid, buffer); 268 } 269 270 static int hfp_hf_cmd_enable_extended_audio_gateway_error_report(uint16_t cid, uint8_t enable){ 271 char buffer[20]; 272 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR, enable); 273 return send_str_over_rfcomm(cid, buffer); 274 } 275 276 static int hfp_hf_cmd_trigger_codec_connection_setup(uint16_t cid){ 277 char buffer[20]; 278 sprintf(buffer, "AT%s\r\n", HFP_TRIGGER_CODEC_CONNECTION_SETUP); 279 return send_str_over_rfcomm(cid, buffer); 280 } 281 282 static int hfp_hf_cmd_confirm_codec(uint16_t cid, uint8_t codec){ 283 char buffer[20]; 284 sprintf(buffer, "AT%s=%d\r\n", HFP_CONFIRM_COMMON_CODEC, codec); 285 return send_str_over_rfcomm(cid, buffer); 286 } 287 288 static int hfp_hf_cmd_ata(uint16_t cid){ 289 char buffer[10]; 290 sprintf(buffer, "%s\r\n", HFP_CALL_ANSWERED); 291 return send_str_over_rfcomm(cid, buffer); 292 } 293 294 static int hfp_hf_set_microphone_gain_cmd(uint16_t cid, int gain){ 295 char buffer[40]; 296 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_MICROPHONE_GAIN, gain); 297 return send_str_over_rfcomm(cid, buffer); 298 } 299 300 static int hfp_hf_set_speaker_gain_cmd(uint16_t cid, int gain){ 301 char buffer[40]; 302 sprintf(buffer, "AT%s=%d\r\n", HFP_SET_SPEAKER_GAIN, gain); 303 return send_str_over_rfcomm(cid, buffer); 304 } 305 306 static int hfp_hf_set_calling_line_notification_cmd(uint16_t cid, uint8_t activate){ 307 char buffer[40]; 308 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CLIP, activate); 309 return send_str_over_rfcomm(cid, buffer); 310 } 311 312 static int hfp_hf_set_echo_canceling_and_noise_reduction_cmd(uint16_t cid, uint8_t activate){ 313 char buffer[40]; 314 sprintf(buffer, "AT%s=%d\r\n", HFP_TURN_OFF_EC_AND_NR, activate); 315 return send_str_over_rfcomm(cid, buffer); 316 } 317 318 static int hfp_hf_set_voice_recognition_notification_cmd(uint16_t cid, uint8_t activate){ 319 char buffer[40]; 320 sprintf(buffer, "AT%s=%d\r\n", HFP_ACTIVATE_VOICE_RECOGNITION, activate); 321 return send_str_over_rfcomm(cid, buffer); 322 } 323 324 static int hfp_hf_set_call_waiting_notification_cmd(uint16_t cid, uint8_t activate){ 325 char buffer[40]; 326 sprintf(buffer, "AT%s=%d\r\n", HFP_ENABLE_CALL_WAITING_NOTIFICATION, activate); 327 return send_str_over_rfcomm(cid, buffer); 328 } 329 330 static int hfp_hf_initiate_outgoing_call_cmd(uint16_t cid){ 331 char buffer[40]; 332 sprintf(buffer, "%s%s;\r\n", HFP_CALL_PHONE_NUMBER, phone_number); 333 return send_str_over_rfcomm(cid, buffer); 334 } 335 336 static int hfp_hf_send_memory_dial_cmd(uint16_t cid, int memory_id){ 337 char buffer[40]; 338 sprintf(buffer, "%s>%d;\r\n", HFP_CALL_PHONE_NUMBER, memory_id); 339 return send_str_over_rfcomm(cid, buffer); 340 } 341 342 static int hfp_hf_send_redial_last_number_cmd(uint16_t cid){ 343 char buffer[20]; 344 sprintf(buffer, "AT%s\r\n", HFP_REDIAL_LAST_NUMBER); 345 return send_str_over_rfcomm(cid, buffer); 346 } 347 348 static int hfp_hf_send_chup(uint16_t cid){ 349 char buffer[20]; 350 sprintf(buffer, "AT%s\r\n", HFP_HANG_UP_CALL); 351 return send_str_over_rfcomm(cid, buffer); 352 } 353 354 static int hfp_hf_send_chld(uint16_t cid, unsigned int number){ 355 char buffer[20]; 356 sprintf(buffer, "AT%s=%u\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, number); 357 return send_str_over_rfcomm(cid, buffer); 358 } 359 360 static int hfp_hf_send_dtmf(uint16_t cid, char code){ 361 char buffer[20]; 362 sprintf(buffer, "AT%s=%c\r\n", HFP_TRANSMIT_DTMF_CODES, code); 363 return send_str_over_rfcomm(cid, buffer); 364 } 365 366 static int hfp_hf_send_binp(uint16_t cid){ 367 char buffer[20]; 368 sprintf(buffer, "AT%s=1\r\n", HFP_PHONE_NUMBER_FOR_VOICE_TAG); 369 return send_str_over_rfcomm(cid, buffer); 370 } 371 372 static int hfp_hf_send_clcc(uint16_t cid){ 373 char buffer[20]; 374 sprintf(buffer, "AT%s\r\n", HFP_LIST_CURRENT_CALLS); 375 return send_str_over_rfcomm(cid, buffer); 376 } 377 378 static void hfp_emit_ag_indicator_event(btstack_packet_handler_t callback, hfp_ag_indicator_t indicator){ 379 if (!callback) return; 380 uint8_t event[5+HFP_MAX_INDICATOR_DESC_SIZE+1]; 381 event[0] = HCI_EVENT_HFP_META; 382 event[1] = sizeof(event) - 2; 383 event[2] = HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED; 384 event[3] = indicator.index; 385 event[4] = indicator.status; 386 strncpy((char*)&event[5], indicator.name, HFP_MAX_INDICATOR_DESC_SIZE); 387 event[5+HFP_MAX_INDICATOR_DESC_SIZE] = 0; 388 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 389 } 390 391 static void hfp_emit_network_operator_event(btstack_packet_handler_t callback, hfp_network_opearator_t network_operator){ 392 if (!callback) return; 393 uint8_t event[24]; 394 event[0] = HCI_EVENT_HFP_META; 395 event[1] = sizeof(event) - 2; 396 event[2] = HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED; 397 event[3] = network_operator.mode; 398 event[4] = network_operator.format; 399 strcpy((char*)&event[5], network_operator.name); 400 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 401 } 402 403 static int hfp_hf_run_for_context_service_level_connection(hfp_connection_t * hfp_connection){ 404 if (hfp_connection->state >= HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 405 if (hfp_connection->ok_pending) return 0; 406 int done = 1; 407 408 switch (hfp_connection->state){ 409 case HFP_EXCHANGE_SUPPORTED_FEATURES: 410 hfp_hf_drop_mSBC_if_eSCO_not_supported(hfp_codecs, &hfp_codecs_nr); 411 hfp_connection->state = HFP_W4_EXCHANGE_SUPPORTED_FEATURES; 412 hfp_hf_cmd_exchange_supported_features(hfp_connection->rfcomm_cid); 413 break; 414 case HFP_NOTIFY_ON_CODECS: 415 hfp_connection->state = HFP_W4_NOTIFY_ON_CODECS; 416 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 417 break; 418 case HFP_RETRIEVE_INDICATORS: 419 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS; 420 hfp_hf_cmd_retrieve_indicators(hfp_connection->rfcomm_cid); 421 break; 422 case HFP_RETRIEVE_INDICATORS_STATUS: 423 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS_STATUS; 424 hfp_hf_cmd_retrieve_indicators_status(hfp_connection->rfcomm_cid); 425 break; 426 case HFP_ENABLE_INDICATORS_STATUS_UPDATE: 427 hfp_connection->state = HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE; 428 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, 1); 429 break; 430 case HFP_RETRIEVE_CAN_HOLD_CALL: 431 hfp_connection->state = HFP_W4_RETRIEVE_CAN_HOLD_CALL; 432 hfp_hf_cmd_retrieve_can_hold_call(hfp_connection->rfcomm_cid); 433 break; 434 case HFP_LIST_GENERIC_STATUS_INDICATORS: 435 hfp_connection->state = HFP_W4_LIST_GENERIC_STATUS_INDICATORS; 436 hfp_hf_cmd_list_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 437 break; 438 case HFP_RETRIEVE_GENERIC_STATUS_INDICATORS: 439 hfp_connection->state = HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS; 440 hfp_hf_cmd_retrieve_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 441 break; 442 case HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 443 hfp_connection->state = HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 444 hfp_hf_cmd_list_initital_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 445 break; 446 default: 447 done = 0; 448 break; 449 } 450 return done; 451 } 452 453 454 static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * hfp_connection){ 455 if (hfp_connection->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 456 if (hfp_connection->ok_pending) return 0; 457 458 int done = 0; 459 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 460 hfp_connection->ok_pending = 1; 461 done = 1; 462 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, hfp_connection->enable_status_update_for_ag_indicators); 463 return done; 464 }; 465 if (hfp_connection->change_status_update_for_individual_ag_indicators){ 466 hfp_connection->ok_pending = 1; 467 done = 1; 468 hfp_hf_cmd_activate_status_update_for_ag_indicator(hfp_connection->rfcomm_cid, 469 hfp_connection->ag_indicators_status_update_bitmap, 470 hfp_connection->ag_indicators_nr); 471 return done; 472 } 473 474 switch (hfp_connection->hf_query_operator_state){ 475 case HFP_HF_QUERY_OPERATOR_SET_FORMAT: 476 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK; 477 hfp_connection->ok_pending = 1; 478 hfp_hf_cmd_query_operator_name_format(hfp_connection->rfcomm_cid); 479 return 1; 480 case HFP_HF_QUERY_OPERATOR_SEND_QUERY: 481 hfp_connection->hf_query_operator_state = HPF_HF_QUERY_OPERATOR_W4_RESULT; 482 hfp_connection->ok_pending = 1; 483 hfp_hf_cmd_query_operator_name(hfp_connection->rfcomm_cid); 484 return 1; 485 default: 486 break; 487 } 488 489 if (hfp_connection->enable_extended_audio_gateway_error_report){ 490 hfp_connection->ok_pending = 1; 491 done = 1; 492 hfp_hf_cmd_enable_extended_audio_gateway_error_report(hfp_connection->rfcomm_cid, hfp_connection->enable_extended_audio_gateway_error_report); 493 return done; 494 } 495 496 return done; 497 } 498 499 static int codecs_exchange_state_machine(hfp_connection_t * hfp_connection){ 500 /* events ( == commands): 501 HFP_CMD_AVAILABLE_CODECS == received AT+BAC with list of codecs 502 HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 503 hf_trigger_codec_connection_setup == received BCC 504 ag_trigger_codec_connection_setup == received from AG to send BCS 505 HFP_CMD_HF_CONFIRMED_CODEC == received AT+BCS 506 */ 507 508 if (hfp_connection->ok_pending) return 0; 509 510 switch (hfp_connection->command){ 511 case HFP_CMD_AVAILABLE_CODECS: 512 if (hfp_connection->codecs_state == HFP_CODECS_W4_AG_COMMON_CODEC) return 0; 513 514 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 515 hfp_connection->ok_pending = 1; 516 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 517 return 1; 518 case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 519 hfp_connection->codec_confirmed = 0; 520 hfp_connection->suggested_codec = 0; 521 hfp_connection->negotiated_codec = 0; 522 523 hfp_connection->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE; 524 hfp_connection->ok_pending = 1; 525 hfp_hf_cmd_trigger_codec_connection_setup(hfp_connection->rfcomm_cid); 526 break; 527 528 case HFP_CMD_AG_SUGGESTED_CODEC:{ 529 if (hfp_supports_codec(hfp_connection->suggested_codec, hfp_codecs_nr, hfp_codecs)){ 530 hfp_connection->codec_confirmed = hfp_connection->suggested_codec; 531 hfp_connection->ok_pending = 1; 532 hfp_connection->codecs_state = HFP_CODECS_HF_CONFIRMED_CODEC; 533 hfp_connection->negotiated_codec = hfp_connection->suggested_codec; 534 log_info("hfp: codec confirmed: %s", hfp_connection->negotiated_codec == HFP_CODEC_MSBC ? "mSBC" : "CVSD"); 535 hfp_hf_cmd_confirm_codec(hfp_connection->rfcomm_cid, hfp_connection->codec_confirmed); 536 } else { 537 hfp_connection->codec_confirmed = 0; 538 hfp_connection->suggested_codec = 0; 539 hfp_connection->negotiated_codec = 0; 540 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 541 hfp_connection->ok_pending = 1; 542 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 543 544 } 545 break; 546 } 547 default: 548 break; 549 } 550 return 0; 551 } 552 553 static int hfp_hf_run_for_audio_connection(hfp_connection_t * hfp_connection){ 554 if (hfp_connection->state < HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED || 555 hfp_connection->state > HFP_W2_DISCONNECT_SCO) return 0; 556 557 558 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED && hfp_connection->release_audio_connection){ 559 hfp_connection->state = HFP_W4_SCO_DISCONNECTED; 560 hfp_connection->release_audio_connection = 0; 561 gap_disconnect(hfp_connection->sco_handle); 562 return 1; 563 } 564 565 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return 0; 566 567 // run codecs exchange 568 int done = codecs_exchange_state_machine(hfp_connection); 569 if (done) return 1; 570 571 return 0; 572 } 573 574 static int call_setup_state_machine(hfp_connection_t * hfp_connection){ 575 if (hfp_connection->hf_answer_incoming_call){ 576 hfp_hf_cmd_ata(hfp_connection->rfcomm_cid); 577 hfp_connection->hf_answer_incoming_call = 0; 578 return 1; 579 } 580 return 0; 581 } 582 583 static void hfp_run_for_context(hfp_connection_t * hfp_connection){ 584 if (!hfp_connection) return; 585 if (!hfp_connection->rfcomm_cid) return; 586 587 if (hfp_connection->hf_accept_sco && hci_can_send_command_packet_now()){ 588 589 hfp_connection->hf_accept_sco = 0; 590 591 // notify about codec selection if not done already 592 if (hfp_connection->negotiated_codec == 0){ 593 hfp_connection->negotiated_codec = HFP_CODEC_CVSD; 594 } 595 596 // remote supported feature eSCO is set if link type is eSCO 597 // eSCO: S4 - max latency == transmission interval = 0x000c == 12 ms, 598 uint16_t max_latency; 599 uint8_t retransmission_effort; 600 uint16_t packet_types; 601 602 if (hci_extended_sco_link_supported() && hci_remote_esco_supported(hfp_connection->acl_handle)){ 603 max_latency = 0x000c; 604 retransmission_effort = 0x02; 605 packet_types = 0x388; 606 } else { 607 max_latency = 0xffff; 608 retransmission_effort = 0xff; 609 packet_types = 0x003f; 610 } 611 612 uint16_t sco_voice_setting = hci_get_sco_voice_setting(); 613 if (hfp_connection->negotiated_codec == HFP_CODEC_MSBC){ 614 sco_voice_setting = 0x0043; // Transparent data 615 } 616 617 log_info("HFP: sending hci_accept_connection_request, sco_voice_setting 0x%02x", sco_voice_setting); 618 hci_send_cmd(&hci_accept_synchronous_connection, hfp_connection->remote_addr, 8000, 8000, max_latency, 619 sco_voice_setting, retransmission_effort, packet_types); 620 return; 621 } 622 623 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) 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 if (hfp_connection->send_microphone_gain){ 637 hfp_connection->send_microphone_gain = 0; 638 hfp_connection->ok_pending = 1; 639 hfp_hf_set_microphone_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->microphone_gain); 640 return; 641 } 642 643 if (hfp_connection->send_speaker_gain){ 644 hfp_connection->send_speaker_gain = 0; 645 hfp_connection->ok_pending = 1; 646 hfp_hf_set_speaker_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->speaker_gain); 647 return; 648 } 649 650 if (hfp_connection->hf_deactivate_calling_line_notification){ 651 hfp_connection->hf_deactivate_calling_line_notification = 0; 652 hfp_connection->ok_pending = 1; 653 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 0); 654 return; 655 } 656 657 if (hfp_connection->hf_activate_calling_line_notification){ 658 hfp_connection->hf_activate_calling_line_notification = 0; 659 hfp_connection->ok_pending = 1; 660 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 1); 661 return; 662 } 663 664 if (hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction){ 665 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 0; 666 hfp_connection->ok_pending = 1; 667 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 0); 668 return; 669 } 670 671 if (hfp_connection->hf_activate_echo_canceling_and_noise_reduction){ 672 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 0; 673 hfp_connection->ok_pending = 1; 674 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 1); 675 return; 676 } 677 678 if (hfp_connection->hf_deactivate_voice_recognition_notification){ 679 hfp_connection->hf_deactivate_voice_recognition_notification = 0; 680 hfp_connection->ok_pending = 1; 681 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 0); 682 return; 683 } 684 685 if (hfp_connection->hf_activate_voice_recognition_notification){ 686 hfp_connection->hf_activate_voice_recognition_notification = 0; 687 hfp_connection->ok_pending = 1; 688 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 1); 689 return; 690 } 691 692 693 if (hfp_connection->hf_deactivate_call_waiting_notification){ 694 hfp_connection->hf_deactivate_call_waiting_notification = 0; 695 hfp_connection->ok_pending = 1; 696 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 0); 697 return; 698 } 699 700 if (hfp_connection->hf_activate_call_waiting_notification){ 701 hfp_connection->hf_activate_call_waiting_notification = 0; 702 hfp_connection->ok_pending = 1; 703 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 1); 704 return; 705 } 706 707 if (hfp_connection->hf_initiate_outgoing_call){ 708 hfp_connection->hf_initiate_outgoing_call = 0; 709 hfp_connection->ok_pending = 1; 710 hfp_hf_initiate_outgoing_call_cmd(hfp_connection->rfcomm_cid); 711 return; 712 } 713 714 if (hfp_connection->hf_initiate_memory_dialing){ 715 hfp_connection->hf_initiate_memory_dialing = 0; 716 hfp_connection->ok_pending = 1; 717 hfp_hf_send_memory_dial_cmd(hfp_connection->rfcomm_cid, hfp_connection->memory_id); 718 return; 719 } 720 721 if (hfp_connection->hf_initiate_redial_last_number){ 722 hfp_connection->hf_initiate_redial_last_number = 0; 723 hfp_connection->ok_pending = 1; 724 hfp_hf_send_redial_last_number_cmd(hfp_connection->rfcomm_cid); 725 return; 726 } 727 728 if (hfp_connection->hf_send_chup){ 729 hfp_connection->hf_send_chup = 0; 730 hfp_connection->ok_pending = 1; 731 hfp_hf_send_chup(hfp_connection->rfcomm_cid); 732 return; 733 } 734 735 if (hfp_connection->hf_send_chld_0){ 736 hfp_connection->hf_send_chld_0 = 0; 737 hfp_connection->ok_pending = 1; 738 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 0); 739 return; 740 } 741 742 if (hfp_connection->hf_send_chld_1){ 743 hfp_connection->hf_send_chld_1 = 0; 744 hfp_connection->ok_pending = 1; 745 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 1); 746 return; 747 } 748 749 if (hfp_connection->hf_send_chld_2){ 750 hfp_connection->hf_send_chld_2 = 0; 751 hfp_connection->ok_pending = 1; 752 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 2); 753 return; 754 } 755 756 if (hfp_connection->hf_send_chld_3){ 757 hfp_connection->hf_send_chld_3 = 0; 758 hfp_connection->ok_pending = 1; 759 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 3); 760 return; 761 } 762 763 if (hfp_connection->hf_send_chld_4){ 764 hfp_connection->hf_send_chld_4 = 0; 765 hfp_connection->ok_pending = 1; 766 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 4); 767 return; 768 } 769 770 if (hfp_connection->hf_send_chld_x){ 771 hfp_connection->hf_send_chld_x = 0; 772 hfp_connection->ok_pending = 1; 773 hfp_hf_send_chld(hfp_connection->rfcomm_cid, hfp_connection->hf_send_chld_x_index); 774 return; 775 } 776 777 if (hfp_connection->hf_send_dtmf_code){ 778 char code = hfp_connection->hf_send_dtmf_code; 779 hfp_connection->hf_send_dtmf_code = 0; 780 hfp_connection->ok_pending = 1; 781 hfp_hf_send_dtmf(hfp_connection->rfcomm_cid, code); 782 return; 783 } 784 785 if (hfp_connection->hf_send_binp){ 786 hfp_connection->hf_send_binp = 0; 787 hfp_connection->ok_pending = 1; 788 hfp_hf_send_binp(hfp_connection->rfcomm_cid); 789 return; 790 } 791 792 if (hfp_connection->hf_send_clcc){ 793 hfp_connection->hf_send_clcc = 0; 794 hfp_connection->ok_pending = 1; 795 hfp_hf_send_clcc(hfp_connection->rfcomm_cid); 796 return; 797 } 798 799 if (hfp_connection->hf_send_rrh){ 800 hfp_connection->hf_send_rrh = 0; 801 char buffer[20]; 802 switch (hfp_connection->hf_send_rrh_command){ 803 case '?': 804 sprintf(buffer, "AT%s?\r\n", HFP_RESPONSE_AND_HOLD); 805 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 806 return; 807 case '0': 808 case '1': 809 case '2': 810 sprintf(buffer, "AT%s=%c\r\n", HFP_RESPONSE_AND_HOLD, hfp_connection->hf_send_rrh_command); 811 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 812 return; 813 default: 814 break; 815 } 816 return; 817 } 818 819 if (hfp_connection->hf_send_cnum){ 820 hfp_connection->hf_send_cnum = 0; 821 char buffer[20]; 822 sprintf(buffer, "AT%s\r\n", HFP_SUBSCRIBER_NUMBER_INFORMATION); 823 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 824 return; 825 } 826 827 // update HF indicators 828 if (hfp_connection->generic_status_update_bitmap){ 829 int i; 830 for (i=0;i<hfp_indicators_nr;i++){ 831 if (get_bit(hfp_connection->generic_status_update_bitmap, i)){ 832 if (hfp_connection->generic_status_indicators[i].state){ 833 hfp_connection->ok_pending = 1; 834 hfp_connection->generic_status_update_bitmap = store_bit(hfp_connection->generic_status_update_bitmap, i, 0); 835 char buffer[30]; 836 sprintf(buffer, "AT%s=%u,%u\r\n", HFP_TRANSFER_HF_INDICATOR_STATUS, hfp_indicators[i], hfp_indicators_value[i]); 837 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 838 } else { 839 log_info("Not sending HF indicator %u as it is disabled", hfp_indicators[i]); 840 } 841 return; 842 } 843 } 844 } 845 846 if (done) return; 847 // deal with disconnect 848 switch (hfp_connection->state){ 849 case HFP_W2_DISCONNECT_RFCOMM: 850 hfp_connection->state = HFP_W4_RFCOMM_DISCONNECTED; 851 rfcomm_disconnect(hfp_connection->rfcomm_cid); 852 break; 853 854 default: 855 break; 856 } 857 } 858 859 static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){ 860 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED; 861 862 hfp_emit_slc_connection_event(hfp_callback, 0, hfp_connection->acl_handle, hfp_connection->remote_addr); 863 864 // restore volume settings 865 hfp_connection->speaker_gain = hfp_hf_speaker_gain; 866 hfp_connection->send_speaker_gain = 1; 867 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, hfp_hf_speaker_gain); 868 hfp_connection->microphone_gain = hfp_hf_microphone_gain; 869 hfp_connection->send_microphone_gain = 1; 870 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, hfp_hf_microphone_gain); 871 // enable all indicators 872 int i; 873 for (i=0;i<hfp_indicators_nr;i++){ 874 hfp_connection->generic_status_indicators[i].uuid = hfp_indicators[i]; 875 hfp_connection->generic_status_indicators[i].state = 1; 876 } 877 } 878 879 static void hfp_hf_switch_on_ok(hfp_connection_t *hfp_connection){ 880 hfp_connection->ok_pending = 0; 881 switch (hfp_connection->state){ 882 case HFP_W4_EXCHANGE_SUPPORTED_FEATURES: 883 if (has_codec_negotiation_feature(hfp_connection)){ 884 hfp_connection->state = HFP_NOTIFY_ON_CODECS; 885 break; 886 } 887 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 888 break; 889 890 case HFP_W4_NOTIFY_ON_CODECS: 891 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 892 break; 893 894 case HFP_W4_RETRIEVE_INDICATORS: 895 hfp_connection->state = HFP_RETRIEVE_INDICATORS_STATUS; 896 break; 897 898 case HFP_W4_RETRIEVE_INDICATORS_STATUS: 899 hfp_connection->state = HFP_ENABLE_INDICATORS_STATUS_UPDATE; 900 break; 901 902 case HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE: 903 if (has_call_waiting_and_3way_calling_feature(hfp_connection)){ 904 hfp_connection->state = HFP_RETRIEVE_CAN_HOLD_CALL; 905 break; 906 } 907 if (has_hf_indicators_feature(hfp_connection)){ 908 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 909 break; 910 } 911 hfp_ag_slc_established(hfp_connection); 912 break; 913 914 case HFP_W4_RETRIEVE_CAN_HOLD_CALL: 915 if (has_hf_indicators_feature(hfp_connection)){ 916 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 917 break; 918 } 919 hfp_ag_slc_established(hfp_connection); 920 break; 921 922 case HFP_W4_LIST_GENERIC_STATUS_INDICATORS: 923 hfp_connection->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS; 924 break; 925 926 case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS: 927 hfp_connection->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 928 break; 929 930 case HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 931 hfp_ag_slc_established(hfp_connection); 932 break; 933 case HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 934 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 935 hfp_connection->enable_status_update_for_ag_indicators = 0xFF; 936 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 937 break; 938 } 939 940 if (hfp_connection->change_status_update_for_individual_ag_indicators == 1){ 941 hfp_connection->change_status_update_for_individual_ag_indicators = 0; 942 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 943 break; 944 } 945 946 switch (hfp_connection->hf_query_operator_state){ 947 case HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK: 948 // printf("Format set, querying name\n"); 949 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 950 break; 951 case HPF_HF_QUERY_OPERATOR_W4_RESULT: 952 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_FORMAT_SET; 953 hfp_emit_network_operator_event(hfp_callback, hfp_connection->network_operator); 954 break; 955 default: 956 break; 957 } 958 959 if (hfp_connection->enable_extended_audio_gateway_error_report){ 960 hfp_connection->enable_extended_audio_gateway_error_report = 0; 961 break; 962 } 963 964 switch (hfp_connection->codecs_state){ 965 case HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE: 966 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 967 break; 968 case HFP_CODECS_HF_CONFIRMED_CODEC: 969 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 970 break; 971 default: 972 break; 973 } 974 break; 975 default: 976 break; 977 } 978 979 // done 980 hfp_connection->command = HFP_CMD_NONE; 981 } 982 983 984 static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 985 UNUSED(packet_type); 986 987 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_rfcomm_cid(channel); 988 if (!hfp_connection) return; 989 990 char last_char = packet[size-1]; 991 packet[size-1] = 0; 992 log_info("HFP_RX %s", packet); 993 packet[size-1] = last_char; 994 995 int pos, i, value; 996 for (pos = 0; pos < size ; pos++){ 997 hfp_parse(hfp_connection, packet[pos], 1); 998 } 999 1000 switch (hfp_connection->command){ 1001 case HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION: 1002 hfp_connection->command = HFP_CMD_NONE; 1003 // printf("Subscriber Number: number %s, type %u\n", hfp_connection->bnip_number, hfp_connection->bnip_type); 1004 hfp_hf_emit_subscriber_information(hfp_callback, HFP_SUBEVENT_SUBSCRIBER_NUMBER_INFORMATION, 0, hfp_connection->bnip_type, hfp_connection->bnip_number); 1005 break; 1006 case HFP_CMD_RESPONSE_AND_HOLD_STATUS: 1007 hfp_connection->command = HFP_CMD_NONE; 1008 // printf("Response and Hold status: %s\n", hfp_connection->line_buffer); 1009 hfp_emit_event(hfp_callback, HFP_SUBEVENT_RESPONSE_AND_HOLD_STATUS, btstack_atoi((char *)&hfp_connection->line_buffer[0])); 1010 break; 1011 case HFP_CMD_LIST_CURRENT_CALLS: 1012 hfp_connection->command = HFP_CMD_NONE; 1013 // printf("Enhanced Call Status: idx %u, dir %u, status %u, mpty %u, number %s, type %u\n", 1014 // hfp_connection->clcc_idx, hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1015 // hfp_connection->bnip_number, hfp_connection->bnip_type); 1016 hfp_hf_emit_enhanced_call_status(hfp_callback, hfp_connection->clcc_idx, 1017 hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 1018 hfp_connection->bnip_type, hfp_connection->bnip_number); 1019 break; 1020 case HFP_CMD_SET_SPEAKER_GAIN: 1021 hfp_connection->command = HFP_CMD_NONE; 1022 value = btstack_atoi((char*)hfp_connection->line_buffer); 1023 hfp_hf_speaker_gain = value; 1024 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, value); 1025 break; 1026 case HFP_CMD_SET_MICROPHONE_GAIN: 1027 hfp_connection->command = HFP_CMD_NONE; 1028 value = btstack_atoi((char*)hfp_connection->line_buffer); 1029 hfp_hf_microphone_gain = value; 1030 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, value); 1031 break; 1032 case HFP_CMD_AG_SENT_PHONE_NUMBER: 1033 hfp_connection->command = HFP_CMD_NONE; 1034 hfp_emit_string_event(hfp_callback, HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG, hfp_connection->bnip_number); 1035 break; 1036 case HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE: 1037 hfp_connection->command = HFP_CMD_NONE; 1038 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALL_WAITING_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1039 break; 1040 case HFP_CMD_AG_SENT_CLIP_INFORMATION: 1041 hfp_connection->command = HFP_CMD_NONE; 1042 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALLING_LINE_INDETIFICATION_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1043 break; 1044 case HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR: 1045 hfp_connection->ok_pending = 0; 1046 hfp_connection->command = HFP_CMD_NONE; 1047 hfp_connection->extended_audio_gateway_error = 0; 1048 hfp_emit_event(hfp_callback, HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR, hfp_connection->extended_audio_gateway_error_value); 1049 break; 1050 case HFP_CMD_ERROR: 1051 hfp_connection->ok_pending = 0; 1052 hfp_reset_context_flags(hfp_connection); 1053 hfp_connection->command = HFP_CMD_NONE; 1054 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 1); 1055 break; 1056 case HFP_CMD_OK: 1057 hfp_hf_switch_on_ok(hfp_connection); 1058 break; 1059 case HFP_CMD_RING: 1060 hfp_emit_simple_event(hfp_callback, HFP_SUBEVENT_RING); 1061 break; 1062 case HFP_CMD_TRANSFER_AG_INDICATOR_STATUS: 1063 for (i = 0; i < hfp_connection->ag_indicators_nr; i++){ 1064 if (hfp_connection->ag_indicators[i].status_changed) { 1065 if (strcmp(hfp_connection->ag_indicators[i].name, "callsetup") == 0){ 1066 hfp_callsetup_status = (hfp_callsetup_status_t) hfp_connection->ag_indicators[i].status; 1067 } else if (strcmp(hfp_connection->ag_indicators[i].name, "callheld") == 0){ 1068 hfp_callheld_status = (hfp_callheld_status_t) hfp_connection->ag_indicators[i].status; 1069 } else if (strcmp(hfp_connection->ag_indicators[i].name, "call") == 0){ 1070 hfp_call_status = (hfp_call_status_t) hfp_connection->ag_indicators[i].status; 1071 } 1072 hfp_connection->ag_indicators[i].status_changed = 0; 1073 hfp_emit_ag_indicator_event(hfp_callback, hfp_connection->ag_indicators[i]); 1074 break; 1075 } 1076 } 1077 break; 1078 default: 1079 break; 1080 } 1081 hfp_run_for_context(hfp_connection); 1082 } 1083 1084 static void hfp_run(void){ 1085 btstack_linked_list_iterator_t it; 1086 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1087 while (btstack_linked_list_iterator_has_next(&it)){ 1088 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1089 hfp_run_for_context(hfp_connection); 1090 } 1091 } 1092 1093 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1094 switch (packet_type){ 1095 case RFCOMM_DATA_PACKET: 1096 hfp_handle_rfcomm_event(packet_type, channel, packet, size); 1097 break; 1098 case HCI_EVENT_PACKET: 1099 hfp_handle_hci_event(packet_type, channel, packet, size); 1100 break; 1101 default: 1102 break; 1103 } 1104 hfp_run(); 1105 } 1106 1107 void hfp_hf_init(uint16_t rfcomm_channel_nr){ 1108 // register for HCI events 1109 hci_event_callback_registration.callback = &packet_handler; 1110 hci_add_event_handler(&hci_event_callback_registration); 1111 1112 rfcomm_register_service(packet_handler, rfcomm_channel_nr, 0xffff); 1113 1114 hfp_set_packet_handler_for_rfcomm_connections(&packet_handler); 1115 1116 hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 1117 hfp_codecs_nr = 0; 1118 hfp_indicators_nr = 0; 1119 hfp_hf_speaker_gain = 9; 1120 hfp_hf_microphone_gain = 9; 1121 } 1122 1123 void hfp_hf_init_codecs(int codecs_nr, uint8_t * codecs){ 1124 if (codecs_nr > HFP_MAX_NUM_CODECS){ 1125 log_error("hfp_hf_init_codecs: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS); 1126 return; 1127 } 1128 1129 hfp_codecs_nr = codecs_nr; 1130 int i; 1131 for (i=0; i<codecs_nr; i++){ 1132 hfp_codecs[i] = codecs[i]; 1133 } 1134 } 1135 1136 void hfp_hf_init_supported_features(uint32_t supported_features){ 1137 hfp_supported_features = supported_features; 1138 } 1139 1140 void hfp_hf_init_hf_indicators(int indicators_nr, uint16_t * indicators){ 1141 hfp_indicators_nr = indicators_nr; 1142 int i; 1143 for (i = 0; i < hfp_indicators_nr ; i++){ 1144 hfp_indicators[i] = indicators[i]; 1145 } 1146 } 1147 1148 void hfp_hf_establish_service_level_connection(bd_addr_t bd_addr){ 1149 hfp_establish_service_level_connection(bd_addr, SDP_HandsfreeAudioGateway); 1150 } 1151 1152 void hfp_hf_release_service_level_connection(hci_con_handle_t acl_handle){ 1153 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1154 if (!hfp_connection) { 1155 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1156 return; 1157 } 1158 hfp_release_service_level_connection(hfp_connection); 1159 hfp_run_for_context(hfp_connection); 1160 } 1161 1162 static void hfp_hf_set_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle, uint8_t enable){ 1163 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1164 if (!hfp_connection) { 1165 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1166 return; 1167 } 1168 hfp_connection->enable_status_update_for_ag_indicators = enable; 1169 hfp_run_for_context(hfp_connection); 1170 } 1171 1172 void hfp_hf_enable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1173 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 1); 1174 } 1175 1176 void hfp_hf_disable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1177 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 0); 1178 } 1179 1180 // TODO: returned ERROR - wrong format 1181 void hfp_hf_set_status_update_for_individual_ag_indicators(hci_con_handle_t acl_handle, uint32_t indicators_status_bitmap){ 1182 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1183 if (!hfp_connection) { 1184 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1185 return; 1186 } 1187 hfp_connection->change_status_update_for_individual_ag_indicators = 1; 1188 hfp_connection->ag_indicators_status_update_bitmap = indicators_status_bitmap; 1189 hfp_run_for_context(hfp_connection); 1190 } 1191 1192 void hfp_hf_query_operator_selection(hci_con_handle_t acl_handle){ 1193 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1194 if (!hfp_connection) { 1195 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1196 return; 1197 } 1198 switch (hfp_connection->hf_query_operator_state){ 1199 case HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET: 1200 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SET_FORMAT; 1201 break; 1202 case HFP_HF_QUERY_OPERATOR_FORMAT_SET: 1203 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 1204 break; 1205 default: 1206 break; 1207 } 1208 hfp_run_for_context(hfp_connection); 1209 } 1210 1211 static void hfp_hf_set_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle, uint8_t enable){ 1212 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1213 if (!hfp_connection) { 1214 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1215 return; 1216 } 1217 hfp_connection->enable_extended_audio_gateway_error_report = enable; 1218 hfp_run_for_context(hfp_connection); 1219 } 1220 1221 1222 void hfp_hf_enable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1223 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 1); 1224 } 1225 1226 void hfp_hf_disable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1227 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 0); 1228 } 1229 1230 1231 void hfp_hf_establish_audio_connection(hci_con_handle_t acl_handle){ 1232 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1233 if (!hfp_connection) { 1234 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1235 return; 1236 } 1237 hfp_connection->establish_audio_connection = 0; 1238 1239 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return; 1240 if (hfp_connection->state >= HFP_W2_DISCONNECT_SCO) return; 1241 1242 if (!has_codec_negotiation_feature(hfp_connection)){ 1243 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using defaults"); 1244 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 1245 hfp_connection->establish_audio_connection = 1; 1246 } else { 1247 switch (hfp_connection->codecs_state){ 1248 case HFP_CODECS_W4_AG_COMMON_CODEC: 1249 break; 1250 default: 1251 hfp_connection->command = HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP; 1252 break; 1253 } 1254 } 1255 1256 hfp_run_for_context(hfp_connection); 1257 } 1258 1259 void hfp_hf_release_audio_connection(hci_con_handle_t acl_handle){ 1260 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1261 if (!hfp_connection) { 1262 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1263 return; 1264 } 1265 hfp_release_audio_connection(hfp_connection); 1266 hfp_run_for_context(hfp_connection); 1267 } 1268 1269 void hfp_hf_answer_incoming_call(hci_con_handle_t acl_handle){ 1270 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1271 if (!hfp_connection) { 1272 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1273 return; 1274 } 1275 1276 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1277 hfp_connection->hf_answer_incoming_call = 1; 1278 hfp_run_for_context(hfp_connection); 1279 } else { 1280 log_error("HFP HF: answering incoming call with wrong callsetup status %u", hfp_callsetup_status); 1281 } 1282 } 1283 1284 void hfp_hf_terminate_call(hci_con_handle_t acl_handle){ 1285 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1286 if (!hfp_connection) { 1287 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1288 return; 1289 } 1290 hfp_connection->hf_send_chup = 1; 1291 hfp_run_for_context(hfp_connection); 1292 } 1293 1294 void hfp_hf_reject_incoming_call(hci_con_handle_t acl_handle){ 1295 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1296 if (!hfp_connection) { 1297 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1298 return; 1299 } 1300 1301 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1302 hfp_connection->hf_send_chup = 1; 1303 hfp_run_for_context(hfp_connection); 1304 } 1305 } 1306 1307 void hfp_hf_user_busy(hci_con_handle_t acl_handle){ 1308 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1309 if (!hfp_connection) { 1310 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1311 return; 1312 } 1313 1314 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1315 hfp_connection->hf_send_chld_0 = 1; 1316 hfp_run_for_context(hfp_connection); 1317 } 1318 } 1319 1320 void hfp_hf_end_active_and_accept_other(hci_con_handle_t acl_handle){ 1321 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1322 if (!hfp_connection) { 1323 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1324 return; 1325 } 1326 1327 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1328 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1329 hfp_connection->hf_send_chld_1 = 1; 1330 hfp_run_for_context(hfp_connection); 1331 } 1332 } 1333 1334 void hfp_hf_swap_calls(hci_con_handle_t acl_handle){ 1335 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1336 if (!hfp_connection) { 1337 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1338 return; 1339 } 1340 1341 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1342 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1343 hfp_connection->hf_send_chld_2 = 1; 1344 hfp_run_for_context(hfp_connection); 1345 } 1346 } 1347 1348 void hfp_hf_join_held_call(hci_con_handle_t acl_handle){ 1349 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1350 if (!hfp_connection) { 1351 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1352 return; 1353 } 1354 1355 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1356 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1357 hfp_connection->hf_send_chld_3 = 1; 1358 hfp_run_for_context(hfp_connection); 1359 } 1360 } 1361 1362 void hfp_hf_connect_calls(hci_con_handle_t acl_handle){ 1363 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1364 if (!hfp_connection) { 1365 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1366 return; 1367 } 1368 1369 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1370 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1371 hfp_connection->hf_send_chld_4 = 1; 1372 hfp_run_for_context(hfp_connection); 1373 } 1374 } 1375 1376 void hfp_hf_release_call_with_index(hci_con_handle_t acl_handle, int index){ 1377 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1378 if (!hfp_connection) { 1379 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1380 return; 1381 } 1382 1383 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1384 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1385 hfp_connection->hf_send_chld_x = 1; 1386 hfp_connection->hf_send_chld_x_index = 10 + index; 1387 hfp_run_for_context(hfp_connection); 1388 } 1389 } 1390 1391 void hfp_hf_private_consultation_with_call(hci_con_handle_t acl_handle, int index){ 1392 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1393 if (!hfp_connection) { 1394 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1395 return; 1396 } 1397 1398 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1399 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1400 hfp_connection->hf_send_chld_x = 1; 1401 hfp_connection->hf_send_chld_x_index = 20 + index; 1402 hfp_run_for_context(hfp_connection); 1403 } 1404 } 1405 1406 void hfp_hf_dial_number(hci_con_handle_t acl_handle, char * number){ 1407 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1408 if (!hfp_connection) { 1409 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1410 return; 1411 } 1412 1413 hfp_connection->hf_initiate_outgoing_call = 1; 1414 snprintf(phone_number, sizeof(phone_number), "%s", number); 1415 hfp_run_for_context(hfp_connection); 1416 } 1417 1418 void hfp_hf_dial_memory(hci_con_handle_t acl_handle, int memory_id){ 1419 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1420 if (!hfp_connection) { 1421 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1422 return; 1423 } 1424 1425 hfp_connection->hf_initiate_memory_dialing = 1; 1426 hfp_connection->memory_id = memory_id; 1427 1428 hfp_run_for_context(hfp_connection); 1429 } 1430 1431 void hfp_hf_redial_last_number(hci_con_handle_t acl_handle){ 1432 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1433 if (!hfp_connection) { 1434 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1435 return; 1436 } 1437 1438 hfp_connection->hf_initiate_redial_last_number = 1; 1439 hfp_run_for_context(hfp_connection); 1440 } 1441 1442 void hfp_hf_activate_call_waiting_notification(hci_con_handle_t acl_handle){ 1443 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1444 if (!hfp_connection) { 1445 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1446 return; 1447 } 1448 1449 hfp_connection->hf_activate_call_waiting_notification = 1; 1450 hfp_run_for_context(hfp_connection); 1451 } 1452 1453 1454 void hfp_hf_deactivate_call_waiting_notification(hci_con_handle_t acl_handle){ 1455 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1456 if (!hfp_connection) { 1457 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1458 return; 1459 } 1460 1461 hfp_connection->hf_deactivate_call_waiting_notification = 1; 1462 hfp_run_for_context(hfp_connection); 1463 } 1464 1465 1466 void hfp_hf_activate_calling_line_notification(hci_con_handle_t acl_handle){ 1467 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1468 if (!hfp_connection) { 1469 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1470 return; 1471 } 1472 1473 hfp_connection->hf_activate_calling_line_notification = 1; 1474 hfp_run_for_context(hfp_connection); 1475 } 1476 1477 void hfp_hf_deactivate_calling_line_notification(hci_con_handle_t acl_handle){ 1478 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1479 if (!hfp_connection) { 1480 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1481 return; 1482 } 1483 1484 hfp_connection->hf_deactivate_calling_line_notification = 1; 1485 hfp_run_for_context(hfp_connection); 1486 } 1487 1488 1489 void hfp_hf_activate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1490 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1491 if (!hfp_connection) { 1492 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1493 return; 1494 } 1495 1496 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 1; 1497 hfp_run_for_context(hfp_connection); 1498 } 1499 1500 void hfp_hf_deactivate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1501 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1502 if (!hfp_connection) { 1503 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1504 return; 1505 } 1506 1507 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 1; 1508 hfp_run_for_context(hfp_connection); 1509 } 1510 1511 void hfp_hf_activate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1512 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1513 if (!hfp_connection) { 1514 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1515 return; 1516 } 1517 1518 hfp_connection->hf_activate_voice_recognition_notification = 1; 1519 hfp_run_for_context(hfp_connection); 1520 } 1521 1522 void hfp_hf_deactivate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1523 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1524 if (!hfp_connection) { 1525 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1526 return; 1527 } 1528 1529 hfp_connection->hf_deactivate_voice_recognition_notification = 1; 1530 hfp_run_for_context(hfp_connection); 1531 } 1532 1533 void hfp_hf_set_microphone_gain(hci_con_handle_t acl_handle, int gain){ 1534 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1535 if (!hfp_connection) { 1536 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1537 return; 1538 } 1539 1540 if (hfp_connection->microphone_gain == gain) return; 1541 if (gain < 0 || gain > 15){ 1542 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1543 return; 1544 } 1545 hfp_connection->microphone_gain = gain; 1546 hfp_connection->send_microphone_gain = 1; 1547 hfp_run_for_context(hfp_connection); 1548 } 1549 1550 void hfp_hf_set_speaker_gain(hci_con_handle_t acl_handle, int gain){ 1551 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1552 if (!hfp_connection) { 1553 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1554 return; 1555 } 1556 1557 if (hfp_connection->speaker_gain == gain) return; 1558 if (gain < 0 || gain > 15){ 1559 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1560 return; 1561 } 1562 hfp_connection->speaker_gain = gain; 1563 hfp_connection->send_speaker_gain = 1; 1564 hfp_run_for_context(hfp_connection); 1565 } 1566 1567 void hfp_hf_send_dtmf_code(hci_con_handle_t acl_handle, char code){ 1568 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1569 if (!hfp_connection) { 1570 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1571 return; 1572 } 1573 1574 hfp_connection->hf_send_dtmf_code = code; 1575 hfp_run_for_context(hfp_connection); 1576 } 1577 1578 void hfp_hf_request_phone_number_for_voice_tag(hci_con_handle_t acl_handle){ 1579 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1580 if (!hfp_connection) { 1581 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1582 return; 1583 } 1584 hfp_connection->hf_send_binp = 1; 1585 hfp_run_for_context(hfp_connection); 1586 } 1587 1588 void hfp_hf_query_current_call_status(hci_con_handle_t acl_handle){ 1589 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1590 if (!hfp_connection) { 1591 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1592 return; 1593 } 1594 hfp_connection->hf_send_clcc = 1; 1595 hfp_run_for_context(hfp_connection); 1596 } 1597 1598 1599 void hfp_hf_rrh_query_status(hci_con_handle_t acl_handle){ 1600 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1601 if (!hfp_connection) { 1602 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1603 return; 1604 } 1605 hfp_connection->hf_send_rrh = 1; 1606 hfp_connection->hf_send_rrh_command = '?'; 1607 hfp_run_for_context(hfp_connection); 1608 } 1609 1610 void hfp_hf_rrh_hold_call(hci_con_handle_t acl_handle){ 1611 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1612 if (!hfp_connection) { 1613 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1614 return; 1615 } 1616 hfp_connection->hf_send_rrh = 1; 1617 hfp_connection->hf_send_rrh_command = '0'; 1618 hfp_run_for_context(hfp_connection); 1619 } 1620 1621 void hfp_hf_rrh_accept_held_call(hci_con_handle_t acl_handle){ 1622 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1623 if (!hfp_connection) { 1624 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1625 return; 1626 } 1627 hfp_connection->hf_send_rrh = 1; 1628 hfp_connection->hf_send_rrh_command = '1'; 1629 hfp_run_for_context(hfp_connection); 1630 } 1631 1632 void hfp_hf_rrh_reject_held_call(hci_con_handle_t acl_handle){ 1633 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1634 if (!hfp_connection) { 1635 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1636 return; 1637 } 1638 hfp_connection->hf_send_rrh = 1; 1639 hfp_connection->hf_send_rrh_command = '2'; 1640 hfp_run_for_context(hfp_connection); 1641 } 1642 1643 void hfp_hf_query_subscriber_number(hci_con_handle_t acl_handle){ 1644 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1645 if (!hfp_connection) { 1646 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1647 return; 1648 } 1649 hfp_connection->hf_send_cnum = 1; 1650 hfp_run_for_context(hfp_connection); 1651 } 1652 1653 void hfp_hf_set_hf_indicator(hci_con_handle_t acl_handle, int assigned_number, int value){ 1654 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1655 if (!hfp_connection) { 1656 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1657 return; 1658 } 1659 // find index for assigned number 1660 int i; 1661 for (i = 0; i < hfp_indicators_nr ; i++){ 1662 if (hfp_indicators[i] == assigned_number){ 1663 // set value 1664 hfp_indicators_value[i] = value; 1665 // mark for update 1666 if (hfp_connection->state > HFP_LIST_GENERIC_STATUS_INDICATORS){ 1667 hfp_connection->generic_status_update_bitmap |= (1<<i); 1668 // send update 1669 hfp_run_for_context(hfp_connection); 1670 } 1671 return; 1672 } 1673 } 1674 } 1675 1676