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