1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_INCLUDE_BLUETOOTH_H 18 #define ANDROID_INCLUDE_BLUETOOTH_H 19 20 #include <stdbool.h> 21 #include <stdint.h> 22 #include <sys/cdefs.h> 23 #include <sys/types.h> 24 25 #include <hardware/hardware.h> 26 27 __BEGIN_DECLS 28 29 /** 30 * The Bluetooth Hardware Module ID 31 */ 32 33 #define BT_HARDWARE_MODULE_ID "bluetooth" 34 #define BT_STACK_MODULE_ID "bluetooth" 35 #define BT_STACK_TEST_MODULE_ID "bluetooth_test" 36 37 38 /** Bluetooth profile interface IDs */ 39 40 #define BT_PROFILE_HANDSFREE_ID "handsfree" 41 #define BT_PROFILE_HANDSFREE_CLIENT_ID "handsfree_client" 42 #define BT_PROFILE_ADVANCED_AUDIO_ID "a2dp" 43 #define BT_PROFILE_ADVANCED_AUDIO_SINK_ID "a2dp_sink" 44 #define BT_PROFILE_HEALTH_ID "health" 45 #define BT_PROFILE_SOCKETS_ID "socket" 46 #define BT_PROFILE_HIDHOST_ID "hidhost" 47 #define BT_PROFILE_HIDDEV_ID "hiddev" 48 #define BT_PROFILE_PAN_ID "pan" 49 #define BT_PROFILE_MAP_CLIENT_ID "map_client" 50 #define BT_PROFILE_SDP_CLIENT_ID "sdp" 51 #define BT_PROFILE_GATT_ID "gatt" 52 #define BT_PROFILE_AV_RC_ID "avrcp" 53 #define BT_PROFILE_AV_RC_CTRL_ID "avrcp_ctrl" 54 55 /** Bluetooth test interface IDs */ 56 #define BT_TEST_INTERFACE_MCAP_ID "mcap_test" 57 58 /** Bluetooth Address */ 59 typedef struct { 60 uint8_t address[6]; 61 } __attribute__((packed))bt_bdaddr_t; 62 63 /** Bluetooth Device Name */ 64 typedef struct { 65 uint8_t name[249]; 66 } __attribute__((packed))bt_bdname_t; 67 68 /** Bluetooth Adapter Visibility Modes*/ 69 typedef enum { 70 BT_SCAN_MODE_NONE, 71 BT_SCAN_MODE_CONNECTABLE, 72 BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE 73 } bt_scan_mode_t; 74 75 /** Bluetooth Adapter State */ 76 typedef enum { 77 BT_STATE_OFF, 78 BT_STATE_ON 79 } bt_state_t; 80 81 /** Bluetooth Error Status */ 82 /** We need to build on this */ 83 84 typedef enum { 85 BT_STATUS_SUCCESS, 86 BT_STATUS_FAIL, 87 BT_STATUS_NOT_READY, 88 BT_STATUS_NOMEM, 89 BT_STATUS_BUSY, 90 BT_STATUS_DONE, /* request already completed */ 91 BT_STATUS_UNSUPPORTED, 92 BT_STATUS_PARM_INVALID, 93 BT_STATUS_UNHANDLED, 94 BT_STATUS_AUTH_FAILURE, 95 BT_STATUS_RMT_DEV_DOWN, 96 BT_STATUS_AUTH_REJECTED, 97 BT_STATUS_JNI_ENVIRONMENT_ERROR, 98 BT_STATUS_JNI_THREAD_ATTACH_ERROR, 99 BT_STATUS_WAKELOCK_ERROR 100 } bt_status_t; 101 102 /** Bluetooth PinKey Code */ 103 typedef struct { 104 uint8_t pin[16]; 105 } __attribute__((packed))bt_pin_code_t; 106 107 typedef struct { 108 uint8_t status; 109 uint8_t ctrl_state; /* stack reported state */ 110 uint64_t tx_time; /* in ms */ 111 uint64_t rx_time; /* in ms */ 112 uint64_t idle_time; /* in ms */ 113 uint64_t energy_used; /* a product of mA, V and ms */ 114 } __attribute__((packed))bt_activity_energy_info; 115 116 typedef struct { 117 int32_t app_uid; 118 uint64_t tx_bytes; 119 uint64_t rx_bytes; 120 } __attribute__((packed))bt_uid_traffic_t; 121 122 /** Bluetooth Adapter Discovery state */ 123 typedef enum { 124 BT_DISCOVERY_STOPPED, 125 BT_DISCOVERY_STARTED 126 } bt_discovery_state_t; 127 128 /** Bluetooth ACL connection state */ 129 typedef enum { 130 BT_ACL_STATE_CONNECTED, 131 BT_ACL_STATE_DISCONNECTED 132 } bt_acl_state_t; 133 134 /** Bluetooth 128-bit UUID */ 135 typedef struct { 136 uint8_t uu[16]; 137 } bt_uuid_t; 138 139 /** Bluetooth SDP service record */ 140 typedef struct 141 { 142 bt_uuid_t uuid; 143 uint16_t channel; 144 char name[256]; // what's the maximum length 145 } bt_service_record_t; 146 147 148 /** Bluetooth Remote Version info */ 149 typedef struct 150 { 151 int version; 152 int sub_ver; 153 int manufacturer; 154 } bt_remote_version_t; 155 156 typedef struct 157 { 158 uint16_t version_supported; 159 uint8_t local_privacy_enabled; 160 uint8_t max_adv_instance; 161 uint8_t rpa_offload_supported; 162 uint8_t max_irk_list_size; 163 uint8_t max_adv_filter_supported; 164 uint8_t activity_energy_info_supported; 165 uint16_t scan_result_storage_size; 166 uint16_t total_trackable_advertisers; 167 bool extended_scan_support; 168 bool debug_logging_supported; 169 bool le_2m_phy_supported; 170 bool le_coded_phy_supported; 171 bool le_extended_advertising_supported; 172 bool le_periodic_advertising_supported; 173 uint16_t le_maximum_advertising_data_length; 174 }bt_local_le_features_t; 175 176 /* Bluetooth Adapter and Remote Device property types */ 177 typedef enum { 178 /* Properties common to both adapter and remote device */ 179 /** 180 * Description - Bluetooth Device Name 181 * Access mode - Adapter name can be GET/SET. Remote device can be GET 182 * Data type - bt_bdname_t 183 */ 184 BT_PROPERTY_BDNAME = 0x1, 185 /** 186 * Description - Bluetooth Device Address 187 * Access mode - Only GET. 188 * Data type - bt_bdaddr_t 189 */ 190 BT_PROPERTY_BDADDR, 191 /** 192 * Description - Bluetooth Service 128-bit UUIDs 193 * Access mode - Only GET. 194 * Data type - Array of bt_uuid_t (Array size inferred from property length). 195 */ 196 BT_PROPERTY_UUIDS, 197 /** 198 * Description - Bluetooth Class of Device as found in Assigned Numbers 199 * Access mode - Only GET. 200 * Data type - uint32_t. 201 */ 202 BT_PROPERTY_CLASS_OF_DEVICE, 203 /** 204 * Description - Device Type - BREDR, BLE or DUAL Mode 205 * Access mode - Only GET. 206 * Data type - bt_device_type_t 207 */ 208 BT_PROPERTY_TYPE_OF_DEVICE, 209 /** 210 * Description - Bluetooth Service Record 211 * Access mode - Only GET. 212 * Data type - bt_service_record_t 213 */ 214 BT_PROPERTY_SERVICE_RECORD, 215 216 /* Properties unique to adapter */ 217 /** 218 * Description - Bluetooth Adapter scan mode 219 * Access mode - GET and SET 220 * Data type - bt_scan_mode_t. 221 */ 222 BT_PROPERTY_ADAPTER_SCAN_MODE, 223 /** 224 * Description - List of bonded devices 225 * Access mode - Only GET. 226 * Data type - Array of bt_bdaddr_t of the bonded remote devices 227 * (Array size inferred from property length). 228 */ 229 BT_PROPERTY_ADAPTER_BONDED_DEVICES, 230 /** 231 * Description - Bluetooth Adapter Discovery timeout (in seconds) 232 * Access mode - GET and SET 233 * Data type - uint32_t 234 */ 235 BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT, 236 237 /* Properties unique to remote device */ 238 /** 239 * Description - User defined friendly name of the remote device 240 * Access mode - GET and SET 241 * Data type - bt_bdname_t. 242 */ 243 BT_PROPERTY_REMOTE_FRIENDLY_NAME, 244 /** 245 * Description - RSSI value of the inquired remote device 246 * Access mode - Only GET. 247 * Data type - int32_t. 248 */ 249 BT_PROPERTY_REMOTE_RSSI, 250 /** 251 * Description - Remote version info 252 * Access mode - SET/GET. 253 * Data type - bt_remote_version_t. 254 */ 255 256 BT_PROPERTY_REMOTE_VERSION_INFO, 257 258 /** 259 * Description - Local LE features 260 * Access mode - GET. 261 * Data type - bt_local_le_features_t. 262 */ 263 BT_PROPERTY_LOCAL_LE_FEATURES, 264 265 BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP = 0xFF, 266 } bt_property_type_t; 267 268 /** Bluetooth Adapter Property data structure */ 269 typedef struct 270 { 271 bt_property_type_t type; 272 int len; 273 void *val; 274 } bt_property_t; 275 276 /** Bluetooth Out Of Band data for bonding */ 277 typedef struct 278 { 279 uint8_t le_bt_dev_addr[7]; /* LE Bluetooth Device Address */ 280 uint8_t c192[16]; /* Simple Pairing Hash C-192 */ 281 uint8_t r192[16]; /* Simple Pairing Randomizer R-192 */ 282 uint8_t c256[16]; /* Simple Pairing Hash C-256 */ 283 uint8_t r256[16]; /* Simple Pairing Randomizer R-256 */ 284 uint8_t sm_tk[16]; /* Security Manager TK Value */ 285 uint8_t le_sc_c[16]; /* LE Secure Connections Confirmation Value */ 286 uint8_t le_sc_r[16]; /* LE Secure Connections Random Value */ 287 } bt_out_of_band_data_t; 288 289 290 291 /** Bluetooth Device Type */ 292 typedef enum { 293 BT_DEVICE_DEVTYPE_BREDR = 0x1, 294 BT_DEVICE_DEVTYPE_BLE, 295 BT_DEVICE_DEVTYPE_DUAL 296 } bt_device_type_t; 297 /** Bluetooth Bond state */ 298 typedef enum { 299 BT_BOND_STATE_NONE, 300 BT_BOND_STATE_BONDING, 301 BT_BOND_STATE_BONDED 302 } bt_bond_state_t; 303 304 /** Bluetooth SSP Bonding Variant */ 305 typedef enum { 306 BT_SSP_VARIANT_PASSKEY_CONFIRMATION, 307 BT_SSP_VARIANT_PASSKEY_ENTRY, 308 BT_SSP_VARIANT_CONSENT, 309 BT_SSP_VARIANT_PASSKEY_NOTIFICATION 310 } bt_ssp_variant_t; 311 312 #define BT_MAX_NUM_UUIDS 32 313 314 /** Bluetooth Interface callbacks */ 315 316 /** Bluetooth Enable/Disable Callback. */ 317 typedef void (*adapter_state_changed_callback)(bt_state_t state); 318 319 /** GET/SET Adapter Properties callback */ 320 /* TODO: For the GET/SET property APIs/callbacks, we may need a session 321 * identifier to associate the call with the callback. This would be needed 322 * whenever more than one simultaneous instance of the same adapter_type 323 * is get/set. 324 * 325 * If this is going to be handled in the Java framework, then we do not need 326 * to manage sessions here. 327 */ 328 typedef void (*adapter_properties_callback)(bt_status_t status, 329 int num_properties, 330 bt_property_t *properties); 331 332 /** GET/SET Remote Device Properties callback */ 333 /** TODO: For remote device properties, do not see a need to get/set 334 * multiple properties - num_properties shall be 1 335 */ 336 typedef void (*remote_device_properties_callback)(bt_status_t status, 337 bt_bdaddr_t *bd_addr, 338 int num_properties, 339 bt_property_t *properties); 340 341 /** New device discovered callback */ 342 /** If EIR data is not present, then BD_NAME and RSSI shall be NULL and -1 343 * respectively */ 344 typedef void (*device_found_callback)(int num_properties, 345 bt_property_t *properties); 346 347 /** Discovery state changed callback */ 348 typedef void (*discovery_state_changed_callback)(bt_discovery_state_t state); 349 350 /** Bluetooth Legacy PinKey Request callback */ 351 typedef void (*pin_request_callback)(bt_bdaddr_t *remote_bd_addr, 352 bt_bdname_t *bd_name, uint32_t cod, bool min_16_digit); 353 354 /** Bluetooth SSP Request callback - Just Works & Numeric Comparison*/ 355 /** pass_key - Shall be 0 for BT_SSP_PAIRING_VARIANT_CONSENT & 356 * BT_SSP_PAIRING_PASSKEY_ENTRY */ 357 /* TODO: Passkey request callback shall not be needed for devices with display 358 * capability. We still need support this in the stack for completeness */ 359 typedef void (*ssp_request_callback)(bt_bdaddr_t *remote_bd_addr, 360 bt_bdname_t *bd_name, 361 uint32_t cod, 362 bt_ssp_variant_t pairing_variant, 363 uint32_t pass_key); 364 365 /** Bluetooth Bond state changed callback */ 366 /* Invoked in response to create_bond, cancel_bond or remove_bond */ 367 typedef void (*bond_state_changed_callback)(bt_status_t status, 368 bt_bdaddr_t *remote_bd_addr, 369 bt_bond_state_t state); 370 371 /** Bluetooth ACL connection state changed callback */ 372 typedef void (*acl_state_changed_callback)(bt_status_t status, bt_bdaddr_t *remote_bd_addr, 373 bt_acl_state_t state); 374 375 typedef enum { 376 ASSOCIATE_JVM, 377 DISASSOCIATE_JVM 378 } bt_cb_thread_evt; 379 380 /** Thread Associate/Disassociate JVM Callback */ 381 /* Callback that is invoked by the callback thread to allow upper layer to attach/detach to/from 382 * the JVM */ 383 typedef void (*callback_thread_event)(bt_cb_thread_evt evt); 384 385 /** Bluetooth Test Mode Callback */ 386 /* Receive any HCI event from controller. Must be in DUT Mode for this callback to be received */ 387 typedef void (*dut_mode_recv_callback)(uint16_t opcode, uint8_t *buf, uint8_t len); 388 389 /* LE Test mode callbacks 390 * This callback shall be invoked whenever the le_tx_test, le_rx_test or le_test_end is invoked 391 * The num_packets is valid only for le_test_end command */ 392 typedef void (*le_test_mode_callback)(bt_status_t status, uint16_t num_packets); 393 394 /** Callback invoked when energy details are obtained */ 395 /* Ctrl_state-Current controller state-Active-1,scan-2,or idle-3 state as defined by HCI spec. 396 * If the ctrl_state value is 0, it means the API call failed 397 * Time values-In milliseconds as returned by the controller 398 * Energy used-Value as returned by the controller 399 * Status-Provides the status of the read_energy_info API call 400 * uid_data provides an array of bt_uid_traffic_t, where the array is terminated by an element with 401 * app_uid set to -1. 402 */ 403 typedef void (*energy_info_callback)(bt_activity_energy_info *energy_info, 404 bt_uid_traffic_t *uid_data); 405 406 /** TODO: Add callbacks for Link Up/Down and other generic 407 * notifications/callbacks */ 408 409 /** Bluetooth DM callback structure. */ 410 typedef struct { 411 /** set to sizeof(bt_callbacks_t) */ 412 size_t size; 413 adapter_state_changed_callback adapter_state_changed_cb; 414 adapter_properties_callback adapter_properties_cb; 415 remote_device_properties_callback remote_device_properties_cb; 416 device_found_callback device_found_cb; 417 discovery_state_changed_callback discovery_state_changed_cb; 418 pin_request_callback pin_request_cb; 419 ssp_request_callback ssp_request_cb; 420 bond_state_changed_callback bond_state_changed_cb; 421 acl_state_changed_callback acl_state_changed_cb; 422 callback_thread_event thread_evt_cb; 423 dut_mode_recv_callback dut_mode_recv_cb; 424 le_test_mode_callback le_test_mode_cb; 425 energy_info_callback energy_info_cb; 426 } bt_callbacks_t; 427 428 typedef void (*alarm_cb)(void *data); 429 typedef bool (*set_wake_alarm_callout)(uint64_t delay_millis, bool should_wake, alarm_cb cb, void *data); 430 typedef int (*acquire_wake_lock_callout)(const char *lock_name); 431 typedef int (*release_wake_lock_callout)(const char *lock_name); 432 433 /** The set of functions required by bluedroid to set wake alarms and 434 * grab wake locks. This struct is passed into the stack through the 435 * |set_os_callouts| function on |bt_interface_t|. 436 */ 437 typedef struct { 438 /* set to sizeof(bt_os_callouts_t) */ 439 size_t size; 440 441 set_wake_alarm_callout set_wake_alarm; 442 acquire_wake_lock_callout acquire_wake_lock; 443 release_wake_lock_callout release_wake_lock; 444 } bt_os_callouts_t; 445 446 /** NOTE: By default, no profiles are initialized at the time of init/enable. 447 * Whenever the application invokes the 'init' API of a profile, then one of 448 * the following shall occur: 449 * 450 * 1.) If Bluetooth is not enabled, then the Bluetooth core shall mark the 451 * profile as enabled. Subsequently, when the application invokes the 452 * Bluetooth 'enable', as part of the enable sequence the profile that were 453 * marked shall be enabled by calling appropriate stack APIs. The 454 * 'adapter_properties_cb' shall return the list of UUIDs of the 455 * enabled profiles. 456 * 457 * 2.) If Bluetooth is enabled, then the Bluetooth core shall invoke the stack 458 * profile API to initialize the profile and trigger a 459 * 'adapter_properties_cb' with the current list of UUIDs including the 460 * newly added profile's UUID. 461 * 462 * The reverse shall occur whenever the profile 'cleanup' APIs are invoked 463 */ 464 465 /** Represents the standard Bluetooth DM interface. */ 466 typedef struct { 467 /** set to sizeof(bt_interface_t) */ 468 size_t size; 469 /** 470 * Opens the interface and provides the callback routines 471 * to the implemenation of this interface. 472 */ 473 int (*init)(bt_callbacks_t* callbacks ); 474 475 /** Enable Bluetooth. */ 476 int (*enable)(bool guest_mode); 477 478 /** Disable Bluetooth. */ 479 int (*disable)(void); 480 481 /** Closes the interface. */ 482 void (*cleanup)(void); 483 484 /** Get all Bluetooth Adapter properties at init */ 485 int (*get_adapter_properties)(void); 486 487 /** Get Bluetooth Adapter property of 'type' */ 488 int (*get_adapter_property)(bt_property_type_t type); 489 490 /** Set Bluetooth Adapter property of 'type' */ 491 /* Based on the type, val shall be one of 492 * bt_bdaddr_t or bt_bdname_t or bt_scanmode_t etc 493 */ 494 int (*set_adapter_property)(const bt_property_t *property); 495 496 /** Get all Remote Device properties */ 497 int (*get_remote_device_properties)(bt_bdaddr_t *remote_addr); 498 499 /** Get Remote Device property of 'type' */ 500 int (*get_remote_device_property)(bt_bdaddr_t *remote_addr, 501 bt_property_type_t type); 502 503 /** Set Remote Device property of 'type' */ 504 int (*set_remote_device_property)(bt_bdaddr_t *remote_addr, 505 const bt_property_t *property); 506 507 /** Get Remote Device's service record for the given UUID */ 508 int (*get_remote_service_record)(bt_bdaddr_t *remote_addr, 509 bt_uuid_t *uuid); 510 511 /** Start SDP to get remote services */ 512 int (*get_remote_services)(bt_bdaddr_t *remote_addr); 513 514 /** Start Discovery */ 515 int (*start_discovery)(void); 516 517 /** Cancel Discovery */ 518 int (*cancel_discovery)(void); 519 520 /** Create Bluetooth Bonding */ 521 int (*create_bond)(const bt_bdaddr_t *bd_addr, int transport); 522 523 /** Create Bluetooth Bond using out of band data */ 524 int (*create_bond_out_of_band)(const bt_bdaddr_t *bd_addr, int transport, 525 const bt_out_of_band_data_t *oob_data); 526 527 /** Remove Bond */ 528 int (*remove_bond)(const bt_bdaddr_t *bd_addr); 529 530 /** Cancel Bond */ 531 int (*cancel_bond)(const bt_bdaddr_t *bd_addr); 532 533 /** 534 * Get the connection status for a given remote device. 535 * return value of 0 means the device is not connected, 536 * non-zero return status indicates an active connection. 537 */ 538 int (*get_connection_state)(const bt_bdaddr_t *bd_addr); 539 540 /** BT Legacy PinKey Reply */ 541 /** If accept==FALSE, then pin_len and pin_code shall be 0x0 */ 542 int (*pin_reply)(const bt_bdaddr_t *bd_addr, uint8_t accept, 543 uint8_t pin_len, bt_pin_code_t *pin_code); 544 545 /** BT SSP Reply - Just Works, Numeric Comparison and Passkey 546 * passkey shall be zero for BT_SSP_VARIANT_PASSKEY_COMPARISON & 547 * BT_SSP_VARIANT_CONSENT 548 * For BT_SSP_VARIANT_PASSKEY_ENTRY, if accept==FALSE, then passkey 549 * shall be zero */ 550 int (*ssp_reply)(const bt_bdaddr_t *bd_addr, bt_ssp_variant_t variant, 551 uint8_t accept, uint32_t passkey); 552 553 /** Get Bluetooth profile interface */ 554 const void* (*get_profile_interface) (const char *profile_id); 555 556 /** Bluetooth Test Mode APIs - Bluetooth must be enabled for these APIs */ 557 /* Configure DUT Mode - Use this mode to enter/exit DUT mode */ 558 int (*dut_mode_configure)(uint8_t enable); 559 560 /* Send any test HCI (vendor-specific) command to the controller. Must be in DUT Mode */ 561 int (*dut_mode_send)(uint16_t opcode, uint8_t *buf, uint8_t len); 562 /** BLE Test Mode APIs */ 563 /* opcode MUST be one of: LE_Receiver_Test, LE_Transmitter_Test, LE_Test_End */ 564 int (*le_test_mode)(uint16_t opcode, uint8_t *buf, uint8_t len); 565 566 /** Sets the OS call-out functions that bluedroid needs for alarms and wake locks. 567 * This should be called immediately after a successful |init|. 568 */ 569 int (*set_os_callouts)(bt_os_callouts_t *callouts); 570 571 /** Read Energy info details - return value indicates BT_STATUS_SUCCESS or BT_STATUS_NOT_READY 572 * Success indicates that the VSC command was sent to controller 573 */ 574 int (*read_energy_info)(); 575 576 /** 577 * Native support for dumpsys function 578 * Function is synchronous and |fd| is owned by caller. 579 * |arguments| are arguments which may affect the output, encoded as 580 * UTF-8 strings. 581 */ 582 void (*dump)(int fd, const char **arguments); 583 584 /** 585 * Clear /data/misc/bt_config.conf and erase all stored connections 586 */ 587 int (*config_clear)(void); 588 589 /** 590 * Clear (reset) the dynamic portion of the device interoperability database. 591 */ 592 void (*interop_database_clear)(void); 593 594 /** 595 * Add a new device interoperability workaround for a remote device whose 596 * first |len| bytes of the its device address match |addr|. 597 * NOTE: |feature| has to match an item defined in interop_feature_t (interop.h). 598 */ 599 void (*interop_database_add)(uint16_t feature, const bt_bdaddr_t *addr, size_t len); 600 } bt_interface_t; 601 602 /** TODO: Need to add APIs for Service Discovery, Service authorization and 603 * connection management. Also need to add APIs for configuring 604 * properties of remote bonded devices such as name, UUID etc. */ 605 606 typedef struct { 607 struct hw_device_t common; 608 const bt_interface_t* (*get_bluetooth_interface)(); 609 } bluetooth_device_t; 610 611 typedef bluetooth_device_t bluetooth_module_t; 612 613 614 __END_DECLS 615 616 #endif /* ANDROID_INCLUDE_BLUETOOTH_H */ 617