1 /* 2 * Copyright (C) 2009-2012 by Matthias Ringwald 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 MATTHIAS RINGWALD 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 [email protected] 34 * 35 */ 36 37 /* 38 * hci.h 39 * 40 * Created by Matthias Ringwald on 4/29/09. 41 * 42 */ 43 44 #ifndef __HCI_H 45 #define __HCI_H 46 47 #include "btstack-config.h" 48 49 #include <btstack/hci_cmds.h> 50 #include <btstack/utils.h> 51 #include "hci_transport.h" 52 #include "bt_control.h" 53 #include "remote_device_db.h" 54 55 #include <stdint.h> 56 #include <stdlib.h> 57 #include <stdarg.h> 58 #include <btstack/linked_list.h> 59 60 #if defined __cplusplus 61 extern "C" { 62 #endif 63 64 // packet header sizes 65 #define HCI_CMD_HEADER_SIZE 3 66 #define HCI_ACL_HEADER_SIZE 4 67 #define HCI_SCO_HEADER_SIZE 3 68 #define HCI_EVENT_HEADER_SIZE 2 69 70 // packet sizes (max payload) 71 #define HCI_ACL_DM1_SIZE 17 72 #define HCI_ACL_DH1_SIZE 27 73 #define HCI_ACL_2DH1_SIZE 54 74 #define HCI_ACL_3DH1_SIZE 83 75 #define HCI_ACL_DM3_SIZE 121 76 #define HCI_ACL_DH3_SIZE 183 77 #define HCI_ACL_DM5_SIZE 224 78 #define HCI_ACL_DH5_SIZE 339 79 #define HCI_ACL_2DH3_SIZE 367 80 #define HCI_ACL_3DH3_SIZE 552 81 #define HCI_ACL_2DH5_SIZE 679 82 #define HCI_ACL_3DH5_SIZE 1021 83 84 #define HCI_EVENT_PAYLOAD_SIZE 255 85 #define HCI_CMD_PAYLOAD_SIZE 255 86 87 // packet buffer sizes 88 // HCI_ACL_PAYLOAD_SIZE is configurable and defined in config.h 89 #define HCI_EVENT_BUFFER_SIZE (HCI_EVENT_HEADER_SIZE + HCI_EVENT_PAYLOAD_SIZE) 90 #define HCI_CMD_BUFFER_SIZE (HCI_CMD_HEADER_SIZE + HCI_CMD_PAYLOAD_SIZE) 91 #define HCI_ACL_BUFFER_SIZE (HCI_ACL_HEADER_SIZE + HCI_ACL_PAYLOAD_SIZE) 92 93 // size of hci buffers, big enough for command, event, or acl packet without H4 packet type 94 // @note cmd buffer is bigger than event buffer 95 #ifdef HCI_PACKET_BUFFER_SIZE 96 #if HCI_PACKET_BUFFER_SIZE < HCI_ACL_BUFFER_SIZE 97 #error HCI_PACKET_BUFFER_SIZE must be equal or larger than HCI_ACL_BUFFER_SIZE 98 #endif 99 #if HCI_PACKET_BUFFER_SIZE < HCI_CMD_BUFFER_SIZE 100 #error HCI_PACKET_BUFFER_SIZE must be equal or larger than HCI_CMD_BUFFER_SIZE 101 #endif 102 #else 103 #if HCI_ACL_BUFFER_SIZE > HCI_CMD_BUFFER_SIZE 104 #define HCI_PACKET_BUFFER_SIZE HCI_ACL_BUFFER_SIZE 105 #else 106 #define HCI_PACKET_BUFFER_SIZE HCI_CMD_BUFFER_SIZE 107 #endif 108 #endif 109 110 // additional pre-buffer space for packets to Bluetooth module, for now, used for HCI Transport H4 DMA 111 #define HCI_OUTGOING_PRE_BUFFER_SIZE 1 112 113 // BNEP may uncompress the IP Header by 16 bytes 114 #ifdef HAVE_BNEP 115 #define HCI_INCOMING_PRE_BUFFER_SIZE (16 - HCI_ACL_HEADER_SIZE - 4) 116 #endif 117 #ifndef HCI_INCOMING_PRE_BUFFER_SIZE 118 #define HCI_INCOMING_PRE_BUFFER_SIZE 0 119 #endif 120 121 // OGFs 122 #define OGF_LINK_CONTROL 0x01 123 #define OGF_LINK_POLICY 0x02 124 #define OGF_CONTROLLER_BASEBAND 0x03 125 #define OGF_INFORMATIONAL_PARAMETERS 0x04 126 #define OGF_STATUS_PARAMETERS 0x05 127 #define OGF_LE_CONTROLLER 0x08 128 #define OGF_BTSTACK 0x3d 129 #define OGF_VENDOR 0x3f 130 131 // cmds for BTstack 132 // get state: @returns HCI_STATE 133 #define BTSTACK_GET_STATE 0x01 134 135 // set power mode: @param HCI_POWER_MODE 136 #define BTSTACK_SET_POWER_MODE 0x02 137 138 // set capture mode: @param on 139 #define BTSTACK_SET_ACL_CAPTURE_MODE 0x03 140 141 // get BTstack version 142 #define BTSTACK_GET_VERSION 0x04 143 144 // get system Bluetooth state 145 #define BTSTACK_GET_SYSTEM_BLUETOOTH_ENABLED 0x05 146 147 // set system Bluetooth state 148 #define BTSTACK_SET_SYSTEM_BLUETOOTH_ENABLED 0x06 149 150 // enable inquiry scan for this client 151 #define BTSTACK_SET_DISCOVERABLE 0x07 152 153 // set global Bluetooth state 154 #define BTSTACK_SET_BLUETOOTH_ENABLED 0x08 155 156 // create l2cap channel: @param bd_addr(48), psm (16) 157 #define L2CAP_CREATE_CHANNEL 0x20 158 159 // disconnect l2cap disconnect, @param channel(16), reason(8) 160 #define L2CAP_DISCONNECT 0x21 161 162 // register l2cap service: @param psm(16), mtu (16) 163 #define L2CAP_REGISTER_SERVICE 0x22 164 165 // unregister l2cap disconnect, @param psm(16) 166 #define L2CAP_UNREGISTER_SERVICE 0x23 167 168 // accept connection @param bd_addr(48), dest cid (16) 169 #define L2CAP_ACCEPT_CONNECTION 0x24 170 171 // decline l2cap disconnect,@param bd_addr(48), dest cid (16), reason(8) 172 #define L2CAP_DECLINE_CONNECTION 0x25 173 174 // create l2cap channel: @param bd_addr(48), psm (16), mtu (16) 175 #define L2CAP_CREATE_CHANNEL_MTU 0x26 176 177 // register SDP Service Record: service record (size) 178 #define SDP_REGISTER_SERVICE_RECORD 0x30 179 180 // unregister SDP Service Record 181 #define SDP_UNREGISTER_SERVICE_RECORD 0x31 182 183 // Get remote RFCOMM services 184 #define SDP_CLIENT_QUERY_RFCOMM_SERVICES 0x32 185 186 // Get remote SDP services 187 #define SDP_CLIENT_QUERY_SERVICES 0x33 188 189 // RFCOMM "HCI" Commands 190 #define RFCOMM_CREATE_CHANNEL 0x40 191 #define RFCOMM_DISCONNECT 0x41 192 #define RFCOMM_REGISTER_SERVICE 0x42 193 #define RFCOMM_UNREGISTER_SERVICE 0x43 194 #define RFCOMM_ACCEPT_CONNECTION 0x44 195 #define RFCOMM_DECLINE_CONNECTION 0x45 196 #define RFCOMM_PERSISTENT_CHANNEL 0x46 197 #define RFCOMM_CREATE_CHANNEL_WITH_CREDITS 0x47 198 #define RFCOMM_REGISTER_SERVICE_WITH_CREDITS 0x48 199 #define RFCOMM_GRANT_CREDITS 0x49 200 201 // GAP Classic 0x50 202 #define GAP_DISCONNECT 0x50 203 204 // GAP LE 0x60 205 #define GAP_LE_SCAN_START 0x60 206 #define GAP_LE_SCAN_STOP 0x61 207 #define GAP_LE_CONNECT 0x62 208 #define GAP_LE_CONNECT_CANCEL 0x63 209 #define GAP_LE_SET_SCAN_PARAMETERS 0x64 210 211 // GATT (Client) 0x70 212 #define GATT_DISCOVER_ALL_PRIMARY_SERVICES 0x70 213 #define GATT_DISCOVER_PRIMARY_SERVICES_BY_UUID16 0x71 214 #define GATT_DISCOVER_PRIMARY_SERVICES_BY_UUID128 0x72 215 #define GATT_FIND_INCLUDED_SERVICES_FOR_SERVICE 0x73 216 #define GATT_DISCOVER_CHARACTERISTICS_FOR_SERVICE 0x74 217 #define GATT_DISCOVER_CHARACTERISTICS_FOR_SERVICE_BY_UUID128 0x75 218 #define GATT_DISCOVER_CHARACTERISTIC_DESCRIPTORS 0x76 219 #define GATT_READ_VALUE_OF_CHARACTERISTIC 0x77 220 #define GATT_READ_LONG_VALUE_OF_CHARACTERISTIC 0x78 221 #define GATT_WRITE_VALUE_OF_CHARACTERISTIC_WITHOUT_RESPONSE 0x79 222 #define GATT_WRITE_VALUE_OF_CHARACTERISTIC 0x7A 223 #define GATT_WRITE_LONG_VALUE_OF_CHARACTERISTIC 0x7B 224 #define GATT_RELIABLE_WRITE_LONG_VALUE_OF_CHARACTERISTIC 0x7C 225 #define GATT_READ_CHARACTERISTIC_DESCRIPTOR 0X7D 226 #define GATT_READ_LONG_CHARACTERISTIC_DESCRIPTOR 0X7E 227 #define GATT_WRITE_CHARACTERISTIC_DESCRIPTOR 0X7F 228 #define GATT_WRITE_LONG_CHARACTERISTIC_DESCRIPTOR 0X80 229 #define GATT_WRITE_CLIENT_CHARACTERISTIC_CONFIGURATION 0X81 230 231 // 232 #define IS_COMMAND(packet, command) (READ_BT_16(packet,0) == command.opcode) 233 234 // data: event(8) 235 #define DAEMON_EVENT_CONNECTION_OPENED 0x50 236 237 // data: event(8) 238 #define DAEMON_EVENT_CONNECTION_CLOSED 0x51 239 240 // data: event(8), nr_connections(8) 241 #define DAEMON_NR_CONNECTIONS_CHANGED 0x52 242 243 // data: event(8) 244 #define DAEMON_EVENT_NEW_RFCOMM_CREDITS 0x53 245 246 // data: event(8) 247 #define DAEMON_EVENT_HCI_PACKET_SENT 0x54 248 249 /** 250 * LE connection parameter update state 251 */ 252 253 typedef enum { 254 CON_PARAMETER_UPDATE_NONE, 255 CON_PARAMETER_UPDATE_SEND_RESPONSE, 256 CON_PARAMETER_UPDATE_CHANGE_HCI_CON_PARAMETERS, 257 CON_PARAMETER_UPDATE_DENY 258 } le_con_parameter_update_state_t; 259 260 typedef struct le_connection_parameter_range{ 261 uint16_t le_conn_interval_min; 262 uint16_t le_conn_interval_max; 263 uint16_t le_conn_latency_min; 264 uint16_t le_conn_latency_max; 265 uint16_t le_supervision_timeout_min; 266 uint16_t le_supervision_timeout_max; 267 } le_connection_parameter_range_t; 268 269 // Authentication flags 270 typedef enum { 271 AUTH_FLAGS_NONE = 0x0000, 272 RECV_LINK_KEY_REQUEST = 0x0001, 273 HANDLE_LINK_KEY_REQUEST = 0x0002, 274 SENT_LINK_KEY_REPLY = 0x0004, 275 SENT_LINK_KEY_NEGATIVE_REQUEST = 0x0008, 276 RECV_LINK_KEY_NOTIFICATION = 0x0010, 277 DENY_PIN_CODE_REQUEST = 0x0040, 278 RECV_IO_CAPABILITIES_REQUEST = 0x0080, 279 SEND_IO_CAPABILITIES_REPLY = 0x0100, 280 SEND_USER_CONFIRM_REPLY = 0x0200, 281 SEND_USER_PASSKEY_REPLY = 0x0400, 282 283 // pairing status 284 LEGACY_PAIRING_ACTIVE = 0x2000, 285 SSP_PAIRING_ACTIVE = 0x4000, 286 287 // connection status 288 CONNECTION_ENCRYPTED = 0x8000, 289 } hci_authentication_flags_t; 290 291 /** 292 * Connection State 293 */ 294 typedef enum { 295 SEND_CREATE_CONNECTION = 0, 296 SENT_CREATE_CONNECTION, 297 SEND_CANCEL_CONNECTION, 298 SENT_CANCEL_CONNECTION, 299 RECEIVED_CONNECTION_REQUEST, 300 ACCEPTED_CONNECTION_REQUEST, 301 REJECTED_CONNECTION_REQUEST, 302 OPEN, 303 SEND_DISCONNECT, 304 SENT_DISCONNECT 305 } CONNECTION_STATE; 306 307 // bonding flags 308 enum { 309 BONDING_REQUEST_REMOTE_FEATURES = 0x01, 310 BONDING_RECEIVED_REMOTE_FEATURES = 0x02, 311 BONDING_REMOTE_SUPPORTS_SSP = 0x04, 312 BONDING_DISCONNECT_SECURITY_BLOCK = 0x08, 313 BONDING_DISCONNECT_DEDICATED_DONE = 0x10, 314 BONDING_SEND_AUTHENTICATE_REQUEST = 0x20, 315 BONDING_SEND_ENCRYPTION_REQUEST = 0x40, 316 BONDING_DEDICATED = 0x80, 317 BONDING_EMIT_COMPLETE_ON_DISCONNECT = 0x100 318 }; 319 320 typedef enum { 321 BLUETOOTH_OFF = 1, 322 BLUETOOTH_ON, 323 BLUETOOTH_ACTIVE 324 } BLUETOOTH_STATE; 325 326 // le central scanning state 327 typedef enum { 328 LE_SCAN_IDLE, 329 LE_START_SCAN, 330 LE_SCANNING, 331 LE_STOP_SCAN, 332 } le_scanning_state_t; 333 334 335 typedef struct { 336 // linked list - assert: first field 337 linked_item_t item; 338 339 // remote side 340 bd_addr_t address; 341 342 // module handle 343 hci_con_handle_t con_handle; 344 345 // le public, le random, classic 346 bd_addr_type_t address_type; 347 348 // connection state 349 CONNECTION_STATE state; 350 351 // bonding 352 uint16_t bonding_flags; 353 uint8_t bonding_status; 354 // requested security level 355 gap_security_level_t requested_security_level; 356 357 // 358 link_key_type_t link_key_type; 359 360 // errands 361 uint32_t authentication_flags; 362 363 timer_source_t timeout; 364 365 #ifdef HAVE_TIME 366 // timer 367 struct timeval timestamp; 368 #endif 369 #ifdef HAVE_TICK 370 uint32_t timestamp; // timeout in system ticks 371 #endif 372 373 // ACL packet recombination - PRE_BUFFER + ACL Header + ACL payload 374 uint8_t acl_recombination_buffer[HCI_INCOMING_PRE_BUFFER_SIZE + 4 + HCI_ACL_BUFFER_SIZE]; 375 uint16_t acl_recombination_pos; 376 uint16_t acl_recombination_length; 377 378 // number ACL packets sent to controller 379 uint8_t num_acl_packets_sent; 380 381 // connection parameter update 382 le_con_parameter_update_state_t le_con_parameter_update_state; 383 uint16_t le_conn_interval_min; 384 uint16_t le_conn_interval_max; 385 uint16_t le_conn_latency; 386 uint16_t le_supervision_timeout; 387 uint16_t le_update_con_parameter_response; 388 } hci_connection_t; 389 390 391 /** 392 * main data structure 393 */ 394 typedef struct { 395 // transport component with configuration 396 hci_transport_t * hci_transport; 397 void * config; 398 399 // bsic configuration 400 const char * local_name; 401 uint32_t class_of_device; 402 bd_addr_t local_bd_addr; 403 uint8_t ssp_enable; 404 uint8_t ssp_io_capability; 405 uint8_t ssp_authentication_requirement; 406 uint8_t ssp_auto_accept; 407 408 // hardware power controller 409 bt_control_t * control; 410 411 // list of existing baseband connections 412 linked_list_t connections; 413 414 // single buffer for HCI packet assembly + additional prebuffer for H4 drivers 415 uint8_t hci_packet_buffer_prefix[HCI_OUTGOING_PRE_BUFFER_SIZE]; 416 uint8_t hci_packet_buffer[HCI_PACKET_BUFFER_SIZE]; // opcode (16), len(8) 417 uint8_t hci_packet_buffer_reserved; 418 uint16_t acl_fragmentation_pos; 419 uint16_t acl_fragmentation_total_size; 420 421 /* host to controller flow control */ 422 uint8_t num_cmd_packets; 423 // uint8_t total_num_cmd_packets; 424 uint8_t acl_packets_total_num; 425 uint16_t acl_data_packet_length; 426 uint8_t le_acl_packets_total_num; 427 uint16_t le_data_packets_length; 428 429 /* local supported features */ 430 uint8_t local_supported_features[8]; 431 432 // usable packet types given acl_data_packet_length and HCI_ACL_BUFFER_SIZE 433 uint16_t packet_types; 434 435 /* callback to L2CAP layer */ 436 void (*packet_handler)(uint8_t packet_type, uint8_t *packet, uint16_t size); 437 438 /* remote device db */ 439 remote_device_db_t const*remote_device_db; 440 441 /* hci state machine */ 442 HCI_STATE state; 443 uint8_t substate; 444 uint8_t cmds_ready; 445 446 uint16_t last_cmd_opcode; 447 448 uint8_t discoverable; 449 uint8_t connectable; 450 uint8_t bondable; 451 452 /* buffer for scan enable cmd - 0xff no change */ 453 uint8_t new_scan_enable_value; 454 455 // buffer for single connection decline 456 uint8_t decline_reason; 457 bd_addr_t decline_addr; 458 459 uint8_t adv_addr_type; 460 bd_addr_t adv_address; 461 462 le_scanning_state_t le_scanning_state; 463 464 // buffer for le scan type command - 0xff not set 465 uint8_t le_scan_type; 466 uint16_t le_scan_interval; 467 uint16_t le_scan_window; 468 469 le_connection_parameter_range_t le_connection_parameter_range; 470 } hci_stack_t; 471 472 /** 473 * set connection iterator 474 */ 475 void hci_connections_get_iterator(linked_list_iterator_t *it); 476 477 le_connection_parameter_range_t gap_le_get_connection_parameter_range(); 478 void gap_le_set_connection_parameter_range(le_connection_parameter_range_t range); 479 480 // *************** le client start 481 482 le_command_status_t le_central_start_scan(void); 483 le_command_status_t le_central_stop_scan(void); 484 le_command_status_t le_central_connect(bd_addr_t * addr, bd_addr_type_t addr_type); 485 le_command_status_t le_central_connect_cancel(void); 486 le_command_status_t gap_disconnect(hci_con_handle_t handle); 487 void le_central_set_scan_parameters(uint8_t scan_type, uint16_t scan_interval, uint16_t scan_window); 488 489 // *************** le client end 490 491 // create and send hci command packets based on a template and a list of parameters 492 uint16_t hci_create_cmd(uint8_t *hci_cmd_buffer, hci_cmd_t *cmd, ...); 493 uint16_t hci_create_cmd_internal(uint8_t *hci_cmd_buffer, const hci_cmd_t *cmd, va_list argptr); 494 495 void hci_connectable_control(uint8_t enable); 496 void hci_close(void); 497 498 /** 499 * run the hci control loop once 500 */ 501 void hci_run(void); 502 503 // send complete CMD packet 504 int hci_send_cmd_packet(uint8_t *packet, int size); 505 506 // send ACL packet prepared in hci packet buffer 507 int hci_send_acl_packet_buffer(int size); 508 509 // new functions replacing hci_can_send_packet_now[_using_packet_buffer] 510 int hci_can_send_command_packet_now(void); 511 int hci_can_send_acl_packet_now(hci_con_handle_t con_handle); 512 int hci_can_send_prepared_acl_packet_now(hci_con_handle_t con_handle); 513 514 // non-blocking UART driver needs 515 // @deprecated use hci_can_send_X_now instead 516 int hci_can_send_packet_now(uint8_t packet_type); 517 518 // same as hci_can_send_packet_now, but also checks if packet buffer is free for use 519 // @deprecated use hci_can_send_X_now instead 520 int hci_can_send_packet_now_using_packet_buffer(uint8_t packet_type); 521 522 // reserves outgoing packet buffer. @returns 1 if successful 523 int hci_reserve_packet_buffer(void); 524 void hci_release_packet_buffer(void); 525 526 // used for internal checks in l2cap[-le].c 527 int hci_is_packet_buffer_reserved(void); 528 529 // get point to packet buffer 530 uint8_t* hci_get_outgoing_packet_buffer(void); 531 532 bd_addr_t * hci_local_bd_addr(void); 533 hci_connection_t * hci_connection_for_handle(hci_con_handle_t con_handle); 534 hci_connection_t * hci_connection_for_bd_addr_and_type(bd_addr_t *addr, bd_addr_type_t addr_type); 535 int hci_is_le_connection(hci_connection_t * connection); 536 uint8_t hci_number_outgoing_packets(hci_con_handle_t handle); 537 uint8_t hci_number_free_acl_slots_for_handle(hci_con_handle_t con_handle); 538 int hci_authentication_active_for_handle(hci_con_handle_t handle); 539 uint16_t hci_max_acl_data_packet_length(void); 540 uint16_t hci_max_acl_le_data_packet_length(void); 541 uint16_t hci_usable_acl_packet_types(void); 542 int hci_non_flushable_packet_boundary_flag_supported(void); 543 544 void hci_disconnect_all(void); 545 546 void hci_emit_state(void); 547 void hci_emit_connection_complete(hci_connection_t *conn, uint8_t status); 548 void hci_emit_l2cap_check_timeout(hci_connection_t *conn); 549 void hci_emit_disconnection_complete(uint16_t handle, uint8_t reason); 550 void hci_emit_nr_connections_changed(void); 551 void hci_emit_hci_open_failed(void); 552 void hci_emit_btstack_version(void); 553 void hci_emit_system_bluetooth_enabled(uint8_t enabled); 554 void hci_emit_remote_name_cached(bd_addr_t *addr, device_name_t *name); 555 void hci_emit_discoverable_enabled(uint8_t enabled); 556 void hci_emit_security_level(hci_con_handle_t con_handle, gap_security_level_t level); 557 void hci_emit_dedicated_bonding_result(bd_addr_t address, uint8_t status); 558 559 // query if remote side supports SSP 560 // query if the local side supports SSP 561 int hci_local_ssp_activated(void); 562 563 // query if the remote side supports SSP 564 int hci_remote_ssp_supported(hci_con_handle_t con_handle); 565 566 // query if both sides support SSP 567 int hci_ssp_supported_on_both_sides(hci_con_handle_t handle); 568 569 // disable automatic l2cap disconnect for testing 570 void hci_disable_l2cap_timeout_check(void); 571 572 // disconnect because of security block 573 void hci_disconnect_security_block(hci_con_handle_t con_handle); 574 575 /** Embedded API **/ 576 577 // Set up HCI. Needs to be called before any other function 578 void hci_init(hci_transport_t *transport, void *config, bt_control_t *control, remote_device_db_t const* remote_device_db); 579 580 // Set class of device that will be set during Bluetooth init 581 void hci_set_class_of_device(uint32_t class_of_device); 582 583 // Registers a packet handler. Used if L2CAP is not used (rarely). 584 void hci_register_packet_handler(void (*handler)(uint8_t packet_type, uint8_t *packet, uint16_t size)); 585 586 // Requests the change of BTstack power mode. 587 int hci_power_control(HCI_POWER_MODE mode); 588 589 // Allows to control if device is discoverable. OFF by default. 590 void hci_discoverable_control(uint8_t enable); 591 592 // Creates and sends HCI command packets based on a template and 593 // a list of parameters. Will return error if outgoing data buffer 594 // is occupied. 595 int hci_send_cmd(const hci_cmd_t *cmd, ...); 596 597 // Deletes link key for remote device with baseband address. 598 void hci_drop_link_key_for_bd_addr(bd_addr_t *addr); 599 600 // Configure Secure Simple Pairing 601 602 // enable will enable SSP during init 603 void hci_ssp_set_enable(int enable); 604 605 // if set, BTstack will respond to io capability request using authentication requirement 606 void hci_ssp_set_io_capability(int ssp_io_capability); 607 void hci_ssp_set_authentication_requirement(int authentication_requirement); 608 609 // if set, BTstack will confirm a numberic comparion and enter '000000' if requested 610 void hci_ssp_set_auto_accept(int auto_accept); 611 612 // get addr type and address used in advertisement packets 613 void hci_le_advertisement_address(uint8_t * addr_type, bd_addr_t * addr); 614 615 616 #if defined __cplusplus 617 } 618 #endif 619 620 #endif // __HCI_H 621