1 /******************************************************************************
2  *
3  *  Copyright 2003-2013 Broadcom Corporation
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 /******************************************************************************
20  *
21  *  This is the public interface file for BTA GATT.
22  *
23  ******************************************************************************/
24 
25 #ifndef BTA_GATT_API_H
26 #define BTA_GATT_API_H
27 
28 #include "bta/gatt/database.h"
29 #include "bta_api.h"
30 #include "gatt_api.h"
31 
32 #include <base/callback_forward.h>
33 #include <vector>
34 
35 #ifndef BTA_GATT_DEBUG
36 #define BTA_GATT_DEBUG false
37 #endif
38 
39 /*****************************************************************************
40  *  Constants and data types
41  ****************************************************************************/
42 /**************************
43  *  Common Definitions
44  **************************/
45 /* GATT ID */
46 typedef struct {
47   bluetooth::Uuid uuid; /* uuid of the attribute */
48   uint8_t inst_id;      /* instance ID */
49 } __attribute__((packed)) tBTA_GATT_ID;
50 
51 /* Client callback function events */
52 #define BTA_GATTC_DEREG_EVT 1        /* GATT client deregistered event */
53 #define BTA_GATTC_OPEN_EVT 2         /* GATTC open request status  event */
54 #define BTA_GATTC_CLOSE_EVT 5        /* GATTC  close request status event */
55 #define BTA_GATTC_SEARCH_CMPL_EVT 6  /* GATT discovery complete event */
56 #define BTA_GATTC_SEARCH_RES_EVT 7   /* GATT discovery result event */
57 #define BTA_GATTC_SRVC_DISC_DONE_EVT 8 /* GATT service discovery done event */
58 #define BTA_GATTC_NOTIF_EVT 10       /* GATT attribute notification event */
59 #define BTA_GATTC_EXEC_EVT 12        /* execute write complete event */
60 #define BTA_GATTC_ACL_EVT 13         /* ACL up event */
61 #define BTA_GATTC_CANCEL_OPEN_EVT 14 /* cancel open event */
62 #define BTA_GATTC_SRVC_CHG_EVT 15    /* service change event */
63 #define BTA_GATTC_ENC_CMPL_CB_EVT 17 /* encryption complete callback event */
64 #define BTA_GATTC_CFG_MTU_EVT 18     /* configure MTU complete event */
65 #define BTA_GATTC_CONGEST_EVT 24     /* Congestion event */
66 #define BTA_GATTC_PHY_UPDATE_EVT 25  /* PHY change event */
67 #define BTA_GATTC_CONN_UPDATE_EVT 26 /* Connection parameters update event */
68 
69 typedef uint8_t tBTA_GATTC_EVT;
70 
71 typedef struct {
72   uint16_t unit;  /* as UUIUD defined by SIG */
73   uint16_t descr; /* as UUID as defined by SIG */
74   tGATT_FORMAT format;
75   int8_t exp;
76   uint8_t name_spc; /* The name space of the description */
77 } tBTA_GATT_CHAR_PRES;
78 
79 /* Characteristic Aggregate Format attribute value
80  */
81 #define BTA_GATT_AGGR_HANDLE_NUM_MAX 10
82 typedef struct {
83   uint8_t num_handle;
84   uint16_t handle_list[BTA_GATT_AGGR_HANDLE_NUM_MAX];
85 } tBTA_GATT_CHAR_AGGRE;
86 
87 typedef struct {
88   uint16_t len;
89   uint8_t* p_value;
90 } tBTA_GATT_UNFMT;
91 
92 #define BTA_GATT_CONN_NONE 0x0101 /* 0x0101 no connection to cancel  */
93 typedef uint16_t tBTA_GATT_REASON;
94 
95 #define BTA_GATTC_MULTI_MAX GATT_MAX_READ_MULTI_HANDLES
96 
97 typedef struct {
98   uint8_t num_attr;
99   uint16_t handles[BTA_GATTC_MULTI_MAX];
100 } tBTA_GATTC_MULTI;
101 
102 /* callback data structure */
103 typedef struct {
104   tGATT_STATUS status;
105   tGATT_IF client_if;
106 } tBTA_GATTC_REG;
107 
108 typedef struct {
109   uint16_t conn_id;
110   tGATT_STATUS status;
111   uint16_t handle;
112   uint16_t len;
113   uint8_t value[GATT_MAX_ATTR_LEN];
114 } tBTA_GATTC_READ;
115 
116 typedef struct {
117   uint16_t conn_id;
118   tGATT_STATUS status;
119   uint16_t handle;
120 } tBTA_GATTC_WRITE;
121 
122 typedef struct {
123   uint16_t conn_id;
124   tGATT_STATUS status;
125 } tBTA_GATTC_EXEC_CMPL;
126 
127 typedef struct {
128   uint16_t conn_id;
129   tGATT_STATUS status;
130 } tBTA_GATTC_SEARCH_CMPL;
131 
132 typedef struct {
133   uint16_t conn_id;
134   tBTA_GATT_ID service_uuid;
135 } tBTA_GATTC_SRVC_RES;
136 
137 typedef struct {
138   uint16_t conn_id;
139   tGATT_STATUS status;
140   uint16_t mtu;
141 } tBTA_GATTC_CFG_MTU;
142 
143 typedef struct {
144   tGATT_STATUS status;
145   uint16_t conn_id;
146   tGATT_IF client_if;
147   RawAddress remote_bda;
148   tBTA_TRANSPORT transport;
149   uint16_t mtu;
150 } tBTA_GATTC_OPEN;
151 
152 typedef struct {
153   tGATT_STATUS status;
154   uint16_t conn_id;
155   tGATT_IF client_if;
156   RawAddress remote_bda;
157   tBTA_GATT_REASON reason; /* disconnect reason code, not useful when connect
158                               event is reported */
159 } tBTA_GATTC_CLOSE;
160 
161 typedef struct {
162   uint16_t conn_id;
163   RawAddress bda;
164   uint16_t handle;
165   uint16_t len;
166   uint8_t value[GATT_MAX_ATTR_LEN];
167   bool is_notify;
168 } tBTA_GATTC_NOTIFY;
169 
170 typedef struct {
171   uint16_t conn_id;
172   bool congested; /* congestion indicator */
173 } tBTA_GATTC_CONGEST;
174 
175 typedef struct {
176   tGATT_STATUS status;
177   tGATT_IF client_if;
178   uint16_t conn_id;
179   RawAddress remote_bda;
180 } tBTA_GATTC_OPEN_CLOSE;
181 
182 typedef struct {
183   tGATT_IF client_if;
184   RawAddress remote_bda;
185 } tBTA_GATTC_ENC_CMPL_CB;
186 
187 typedef struct {
188   tGATT_IF server_if;
189   uint16_t conn_id;
190   uint8_t tx_phy;
191   uint8_t rx_phy;
192   tGATT_STATUS status;
193 } tBTA_GATTC_PHY_UPDATE;
194 
195 typedef struct {
196   tGATT_IF server_if;
197   uint16_t conn_id;
198   uint16_t interval;
199   uint16_t latency;
200   uint16_t timeout;
201   tGATT_STATUS status;
202 } tBTA_GATTC_CONN_UPDATE;
203 
204 typedef union {
205   tGATT_STATUS status;
206 
207   tBTA_GATTC_SEARCH_CMPL search_cmpl; /* discovery complete */
208   tBTA_GATTC_SRVC_RES srvc_res;       /* discovery result */
209   tBTA_GATTC_REG reg_oper;            /* registration data */
210   tBTA_GATTC_OPEN open;
211   tBTA_GATTC_CLOSE close;
212   tBTA_GATTC_READ read;           /* read attribute/descriptor data */
213   tBTA_GATTC_WRITE write;         /* write complete data */
214   tBTA_GATTC_EXEC_CMPL exec_cmpl; /*  execute complete */
215   tBTA_GATTC_NOTIFY notify;       /* notification/indication event data */
216   tBTA_GATTC_ENC_CMPL_CB enc_cmpl;
217   RawAddress remote_bda;      /* service change event */
218   tBTA_GATTC_CFG_MTU cfg_mtu; /* configure MTU operation */
219   tBTA_GATTC_CONGEST congest;
220   tBTA_GATTC_PHY_UPDATE phy_update;
221   tBTA_GATTC_CONN_UPDATE conn_update;
222 } tBTA_GATTC;
223 
224 /* GATTC enable callback function */
225 typedef void(tBTA_GATTC_ENB_CBACK)(tGATT_STATUS status);
226 
227 /* Client callback function */
228 typedef void(tBTA_GATTC_CBACK)(tBTA_GATTC_EVT event, tBTA_GATTC* p_data);
229 
230 /* GATT Server Data Structure */
231 /* Server callback function events */
232 #define BTA_GATTS_REG_EVT 0
233 #define BTA_GATTS_READ_CHARACTERISTIC_EVT \
234   GATTS_REQ_TYPE_READ_CHARACTERISTIC                                 /* 1 */
235 #define BTA_GATTS_READ_DESCRIPTOR_EVT GATTS_REQ_TYPE_READ_DESCRIPTOR /* 2 */
236 #define BTA_GATTS_WRITE_CHARACTERISTIC_EVT \
237   GATTS_REQ_TYPE_WRITE_CHARACTERISTIC                                  /* 3 */
238 #define BTA_GATTS_WRITE_DESCRIPTOR_EVT GATTS_REQ_TYPE_WRITE_DESCRIPTOR /* 4 */
239 #define BTA_GATTS_EXEC_WRITE_EVT GATTS_REQ_TYPE_WRITE_EXEC             /* 5 */
240 #define BTA_GATTS_MTU_EVT GATTS_REQ_TYPE_MTU                           /* 6 */
241 #define BTA_GATTS_CONF_EVT GATTS_REQ_TYPE_CONF                         /* 7 */
242 #define BTA_GATTS_DEREG_EVT 8
243 #define BTA_GATTS_DELELTE_EVT 11
244 #define BTA_GATTS_STOP_EVT 13
245 #define BTA_GATTS_CONNECT_EVT 14
246 #define BTA_GATTS_DISCONNECT_EVT 15
247 #define BTA_GATTS_OPEN_EVT 16
248 #define BTA_GATTS_CANCEL_OPEN_EVT 17
249 #define BTA_GATTS_CLOSE_EVT 18
250 #define BTA_GATTS_CONGEST_EVT 20
251 #define BTA_GATTS_PHY_UPDATE_EVT 21
252 #define BTA_GATTS_CONN_UPDATE_EVT 22
253 
254 typedef uint8_t tBTA_GATTS_EVT;
255 
256 #define BTA_GATTS_INVALID_APP 0xff
257 
258 #define BTA_GATTS_INVALID_IF 0
259 
260 #ifndef BTA_GATTC_CHAR_DESCR_MAX
261 #define BTA_GATTC_CHAR_DESCR_MAX 7
262 #endif
263 
264 /***********************  NV callback Data Definitions   **********************
265  */
266 typedef struct {
267   bluetooth::Uuid app_uuid128;
268   bluetooth::Uuid svc_uuid;
269   uint16_t svc_inst;
270   uint16_t s_handle;
271   uint16_t e_handle;
272   bool is_primary; /* primary service or secondary */
273 } tBTA_GATTS_HNDL_RANGE;
274 
275 typedef struct {
276   tGATT_STATUS status;
277   RawAddress remote_bda;
278   uint32_t trans_id;
279   uint16_t conn_id;
280   tGATTS_DATA* p_data;
281 } tBTA_GATTS_REQ;
282 
283 typedef struct {
284   tGATT_IF server_if;
285   tGATT_STATUS status;
286   bluetooth::Uuid uuid;
287 } tBTA_GATTS_REG_OPER;
288 
289 typedef struct {
290   tGATT_IF server_if;
291   uint16_t service_id;
292   uint16_t svc_instance;
293   bool is_primary;
294   tGATT_STATUS status;
295   bluetooth::Uuid uuid;
296 } tBTA_GATTS_CREATE;
297 
298 typedef struct {
299   tGATT_IF server_if;
300   uint16_t service_id;
301   tGATT_STATUS status;
302 } tBTA_GATTS_SRVC_OPER;
303 
304 typedef struct {
305   tGATT_IF server_if;
306   RawAddress remote_bda;
307   uint16_t conn_id;
308   tBTA_GATT_REASON reason; /* report disconnect reason */
309   tGATT_TRANSPORT transport;
310 } tBTA_GATTS_CONN;
311 
312 typedef struct {
313   uint16_t conn_id;
314   bool congested; /* report channel congestion indicator */
315 } tBTA_GATTS_CONGEST;
316 
317 typedef struct {
318   uint16_t conn_id;        /* connection ID */
319   tGATT_STATUS status;     /* notification/indication status */
320 } tBTA_GATTS_CONF;
321 
322 typedef struct {
323   tGATT_IF server_if;
324   uint16_t conn_id;
325   uint8_t tx_phy;
326   uint8_t rx_phy;
327   tGATT_STATUS status;
328 } tBTA_GATTS_PHY_UPDATE;
329 
330 typedef struct {
331   tGATT_IF server_if;
332   uint16_t conn_id;
333   uint16_t interval;
334   uint16_t latency;
335   uint16_t timeout;
336   tGATT_STATUS status;
337 } tBTA_GATTS_CONN_UPDATE;
338 
339 /* GATTS callback data */
340 typedef union {
341   tBTA_GATTS_REG_OPER reg_oper;
342   tBTA_GATTS_CREATE create;
343   tBTA_GATTS_SRVC_OPER srvc_oper;
344   tGATT_STATUS status; /* BTA_GATTS_LISTEN_EVT */
345   tBTA_GATTS_REQ req_data;
346   tBTA_GATTS_CONN conn;             /* BTA_GATTS_CONN_EVT */
347   tBTA_GATTS_CONGEST congest;       /* BTA_GATTS_CONGEST_EVT callback data */
348   tBTA_GATTS_CONF confirm;          /* BTA_GATTS_CONF_EVT callback data */
349   tBTA_GATTS_PHY_UPDATE phy_update; /* BTA_GATTS_PHY_UPDATE_EVT callback data */
350   tBTA_GATTS_CONN_UPDATE
351       conn_update; /* BTA_GATTS_CONN_UPDATE_EVT callback data */
352 } tBTA_GATTS;
353 
354 /* GATTS enable callback function */
355 typedef void(tBTA_GATTS_ENB_CBACK)(tGATT_STATUS status);
356 
357 /* Server callback function */
358 typedef void(tBTA_GATTS_CBACK)(tBTA_GATTS_EVT event, tBTA_GATTS* p_data);
359 
360 /*****************************************************************************
361  *  External Function Declarations
362  ****************************************************************************/
363 
364 /**************************
365  *  Client Functions
366  **************************/
367 
368 /*******************************************************************************
369  *
370  * Function         BTA_GATTC_Disable
371  *
372  * Description      This function is called to disable the GATTC module
373  *
374  * Parameters       None.
375  *
376  * Returns          None
377  *
378  ******************************************************************************/
379 extern void BTA_GATTC_Disable(void);
380 
381 using BtaAppRegisterCallback =
382     base::Callback<void(uint8_t /* app_id */, uint8_t /* status */)>;
383 
384 /**
385  * This function is called to register application callbacks with BTA GATTC
386  *module.
387  * p_client_cb - pointer to the application callback function.
388  **/
389 extern void BTA_GATTC_AppRegister(tBTA_GATTC_CBACK* p_client_cb,
390                                   BtaAppRegisterCallback cb);
391 
392 /*******************************************************************************
393  *
394  * Function         BTA_GATTC_AppDeregister
395  *
396  * Description      This function is called to deregister an application
397  *                  from BTA GATTC module.
398  *
399  * Parameters       client_if - client interface identifier.
400  *
401  * Returns          None
402  *
403  ******************************************************************************/
404 extern void BTA_GATTC_AppDeregister(tGATT_IF client_if);
405 
406 /*******************************************************************************
407  *
408  * Function         BTA_GATTC_Open
409  *
410  * Description      Open a direct connection or add a background auto connection
411  *                  bd address
412  *
413  * Parameters       client_if: server interface.
414  *                  remote_bda: remote device BD address.
415  *                  is_direct: direct connection or background auto connection
416  *                  initiating_phys: LE PHY to use, optional
417  *
418  ******************************************************************************/
419 extern void BTA_GATTC_Open(tGATT_IF client_if, const RawAddress& remote_bda,
420                            bool is_direct, tGATT_TRANSPORT transport,
421                            bool opportunistic);
422 extern void BTA_GATTC_Open(tGATT_IF client_if, const RawAddress& remote_bda,
423                            bool is_direct, tGATT_TRANSPORT transport,
424                            bool opportunistic, uint8_t initiating_phys);
425 
426 /*******************************************************************************
427  *
428  * Function         BTA_GATTC_CancelOpen
429  *
430  * Description      Open a direct connection or add a background auto connection
431  *                  bd address
432  *
433  * Parameters       client_if: server interface.
434  *                  remote_bda: remote device BD address.
435  *                  is_direct: direct connection or background auto connection
436  *
437  * Returns          void
438  *
439  ******************************************************************************/
440 extern void BTA_GATTC_CancelOpen(tGATT_IF client_if,
441                                  const RawAddress& remote_bda, bool is_direct);
442 
443 /*******************************************************************************
444  *
445  * Function         BTA_GATTC_Close
446  *
447  * Description      Close a connection to a GATT server.
448  *
449  * Parameters       conn_id: connectino ID to be closed.
450  *
451  * Returns          void
452  *
453  ******************************************************************************/
454 extern void BTA_GATTC_Close(uint16_t conn_id);
455 
456 /*******************************************************************************
457  *
458  * Function         BTA_GATTC_ServiceSearchRequest
459  *
460  * Description      This function is called to request a GATT service discovery
461  *                  on a GATT server. This function report service search result
462  *                  by a callback event, and followed by a service search
463  *                  complete event.
464  *
465  * Parameters       conn_id: connection ID.
466  *                  p_srvc_uuid: a UUID of the service application is interested
467  *                               in. If Null, discover for all services.
468  *
469  * Returns          None
470  *
471  ******************************************************************************/
472 extern void BTA_GATTC_ServiceSearchRequest(uint16_t conn_id,
473                                            bluetooth::Uuid* p_srvc_uuid);
474 
475 /**
476  * This function is called to send "Find service by UUID" request. Used only for
477  * PTS tests.
478  */
479 extern void BTA_GATTC_DiscoverServiceByUuid(uint16_t conn_id,
480                                             const bluetooth::Uuid& srvc_uuid);
481 
482 /*******************************************************************************
483  *
484  * Function         BTA_GATTC_GetServices
485  *
486  * Description      This function is called to find the services on the given
487  *                  server.
488  *
489  * Parameters       conn_id: connection ID which identify the server.
490  *
491  * Returns          returns list of gatt::Service or NULL.
492  *
493  ******************************************************************************/
494 extern const std::list<gatt::Service>* BTA_GATTC_GetServices(uint16_t conn_id);
495 
496 /*******************************************************************************
497  *
498  * Function         BTA_GATTC_GetCharacteristic
499  *
500  * Description      This function is called to find the characteristic on the
501  *                  given server.
502  *
503  * Parameters       conn_id: connection ID which identify the server.
504  *                  handle: characteristic handle
505  *
506  * Returns          returns pointer to gatt::Characteristic or NULL.
507  *
508  ******************************************************************************/
509 extern const gatt::Characteristic* BTA_GATTC_GetCharacteristic(uint16_t conn_id,
510                                                                uint16_t handle);
511 
512 /*******************************************************************************
513  *
514  * Function         BTA_GATTC_GetDescriptor
515  *
516  * Description      This function is called to find the characteristic on the
517  *                  given server.
518  *
519  * Parameters       conn_id: connection ID which identify the server.
520  *                  handle: descriptor handle
521  *
522  * Returns          returns pointer to gatt::Descriptor or NULL.
523  *
524  ******************************************************************************/
525 extern const gatt::Descriptor* BTA_GATTC_GetDescriptor(uint16_t conn_id,
526                                                        uint16_t handle);
527 
528 /* Return characteristic that owns descriptor with handle equal to |handle|, or
529  * NULL */
530 extern const gatt::Characteristic* BTA_GATTC_GetOwningCharacteristic(
531     uint16_t conn_id, uint16_t handle);
532 
533 /* Return service that owns descriptor or characteristic with handle equal to
534  * |handle|, or NULL */
535 extern const gatt::Service* BTA_GATTC_GetOwningService(uint16_t conn_id,
536                                                        uint16_t handle);
537 
538 /*******************************************************************************
539  *
540  * Function         BTA_GATTC_GetGattDb
541  *
542  * Description      This function is called to get gatt db.
543  *
544  * Parameters       conn_id: connection ID which identify the server.
545  *                  db: output parameter which will contain gatt db copy.
546  *                      Caller is responsible for freeing it.
547  *                  count: number of elements in db.
548  *
549  ******************************************************************************/
550 extern void BTA_GATTC_GetGattDb(uint16_t conn_id, uint16_t start_handle,
551                                 uint16_t end_handle, btgatt_db_element_t** db,
552                                 int* count);
553 
554 typedef void (*GATT_READ_OP_CB)(uint16_t conn_id, tGATT_STATUS status,
555                                 uint16_t handle, uint16_t len, uint8_t* value,
556                                 void* data);
557 typedef void (*GATT_WRITE_OP_CB)(uint16_t conn_id, tGATT_STATUS status,
558                                  uint16_t handle, void* data);
559 
560 /*******************************************************************************
561  *
562  * Function         BTA_GATTC_ReadCharacteristic
563  *
564  * Description      This function is called to read a characteristics value
565  *
566  * Parameters       conn_id - connectino ID.
567  *                  handle - characteritic handle to read.
568  *
569  * Returns          None
570  *
571  ******************************************************************************/
572 void BTA_GATTC_ReadCharacteristic(uint16_t conn_id, uint16_t handle,
573                                   tGATT_AUTH_REQ auth_req,
574                                   GATT_READ_OP_CB callback, void* cb_data);
575 
576 /**
577  * This function is called to read a value of characteristic with uuid equal to
578  * |uuid|
579  */
580 void BTA_GATTC_ReadUsingCharUuid(uint16_t conn_id, const bluetooth::Uuid& uuid,
581                                  uint16_t s_handle, uint16_t e_handle,
582                                  tGATT_AUTH_REQ auth_req,
583                                  GATT_READ_OP_CB callback, void* cb_data);
584 
585 /*******************************************************************************
586  *
587  * Function         BTA_GATTC_ReadCharDescr
588  *
589  * Description      This function is called to read a descriptor value.
590  *
591  * Parameters       conn_id - connection ID.
592  *                  handle - descriptor handle to read.
593  *
594  * Returns          None
595  *
596  ******************************************************************************/
597 void BTA_GATTC_ReadCharDescr(uint16_t conn_id, uint16_t handle,
598                              tGATT_AUTH_REQ auth_req, GATT_READ_OP_CB callback,
599                              void* cb_data);
600 
601 /*******************************************************************************
602  *
603  * Function         BTA_GATTC_WriteCharValue
604  *
605  * Description      This function is called to write characteristic value.
606  *
607  * Parameters       conn_id - connection ID.
608  *                  handle - characteristic handle to write.
609  *                  write_type - type of write.
610  *                  value - the value to be written.
611  *
612  * Returns          None
613  *
614  ******************************************************************************/
615 void BTA_GATTC_WriteCharValue(uint16_t conn_id, uint16_t handle,
616                               tGATT_WRITE_TYPE write_type,
617                               std::vector<uint8_t> value,
618                               tGATT_AUTH_REQ auth_req,
619                               GATT_WRITE_OP_CB callback, void* cb_data);
620 
621 /*******************************************************************************
622  *
623  * Function         BTA_GATTC_WriteCharDescr
624  *
625  * Description      This function is called to write descriptor value.
626  *
627  * Parameters       conn_id - connection ID
628  *                  handle - descriptor handle to write.
629  *                  value - the value to be written.
630  *
631  * Returns          None
632  *
633  ******************************************************************************/
634 void BTA_GATTC_WriteCharDescr(uint16_t conn_id, uint16_t handle,
635                               std::vector<uint8_t> value,
636                               tGATT_AUTH_REQ auth_req,
637                               GATT_WRITE_OP_CB callback, void* cb_data);
638 
639 /*******************************************************************************
640  *
641  * Function         BTA_GATTC_SendIndConfirm
642  *
643  * Description      This function is called to send handle value confirmation.
644  *
645  * Parameters       conn_id - connection ID.
646  *                  handle - characteristic handle to confirm.
647  *
648  * Returns          None
649  *
650  ******************************************************************************/
651 extern void BTA_GATTC_SendIndConfirm(uint16_t conn_id, uint16_t handle);
652 
653 /*******************************************************************************
654  *
655  * Function         BTA_GATTC_RegisterForNotifications
656  *
657  * Description      This function is called to register for notification of a
658  *                  service.
659  *
660  * Parameters       client_if - client interface.
661  *                  remote_bda - target GATT server.
662  *                  handle - GATT characteristic handle.
663  *
664  * Returns          OK if registration succeed, otherwise failed.
665  *
666  ******************************************************************************/
667 extern tGATT_STATUS BTA_GATTC_RegisterForNotifications(
668     tGATT_IF client_if, const RawAddress& remote_bda, uint16_t handle);
669 
670 /*******************************************************************************
671  *
672  * Function         BTA_GATTC_DeregisterForNotifications
673  *
674  * Description      This function is called to de-register for notification of a
675  *                  service.
676  *
677  * Parameters       client_if - client interface.
678  *                  remote_bda - target GATT server.
679  *                  handle - GATT characteristic handle.
680  *
681  * Returns          OK if deregistration succeed, otherwise failed.
682  *
683  ******************************************************************************/
684 extern tGATT_STATUS BTA_GATTC_DeregisterForNotifications(
685     tGATT_IF client_if, const RawAddress& remote_bda, uint16_t handle);
686 
687 /*******************************************************************************
688  *
689  * Function         BTA_GATTC_PrepareWrite
690  *
691  * Description      This function is called to prepare write a characteristic
692  *                  value.
693  *
694  * Parameters       conn_id - connection ID.
695  *                  handle - GATT characteritic handle.
696  *                  offset - offset of the write value.
697  *                  value - the value to be written.
698  *
699  * Returns          None
700  *
701  ******************************************************************************/
702 extern void BTA_GATTC_PrepareWrite(uint16_t conn_id, uint16_t handle,
703                                    uint16_t offset, std::vector<uint8_t> value,
704                                    tGATT_AUTH_REQ auth_req,
705                                    GATT_WRITE_OP_CB callback, void* cb_data);
706 
707 /*******************************************************************************
708  *
709  * Function         BTA_GATTC_ExecuteWrite
710  *
711  * Description      This function is called to execute write a prepare write
712  *                  sequence.
713  *
714  * Parameters       conn_id - connection ID.
715  *                    is_execute - execute or cancel.
716  *
717  * Returns          None
718  *
719  ******************************************************************************/
720 extern void BTA_GATTC_ExecuteWrite(uint16_t conn_id, bool is_execute);
721 
722 /*******************************************************************************
723  *
724  * Function         BTA_GATTC_ReadMultiple
725  *
726  * Description      This function is called to read multiple characteristic or
727  *                  characteristic descriptors.
728  *
729  * Parameters       conn_id - connectino ID.
730  *                    p_read_multi - read multiple parameters.
731  *
732  * Returns          None
733  *
734  ******************************************************************************/
735 extern void BTA_GATTC_ReadMultiple(uint16_t conn_id,
736                                    tBTA_GATTC_MULTI* p_read_multi,
737                                    tGATT_AUTH_REQ auth_req);
738 
739 /*******************************************************************************
740  *
741  * Function         BTA_GATTC_Refresh
742  *
743  * Description      Refresh the server cache of the remote device
744  *
745  * Parameters       remote_bda: remote device BD address.
746  *
747  * Returns          void
748  *
749  ******************************************************************************/
750 extern void BTA_GATTC_Refresh(const RawAddress& remote_bda);
751 
752 /*******************************************************************************
753  *
754  * Function         BTA_GATTC_ConfigureMTU
755  *
756  * Description      Configure the MTU size in the GATT channel. This can be done
757  *                  only once per connection.
758  *
759  * Parameters       conn_id: connection ID.
760  *                  mtu: desired MTU size to use.
761  *
762  * Returns          void
763  *
764  ******************************************************************************/
765 extern void BTA_GATTC_ConfigureMTU(uint16_t conn_id, uint16_t mtu);
766 
767 /*******************************************************************************
768  *  BTA GATT Server API
769  ******************************************************************************/
770 
771 /*******************************************************************************
772  *
773  * Function         BTA_GATTS_Init
774  *
775  * Description      This function is called to initalize GATTS module
776  *
777  * Parameters       None
778  *
779  * Returns          None
780  *
781  ******************************************************************************/
782 extern void BTA_GATTS_Init();
783 
784 /*******************************************************************************
785  *
786  * Function         BTA_GATTS_Disable
787  *
788  * Description      This function is called to disable GATTS module
789  *
790  * Parameters       None.
791  *
792  * Returns          None
793  *
794  ******************************************************************************/
795 extern void BTA_GATTS_Disable(void);
796 
797 /*******************************************************************************
798  *
799  * Function         BTA_GATTS_AppRegister
800  *
801  * Description      This function is called to register application callbacks
802  *                    with BTA GATTS module.
803  *
804  * Parameters       p_app_uuid - applicaiton UUID
805  *                  p_cback - pointer to the application callback function.
806  *
807  * Returns          None
808  *
809  ******************************************************************************/
810 extern void BTA_GATTS_AppRegister(const bluetooth::Uuid& app_uuid,
811                                   tBTA_GATTS_CBACK* p_cback);
812 
813 /*******************************************************************************
814  *
815  * Function         BTA_GATTS_AppDeregister
816  *
817  * Description      De-register with BTA GATT Server.
818  *
819  * Parameters       server_if: server interface
820  *
821  * Returns          void
822  *
823  ******************************************************************************/
824 extern void BTA_GATTS_AppDeregister(tGATT_IF server_if);
825 
826 /*******************************************************************************
827  *
828  * Function         BTA_GATTS_AddService
829  *
830  * Description      Add the given |service| and all included elements to the
831  *                  GATT database. a |BTA_GATTS_ADD_SRVC_EVT| is triggered to
832  *                  report the status and attribute handles.
833  *
834  * Parameters       server_if: server interface.
835  *                  service: pointer to vector describing service.
836  *
837  * Returns          Returns |GATT_SUCCESS| on success or |GATT_ERROR| if the
838  *                  service cannot be added.
839  *
840  ******************************************************************************/
841 typedef base::Callback<void(uint8_t status, int server_if,
842                             std::vector<btgatt_db_element_t> service)>
843     BTA_GATTS_AddServiceCb;
844 
845 extern void BTA_GATTS_AddService(tGATT_IF server_if,
846                                  std::vector<btgatt_db_element_t> service,
847                                  BTA_GATTS_AddServiceCb cb);
848 
849 /*******************************************************************************
850  *
851  * Function         BTA_GATTS_DeleteService
852  *
853  * Description      This function is called to delete a service. When this is
854  *                  done, a callback event BTA_GATTS_DELETE_EVT is report with
855  *                  the status.
856  *
857  * Parameters       service_id: service_id to be deleted.
858  *
859  * Returns          returns none.
860  *
861  ******************************************************************************/
862 extern void BTA_GATTS_DeleteService(uint16_t service_id);
863 
864 /*******************************************************************************
865  *
866  * Function         BTA_GATTS_StopService
867  *
868  * Description      This function is called to stop a service.
869  *
870  * Parameters       service_id - service to be topped.
871  *
872  * Returns          None
873  *
874  ******************************************************************************/
875 extern void BTA_GATTS_StopService(uint16_t service_id);
876 
877 /*******************************************************************************
878  *
879  * Function         BTA_GATTS_HandleValueIndication
880  *
881  * Description      This function is called to read a characteristics
882  *                  descriptor.
883  *
884  * Parameters       conn_id - connection identifier.
885  *                  attr_id - attribute ID to indicate.
886  *                  value - data to indicate.
887  *                  need_confirm - if this indication expects a confirmation or
888  *                                 not.
889  *
890  * Returns          None
891  *
892  ******************************************************************************/
893 extern void BTA_GATTS_HandleValueIndication(uint16_t conn_id, uint16_t attr_id,
894                                             std::vector<uint8_t> value,
895                                             bool need_confirm);
896 
897 /*******************************************************************************
898  *
899  * Function         BTA_GATTS_SendRsp
900  *
901  * Description      This function is called to send a response to a request.
902  *
903  * Parameters       conn_id - connection identifier.
904  *                  trans_id - transaction ID.
905  *                  status - response status
906  *                  p_msg - response data.
907  *
908  * Returns          None
909  *
910  ******************************************************************************/
911 extern void BTA_GATTS_SendRsp(uint16_t conn_id, uint32_t trans_id,
912                               tGATT_STATUS status, tGATTS_RSP* p_msg);
913 
914 /*******************************************************************************
915  *
916  * Function         BTA_GATTS_Open
917  *
918  * Description      Open a direct open connection or add a background auto
919  *                  connection bd address
920  *
921  * Parameters       server_if: server interface.
922  *                  remote_bda: remote device BD address.
923  *                  is_direct: direct connection or background auto connection
924  *
925  * Returns          void
926  *
927  ******************************************************************************/
928 extern void BTA_GATTS_Open(tGATT_IF server_if, const RawAddress& remote_bda,
929                            bool is_direct, tGATT_TRANSPORT transport);
930 
931 /*******************************************************************************
932  *
933  * Function         BTA_GATTS_CancelOpen
934  *
935  * Description      Cancel a direct open connection or remove a background auto
936  *                  connection bd address
937  *
938  * Parameters       server_if: server interface.
939  *                  remote_bda: remote device BD address.
940  *                  is_direct: direct connection or background auto connection
941  *
942  * Returns          void
943  *
944  ******************************************************************************/
945 extern void BTA_GATTS_CancelOpen(tGATT_IF server_if,
946                                  const RawAddress& remote_bda, bool is_direct);
947 
948 /*******************************************************************************
949  *
950  * Function         BTA_GATTS_Close
951  *
952  * Description      Close a connection  a remote device.
953  *
954  * Parameters       conn_id: connectino ID to be closed.
955  *
956  * Returns          void
957  *
958  ******************************************************************************/
959 extern void BTA_GATTS_Close(uint16_t conn_id);
960 
961 #endif /* BTA_GATT_API_H */
962