1 /******************************************************************************
3 * Copyright (C) 1999-2012 Broadcom Corporation
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 ******************************************************************************/
19 /******************************************************************************
21 * this file contains GATT interface functions
23 ******************************************************************************/
24 #include "bt_target.h"
27 #if defined(BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE)
29 #include "bt_common.h"
37 /*******************************************************************************
39 ** Function GATT_SetTraceLevel
41 ** Description This function sets the trace level. If called with
42 ** a value of 0xFF, it simply returns the current trace level.
45 ** level: The level to set the GATT tracing to:
46 ** 0xff-returns the current setting.
47 ** 0-turns off tracing.
54 ** Returns The new or current trace level
56 *******************************************************************************/
57 UINT8 GATT_SetTraceLevel (UINT8 new_level)
59 if (new_level != 0xFF)
60 gatt_cb.trace_level = new_level;
62 return(gatt_cb.trace_level);
65 /*****************************************************************************
69 ******************************************************************************/
70 /*******************************************************************************
72 ** Function GATTS_AddHandleRange
74 ** Description This function add the allocated handles range for the specifed
75 ** application UUID, service UUID and service instance
77 ** Parameter p_hndl_range: pointer to allocated handles information
79 ** Returns TRUE if handle range is added sucessfully; otherwise FALSE.
81 *******************************************************************************/
83 BOOLEAN GATTS_AddHandleRange(tGATTS_HNDL_RANGE *p_hndl_range)
85 tGATT_HDL_LIST_ELEM *p_buf;
86 BOOLEAN status= FALSE;
88 if ((p_buf = gatt_alloc_hdl_buffer()) != NULL)
90 p_buf->asgn_range = *p_hndl_range;
91 status = gatt_add_an_item_to_list(&gatt_cb.hdl_list_info, p_buf);
97 /*******************************************************************************
99 ** Function GATTS_NVRegister
101 ** Description Application manager calls this function to register for
102 ** NV save callback function. There can be one and only one
103 ** NV save callback function.
105 ** Parameter p_cb_info : callback informaiton
107 ** Returns TRUE if registered OK, else FALSE
109 *******************************************************************************/
110 BOOLEAN GATTS_NVRegister (tGATT_APPL_INFO *p_cb_info)
112 BOOLEAN status= FALSE;
115 gatt_cb.cb_info = *p_cb_info;
123 /*******************************************************************************
125 ** Function GATTS_CreateService
127 ** Description This function is called to reserve a block of handles for a service.
129 ** *** It should be called only once per service instance ***
131 ** Parameter gatt_if : application if
132 ** p_svc_uuid : service UUID
133 ** svc_inst : instance of the service inside the application
134 ** num_handles : number of handles needed by the service.
135 ** is_pri : is a primary service or not.
137 ** Returns service handle if sucessful, otherwise 0.
139 *******************************************************************************/
140 UINT16 GATTS_CreateService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid,
141 UINT16 svc_inst, UINT16 num_handles, BOOLEAN is_pri)
144 tGATT_HDL_LIST_INFO *p_list_info= &gatt_cb.hdl_list_info;
145 tGATT_HDL_LIST_ELEM *p_list=NULL;
147 BOOLEAN save_hdl=FALSE;
148 tGATTS_PENDING_NEW_SRV_START *p_buf=NULL;
149 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
150 tBT_UUID *p_app_uuid128;
153 GATT_TRACE_API ("GATTS_CreateService" );
157 GATT_TRACE_ERROR ("Inavlid gatt_if=%d", gatt_if);
161 p_app_uuid128 = &p_reg->app_uuid128;
163 if ((p_list = gatt_find_hdl_buffer_by_app_id(p_app_uuid128, p_svc_uuid, svc_inst)) != NULL)
165 s_hdl = p_list->asgn_range.s_handle;
166 GATT_TRACE_DEBUG ("Service already been created!!");
170 if ( (p_svc_uuid->len == LEN_UUID_16) && (p_svc_uuid->uu.uuid16 == UUID_SERVCLASS_GATT_SERVER))
172 s_hdl= gatt_cb.hdl_cfg.gatt_start_hdl;
174 else if ((p_svc_uuid->len == LEN_UUID_16) && (p_svc_uuid->uu.uuid16 == UUID_SERVCLASS_GAP_SERVER))
176 s_hdl= gatt_cb.hdl_cfg.gap_start_hdl;
180 p_list = p_list_info->p_first;
184 s_hdl = p_list->asgn_range.e_handle + 1;
187 if (s_hdl < gatt_cb.hdl_cfg.app_start_hdl)
190 s_hdl= gatt_cb.hdl_cfg.app_start_hdl;
195 /* check for space */
196 if (num_handles > (0xFFFF - s_hdl + 1))
198 GATT_TRACE_ERROR ("GATTS_ReserveHandles: no handles, s_hdl: %u needed: %u", s_hdl, num_handles);
202 if ( (p_list = gatt_alloc_hdl_buffer()) == NULL)
205 GATT_TRACE_ERROR ("GATTS_ReserveHandles: no free handle blocks");
209 p_list->asgn_range.app_uuid128 = *p_app_uuid128;
210 p_list->asgn_range.svc_uuid = *p_svc_uuid;
211 p_list->asgn_range.svc_inst = svc_inst;
212 p_list->asgn_range.s_handle = s_hdl;
213 p_list->asgn_range.e_handle = s_hdl+num_handles-1;
214 p_list->asgn_range.is_primary = is_pri;
216 gatt_add_an_item_to_list(p_list_info, p_list);
220 if (gatt_cb.cb_info.p_nv_save_callback)
221 (*gatt_cb.cb_info.p_nv_save_callback)(TRUE, &p_list->asgn_range);
222 /* add a pending new service change item to the list */
223 if ( (p_buf = gatt_add_pending_new_srv_start(&p_list->asgn_range)) == NULL)
226 GATT_TRACE_ERROR ("gatt_add_pending_new_srv_start: no free blocks");
230 gatt_remove_an_item_from_list(p_list_info, p_list);
231 gatt_free_hdl_buffer(p_list);
236 GATT_TRACE_DEBUG ("Add a new srv chg item");
240 if (!gatts_init_service_db(&p_list->svc_db, p_svc_uuid, is_pri, s_hdl , num_handles))
242 GATT_TRACE_ERROR ("GATTS_ReserveHandles: service DB initialization failed");
245 gatt_remove_an_item_from_list(p_list_info, p_list);
246 gatt_free_hdl_buffer(p_list);
250 osi_free(fixed_queue_try_remove_from_queue(gatt_cb.pending_new_srv_start_q, p_buf));
254 GATT_TRACE_DEBUG ("GATTS_CreateService(success): handles needed:%u s_hdl=%u e_hdl=%u %s[%x] is_primary=%d",
255 num_handles, p_list->asgn_range.s_handle , p_list->asgn_range.e_handle,
256 ((p_list->asgn_range.svc_uuid.len == 2) ? "uuid16": "uuid128" ),
257 p_list->asgn_range.svc_uuid.uu.uuid16,
258 p_list->asgn_range.is_primary);
263 /*******************************************************************************
265 ** Function GATTS_AddIncludeService
267 ** Description This function is called to add an included service.
269 ** Parameter service_handle : To which service this included service is added to.
270 ** include_svc_handle : included service handle.
272 ** Returns included service attribute handle. If 0, add included service
275 *******************************************************************************/
276 UINT16 GATTS_AddIncludeService (UINT16 service_handle, UINT16 include_svc_handle)
279 tGATT_HDL_LIST_ELEM *p_decl, *p_incl_decl;
281 if ((p_decl = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL)
283 GATT_TRACE_DEBUG("Service not created");
286 if ((p_incl_decl = gatt_find_hdl_buffer_by_handle(include_svc_handle)) == NULL)
288 GATT_TRACE_DEBUG("Included Service not created");
292 return gatts_add_included_service(&p_decl->svc_db,
293 p_incl_decl->asgn_range.s_handle,
294 p_incl_decl->asgn_range.e_handle,
295 p_incl_decl->asgn_range.svc_uuid);
297 /*******************************************************************************
299 ** Function GATTS_AddCharacteristic
301 ** Description This function is called to add a characteristic into a service.
302 ** It will add a characteristic declaration and characteristic
303 ** value declaration into the service database identified by the
306 ** Parameter service_handle : To which service this included service is added to.
307 ** char_uuid : Characteristic UUID.
308 ** perm : Characteristic value declaration attribute permission.
309 ** property : Characteristic Properties
311 ** Returns Characteristic value declaration attribute handle. 0 if failed.
313 *******************************************************************************/
314 UINT16 GATTS_AddCharacteristic (UINT16 service_handle, tBT_UUID *p_char_uuid,
315 tGATT_PERM perm,tGATT_CHAR_PROP property)
317 tGATT_HDL_LIST_ELEM *p_decl;
319 if ((p_decl = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL)
321 GATT_TRACE_DEBUG("Service not created");
324 /* data validity checking */
325 if ( ((property & GATT_CHAR_PROP_BIT_AUTH) && !(perm & GATT_WRITE_SIGNED_PERM)) ||
326 ((perm & GATT_WRITE_SIGNED_PERM) && !(property & GATT_CHAR_PROP_BIT_AUTH)) )
328 GATT_TRACE_DEBUG("Invalid configuration property=0x%x perm=0x%x ", property, perm);
332 return gatts_add_characteristic(&p_decl->svc_db,
337 /*******************************************************************************
339 ** Function GATTS_AddCharDescriptor
341 ** Description This function is called to add a characteristic descriptor
342 ** into a service database. Add descriptor should follow add char
343 ** to which it belongs, and next add char should be done only
344 ** after all add descriptors for the previous char.
346 ** Parameter service_handle : To which service this characteristic descriptor
348 ** perm : Characteristic value declaration attribute
350 ** p_descr_uuid : Characteristic descriptor UUID
352 ** Returns Characteristic descriptor attribute handle. 0 if add
353 ** characteristic descriptor failed.
355 *******************************************************************************/
356 UINT16 GATTS_AddCharDescriptor (UINT16 service_handle,
358 tBT_UUID * p_descr_uuid)
360 tGATT_HDL_LIST_ELEM *p_decl;
362 if ((p_decl = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL)
364 GATT_TRACE_DEBUG("Service not created");
367 if (p_descr_uuid == NULL ||
368 (p_descr_uuid->len != LEN_UUID_128 && p_descr_uuid->len != LEN_UUID_16
369 && p_descr_uuid->len != LEN_UUID_32))
371 GATT_TRACE_DEBUG("Illegal parameter");
375 return gatts_add_char_descr(&p_decl->svc_db,
380 /*******************************************************************************
382 ** Function GATTS_DeleteService
384 ** Description This function is called to delete a service.
386 ** Parameter gatt_if : application interface
387 ** p_svc_uuid : service UUID
388 ** svc_inst : instance of the service inside the application
390 ** Returns TRUE if operation succeed, FALSE if handle block was not found.
392 *******************************************************************************/
393 BOOLEAN GATTS_DeleteService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid, UINT16 svc_inst)
396 tGATT_HDL_LIST_INFO *p_list_info= &gatt_cb.hdl_list_info;
397 tGATT_HDL_LIST_ELEM *p_list=NULL;
399 tGATTS_PENDING_NEW_SRV_START *p_buf;
400 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
401 tBT_UUID *p_app_uuid128;
403 GATT_TRACE_DEBUG ("GATTS_DeleteService");
407 GATT_TRACE_ERROR ("Applicaiton not foud");
410 p_app_uuid128 = &p_reg->app_uuid128;
412 if ((p_list = gatt_find_hdl_buffer_by_app_id(p_app_uuid128, p_svc_uuid, svc_inst)) == NULL)
414 GATT_TRACE_ERROR ("No Service found");
418 if ( (p_buf = gatt_sr_is_new_srv_chg(&p_list->asgn_range.app_uuid128,
419 &p_list->asgn_range.svc_uuid,
420 p_list->asgn_range.svc_inst)) != NULL)
422 GATT_TRACE_DEBUG ("Delete a new service changed item - the service has not yet started");
423 osi_free(fixed_queue_try_remove_from_queue(gatt_cb.pending_new_srv_start_q, p_buf));
430 if ((i_sreg = gatt_sr_find_i_rcb_by_app_id (p_app_uuid128,
432 svc_inst)) != GATT_MAX_SR_PROFILES)
434 GATTS_StopService(gatt_cb.sr_reg[i_sreg].s_hdl);
437 GATT_TRACE_DEBUG ("released handles s_hdl=%u e_hdl=%u",
438 p_list->asgn_range.s_handle , p_list->asgn_range.e_handle );
440 if ( (p_list->asgn_range.s_handle >= gatt_cb.hdl_cfg.app_start_hdl)
441 && gatt_cb.cb_info.p_nv_save_callback)
442 (*gatt_cb.cb_info.p_nv_save_callback)(FALSE, &p_list->asgn_range);
444 gatt_remove_an_item_from_list(p_list_info, p_list);
445 gatt_free_hdl_buffer(p_list);
450 /*******************************************************************************
452 ** Function GATTS_StartService
454 ** Description This function is called to start a service with GATT
456 ** Parameter gatt_if : service handle.
457 ** p_cback : application service callback functions.
458 ** sup_transport : supported transport(s) for this primary service
460 ** return GATT_SUCCESS if sucessfully started; otherwise error code.
462 *******************************************************************************/
463 tGATT_STATUS GATTS_StartService (tGATT_IF gatt_if, UINT16 service_handle,
464 tGATT_TRANSPORT sup_transport)
466 tGATT_SR_REG *p_sreg;
467 tGATT_HDL_LIST_ELEM *p_list=NULL;
470 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
472 tGATTS_PENDING_NEW_SRV_START *p_buf;
474 GATT_TRACE_API ("GATTS_StartService");
479 GATT_TRACE_ERROR ("Applicaiton not found ");
480 return GATT_NOT_FOUND;
483 if ((p_list = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL)
486 GATT_TRACE_ERROR ("no service found");
487 return GATT_NOT_FOUND;
490 if (gatt_sr_find_i_rcb_by_app_id (&p_list->asgn_range.app_uuid128,
491 &p_list->asgn_range.svc_uuid,
492 p_list->asgn_range.svc_inst) != GATT_MAX_SR_PROFILES)
494 GATT_TRACE_ERROR ("Duplicate Service start - Service already started");
495 return GATT_SERVICE_STARTED;
498 /*this is a new application servoce start */
499 if ((i_sreg = gatt_sr_alloc_rcb(p_list)) == GATT_MAX_SR_PROFILES)
501 GATT_TRACE_ERROR ("GATTS_StartService: no free server registration block");
502 return GATT_NO_RESOURCES;
505 p_sreg = &gatt_cb.sr_reg[i_sreg];
506 p_sreg->gatt_if = gatt_if;
508 switch (sup_transport)
510 case GATT_TRANSPORT_BR_EDR:
511 case GATT_TRANSPORT_LE_BR_EDR:
512 if (p_sreg->type == GATT_UUID_PRI_SERVICE)
514 p_uuid = gatts_get_service_uuid (p_sreg->p_db);
516 p_sreg->sdp_handle = gatt_add_sdp_record(p_uuid, p_sreg->s_hdl, p_sreg->e_hdl);
523 gatts_update_srv_list_elem(i_sreg, p_sreg->s_hdl,
524 p_list->asgn_range.is_primary);
526 gatt_add_a_srv_to_list(&gatt_cb.srv_list_info, &gatt_cb.srv_list[i_sreg]);
528 GATT_TRACE_DEBUG ("allocated i_sreg=%d ",i_sreg);
530 GATT_TRACE_DEBUG ("s_hdl=%d e_hdl=%d type=0x%x svc_inst=%d sdp_hdl=0x%x",
531 p_sreg->s_hdl,p_sreg->e_hdl,
532 p_sreg->type, p_sreg->service_instance,
536 if ( (p_buf = gatt_sr_is_new_srv_chg(&p_list->asgn_range.app_uuid128,
537 &p_list->asgn_range.svc_uuid,
538 p_list->asgn_range.svc_inst)) != NULL)
541 /* remove the new service element after the srv changed processing is completed*/
543 osi_free(fixed_queue_try_remove_from_queue(gatt_cb.pending_new_srv_start_q, p_buf));
548 /*******************************************************************************
550 ** Function GATTS_StopService
552 ** Description This function is called to stop a service
554 ** Parameter service_handle : this is the start handle of a service
558 *******************************************************************************/
559 void GATTS_StopService (UINT16 service_handle)
561 UINT8 ii = gatt_sr_find_i_rcb_by_handle(service_handle);
563 GATT_TRACE_API("GATTS_StopService %u", service_handle);
565 /* Index 0 is reserved for GATT, and is never stopped */
566 if ( (ii > 0) && (ii < GATT_MAX_SR_PROFILES) && (gatt_cb.sr_reg[ii].in_use) )
568 if (gatt_cb.sr_reg[ii].sdp_handle)
570 SDP_DeleteRecord(gatt_cb.sr_reg[ii].sdp_handle);
572 gatt_remove_a_srv_from_list(&gatt_cb.srv_list_info, &gatt_cb.srv_list[ii]);
573 gatt_cb.srv_list[ii].in_use = FALSE;
574 memset (&gatt_cb.sr_reg[ii], 0, sizeof(tGATT_SR_REG));
578 GATT_TRACE_ERROR("GATTS_StopService service_handle: %u is not in use", service_handle);
581 /*******************************************************************************
583 ** Function GATTs_HandleValueIndication
585 ** Description This function sends a handle value indication to a client.
587 ** Parameter conn_id: connection identifier.
588 ** attr_handle: Attribute handle of this handle value indication.
589 ** val_len: Length of the indicated attribute value.
590 ** p_val: Pointer to the indicated attribute value data.
592 ** Returns GATT_SUCCESS if sucessfully sent or queued; otherwise error code.
594 *******************************************************************************/
595 tGATT_STATUS GATTS_HandleValueIndication (UINT16 conn_id, UINT16 attr_handle, UINT16 val_len, UINT8 *p_val)
597 tGATT_STATUS cmd_status = GATT_NO_RESOURCES;
599 tGATT_VALUE indication;
602 tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
603 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
604 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
605 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
608 GATT_TRACE_API ("GATTS_HandleValueIndication");
609 if ( (p_reg == NULL) || (p_tcb == NULL))
611 GATT_TRACE_ERROR ("GATTS_HandleValueIndication Unknown conn_id: %u ", conn_id);
612 return(tGATT_STATUS) GATT_INVALID_CONN_ID;
615 if (! GATT_HANDLE_IS_VALID (attr_handle))
616 return GATT_ILLEGAL_PARAMETER;
618 indication.conn_id = conn_id;
619 indication.handle = attr_handle;
620 indication.len = val_len;
621 memcpy (indication.value, p_val, val_len);
622 indication.auth_req = GATT_AUTH_REQ_NONE;
624 if (GATT_HANDLE_IS_VALID(p_tcb->indicate_handle))
626 GATT_TRACE_DEBUG ("Add a pending indication");
627 if ((p_buf = gatt_add_pending_ind(p_tcb, &indication)) !=NULL)
629 cmd_status = GATT_SUCCESS;
633 cmd_status = GATT_NO_RESOURCES;
639 if ( (p_msg = attp_build_sr_msg (p_tcb, GATT_HANDLE_VALUE_IND, (tGATT_SR_MSG *)&indication)) != NULL)
641 cmd_status = attp_send_sr_msg (p_tcb, p_msg);
643 if (cmd_status == GATT_SUCCESS || cmd_status == GATT_CONGESTED)
645 p_tcb->indicate_handle = indication.handle;
646 gatt_start_conf_timer(p_tcb);
653 /*******************************************************************************
655 ** Function GATTS_HandleValueNotification
657 ** Description This function sends a handle value notification to a client.
659 ** Parameter conn_id: connection identifier.
660 ** attr_handle: Attribute handle of this handle value indication.
661 ** val_len: Length of the indicated attribute value.
662 ** p_val: Pointer to the indicated attribute value data.
664 ** Returns GATT_SUCCESS if sucessfully sent; otherwise error code.
666 *******************************************************************************/
667 tGATT_STATUS GATTS_HandleValueNotification (UINT16 conn_id, UINT16 attr_handle,
668 UINT16 val_len, UINT8 *p_val)
670 tGATT_STATUS cmd_sent = GATT_ILLEGAL_PARAMETER;
673 tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
674 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
675 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
676 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
678 GATT_TRACE_API ("GATTS_HandleValueNotification");
680 if ( (p_reg == NULL) || (p_tcb == NULL))
682 GATT_TRACE_ERROR ("GATTS_HandleValueNotification Unknown conn_id: %u ", conn_id);
683 return(tGATT_STATUS) GATT_INVALID_CONN_ID;
686 if (GATT_HANDLE_IS_VALID (attr_handle))
688 notif.handle = attr_handle;
690 memcpy (notif.value, p_val, val_len);
691 notif.auth_req = GATT_AUTH_REQ_NONE;;
693 if ((p_buf = attp_build_sr_msg (p_tcb, GATT_HANDLE_VALUE_NOTIF, (tGATT_SR_MSG *)¬if))
696 cmd_sent = attp_send_sr_msg (p_tcb, p_buf);
699 cmd_sent = GATT_NO_RESOURCES;
704 /*******************************************************************************
706 ** Function GATTS_SendRsp
708 ** Description This function sends the server response to client.
710 ** Parameter conn_id: connection identifier.
711 ** trans_id: transaction id
712 ** status: response status
713 ** p_msg: pointer to message parameters structure.
715 ** Returns GATT_SUCCESS if sucessfully sent; otherwise error code.
717 *******************************************************************************/
718 tGATT_STATUS GATTS_SendRsp (UINT16 conn_id, UINT32 trans_id,
719 tGATT_STATUS status, tGATTS_RSP *p_msg)
721 tGATT_STATUS cmd_sent = GATT_ILLEGAL_PARAMETER;
722 tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
723 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
724 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
725 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
727 GATT_TRACE_API ("GATTS_SendRsp: conn_id: %u trans_id: %u Status: 0x%04x",
728 conn_id, trans_id, status);
730 if ( (p_reg == NULL) || (p_tcb == NULL))
732 GATT_TRACE_ERROR ("GATTS_SendRsp Unknown conn_id: %u ", conn_id);
733 return(tGATT_STATUS) GATT_INVALID_CONN_ID;
736 if (p_tcb->sr_cmd.trans_id != trans_id)
738 GATT_TRACE_ERROR ("GATTS_SendRsp conn_id: %u waiting for op_code = %02x",
739 conn_id, p_tcb->sr_cmd.op_code);
741 return(GATT_WRONG_STATE);
743 /* Process App response */
744 cmd_sent = gatt_sr_process_app_rsp (p_tcb, gatt_if, trans_id, p_tcb->sr_cmd.op_code, status, p_msg);
749 /*******************************************************************************/
750 /* GATT Profile Srvr Functions */
751 /*******************************************************************************/
753 /*******************************************************************************/
755 /* GATT CLIENT APIs */
757 /*******************************************************************************/
760 /*******************************************************************************
762 ** Function GATTC_ConfigureMTU
764 ** Description This function is called to configure the ATT MTU size.
766 ** Parameters conn_id: connection identifier.
767 ** mtu - attribute MTU size..
769 ** Returns GATT_SUCCESS if command started successfully.
771 *******************************************************************************/
772 tGATT_STATUS GATTC_ConfigureMTU (UINT16 conn_id, UINT16 mtu)
774 UINT8 ret = GATT_NO_RESOURCES;
775 tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id);
776 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
777 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
778 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
782 GATT_TRACE_API ("GATTC_ConfigureMTU conn_id=%d mtu=%d", conn_id, mtu );
784 /* Validate that the link is BLE, not BR/EDR */
785 if (p_tcb->transport != BT_TRANSPORT_LE)
790 if ( (p_tcb == NULL) || (p_reg==NULL) || (mtu < GATT_DEF_BLE_MTU_SIZE) || (mtu > GATT_MAX_MTU_SIZE))
792 return GATT_ILLEGAL_PARAMETER;
795 if (gatt_is_clcb_allocated(conn_id))
797 GATT_TRACE_ERROR("GATTC_ConfigureMTU GATT_BUSY conn_id = %d", conn_id);
801 if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL)
803 p_clcb->p_tcb->payload_size = mtu;
804 p_clcb->operation = GATTC_OPTYPE_CONFIG;
806 ret = attp_send_cl_msg (p_clcb->p_tcb, p_clcb->clcb_idx, GATT_REQ_MTU, (tGATT_CL_MSG *)&mtu);
812 /*******************************************************************************
814 ** Function GATTC_Discover
816 ** Description This function is called to do a discovery procedure on ATT server.
818 ** Parameters conn_id: connection identifier.
819 ** disc_type:discovery type.
820 ** p_param: parameters of discovery requirement.
822 ** Returns GATT_SUCCESS if command received/sent successfully.
824 *******************************************************************************/
825 tGATT_STATUS GATTC_Discover (UINT16 conn_id, tGATT_DISC_TYPE disc_type,
826 tGATT_DISC_PARAM *p_param)
828 tGATT_STATUS status = GATT_SUCCESS;
830 tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id);
831 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
832 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
833 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
836 GATT_TRACE_API ("GATTC_Discover conn_id=%d disc_type=%d",conn_id, disc_type);
838 if ( (p_tcb == NULL) || (p_reg==NULL) ||(p_param == NULL) ||
839 (disc_type >= GATT_DISC_MAX))
841 GATT_TRACE_ERROR("GATTC_Discover Illegal param: disc_type %d conn_id = %d", disc_type, conn_id);
842 return GATT_ILLEGAL_PARAMETER;
846 if (gatt_is_clcb_allocated(conn_id))
848 GATT_TRACE_ERROR("GATTC_Discover GATT_BUSY conn_id = %d", conn_id);
853 if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL )
855 if (!GATT_HANDLE_IS_VALID(p_param->s_handle) ||
856 !GATT_HANDLE_IS_VALID(p_param->e_handle) ||
857 /* search by type does not have a valid UUID param */
858 (disc_type == GATT_DISC_SRVC_BY_UUID &&
859 p_param->service.len == 0))
861 gatt_clcb_dealloc(p_clcb);
862 return GATT_ILLEGAL_PARAMETER;
865 p_clcb->operation = GATTC_OPTYPE_DISCOVERY;
866 p_clcb->op_subtype = disc_type;
867 p_clcb->s_handle = p_param->s_handle;
868 p_clcb->e_handle = p_param->e_handle;
869 p_clcb->uuid = p_param->service;
871 gatt_act_discovery(p_clcb);
875 status = GATT_NO_RESOURCES;
880 /*******************************************************************************
882 ** Function GATTC_Read
884 ** Description This function is called to read the value of an attribute from
887 ** Parameters conn_id: connection identifier.
888 ** type - attribute read type.
889 ** p_read - read operation parameters.
891 ** Returns GATT_SUCCESS if command started successfully.
893 *******************************************************************************/
894 tGATT_STATUS GATTC_Read (UINT16 conn_id, tGATT_READ_TYPE type, tGATT_READ_PARAM *p_read)
896 tGATT_STATUS status = GATT_SUCCESS;
898 tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id);
899 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
900 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
901 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
904 GATT_TRACE_API ("GATTC_Read conn_id=%d type=%d", conn_id, type);
906 if ( (p_tcb == NULL) || (p_reg==NULL) || (p_read == NULL) || ((type >= GATT_READ_MAX) || (type == 0)))
908 GATT_TRACE_ERROR("GATT_Read Illegal param: conn_id %d, type 0%d,", conn_id, type);
909 return GATT_ILLEGAL_PARAMETER;
912 if (gatt_is_clcb_allocated(conn_id))
914 GATT_TRACE_ERROR("GATTC_Read GATT_BUSY conn_id = %d", conn_id);
918 if ( (p_clcb = gatt_clcb_alloc(conn_id)) != NULL )
920 p_clcb->operation = GATTC_OPTYPE_READ;
921 p_clcb->op_subtype = type;
922 p_clcb->auth_req = p_read->by_handle.auth_req;
927 case GATT_READ_BY_TYPE:
928 case GATT_READ_CHAR_VALUE:
929 p_clcb->s_handle = p_read->service.s_handle;
930 p_clcb->e_handle = p_read->service.e_handle;
931 memcpy(&p_clcb->uuid, &p_read->service.uuid, sizeof(tBT_UUID));
933 case GATT_READ_MULTIPLE:
934 p_clcb->s_handle = 0;
935 /* copy multiple handles in CB */
936 tGATT_READ_MULTI *p_read_multi =
937 (tGATT_READ_MULTI *)osi_malloc(sizeof(tGATT_READ_MULTI));
938 p_clcb->p_attr_buf = (UINT8*)p_read_multi;
939 memcpy(p_read_multi, &p_read->read_multiple, sizeof(tGATT_READ_MULTI));
940 case GATT_READ_BY_HANDLE:
941 case GATT_READ_PARTIAL:
942 memset(&p_clcb->uuid, 0, sizeof(tBT_UUID));
943 p_clcb->s_handle = p_read->by_handle.handle;
945 if (type == GATT_READ_PARTIAL)
947 p_clcb->counter = p_read->partial.offset;
954 /* start security check */
955 if (gatt_security_check_start(p_clcb) == FALSE)
957 status = GATT_NO_RESOURCES;
958 gatt_clcb_dealloc(p_clcb);
963 status = GATT_NO_RESOURCES;
968 /*******************************************************************************
970 ** Function GATTC_Write
972 ** Description This function is called to write the value of an attribute to
975 ** Parameters conn_id: connection identifier.
976 ** type - attribute write type.
977 ** p_write - write operation parameters.
979 ** Returns GATT_SUCCESS if command started successfully.
981 *******************************************************************************/
982 tGATT_STATUS GATTC_Write (UINT16 conn_id, tGATT_WRITE_TYPE type, tGATT_VALUE *p_write)
984 tGATT_STATUS status = GATT_SUCCESS;
987 tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id);
988 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
989 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
990 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
992 if ( (p_tcb == NULL) || (p_reg==NULL) || (p_write == NULL) ||
993 ((type != GATT_WRITE) && (type != GATT_WRITE_PREPARE) && (type != GATT_WRITE_NO_RSP)) )
995 GATT_TRACE_ERROR("GATT_Write Illegal param: conn_id %d, type 0%d,", conn_id, type);
996 return GATT_ILLEGAL_PARAMETER;
999 if (gatt_is_clcb_allocated(conn_id))
1001 GATT_TRACE_ERROR("GATTC_Write GATT_BUSY conn_id = %d", conn_id);
1005 if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL )
1007 p_clcb->operation = GATTC_OPTYPE_WRITE;
1008 p_clcb->op_subtype = type;
1009 p_clcb->auth_req = p_write->auth_req;
1011 p_clcb->p_attr_buf = (UINT8 *)osi_malloc(sizeof(tGATT_VALUE));
1012 memcpy(p_clcb->p_attr_buf, (void *)p_write, sizeof(tGATT_VALUE));
1014 p = (tGATT_VALUE *)p_clcb->p_attr_buf;
1015 if (type == GATT_WRITE_PREPARE) {
1016 p_clcb->start_offset = p_write->offset;
1020 if (gatt_security_check_start(p_clcb) == FALSE) {
1021 status = GATT_NO_RESOURCES;
1024 if (status == GATT_NO_RESOURCES)
1025 gatt_clcb_dealloc(p_clcb);
1027 status = GATT_NO_RESOURCES;
1033 /*******************************************************************************
1035 ** Function GATTC_ExecuteWrite
1037 ** Description This function is called to send an Execute write request to
1040 ** Parameters conn_id: connection identifier.
1041 ** is_execute - to execute or cancel the prepare write requet(s)
1043 ** Returns GATT_SUCCESS if command started successfully.
1045 *******************************************************************************/
1046 tGATT_STATUS GATTC_ExecuteWrite (UINT16 conn_id, BOOLEAN is_execute)
1048 tGATT_STATUS status = GATT_SUCCESS;
1050 tGATT_EXEC_FLAG flag;
1051 tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id);
1052 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
1053 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
1054 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
1056 GATT_TRACE_API ("GATTC_ExecuteWrite conn_id=%d is_execute=%d", conn_id, is_execute);
1058 if ( (p_tcb == NULL) || (p_reg==NULL) )
1060 GATT_TRACE_ERROR("GATTC_ExecuteWrite Illegal param: conn_id %d", conn_id);
1061 return GATT_ILLEGAL_PARAMETER;
1064 if (gatt_is_clcb_allocated(conn_id))
1066 GATT_TRACE_ERROR("GATTC_Write GATT_BUSY conn_id = %d", conn_id);
1070 if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL)
1072 p_clcb->operation = GATTC_OPTYPE_EXE_WRITE;
1073 flag = is_execute ? GATT_PREP_WRITE_EXEC : GATT_PREP_WRITE_CANCEL;
1074 gatt_send_queue_write_cancel (p_clcb->p_tcb, p_clcb, flag);
1078 GATT_TRACE_ERROR("Unable to allocate client CB for conn_id %d ", conn_id);
1079 status = GATT_NO_RESOURCES;
1084 /*******************************************************************************
1086 ** Function GATTC_SendHandleValueConfirm
1088 ** Description This function is called to send a handle value confirmation
1089 ** as response to a handle value notification from server.
1091 ** Parameters conn_id: connection identifier.
1092 ** handle: the handle of the attribute confirmation.
1094 ** Returns GATT_SUCCESS if command started successfully.
1096 *******************************************************************************/
1097 tGATT_STATUS GATTC_SendHandleValueConfirm (UINT16 conn_id, UINT16 handle)
1099 tGATT_STATUS ret = GATT_ILLEGAL_PARAMETER;
1100 tGATT_TCB *p_tcb=gatt_get_tcb_by_idx(GATT_GET_TCB_IDX(conn_id));
1102 GATT_TRACE_API ("GATTC_SendHandleValueConfirm conn_id=%d handle=0x%x", conn_id, handle);
1106 if (p_tcb->ind_count > 0 )
1108 alarm_cancel(p_tcb->ind_ack_timer);
1110 GATT_TRACE_DEBUG ("notif_count=%d ", p_tcb->ind_count);
1111 /* send confirmation now */
1112 ret = attp_send_cl_msg(p_tcb, 0, GATT_HANDLE_VALUE_CONF, (tGATT_CL_MSG *)&handle);
1114 p_tcb->ind_count = 0;
1119 GATT_TRACE_DEBUG ("GATTC_SendHandleValueConfirm - conn_id: %u - ignored not waiting for indicaiton ack", conn_id);
1125 GATT_TRACE_ERROR ("GATTC_SendHandleValueConfirm - Unknown conn_id: %u", conn_id);
1131 /*******************************************************************************/
1135 /*******************************************************************************/
1136 /*******************************************************************************
1138 ** Function GATT_SetIdleTimeout
1140 ** Description This function (common to both client and server) sets the idle
1141 ** timeout for a tansport connection
1143 ** Parameter bd_addr: target device bd address.
1144 ** idle_tout: timeout value in seconds.
1148 *******************************************************************************/
1149 void GATT_SetIdleTimeout (BD_ADDR bd_addr, UINT16 idle_tout, tBT_TRANSPORT transport)
1152 BOOLEAN status = FALSE;
1154 if ((p_tcb = gatt_find_tcb_by_addr (bd_addr, transport)) != NULL)
1156 if (p_tcb->att_lcid == L2CAP_ATT_CID)
1158 status = L2CA_SetFixedChannelTout (bd_addr, L2CAP_ATT_CID, idle_tout);
1160 if (idle_tout == GATT_LINK_IDLE_TIMEOUT_WHEN_NO_APP)
1161 L2CA_SetIdleTimeoutByBdAddr(p_tcb->peer_bda,
1162 GATT_LINK_IDLE_TIMEOUT_WHEN_NO_APP, BT_TRANSPORT_LE);
1166 status = L2CA_SetIdleTimeout (p_tcb->att_lcid, idle_tout, FALSE);
1170 GATT_TRACE_API ("GATT_SetIdleTimeout idle_tout=%d status=%d(1-OK 0-not performed)",
1175 /*******************************************************************************
1177 ** Function GATT_Register
1179 ** Description This function is called to register an application
1182 ** Parameter p_app_uuid128: Application UUID
1183 ** p_cb_info: callback functions.
1185 ** Returns 0 for error, otherwise the index of the client registered with GATT
1187 *******************************************************************************/
1188 tGATT_IF GATT_Register (tBT_UUID *p_app_uuid128, tGATT_CBACK *p_cb_info)
1194 GATT_TRACE_API ("GATT_Register");
1195 gatt_dbg_display_uuid(*p_app_uuid128);
1197 for (i_gatt_if = 0, p_reg = gatt_cb.cl_rcb; i_gatt_if < GATT_MAX_APPS; i_gatt_if++, p_reg++)
1199 if (p_reg->in_use && !memcmp(p_app_uuid128->uu.uuid128, p_reg->app_uuid128.uu.uuid128, LEN_UUID_128))
1201 GATT_TRACE_ERROR("application already registered.");
1206 for (i_gatt_if = 0, p_reg = gatt_cb.cl_rcb; i_gatt_if < GATT_MAX_APPS; i_gatt_if++, p_reg++)
1210 memset(p_reg, 0 , sizeof(tGATT_REG));
1211 i_gatt_if++; /* one based number */
1212 p_reg->app_uuid128 = *p_app_uuid128;
1214 p_reg->gatt_if = (tGATT_IF)i_gatt_if;
1215 p_reg->app_cb = *p_cb_info;
1216 p_reg->in_use = TRUE;
1221 GATT_TRACE_API ("allocated gatt_if=%d", gatt_if);
1226 /*******************************************************************************
1228 ** Function GATT_Deregister
1230 ** Description This function deregistered the application from GATT.
1232 ** Parameters gatt_if: applicaiton interface.
1236 *******************************************************************************/
1237 void GATT_Deregister (tGATT_IF gatt_if)
1239 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
1243 tGATT_SR_REG *p_sreg;
1245 GATT_TRACE_API ("GATT_Deregister gatt_if=%d", gatt_if);
1246 /* Index 0 is GAP and is never deregistered */
1247 if ( (gatt_if == 0) || (p_reg == NULL) )
1249 GATT_TRACE_ERROR ("GATT_Deregister with invalid gatt_if: %u", gatt_if);
1253 /* stop all services */
1254 /* todo an applcaiton can not be deregistered if its services is also used by other application
1255 deregisteration need to bed performed in an orderly fashion
1258 for (ii = 0, p_sreg = gatt_cb.sr_reg; ii < GATT_MAX_SR_PROFILES; ii++, p_sreg++)
1260 if (p_sreg->in_use && (p_sreg->gatt_if == gatt_if))
1262 GATTS_StopService(p_sreg->s_hdl);
1266 /* free all services db buffers if owned by this application */
1267 gatt_free_srvc_db_buffer_app_id(&p_reg->app_uuid128);
1269 /* When an application deregisters, check remove the link associated with the app */
1271 for (i=0, p_tcb = gatt_cb.tcb; i < GATT_MAX_PHY_CHANNEL; i++, p_tcb++)
1275 if (gatt_get_ch_state(p_tcb) != GATT_CH_CLOSE)
1277 gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, TRUE);
1280 for (j = 0, p_clcb= &gatt_cb.clcb[j]; j < GATT_CL_MAX_LCB; j++, p_clcb++)
1282 if (p_clcb->in_use &&
1283 (p_clcb->p_reg->gatt_if == gatt_if) &&
1284 (p_clcb->p_tcb->tcb_idx == p_tcb->tcb_idx))
1286 alarm_cancel(p_clcb->gatt_rsp_timer_ent);
1287 gatt_clcb_dealloc (p_clcb);
1294 gatt_deregister_bgdev_list(gatt_if);
1295 /* update the listen mode */
1296 #if (defined(BLE_PERIPHERAL_MODE_SUPPORT) && (BLE_PERIPHERAL_MODE_SUPPORT == TRUE))
1297 GATT_Listen(gatt_if, FALSE, NULL);
1300 memset (p_reg, 0, sizeof(tGATT_REG));
1304 /*******************************************************************************
1306 ** Function GATT_StartIf
1308 ** Description This function is called after registration to start receiving
1309 ** callbacks for registered interface. Function may call back
1310 ** with connection status and queued notifications
1312 ** Parameter gatt_if: applicaiton interface.
1316 *******************************************************************************/
1317 void GATT_StartIf (tGATT_IF gatt_if)
1322 UINT8 start_idx, found_idx;
1324 tGATT_TRANSPORT transport ;
1326 GATT_TRACE_API ("GATT_StartIf gatt_if=%d", gatt_if);
1327 if ((p_reg = gatt_get_regcb(gatt_if)) != NULL)
1330 while (gatt_find_the_connected_bda(start_idx, bda, &found_idx, &transport))
1332 p_tcb = gatt_find_tcb_by_addr(bda, transport);
1333 if (p_reg->app_cb.p_conn_cb && p_tcb)
1335 conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_if);
1336 (*p_reg->app_cb.p_conn_cb)(gatt_if, bda, conn_id, TRUE, 0, transport);
1338 start_idx = ++found_idx;
1344 /*******************************************************************************
1346 ** Function GATT_Connect
1348 ** Description This function initiate a connecttion to a remote device on GATT
1351 ** Parameters gatt_if: applicaiton interface
1352 ** bd_addr: peer device address.
1353 ** is_direct: is a direct conenection or a background auto connection
1355 ** Returns TRUE if connection started; FALSE if connection start failure.
1357 *******************************************************************************/
1358 BOOLEAN GATT_Connect (tGATT_IF gatt_if, BD_ADDR bd_addr, BOOLEAN is_direct, tBT_TRANSPORT transport)
1361 BOOLEAN status = FALSE;
1363 GATT_TRACE_API ("GATT_Connect gatt_if=%d", gatt_if);
1365 /* Make sure app is registered */
1366 if ((p_reg = gatt_get_regcb(gatt_if)) == NULL)
1368 GATT_TRACE_ERROR("GATT_Connect - gatt_if =%d is not registered", gatt_if);
1373 status = gatt_act_connect (p_reg, bd_addr, transport);
1376 if (transport == BT_TRANSPORT_LE)
1377 status = gatt_update_auto_connect_dev(gatt_if,TRUE, bd_addr, TRUE);
1380 GATT_TRACE_ERROR("Unsupported transport for background connection");
1388 /*******************************************************************************
1390 ** Function GATT_CancelConnect
1392 ** Description This function terminate the connection initaition to a remote
1393 ** device on GATT channel.
1395 ** Parameters gatt_if: client interface. If 0 used as unconditionally disconnect,
1396 ** typically used for direct connection cancellation.
1397 ** bd_addr: peer device address.
1399 ** Returns TRUE if connection started; FALSE if connection start failure.
1401 *******************************************************************************/
1402 BOOLEAN GATT_CancelConnect (tGATT_IF gatt_if, BD_ADDR bd_addr, BOOLEAN is_direct){
1405 BOOLEAN status = TRUE;
1406 tGATT_IF temp_gatt_if;
1407 UINT8 start_idx, found_idx;
1409 GATT_TRACE_API ("GATT_CancelConnect gatt_if=%d", gatt_if);
1411 if ((gatt_if != 0) && ((p_reg = gatt_get_regcb(gatt_if)) == NULL))
1413 GATT_TRACE_ERROR("GATT_CancelConnect - gatt_if =%d is not registered", gatt_if);
1421 GATT_TRACE_DEBUG("GATT_CancelConnect - unconditional");
1423 /* only LE connection can be cancelled */
1424 p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE);
1425 if (p_tcb && gatt_num_apps_hold_link(p_tcb))
1427 while (status && gatt_find_app_hold_link(p_tcb, start_idx, &found_idx, &temp_gatt_if))
1429 status = gatt_cancel_open(temp_gatt_if, bd_addr);
1430 start_idx = ++found_idx;
1435 GATT_TRACE_ERROR("GATT_CancelConnect - no app found");
1441 status = gatt_cancel_open(gatt_if, bd_addr);
1448 if (gatt_get_num_apps_for_bg_dev(bd_addr))
1450 while (gatt_find_app_for_bg_dev(bd_addr, &temp_gatt_if))
1451 gatt_remove_bg_dev_for_app(temp_gatt_if, bd_addr);
1455 GATT_TRACE_ERROR("GATT_CancelConnect -no app associated with the bg device for unconditional removal");
1461 status = gatt_remove_bg_dev_for_app(gatt_if, bd_addr);
1468 /*******************************************************************************
1470 ** Function GATT_Disconnect
1472 ** Description This function disconnect the GATT channel for this registered
1475 ** Parameters conn_id: connection identifier.
1477 ** Returns GATT_SUCCESS if disconnected.
1479 *******************************************************************************/
1480 tGATT_STATUS GATT_Disconnect (UINT16 conn_id)
1482 tGATT_STATUS ret = GATT_ILLEGAL_PARAMETER;
1483 tGATT_TCB *p_tcb=NULL;
1484 tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id);
1485 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
1487 GATT_TRACE_API ("GATT_Disconnect conn_id=%d ", conn_id);
1489 p_tcb = gatt_get_tcb_by_idx(tcb_idx);
1493 gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, TRUE);
1500 /*******************************************************************************
1502 ** Function GATT_GetConnectionInfor
1504 ** Description This function use conn_id to find its associated BD address and applciation
1507 ** Parameters conn_id: connection id (input)
1508 ** p_gatt_if: applicaiton interface (output)
1509 ** bd_addr: peer device address. (output)
1511 ** Returns TRUE the ligical link information is found for conn_id
1513 *******************************************************************************/
1514 BOOLEAN GATT_GetConnectionInfor(UINT16 conn_id, tGATT_IF *p_gatt_if, BD_ADDR bd_addr,
1515 tBT_TRANSPORT *p_transport)
1518 tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
1519 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
1520 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
1521 tGATT_TCB *p_tcb= gatt_get_tcb_by_idx(tcb_idx);
1522 BOOLEAN status=FALSE;
1524 GATT_TRACE_API ("GATT_GetConnectionInfor conn_id=%d", conn_id);
1526 if (p_tcb && p_reg )
1528 memcpy(bd_addr, p_tcb->peer_bda, BD_ADDR_LEN);
1529 *p_gatt_if = gatt_if;
1530 *p_transport = p_tcb->transport;
1537 /*******************************************************************************
1539 ** Function GATT_GetConnIdIfConnected
1541 ** Description This function find the conn_id if the logical link for BD address
1542 ** and applciation interface is connected
1544 ** Parameters gatt_if: applicaiton interface (input)
1545 ** bd_addr: peer device address. (input)
1546 ** p_conn_id: connection id (output)
1547 ** transport: transport option
1549 ** Returns TRUE the logical link is connected
1551 *******************************************************************************/
1552 BOOLEAN GATT_GetConnIdIfConnected(tGATT_IF gatt_if, BD_ADDR bd_addr, UINT16 *p_conn_id,
1553 tBT_TRANSPORT transport)
1555 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
1556 tGATT_TCB *p_tcb= gatt_find_tcb_by_addr(bd_addr, transport);
1557 BOOLEAN status=FALSE;
1559 if (p_reg && p_tcb && (gatt_get_ch_state(p_tcb) == GATT_CH_OPEN) )
1561 *p_conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_if);
1565 GATT_TRACE_API ("GATT_GetConnIdIfConnected status=%d", status);
1570 /*******************************************************************************
1572 ** Function GATT_Listen
1574 ** Description This function start or stop LE advertisement and listen for
1577 ** Parameters gatt_if: applicaiton interface
1578 ** p_bd_addr: listen for specific address connection, or NULL for
1579 ** listen to all device connection.
1580 ** start: start or stop listening.
1582 ** Returns TRUE if advertisement is started; FALSE if adv start failure.
1584 *******************************************************************************/
1585 BOOLEAN GATT_Listen (tGATT_IF gatt_if, BOOLEAN start, BD_ADDR_PTR bd_addr)
1589 GATT_TRACE_API ("GATT_Listen gatt_if=%d", gatt_if);
1591 /* Make sure app is registered */
1592 if ((p_reg = gatt_get_regcb(gatt_if)) == NULL)
1594 GATT_TRACE_ERROR("GATT_Listen - gatt_if =%d is not registered", gatt_if);
1598 if (bd_addr != NULL)
1600 gatt_update_auto_connect_dev(gatt_if,start, bd_addr, FALSE);
1604 p_reg->listening = start ? GATT_LISTEN_TO_ALL : GATT_LISTEN_TO_NONE;
1607 return gatt_update_listen_mode();