/******************************************************************************
*
* Copyright (C) 2010-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This is the implementation of the API for GATT module of BTA.
*
******************************************************************************/
#include "bt_target.h"
#if defined(BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE)
#include <string.h>
#include "bt_common.h"
#include "bta_sys.h"
#include "bta_gatt_api.h"
#include "bta_gattc_int.h"
/*****************************************************************************
** Constants
*****************************************************************************/
static const tBTA_SYS_REG bta_gattc_reg =
{
bta_gattc_hdl_event,
BTA_GATTC_Disable
};
/*******************************************************************************
**
** Function BTA_GATTC_Disable
**
** Description This function is called to disable GATTC module
**
** Parameters None.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_Disable(void)
{
if (bta_sys_is_register(BTA_ID_GATTC) == FALSE)
{
APPL_TRACE_WARNING("GATTC Module not enabled/already disabled");
return;
}
BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR));
p_buf->event = BTA_GATTC_API_DISABLE_EVT;
bta_sys_sendmsg(p_buf);
bta_sys_deregister(BTA_ID_GATTC);
}
/*******************************************************************************
**
** Function BTA_GATTC_AppRegister
**
** Description This function is called to register application callbacks
** with BTA GATTC module.
**
** Parameters p_app_uuid - applicaiton UUID
** p_client_cb - pointer to the application callback function.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_AppRegister(tBT_UUID *p_app_uuid, tBTA_GATTC_CBACK *p_client_cb)
{
tBTA_GATTC_API_REG *p_buf =
(tBTA_GATTC_API_REG *)osi_malloc(sizeof(tBTA_GATTC_API_REG));
if (bta_sys_is_register(BTA_ID_GATTC) == FALSE)
bta_sys_register(BTA_ID_GATTC, &bta_gattc_reg);
p_buf->hdr.event = BTA_GATTC_API_REG_EVT;
if (p_app_uuid != NULL)
memcpy(&p_buf->app_uuid, p_app_uuid, sizeof(tBT_UUID));
p_buf->p_cback = p_client_cb;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_AppDeregister
**
** Description This function is called to deregister an application
** from BTA GATTC module.
**
** Parameters client_if - client interface identifier.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_AppDeregister(tBTA_GATTC_IF client_if)
{
tBTA_GATTC_API_DEREG *p_buf =
(tBTA_GATTC_API_DEREG *)osi_malloc(sizeof(tBTA_GATTC_API_DEREG));
p_buf->hdr.event = BTA_GATTC_API_DEREG_EVT;
p_buf->client_if = client_if;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_Open
**
** Description Open a direct connection or add a background auto connection
** bd address
**
** Parameters client_if: server interface.
** remote_bda: remote device BD address.
** is_direct: direct connection or background auto connection
** transport: Transport to be used for GATT connection (BREDR/LE)
**
** Returns void
**
*******************************************************************************/
void BTA_GATTC_Open(tBTA_GATTC_IF client_if, BD_ADDR remote_bda,
BOOLEAN is_direct, tBTA_GATT_TRANSPORT transport)
{
tBTA_GATTC_API_OPEN *p_buf =
(tBTA_GATTC_API_OPEN *) osi_malloc(sizeof(tBTA_GATTC_API_OPEN));
p_buf->hdr.event = BTA_GATTC_API_OPEN_EVT;
p_buf->client_if = client_if;
p_buf->is_direct = is_direct;
p_buf->transport = transport;
memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN);
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_CancelOpen
**
** Description Cancel a direct open connection or remove a background auto connection
** bd address
**
** Parameters client_if: server interface.
** remote_bda: remote device BD address.
** is_direct: direct connection or background auto connection
**
** Returns void
**
*******************************************************************************/
void BTA_GATTC_CancelOpen(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct)
{
tBTA_GATTC_API_CANCEL_OPEN *p_buf =
(tBTA_GATTC_API_CANCEL_OPEN *)osi_malloc(sizeof(tBTA_GATTC_API_CANCEL_OPEN));
p_buf->hdr.event = BTA_GATTC_API_CANCEL_OPEN_EVT;
p_buf->client_if = client_if;
p_buf->is_direct = is_direct;
memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN);
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_Close
**
** Description Close a connection to a GATT server.
**
** Parameters conn_id: connectino ID to be closed.
**
** Returns void
**
*******************************************************************************/
void BTA_GATTC_Close(UINT16 conn_id)
{
BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR));
p_buf->event = BTA_GATTC_API_CLOSE_EVT;
p_buf->layer_specific = conn_id;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_ConfigureMTU
**
** Description Configure the MTU size in the GATT channel. This can be done
** only once per connection.
**
** Parameters conn_id: connection ID.
** mtu: desired MTU size to use.
**
** Returns void
**
*******************************************************************************/
void BTA_GATTC_ConfigureMTU (UINT16 conn_id, UINT16 mtu)
{
tBTA_GATTC_API_CFG_MTU *p_buf =
(tBTA_GATTC_API_CFG_MTU *)osi_malloc(sizeof(tBTA_GATTC_API_CFG_MTU));
p_buf->hdr.event = BTA_GATTC_API_CFG_MTU_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->mtu = mtu;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_ServiceSearchRequest
**
** Description This function is called to request a GATT service discovery
** on a GATT server. This function report service search result
** by a callback event, and followed by a service search complete
** event.
**
** Parameters conn_id: connection ID.
** p_srvc_uuid: a UUID of the service application is interested in.
** If Null, discover for all services.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_ServiceSearchRequest (UINT16 conn_id, tBT_UUID *p_srvc_uuid)
{
const size_t len = sizeof(tBTA_GATTC_API_SEARCH) + sizeof(tBT_UUID);
tBTA_GATTC_API_SEARCH *p_buf = (tBTA_GATTC_API_SEARCH *)osi_calloc(len);
p_buf->hdr.event = BTA_GATTC_API_SEARCH_EVT;
p_buf->hdr.layer_specific = conn_id;
if (p_srvc_uuid) {
p_buf->p_srvc_uuid = (tBT_UUID *)(p_buf + 1);
memcpy(p_buf->p_srvc_uuid, p_srvc_uuid, sizeof(tBT_UUID));
} else {
p_buf->p_srvc_uuid = NULL;
}
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_GetServices
**
** Description This function is called to find the services on the given server.
**
** Parameters conn_id: connection ID which identify the server.
**
** Returns returns list_t of tBTA_GATTC_SERVICE or NULL.
**
*******************************************************************************/
const list_t* BTA_GATTC_GetServices(UINT16 conn_id) {
return bta_gattc_get_services(conn_id);
}
/*******************************************************************************
**
** Function BTA_GATTC_GetCharacteristic
**
** Description This function is called to find the characteristic on the given server.
**
** Parameters conn_id - connection ID which identify the server.
** handle - characteristic handle
**
** Returns returns pointer to tBTA_GATTC_CHARACTERISTIC or NULL.
**
*******************************************************************************/
const tBTA_GATTC_CHARACTERISTIC* BTA_GATTC_GetCharacteristic(UINT16 conn_id, UINT16 handle) {
return bta_gattc_get_characteristic(conn_id, handle);
}
/*******************************************************************************
**
** Function BTA_GATTC_GetDescriptor
**
** Description This function is called to find the characteristic on the given server.
**
** Parameters conn_id - connection ID which identify the server.
** handle - descriptor handle
**
** Returns returns pointer to tBTA_GATTC_DESCRIPTOR or NULL.
**
*******************************************************************************/
const tBTA_GATTC_DESCRIPTOR* BTA_GATTC_GetDescriptor(UINT16 conn_id, UINT16 handle) {
return bta_gattc_get_descriptor(conn_id, handle);
}
/*******************************************************************************
**
** Function BTA_GATTC_GetGattDb
**
** Description This function is called to get the GATT database.
**
** Parameters conn_id: connection ID which identify the server.
** db: output parameter which will contain the GATT database copy.
** Caller is responsible for freeing it.
** count: number of elements in database.
**
*******************************************************************************/
void BTA_GATTC_GetGattDb(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle,
btgatt_db_element_t **db, int *count)
{
bta_gattc_get_gatt_db(conn_id, start_handle, end_handle, db, count);
}
/*******************************************************************************
**
** Function BTA_GATTC_ReadCharacteristic
**
** Description This function is called to read a characteristics value
**
** Parameters conn_id - connection ID.
** handle - characteritic handle to read.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_ReadCharacteristic(UINT16 conn_id, UINT16 handle, tBTA_GATT_AUTH_REQ auth_req)
{
tBTA_GATTC_API_READ *p_buf =
(tBTA_GATTC_API_READ *)osi_calloc(sizeof(tBTA_GATTC_API_READ));
p_buf->hdr.event = BTA_GATTC_API_READ_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->auth_req = auth_req;
p_buf->handle = handle;
p_buf->cmpl_evt = BTA_GATTC_READ_CHAR_EVT;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_ReadCharDescr
**
** Description This function is called to read a descriptor value.
**
** Parameters conn_id - connection ID.
** handle - descriptor handle to read.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_ReadCharDescr (UINT16 conn_id, UINT16 handle, tBTA_GATT_AUTH_REQ auth_req)
{
tBTA_GATTC_API_READ *p_buf =
(tBTA_GATTC_API_READ *)osi_calloc(sizeof(tBTA_GATTC_API_READ));
p_buf->hdr.event = BTA_GATTC_API_READ_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->auth_req = auth_req;
p_buf->handle = handle;
p_buf->cmpl_evt = BTA_GATTC_READ_DESCR_EVT;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_ReadMultiple
**
** Description This function is called to read multiple characteristic or
** characteristic descriptors.
**
** Parameters conn_id - connectino ID.
** p_read_multi - pointer to the read multiple parameter.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_ReadMultiple(UINT16 conn_id, tBTA_GATTC_MULTI *p_read_multi,
tBTA_GATT_AUTH_REQ auth_req)
{
tBTA_GATTC_API_READ_MULTI *p_buf =
(tBTA_GATTC_API_READ_MULTI *)osi_calloc(sizeof(tBTA_GATTC_API_READ_MULTI));
p_buf->hdr.event = BTA_GATTC_API_READ_MULTI_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->auth_req = auth_req;
p_buf->num_attr = p_read_multi->num_attr;
if (p_buf->num_attr > 0)
memcpy(p_buf->handles, p_read_multi->handles, sizeof(UINT16) * p_read_multi->num_attr);
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_WriteCharValue
**
** Description This function is called to write characteristic value.
**
** Parameters conn_id - connection ID.
** handle - characteristic handle to write.
** write_type - type of write.
** len: length of the data to be written.
** p_value - the value to be written.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_WriteCharValue ( UINT16 conn_id,
UINT16 handle,
tBTA_GATTC_WRITE_TYPE write_type,
UINT16 len,
UINT8 *p_value,
tBTA_GATT_AUTH_REQ auth_req)
{
tBTA_GATTC_API_WRITE *p_buf =
(tBTA_GATTC_API_WRITE *)osi_calloc(sizeof(tBTA_GATTC_API_WRITE) + len);
p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->auth_req = auth_req;
p_buf->handle = handle;
p_buf->cmpl_evt = BTA_GATTC_WRITE_CHAR_EVT;
p_buf->write_type = write_type;
p_buf->len = len;
if (p_value && len > 0) {
p_buf->p_value = (UINT8 *)(p_buf + 1);
memcpy(p_buf->p_value, p_value, len);
}
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_WriteCharDescr
**
** Description This function is called to write descriptor value.
**
** Parameters conn_id - connection ID
** handle - descriptor hadle to write.
** write_type - write type.
** p_value - the value to be written.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_WriteCharDescr (UINT16 conn_id,
UINT16 handle,
tBTA_GATTC_WRITE_TYPE write_type,
tBTA_GATT_UNFMT *p_data,
tBTA_GATT_AUTH_REQ auth_req)
{
size_t len = sizeof(tBTA_GATTC_API_WRITE);
if (p_data != NULL)
len += p_data->len;
tBTA_GATTC_API_WRITE *p_buf = (tBTA_GATTC_API_WRITE *)osi_calloc(len);
p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->auth_req = auth_req;
p_buf->handle = handle;
p_buf->cmpl_evt = BTA_GATTC_WRITE_DESCR_EVT;
p_buf->write_type = write_type;
if (p_data && p_data->len != 0) {
p_buf->p_value = (UINT8 *)(p_buf + 1);
p_buf->len = p_data->len;
/* pack the descr data */
memcpy(p_buf->p_value, p_data->p_value, p_data->len);
}
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_PrepareWrite
**
** Description This function is called to prepare write a characteristic value.
**
** Parameters conn_id - connection ID.
** p_char_id - GATT characteritic ID of the service.
** offset - offset of the write value.
** len: length of the data to be written.
** p_value - the value to be written.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_PrepareWrite (UINT16 conn_id, UINT16 handle,
UINT16 offset, UINT16 len, UINT8 *p_value,
tBTA_GATT_AUTH_REQ auth_req)
{
tBTA_GATTC_API_WRITE *p_buf =
(tBTA_GATTC_API_WRITE *)osi_calloc(sizeof(tBTA_GATTC_API_WRITE) + len);
p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->auth_req = auth_req;
p_buf->handle = handle;
p_buf->write_type = BTA_GATTC_WRITE_PREPARE;
p_buf->offset = offset;
p_buf->len = len;
if (p_value && len > 0) {
p_buf->p_value = (UINT8 *)(p_buf + 1);
memcpy(p_buf->p_value, p_value, len);
}
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_ExecuteWrite
**
** Description This function is called to execute write a prepare write sequence.
**
** Parameters conn_id - connection ID.
** is_execute - execute or cancel.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_ExecuteWrite (UINT16 conn_id, BOOLEAN is_execute)
{
tBTA_GATTC_API_EXEC *p_buf =
(tBTA_GATTC_API_EXEC *)osi_calloc(sizeof(tBTA_GATTC_API_EXEC));
p_buf->hdr.event = BTA_GATTC_API_EXEC_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->is_execute = is_execute;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_SendIndConfirm
**
** Description This function is called to send handle value confirmation.
**
** Parameters conn_id - connection ID.
** p_char_id - characteristic ID to confirm.
**
** Returns None
**
*******************************************************************************/
void BTA_GATTC_SendIndConfirm (UINT16 conn_id, UINT16 handle)
{
tBTA_GATTC_API_CONFIRM *p_buf =
(tBTA_GATTC_API_CONFIRM *)osi_calloc(sizeof(tBTA_GATTC_API_CONFIRM));
APPL_TRACE_API("%s conn_id=%d handle=0x%04x", __func__, conn_id, handle);
p_buf->hdr.event = BTA_GATTC_API_CONFIRM_EVT;
p_buf->hdr.layer_specific = conn_id;
p_buf->handle = handle;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_RegisterForNotifications
**
** Description This function is called to register for notification of a service.
**
** Parameters client_if - client interface.
** bda - target GATT server.
** handle - GATT characteristic handle.
**
** Returns OK if registration succeed, otherwise failed.
**
*******************************************************************************/
tBTA_GATT_STATUS BTA_GATTC_RegisterForNotifications (tBTA_GATTC_IF client_if,
BD_ADDR bda, UINT16 handle)
{
tBTA_GATTC_RCB *p_clreg;
tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER;
UINT8 i;
if (!handle)
{
APPL_TRACE_ERROR("deregistration failed, handle is 0");
return status;
}
if ((p_clreg = bta_gattc_cl_get_regcb(client_if)) != NULL)
{
for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++)
{
if ( p_clreg->notif_reg[i].in_use &&
!memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) &&
p_clreg->notif_reg[i].handle == handle)
{
APPL_TRACE_WARNING("notification already registered");
status = BTA_GATT_OK;
break;
}
}
if (status != BTA_GATT_OK)
{
for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++)
{
if (!p_clreg->notif_reg[i].in_use)
{
memset((void *)&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG));
p_clreg->notif_reg[i].in_use = TRUE;
memcpy(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN);
p_clreg->notif_reg[i].handle = handle;
status = BTA_GATT_OK;
break;
}
}
if (i == BTA_GATTC_NOTIF_REG_MAX)
{
status = BTA_GATT_NO_RESOURCES;
APPL_TRACE_ERROR("Max Notification Reached, registration failed.");
}
}
}
else
{
APPL_TRACE_ERROR("Client_if: %d Not Registered", client_if);
}
return status;
}
/*******************************************************************************
**
** Function BTA_GATTC_DeregisterForNotifications
**
** Description This function is called to de-register for notification of a servbice.
**
** Parameters client_if - client interface.
** remote_bda - target GATT server.
** handle - GATT characteristic handle.
**
** Returns OK if deregistration succeed, otherwise failed.
**
*******************************************************************************/
tBTA_GATT_STATUS BTA_GATTC_DeregisterForNotifications (tBTA_GATTC_IF client_if,
BD_ADDR bda, UINT16 handle)
{
if (!handle) {
APPL_TRACE_ERROR("%s: deregistration failed, handle is 0", __func__);
return BTA_GATT_ILLEGAL_PARAMETER;
}
tBTA_GATTC_RCB *p_clreg = bta_gattc_cl_get_regcb(client_if);
if (p_clreg == NULL) {
APPL_TRACE_ERROR("%s client_if: %d not registered bd_addr:%02x:%02x:%02x:%02x:%02x:%02x",
__func__, client_if, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
return BTA_GATT_ILLEGAL_PARAMETER;
}
for (int i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) {
if (p_clreg->notif_reg[i].in_use &&
!memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) &&
p_clreg->notif_reg[i].handle == handle) {
APPL_TRACE_DEBUG("%s deregistered bd_addr:%02x:%02x:%02x:%02x:%02x:%02x",
__func__, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
memset(&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG));
return BTA_GATT_OK;
}
}
APPL_TRACE_ERROR("%s registration not found bd_addr:%02x:%02x:%02x:%02x:%02x:%02x",
__func__, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
return BTA_GATT_ERROR;
}
/*******************************************************************************
**
** Function BTA_GATTC_Refresh
**
** Description Refresh the server cache of the remote device
**
** Parameters remote_bda: remote device BD address.
**
** Returns void
**
*******************************************************************************/
void BTA_GATTC_Refresh(BD_ADDR remote_bda)
{
tBTA_GATTC_API_OPEN *p_buf =
(tBTA_GATTC_API_OPEN *)osi_malloc(sizeof(tBTA_GATTC_API_OPEN));
p_buf->hdr.event = BTA_GATTC_API_REFRESH_EVT;
memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN);
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_Listen
**
** Description Start advertisement to listen for connection request for a GATT
** client application.
**
** Parameters client_if: server interface.
** start: to start or stop listening for connection
** remote_bda: remote device BD address, if listen to all device
** use NULL.
**
** Returns void
**
*******************************************************************************/
void BTA_GATTC_Listen(tBTA_GATTC_IF client_if, BOOLEAN start, BD_ADDR_PTR target_bda)
{
tBTA_GATTC_API_LISTEN *p_buf =
(tBTA_GATTC_API_LISTEN *)osi_malloc(sizeof(tBTA_GATTC_API_LISTEN) + BD_ADDR_LEN);
p_buf->hdr.event = BTA_GATTC_API_LISTEN_EVT;
p_buf->client_if = client_if;
p_buf->start = start;
if (target_bda) {
p_buf->remote_bda = (UINT8*)(p_buf + 1);
memcpy(p_buf->remote_bda, target_bda, BD_ADDR_LEN);
} else {
p_buf->remote_bda = NULL;
}
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function BTA_GATTC_Broadcast
**
** Description Start broadcasting (non-connectable advertisements)
**
** Parameters client_if: client interface.
** start: to start or stop listening for connection
**
** Returns void
**
*******************************************************************************/
void BTA_GATTC_Broadcast(tBTA_GATTC_IF client_if, BOOLEAN start)
{
tBTA_GATTC_API_LISTEN *p_buf =
(tBTA_GATTC_API_LISTEN *)osi_malloc(sizeof(tBTA_GATTC_API_LISTEN) + BD_ADDR_LEN);
p_buf->hdr.event = BTA_GATTC_API_BROADCAST_EVT;
p_buf->client_if = client_if;
p_buf->start = start;
bta_sys_sendmsg(p_buf);
}
#endif /* BTA_GATT_INCLUDED */