218 lines
7.6 KiB
C
218 lines
7.6 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2009-2013 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#ifdef BT_SUPPORT_NVM
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#include <stdio.h>
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#include <unistd.h>
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#endif /* BT_SUPPORT_NVM */
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#include "gki.h"
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#include "bta_gattc_co.h"
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#include "bta_gattc_ci.h"
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// #include "btif_util.h"
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#include "btm_int.h"
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#if( defined BLE_INCLUDED ) && (BLE_INCLUDED == TRUE)
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#if( defined BTA_GATT_INCLUDED ) && (BTA_GATT_INCLUDED == TRUE)
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#define GATT_CACHE_PREFIX "/data/misc/bluedroid/gatt_cache_"
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#ifdef BT_SUPPORT_NVM
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static FILE* sCacheFD = 0;
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static void getFilename(char *buffer, BD_ADDR bda)
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{
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sprintf(buffer, "%s%02x%02x%02x%02x%02x%02x", GATT_CACHE_PREFIX
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, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
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}
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static void cacheClose()
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{
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if (sCacheFD != 0)
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{
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fclose(sCacheFD);
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sCacheFD = 0;
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}
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}
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static bool cacheOpen(BD_ADDR bda, bool to_save)
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{
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char fname[255] = {0};
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getFilename(fname, bda);
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cacheClose();
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sCacheFD = fopen(fname, to_save ? "w" : "r");
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return (sCacheFD != 0);
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}
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static void cacheReset(BD_ADDR bda)
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{
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char fname[255] = {0};
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getFilename(fname, bda);
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unlink(fname);
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}
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#endif /* BT_SUPPORT_NVM */
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/*****************************************************************************
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** Function Declarations
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*****************************************************************************/
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/*******************************************************************************
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**
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** Function bta_gattc_co_cache_open
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**
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** Description This callout function is executed by GATTC when a GATT server
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** cache is ready to be sent.
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**
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** Parameter server_bda: server bd address of this cache belongs to
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** evt: call in event to be passed in when cache open is done.
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** conn_id: connection ID of this cache operation attach to.
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** to_save: open cache to save or to load.
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_gattc_co_cache_open(BD_ADDR server_bda, UINT16 evt, UINT16 conn_id, BOOLEAN to_save)
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{
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#ifdef BT_SUPPORT_NVM
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/* open NV cache and send call in */
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tBTA_GATT_STATUS status = BTA_GATT_OK;
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if (!btm_sec_is_a_bonded_dev(server_bda) || !cacheOpen(server_bda, to_save))
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status = BTA_GATT_ERROR;
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BTIF_TRACE_DEBUG("%s() - status=%d", __FUNCTION__, status);
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bta_gattc_ci_cache_open(server_bda, evt, status, conn_id);
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#else
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bta_gattc_ci_cache_open(server_bda, evt, BTA_GATT_ERROR, conn_id);
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#endif /* BT_SUPPORT_NVM */
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}
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/*******************************************************************************
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**
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** Function bta_gattc_co_cache_load
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**
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** Description This callout function is executed by GATT when server cache
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** is required to load.
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**
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** Parameter server_bda: server bd address of this cache belongs to
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** evt: call in event to be passed in when cache save is done.
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** num_attr: number of attribute to be save.
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** attr_index: starting attribute index of the save operation.
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** conn_id: connection ID of this cache operation attach to.
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** Returns
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**
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*******************************************************************************/
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void bta_gattc_co_cache_load(BD_ADDR server_bda, UINT16 evt, UINT16 start_index, UINT16 conn_id)
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{
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UINT16 num_attr = 0;
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tBTA_GATTC_NV_ATTR attr[BTA_GATTC_NV_LOAD_MAX];
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tBTA_GATT_STATUS status = BTA_GATT_ERROR;
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#ifdef BT_SUPPORT_NVM
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if (sCacheFD && (0 == fseek(sCacheFD, start_index * sizeof(tBTA_GATTC_NV_ATTR), SEEK_SET)))
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{
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num_attr = fread(attr, sizeof(tBTA_GATTC_NV_ATTR), BTA_GATTC_NV_LOAD_MAX, sCacheFD);
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status = (num_attr < BTA_GATTC_NV_LOAD_MAX ? BTA_GATT_OK : BTA_GATT_MORE);
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}
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BTIF_TRACE_DEBUG("%s() - sCacheFD=%p, start_index=%d, read=%d, status=%d",
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__FUNCTION__, sCacheFD, start_index, num_attr, status);
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#endif /* BT_SUPPORT_NVM */
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bta_gattc_ci_cache_load(server_bda, evt, num_attr, attr, status, conn_id);
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}
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/*******************************************************************************
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**
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** Function bta_gattc_co_cache_save
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**
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** Description This callout function is executed by GATT when a server cache
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** is available to save.
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**
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** Parameter server_bda: server bd address of this cache belongs to
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** evt: call in event to be passed in when cache save is done.
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** num_attr: number of attribute to be save.
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** p_attr: pointer to the list of attributes to save.
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** attr_index: starting attribute index of the save operation.
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** conn_id: connection ID of this cache operation attach to.
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** Returns
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**
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*******************************************************************************/
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void bta_gattc_co_cache_save (BD_ADDR server_bda, UINT16 evt, UINT16 num_attr,
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tBTA_GATTC_NV_ATTR *p_attr_list, UINT16 attr_index, UINT16 conn_id)
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{
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tBTA_GATT_STATUS status = BTA_GATT_OK;
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UNUSED(attr_index);
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#ifdef BT_SUPPORT_NVM
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if (sCacheFD != 0)
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{
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int num = fwrite(p_attr_list, sizeof(tBTA_GATTC_NV_ATTR), num_attr, sCacheFD);
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BTIF_TRACE_DEBUG("%s() wrote %d", __FUNCTION__, num);
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}
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#endif /* BT_SUPPORT_NVM */
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bta_gattc_ci_cache_save(server_bda, evt, status, conn_id);
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}
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/*******************************************************************************
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**
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** Function bta_gattc_co_cache_close
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**
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** Description This callout function is executed by GATTC when a GATT server
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** cache is written completely.
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**
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** Parameter server_bda: server bd address of this cache belongs to
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** conn_id: connection ID of this cache operation attach to.
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_gattc_co_cache_close(BD_ADDR server_bda, UINT16 conn_id)
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{
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UNUSED(server_bda);
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UNUSED(conn_id);
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#ifdef BT_SUPPORT_NVM
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cacheClose();
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#endif /* BT_SUPPORT_NVM */
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/* close NV when server cache is done saving or loading,
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does not need to do anything for now on Insight */
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BTIF_TRACE_DEBUG("%s()", __FUNCTION__);
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}
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/*******************************************************************************
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**
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** Function bta_gattc_co_cache_reset
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**
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** Description This callout function is executed by GATTC to reset cache in
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** application
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**
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** Parameter server_bda: server bd address of this cache belongs to
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_gattc_co_cache_reset(BD_ADDR server_bda)
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{
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BTIF_TRACE_DEBUG("%s()", __FUNCTION__);
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#ifdef BT_SUPPORT_NVM
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cacheReset(server_bda);
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#endif /* BT_SUPPORT_NVM */
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}
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#endif /* #if( defined BLE_INCLUDED ) && (BLE_INCLUDED == TRUE) */
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#endif /* #if( defined BTA_GATT_INCLUDED ) && (BTA_GATT_INCLUDED == TRUE) */
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