unplugged-vendor/system/bt/mediatek/stack/btm/mtk_btm_inq.cc

103 lines
3.9 KiB
C++

/* Copyright Statement:
* *
* * This software/firmware and related documentation ("MediaTek Software") are
* * protected under relevant copyright laws. The information contained herein
* * is confidential and proprietary to MediaTek Inc. and/or its licensors.
* * Without the prior written permission of MediaTek inc. and/or its licensors,
* * any reproduction, modification, use or disclosure of MediaTek Software,
* * and information contained herein, in whole or in part, shall be strictly prohibited.
* *
* * MediaTek Inc. (C) 2016. All rights reserved.
* *
* * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
* * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
* *
* * The following software/firmware and/or related documentation ("MediaTek Software")
* * have been modified by MediaTek Inc. All revisions are subject to any receiver's
* * applicable license agreements with MediaTek Inc.
* */
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common/time_util.h"
#include "device/include/controller.h"
#include "osi/include/log.h"
#include "osi/include/osi.h"
#include "advertise_data_parser.h"
#include "bt_common.h"
#include "bt_types.h"
#include "hcidefs.h"
#include "main/shim/btm_api.h"
#include "main/shim/shim.h"
#include "stack/btm/btm_ble_int.h"
#include "stack/btm/btm_int.h"
#include "stack/btm/btm_int_types.h"
#include "stack/include/acl_api.h"
#include "stack/include/btm_api.h"
#include "stack/include/btm_ble_api.h"
#include "stack/include/btu.h"
#include "stack/include/hcimsgs.h"
#include "stack/include/inq_hci_link_interface.h"
#include "mediatek/bta/include/mtk_bta_dm.h"
/** M: Bug fix connect device with clock_offset=0 @{ */
#include "mtk_btif_config.h"
/** @} */
extern tBTM_CB btm_cb;
tINQ_DB_ENT* btm_inq_db_new(const RawAddress& p_bda, bool is_ble) {
uint16_t xx = 0, yy = 0;
uint32_t ot = 0xFFFFFFFF;
if (is_ble) yy = BTM_INQ_DB_SIZE / 2;
else yy = 0;
tINQ_DB_ENT* p_ent = &btm_cb.btm_inq_vars.inq_db[yy];
tINQ_DB_ENT* p_old = &btm_cb.btm_inq_vars.inq_db[yy];
for (xx = 0; xx < BTM_INQ_DB_SIZE / 2; xx++, p_ent++) {
if (!p_ent->in_use) {
memset(p_ent, 0, sizeof(tINQ_DB_ENT));
p_ent->inq_info.results.remote_bd_addr = p_bda;
p_ent->in_use = true;
return (p_ent);
}
if (p_ent->time_of_resp < ot) {
p_old = p_ent;
ot = p_ent->time_of_resp;
}
}
/* If here, no free entry found. Return the oldest. */
memset(p_old, 0, sizeof(tINQ_DB_ENT));
p_old->inq_info.results.remote_bd_addr = p_bda;
p_old->in_use = true;
return (p_old);
}