esp-idf/components/bt/bluedroid/stack/btm/btm_main.c

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/******************************************************************************
*
* Copyright (C) 2002-2012 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 file contains the definition of the btm control block when
* BTM_DYNAMIC_MEMORY is used.
*
******************************************************************************/
#include "stack/bt_types.h"
#include "common/bt_target.h"
#include <string.h>
#include "btm_int.h"
#include "osi/allocator.h"
/* Global BTM control block structure
*/
#if BTM_DYNAMIC_MEMORY == FALSE
tBTM_CB btm_cb;
#else
tBTM_CB *btm_cb_ptr;
#endif
/*******************************************************************************
**
** Function btm_init
**
** Description This function is called at BTM startup to allocate the
** control block (if using dynamic memory), and initializes the
** tracing level. It then initializes the various components of
** btm.
**
** Returns void
**
*******************************************************************************/
void btm_init (void)
{
#if BTM_DYNAMIC_MEMORY
btm_cb_ptr = (tBTM_CB *)osi_malloc(sizeof(tBTM_CB));
#endif /* #if BTM_DYNAMIC_MEMORY */
/* All fields are cleared; nonzero fields are reinitialized in appropriate function */
memset(&btm_cb, 0, sizeof(tBTM_CB));
btm_cb.page_queue = fixed_queue_new(QUEUE_SIZE_MAX);
btm_cb.sec_pending_q = fixed_queue_new(QUEUE_SIZE_MAX);
#if defined(BTM_INITIAL_TRACE_LEVEL)
btm_cb.trace_level = BTM_INITIAL_TRACE_LEVEL;
#else
btm_cb.trace_level = BT_TRACE_LEVEL_NONE;
#endif
/* Initialize BTM component structures */
btm_inq_db_init(); /* Inquiry Database and Structures */
btm_acl_init(); /* ACL Database and Structures */
#if (SMP_INCLUDED == TRUE)
btm_sec_init(BTM_SEC_MODE_SP); /* Security Manager Database and Structures */
#endif ///SMP_INCLUDED == TRUE
#if BTM_SCO_INCLUDED == TRUE
btm_sco_init(); /* SCO Database and Structures (If included) */
#endif
btm_dev_init(); /* Device Manager Structures & HCI_Reset */
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btm_lock_init();
btm_sem_init();
}
/*******************************************************************************
**
** Function btm_free
**
** Description This function is called at btu core free the fixed queue
**
** Returns void
**
*******************************************************************************/
void btm_free(void)
{
fixed_queue_free(btm_cb.page_queue, osi_free_func);
fixed_queue_free(btm_cb.sec_pending_q, osi_free_func);
#if BTM_DYNAMIC_MEMORY
FREE_AND_RESET(btm_cb_ptr);
#endif
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btm_lock_free();
btm_sem_free();
}