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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.
*
******************************************************************************/
#include <string.h>
#include "bt_target.h"
#include "bt_types.h"
#include "btm_int.h"
#include "stack_config.h"
#include "osi/include/properties.h"
#if (OFF_TARGET_TEST_ENABLED == TRUE)
#include "bt_prop.h"
#endif
/* Global BTM control block structure
*/
tBTM_CB btm_cb;
/*******************************************************************************
*
* 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) {
/* All fields are cleared; nonzero fields are reinitialized in appropriate
* function */
char rpa_offload_prop[PROPERTY_VALUE_MAX] = "false";
memset(&btm_cb, 0, sizeof(tBTM_CB));
btm_cb.page_queue = fixed_queue_new(SIZE_MAX);
btm_cb.sec_pending_q = fixed_queue_new(SIZE_MAX);
btm_cb.sec_collision_timer = alarm_new("btm.sec_collision_timer");
btm_cb.pairing_timer = alarm_new("btm.pairing_timer");
if (property_get("persist.vendor.btstack.enable.rpa_gen_offload", rpa_offload_prop, "false")
&& !strcmp(rpa_offload_prop, "true")) {
btm_cb.rpa_gen_offload_enabled = true;
}
else {
btm_cb.rpa_gen_offload_enabled = false;
}
#if defined(BTM_INITIAL_TRACE_LEVEL)
btm_cb.trace_level = BTM_INITIAL_TRACE_LEVEL;
#else
btm_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */
#endif
/* Initialize BTM component structures */
btm_inq_db_init(); /* Inquiry Database and Structures */
btm_acl_init(); /* ACL Database and Structures */
/* Security Manager Database and Structures */
if (stack_config_get_interface()->get_pts_secure_only_mode())
btm_sec_init(BTM_SEC_MODE_SC);
else
btm_sec_init(BTM_SEC_MODE_SP);
#if (BTM_SCO_INCLUDED == TRUE)
btm_sco_init(); /* SCO Database and Structures (If included) */
#endif
btm_cb.sec_dev_rec = list_new(osi_free);
btm_dev_init(); /* Device Manager Structures & HCI_Reset */
}
/** This function is called to free dynamic memory and system resource allocated by btm_init */
void btm_free(void) {
fixed_queue_free(btm_cb.page_queue, NULL);
btm_cb.page_queue = NULL;
fixed_queue_free(btm_cb.sec_pending_q, NULL);
btm_cb.sec_pending_q = NULL;
btm_dev_free();
btm_inq_db_free();
list_free(btm_cb.sec_dev_rec);
btm_cb.sec_dev_rec = NULL;
alarm_free(btm_cb.sec_collision_timer);
btm_cb.sec_collision_timer = NULL;
alarm_free(btm_cb.pairing_timer);
btm_cb.pairing_timer = NULL;
}
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