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/******************************************************************************
*
* Copyright (C) 2000-2012 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.
*
******************************************************************************/
#define LOG_TAG "bt_task"
#include <base/logging.h>
#include <pthread.h>
#include <string.h>
#include "bt_target.h"
#include "btm_int.h"
#include "btu.h"
#include "device/include/controller.h"
#include "gatt_api.h"
#include "gatt_int.h"
#include "l2c_int.h"
#include "osi/include/alarm.h"
#include "osi/include/fixed_queue.h"
#include "osi/include/log.h"
#include "osi/include/thread.h"
#include "sdpint.h"
#include "smp_int.h"
// RT priority for audio-related tasks
#define BTU_TASK_RT_PRIORITY 1
// Communication queue from hci thread to bt_workqueue.
extern fixed_queue_t* btu_hci_msg_queue;
thread_t* bt_workqueue_thread;
static const char* BT_WORKQUEUE_NAME = "bt_workqueue";
extern void PLATFORM_DisableHciTransport(uint8_t bDisable);
void btu_task_start_up(void* context);
void btu_task_shut_down(void* context);
/*****************************************************************************
*
* Function btu_init_core
*
* Description Initialize control block memory for each core component.
*
*
* Returns void
*
*****************************************************************************/
void btu_init_core(void) {
/* Initialize the mandatory core stack components */
btm_init();
l2c_init();
sdp_init();
gatt_init();
SMP_Init();
btm_ble_init();
}
/*****************************************************************************
*
* Function btu_free_core
*
* Description Releases control block memory for each core component.
*
*
* Returns void
*
*****************************************************************************/
void btu_free_core(void) {
/* Free the mandatory core stack components */
gatt_free();
l2c_free();
sdp_free();
}
/*****************************************************************************
*
* Function BTU_StartUp
*
* Description Initializes the BTU control block.
*
* NOTE: Must be called before creating any tasks
* (RPC, BTU, HCIT, APPL, etc.)
*
* Returns void
*
*****************************************************************************/
void BTU_StartUp(void) {
btu_trace_level = HCI_INITIAL_TRACE_LEVEL;
bt_workqueue_thread = thread_new(BT_WORKQUEUE_NAME);
if (bt_workqueue_thread == NULL) goto error_exit;
thread_set_rt_priority(bt_workqueue_thread, BTU_TASK_RT_PRIORITY);
// Continue startup on bt workqueue thread.
thread_post(bt_workqueue_thread, btu_task_start_up, NULL);
return;
error_exit:;
LOG_ERROR(LOG_TAG, "%s Unable to allocate resources for bt_workqueue",
__func__);
BTU_ShutDown();
}
void BTU_ShutDown(void) {
btu_task_shut_down(NULL);
thread_free(bt_workqueue_thread);
bt_workqueue_thread = NULL;
}
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