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