Bluedroid protocol stack HCI thread data processing flow analysis

In the process of Bluetooth enable, multiple threads are created and the threads are bound to the queue. This article mainly analyzes the processing of HCI data this thread.

voidBtu_startup (void){. .. btu_bta_msg_queue=fixed_queue_new (Size_max);Btu_general_alarm_hash_map=hash_map_new (btu_general_alarm_hash_map_size, Hash_function_pointer, NULL, (DATA_FREE_FN) alarm_free, NULL) ;Btu_general_alarm_queue=fixed_queue_new (Size_max);Btu_oneshot_alarm_hash_map=hash_map_new (btu_oneshot_alarm_hash_map_size, Hash_function_pointer, NULL, (DATA_FREE_FN) alarm_free, NULL) ;Btu_oneshot_alarm_queue=fixed_queue_new (Size_max);Btu_l2cap_alarm_hash_map=hash_map_new (btu_l2cap_alarm_hash_map_size, Hash_function_pointer, NULL, (DATA_FREE_FN) alarm_free, NULL); /c6>Btu_l2cap_alarm_queue=fixed_queue_new (Size_max);Bt_workqueue_thread=thread_new (bt_workqueue_name);//The thread is the thread that handles each task and then binds to multiple queues
//Continue startup on BT workqueue thread.thread_post (Bt_workqueue_thread, btu_task_start_up, NULL);//InThe job of continuing startup in Bt_workqueue_thread

Return
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Bluedroid protocol stack HCI thread data processing flow analysis