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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2026-present Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** Device Audio Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_audio.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_audio_uninitialize PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function uninitialize the Audio class. */
/* */
/* INPUT */
/* */
/* command Pointer to a class command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_device_thread_delete Delete thread used */
/* _ux_utility_memory_free Free used local memory */
/* */
/* CALLED BY */
/* */
/* Device Audio Class */
/* */
/**************************************************************************/
UINT _ux_device_class_audio_uninitialize(UX_SLAVE_CLASS_COMMAND *command)
{
UX_DEVICE_CLASS_AUDIO *audio;
UX_DEVICE_CLASS_AUDIO_STREAM *stream;
UX_SLAVE_CLASS *audio_class;
ULONG i;
/* Get the class container. */
audio_class = command -> ux_slave_class_command_class_ptr;
/* Get the class instance in the container. */
audio = (UX_DEVICE_CLASS_AUDIO *) audio_class -> ux_slave_class_instance;
/* Sanity check. */
if (audio != UX_NULL)
{
/* Free the stream resources. */
stream = (UX_DEVICE_CLASS_AUDIO_STREAM *)((UCHAR *)audio + sizeof(UX_DEVICE_CLASS_AUDIO));
for (i = 0; i < audio -> ux_device_class_audio_streams_nb; i ++)
{
#if !defined(UX_DEVICE_STANDALONE)
_ux_device_thread_delete(&stream -> ux_device_class_audio_stream_thread);
#if defined(UX_DEVICE_CLASS_AUDIO_FEEDBACK_SUPPORT)
if (stream -> ux_device_class_audio_stream_feedback_thread_stack)
{
_ux_device_thread_delete(&stream -> ux_device_class_audio_stream_feedback_thread);
_ux_utility_memory_free(stream -> ux_device_class_audio_stream_feedback_thread_stack);
}
#endif
_ux_utility_memory_free(stream -> ux_device_class_audio_stream_thread_stack);
#endif
_ux_utility_memory_free(stream -> ux_device_class_audio_stream_buffer);
#if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1
#if defined(UX_DEVICE_CLASS_AUDIO_FEEDBACK_SUPPORT)
_ux_utility_memory_free(stream -> ux_device_class_audio_stream_feedback_buffer);
#endif
#endif
/* Next stream instance. */
stream ++;
}
#if defined(UX_DEVICE_CLASS_AUDIO_INTERRUPT_SUPPORT)
#if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1
_ux_utility_memory_free(audio -> ux_device_class_audio_interrupt_buffer);
#endif
#if !defined(UX_DEVICE_STANDALONE)
_ux_device_thread_delete(&audio_class -> ux_slave_class_thread);
_ux_utility_memory_free(audio_class -> ux_slave_class_thread_stack);
_ux_device_semaphore_delete(&audio -> ux_device_class_audio_status_semaphore);
_ux_device_mutex_delete(&audio -> ux_device_class_audio_status_mutex);
#else
#endif
#endif
/* Free the audio instance with controls and streams. */
_ux_utility_memory_free(audio);
}
/* Return completion status. */
return(UX_SUCCESS);
}
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