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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 CDC Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_cdc_acm.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_cdc_acm_uninitialize PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function uninitialize the cdc-acm class. */
/* */
/* INPUT */
/* */
/* command Pointer to a class command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_device_mutex_delete Delete Mutex */
/* _ux_utility_memory_free Free used local memory */
/* */
/* CALLED BY */
/* */
/* CDC Class */
/* */
/**************************************************************************/
UINT _ux_device_class_cdc_acm_uninitialize(UX_SLAVE_CLASS_COMMAND *command)
{
UX_SLAVE_CLASS_CDC_ACM *cdc_acm;
UX_SLAVE_CLASS *class_ptr;
/* Get the class container. */
class_ptr = command -> ux_slave_class_command_class_ptr;
/* Get the class instance in the container. */
cdc_acm = (UX_SLAVE_CLASS_CDC_ACM *) class_ptr -> ux_slave_class_instance;
/* Sanity check. */
if (cdc_acm != UX_NULL)
{
#if !defined(UX_DEVICE_STANDALONE)
/* Delete the IN endpoint mutex. */
_ux_device_mutex_delete(&cdc_acm -> ux_slave_class_cdc_acm_endpoint_in_mutex);
/* Out Mutex. */
_ux_device_mutex_delete(&cdc_acm -> ux_slave_class_cdc_acm_endpoint_out_mutex);
#ifndef UX_DEVICE_CLASS_CDC_ACM_TRANSMISSION_DISABLE
/* Free resources and return error. */
_ux_utility_thread_delete(&cdc_acm -> ux_slave_class_cdc_acm_bulkin_thread);
_ux_utility_thread_delete(&cdc_acm -> ux_slave_class_cdc_acm_bulkout_thread);
_ux_utility_event_flags_delete(&cdc_acm -> ux_slave_class_cdc_acm_event_flags_group);
_ux_utility_memory_free(cdc_acm -> ux_slave_class_cdc_acm_bulkout_thread_stack);
#endif
#endif
#if defined(UX_DEVICE_CLASS_CDC_ACM_OWN_ENDPOINT_BUFFER)
/* Free the buffer for bulk endpoints. */
_ux_utility_memory_free(cdc_acm -> ux_device_class_cdc_acm_endpoint_buffer);
#endif
/* Free the resources. */
_ux_utility_memory_free(cdc_acm);
}
/* Return completion status. */
return(UX_SUCCESS);
}
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