/***************************************************************************
 * 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);
}

