/**************************************************************************/
/*                                                                        */
/*       Copyright (c) Microsoft Corporation. All rights reserved.        */
/*                                                                        */
/*       This software is licensed under the Microsoft Software License   */
/*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
/*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
/*       and in the root directory of this software.                      */
/*                                                                        */
/**************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */ 
/** USBX Component                                                        */ 
/**                                                                       */
/**   Device Storage Class                                                */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define UX_SOURCE_CODE


/* Include necessary system files.  */

#include "ux_api.h"
#include "ux_device_class_storage.h"
#include "ux_device_stack.h"


/**************************************************************************/ 
/*                                                                        */ 
/*  FUNCTION                                               RELEASE        */ 
/*                                                                        */ 
/*    _ux_device_class_storage_uninitialize               PORTABLE C      */ 
/*                                                           6.1.12       */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */ 
/*    This function deinitializes the USB storage device.                 */ 
/*                                                                        */ 
/*  INPUT                                                                 */ 
/*                                                                        */ 
/*    command                               Pointer to storage command    */ 
/*                                                                        */ 
/*  OUTPUT                                                                */ 
/*                                                                        */ 
/*    Completion Status                                                   */ 
/*                                                                        */ 
/*  CALLS                                                                 */ 
/*                                                                        */ 
/*    _ux_utility_memory_free               Free memory                   */
/*    _ux_device_thread_delete              Delete thread                 */
/*                                                                        */ 
/*  CALLED BY                                                             */ 
/*                                                                        */ 
/*    Device Storage Class                                                */ 
/*                                                                        */ 
/*  RELEASE HISTORY                                                       */ 
/*                                                                        */ 
/*    DATE              NAME                      DESCRIPTION             */ 
/*                                                                        */ 
/*  05-19-2020     Chaoqiong Xiao           Initial Version 6.0           */
/*  09-30-2020     Chaoqiong Xiao           Modified comment(s),          */
/*                                            resulting in version 6.1    */
/*  01-31-2022     Chaoqiong Xiao           Modified comment(s),          */
/*                                            added standalone support,   */
/*                                            resulting in version 6.1.10 */
/*  07-29-2022     Chaoqiong Xiao           Modified comment(s),          */
/*                                            fixed parameter/variable    */
/*                                            names conflict C++ keyword, */
/*                                            resulting in version 6.1.12 */
/*                                                                        */
/**************************************************************************/
UINT  _ux_device_class_storage_uninitialize(UX_SLAVE_CLASS_COMMAND *command)
{
                                          
UX_SLAVE_CLASS_STORAGE                  *storage;
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.  */
    storage = (UX_SLAVE_CLASS_STORAGE *) class_ptr -> ux_slave_class_instance;
    
    /* Sanity check.  */
    if (storage != UX_NULL)
    {

        /* Remove STORAGE thread.  */
        _ux_device_thread_delete(&class_ptr -> ux_slave_class_thread);

#if !(defined(UX_DEVICE_STANDALONE) || defined(UX_STANDALONE))    
        /* Remove the thread used by STORAGE.  */
        _ux_utility_memory_free(class_ptr -> ux_slave_class_thread_stack);
#endif

        /* Free the resources.  */
        _ux_utility_memory_free(storage);
    }
    
    /* Return completion status.  */
    return(UX_SUCCESS);
}