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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
*
* 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 */
/** */
/** Host Stack */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_host_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_host_stack_uninitialize PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function uninitializes all the host code for USBX to work on a */
/* specific platform. */
/* */
/* Note following steps must be done before host stack uninitialize: */
/* All HCDs must be unregistered (devices also removed). */
/* All classes unregistered (clients attached also removed). */
/* */
/* INPUT */
/* */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* UX_SUCCESS Uninitialized success */
/* */
/* */
/* CALLS */
/* */
/* _ux_utility_memory_free Free host memory */
/* _ux_utility_thread_delete Delete host thread */
/* _ux_utility_semaphore_delete Delete host semaphore */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Chaoqiong Xiao Initial Version 6.1 */
/* 08-02-2021 Xiuwen Cai Modified comment(s), */
/* fixed compile issue, */
/* resulting in version 6.1.8 */
/* 01-31-2022 Chaoqiong Xiao Modified comment(s), */
/* added standalone support, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
UINT _ux_host_stack_uninitialize(VOID)
{
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_STACK_UNINITIALIZE, 0, 0, 0, 0, UX_TRACE_HOST_STACK_EVENTS, 0, 0)
#if !defined(UX_HOST_STANDALONE)
/* Delete enumeration thread. */
_ux_utility_thread_delete(&_ux_system_host -> ux_system_host_enum_thread);
/* Delete enumeration semaphore. */
_ux_utility_semaphore_delete(&_ux_system_host -> ux_system_host_enum_semaphore);
/* Free enumeration thread stack. */
_ux_utility_memory_free(_ux_system_host -> ux_system_host_enum_thread_stack);
/* Delete HCD thread. */
_ux_utility_thread_delete(&_ux_system_host -> ux_system_host_hcd_thread);
/* Delete HCD semaphore. */
_ux_utility_semaphore_delete(&_ux_system_host -> ux_system_host_hcd_semaphore);
/* Free HCD thread stack. */
_ux_utility_memory_free(_ux_system_host -> ux_system_host_hcd_thread_stack);
#endif
#if defined(UX_OTG_SUPPORT) && !defined(UX_OTG_STANDALONE)
/* Delete HNP thread. */
_ux_utility_thread_delete(&_ux_system_host -> ux_system_host_hnp_polling_thread);
/* Free HNP thread stack. */
_ux_utility_memory_free(_ux_system_host -> ux_system_host_hnp_polling_thread_stack);
#endif
/* Free HCD array. */
_ux_utility_memory_free(_ux_system_host -> ux_system_host_hcd_array);
/* Free Class array. */
_ux_utility_memory_free(_ux_system_host -> ux_system_host_class_array);
/* Free Device array. */
_ux_utility_memory_free(_ux_system_host -> ux_system_host_device_array);
/* Return success to caller. */
return(UX_SUCCESS);
}
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