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