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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 HID Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_hid.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_hid_uninitialize PORTABLE C */
/* 6.x */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function uninitializes the USB HID device. */
/* */
/* INPUT */
/* */
/* command Pointer to hid command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_device_thread_delete Remove storage thread. */
/* _ux_utility_memory_free Free memory used by storage */
/* _ux_utility_event_flags_delete Remove flag event structure */
/* */
/* */
/* CALLED BY */
/* */
/* USBX Source Code */
/* */
/**************************************************************************/
UINT _ux_device_class_hid_uninitialize(UX_SLAVE_CLASS_COMMAND *command)
{
UX_SLAVE_CLASS_HID *hid;
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. */
hid = (UX_SLAVE_CLASS_HID *) class_ptr -> ux_slave_class_instance;
/* Sanity check. */
if (hid != UX_NULL)
{
#if !defined(UX_DEVICE_STANDALONE)
/* Remove HID thread. */
_ux_device_thread_delete(&class_ptr -> ux_slave_class_thread);
/* Remove the thread used by HID. */
_ux_utility_memory_free(class_ptr -> ux_slave_class_thread_stack);
/* Delete the event flag group for the hid class. */
_ux_device_event_flags_delete(&hid -> ux_device_class_hid_event_flags_group);
#endif
/* Free memory for the array. */
#if (UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1) && defined(UX_DEVICE_CLASS_HID_ZERO_COPY)
_ux_utility_memory_free(hid -> ux_device_class_hid_event_array -> ux_device_class_hid_event_buffer);
#endif
_ux_utility_memory_free(hid -> ux_device_class_hid_event_array);
#if defined(UX_DEVICE_CLASS_HID_INTERRUPT_OUT_SUPPORT)
#if !defined(UX_DEVICE_STANDALONE)
/* Free read mutex. */
_ux_device_mutex_delete(&hid -> ux_device_class_hid_read_mutex);
#endif
/* Uninitialize receiver. */
if (hid -> ux_device_class_hid_receiver)
hid -> ux_device_class_hid_receiver ->
ux_device_class_hid_receiver_uninitialize(hid -> ux_device_class_hid_receiver);
#endif
#if defined(UX_DEVICE_CLASS_HID_OWN_ENDPOINT_BUFFER)
_ux_utility_memory_free(hid -> ux_device_class_hid_endpoint_buffer);
#endif
/* Free the resources. */
_ux_utility_memory_free(hid);
}
/* Return completion status. */
return(UX_SUCCESS);
}
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