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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 */
/** */
/** HID Class */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_host_class_hid.h"
#include "ux_host_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_host_class_hid_instance_clean PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function cleans all the components of a HID instance. */
/* */
/* INPUT */
/* */
/* hid Pointer to HID class */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_memory_free Release memory block */
/* */
/* CALLED BY */
/* */
/* HID Class */
/* */
/**************************************************************************/
UINT _ux_host_class_hid_instance_clean(UX_HOST_CLASS_HID *hid)
{
UX_HOST_CLASS_HID_PARSER *hid_parser;
UX_HOST_CLASS_HID_REPORT *hid_report;
UX_HOST_CLASS_HID_REPORT *hid_next_report;
UX_HOST_CLASS_HID_FIELD *hid_field;
UX_HOST_CLASS_HID_FIELD *hid_next_field;
/* Get the parser structure pointer. */
hid_parser = &hid -> ux_host_class_hid_parser;
/* Each report list of the parser should be cleaned: Input report. */
hid_report = hid_parser -> ux_host_class_hid_parser_input_report;
while (hid_report != UX_NULL)
{
/* Get the next report before we clean the current report. */
hid_next_report = hid_report -> ux_host_class_hid_report_next_report;
/* Get the first field in the report. */
hid_field = hid_report -> ux_host_class_hid_report_field;
/* Clean all the fields attached. */
while (hid_field != UX_NULL)
{
/* Get the next field before we clean the current field. */
hid_next_field = hid_field -> ux_host_class_hid_field_next_field;
/* Free the usage table. */
if (hid_field -> ux_host_class_hid_field_usages != UX_NULL)
_ux_utility_memory_free(hid_field -> ux_host_class_hid_field_usages);
/* Free the value table. */
if (hid_field -> ux_host_class_hid_field_values != UX_NULL)
_ux_utility_memory_free(hid_field -> ux_host_class_hid_field_values);
/* Now free the field memory. */
_ux_utility_memory_free(hid_field);
/* Next field. */
hid_field = hid_next_field;
}
/* Free the report. */
_ux_utility_memory_free(hid_report);
/* Next report. */
hid_report = hid_next_report;
}
/* Each report list of the parser should be cleaned: Output report. */
hid_report = hid_parser -> ux_host_class_hid_parser_output_report;
while (hid_report != UX_NULL)
{
/* Get the next report before we clean the current report. */
hid_next_report = hid_report -> ux_host_class_hid_report_next_report;
/* Get the first field in the report. */
hid_field = hid_report -> ux_host_class_hid_report_field;
/* Clean all the fields attached. */
while (hid_field != UX_NULL)
{
/* Get the next field before we clean the current field. */
hid_next_field = hid_field -> ux_host_class_hid_field_next_field;
/* Free the usage table. */
if (hid_field -> ux_host_class_hid_field_usages != UX_NULL)
_ux_utility_memory_free(hid_field -> ux_host_class_hid_field_usages);
/* Free the value table. */
if (hid_field -> ux_host_class_hid_field_values != UX_NULL)
_ux_utility_memory_free(hid_field -> ux_host_class_hid_field_values);
/* Now free the field memory. */
_ux_utility_memory_free(hid_field);
/* Next field. */
hid_field = hid_next_field;
}
/* Free the report. */
_ux_utility_memory_free(hid_report);
/* Next report. */
hid_report = hid_next_report;
}
/* Each report list of the parser should be cleaned: Feature report. */
hid_report = hid_parser -> ux_host_class_hid_parser_feature_report;
while (hid_report != UX_NULL)
{
/* Get the next report before we clean the current report. */
hid_next_report = hid_report -> ux_host_class_hid_report_next_report;
/* Get the first field in the report. */
hid_field = hid_report -> ux_host_class_hid_report_field;
/* Clean all the fields attached. */
while (hid_field != UX_NULL)
{
/* Get the next field before we clean the current field. */
hid_next_field = hid_field -> ux_host_class_hid_field_next_field;
/* Free the usage table. */
if (hid_field -> ux_host_class_hid_field_usages != UX_NULL)
_ux_utility_memory_free(hid_field -> ux_host_class_hid_field_usages);
/* Free the value table. */
if (hid_field -> ux_host_class_hid_field_values != UX_NULL)
_ux_utility_memory_free(hid_field -> ux_host_class_hid_field_values);
/* Now free the field memory. */
_ux_utility_memory_free(hid_field);
/* Next field. */
hid_field = hid_next_field;
}
/* Free the report. */
_ux_utility_memory_free(hid_report);
/* Next report. */
hid_report = hid_next_report;
}
/* Return successful completion. */
return(UX_SUCCESS);
}
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