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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 CCID Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_ccid.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_ccid_uninitialize PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function uninitialize the USB CCID device. */
/* */
/* INPUT */
/* */
/* command Pointer to ccid command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_memory_free Free memory */
/* _ux_device_mutex_delete Delete mutex */
/* _ux_utility_event_flags_delete Delete event flags */
/* _ux_utility_thread_delete Delete thread */
/* */
/* CALLED BY */
/* */
/* USBX Source Code */
/* */
/**************************************************************************/
UINT _ux_device_class_ccid_uninitialize(UX_SLAVE_CLASS_COMMAND *command)
{
UX_DEVICE_CLASS_CCID *ccid;
UX_SLAVE_CLASS *ccid_class;
#if !defined(UX_DEVICE_STANDALONE)
UX_DEVICE_CLASS_CCID_RUNNER *runner;
ULONG i;
#endif
/* Get the class container. */
ccid_class = command -> ux_slave_class_command_class_ptr;
/* Get the CCID instance. */
ccid = (UX_DEVICE_CLASS_CCID *)ccid_class -> ux_slave_class_instance;
/* Sanity check. */
if (ccid != UX_NULL)
{
/* Free allocated resources. */
#if !defined(UX_DEVICE_STANDALONE)
_ux_device_thread_delete(&ccid -> ux_device_class_ccid_notify_thread);
_ux_device_thread_delete(&ccid -> ux_device_class_ccid_thread);
for (i = 0;
i < ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_max_n_busy_slots;
i ++)
{
runner = &ccid -> ux_device_class_ccid_runners[i];
_ux_device_thread_delete(&runner -> ux_device_class_ccid_runner_thread);
}
_ux_device_event_flags_delete(&ccid -> ux_device_class_ccid_events);
_ux_device_mutex_delete(&ccid -> ux_device_class_ccid_mutex);
_ux_device_semaphore_delete(&ccid -> ux_device_class_ccid_notify_semaphore);
_ux_device_mutex_delete(&ccid -> ux_device_class_ccid_response_mutex);
#endif
#if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1
/* Free the bulk in endpoint memory. */
_ux_utility_memory_free(ccid -> ux_device_class_ccid_endpoint_buffer);
#endif
/* Free instance memory. */
_ux_utility_memory_free(ccid);
}
/* Return completion status. */
return(UX_SUCCESS);
}
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