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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_hardware_error PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function indicates hardware error of the USB CCID device. */
/* */
/* INPUT */
/* */
/* ccid Pointer to ccid instance */
/* slot Slot inserted */
/* error Error code */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/**************************************************************************/
UINT _ux_device_class_ccid_hardware_error(UX_DEVICE_CLASS_CCID *ccid, ULONG slot, ULONG error)
{
UX_DEVICE_CLASS_CCID_SLOT *ccid_slot;
UX_DEVICE_CLASS_CCID_RUNNER *runner;
UX_DEVICE_CLASS_CCID_RDR_TO_PC_SLOT_STATUS_HEADER *rsp;
/* Sanity check. */
if (slot >= ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_max_n_slots)
return(UX_INVALID_PARAMETER);
/* Get slot instance. */
ccid_slot = ccid -> ux_device_class_ccid_slots;
ccid_slot += slot;
/* Lock states. */
_ux_device_class_ccid_lock(ccid);
/* Check error. */
if (!(ccid_slot -> ux_device_class_ccid_slot_flags & UX_DEVICE_CLASS_CCID_FLAG_HW_ERROR))
{
/* Save error and error code. */
ccid_slot -> ux_device_class_ccid_slot_flags |= UX_DEVICE_CLASS_CCID_FLAG_HW_ERROR;
ccid_slot -> ux_device_class_ccid_slot_hw_error = (UCHAR)error;
ccid_slot -> ux_device_class_ccid_slot_hw_error_seq = 0;
/* Slot deactivated. */
ccid_slot -> ux_device_class_ccid_slot_icc_status = UX_DEVICE_CLASS_CCID_ICC_INACTIVE;
/* Check if command is pending, update response buffer. */
if ((signed char)ccid_slot -> ux_device_class_ccid_slot_runner >= 0)
{
/* Get running things. */
runner = ccid -> ux_device_class_ccid_runners;
runner += ccid_slot -> ux_device_class_ccid_slot_runner;
rsp = (UX_DEVICE_CLASS_CCID_RDR_TO_PC_SLOT_STATUS_HEADER *)
runner -> ux_device_class_ccid_runner_response;
/* Response: (1,1,HW_ERROR). */
rsp -> bStatus = UX_DEVICE_CLASS_CCID_SLOT_STATUS(1, 1);
rsp -> bError = UX_DEVICE_CLASS_CCID_HW_ERROR;
}
}
/* Notify if interrupt endpoint exists. */
if (ccid -> ux_device_class_ccid_endpoint_notify)
{
ccid_slot -> ux_device_class_ccid_slot_flags |= UX_DEVICE_CLASS_CCID_FLAG_NOTIFY_CHANGE;
/* Unlock states. */
_ux_device_class_ccid_unlock(ccid);
/* Wakeup interrupt notification. */
_ux_device_semaphore_put(&ccid -> ux_device_class_ccid_notify_semaphore);
#if defined(UX_DEVICE_STANDALONE)
if (ccid -> ux_device_class_ccid_notify_state == UX_DEVICE_CLASS_CCID_NOTIFY_IDLE)
ccid -> ux_device_class_ccid_notify_state = UX_DEVICE_CLASS_CCID_NOTIFY_LOCK;
#endif
return(UX_SUCCESS);
}
/* Unlock states. */
_ux_device_class_ccid_unlock(ccid);
/* Return transfer status. */
return(UX_SUCCESS);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _uxe_device_class_ccid_hardware_error PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Yajun Xia, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks errors in CCID card hardware error function. */
/* */
/* INPUT */
/* */
/* ccid Pointer to ccid instance */
/* slot Slot removed */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_device_class_ccid_hardware_error CCID card hardware error */
/* function. */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/**************************************************************************/
UINT _uxe_device_class_ccid_hardware_error(UX_DEVICE_CLASS_CCID *ccid, ULONG slot, ULONG error)
{
/* Sanity check. */
if (ccid == UX_NULL)
return(UX_INVALID_PARAMETER);
return(_ux_device_class_ccid_hardware_error(ccid, slot, error));
}
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