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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_activate PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function activates the USB CCID device. */
/* */
/* INPUT */
/* */
/* command Pointer to ccid command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* USBX Device CCID */
/* */
/**************************************************************************/
UINT _ux_device_class_ccid_activate(UX_SLAVE_CLASS_COMMAND *command)
{
UX_SLAVE_INTERFACE *ccid_interface;
UX_SLAVE_CLASS *ccid_class;
UX_DEVICE_CLASS_CCID *ccid;
UX_SLAVE_ENDPOINT *endpoint;
ULONG endpoint_type;
#if !defined(UX_DEVICE_STANDALONE)
UINT i;
#endif
/* Get the class container. */
ccid_class = command -> ux_slave_class_command_class_ptr;
/* Get the class instance in the container. */
ccid = (UX_DEVICE_CLASS_CCID *) ccid_class -> ux_slave_class_instance;
/* Get the interface that owns this instance. */
ccid_interface = (UX_SLAVE_INTERFACE *) command -> ux_slave_class_command_interface;
/* Store the class instance into the interface. */
ccid_interface -> ux_slave_interface_class_instance = (VOID *)ccid;
/* Now the opposite, store the interface in the class instance. */
ccid -> ux_device_class_ccid_interface = ccid_interface;
/* Save endpoints. */
ccid -> ux_device_class_ccid_endpoint_notify = UX_NULL;
endpoint = ccid_interface -> ux_slave_interface_first_endpoint;
while(endpoint)
{
endpoint_type = endpoint -> ux_slave_endpoint_descriptor.bmAttributes;
endpoint_type &= UX_MASK_ENDPOINT_TYPE;
if (endpoint_type == UX_INTERRUPT_ENDPOINT)
{
ccid -> ux_device_class_ccid_endpoint_notify = endpoint;
#if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1
endpoint -> ux_slave_endpoint_transfer_request.
ux_slave_transfer_request_data_pointer =
UX_DEVICE_CLASS_CCID_INTERRUPTIN_BUFFER(ccid);
#endif
}
if (endpoint_type == UX_BULK_ENDPOINT)
{
if (endpoint -> ux_slave_endpoint_descriptor.bEndpointAddress & UX_ENDPOINT_IN)
{
ccid -> ux_device_class_ccid_endpoint_in = endpoint;
#if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1
endpoint -> ux_slave_endpoint_transfer_request.
ux_slave_transfer_request_data_pointer =
UX_DEVICE_CLASS_CCID_BULKIN_BUFFER(ccid);
#endif
}
else
{
ccid -> ux_device_class_ccid_endpoint_out = endpoint;
#if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1
endpoint -> ux_slave_endpoint_transfer_request.
ux_slave_transfer_request_data_pointer =
UX_DEVICE_CLASS_CCID_BULKOUT_BUFFER(ccid);
#endif
}
}
endpoint = endpoint -> ux_slave_endpoint_next_endpoint;
}
#if defined(UX_DEVICE_STANDALONE)
/* Initialize slots (optimized for 1 slot). */
ccid -> ux_device_class_ccid_slots -> ux_device_class_ccid_slot_runner = -1;
ccid -> ux_device_class_ccid_slots -> ux_device_class_ccid_slot_icc_status =
UX_DEVICE_CLASS_CCID_ICC_NOT_PRESENT;
/* Initialize task states. */
ccid -> ux_device_class_ccid_cmd_state = UX_DEVICE_CLASS_CCID_CMD_START;
ccid -> ux_device_class_ccid_rsp_state = UX_DEVICE_CLASS_CCID_RSP_IDLE;
ccid -> ux_device_class_ccid_notify_state = UX_DEVICE_CLASS_CCID_NOTIFY_IDLE;
/* Initialize runner task state (optimized for 1 slot). */
ccid -> ux_device_class_ccid_runners -> ux_device_class_ccid_runner_state = UX_DEVICE_CLASS_CCID_RUNNER_IDLE;
#else
/* Initialize slots. */
for (i = 0;
i < ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_max_n_slots;
i ++)
{
ccid -> ux_device_class_ccid_slots[i].ux_device_class_ccid_slot_runner = -1;
ccid -> ux_device_class_ccid_slots[i].ux_device_class_ccid_slot_icc_status =
UX_DEVICE_CLASS_CCID_ICC_NOT_PRESENT;
}
/* Activate thread for Bulk-OUT command messages. */
_ux_device_thread_resume(&ccid -> ux_device_class_ccid_thread);
/* Activate thread for Interrupt-IN notification messages. */
_ux_device_thread_resume(&ccid -> ux_device_class_ccid_notify_thread);
/* Activate threads for runners. */
for (i = 0;
i < ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_max_n_busy_slots;
i ++)
{
_ux_device_thread_resume(&ccid -> ux_device_class_ccid_runners[i].
ux_device_class_ccid_runner_thread);
}
#endif
/* If there is a activate function call it. */
if (ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_instance_activate != UX_NULL)
{
/* Invoke the application callback. */
ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_instance_activate(ccid);
}
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_CCID_ACTIVATE, ccid, 0, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
/* If trace is enabled, register this object. */
UX_TRACE_OBJECT_REGISTER(UX_TRACE_DEVICE_OBJECT_TYPE_INTERFACE, ccid, 0, 0, 0)
/* Return completion status. */
return(UX_SUCCESS);
}
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