common/core/src/ux_device_stack_microsoft_extension_register.c


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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 Stack                                                        */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define UX_SOURCE_CODE


/* Include necessary system files.  */

#include "ux_api.h"
#include "ux_device_stack.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _ux_device_stack_microsoft_extension_register       PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function registers the Microsoft extensions to support vendor  */
/*    commands before the device is configured.                           */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    vendor_command                        Vendor Command.               */
/*    application_callback                  Application Callback          */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application                                                         */
/*                                                                        */
/**************************************************************************/
UINT  _ux_device_stack_microsoft_extension_register(ULONG vendor_request,
                                  UINT (*vendor_request_function)(ULONG, ULONG, ULONG, ULONG, UCHAR *, ULONG *))
{


    /* If trace is enabled, insert this event into the trace buffer.  */
    UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_STACK_MICROSOFT_EXTENSION_REGISTER, 0, 0, 0, 0, UX_TRACE_DEVICE_STACK_EVENTS, 0, 0)

    /* Store the vendor command.  */
    _ux_system_slave -> ux_system_slave_device_vendor_request           = vendor_request;
    _ux_system_slave -> ux_system_slave_device_vendor_request_function  = vendor_request_function;

    /* Return successful completion.  */
    return(UX_SUCCESS);
}