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path: root/common/usbx_host_classes/src/ux_host_class_hid_remote_control_deactivate.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                                                        */
/**                                                                       */
/**   HID Remote Control Class                                            */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/


/* Include necessary system files.  */

#define UX_SOURCE_CODE

#include "ux_api.h"
#include "ux_host_class_hid.h"
#include "ux_host_class_hid_remote_control.h"
#include "ux_host_stack.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _ux_host_class_hid_remote_control_deactivate        PORTABLE C      */
/*                                                           6.3.0        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function performs the deactivation of a HID Remote Control     */
/*    class instance.                                                     */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    command                               Pointer to command            */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _ux_host_class_hid_periodic_report_stop Stop periodic report        */
/*    _ux_utility_memory_free               Release memory block          */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    HID Remote Control Class                                            */
/*                                                                        */
/**************************************************************************/
UINT  _ux_host_class_hid_remote_control_deactivate(UX_HOST_CLASS_HID_CLIENT_COMMAND *command)
{

UX_HOST_CLASS_HID                   *hid;
UX_HOST_CLASS_HID_CLIENT            *hid_client;
UX_HOST_CLASS_HID_REMOTE_CONTROL    *remote_control_instance;
UINT                                status;


    /* Get the instance to the HID class.  */
    hid =  command -> ux_host_class_hid_client_command_instance;

    /* Stop the periodic report.  */
    status =  _ux_host_class_hid_periodic_report_stop(hid);

    /* Get the HID client pointer.  */
    hid_client =  hid -> ux_host_class_hid_client;

    /* Get the remote control local instance.  */
    remote_control_instance =  (UX_HOST_CLASS_HID_REMOTE_CONTROL *) hid_client -> ux_host_class_hid_client_local_instance;

    /* If trace is enabled, insert this event into the trace buffer.  */
    UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_CLASS_HID_REMOTE_CONTROL_DEACTIVATE, hid, remote_control_instance, 0, 0, UX_TRACE_HOST_CLASS_EVENTS, 0, 0)

    /* We may need to inform the application
       if a function has been programmed in the system structure.  */
    if (_ux_system_host -> ux_system_host_change_function != UX_NULL)
    {

        /* Call system change function.  */
        _ux_system_host ->  ux_system_host_change_function(UX_HID_CLIENT_REMOVAL, hid -> ux_host_class_hid_class, (VOID *) hid_client);
    }

    /* Unload all the memory used by the remote control client.  */
    _ux_utility_memory_free(remote_control_instance -> ux_host_class_hid_remote_control_usage_array);

    /* Now free the instance memory.  */
    _ux_utility_memory_free(hid_client -> ux_host_class_hid_client_local_instance);

    /* Signal to _ux_host_class_hid_deactivate that the client memory has been freed.  */
    hid -> ux_host_class_hid_client = UX_NULL;

    /* Return completion status.  */
    return(status);
}