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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 Class */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_host_class_hid.h"
#include "ux_host_stack.h"
#if defined(UX_HOST_STANDALONE)
static inline VOID _ux_host_class_hid_inst_tasks_run(UX_HOST_CLASS_HID *hid);
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_host_class_hid_tasks_run PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function runs HID background tasks. */
/* */
/* This function is for standalone mode. */
/* */
/* INPUT */
/* */
/* hid Pointer to hid instance */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* (ux_host_class_hid_client_function) Client task function */
/* */
/* CALLED BY */
/* */
/* USBX Host Stack */
/* */
/**************************************************************************/
UINT _ux_host_class_hid_tasks_run(UX_HOST_CLASS *hid_class)
{
UX_HOST_CLASS_HID *hid;
/* Validate class entry. */
if (hid_class -> ux_host_class_status != UX_USED ||
hid_class -> ux_host_class_entry_function != _ux_host_class_hid_entry)
return(UX_STATE_IDLE);
/* Run for class instances. */
hid = (UX_HOST_CLASS_HID *)hid_class -> ux_host_class_first_instance;
while(hid)
{
/* Run tasks for each hid instance. */
if ((hid -> ux_host_class_hid_flags & UX_HOST_CLASS_HID_FLAG_PROTECT) == 0)
{
hid -> ux_host_class_hid_flags |= UX_HOST_CLASS_HID_FLAG_PROTECT;
_ux_host_class_hid_inst_tasks_run(hid);
hid -> ux_host_class_hid_flags &= ~UX_HOST_CLASS_HID_FLAG_PROTECT;
}
hid = hid -> ux_host_class_hid_next_instance;
}
return(UX_STATE_WAIT);
}
static inline VOID _ux_host_class_hid_inst_tasks_run(UX_HOST_CLASS_HID *hid)
{
UX_HOST_CLASS_HID_CLIENT *client = hid -> ux_host_class_hid_client;
if (client && client -> ux_host_class_hid_client_function)
{
client -> ux_host_class_hid_client_function(client);
}
}
#endif
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