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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"
#if defined(UX_DEVICE_STANDALONE)
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_stack_tasks_run PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function runs device stack and registered classes tasks. */
/* */
/* It's for standalone mode. */
/* */
/* INPUT */
/* */
/* */
/* OUTPUT */
/* */
/* UX_STATE_RESET Tasks suspended */
/* UX_STATE_IDLE Activated but no task ran */
/* (others > UX_STATE_IDLE) Tasks running */
/* */
/* CALLS */
/* */
/* (ux_slave_dcd_function) run DCD function */
/* (ux_slave_class_task_function) run Class tasks function */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/**************************************************************************/
UINT _ux_device_stack_tasks_run(VOID)
{
UX_SLAVE_DCD *dcd;
UX_SLAVE_CLASS *class_instance;
ULONG class_index;
UINT status;
status = UX_STATE_RESET;
/* Run all DCD tasks (pending ISR handle). */
dcd = &_ux_system_slave -> ux_system_slave_dcd;
dcd -> ux_slave_dcd_function(dcd, UX_DCD_TASKS_RUN, UX_NULL);
/* Run all Class instance tasks. */
class_instance = _ux_system_slave -> ux_system_slave_class_array;
for (class_index = 0; class_index < UX_SYSTEM_DEVICE_MAX_CLASS_GET(); class_index++)
{
/* Skip classes not used. */
if (class_instance -> ux_slave_class_status == UX_UNUSED)
continue;
/* Skip classes has no task function. */
if (class_instance -> ux_slave_class_task_function == UX_NULL)
continue;
/* Invoke task function. */
status |= class_instance -> ux_slave_class_task_function(class_instance -> ux_slave_class_instance);
/* Move to the next class. */
class_instance ++;
}
/* Return overall status. */
return(status);
}
#endif
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