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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 */
/** */
/** Host Simulator Controller Driver */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_hcd_sim_host.h"
#if !defined(UX_HOST_STANDALONE)
#include "tx_timer.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_hcd_sim_host_timer_function PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is the timer function of the simulator. It is */
/* invoked on a timer every tick. */
/* */
/* It's for RTOS mode. */
/* */
/* INPUT */
/* */
/* hcd_sim_host_addr Address of host controller */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _ux_utility_semaphore_put Put semaphore */
/* */
/* CALLED BY */
/* */
/* ThreadX */
/* */
/**************************************************************************/
VOID _ux_hcd_sim_host_timer_function(ULONG hcd_sim_host_addr)
{
UX_HCD_SIM_HOST *hcd_sim_host;
UX_HCD *hcd;
/* Setup pointer to simulator host structure. */
UX_TIMER_EXTENSION_PTR_GET(hcd_sim_host, UX_HCD_SIM_HOST, hcd_sim_host_addr)
/* Get the pointers to the generic HCD areas. */
hcd = hcd_sim_host -> ux_hcd_sim_host_hcd_owner;
/* Increase the interrupt count. This indicates the controller is still alive. */
hcd_sim_host -> ux_hcd_sim_host_interrupt_count++;
/* Check if the controller is operational, if not, skip it. */
if (hcd -> ux_hcd_status == UX_HCD_STATUS_OPERATIONAL)
{
/* Wake up the thread for the controller transaction processing. */
hcd -> ux_hcd_thread_signal++;
_ux_host_semaphore_put(&_ux_system_host -> ux_system_host_hcd_semaphore);
}
}
#endif
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