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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 */
/** */
/** Slave Simulator Controller Driver */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_dcd_sim_slave.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_dcd_sim_slave_endpoint_status PORTABLE C */
/* 6.1.6 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function will return the status of the endpoint. */
/* */
/* INPUT */
/* */
/* dcd_sim_slave Pointer to device controller */
/* endpoint_index Endpoint index */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Slave Simulator Controller Driver */
/* */
/**************************************************************************/
UINT _ux_dcd_sim_slave_endpoint_status(UX_DCD_SIM_SLAVE *dcd_sim_slave, ULONG endpoint_index)
{
UX_DCD_SIM_SLAVE_ED *ed;
#ifdef UX_DEVICE_BIDIRECTIONAL_ENDPOINT_SUPPORT
ULONG ed_addr = endpoint_index; /* Passed value as endpoint address. */
ULONG ed_dir = ed_addr & UX_ENDPOINT_DIRECTION;
ULONG ed_index = ed_addr & ~UX_ENDPOINT_DIRECTION;
/* Fetch the address of the physical endpoint. */
ed = ((ed_addr == 0) ? &dcd_sim_slave -> ux_dcd_sim_slave_ed[0] :
((ed_dir) ? &dcd_sim_slave -> ux_dcd_sim_slave_ed_in[ed_index] :
&dcd_sim_slave -> ux_dcd_sim_slave_ed[ed_index]));
#else
/* Fetch the address of the physical endpoint. */
ed = &dcd_sim_slave -> ux_dcd_sim_slave_ed[endpoint_index];
#endif
/* Check the endpoint status, if it is free, we have a illegal endpoint. */
if ((ed -> ux_sim_slave_ed_status & UX_DCD_SIM_SLAVE_ED_STATUS_USED) == 0)
return(UX_ERROR);
/* Check if the endpoint is stalled. */
if ((ed -> ux_sim_slave_ed_status & UX_DCD_SIM_SLAVE_ED_STATUS_STALLED) == 0)
return(UX_FALSE);
else
return(UX_TRUE);
}
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