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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_reset PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function will reset a physical endpoint. */
/* */
/* INPUT */
/* */
/* dcd_sim_slave Pointer to device controller */
/* endpoint Pointer to endpoint container */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Slave Simulator Controller Driver */
/* */
/**************************************************************************/
UINT _ux_dcd_sim_slave_endpoint_reset(UX_DCD_SIM_SLAVE *dcd_sim_slave, UX_SLAVE_ENDPOINT *endpoint)
{
UX_DCD_SIM_SLAVE_ED *ed;
ULONG transfer_waiting;
#if !defined(UX_DEVICE_STANDALONE)
UX_SLAVE_TRANSFER *transfer;
#endif
UX_PARAMETER_NOT_USED(dcd_sim_slave);
/* Get the physical endpoint address in the endpoint container. */
ed = (UX_DCD_SIM_SLAVE_ED *) endpoint -> ux_slave_endpoint_ed;
#if defined(UX_DEVICE_STANDALONE)
/* Transfer pending always considered. */
transfer_waiting = UX_DCD_SIM_SLAVE_ED_STATUS_TRANSFER;
#else
/* Save waiting status for non-zero endpoints. */
if (ed -> ux_sim_slave_ed_index)
{
transfer_waiting = ed -> ux_sim_slave_ed_status;
transfer_waiting &= UX_DCD_SIM_SLAVE_ED_STATUS_TRANSFER;
}
else
transfer_waiting = 0;
#endif
/* Clear pending transfer and stall status. */
ed -> ux_sim_slave_ed_status &= ~(ULONG)(transfer_waiting |
UX_DCD_SIM_SLAVE_ED_STATUS_STALLED |
UX_DCD_SIM_SLAVE_ED_STATUS_DONE);
#if !defined(UX_DEVICE_STANDALONE)
/* If some thread is pending, signal wakeup. */
if (transfer_waiting)
{
transfer = &endpoint -> ux_slave_endpoint_transfer_request;
transfer -> ux_slave_transfer_request_completion_code = UX_TRANSFER_BUS_RESET;
_ux_device_semaphore_put(&transfer -> ux_slave_transfer_request_semaphore);
}
#endif
/* This function never fails. */
return(UX_SUCCESS);
}
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