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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_function PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function dispatches the DCD function internally to the */
/* slave simulator controller. */
/* */
/* INPUT */
/* */
/* dcd Pointer to device controller */
/* function Function requested */
/* parameter Pointer to parameter structure*/
/* */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_dcd_sim_slave_address_set Set address */
/* _ux_dcd_sim_slave_endpoint_create Create endpoint */
/* _ux_dcd_sim_slave_endpoint_destroy Destroy endpoint */
/* _ux_dcd_sim_slave_endpoint_reset Reset endpoint */
/* _ux_dcd_sim_slave_endpoint_stall Stall endpoint */
/* _ux_dcd_sim_slave_endpoint_status Get endpoint status */
/* _ux_dcd_sim_slave_frame_number_get Get frame number */
/* _ux_dcd_sim_slave_state_change Change state */
/* _ux_dcd_sim_slave_transfer_abort Abort transfer */
/* _ux_dcd_sim_slave_transfer_request Request transfer */
/* */
/* CALLED BY */
/* */
/* USBX Device Stack */
/* */
/**************************************************************************/
UINT _ux_dcd_sim_slave_function(UX_SLAVE_DCD *dcd, UINT function, VOID *parameter)
{
UINT status;
UX_DCD_SIM_SLAVE *dcd_sim_slave;
/* Check the status of the controller. */
if (dcd -> ux_slave_dcd_status == UX_UNUSED)
{
/* Error trap. */
_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_DCD, UX_CONTROLLER_UNKNOWN);
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_CONTROLLER_UNKNOWN, 0, 0, 0, UX_TRACE_ERRORS, 0, 0)
return(UX_CONTROLLER_UNKNOWN);
}
/* Get the pointer to the Slave simulation DCD. */
dcd_sim_slave = (UX_DCD_SIM_SLAVE *) dcd -> ux_slave_dcd_controller_hardware;
/* Look at the function and route it. */
switch(function)
{
case UX_DCD_GET_FRAME_NUMBER:
status = _ux_dcd_sim_slave_frame_number_get(dcd_sim_slave, (ULONG *) parameter);
break;
#if defined(UX_DEVICE_STANDALONE)
case UX_DCD_TRANSFER_RUN:
status = _ux_dcd_sim_slave_transfer_run(dcd_sim_slave, (UX_SLAVE_TRANSFER *) parameter);
break;
#else
case UX_DCD_TRANSFER_REQUEST:
status = _ux_dcd_sim_slave_transfer_request(dcd_sim_slave, (UX_SLAVE_TRANSFER *) parameter);
break;
#endif
case UX_DCD_TRANSFER_ABORT:
status = _ux_dcd_sim_slave_transfer_abort(dcd_sim_slave, (UX_SLAVE_TRANSFER *) parameter);
break;
case UX_DCD_CREATE_ENDPOINT:
status = _ux_dcd_sim_slave_endpoint_create(dcd_sim_slave, parameter);
break;
case UX_DCD_DESTROY_ENDPOINT:
status = _ux_dcd_sim_slave_endpoint_destroy(dcd_sim_slave, parameter);
break;
case UX_DCD_RESET_ENDPOINT:
status = _ux_dcd_sim_slave_endpoint_reset(dcd_sim_slave, parameter);
break;
case UX_DCD_STALL_ENDPOINT:
status = _ux_dcd_sim_slave_endpoint_stall(dcd_sim_slave, parameter);
break;
case UX_DCD_SET_DEVICE_ADDRESS:
status = _ux_dcd_sim_slave_address_set(dcd_sim_slave, (ULONG) (ALIGN_TYPE) parameter);
break;
case UX_DCD_CHANGE_STATE:
status = _ux_dcd_sim_slave_state_change(dcd_sim_slave, (ULONG) (ALIGN_TYPE) parameter);
break;
case UX_DCD_ENDPOINT_STATUS:
status = _ux_dcd_sim_slave_endpoint_status(dcd_sim_slave, (ULONG) (ALIGN_TYPE) parameter);
break;
case UX_DCD_ISR_PENDING:
status = UX_SUCCESS;
break;
default:
/* Error trap. */
_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_DCD, UX_FUNCTION_NOT_SUPPORTED);
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_FUNCTION_NOT_SUPPORTED, 0, 0, 0, UX_TRACE_ERRORS, 0, 0)
status = UX_FUNCTION_NOT_SUPPORTED;
}
/* Return completion status. */
return(status);
}
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