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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 */
/** */
/** PIMA Class */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_host_class_pima.h"
#include "ux_host_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_host_class_pima_device_reset PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function resets the device. */
/* INPUT */
/* */
/* pima Pointer to pima class */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_host_stack_transfer_request Transfer request */
/* */
/* CALLED BY */
/* */
/* USB application */
/* */
/**************************************************************************/
UINT _ux_host_class_pima_device_reset(UX_HOST_CLASS_PIMA *pima)
{
UX_TRANSFER *transfer_request;
UX_ENDPOINT *control_endpoint;
UINT status;
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_CLASS_PIMA_DEVICE_RESET, pima, 0, 0, 0, UX_TRACE_HOST_CLASS_EVENTS, 0, 0)
/* We need to get the default control endpoint transfer request pointer. */
control_endpoint = &pima -> ux_host_class_pima_device -> ux_device_control_endpoint;
transfer_request = &control_endpoint -> ux_endpoint_transfer_request;
/* Create a transfer_request for the CANCEL request. */
transfer_request -> ux_transfer_request_data_pointer = UX_NULL;
transfer_request -> ux_transfer_request_requested_length = 0;
transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_PIMA_REQUEST_RESET_DEVICE;
transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE;
transfer_request -> ux_transfer_request_value = 0;
transfer_request -> ux_transfer_request_index = 0;
/* Send request to HCD layer. */
status = _ux_host_stack_transfer_request(transfer_request);
/* Reset the session pointer if it was opened. A device reset closes the session. */
pima -> ux_host_class_pima_session = UX_NULL;
/* Return completion status. */
return(status);
}
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