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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** Device Stack */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_stack_configuration_get PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function gets the current configuration for the device. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_device_stack_transfer_request Transfer request */
/* */
/* CALLED BY */
/* */
/* Application */
/* Device Stack */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _ux_device_stack_configuration_get(VOID)
{
UX_SLAVE_TRANSFER *transfer_request;
UX_SLAVE_DEVICE *device;
UX_SLAVE_ENDPOINT *endpoint;
UINT status;
/* Get the pointer to the device. */
device = &_ux_system_slave -> ux_system_slave_device;
/* Get the control endpoint for the device. */
endpoint = &device -> ux_slave_device_control_endpoint;
/* Get the pointer to the transfer request associated with the endpoint. */
transfer_request = &endpoint -> ux_slave_endpoint_transfer_request;
/* Set the value of the configuration in the buffer. */
*transfer_request -> ux_slave_transfer_request_data_pointer =
(UCHAR) device -> ux_slave_device_configuration_selected;
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_STACK_CONFIGURATION_GET, device -> ux_slave_device_configuration_selected, 0, 0, 0, UX_TRACE_DEVICE_STACK_EVENTS, 0, 0)
/* Set the phase of the transfer to data out. */
transfer_request -> ux_slave_transfer_request_phase = UX_TRANSFER_PHASE_DATA_OUT;
/* Send the descriptor with the appropriate length to the host. */
status = _ux_device_stack_transfer_request(transfer_request, 1, 1);
/* Return the function status. */
return(status);
}