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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 */
/** */
/** Device Data Pump Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_dpump.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_dpump_initialize PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function initializes the USB dpump device. */
/* */
/* INPUT */
/* */
/* command Pointer to dpump command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_memory_allocate Allocate memory */
/* */
/* CALLED BY */
/* */
/* Device Data Pump Class */
/* */
/**************************************************************************/
UINT _ux_device_class_dpump_initialize(UX_SLAVE_CLASS_COMMAND *command)
{
UX_SLAVE_CLASS_DPUMP *dpump;
UX_SLAVE_CLASS *class_ptr;
UX_SLAVE_CLASS_DPUMP_PARAMETER *dpump_parameter;
/* Get the class container. */
class_ptr = command -> ux_slave_class_command_class_ptr;
/* Create an instance of the device dpump class. */
dpump = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, sizeof(UX_SLAVE_CLASS_DPUMP));
/* Check for successful allocation. */
if (dpump == UX_NULL)
return(UX_MEMORY_INSUFFICIENT);
/* Save the address of the DPUMP instance inside the DPUMP container. */
class_ptr -> ux_slave_class_instance = (VOID *) dpump;
#if UX_DEVICE_ENDPOINT_BUFFER_OWNER == 1
UX_ASSERT(!UX_DEVICE_CLASS_DPUMP_ENDPOINT_BUFFER_SIZE_CALC_OVERFLOW);
dpump -> ux_device_class_dpump_endpoint_buffer = _ux_utility_memory_allocate(
UX_NO_ALIGN, UX_CACHE_SAFE_MEMORY,
UX_DEVICE_CLASS_DPUMP_ENDPOINT_BUFFER_SIZE);
if (dpump -> ux_device_class_dpump_endpoint_buffer == UX_NULL)
{
_ux_utility_memory_free(dpump);
return(UX_MEMORY_INSUFFICIENT);
}
#endif
/* Get the pointer to the application parameters for the cdc class. */
dpump_parameter = command -> ux_slave_class_command_parameter;
/* Store the start and stop signals if needed by the application. */
dpump -> ux_slave_class_dpump_parameter.ux_slave_class_dpump_instance_activate = dpump_parameter -> ux_slave_class_dpump_instance_activate;
dpump -> ux_slave_class_dpump_parameter.ux_slave_class_dpump_instance_deactivate = dpump_parameter -> ux_slave_class_dpump_instance_deactivate;
/* Return completion status. */
return(UX_SUCCESS);
}
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