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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_num_objects_get PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function returns the number of objects for a specific storage. */
/* */
/* INPUT */
/* */
/* pima Pointer to pima class */
/* pima_session Pointer to pima session */
/* storage_id The storage ID */
/* object_format_code The object format code */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_host_class_pima_command Pima command function */
/* */
/* CALLED BY */
/* */
/* USB application */
/* */
/**************************************************************************/
UINT _ux_host_class_pima_num_objects_get(UX_HOST_CLASS_PIMA *pima,
UX_HOST_CLASS_PIMA_SESSION *pima_session,
ULONG storage_id,
ULONG object_format_code)
{
UX_HOST_CLASS_PIMA_COMMAND command;
UINT status;
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_CLASS_PIMA_NUM_OBJECTS_GET, pima, 0, 0, 0, UX_TRACE_HOST_CLASS_EVENTS, 0, 0)
/* Check if this session is valid or not. */
if (pima_session -> ux_host_class_pima_session_magic != UX_HOST_CLASS_PIMA_MAGIC_NUMBER)
return (UX_HOST_CLASS_PIMA_RC_SESSION_NOT_OPEN);
/* Check if this session is opened or not. */
if (pima_session -> ux_host_class_pima_session_state != UX_HOST_CLASS_PIMA_SESSION_STATE_OPENED)
return (UX_HOST_CLASS_PIMA_RC_SESSION_NOT_OPEN);
/* Issue command to get the storage IDs. 2 parameter. */
command.ux_host_class_pima_command_nb_parameters = 2;
/* Parameter 1 is the Storage ID. */
command.ux_host_class_pima_command_parameter_1 = storage_id;
/* Parameter 2 is the Object Format Code. */
command.ux_host_class_pima_command_parameter_2 = object_format_code;
/* Other parameters unused. */
command.ux_host_class_pima_command_parameter_3 = 0;
command.ux_host_class_pima_command_parameter_4 = 0;
command.ux_host_class_pima_command_parameter_5 = 0;
/* Then set the command to GET_NUM_OBJETCS. */
command.ux_host_class_pima_command_operation_code = UX_HOST_CLASS_PIMA_OC_GET_NUM_OBJECTS;
/* Issue the command. */
status = _ux_host_class_pima_command(pima, &command, 0 , UX_NULL, 0, 0);
/* Check the result. If the result is OK, the parameter1 has the number of objects. */
if (status == UX_SUCCESS)
/* Store the number of objects into the current pima session. */
pima_session -> ux_host_class_pima_session_nb_objects = command.ux_host_class_pima_command_parameter_1;
/* Return completion status. */
return(status);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _uxe_host_class_pima_num_objects_get PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Yajun Xia, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks errors in pima object number get function */
/* call. */
/* */
/* INPUT */
/* */
/* pima Pointer to pima class */
/* pima_session Pointer to pima session */
/* storage_id The storage ID */
/* object_format_code The object format code */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_host_class_pima_num_objects_get Get pima object number */
/* */
/* CALLED BY */
/* */
/* USB application */
/* */
/**************************************************************************/
UINT _uxe_host_class_pima_num_objects_get(UX_HOST_CLASS_PIMA *pima,
UX_HOST_CLASS_PIMA_SESSION *pima_session,
ULONG storage_id,
ULONG object_format_code)
{
/* Sanity checks. */
if ((pima == UX_NULL) || (pima_session == UX_NULL))
return(UX_INVALID_PARAMETER);
/* Call the actual pima num objects get function. */
return(_ux_host_class_pima_num_objects_get(pima, pima_session, storage_id, object_format_code));
}
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