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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. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** FileX Component */
/** */
/** System */
/** */
/**************************************************************************/
/**************************************************************************/
#define FX_SOURCE_CODE
/* Locate FileX control component data in this file. */
#define FX_SYSTEM_INIT
/* Include necessary system files. */
#include "fx_api.h"
#include "fx_system.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _fx_system_initialize PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function initializes the various control data structures for */
/* the FileX System component. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* tx_timer_create Create system timer */
/* */
/* CALLED BY */
/* */
/* Application Initialization */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 William E. Lamie Modified comment(s), and */
/* added conditional to */
/* disable build options, */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
VOID _fx_system_initialize(VOID)
{
/* If trace is enabled, insert this event into the trace buffer. */
FX_TRACE_IN_LINE_INSERT(FX_TRACE_SYSTEM_INITIALIZE, 0, 0, 0, 0, FX_TRACE_INTERNAL_EVENTS, 0, 0)
/* Initialize the head pointer of the opened media list and the
number of opened media. */
_fx_system_media_opened_ptr = FX_NULL;
_fx_system_media_opened_count = 0;
/* Initialize the time and date fields with their default values. */
_fx_system_date = FX_INITIAL_DATE;
_fx_system_time = FX_INITIAL_TIME;
/* Initialize the sector and FAT cache sizes. */
_fx_system_media_max_sector_cache = FX_MAX_SECTOR_CACHE;
_fx_system_media_max_fat_cache = FX_MAX_FAT_CACHE;
/* Create the FileX system timer. This is responsible for updating
the specified date and time at the rate specified by
FX_UPDATE_RATE_IN_TICKS. Note that the timer is not necessary for
regular FileX operation - it is only needed for accurate system
date and time stamps on files. */
#ifndef FX_NO_TIMER
tx_timer_create(&_fx_system_timer, "FileX System Timer", _fx_system_timer_entry, FX_TIMER_ID,
FX_UPDATE_RATE_IN_TICKS, FX_UPDATE_RATE_IN_TICKS, TX_AUTO_ACTIVATE);
#endif
#ifndef FX_DISABLE_BUILD_OPTIONS
/* Setup the build options variables. */
/* Setup the first build options variable. */
if (FX_MAX_LONG_NAME_LEN > 0xFF)
{
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)0xFF) << 24);
}
else
{
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)(FX_MAX_LONG_NAME_LEN & 0xFF)) << 24);
}
if (FX_MAX_LAST_NAME_LEN > 0xFF)
{
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)0xFF) << 16);
}
else
{
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)(FX_MAX_LAST_NAME_LEN & 0xFF)) << 24);
}
#ifdef FX_NO_TIMER
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 10);
#endif
#ifdef FX_SINGLE_THREAD
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 9);
#endif
#ifdef FX_DONT_UPDATE_OPEN_FILES
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 8);
#endif
#ifdef FX_MEDIA_DISABLE_SEARCH_CACHE
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 7);
#endif
#ifdef FX_MEDIA_STATISTICS_DISABLE
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 6);
#endif
#ifdef FX_SINGLE_OPEN_LEGACY
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 4);
#endif
#ifdef FX_RENAME_PATH_INHERIT
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 3);
#endif
#ifdef FX_NO_LOCAL_PATH
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 2);
#endif
#ifdef FX_FAULT_TOLERANT_DATA
_fx_system_build_options_1 = _fx_system_build_options_1 | (((ULONG)1) << 1);
#endif
#ifdef FX_FAULT_TOLERANT
_fx_system_build_options_1 = _fx_system_build_options_1 | ((ULONG)1);
#endif
/* Setup the second build options variable. */
if (FX_MAX_SECTOR_CACHE > ((ULONG)0xFFFF))
{
_fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)0xFFFF) << 16);
}
else
{
_fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)FX_MAX_SECTOR_CACHE) << 16);
}
if (FX_FAT_MAP_SIZE > 0xFF)
{
_fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)0xFF) << 8);
}
else
{
_fx_system_build_options_2 = _fx_system_build_options_2 | (((ULONG)FX_FAT_MAP_SIZE) << 8);
}
if (FX_MAX_FAT_CACHE > 0xFF)
{
_fx_system_build_options_2 = _fx_system_build_options_2 | ((ULONG)0xFF);
}
else
{
_fx_system_build_options_2 = _fx_system_build_options_2 | ((ULONG)FX_MAX_FAT_CACHE);
}
/* Setup the third build options variable. */
if (FX_UPDATE_RATE_IN_SECONDS > 0xFF)
{
_fx_system_build_options_3 = _fx_system_build_options_3 | (((ULONG)0xFF) << 16);
}
else
{
_fx_system_build_options_3 = _fx_system_build_options_3 | (((ULONG)FX_UPDATE_RATE_IN_SECONDS) << 16);
}
if (FX_UPDATE_RATE_IN_TICKS > ((ULONG)0xFFFF))
{
_fx_system_build_options_3 = _fx_system_build_options_3 | ((ULONG)0xFFFF);
}
else
{
_fx_system_build_options_3 = _fx_system_build_options_3 | ((ULONG)FX_UPDATE_RATE_IN_TICKS);
}
#endif /* FX_DISABLE_BUILD_OPTIONS */
}