filex
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Outline
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#define FX_SOURCE_CODE
#include "fx_api.h"
#include "fx_system.h"
#include "fx_media.h"
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_fx_media_space_available(FX_MEDIA *, ULONG *)
Files
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SourceVuSTM32 Libraries and Samplesfilexcommon/src/fx_media_space_available.c
 
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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 */ /** */ /** Media */ /** */... /**************************************************************************/ /**************************************************************************/ #define FX_SOURCE_CODE /* Include necessary system files. */ #include "fx_api.h" #include "fx_system.h" #include "fx_media.h" ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _fx_media_space_available PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* William E. Lamie, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function returns the number of bytes available in the */ /* specified media. */ /* */ /* INPUT */ /* */ /* media_ptr Media control block pointer */ /* available_bytes_ptr Pointer to available bytes */ /* destination */ /* */ /* OUTPUT */ /* */ /* return status */ /* */ /* CALLS */ /* */ /* None */ /* */ /* _fx_media_extended_space_available Actual space available service*/ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 William E. Lamie Initial Version 6.0 */ /* 09-30-2020 William E. Lamie Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ UINT _fx_media_space_available(FX_MEDIA *media_ptr, ULONG *available_bytes_ptr) { UINT status; ULONG64 available_bytes; /* Call actual media space available service. */ status = _fx_media_extended_space_available(media_ptr, &available_bytes); /* Check status. */ if (status == FX_SUCCESS) { /* Determine if more than 4GB available. */ if (available_bytes > 0x00000000FFFFFFFF) { /* Yes, we must have more than 4GB available... report the maximum we can fit in 32bits, which is 4GB. *//* ... */ *available_bytes_ptr = 0xFFFFFFFF; }if (available_bytes > 0x00000000FFFFFFFF) { ... } else { *available_bytes_ptr = (ULONG)(available_bytes); }else { ... } }if (status == FX_SUCCESS) { ... } /* Return status to the caller. */ return(status); }{ ... }
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