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Add totalBytes / usedBytes to SD/SDMMC (#673)

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to be same as SPIFFS
This commit is contained in:
Luc
2017-09-28 10:01:02 +08:00
committed by Me No Dev
parent a66b544d18
commit 3ba46c7fbc
6 changed files with 65 additions and 0 deletions
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28
libraries/SD_MMC/src/SD_MMC.cpp
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@ -23,6 +23,7 @@ extern "C" {
#include "driver/sdmmc_defs.h"
#include "sdmmc_cmd.h"
}
#include "ff.h"
#include "SD_MMC.h"
using namespace fs;
@ -98,5 +99,32 @@ uint64_t SDMMCFS::cardSize()
return (uint64_t)_card->csd.capacity * _card->csd.sector_size;
}
uint64_t SDMMCFS::totalBytes()
{
FATFS* fsinfo;
DWORD fre_clust;
if(f_getfree("0:",&fre_clust,&fsinfo)!= 0) return 0;
uint64_t size = (fsinfo->csize)*(fsinfo->n_fatent - 2)
#if _MAX_SS != 512
*(fsinfo->ssize);
#else
*512;
#endif
return size;
}
uint64_t SDMMCFS::usedBytes()
{
FATFS* fsinfo;
DWORD fre_clust;
if(f_getfree("0:",&fre_clust,&fsinfo)!= 0) return 0;
uint64_t size = (fsinfo->csize)*((fsinfo->n_fatent - 2) - (fsinfo->free_clst))
#if _MAX_SS != 512
*(fsinfo->ssize);
#else
*512;
#endif
return size;
}
SDMMCFS SD_MMC = SDMMCFS(FSImplPtr(new VFSImpl()));