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When FFat is mounted before SD, then filesystem reports wrong system sizes #8520

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Merged
merged 3 commits into from
Aug 29, 2023
Merged

When FFat is mounted before SD, then filesystem reports wrong system sizes #8520

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40cbcee
Fixes wrong usedbytes/totalbytes results.
holgerlembke Aug 13, 2023
c8cdbd2
Fixing indention/tabs
holgerlembke Aug 13, 2023
a789bb1
Merge branch 'master' into master
holgerlembke Aug 25, 2023
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8 changes: 5 additions & 3 deletions libraries/SD/src/SD.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -95,8 +95,9 @@ uint64_t SDFS::totalBytes()
{
FATFS* fsinfo;
DWORD fre_clust;
if(f_getfree("0:",&fre_clust,&fsinfo)!= 0) return 0;
uint64_t size = ((uint64_t)(fsinfo->csize))*(fsinfo->n_fatent - 2)
char drv[3] = {(char)(48+_pdrv), ':', 0};
if(f_getfree(drv,&fre_clust,&fsinfo)!= 0) return 0;
uint64_t size = ((uint64_t)(fsinfo->csize))*(fsinfo->n_fatent - 2)
#if _MAX_SS != 512
*(fsinfo->ssize);
#else
Expand All @@ -109,7 +110,8 @@ uint64_t SDFS::usedBytes()
{
FATFS* fsinfo;
DWORD fre_clust;
if(f_getfree("0:",&fre_clust,&fsinfo)!= 0) return 0;
char drv[3] = {(char)(48+_pdrv), ':', 0};
if(f_getfree(drv,&fre_clust,&fsinfo)!= 0) return 0;
uint64_t size = ((uint64_t)(fsinfo->csize))*((fsinfo->n_fatent - 2) - (fsinfo->free_clst))
#if _MAX_SS != 512
*(fsinfo->ssize);
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