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fatfs: add option to prefer ext. RAM for internal buffers

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This commit is contained in:
Ivan Grokhotkov
2018-11-29 01:08:59 +08:00
parent 073dbe6d1d
commit bbeb62547e
7 changed files with 56 additions and 14 deletions
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30
components/fatfs/src/ffsystem.c
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@@ -4,12 +4,15 @@
/*------------------------------------------------------------------------*/
#include <string.h>
#include "ff.h"
#include "sdkconfig.h"
#ifdef CONFIG_FATFS_ALLOC_EXTRAM_FIRST
#include "esp_heap_caps.h"
#endif
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
/*------------------------------------------------------------------------*/
/* Allocate a memory block */
/*------------------------------------------------------------------------*/
@@ -18,7 +21,27 @@ void* ff_memalloc ( /* Returns pointer to the allocated memory block (null on no
UINT msize /* Number of bytes to allocate */
)
{
return malloc(msize); /* Allocate a new memory block with POSIX API */
#ifdef CONFIG_FATFS_ALLOC_EXTRAM_FIRST
return heap_caps_malloc_prefer(size, 2, MALLOC_CAP_DEFAULT | MALLOC_CAP_SPIRAM,
MALLOC_CAP_DEFAULT | MALLOC_CAP_INTERNAL);
#else
return malloc(msize);
#endif
}
/*------------------------------------------------------------------------*/
/* Allocate and zero out memory block */
/*------------------------------------------------------------------------*/
void* ff_memcalloc (UINT num, UINT size)
{
#ifdef CONFIG_FATFS_ALLOC_EXTRAM_FIRST
return heap_caps_calloc_prefer(num, size, 2, MALLOC_CAP_DEFAULT | MALLOC_CAP_SPIRAM,
MALLOC_CAP_DEFAULT | MALLOC_CAP_INTERNAL);
#else
return calloc(num, size);
#endif
}
@@ -33,7 +56,6 @@ void ff_memfree (
free(mblock); /* Free the memory block with POSIX API */
}
#endif