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/* ... */
#include "ff.h"
#include "stm32f4xx_hal.h"
Includes
#define JFILE FIL
#define JMALLOC malloc
#define JFREE free
size_t read_file (JFILE *file, uint8_t *buf, uint32_t sizeofbuf);
size_t write_file (JFILE *file, uint8_t *buf, uint32_t sizeofbuf);
#define JFREAD(file,buf,sizeofbuf) \
read_file (file,buf,sizeofbuf)...
#define JFWRITE(file,buf,sizeofbuf) \
write_file (file,buf,sizeofbuf)...