#include "stdint.h" typedef unsigned int FRESULT; typedef struct { void * ptr; /* data */ }FIL; FRESULT f_open (FIL* fp, const char* path, uint8_t mode); /* Open or create a file */ FRESULT f_close (FIL* fp); /* Close an open file object */ FRESULT f_write (FIL* fp, const void* buff, uint32_t btw, uint32_t* bw); /* Write data to the file */ #define FA_CREATE_ALWAYS 0 #define FA_WRITE 0