Yuuki/Lockpick_RCM
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Hardcode buffers, lock sector cache, use fastfs

Browse source
This commit is contained in:
shchmue 2020-05-10 13:28:54 -06:00
parent 9130c4b69c
commit 3705b5f228
6 changed files with 325 additions and 57 deletions
Download patch file Download diff file Expand all files Collapse all files

15
source/libs/fatfs/ff.h
View file

@ -246,7 +246,12 @@ typedef enum {
FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */
#ifdef FF_FASTFS
FR_INVALID_PARAMETER, /* (19) Given parameter is invalid */
FR_CLTBL_NO_INIT /* (20) The cluster table for fast seek/read/write was not created */
#else
FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
#endif
} FRESULT;
@ -258,6 +263,10 @@ FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a f
FRESULT f_close (FIL* fp); /* Close an open file object */
FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */
#ifdef FF_FASTFS
FRESULT f_read_fast (FIL* fp, const void* buff, UINT btr); /* Fast read data from the file */
FRESULT f_write_fast (FIL* fp, const void* buff, UINT btw); /* Fast write data to the file */
#endif
FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */
FRESULT f_truncate (FIL* fp); /* Truncate the file */
FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */
@ -279,6 +288,9 @@ FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get numbe
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
#ifdef FF_FASTFS
DWORD *f_expand_cltbl (FIL* fp, UINT tblsz, FSIZE_t ofs); /* Expand file and populate cluster table */
#endif
FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */
@ -368,8 +380,11 @@ int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */
#define AM_RDO 0x01 /* Read only */
#define AM_HID 0x02 /* Hidden */
#define AM_SYS 0x04 /* System */
#define AM_VOL 0x08 /* Volume */
#define AM_DIR 0x10 /* Directory */
#define AM_ARC 0x20 /* Archive */
#define AM_DEV 0x40 /* Device */
#define AM_RVD 0x80 /* Reserved */
#ifdef __cplusplus