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fatfs: Add Ramdisk support

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This commit is contained in:
CTCaer
2020-04-30 15:03:25 +03:00
parent c8d6da5a23
commit a2bb576c03
5 changed files with 86 additions and 11 deletions
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7
nyx/nyx_gui/libs/fatfs/diskio.h
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@@ -23,6 +23,11 @@ typedef enum {
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
typedef enum {
DRIVE_SD = 0,
DRIVE_RAM = 1,
} DDRIVE;
/*---------------------------------------*/
/* Prototypes for disk control functions */
@@ -33,6 +38,7 @@ DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
DRESULT disk_set_info (BYTE pdrv, BYTE cmd, void *buff);
/* Disk Status Bits (DSTATUS) */
@@ -47,6 +53,7 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
/* Generic command (Used by FatFs) */
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define SET_SECTOR_COUNT 1 /* Set media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */