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Move LPC1768 framework out of Marlin source folder

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This commit is contained in:
Thomas Moore
2017-09-19 19:25:59 -05:00
parent f37ed314e0
commit ddbd4b73e0
105 changed files with 38 additions and 10 deletions
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1143
frameworks/CMSIS/LPC1768/lib/chanfs/LPC176x.h Normal file
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frameworks/CMSIS/LPC1768/lib/chanfs/diskio.h Normal file
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/*-----------------------------------------------------------------------
/ Low level disk interface modlue include file (C)ChaN, 2015
/-----------------------------------------------------------------------*/
#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED
#ifdef __cplusplus
extern "C" {
#endif
#define _DISKIO_WRITE 1 /* 1: Enable disk_write function */
#define _DISKIO_IOCTL 1 /* 1: Enable disk_ioctl fucntion */
#define _DISKIO_ISDIO 0 /* 1: Enable iSDIO control fucntion */
#include "integer.h"
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
#if _DISKIO_ISDIO
/* Command structure for iSDIO ioctl command */
typedef struct {
BYTE func; /* Function number: 0..7 */
WORD ndata; /* Number of bytes to transfer: 1..512, or mask + data */
DWORD addr; /* Register address: 0..0x1FFFF */
void* data; /* Pointer to the data (to be written | read buffer) */
} SDIO_CMD;
#endif
/*---------------------------------------*/
/* Prototypes for disk control functions */
DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
#if _DISKIO_WRITE
DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
#endif
#if _DISKIO_IOCTL
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
#endif
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl fucntion */
/* Generic command (Used by FatFs) */
#define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */
/* Generic command (Not used by FatFs) */
#define CTRL_FORMAT 5 /* Create physical format on the media */
#define CTRL_POWER_IDLE 6 /* Put the device idle state */
#define CTRL_POWER_OFF 7 /* Put the device off state */
#define CTRL_LOCK 8 /* Lock media removal */
#define CTRL_UNLOCK 9 /* Unlock media removal */
#define CTRL_EJECT 10 /* Eject media */
/* MMC/SDC specific ioctl command (Not used by FatFs) */
#define MMC_GET_TYPE 50 /* Get card type */
#define MMC_GET_CSD 51 /* Get CSD */
#define MMC_GET_CID 52 /* Get CID */
#define MMC_GET_OCR 53 /* Get OCR */
#define MMC_GET_SDSTAT 54 /* Get SD status */
#define ISDIO_READ 55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
/* ATA/CF specific ioctl command (Not used by FatFs) */
#define ATA_GET_REV 60 /* Get F/W revision */
#define ATA_GET_MODEL 61 /* Get model name */
#define ATA_GET_SN 62 /* Get serial number */
/* MMC card type flags (MMC_GET_TYPE) */
#define CT_MMC 0x01 /* MMC ver 3 */
#define CT_SD1 0x02 /* SD ver 1 */
#define CT_SD2 0x04 /* SD ver 2 */
#define CT_SDC (CT_SD1|CT_SD2) /* SD */
#define CT_BLOCK 0x08 /* Block addressing */
#ifdef __cplusplus
}
#endif
#endif

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frameworks/CMSIS/LPC1768/lib/chanfs/ff.c Normal file
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/*----------------------------------------------------------------------------/
/ FatFs - Generic FAT Filesystem module R0.13 /
/-----------------------------------------------------------------------------/
/
/ Copyright (C) 2017, ChaN, all right reserved.
/
/ FatFs module is an open source software. Redistribution and use of FatFs in
/ source and binary forms, with or without modification, are permitted provided
/ that the following condition is met:
/ 1. Redistributions of source code must retain the above copyright notice,
/ this condition and the following disclaimer.
/
/ This software is provided by the copyright holder and contributors "AS IS"
/ and any warranties related to this software are DISCLAIMED.
/ The copyright owner or contributors be NOT LIABLE for any damages caused
/ by use of this software.
/
/----------------------------------------------------------------------------*/
#ifndef FF_DEFINED
#define FF_DEFINED 87030 /* Revision ID */
#ifdef __cplusplus
extern "C" {
#endif
#include "integer.h" /* Basic integer types */
#include "ffconf.h" /* FatFs configuration options */
#if FF_DEFINED != FFCONF_DEF
#error Wrong configuration file (ffconf.h).
#endif
/* Definitions of volume management */
#if FF_MULTI_PARTITION /* Multiple partition configuration */
typedef struct {
BYTE pd; /* Physical drive number */
BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
} PARTITION;
extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
#endif
/* Type of path name strings on FatFs API */
#if FF_LFN_UNICODE && FF_USE_LFN /* Unicode (UTF-16) string */
#ifndef _INC_TCHAR
typedef WCHAR TCHAR;
#define _T(x) L ## x
#define _TEXT(x) L ## x
#define _INC_TCHAR
#endif
#else /* ANSI/OEM string */
#ifndef _INC_TCHAR
typedef char TCHAR;
#define _T(x) x
#define _TEXT(x) x
#define _INC_TCHAR
#endif
#endif
/* Type of file size variables */
#if FF_FS_EXFAT
#if !FF_USE_LFN
#error LFN must be enabled when enable exFAT
#endif
typedef QWORD FSIZE_t;
#else
typedef DWORD FSIZE_t;
#endif
/* Filesystem object structure (FATFS) */
typedef struct {
BYTE fs_type; /* Filesystem type (0:N/A) */
BYTE pdrv; /* Physical drive number */
BYTE n_fats; /* Number of FATs (1 or 2) */
BYTE wflag; /* win[] flag (b0:dirty) */
BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
WORD id; /* Volume mount ID */
WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
WORD csize; /* Cluster size [sectors] */
#if FF_MAX_SS != FF_MIN_SS
WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */
#endif
#if FF_USE_LFN
WCHAR* lfnbuf; /* LFN working buffer */
#endif
#if FF_FS_EXFAT
BYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */
#endif
#if FF_FS_REENTRANT
FF_SYNC_t sobj; /* Identifier of sync object */
#endif
#if !FF_FS_READONLY
DWORD last_clst; /* Last allocated cluster */
DWORD free_clst; /* Number of free clusters */
#endif
#if FF_FS_RPATH
DWORD cdir; /* Current directory start cluster (0:root) */
#if FF_FS_EXFAT
DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */
DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */
DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */
#endif
#endif
DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */
DWORD fsize; /* Size of an FAT [sectors] */
DWORD volbase; /* Volume base sector */
DWORD fatbase; /* FAT base sector */
DWORD dirbase; /* Root directory base sector/cluster */
DWORD database; /* Data base sector */
DWORD winsect; /* Current sector appearing in the win[] */
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
} FATFS;
/* Object ID and allocation information (FFOBJID) */
typedef struct {
FATFS* fs; /* Pointer to the hosting volume of this object */
WORD id; /* Hosting volume mount ID */
BYTE attr; /* Object attribute */
BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:flagmented in this session, b2:sub-directory stretched) */
DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */
FSIZE_t objsize; /* Object size (valid when sclust != 0) */
#if FF_FS_EXFAT
DWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */
DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */
DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */
DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */
#endif
#if FF_FS_LOCK
UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
#endif
} FFOBJID;
/* File object structure (FIL) */
typedef struct {
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
BYTE flag; /* File status flags */
BYTE err; /* Abort flag (error code) */
FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */
DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */
DWORD sect; /* Sector number appearing in buf[] (0:invalid) */
#if !FF_FS_READONLY
DWORD dir_sect; /* Sector number containing the directory entry (not used at exFAT) */
BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */
#endif
#if FF_USE_FASTSEEK
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
#endif
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
#endif
} FIL;
/* Directory object structure (DIR) */
typedef struct {
FFOBJID obj; /* Object identifier */
DWORD dptr; /* Current read/write offset */
DWORD clust; /* Current cluster */
DWORD sect; /* Current sector (0:Read operation has terminated) */
BYTE* dir; /* Pointer to the directory item in the win[] */
BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */
#if FF_USE_LFN
DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */
#endif
#if FF_USE_FIND
const TCHAR* pat; /* Pointer to the name matching pattern */
#endif
} DIR;
/* File information structure (FILINFO) */
typedef struct {
FSIZE_t fsize; /* File size */
WORD fdate; /* Modified date */
WORD ftime; /* Modified time */
BYTE fattrib; /* File attribute */
#if FF_USE_LFN
TCHAR altname[13]; /* Altenative file name */
TCHAR fname[FF_MAX_LFN + 1]; /* Primary file name */
#else
TCHAR fname[13]; /* File name */
#endif
} FILINFO;
/* File function return code (FRESULT) */
typedef enum {
FR_OK = 0, /* (0) Succeeded */
FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
FR_INT_ERR, /* (2) Assertion failed */
FR_NOT_READY, /* (3) The physical drive cannot work */
FR_NO_FILE, /* (4) Could not find the file */
FR_NO_PATH, /* (5) Could not find the path */
FR_INVALID_NAME, /* (6) The path name format is invalid */
FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
FR_EXIST, /* (8) Access denied due to prohibited access */
FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
FR_NOT_ENABLED, /* (12) The volume has no work area */
FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */
FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
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 */
FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
} FRESULT;
/*--------------------------------------------------------------*/
/* FatFs module application interface */
FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
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 */
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 */
FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */
FRESULT f_closedir (DIR* dp); /* Close an open directory */
FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */
FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */
FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */
FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */
FRESULT f_chdir (const TCHAR* path); /* Change current directory */
FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
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 */
FRESULT f_expand (FIL* fp, FSIZE_t szf, 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 */
FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */
FRESULT f_setcp (WORD cp); /* Set current code page */
int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))
#define f_error(fp) ((fp)->err)
#define f_tell(fp) ((fp)->fptr)
#define f_size(fp) ((fp)->obj.objsize)
#define f_rewind(fp) f_lseek((fp), 0)
#define f_rewinddir(dp) f_readdir((dp), 0)
#define f_rmdir(path) f_unlink(path)
#define f_unmount(path) f_mount(0, path, 0)
#ifndef EOF
#define EOF (-1)
#endif
/*--------------------------------------------------------------*/
/* Additional user defined functions */
/* RTC function */
#if !FF_FS_READONLY && !FF_FS_NORTC
DWORD get_fattime (void);
#endif
/* LFN support functions */
#if FF_USE_LFN /* Code conversion (defined in unicode.c) */
WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */
WCHAR ff_uni2oem (WCHAR uni, WORD cp); /* Unicode to OEM code conversion */
WCHAR ff_wtoupper (WCHAR uni); /* Unicode upper-case conversion */
#endif
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
void* ff_memalloc (UINT msize); /* Allocate memory block */
void ff_memfree (void* mblock); /* Free memory block */
#endif
/* Sync functions */
#if FF_FS_REENTRANT
int ff_cre_syncobj (BYTE vol, FF_SYNC_t* sobj); /* Create a sync object */
int ff_req_grant (FF_SYNC_t sobj); /* Lock sync object */
void ff_rel_grant (FF_SYNC_t sobj); /* Unlock sync object */
int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */
#endif
/*--------------------------------------------------------------*/
/* Flags and offset address */
/* File access mode and open method flags (3rd argument of f_open) */
#define FA_READ 0x01
#define FA_WRITE 0x02
#define FA_OPEN_EXISTING 0x00
#define FA_CREATE_NEW 0x04
#define FA_CREATE_ALWAYS 0x08
#define FA_OPEN_ALWAYS 0x10
#define FA_OPEN_APPEND 0x30
/* Fast seek controls (2nd argument of f_lseek) */
#define CREATE_LINKMAP ((FSIZE_t)0 - 1)
/* Format options (2nd argument of f_mkfs) */
#define FM_FAT 0x01
#define FM_FAT32 0x02
#define FM_EXFAT 0x04
#define FM_ANY 0x07
#define FM_SFD 0x08
/* Filesystem type (FATFS.fs_type) */
#define FS_FAT12 1
#define FS_FAT16 2
#define FS_FAT32 3
#define FS_EXFAT 4
/* File attribute bits for directory entry (FILINFO.fattrib) */
#define AM_RDO 0x01 /* Read only */
#define AM_HID 0x02 /* Hidden */
#define AM_SYS 0x04 /* System */
#define AM_DIR 0x10 /* Directory */
#define AM_ARC 0x20 /* Archive */
#ifdef __cplusplus
}
#endif
#endif /* FF_DEFINED */

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/*---------------------------------------------------------------------------/
/ FatFs - Configuration file
/---------------------------------------------------------------------------*/
#define FFCONF_DEF 87030 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define FF_FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: All basic functions are enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_STRFUNC 0
/* This option switches string functions, f_gets(), f_putc(), f_puts() and f_printf().
/
/ 0: Disable string functions.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion. */
#define FF_USE_FIND 1
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define FF_USE_MKFS 1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define FF_USE_FASTSEEK 0
/* This option switches fast seek function. (0:Disable or 1:Enable) */
#define FF_USE_EXPAND 0
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 1
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
#define FF_USE_LABEL 1
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define FF_USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 932
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
/ 0 - Include all code pages above and configured by f_setcp()
*/
#define FF_USE_LFN 1
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, Unicode handling functions (option/unicode.c) must be added
/ to the project. The working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
/ additional 608 bytes at exFAT enabled. FF_MAX_LFN can be in range from 12 to 255.
/ It should be set 255 to support full featured LFN operations.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree(), must be added to the project. */
#define FF_LFN_UNICODE 0
/* This option switches character encoding on the API, 0:ANSI/OEM or 1:UTF-16,
/ when LFN is enabled. Also behavior of string I/O functions will be affected by
/ this option. When LFN is not enabled, this option has no effect.
*/
#define FF_STRF_ENCODE 3
/* When FF_LFN_UNICODE = 1 with LFN enabled, string I/O functions, f_gets(),
/ f_putc(), f_puts and f_printf() convert the character encoding in it.
/ This option selects assumption of character encoding ON THE FILE to be
/ read/written via those functions.
/
/ 0: ANSI/OEM
/ 1: UTF-16LE
/ 2: UTF-16BE
/ 3: UTF-8
*/
#define FF_FS_RPATH 2
/* This option configures support for relative path.
/
/ 0: Disable relative path and remove related functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 1
/* Number of volumes (logical drives) to be used. (1-10) */
#define FF_STR_VOLUME_ID 0
#define FF_VOLUME_STRS "RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
/* FF_STR_VOLUME_ID switches string support for volume ID.
/ When FF_STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
/ number in the path name. FF_VOLUME_STRS defines the drive ID strings for each
/ logical drives. Number of items must be equal to FF_VOLUMES. Valid characters for
/ the drive ID strings are: A-Z and 0-9. */
#define FF_MULTI_PARTITION 0
/* This option switches support for multiple volumes on the physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When this function is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ funciton will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 512
/* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
/ for variable sector size mode and disk_ioctl() function needs to implement
/ GET_SECTOR_SIZE command. */
#define FF_USE_TRIM 0
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
#define FF_FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
#define FF_FS_EXFAT 0
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
/ When enable exFAT, also LFN needs to be enabled.
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
#define FF_FS_NORTC 0
#define FF_NORTC_MON 1
#define FF_NORTC_MDAY 1
#define FF_NORTC_YEAR 2016
/* The option FF_FS_NORTC switches timestamp functiton. If the system does not have
/ any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable
/ the timestamp function. All objects modified by FatFs will have a fixed timestamp
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
/ To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be
/ added to the project to read current time form real-time clock. FF_NORTC_MON,
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
/ These options have no effect at read-only configuration (FF_FS_READONLY = 1). */
#define FF_FS_LOCK 0
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
#define FF_FS_REENTRANT 0
#define FF_FS_TIMEOUT 1000
#define FF_SYNC_t HANDLE
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this function.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT and FF_SYNC_t have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
/ function, must be added to the project. Samples are available in
/ option/syscall.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of time tick.
/ The FF_SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/ SemaphoreHandle_t and etc. A header file for O/S definitions needs to be
/ included somewhere in the scope of ff.h. */
/* #include <windows.h> // O/S definitions */
/*--- End of configuration options ---*/

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/*-------------------------------------------*/
/* Integer type definitions for FatFs module */
/*-------------------------------------------*/
#ifndef _FF_INTEGER
#define _FF_INTEGER
#ifdef _WIN32 /* FatFs development platform */
#include <windows.h>
#include <tchar.h>
typedef unsigned __int64 QWORD;
#else /* Embedded platform */
/* These types MUST be 16-bit or 32-bit */
typedef int INT;
typedef unsigned int UINT;
/* This type MUST be 8-bit */
typedef unsigned char BYTE;
/* These types MUST be 16-bit */
typedef short SHORT;
typedef unsigned short WORD;
typedef unsigned short WCHAR;
/* These types MUST be 32-bit */
typedef long LONG;
typedef unsigned long DWORD;
/* This type MUST be 64-bit (Remove this for C89 compatibility) */
typedef unsigned long long QWORD;
#endif
#endif

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/*------------------------------------------------------------------------*/
/* LPCXpresso176x: MMCv3/SDv1/SDv2 (SPI mode) control module */
/*------------------------------------------------------------------------*/
/*
/ Copyright (C) 2015, ChaN, all right reserved.
/
/ * This software is a free software and there is NO WARRANTY.
/ * No restriction on use. You can use, modify and redistribute it for
/ personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
/
/-------------------------------------------------------------------------*/
#define SSP_CH 1 /* SSP channel to use (0:SSP0, 1:SSP1) */
#define CCLK 100000000UL /* cclk frequency [Hz] */
#define PCLK_SSP 50000000UL /* PCLK frequency to be supplied for SSP [Hz] */
#define SCLK_FAST 25000000UL /* SCLK frequency under normal operation [Hz] */
#define SCLK_SLOW 400000UL /* SCLK frequency under initialization [Hz] */
//#define MMC_CD (!(FIO2PIN1 & _BV(1))) /* Card detect (yes:true, no:false, default:true) */
#define MMC_WP 0 /* Write protected (yes:true, no:false, default:false) */
#if SSP_CH == 0
#define SSPxDR SSP0DR
#define SSPxSR SSP0SR
#define SSPxCR0 SSP0CR0
#define SSPxCR1 SSP0CR1
#define SSPxCPSR SSP0CPSR
#define CS_LOW() {FIO0CLR2 = _BV(0);} /* Set P0.16 low */
#define CS_HIGH() {FIO0SET2 = _BV(0);} /* Set P0.16 high */
#define PCSSPx PCSSP0
#define PCLKSSPx PCLK_SSP0
#define ATTACH_SSP() {\
__set_PINSEL(0, 15, 2); /* SCK0 */\
__set_PINSEL(0, 17, 2); /* MISO0 */\
__set_PINSEL(0, 18, 2); /* MOSI0 */\
FIO0DIR |= _BV(16); /* CS# (P0.16) */\
}
#elif SSP_CH == 1
#define SSPxDR SSP1DR
#define SSPxSR SSP1SR
#define SSPxCR0 SSP1CR0
#define SSPxCR1 SSP1CR1
#define SSPxCPSR SSP1CPSR
#define CS_LOW() {FIO0CLR0 = _BV(6);} /* Set P0.6 low */
#define CS_HIGH() {FIO0SET0 = _BV(6);} /* Set P0.6 high */
#define PCSSPx PCSSP1
#define PCLKSSPx PCLK_SSP1
#define ATTACH_SSP() {\
__set_PINSEL(0, 7, 2); /* SCK1 */\
__set_PINSEL(0, 8, 2); /* MISO1 */\
__set_PINSEL(0, 9, 2); /* MOSI1 */\
FIO0DIR |= _BV(6); /* CS# (P0.6) */\
}
#endif
#if PCLK_SSP * 1 == CCLK
#define PCLKDIV_SSP PCLKDIV_1
#elif PCLK_SSP * 2 == CCLK
#define PCLKDIV_SSP PCLKDIV_2
#elif PCLK_SSP * 4 == CCLK
#define PCLKDIV_SSP PCLKDIV_4
#elif PCLK_SSP * 8 == CCLK
#define PCLKDIV_SSP PCLKDIV_8
#else
#error Invalid CCLK:PCLK_SSP combination.
#endif
#define FCLK_FAST() { SSPxCR0 = (SSPxCR0 & 0x00FF) | ((PCLK_SSP / 2 / SCLK_FAST) - 1) << 8; }
#define FCLK_SLOW() { SSPxCR0 = (SSPxCR0 & 0x00FF) | ((PCLK_SSP / 2 / SCLK_SLOW) - 1) << 8; }
/*--------------------------------------------------------------------------
Module Private Functions
---------------------------------------------------------------------------*/
#include "LPC176x.h"
#include "diskio.h"
/* MMC/SD command */
#define CMD0 (0) /* GO_IDLE_STATE */
#define CMD1 (1) /* SEND_OP_COND (MMC) */
#define ACMD41 (0x80+41) /* SEND_OP_COND (SDC) */
#define CMD8 (8) /* SEND_IF_COND */
#define CMD9 (9) /* SEND_CSD */
#define CMD10 (10) /* SEND_CID */
#define CMD12 (12) /* STOP_TRANSMISSION */
#define ACMD13 (0x80+13) /* SD_STATUS (SDC) */
#define CMD16 (16) /* SET_BLOCKLEN */
#define CMD17 (17) /* READ_SINGLE_BLOCK */
#define CMD18 (18) /* READ_MULTIPLE_BLOCK */
#define CMD23 (23) /* SET_BLOCK_COUNT (MMC) */
#define ACMD23 (0x80+23) /* SET_WR_BLK_ERASE_COUNT (SDC) */
#define CMD24 (24) /* WRITE_BLOCK */
#define CMD25 (25) /* WRITE_MULTIPLE_BLOCK */
#define CMD32 (32) /* ERASE_ER_BLK_START */
#define CMD33 (33) /* ERASE_ER_BLK_END */
#define CMD38 (38) /* ERASE */
#define CMD48 (48) /* READ_EXTR_SINGLE */
#define CMD49 (49) /* WRITE_EXTR_SINGLE */
#define CMD55 (55) /* APP_CMD */
#define CMD58 (58) /* READ_OCR */
static volatile
DSTATUS Stat = STA_NOINIT; /* Physical drive status */
static volatile
UINT Timer1, Timer2; /* 1kHz decrement timer stopped at zero (disk_timerproc()) */
static
BYTE CardType; /* Card type flags */
/*-----------------------------------------------------------------------*/
/* Send/Receive data to the MMC (Platform dependent) */
/*-----------------------------------------------------------------------*/
/* Exchange a byte */
static
BYTE xchg_spi (
BYTE dat /* Data to send */
)
{
SSPxDR = dat;
while (SSPxSR & 0x10) ;
return SSPxDR;
}
/* Receive multiple byte */
static
void rcvr_spi_multi (
BYTE *buff, /* Pointer to data buffer */
UINT btr /* Number of bytes to receive (16, 64 or 512) */
)
{
UINT n;
WORD d;
SSPxCR0 |= 0x000F; /* Select 16-bit mode */
for (n = 0; n < 8; n++) /* Push 8 frames into pipeline */
SSPxDR = 0xFFFF;
btr -= 16;
while (btr >= 2) { /* Receive the data block into buffer */
btr -= 2;
while (!(SSPxSR & _BV(2))) ; /* Wait for any data in receive FIFO */
d = SSPxDR;
SSPxDR = 0xFFFF;
*buff++ = d >> 8;
*buff++ = d;
}
for (n = 0; n < 8; n++) { /* Pop remaining frames from pipeline */
while (!(SSPxSR & _BV(2))) ;
d = SSPxDR;
*buff++ = d >> 8;
*buff++ = d;
}
SSPxCR0 &= 0xFFF7; /* Select 8-bit mode */
}
#if _DISKIO_WRITE
/* Send multiple byte */
static
void xmit_spi_multi (
const BYTE *buff, /* Pointer to the data */
UINT btx /* Number of bytes to send (multiple of 16) */
)
{
UINT n;
WORD d;
SSPxCR0 |= 0x000F; /* Select 16-bit mode */
for (n = 0; n < 8; n++) { /* Push 8 frames into pipeline */
d = *buff++;
d = d << 8 | *buff++;
SSPxDR = d;
}
btx -= 16;
while (btx >= 2) { /* Transmit data block */
btx -= 2;
d = *buff++;
d = d << 8 | *buff++;
while (!(SSPxSR & _BV(2))) ; /* Wait for any data in receive FIFO */
SSPxDR; SSPxDR = d;
}
for (n = 0; n < 8; n++) { /* Flush pipeline */
while (!(SSPxSR & _BV(2))) ;
SSPxDR;
}
SSPxCR0 &= 0xFFF7; /* Select 8-bit mode */
}
#endif
/*-----------------------------------------------------------------------*/
/* Wait for card ready */
/*-----------------------------------------------------------------------*/
static
int wait_ready ( /* 1:Ready, 0:Timeout */
UINT wt /* Timeout [ms] */
)
{
BYTE d;
Timer2 = wt;
do {
d = xchg_spi(0xFF);
/* This loop takes a time. Insert rot_rdq() here for multitask envilonment. */
} while (d != 0xFF && Timer2); /* Wait for card goes ready or timeout */
return (d == 0xFF) ? 1 : 0;
}
/*-----------------------------------------------------------------------*/
/* Deselect card and release SPI */
/*-----------------------------------------------------------------------*/
static
void deselect (void)
{
CS_HIGH(); /* CS = H */
xchg_spi(0xFF); /* Dummy clock (force DO hi-z for multiple slave SPI) */
}
/*-----------------------------------------------------------------------*/
/* Select card and wait for ready */
/*-----------------------------------------------------------------------*/
static
int select (void) /* 1:OK, 0:Timeout */
{
CS_LOW(); /* CS = L */
xchg_spi(0xFF); /* Dummy clock (force DO enabled) */
if (wait_ready(500)) return 1; /* Leading busy check: Wait for card ready */
deselect(); /* Timeout */
return 0;
}
/*-----------------------------------------------------------------------*/
/* Control SPI module (Platform dependent) */
/*-----------------------------------------------------------------------*/
static
void power_on (void) /* Enable SSP module and attach it to I/O pads */
{
__set_PCONP(PCSSPx, 1); /* Enable SSP module */
__set_PCLKSEL(PCLKSSPx, PCLKDIV_SSP); /* Select PCLK frequency for SSP */
SSPxCPSR = 2; /* CPSDVSR=2 */
SSPxCR0 = 0x0007; /* Set mode: SPI mode 0, 8-bit */
SSPxCR1 = 0x2; /* Enable SSP with Master */
ATTACH_SSP(); /* Attach SSP module to I/O pads */
CS_HIGH(); /* Set CS# high */
for (Timer1 = 10; Timer1; ) ; /* 10ms */
}
static
void power_off (void) /* Disable SPI function */
{
select(); /* Wait for card ready */
deselect();
}
/*-----------------------------------------------------------------------*/
/* Receive a data packet from the MMC */
/*-----------------------------------------------------------------------*/
static
int rcvr_datablock ( /* 1:OK, 0:Error */
BYTE *buff, /* Data buffer */
UINT btr /* Data block length (byte) */
)
{
BYTE token;
Timer1 = 200;
do { /* Wait for DataStart token in timeout of 200ms */
token = xchg_spi(0xFF);
/* This loop will take a time. Insert rot_rdq() here for multitask envilonment. */
} while ((token == 0xFF) && Timer1);
if(token != 0xFE) return 0; /* Function fails if invalid DataStart token or timeout */
rcvr_spi_multi(buff, btr); /* Store trailing data to the buffer */
xchg_spi(0xFF); xchg_spi(0xFF); /* Discard CRC */
return 1; /* Function succeeded */
}
/*-----------------------------------------------------------------------*/
/* Send a data packet to the MMC */
/*-----------------------------------------------------------------------*/
#if _DISKIO_WRITE
static
int xmit_datablock ( /* 1:OK, 0:Failed */
const BYTE *buff, /* Ponter to 512 byte data to be sent */
BYTE token /* Token */
)
{
BYTE resp;
if (!wait_ready(500)) return 0; /* Leading busy check: Wait for card ready to accept data block */
xchg_spi(token); /* Send token */
if (token == 0xFD) return 1; /* Do not send data if token is StopTran */
xmit_spi_multi(buff, 512); /* Data */
xchg_spi(0xFF); xchg_spi(0xFF); /* Dummy CRC */
resp = xchg_spi(0xFF); /* Receive data resp */
return (resp & 0x1F) == 0x05 ? 1 : 0; /* Data was accepted or not */
/* Busy check is done at next transmission */
}
#endif
/*-----------------------------------------------------------------------*/
/* Send a command packet to the MMC */
/*-----------------------------------------------------------------------*/
static
BYTE send_cmd ( /* Return value: R1 resp (bit7==1:Failed to send) */
BYTE cmd, /* Command index */
DWORD arg /* Argument */
)
{
BYTE n, res;
if (cmd & 0x80) { /* Send a CMD55 prior to ACMD<n> */
cmd &= 0x7F;
res = send_cmd(CMD55, 0);
if (res > 1) return res;
}
/* Select the card and wait for ready except to stop multiple block read */
if (cmd != CMD12) {
deselect();
if (!select()) return 0xFF;
}
/* Send command packet */
xchg_spi(0x40 | cmd); /* Start + command index */
xchg_spi((BYTE)(arg >> 24)); /* Argument[31..24] */
xchg_spi((BYTE)(arg >> 16)); /* Argument[23..16] */
xchg_spi((BYTE)(arg >> 8)); /* Argument[15..8] */
xchg_spi((BYTE)arg); /* Argument[7..0] */
n = 0x01; /* Dummy CRC + Stop */
if (cmd == CMD0) n = 0x95; /* Valid CRC for CMD0(0) */
if (cmd == CMD8) n = 0x87; /* Valid CRC for CMD8(0x1AA) */
xchg_spi(n);
/* Receive command resp */
if (cmd == CMD12) xchg_spi(0xFF); /* Diacard following one byte when CMD12 */
n = 10; /* Wait for response (10 bytes max) */
do
res = xchg_spi(0xFF);
while ((res & 0x80) && --n);
return res; /* Return received response */
}
/*--------------------------------------------------------------------------
Public Functions
---------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------*/
/* Initialize disk drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE drv /* Physical drive number (0) */
)
{
BYTE n, cmd, ty, ocr[4];
if (drv) return STA_NOINIT; /* Supports only drive 0 */
power_on(); /* Initialize SPI */
if (Stat & STA_NODISK) return Stat; /* Is a card existing in the soket? */
FCLK_SLOW();
for (n = 10; n; n--) xchg_spi(0xFF); /* Send 80 dummy clocks */
ty = 0;
if (send_cmd(CMD0, 0) == 1) { /* Put the card SPI state */
Timer1 = 1000; /* Initialization timeout = 1 sec */
if (send_cmd(CMD8, 0x1AA) == 1) { /* Is the catd SDv2? */
for (n = 0; n < 4; n++) ocr[n] = xchg_spi(0xFF); /* Get 32 bit return value of R7 resp */
if (ocr[2] == 0x01 && ocr[3] == 0xAA) { /* Does the card support 2.7-3.6V? */
while (Timer1 && send_cmd(ACMD41, 1UL << 30)) ; /* Wait for end of initialization with ACMD41(HCS) */
if (Timer1 && send_cmd(CMD58, 0) == 0) { /* Check CCS bit in the OCR */
for (n = 0; n < 4; n++) ocr[n] = xchg_spi(0xFF);
ty = (ocr[0] & 0x40) ? CT_SD2 | CT_BLOCK : CT_SD2; /* Check if the card is SDv2 */
}
}
} else { /* Not an SDv2 card */
if (send_cmd(ACMD41, 0) <= 1) { /* SDv1 or MMCv3? */
ty = CT_SD1; cmd = ACMD41; /* SDv1 (ACMD41(0)) */
} else {
ty = CT_MMC; cmd = CMD1; /* MMCv3 (CMD1(0)) */
}
while (Timer1 && send_cmd(cmd, 0)) ; /* Wait for the card leaves idle state */
if (!Timer1 || send_cmd(CMD16, 512) != 0) /* Set block length: 512 */
ty = 0;
}
}
CardType = ty; /* Card type */
deselect();
if (ty) { /* OK */
FCLK_FAST(); /* Set fast clock */
Stat &= ~STA_NOINIT; /* Clear STA_NOINIT flag */
} else { /* Failed */
power_off();
Stat = STA_NOINIT;
}
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Get disk status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE drv /* Physical drive number (0) */
)
{
if (drv) return STA_NOINIT; /* Supports only drive 0 */
return Stat; /* Return disk status */
}
/*-----------------------------------------------------------------------*/
/* Read sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE drv, /* Physical drive number (0) */
BYTE *buff, /* Pointer to the data buffer to store read data */
DWORD sector, /* Start sector number (LBA) */
UINT count /* Number of sectors to read (1..128) */
)
{
BYTE cmd;
if (drv || !count) return RES_PARERR; /* Check parameter */
if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check if drive is ready */
if (!(CardType & CT_BLOCK)) sector *= 512; /* LBA ot BA conversion (byte addressing cards) */
cmd = count > 1 ? CMD18 : CMD17; /* READ_MULTIPLE_BLOCK : READ_SINGLE_BLOCK */
if (send_cmd(cmd, sector) == 0) {
do {
if (!rcvr_datablock(buff, 512)) break;
buff += 512;
} while (--count);
if (cmd == CMD18) send_cmd(CMD12, 0); /* STOP_TRANSMISSION */
}
deselect();
return count ? RES_ERROR : RES_OK; /* Return result */
}
/*-----------------------------------------------------------------------*/
/* Write sector(s) */
/*-----------------------------------------------------------------------*/
#if _DISKIO_WRITE
DRESULT disk_write (
BYTE drv, /* Physical drive number (0) */
const BYTE *buff, /* Ponter to the data to write */
DWORD sector, /* Start sector number (LBA) */
UINT count /* Number of sectors to write (1..128) */
)
{
if (drv || !count) return RES_PARERR; /* Check parameter */
if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check drive status */
if (Stat & STA_PROTECT) return RES_WRPRT; /* Check write protect */
if (!(CardType & CT_BLOCK)) sector *= 512; /* LBA ==> BA conversion (byte addressing cards) */
if (count == 1) { /* Single sector write */
if ((send_cmd(CMD24, sector) == 0) /* WRITE_BLOCK */
&& xmit_datablock(buff, 0xFE)) {
count = 0;
}
}
else { /* Multiple sector write */
if (CardType & CT_SDC) send_cmd(ACMD23, count); /* Predefine number of sectors */
if (send_cmd(CMD25, sector) == 0) { /* WRITE_MULTIPLE_BLOCK */
do {
if (!xmit_datablock(buff, 0xFC)) break;
buff += 512;
} while (--count);
if (!xmit_datablock(0, 0xFD)) count = 1; /* STOP_TRAN token */
}
}
deselect();
return count ? RES_ERROR : RES_OK; /* Return result */
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous drive controls other than data read/write */
/*-----------------------------------------------------------------------*/
#if _DISKIO_IOCTL
DRESULT disk_ioctl (
BYTE drv, /* Physical drive number (0) */
BYTE cmd, /* Control command code */
void *buff /* Pointer to the conrtol data */
)
{
DRESULT res;
BYTE n, csd[16], *ptr = buff;
DWORD *dp, st, ed, csize;
#if _DISKIO_ISDIO
SDIO_CMD *sdio = buff;
BYTE rc, *buf;
UINT dc;
#endif
if (drv) return RES_PARERR; /* Check parameter */
if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check if drive is ready */
res = RES_ERROR;
switch (cmd) {
case CTRL_SYNC: /* Wait for end of internal write process of the drive */
if (select()) res = RES_OK;
break;
case GET_SECTOR_COUNT: /* Get drive capacity in unit of sector (DWORD) */
if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) {
if ((csd[0] >> 6) == 1) { /* SDC ver 2.00 */
csize = csd[9] + ((WORD)csd[8] << 8) + ((DWORD)(csd[7] & 63) << 16) + 1;
*(DWORD*)buff = csize << 10;
} else { /* SDC ver 1.XX or MMC ver 3 */
n = (csd[5] & 15) + ((csd[10] & 128) >> 7) + ((csd[9] & 3) << 1) + 2;
csize = (csd[8] >> 6) + ((WORD)csd[7] << 2) + ((WORD)(csd[6] & 3) << 10) + 1;
*(DWORD*)buff = csize << (n - 9);
}
res = RES_OK;
}
break;
case GET_BLOCK_SIZE: /* Get erase block size in unit of sector (DWORD) */
if (CardType & CT_SD2) { /* SDC ver 2.00 */
if (send_cmd(ACMD13, 0) == 0) { /* Read SD status */
xchg_spi(0xFF);
if (rcvr_datablock(csd, 16)) { /* Read partial block */
for (n = 64 - 16; n; n--) xchg_spi(0xFF); /* Purge trailing data */
*(DWORD*)buff = 16UL << (csd[10] >> 4);
res = RES_OK;
}
}
} else { /* SDC ver 1.XX or MMC */
if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) { /* Read CSD */
if (CardType & CT_SD1) { /* SDC ver 1.XX */
*(DWORD*)buff = (((csd[10] & 63) << 1) + ((WORD)(csd[11] & 128) >> 7) + 1) << ((csd[13] >> 6) - 1);
} else { /* MMC */
*(DWORD*)buff = ((WORD)((csd[10] & 124) >> 2) + 1) * (((csd[11] & 3) << 3) + ((csd[11] & 224) >> 5) + 1);
}
res = RES_OK;
}
}
break;
case CTRL_TRIM: /* Erase a block of sectors (used when _USE_TRIM in ffconf.h is 1) */
if (!(CardType & CT_SDC)) break; /* Check if the card is SDC */
if (disk_ioctl(drv, MMC_GET_CSD, csd)) break; /* Get CSD */
if (!(csd[0] >> 6) && !(csd[10] & 0x40)) break; /* Check if sector erase can be applied to the card */
dp = buff; st = dp[0]; ed = dp[1]; /* Load sector block */
if (!(CardType & CT_BLOCK)) {
st *= 512; ed *= 512;
}
if (send_cmd(CMD32, st) == 0 && send_cmd(CMD33, ed) == 0 && send_cmd(CMD38, 0) == 0 && wait_ready(30000)) { /* Erase sector block */
res = RES_OK; /* FatFs does not check result of this command */
}
break;
/* Following commands are never used by FatFs module */
case MMC_GET_TYPE: /* Get MMC/SDC type (BYTE) */
*ptr = CardType;
res = RES_OK;
break;
case MMC_GET_CSD: /* Read CSD (16 bytes) */
if (send_cmd(CMD9, 0) == 0 && rcvr_datablock(ptr, 16)) { /* READ_CSD */
res = RES_OK;
}
break;
case MMC_GET_CID: /* Read CID (16 bytes) */
if (send_cmd(CMD10, 0) == 0 && rcvr_datablock(ptr, 16)) { /* READ_CID */
res = RES_OK;
}
break;
case MMC_GET_OCR: /* Read OCR (4 bytes) */
if (send_cmd(CMD58, 0) == 0) { /* READ_OCR */
for (n = 4; n; n--) *ptr++ = xchg_spi(0xFF);
res = RES_OK;
}
break;
case MMC_GET_SDSTAT: /* Read SD status (64 bytes) */
if (send_cmd(ACMD13, 0) == 0) { /* SD_STATUS */
xchg_spi(0xFF);
if (rcvr_datablock(ptr, 64)) res = RES_OK;
}
break;
#if _DISKIO_ISDIO
case ISDIO_READ:
sdio = buff;
if (send_cmd(CMD48, 0x80000000 | sdio->func << 28 | sdio->addr << 9 | ((sdio->ndata - 1) & 0x1FF)) == 0) {
for (Timer1 = 1000; (rc = xchg_spi(0xFF)) == 0xFF && Timer1; ) ;
if (rc == 0xFE) {
for (buf = sdio->data, dc = sdio->ndata; dc; dc--) *buf++ = xchg_spi(0xFF);
for (dc = 514 - sdio->ndata; dc; dc--) xchg_spi(0xFF);
res = RES_OK;
}
}
break;
case ISDIO_WRITE:
sdio = buff;
if (send_cmd(CMD49, 0x80000000 | sdio->func << 28 | sdio->addr << 9 | ((sdio->ndata - 1) & 0x1FF)) == 0) {
xchg_spi(0xFF); xchg_spi(0xFE);
for (buf = sdio->data, dc = sdio->ndata; dc; dc--) xchg_spi(*buf++);
for (dc = 514 - sdio->ndata; dc; dc--) xchg_spi(0xFF);
if ((xchg_spi(0xFF) & 0x1F) == 0x05) res = RES_OK;
}
break;
case ISDIO_MRITE:
sdio = buff;
if (send_cmd(CMD49, 0x84000000 | sdio->func << 28 | sdio->addr << 9 | sdio->ndata >> 8) == 0) {
xchg_spi(0xFF); xchg_spi(0xFE);
xchg_spi(sdio->ndata);
for (dc = 513; dc; dc--) xchg_spi(0xFF);
if ((xchg_spi(0xFF) & 0x1F) == 0x05) res = RES_OK;
}
break;
#endif
default:
res = RES_PARERR;
}
deselect();
return res;
}
#endif
/*-----------------------------------------------------------------------*/
/* Device timer function */
/*-----------------------------------------------------------------------*/
/* This function must be called from timer interrupt routine in period
/ of 1 ms to generate card control timing.
*/
void disk_timerproc (void)
{
WORD n;
BYTE s;
n = Timer1; /* 1kHz decrement timer stopped at 0 */
if (n) Timer1 = --n;
n = Timer2;
if (n) Timer2 = --n;
s = Stat;
if (MMC_WP) { /* Write protected */
s |= STA_PROTECT;
} else { /* Write enabled */
s &= ~STA_PROTECT;
}
//if (MMC_CD) { /* Card is in socket */
s &= ~STA_NODISK;
//} else { /* Socket empty */
// s |= (STA_NODISK | STA_NOINIT);
//}
Stat = s;
}

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frameworks/CMSIS/LPC1768/lib/chanfs/rtc176x.c Normal file
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/*------------------------------------------------------------------------/
/ LPC176x RTC control module
/-------------------------------------------------------------------------/
/
/ Copyright (C) 2011, ChaN, all right reserved.
/
/ * This software is a free software and there is NO WARRANTY.
/ * No restriction on use. You can use, modify and redistribute it for
/ personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
/
/-------------------------------------------------------------------------*/
#include "rtc176x.h"
int rtc_initialize (void)
{
/* Enable PCLK to the RTC */
__set_PCONP(PCRTC, 1);
/* Start RTC with external XTAL */
RTC_CCR = 0x11;
return 1;
}
int rtc_gettime (RTC *rtc) /* 1:RTC valid, 0:RTC volatiled */
{
DWORD d, t;
do {
t = RTC_CTIME0;
d = RTC_CTIME1;
} while (t != RTC_CTIME0 || d != RTC_CTIME1);
if (RTC_AUX & _BV(4)) { /* If power fail has been detected, return default time. */
rtc->sec = 0; rtc->min = 0; rtc->hour = 0;
rtc->wday = 0; rtc->mday = 1; rtc->month = 1; rtc->year = 2014;
return 0;
}
rtc->sec = t & 63;
rtc->min = (t >> 8) & 63;
rtc->hour = (t >> 16) & 31;
rtc->wday = (t >> 24) & 7;
rtc->mday = d & 31;
rtc->month = (d >> 8) & 15;
rtc->year = (d >> 16) & 4095;
return 1;
}
int rtc_settime (const RTC *rtc)
{
RTC_CCR = 0x12; /* Stop RTC */
/* Update RTC registers */
RTC_SEC = rtc->sec;
RTC_MIN = rtc->min;
RTC_HOUR = rtc->hour;
RTC_DOW = rtc->wday;
RTC_DOM = rtc->mday;
RTC_MONTH = rtc->month;
RTC_YEAR = rtc->year;
RTC_AUX = _BV(4); /* Clear power fail flag */
RTC_CCR = 0x11; /* Restart RTC, Disable calibration feature */
return 1;
}
DWORD get_fattime (void) {
RTC rtc;
/* Get local time */
rtc_gettime(&rtc);
/* Pack date and time into a DWORD variable */
return ((DWORD)(rtc.year - 1980) << 25)
| ((DWORD)rtc.month << 21)
| ((DWORD)rtc.mday << 16)
| ((DWORD)rtc.hour << 11)
| ((DWORD)rtc.min << 5)
| ((DWORD)rtc.sec >> 1);
}

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frameworks/CMSIS/LPC1768/lib/chanfs/rtc176x.h Normal file
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#ifndef _RTC_DEFINED
#define _RTC_DEFINE
#include "integer.h"
#include "LPC176x.h"
typedef struct {
WORD year; /* 1..4095 */
BYTE month; /* 1..12 */
BYTE mday; /* 1.. 31 */
BYTE wday; /* 1..7 */
BYTE hour; /* 0..23 */
BYTE min; /* 0..59 */
BYTE sec; /* 0..59 */
} RTC;
int rtc_initialize (void); /* Initialize RTC */
int rtc_gettime (RTC*); /* Get time */
int rtc_settime (const RTC*); /* Set time */
DWORD get_fattime (void);
#endif