/* LUFA Library Copyright (C) Dean Camera, 2012. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. */ /** \file * * USB Device Descriptors, for library use when in USB device mode. Descriptors are special * computer-readable structures which the host requests upon device enumeration, to determine * the device's capabilities and functions. */ #include "Descriptors.h" /** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall * device characteristics, including the supported USB version, control endpoint size and the * number of device configurations. The descriptor is read out by the USB host when the enumeration * process begins. */ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor = { .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device}, .USBSpecification = VERSION_BCD(01.10), .Class = CDC_CSCP_CDCClass, .SubClass = CDC_CSCP_NoSpecificSubclass, .Protocol = CDC_CSCP_NoSpecificProtocol, .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE, .VendorID = 0x03EB, .ProductID = 0x2044, .ReleaseNumber = VERSION_BCD(00.01), .ManufacturerStrIndex = 0x01, .ProductStrIndex = 0x02, .SerialNumStrIndex = USE_INTERNAL_SERIAL, .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS }; /** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage * of the device in one of its supported configurations, including information about any device interfaces * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting * a configuration so that the host may correctly communicate with the USB device. */ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor = { .Config = { .Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration}, .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t), .TotalInterfaces = 2, .ConfigurationNumber = 1, .ConfigurationStrIndex = NO_DESCRIPTOR, .ConfigAttributes = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED), .MaxPowerConsumption = USB_CONFIG_POWER_MA(100) }, .CDC_CCI_Interface = { .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, .InterfaceNumber = 0, .AlternateSetting = 0, .TotalEndpoints = 1, .Class = CDC_CSCP_CDCClass, .SubClass = CDC_CSCP_ACMSubclass, .Protocol = CDC_CSCP_ATCommandProtocol, .InterfaceStrIndex = NO_DESCRIPTOR }, .CDC_Functional_Header = { .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = DTYPE_CSInterface}, .Subtype = CDC_DSUBTYPE_CSInterface_Header, .CDCSpecification = VERSION_BCD(01.10), }, .CDC_Functional_ACM = { .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = DTYPE_CSInterface}, .Subtype = CDC_DSUBTYPE_CSInterface_ACM, .Capabilities = 0x06, }, .CDC_Functional_Union = { .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = DTYPE_CSInterface}, .Subtype = CDC_DSUBTYPE_CSInterface_Union, .MasterInterfaceNumber = 0, .SlaveInterfaceNumber = 1, }, .CDC_NotificationEndpoint = { .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, .EndpointAddress = CDC_NOTIFICATION_EPADDR, .Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), .EndpointSize = CDC_NOTIFICATION_EPSIZE, .PollingIntervalMS = 0xFF }, .CDC_DCI_Interface = { .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, .InterfaceNumber = 1, .AlternateSetting = 0, .TotalEndpoints = 2, .Class = CDC_CSCP_CDCDataClass, .SubClass = CDC_CSCP_NoDataSubclass, .Protocol = CDC_CSCP_NoDataProtocol, .InterfaceStrIndex = NO_DESCRIPTOR }, .CDC_DataOutEndpoint = { .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, .EndpointAddress = CDC_RX_EPADDR, .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), .EndpointSize = CDC_TXRX_EPSIZE, .PollingIntervalMS = 0x05 }, .CDC_DataInEndpoint = { .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, .EndpointAddress = CDC_TX_EPADDR, .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), .EndpointSize = CDC_TXRX_EPSIZE, .PollingIntervalMS = 0x05 } }; /** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate * via the language ID table available at USB.org what languages the device supports for its string descriptors. */ const USB_Descriptor_String_t PROGMEM LanguageString = { .Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String}, .UnicodeString = {LANGUAGE_ID_ENG} }; /** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable * form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device * Descriptor. */ const USB_Descriptor_String_t PROGMEM ManufacturerString = { .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String}, .UnicodeString = L"Dean Camera" }; /** Product descriptor string. This is a Unicode string containing the product's details in human readable form, * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device * Descriptor. */ const USB_Descriptor_String_t PROGMEM ProductString = { .Header = {.Size = USB_STRING_LEN(12), .Type = DTYPE_String}, .UnicodeString = L"LED Notifier" }; /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors" * documentation) by the application code so that the address and size of a requested descriptor can be given * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the * USB host. */ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, const void** const DescriptorAddress) { const uint8_t DescriptorType = (wValue >> 8); const uint8_t DescriptorNumber = (wValue & 0xFF); const void* Address = NULL; uint16_t Size = NO_DESCRIPTOR; switch (DescriptorType) { case DTYPE_Device: Address = &DeviceDescriptor; Size = sizeof(USB_Descriptor_Device_t); break; case DTYPE_Configuration: Address = &ConfigurationDescriptor; Size = sizeof(USB_Descriptor_Configuration_t); break; case DTYPE_String: switch (DescriptorNumber) { case 0x00: Address = &LanguageString; Size = pgm_read_byte(&LanguageString.Header.Size); break; case 0x01: Address = &ManufacturerString; Size = pgm_read_byte(&ManufacturerString.Header.Size); break; case 0x02: Address = &ProductString; Size = pgm_read_byte(&ProductString.Header.Size); break; } break; } *DescriptorAddress = Address; return Size; } 64 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337
/*---------------------------------------------------------------------------/
/  FatFs - FAT file system module include file  R0.09a    (C)ChaN, 2012
/----------------------------------------------------------------------------/
/ FatFs module is a generic FAT file system module for small embedded systems.
/ This is a free software that opened for education, research and commercial
/ developments under license policy of following terms.
/
/  Copyright (C) 2012, ChaN, all right reserved.
/
/ * The FatFs module 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 product UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
/
/----------------------------------------------------------------------------*/

#ifndef _FATFS
#define _FATFS	4004	/* Revision ID */

#ifdef __cplusplus
extern "C" {
#endif

#include "integer.h"	/* Basic integer types */
#include "ffconf.h"		/* FatFs configuration options */

#if _FATFS != _FFCONF
#error Wrong configuration file (ffconf.h).
#endif



/* Definitions of volume management */

#if _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 */
#define LD2PD(vol) (VolToPart[vol].pd)	/* Get physical drive number */
#define LD2PT(vol) (VolToPart[vol].pt)	/* Get partition index */

#else							/* Single partition configuration */
#define LD2PD(vol) (BYTE)(vol)	/* Each logical drive is bound to the same physical drive number */
#define LD2PT(vol) 0			/* Always mounts the 1st partition or in SFD */

#endif



/* Type of path name strings on FatFs API */

#if _LFN_UNICODE			/* Unicode string */
#if !_USE_LFN
#error _LFN_UNICODE must be 0 in non-LFN cfg.
#endif
#ifndef _INC_TCHAR
typedef WCHAR TCHAR;
#define _T(x) L ## x
#define _TEXT(x) L ## x
#endif

#else						/* ANSI/OEM string */
#ifndef _INC_TCHAR
typedef char TCHAR;
#define _T(x) x
#define _TEXT(x) x
#endif

#endif



/* File system object structure (FATFS) */

typedef struct {
	BYTE	fs_type;		/* FAT sub-type (0:Not mounted) */
	BYTE	drv;			/* Physical drive number */
	BYTE	csize;			/* Sectors per cluster (1,2,4...128) */
	BYTE	n_fats;			/* Number of FAT copies (1,2) */
	BYTE	wflag;			/* win[] dirty flag (1:must be written back) */
	BYTE	fsi_flag;		/* fsinfo dirty flag (1:must be written back) */
	WORD	id;				/* File system mount ID */
	WORD	n_rootdir;		/* Number of root directory entries (FAT12/16) */
#if _MAX_SS != 512
	WORD	ssize;			/* Bytes per sector (512, 1024, 2048 or 4096) */
#endif
#if _FS_REENTRANT
	_SYNC_t	sobj;			/* Identifier of sync object */
#endif
#if !_FS_READONLY
	DWORD	last_clust;		/* Last allocated cluster */
	DWORD	free_clust;		/* Number of free clusters */
	DWORD	fsi_sector;		/* fsinfo sector (FAT32) */
#endif
#if _FS_RPATH
	DWORD	cdir;			/* Current directory start cluster (0:root) */
#endif
	DWORD	n_fatent;		/* Number of FAT entries (= number of clusters + 2) */
	DWORD	fsize;			/* Sectors per FAT */
	DWORD	fatbase;		/* FAT start sector */
	DWORD	dirbase;		/* Root directory start sector (FAT32:Cluster#) */
	DWORD	database;		/* Data start sector */
	DWORD	winsect;		/* Current sector appearing in the win[] */
	BYTE	win[_MAX_SS];	/* Disk access window for Directory, FAT (and Data on tiny cfg) */
} FATFS;



/* File object structure (FIL) */

typedef struct {
	FATFS*	fs;				/* Pointer to the related file system object */
	WORD	id;				/* File system mount ID of the related file system object */
	BYTE	flag;			/* File status flags */
	BYTE	pad1;
	DWORD	fptr;			/* File read/write pointer (0ed on file open) */
	DWORD	fsize;			/* File size */
	DWORD	sclust;			/* File data start cluster (0:no data cluster, always 0 when fsize is 0) */
	DWORD	clust;			/* Current cluster of fpter */
	DWORD	dsect;			/* Current data sector of fpter */
#if !_FS_READONLY
	DWORD	dir_sect;		/* Sector containing the directory entry */
	BYTE*	dir_ptr;		/* Pointer to the directory entry in the window */
#endif
#if _USE_FASTSEEK
	DWORD*	cltbl;			/* Pointer to the cluster link map table (null on file open) */
#endif
#if _FS_LOCK
	UINT	lockid;			/* File lock ID (index of file semaphore table Files[]) */
#endif
#if !_FS_TINY
	BYTE	buf[_MAX_SS];	/* File data read/write buffer */
#endif
} FIL;



/* Directory object structure (DIR) */

typedef struct {
	FATFS*	fs;				/* Pointer to the owner file system object */
	WORD	id;				/* Owner file system mount ID */
	WORD	index;			/* Current read/write index number */
	DWORD	sclust;			/* Table start cluster (0:Root dir) */
	DWORD	clust;			/* Current cluster */
	DWORD	sect;			/* Current sector */
	BYTE*	dir;			/* Pointer to the current SFN entry in the win[] */
	BYTE*	fn;				/* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
#if _USE_LFN
	WCHAR*	lfn;			/* Pointer to the LFN working buffer */
	WORD	lfn_idx;		/* Last matched LFN index number (0xFFFF:No LFN) */
#endif
} DIR;



/* File status structure (FILINFO) */

typedef struct {
	DWORD	fsize;			/* File size */
	WORD	fdate;			/* Last modified date */
	WORD	ftime;			/* Last modified time */
	BYTE	fattrib;		/* Attribute */
	TCHAR	fname[13];		/* Short file name (8.3 format) */
#if _USE_LFN
	TCHAR*	lfname;			/* Pointer to the LFN buffer */
	UINT 	lfsize;			/* Size of LFN buffer in TCHAR */
#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 parameter error */
	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 > _FS_SHARE */
	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */
} FRESULT;



/*--------------------------------------------------------------*/
/* FatFs module application interface                           */

FRESULT f_mount (BYTE, FATFS*);						/* Mount/Unmount a logical drive */
FRESULT f_open (FIL*, const TCHAR*, BYTE);			/* Open or create a file */
FRESULT f_read (FIL*, void*, UINT, UINT*);			/* Read data from a file */
FRESULT f_lseek (FIL*, DWORD);						/* Move file pointer of a file object */
FRESULT f_close (FIL*);								/* Close an open file object */
FRESULT f_opendir (DIR*, const TCHAR*);				/* Open an existing directory */
FRESULT f_readdir (DIR*, FILINFO*);					/* Read a directory item */
FRESULT f_stat (const TCHAR*, FILINFO*);			/* Get file status */
FRESULT f_write (FIL*, const void*, UINT, UINT*);	/* Write data to a file */
FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**);	/* Get number of free clusters on the drive */
FRESULT f_truncate (FIL*);							/* Truncate file */
FRESULT f_sync (FIL*);								/* Flush cached data of a writing file */
FRESULT f_unlink (const TCHAR*);					/* Delete an existing file or directory */
FRESULT	f_mkdir (const TCHAR*);						/* Create a new directory */
FRESULT f_chmod (const TCHAR*, BYTE, BYTE);			/* Change attribute of the file/dir */
FRESULT f_utime (const TCHAR*, const FILINFO*);		/* Change times-tamp of the file/dir */
FRESULT f_rename (const TCHAR*, const TCHAR*);		/* Rename/Move a file or directory */
FRESULT f_chdrive (BYTE);							/* Change current drive */
FRESULT f_chdir (const TCHAR*);						/* Change current directory */
FRESULT f_getcwd (TCHAR*, UINT);					/* Get current directory */
FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*);	/* Forward data to the stream */
FRESULT f_mkfs (BYTE, BYTE, UINT);					/* Create a file system on the drive */
FRESULT	f_fdisk (BYTE, const DWORD[], void*);		/* Divide a physical drive into some partitions */
int f_putc (TCHAR, FIL*);							/* Put a character to the file */
int f_puts (const TCHAR*, FIL*);					/* Put a string to the file */
int f_printf (FIL*, const TCHAR*, ...);				/* Put a formatted string to the file */
TCHAR* f_gets (TCHAR*, int, FIL*);					/* Get a string from the file */

#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
#define f_tell(fp) ((fp)->fptr)
#define f_size(fp) ((fp)->fsize)

#ifndef EOF
#define EOF (-1)
#endif




/*--------------------------------------------------------------*/
/* Additional user defined functions                            */

/* RTC function */
#if !_FS_READONLY
DWORD get_fattime (void);
#endif

/* Unicode support functions */
#if _USE_LFN						/* Unicode - OEM code conversion */
WCHAR ff_convert (WCHAR, UINT);		/* OEM-Unicode bidirectional conversion */
WCHAR ff_wtoupper (WCHAR);			/* Unicode upper-case conversion */
#if _USE_LFN == 3					/* Memory functions */
void* ff_memalloc (UINT);			/* Allocate memory block */
void ff_memfree (void*);			/* Free memory block */
#endif
#endif

/* Sync functions */
#if _FS_REENTRANT
int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
int ff_req_grant (_SYNC_t);			/* Lock sync object */
void ff_rel_grant (_SYNC_t);		/* Unlock sync object */
int ff_del_syncobj (_SYNC_t);		/* Delete a sync object */
#endif




/*--------------------------------------------------------------*/
/* Flags and offset address                                     */


/* File access control and file status flags (FIL.flag) */

#define	FA_READ				0x01
#define	FA_OPEN_EXISTING	0x00
#define FA__ERROR			0x80

#if !_FS_READONLY
#define	FA_WRITE			0x02
#define	FA_CREATE_NEW		0x04
#define	FA_CREATE_ALWAYS	0x08
#define	FA_OPEN_ALWAYS		0x10
#define FA__WRITTEN			0x20
#define FA__DIRTY			0x40
#endif


/* FAT sub type (FATFS.fs_type) */

#define FS_FAT12	1
#define FS_FAT16	2
#define FS_FAT32	3


/* File attribute bits for directory entry */

#define	AM_RDO	0x01	/* Read only */
#define	AM_HID	0x02	/* Hidden */
#define	AM_SYS	0x04	/* System */
#define	AM_VOL	0x08	/* Volume label */
#define AM_LFN	0x0F	/* LFN entry */
#define AM_DIR	0x10	/* Directory */
#define AM_ARC	0x20	/* Archive */
#define AM_MASK	0x3F	/* Mask of defined bits */


/* Fast seek feature */
#define CREATE_LINKMAP	0xFFFFFFFF



/*--------------------------------*/
/* Multi-byte word access macros  */

#if _WORD_ACCESS == 1	/* Enable word access to the FAT structure */
#define	LD_WORD(ptr)		(WORD)(*(WORD*)(BYTE*)(ptr))
#define	LD_DWORD(ptr)		(DWORD)(*(DWORD*)(BYTE*)(ptr))
#define	ST_WORD(ptr,val)	*(WORD*)(BYTE*)(ptr)=(WORD)(val)
#define	ST_DWORD(ptr,val)	*(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
#else					/* Use byte-by-byte access to the FAT structure */
#define	LD_WORD(ptr)		(WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
#define	LD_DWORD(ptr)		(DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
#define	ST_WORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
#define	ST_DWORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8); *((BYTE*)(ptr)+2)=(BYTE)((DWORD)(val)>>16); *((BYTE*)(ptr)+3)=(BYTE)((DWORD)(val)>>24)
#endif

#ifdef __cplusplus
}
#endif

#endif /* _FATFS */