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pvvx 2017-04-22 16:54:00 +03:00
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project/inc/webfs/webfs.h Normal file
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/*********************************************************************
*
* FileName: WEBFS.h
* Basis of MPFS2 (Microchip File System).
* WEBFS has its differences Based.
*
********************************************************************/
#ifndef __WEBFS1_H
#define __WEBFS1_H
#include "flash_eep.h"
extern uint32 _irom0_text_end;
#define WEBFS_DISK_FADDR 0x0D0000
#define WEBFS_DISK_ID 0x42455746 // заголовок WEBFiles.bin
#define WEBFS_DISK_VER 0x0001 // версия
#define MAX_FILE_NAME_SIZE 64
#ifndef MAX_WEBFS_OPENFILES
#define MAX_WEBFS_OPENFILES 31
#endif
#define WEBFS_FLAG_ISZIPPED 0x0001 // Indicates a file is compressed with GZIP compression
#define WEBFS_FLAG_HASINDEX 0x0002 // Indicates a file has an associated index of dynamic variables
#define WEBFS_INVALID 0xffffffff // Indicates a position pointer is invalid
#define WEBFS_INVALID_FAT 0xffff // Indicates an invalid FAT cache
typedef uint32 WEBFS_PTR; // WEBFS Pointers are currently uint32s
typedef uint8 WEBFS_HANDLE; // WEBFS Handles are currently stored as uint8s
#define WEBFS_INVALID_HANDLE 0xff // Indicates that a handle is not valid
// Stores each file handle's information
// Handles are free when addr = WEBFS_INVALID
typedef struct
{
WEBFS_PTR addr; // Current address in the file system
uint32 bytesRem; // How many uint8s remain in this file
#ifdef USE_MAX_IRAM
uint32 fatID; // ID of which file in the FAT was accessed
#else
uint16 fatID; // ID of which file in the FAT was accessed
#endif
} WEBFS_STUB;
// Indicates the method for WEBFSSeek
typedef enum
{
WEBFS_SEEK_START = 0, // Seek forwards from the front of the file
WEBFS_SEEK_END, // Seek backwards from the end of the file
WEBFS_SEEK_FORWARD, // Seek forward from the current position
WEBFS_SEEK_REWIND // See backwards from the current position
} WEBFS_SEEK_MODE;
typedef struct __attribute__((packed))
{
uint32 id;
uint16 ver;
uint16 numFiles;
uint32 disksize;
} WEBFS_DISK_HEADER ;
typedef struct __attribute__((packed))
{
uint32 blksize; // Length of file data - headlen
uint16 headlen; // headlen (Length of File Name + 0)
uint16 flags; // Flags for this file
} WEBFS_FHEADER;
// Stores the data for an WEBFS1 FAT record
typedef struct
{
uint32 string; // Pointer to the file name
uint32 data; // Address of the file data
uint32 len; // Length of file data
#ifdef USE_MAX_IRAM
uint32 flags; // Flags for this file
#else
uint16 flags; // Flags for this file
#endif
} WEBFS_FAT_RECORD ;
void WEBFSInit(void);
WEBFS_HANDLE WEBFSOpen(uint8* cFile);
void WEBFSClose(WEBFS_HANDLE hWEBFS);
uint16 WEBFSGetArray(WEBFS_HANDLE hWEBFS, uint8* cData, uint16 wLen);
uint16 WEBFSGetFlags(WEBFS_HANDLE hWEBFS);
uint32 WEBFSGetSize(WEBFS_HANDLE hWEBFS);
uint32 WEBFSGetBytesRem(WEBFS_HANDLE hWEBFS);
WEBFS_PTR WEBFSGetStartAddr(WEBFS_HANDLE hWEBFS);
WEBFS_PTR WEBFSGetEndAddr(WEBFS_HANDLE hWEBFS);
bool WEBFSGetFilename(WEBFS_HANDLE hWEBFS, uint8* cName, uint16 wLen);
uint32 WEBFSGetPosition(WEBFS_HANDLE hWEBFS);
uint32 WEBFS_max_size(void);
uint32 WEBFS_curent_size(void);
uint32 WEBFS_base_addr(void);
#ifdef USE_MAX_IRAM
extern int isWEBFSLocked; // Lock WEBFS access during the upgrade
extern uint32 numFiles;
#else
extern volatile bool isWEBFSLocked; // Lock WEBFS access during the upgrade
extern uint16 numFiles;
#endif
extern WEBFS_FAT_RECORD fatCache;
extern WEBFS_STUB WEBFSStubs[MAX_WEBFS_OPENFILES+1];
extern uint32 disk_base_addr;
#endif