X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Fpffs.h;h=5849fa7576b8de07c972c50ee96ac95fcfede1af;hp=a37876e8336289e9d2ef9e8fa084cd5530ccc2bb;hb=6a1c483e9c2da2e1affde2a7f3b40ff1c3b09a5f;hpb=476b73692511eeed9602d71e773da5ab24831b74

diff --git a/betty/pffs.h b/betty/pffs.h
index a37876e..5849fa7 100644
--- a/betty/pffs.h
+++ b/betty/pffs.h
@@ -15,6 +15,7 @@
 /* defines */
 #define PFFS_MAX_FILENAME_SIZE	15		// in words
 #define PFFS_HEADER_SIZE	3		// in words
+#define PFFS_MAX_FILE_SIZE	0xffff
 
 /* general pffs system */
 #define PFFS_INDEX_FOUND	0x00
@@ -32,11 +33,13 @@
 #define PFFS_INDEX_MAGIC_MASK	0xf000
 #define PFFS_STATE_MASK		0x0f00
 #define PFFS_FNLEN_MASK		0x00f0
-#define PFFS_LEN_MSB_MASK	0x000f
+#define PFFS_ADDR_MSB_MASK	0x000f
 
 #define PFFS_INDEX_MAGIC	0x7000
 #define PFFS_INDEX_REMOVED	0x0700
 
+#define PFFS_ADDR_MSB		
+
 /* file modes */
 #define PFFS_READ		0x01
 #define PFFS_WRITE		0x02
@@ -48,11 +51,13 @@
 #define PFFS_SEEK_END		0x03
 
 /* pffs open / write / read return codes */
-#define PFFS_FILE_FOUND		0x01
-#define PFFS_FILE_NOT_FOUND	0x02
-#define PFFS_NO_SPACE_LEFT	0x04
-#define PFFS_FILENAME_TOO_LONG	0x08
-#define PFFS_MODE_UNSUPPORTED	0x10
+#define PFFS_FILE_FOUND			0x01
+#define PFFS_FILE_NOT_FOUND		0x02
+#define PFFS_NO_SPACE_LEFT		0x04
+#define PFFS_FILENAME_TOO_LONG		0x08
+#define PFFS_MODE_UNSUPPORTED		0x10
+#define PFFS_NO_INDEX_SPACE_LEFT	0x20
+#define PFFS_INDEX_WROTE_INIT		0x40
 
 #define PFFS_INVALID_LEN	0x01
 #define PFFS_EINVAL		0x02
@@ -61,10 +66,9 @@
 
 typedef struct s_pffs {
 	/* flash specs */
-	u32 base_addr;
-	u32 *sec_addr;
-	u8 sec_num_data[2];		// first/last sector used for data
-	u8 sec_num_index[2];		// 2 sectors used as an index
+	u32 base_addr;			// base flash access address
+	u32 *sec_addr;			// pointer to sector addresses
+	u8 sec_num;			// number of sectors
 
 	/* flash write, read and sector erase function pointers */
 	int (*fw)(u32 addr,u16 *buf,int len);
@@ -73,22 +77,37 @@ typedef struct s_pffs {
 
 	/* pffs internal variables */
 	u8 state;
-	u8 index_sec;			// current index sector
 	u8 data_tmp_sec;		// current temp data sector
 } t_pffs;
 
 typedef struct s_pffs_fd {
-	u32 daddr;
-	u32 dptr;
-	u32 iaddr;
-	u16 len;
-	char file[PFFS_MAX_FILENAME_SIZE+PFFS_MAX_FILENAME_SIZE];
-	u8 fn_size;
-	u8 mode;
-	t_pffs *pffs;
+	u32 daddr;			// data start address
+	u8 data_sec;			// current data sector
+	u32 dptr;			// data pointer
+	u32 iaddr;			// index address
+	u16 len;			// file size
+	char file[PFFS_MAX_FILENAME_SIZE+PFFS_MAX_FILENAME_SIZE]; // the file
+	u8 fn_size;			// file name size
+	u8 mode;			// mode, eg: write, read
+	t_pffs *pffs;			// pointer to the pffs main struct
 } t_pffs_fd;
 
-/* function prototypes */
+typedef struct s_pffs_sector_header {
+	u32 wear_level;			// program / erase cycles
+}
+
+typedef struct s_pffs_file_header {
+	u32 file_len;			// length of files in ?
+	u32 file_cont;			// continued file addr
+	u8 file_name_len;		// lenght of the filename in words
+}
+
+/* function prototypes (only the ones applications should use!) */
+int pffs_flash_register(t_pffs *pffs,u32 base_addr,u32 *sec_addr,u8 sec_num,
+                        int (*fw)(u32 addr,u16 *buf,int len),
+                        int (*fr)(u32 addr,u16 *buf,int len),
+                        int (*fe)(u32 addr));
+int pffs_init(t_pffs *pffs);
 int pffs_open(t_pffs *pffs,t_pffs_fd *fd,char *file,u8 mode);
 int pffs_write(t_pffs_fd *fd,u8 *buf,int len);
 int pffs_read(t_pffs_fd *fd,u8 *buf,int len);