Diff: fat.h

Revision:

0:28557a4d2215

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fat.h	Mon Aug 22 05:48:51 2011 +0000
@@ -0,0 +1,31 @@
+#ifndef _FAT_H_INCLUDED
+#define _FAT_H_INCLUDED
+
+struct file2TYPE
+{
+    unsigned char    name[12];           /*name of file*/
+    unsigned char    name_lfn[27];         /*name of file according the long-file-name information*/
+    unsigned short    entry;                /*file-entry index in directory table*/
+    unsigned short    sec;                  /*sector index in file*/
+    unsigned short    len;                /*total number of sectors in file, 0 if not a file*/
+    unsigned long    size;                /*filesize in bytes*/
+    unsigned short    cluster;            /*current cluster*/    
+};
+
+/*functions*/
+unsigned char FindDrive(void);
+unsigned char FileSearch(struct file2TYPE *file, unsigned char mode);    /*attention: screws up secbuf!!*/
+unsigned char OpenSubDirectory(struct file2TYPE *file);
+unsigned char FileSectorScan(struct file2TYPE *file);
+unsigned char FileNextSector(struct file2TYPE *file);                    /*attention: screws up databuffer!!*/
+unsigned char FileReadSector(struct file2TYPE *file);                    /*attention: secbuf is valid after this command*/
+unsigned char FileReadSector_X(struct file2TYPE *file, unsigned long block);
+unsigned char FileRead_X_Bytes(struct file2TYPE *file, unsigned long startaddress, unsigned int NmbrOfBytes);
+unsigned char FileWriteSector_X(struct file2TYPE *file, unsigned long block);
+
+#define        ERROR_FAT_READBOOTSECTOR        30
+#define        ERROR_FAT_JUMPOPCODE            31
+#define        ERROR_FAT_BLOCKSIZE                32
+#define        ERROR_FAT_MEDIUM                33
+
+#endif