SD Card Interface class. Log raw data bytes to memory addresses of your choice, or format the card and use the FAT file system to write files.

Dependencies:   mbed

Committer:
Blaze513
Date:
Sun Jan 16 09:20:30 2011 +0000
Revision:
6:ddf09d859ed7
Parent:
4:9a5878d316d5
gave access to Initialization function to FAT module.
added disk formatting functionality.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Blaze513 4:9a5878d316d5 1 /* mbed Microcontroller Library - FATDirHandle
Blaze513 4:9a5878d316d5 2 Copyright (c) 2008, sford */
Blaze513 4:9a5878d316d5 3
Blaze513 4:9a5878d316d5 4 //Modified by Thomas Hamilton, Copyright 2010
Blaze513 4:9a5878d316d5 5
Blaze513 4:9a5878d316d5 6 #include "FATDirHandle.h"
Blaze513 4:9a5878d316d5 7
Blaze513 4:9a5878d316d5 8 FATDirHandle::FATDirHandle(FAT_DIR InputDirStr)
Blaze513 4:9a5878d316d5 9 {
Blaze513 4:9a5878d316d5 10 DirectoryObject = InputDirStr;
Blaze513 4:9a5878d316d5 11 }
Blaze513 4:9a5878d316d5 12
Blaze513 4:9a5878d316d5 13 int FATDirHandle::closedir()
Blaze513 4:9a5878d316d5 14 {
Blaze513 4:9a5878d316d5 15 delete this;
Blaze513 4:9a5878d316d5 16 return 0;
Blaze513 4:9a5878d316d5 17 }
Blaze513 4:9a5878d316d5 18
Blaze513 4:9a5878d316d5 19 struct dirent* FATDirHandle::readdir()
Blaze513 4:9a5878d316d5 20 {
Blaze513 4:9a5878d316d5 21 FILINFO FileInfo;
Blaze513 4:9a5878d316d5 22 FRESULT Result = f_readdir(&DirectoryObject, &FileInfo);
Blaze513 4:9a5878d316d5 23 if (Result || !FileInfo.fname[0])
Blaze513 4:9a5878d316d5 24 {
Blaze513 4:9a5878d316d5 25 return NULL;
Blaze513 4:9a5878d316d5 26 }
Blaze513 4:9a5878d316d5 27 else
Blaze513 4:9a5878d316d5 28 {
Blaze513 4:9a5878d316d5 29 for (unsigned char i = 0; i < 13; i++)
Blaze513 4:9a5878d316d5 30 {
Blaze513 4:9a5878d316d5 31 CurrentEntry.d_name[i] = ((char*)FileInfo.fname)[i];
Blaze513 4:9a5878d316d5 32 }
Blaze513 4:9a5878d316d5 33 return &CurrentEntry;
Blaze513 4:9a5878d316d5 34 }
Blaze513 4:9a5878d316d5 35 }
Blaze513 4:9a5878d316d5 36
Blaze513 4:9a5878d316d5 37 void FATDirHandle::rewinddir()
Blaze513 4:9a5878d316d5 38 {
Blaze513 4:9a5878d316d5 39 DirectoryObject.index = 0;
Blaze513 4:9a5878d316d5 40 }
Blaze513 4:9a5878d316d5 41
Blaze513 4:9a5878d316d5 42 off_t FATDirHandle::telldir()
Blaze513 4:9a5878d316d5 43 {
Blaze513 4:9a5878d316d5 44 return (off_t)DirectoryObject.index;
Blaze513 4:9a5878d316d5 45 }
Blaze513 4:9a5878d316d5 46
Blaze513 4:9a5878d316d5 47 void FATDirHandle::seekdir(off_t location)
Blaze513 4:9a5878d316d5 48 {
Blaze513 4:9a5878d316d5 49 DirectoryObject.index = (WORD)location;
Blaze513 1:94c648931f84 50 }