Michael Shimniok / Mbed 2 deprecated AVC_2012

Code for autonomous ground vehicle, Data Bus, 3rd place winner in 2012 Sparkfun AVC.

Dependencies:   Watchdog mbed Schedule SimpleFilter LSM303DLM PinDetect DebounceIn Servo

SDFileSystem/FATFileSystem/Interface/FATDirHandle.cpp@0:826c6171fc1b, 2012-06-20 (annotated)

Committer:
shimniok
Date:
Wed Jun 20 14:57:48 2012 +0000
Revision:
0:826c6171fc1b
Updated documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shimniok 0:826c6171fc1b 1 /* mbed Microcontroller Library - FATDirHandle
shimniok 0:826c6171fc1b 2 Copyright (c) 2008, sford */
shimniok 0:826c6171fc1b 3
shimniok 0:826c6171fc1b 4 //Modified by Thomas Hamilton, Copyright 2010
shimniok 0:826c6171fc1b 5
shimniok 0:826c6171fc1b 6 #include "FATDirHandle.h"
shimniok 0:826c6171fc1b 7
shimniok 0:826c6171fc1b 8 FATDirHandle::FATDirHandle(FAT_DIR InputDirStr)
shimniok 0:826c6171fc1b 9 {
shimniok 0:826c6171fc1b 10 DirectoryObject = InputDirStr;
shimniok 0:826c6171fc1b 11 }
shimniok 0:826c6171fc1b 12
shimniok 0:826c6171fc1b 13 int FATDirHandle::closedir()
shimniok 0:826c6171fc1b 14 {
shimniok 0:826c6171fc1b 15 delete this;
shimniok 0:826c6171fc1b 16 return 0;
shimniok 0:826c6171fc1b 17 }
shimniok 0:826c6171fc1b 18
shimniok 0:826c6171fc1b 19 struct dirent* FATDirHandle::readdir()
shimniok 0:826c6171fc1b 20 {
shimniok 0:826c6171fc1b 21 FILINFO FileInfo;
shimniok 0:826c6171fc1b 22 FRESULT Result = f_readdir(&DirectoryObject, &FileInfo);
shimniok 0:826c6171fc1b 23 if (Result || !FileInfo.fname[0])
shimniok 0:826c6171fc1b 24 {
shimniok 0:826c6171fc1b 25 return NULL;
shimniok 0:826c6171fc1b 26 }
shimniok 0:826c6171fc1b 27 else
shimniok 0:826c6171fc1b 28 {
shimniok 0:826c6171fc1b 29 for (unsigned char i = 0; i < 13; i++)
shimniok 0:826c6171fc1b 30 {
shimniok 0:826c6171fc1b 31 CurrentEntry.d_name[i] = ((char*)FileInfo.fname)[i];
shimniok 0:826c6171fc1b 32 }
shimniok 0:826c6171fc1b 33 return &CurrentEntry;
shimniok 0:826c6171fc1b 34 }
shimniok 0:826c6171fc1b 35 }
shimniok 0:826c6171fc1b 36
shimniok 0:826c6171fc1b 37 void FATDirHandle::rewinddir()
shimniok 0:826c6171fc1b 38 {
shimniok 0:826c6171fc1b 39 DirectoryObject.index = 0;
shimniok 0:826c6171fc1b 40 }
shimniok 0:826c6171fc1b 41
shimniok 0:826c6171fc1b 42 off_t FATDirHandle::telldir()
shimniok 0:826c6171fc1b 43 {
shimniok 0:826c6171fc1b 44 return (off_t)DirectoryObject.index;
shimniok 0:826c6171fc1b 45 }
shimniok 0:826c6171fc1b 46
shimniok 0:826c6171fc1b 47 void FATDirHandle::seekdir(off_t location)
shimniok 0:826c6171fc1b 48 {
shimniok 0:826c6171fc1b 49 DirectoryObject.index = (WORD)location;
shimniok 0:826c6171fc1b 50 }