Stefan Mueller
First working version of a FATFileSystem compatible Chan FAT v0.8 implementation. This is intended to use with long file names and RTOS support. For now long file names work but RTOS support is still untested.
Dependents: USB_MSC USB_CDC_MSD_Hello TFTPServerTest DMXStation ... more
Diff: FATDirHandle.cpp
- Revision:
- 0:8ea634413549
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/FATDirHandle.cpp Tue Feb 01 21:47:45 2011 +0000
@@ -0,0 +1,61 @@
+/* mbed Microcontroller Library - FATDirHandle
+ * Copyright (c) 2008, sford
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ff.h"
+#include "FATDirHandle.h"
+#include "FATFileSystem.h"
+
+namespace mbed {
+
+FATDirHandle::FATDirHandle(const DIR_t &the_dir) {
+ dir = the_dir;
+}
+
+int FATDirHandle::closedir() {
+ delete this;
+ return 0;
+}
+
+struct dirent *FATDirHandle::readdir() {
+ FILINFO finfo;
+#if _USE_LFN
+ static char lfn[_MAX_LFN * (_LFN_UNICODE ? 2 : 1) + 1];
+ finfo.lfname = lfn;
+ finfo.lfsize = sizeof(lfn);
+#endif
+ FRESULT res = f_readdir(&dir, &finfo);
+ if(res != 0 || finfo.fname[0]==0) {
+ return NULL;
+ } else {
+ char* fn;
+ int stringSize = 0;
+#if _USE_LFN
+ fn = *finfo.lfname ? finfo.lfname : finfo.fname;
+ stringSize = finfo.lfsize;
+#else
+ fn = fno.fname;
+ stringSize = sizeof(finfo.fname);
+#endif
+ memcpy(cur_entry.d_name, fn, stringSize);
+ return &cur_entry;
+ }
+}
+
+void FATDirHandle::rewinddir() {
+ dir.index = 0;
+}
+
+off_t FATDirHandle::telldir() {
+ return dir.index;
+}
+
+void FATDirHandle::seekdir(off_t location) {
+ dir.index = location;
+}
+
+}
+