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Dependents: cc3000_ping_demo_try_2
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LocalFileSystem.h
- Committer:
- emilmont
- Date:
- 2011-11-29
- Revision:
- 27:7110ebee3484
- Parent:
- 11:1c1ebd0324fa
- Child:
- 32:3b05dd009342
File content as of revision 27:7110ebee3484:
/* mbed Microcontroller Library - LocalFileSystem
* Copyright (c) 2008-2009 ARM Limited. All rights reserved.
*/
#ifndef MBED_LOCALFILESYSTEM_H
#define MBED_LOCALFILESYSTEM_H
#include "FileSystemLike.h"
namespace mbed {
/* Class: LocalFileSystem
* A filesystem for accessing the local mbed Microcontroller USB disk drive
*
* This allows programs to read and write files on the same disk drive that is used to program the
* mbed Microcontroller. Once created, the standard C file access functions are used to open,
* read and write files.
*
* Example:
* > #include "mbed.h"
* >
* > LocalFileSystem local("local"); // Create the local filesystem under the name "local"
* >
* > int main() {
* > FILE *fp = fopen("/local/out.txt", "w"); // Open "out.txt" on the local file system for writing
* > fprintf(fp, "Hello World!");
* > fclose(fp);
* > remove("/local/out.txt"); // Removes the file "out.txt" from the local file system
* >
* > DIR *d = opendir("/local"); // Opens the root directory of the local file system
* > struct dirent *p;
* > while((p = readdir(d)) != NULL) { // Print the names of the files in the local file system
* > printf("%s\n", p->d_name); // to stdout.
* > }
* > closedir(d);
* > }
*
* Implementation Notes:
* If the microcontroller program makes an access to the local drive, it will be marked as "removed"
* on the Host computer. This means it is no longer accessible from the Host Computer.
*
* The drive will only re-appear when the microcontroller program exists. Note that if the program does
* not exit, you will need to hold down reset on the mbed Microcontroller to be able to see the drive again!
*/
class LocalFileSystem : public FileSystemLike {
public:
LocalFileSystem(const char* n) : FileSystemLike(n) {
}
virtual FileHandle *open(const char* name, int flags);
virtual int remove(const char *filename);
virtual DirHandle *opendir(const char *name);
};
} // namespace mbed
#endif
