Matthew Sims / mbed

Lab 1 Program C

Dependents:   Lab1C

Fork of mbed by -deleted-

LocalFileSystem.h@4:5d1359a283bc, 2008-11-27 (annotated)

Committer:
simon.ford@mbed.co.uk
Date:
Thu Nov 27 16:23:24 2008 +0000
Revision:
4:5d1359a283bc
Child:
8:00a04e5cd407
New version of framework: vectors, environment, platform, base and file system

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon.ford@mbed.co.uk 4:5d1359a283bc 1 /* mbed Microcontroller Library - SemihostFileSystem
simon.ford@mbed.co.uk 4:5d1359a283bc 2 * Copyright (c) 2007-2008, sford
simon.ford@mbed.co.uk 4:5d1359a283bc 3 */
simon.ford@mbed.co.uk 4:5d1359a283bc 4
simon.ford@mbed.co.uk 4:5d1359a283bc 5 #ifndef MBED_LOCALFILESYSTEM_H
simon.ford@mbed.co.uk 4:5d1359a283bc 6 #define MBED_LOCALFILESYSTEM_H
simon.ford@mbed.co.uk 4:5d1359a283bc 7
simon.ford@mbed.co.uk 4:5d1359a283bc 8 #include "FileSystemLike.h"
simon.ford@mbed.co.uk 4:5d1359a283bc 9
simon.ford@mbed.co.uk 4:5d1359a283bc 10 namespace mbed {
simon.ford@mbed.co.uk 4:5d1359a283bc 11
simon.ford@mbed.co.uk 4:5d1359a283bc 12 /* Class: LocalFileSystem
simon.ford@mbed.co.uk 4:5d1359a283bc 13 * A filesystem for accessing the local mbed Microcontroller USB disk drive.
simon.ford@mbed.co.uk 4:5d1359a283bc 14 *
simon.ford@mbed.co.uk 4:5d1359a283bc 15 * This allows programs to read and write files on the same disk drive that is used to program the
simon.ford@mbed.co.uk 4:5d1359a283bc 16 * mbed Microcontroller. Once created, the standard C file access functions are used to open,
simon.ford@mbed.co.uk 4:5d1359a283bc 17 * read and write files.
simon.ford@mbed.co.uk 4:5d1359a283bc 18 *
simon.ford@mbed.co.uk 4:5d1359a283bc 19 * Example:
simon.ford@mbed.co.uk 4:5d1359a283bc 20 * > #include "mbed.h"
simon.ford@mbed.co.uk 4:5d1359a283bc 21 * >
simon.ford@mbed.co.uk 4:5d1359a283bc 22 * > LocalFileSystem local("local"); // Create the local filesystem under the name "local"
simon.ford@mbed.co.uk 4:5d1359a283bc 23 * >
simon.ford@mbed.co.uk 4:5d1359a283bc 24 * > int main() {
simon.ford@mbed.co.uk 4:5d1359a283bc 25 * > FILE *fp = fopen("/local/out.txt", "w"); // Open "out.txt" on the local file system for writing
simon.ford@mbed.co.uk 4:5d1359a283bc 26 * > fprintf(fp, "Hello World!");
simon.ford@mbed.co.uk 4:5d1359a283bc 27 * > fclose(fp);
simon.ford@mbed.co.uk 4:5d1359a283bc 28 * > }
simon.ford@mbed.co.uk 4:5d1359a283bc 29 *
simon.ford@mbed.co.uk 4:5d1359a283bc 30 * Implementation Notes:
simon.ford@mbed.co.uk 4:5d1359a283bc 31 * If the microcontroller program makes an access to the local drive, it will be marked as "removed"
simon.ford@mbed.co.uk 4:5d1359a283bc 32 * on the Host computer. This means it is no longer accessible from the Host Computer.
simon.ford@mbed.co.uk 4:5d1359a283bc 33 *
simon.ford@mbed.co.uk 4:5d1359a283bc 34 * The drive will only re-appear when the microcontroller program exists. Note that if the program does
simon.ford@mbed.co.uk 4:5d1359a283bc 35 * not exit, you will need to hold down reset on the mbed Microcontroller to be able to see the drive again!
simon.ford@mbed.co.uk 4:5d1359a283bc 36 */
simon.ford@mbed.co.uk 4:5d1359a283bc 37 class LocalFileSystem : public FileSystemLike {
simon.ford@mbed.co.uk 4:5d1359a283bc 38
simon.ford@mbed.co.uk 4:5d1359a283bc 39 public:
simon.ford@mbed.co.uk 4:5d1359a283bc 40
simon.ford@mbed.co.uk 4:5d1359a283bc 41 LocalFileSystem(const char* n) : FileSystemLike(n) {
simon.ford@mbed.co.uk 4:5d1359a283bc 42
simon.ford@mbed.co.uk 4:5d1359a283bc 43 }
simon.ford@mbed.co.uk 4:5d1359a283bc 44
simon.ford@mbed.co.uk 4:5d1359a283bc 45 virtual FileHandle *open(const char* name, int flags);
simon.ford@mbed.co.uk 4:5d1359a283bc 46 virtual int remove(const char *filename);
simon.ford@mbed.co.uk 4:5d1359a283bc 47
simon.ford@mbed.co.uk 4:5d1359a283bc 48 };
simon.ford@mbed.co.uk 4:5d1359a283bc 49
simon.ford@mbed.co.uk 4:5d1359a283bc 50 } // namespace mbed
simon.ford@mbed.co.uk 4:5d1359a283bc 51
simon.ford@mbed.co.uk 4:5d1359a283bc 52 #endif