Diff: FATFileSystem/MemFileSystem.h

Revision:

14:02835aff8504

Parent:

13:635147efa748

Child:

15:c9e938f6934f

--- a/FATFileSystem/MemFileSystem.h	Mon Aug 18 15:09:52 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-/* mbed Microcontroller Library - MemFileSystem
- * Copyright (c) 2008, sford
- */
-
-
-#ifndef MBED_MEMFILESYSTEM_H
-#define MBED_MEMFILESYSTEM_H
-
-#include "FATFileSystem.h"
-
-namespace mbed
-{
-
-    class MemFileSystem : public FATFileSystem
-    {
-    public:
-    
-        // 2000 sectors, each 512 bytes (malloced as required)
-        char *sectors[2000];
-    
-        MemFileSystem(const char* name) : FATFileSystem(name) {
-            memset(sectors, 0, sizeof(sectors));
-        }
-    
-        virtual ~MemFileSystem() {
-            for(int i = 0; i < 2000; i++) {
-                if(sectors[i]) {
-                    free(sectors[i]);
-                }
-            }
-        }
-    
-        // read a sector in to the buffer, return 0 if ok
-        virtual int disk_read(char *buffer, int sector) {
-            if(sectors[sector] == 0) {
-                // nothing allocated means sector is empty
-                memset(buffer, 0, 512);
-            } else {
-                memcpy(buffer, sectors[sector], 512);
-            }
-            return 0;
-        }
-    
-        // write a sector from the buffer, return 0 if ok
-        virtual int disk_write(const char *buffer, int sector) {
-            // if buffer is zero deallocate sector
-            char zero[512];
-            memset(zero, 0, 512);
-            if(memcmp(zero, buffer, 512)==0) {
-                if(sectors[sector] != 0) {
-                    free(sectors[sector]);
-                    sectors[sector] = 0;
-                }
-                return 0;
-            }
-            // else allocate a sector if needed, and write
-            if(sectors[sector] == 0) {
-                char *sec = (char*)malloc(512);
-                if(sec==0) {
-                    return 1; // out of memory
-                }
-                sectors[sector] = sec;
-            }
-            memcpy(sectors[sector], buffer, 512);
-            return 0;
-        }
-    
-        // return the number of sectors
-        virtual int disk_sectors() {
-            return sizeof(sectors)/sizeof(sectors[0]);
-        }
-    
-    };
-
-}
-
-#endif
\ No newline at end of file