laosfilesystem.h

00001 /*
00002  *
00003  * LaosFilesystem.h
00004  * Simple Long Filename system on top of SDFilesystem.h
00005  *
00006  * Copyright (c) 2011 Jaap Vermaas
00007  *
00008  *   This file is part of the LaOS project (see: http://wiki.laoslaser.org
00009  *
00010  *   LaOS is free software: you can redistribute it and/or modify
00011  *   it under the terms of the GNU General Public License as published by
00012  *   the Free Software Foundation, either version 3 of the License, or
00013  *   (at your option) any later version.
00014  *
00015  *   LaOS is distributed in the hope that it will be useful,
00016  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *   GNU General Public License for more details.
00019  *
00020  *   You should have received a copy of the GNU General Public License
00021  *   along with LaOS.  If not, see <http://www.gnu.org/licenses/>.
00022  */
00023 #ifndef _LAOSFILESYSTEM_
00024 #define _LAOSFILESYSTEM_
00025 
00026 #include "SDFileSystem.h"
00027 #include "FATFileSystem.h"
00028 #include <string>
00029 #include <ctype.h>
00030 
00031 #define _LAOSFILE_TRANSTABLE "longname.sys"
00032 #define MAXFILESIZE 21
00033 #define SHORTFILESIZE 13
00034 
00035 class LaosFileSystem : public SDFileSystem {
00036     public:
00037         LaosFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, 
00038                 const char* name);        // Create the filesystem on SD
00039         virtual ~LaosFileSystem();                // destructor
00040         FILE* openfile(char* fname, char* iom);    // open a file
00041         void getlongname(char *result, char *searchname);   // return long names
00042         void getshortname(char* shortname, char* name); //get a short name
00043         char pathname[MAXFILESIZE+2];
00044         void cleanlist();
00045         void shorten(char* name, int max);
00046         
00047     private:
00048         int islegalname(char* name);
00049         int isshortname(char* name);
00050         void removespaces(char* name);
00051         void makeshortname(char* shortname, char* name);
00052         size_t dirread(char* longname, char* shortname, FILE *fp);
00053         size_t dirwrite(char* longname, char* shortname, FILE* fp);
00054         char tablename[MAXFILESIZE + SHORTFILESIZE + 1];
00055 };
00056 
00057 void showfile();        // debug: list contents of long filesytem file
00058 void cleandir();        // delete all files in directory
00059 void printdir();        // list all files in directory (with long names)
00060 //void getfilename(char *name, int filenr); // get name of the #filenr file
00061 //int getfilenum(char *name); // get number of this filename
00062 void getprevjob(char *name);     // previous job
00063 void getnextjob(char *name);     // next job
00064 void writefile(char *name); // example code to open a file
00065 void removefile(char *name);    // example code to remove a file
00066 int readint(FILE *fp);      // read integers from open file
00067 void strtolower(char *name);    // change characters to lowercase
00068 int isFirmware(char *name);     // check if it's firmware
00069 void installFirmware(char *filename); // put firmware in place
00070 void removeFirmware(); // remove old firmware
00071 int SDcheckFirmware();  // check for firmware
00072 int isLaosFile(char *filename);   // check extension for LaOS compatibility
00073 #endif