File content as of revision 1:cccfc461c61f:

#include "Storage.h"
#include "FATFileSystem.h"
#include "mbed_debug.h"
#include "mystring.h"
#include <ctype.h>

#if (DEBUG2 > 3)
#define STORAGE_DBG(...) do{fprintf(stderr,"[%s@%d] ",__PRETTY_FUNCTION__,__LINE__);fprintf(stderr,__VA_ARGS__);fprintf(stderr,"\r\n");} while(0);
#else
#define STORAGE_DBG(...)
#endif

#define LOCAL_DIR "local"

LocalStorage::LocalStorage(StorageInterface* storage)
        : FATFileSystem(LOCAL_DIR),_storage(storage)
{
}

extern FILINFO FATDirHandle_finfo; // fst/FATDirHandle.cpp
/* static */ bool LocalStorage::find_bin(mystring& filename)
{
    DIR *dir = ::opendir("/"LOCAL_DIR);
    if (dir == NULL) {
        return false;
    }
    uint32_t fdatetime = 0;
    bool found = false;
    struct dirent *entry;
    while ((entry = readdir(dir)) != NULL) {
        mystring name(entry->d_name);
        int len = name.size();
        if (name[len-4] == '.' && 
            toupper(name[len-3]) == 'B' &&
            toupper(name[len-2]) == 'I' &&
            toupper(name[len-1]) == 'N') {
            FILINFO* fi = &FATDirHandle_finfo;
            uint32_t datetime =  fi->ftime | (fi->fdate<<16);
            STORAGE_DBG("datetime=%08x [%s]", datetime, entry->d_name);
            if (datetime > fdatetime) {
                fdatetime = datetime;
                filename = "/"LOCAL_DIR"/";
                filename += entry->d_name;
                found = true;
            }
        }
    }
    closedir(dir);
    return found;
}