public static YFilesProxy FindFiles(string name)
{
// cases to handle:
// name ="" no matching unknwn
// name ="" unknown exists
// name != "" no matching unknown
// name !="" unknown exists
YFiles func = null;
YFilesProxy res = (YFilesProxy)YFunctionProxy.FindSimilarUnknownFunction("YFilesProxy");
if (name == "")
{
if (res != null)
{
return(res);
}
res = (YFilesProxy)YFunctionProxy.FindSimilarKnownFunction("YFilesProxy");
if (res != null)
{
return(res);
}
func = YFiles.FirstFiles();
if (func != null)
{
name = func.get_hardwareId();
if (func.get_userData() != null)
{
return((YFilesProxy)func.get_userData());
}
}
}
else
{
func = YFiles.FindFiles(name);
if (func.get_userData() != null)
{
return((YFilesProxy)func.get_userData());
}
}
if (res == null)
{
res = new YFilesProxy(func, name);
}
if (func != null)
{
res.linkToHardware(name);
if (func.isOnline())
{
res.arrival();
}
}
return(res);
}
/**
* <summary>
* Enumerates all functions of type Files available on the devices
* currently reachable by the library, and returns their unique hardware ID.
* <para>
* Each of these IDs can be provided as argument to the method
* <c>YFiles.FindFiles</c> to obtain an object that can control the
* corresponding device.
* </para>
* </summary>
* <returns>
* an array of strings, each string containing the unique hardwareId
* of a device function currently connected.
* </returns>
*/
public static new string[] GetSimilarFunctions()
{
List <string> res = new List <string>();
YFiles it = YFiles.FirstFiles();
while (it != null)
{
res.Add(it.get_hardwareId());
it = it.nextFiles();
}
return(res.ToArray());
}
static void Main(string[] args)
{
string errmsg = "";
string target;
YFiles files;
if (args.Length < 1)
{
usage();
}
target = args[0].ToUpper();
// API init
if (YAPI.RegisterHub("usb", ref errmsg) != YAPI.SUCCESS)
{
Console.WriteLine("RegisterHub error: " + errmsg);
Environment.Exit(0);
}
// find the display according to command line parameters
if (target == "ANY")
{
files = YFiles.FirstFiles();
if (files == null)
{
Console.WriteLine("No module with files features (check USB cable) ");
Environment.Exit(0);
}
}
else
{
files = YFiles.FindFiles(target + ".files");
}
if (!files.isOnline())
{
Console.WriteLine("No module with files connected (check identification and USB cable) ");
Environment.Exit(0);
}
Console.WriteLine();
Console.WriteLine("Using " + files.get_friendlyName());
Console.WriteLine();
byte[] binaryData;
// create text files and upload them to the device
for (int i = 1; i <= 5; i++)
{
string contents = "This is file " + i;
// convert the string to binary data
binaryData = Encoding.ASCII.GetBytes(contents);
// upload the file to the device
files.upload("file" + i + ".txt", binaryData);
}
// list files found on the device
Console.WriteLine("Files on device:");
List <YFileRecord> filelist = files.get_list("*");
for (int i = 0; i < filelist.Count(); i++)
{
string filename = filelist[i].get_name();
Console.Write(filename);
Console.Write(new string(' ', 40 - filename.Length)); // align
Console.Write(filelist[i].get_crc().ToString("X"));
Console.Write(" ");
Console.WriteLine(filelist[i].get_size() + " bytes");
}
//download a file
binaryData = files.download("file1.txt");
// convert to string
string st = System.Text.Encoding.Default.GetString(binaryData);
// and display
Console.WriteLine("");
Console.WriteLine("contents of file1.txt:");
Console.WriteLine(st);
}