//TODO Desctructor to set off buzzer
private void KeyUp()
{
while (true)
{
if (serialPort.BytesToRead == 0)
{
if (stack.Count == 0)
{
System.Threading.Thread.Sleep(50);
continue;
}
}
else
{
byte [] buffer = new byte[3];
serialPort.Read(buffer, 0, 3);
String s = "";
foreach (byte b in buffer)
{
if (b < 48)
{
s = b.ToString();
break;
}
}
stack.AddRange(s.Split(' '));
}
try
{
String input = ReadNext();
if (input.Length == 0)
{
continue;
}
try
{
PosKey key = KeyMap.Get(input);
ConsumeKey(this, new ConsumeKeyEventArgs(key));
}
catch { continue; }
}
catch (TimeoutException)
{
Display.Log.Error("Timeout exception on serial keyboard");
}
catch (Exception e)
{
Display.Log.Error(e);
}
}
}
//TODO Desctructor to set off buzzer
private void KeyUp()
{
while (true)
{
if (Display.Terminate)
{
break;
}
if (serialPort.BytesToRead == 0)
{
if (stack.Count == 0)
{
System.Threading.Thread.Sleep(100);
continue;
}
}
else
{
String s = serialPort.ReadExisting();
if (s.StartsWith("%") || s.StartsWith(";"))
{
System.Threading.Thread.Sleep(25);
stack.Add(s + serialPort.ReadExisting());
}
else
{
if (s.StartsWith("135"))
{
List <string> tmp = new List <string>();
tmp.AddRange(s.Split(' '));
foreach (var item in tmp)
{
if (item == "135")
{
stack.Add(item);
continue;
}
if (item.Contains("135") && item.EndsWith("135") && !(item.StartsWith("135")))
{
if (item.Length == 4)
{
stack.Add(item.Substring(0, 1));
stack.Add(item.Remove(0, 1));
continue;
}
else if (item.Length == 5)
{
stack.Add(item.Substring(0, 2));
stack.Add(item.Remove(0, 2));
continue;
}
else
{
stack.Add(item);
continue;
}
}
else
{
stack.Add(item);
continue;
}
}
}
else
{
stack.AddRange(s.Split(' '));
}
}
}
try
{
String input = ReadNext();
//if starts with Z means that unexpected data received (or shift)
if (input.StartsWith("Z") && input.Length > 2)
{
input = input.Substring(1);
}
//if sale led is on-off (led data comes before key data)
if (input.StartsWith("?") && input.IndexOf('&') > 0)
{
input = input.Substring(input.IndexOf('&') + 1);
}
//if online led is on-off (led data comes before key data)
if (input.StartsWith("½") && input.IndexOf('&') > 0)
{
input = input.Substring(input.IndexOf('&') + 1);
}
if (input.Length == 0)
{
continue;
}
try
{
int keyValue = -1;
switch (input)
{
case "135": input = "L" + ReadNext(); break; //label
case "67": input = "C" + (char)Convert.ToInt32(ReadNext()); break; //credit
case "201": input = "EFT"; break; // EFT on Credit1
case "35": input = "K" + (char)Convert.ToInt32(ReadNext()); break; //keylock
case "28": input = "Escape"; break; //Escape
default:
if (Parser.TryInt(input, out keyValue))
{
input = ((ConsoleKey)keyValue).ToString();
break;
}
String cardCode = input;
if ((cardCode = KeyMap.IsCard(input)) != input)
{
ConsumeKey(this, new ConsumeKeyEventArgs((int)PosKey.MagstripeStx));
foreach (Char c in cardCode)
{
if (!System.Text.RegularExpressions.Regex.IsMatch("" + c, "[0-9A-Za-z]"))
{
break;
}
ConsumeKey(this, new ConsumeKeyEventArgs((int)c));
}
input = "Enter";
break;
}
continue;
}
PosKey key = KeyMap.Get(input);
if (key == PosKey.UndefinedKey && keyValue > -1)
{
key = KeyMap.Get(48 + keyValue + "");
}
ConsumeKey(this, new ConsumeKeyEventArgs((int)key));
//stack = new List<string>();
}
catch { continue; }
//finally { stack = new List<string>(); }
}
catch (TimeoutException)
{
Display.Log.Error("Timeout exception on serial keyboard");
}
catch (Exception e)
{
Display.Log.Error(e);
}
}
}
