private void Reader_CardReceived(object sender, CardDataEventArgs e)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.AppendLine($"Facility: {e.FacilityId}");
sb.AppendLine($"Card: {e.CardId}");
sb.AppendLine($"{DateTime.Now}");
output.Text = sb.ToString();
}
protected virtual void OnCardReceived(CardDataEventArgs args) => CardReceived?.Invoke(this, args);
private async void ReadData()
{
try
{
if (device == null)
{
return;
}
if (reader == null)
{
InitReader();
}
if (IsReading)
{
return;
}
if (InputBuffer == null)
{
InputBuffer = new List <byte>();
}
IsReading = true;
reader.InputStreamOptions = InputStreamOptions.Partial;
//reader.loa
uint bitCount = await reader.LoadAsync(1); //.AsTask();
LastReceived = DateTime.Now;
while (true)
{
byte b = reader.ReadByte();
if (b == 6)
{
// Do Nothing - Unit is jusr responding to a keep alive request.
}
else if (b == 2)
{
InputBuffer.Clear();
bool ContinueRead = true;
while (ContinueRead)
{
bitCount = await reader.LoadAsync(1); //.AsTask();
b = reader.ReadByte();
if (System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debug.Write(b);
}
if (b != 3)
{
InputBuffer.Add(b);
}
else
{
ContinueRead = false;
}
}
string result = System.Text.Encoding.UTF8.GetString(InputBuffer.ToArray());
CardDataEventArgs args = new CardDataEventArgs(result);
OnCardReceived(args);
}
else
{
bitCount = await reader.LoadAsync(1); //.AsTask();
}
}
}
catch (Exception ex)
{
}
finally
{
IsReading = false;
}
}