private async void ReadingData(CancellationToken token)
{
while (_device != null && !token.IsCancellationRequested)
{
try
{
string workingString = await _device.ReadLineAsync(token);
//System.Diagnostics.Debug.WriteLine(workingString);
BeaconInfoData info = BeaconInfoData.FromString(workingString);
//System.Diagnostics.Debug.WriteLine(info);
DataReceived?.Invoke(this, new BeaconInfoEventArgs(info, workingString));
}
catch (TaskCanceledException)
{
_device.Reset();
}
}
_device.Reset();
}
public static BeaconInfoData FromString(string str)
{
//Console.WriteLine("parseString(" + str + ")");
string[] subStrings = str.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (subStrings.Length < MIN_COUNT)
{
System.Diagnostics.Debug.WriteLine(" parseString() error:'" + str + "'");
return(null);
}
//2 06 9027E45EA88D 12E69160 -079 WiFi Alexander
BeaconInfoData info = new BeaconInfoData();
try
{
info.wifiChan = Convert.ToByte(subStrings[1], 10);
info.mac = subStrings[0];
info.diff = Convert.ToDouble(subStrings[2]);
info.level = Convert.ToDouble(subStrings[3]);
info.ssid = subStrings[4];
for (int i = 5; i < subStrings.Length; i++)
{
info.ssid += " ";
info.ssid += subStrings[i];
}
}
catch (FormatException e)
{
System.Diagnostics.Debug.WriteLine("Parse Error: " + e.StackTrace);
return(null);
}
//info.print();
return(info);
}
public bool HandleInfo(BeaconInfoData data)
{
//data.print();
if (data.ssid == ssid && data.mac == mac)
{
levels.AddLast(data.level);
diffs.AddLast(data.diff);
while (levels.Count > avgCount)
{
levels.RemoveFirst();
}
while (diffs.Count > avgCount)
{
diffs.RemoveFirst();
}
needRecalc = true;
print();
}
else
{
//Console.WriteLine("LevelCalculator.HandleInfo() skip ssid " + data.ssid);
}
return(needRecalc);
}
protected override void OnResume()
{
base.OnResume();
usbHandler = new Handler(
(message) =>
{
//switch ((USBDeviceStatus)message.What)
//{
// case USBDeviceStatus.UsbReading:
// break;
// case USBDeviceStatus.DeviceConnectionClosed:
// break;
//}
if (message.What == 111)
{
string raw = message.Data.GetString("raw");
_usb_DataReceived(this, new BeaconInfoEventArgs(BeaconInfoData.FromString(raw), raw));
}
});
_usb = new USBCommunicator(this, usbHandler);
_usb.DataReceived += _usb_DataReceived;
_usb.Connect();
}
public void Run()
{
if (!_scanMode)
{
System.Diagnostics.Debug.WriteLine($"Setting channel to {_channel + 1}");
Write(GetChannelByte(0));
Write(GetChannelByte((byte)(_channel + 1)));
}
byte[] buffer = new byte[100];
while (!_token.IsCancellationRequested)
{
//Changing channel
if (_scanMode && (!_sw.IsRunning || _sw.ElapsedMilliseconds > 2500))
{
System.Diagnostics.Debug.WriteLine($"Setting channel to {_channel + 1}");
Write(GetChannelByte(0));
Write(GetChannelByte((byte)(_channel + 1)));
_channel = ++_channel % 14;
_sw.Restart();
}
//Reading data
int count = _connection.BulkTransfer(_readEndpoint, buffer, buffer.Length, 1000);
if (count > 0 && !_token.IsCancellationRequested)
{
dataString += Encoding.ASCII.GetString(buffer, 0, count);
int termPos1, termPos2;
do
{
//Check if string contains the terminator
termPos1 = dataString.IndexOf((char)_terminator1);
termPos2 = dataString.IndexOf((char)_terminator2);
//Console.WriteLine("RAW: '" + tString + "'" +
// " termPoses=" + termPos1 + " " + termPos2 +
// " len " + tString.Length );
if (termPos2 > -1 && termPos2 > -1)
{
string workingString = dataString.Substring(0, termPos2);
dataString = dataString.Substring(termPos2 + 1);
//Console.WriteLine("NEXT: '" + tString + "'" + " len " + tString.Length);
workingString = workingString.Trim(trimChars);
//Console.WriteLine("RAW: '" + workingString + "'");
//System.Diagnostics.Debug.WriteLine(workingString);
try
{
BeaconInfoData info = BeaconInfoData.FromString(workingString);
System.Diagnostics.Debug.WriteLine(info);
var msg = _handler.ObtainMessage(111);
msg.Data.PutString("raw", workingString);
_handler.SendMessage(msg);
if (!_scanMode && info.wifiChan != _channel)
{
System.Diagnostics.Debug.WriteLine($"Setting channel to {_channel}");
Write(GetChannelByte(0));
Write(GetChannelByte((byte)_channel));
}
}
catch { }
}
} while (termPos1 > -1 && termPos2 > -1);
}
}
}
public BeaconInfoEventArgs(BeaconInfoData info, string raw)
{
Info = info;
Raw = raw;
}
