private async void OnSerialDeviceDiscovered(string id)
{
if (id.Contains("UART0"))
{
// LoRa device.
_loraSerialDevice = SerialPortFactory.GetInstance().Create(SerialDeviceType.LoRa);
await _loraSerialDevice.Create(id);
if (false == _loraSerialDevice.IsConfigured)
{
_loraSerialDevice.Configure(9600, 500, 500);
if (_loraSerialDevice.IsConfigured)
{
_loraSerialDevice.OnSerialDataEvent += OnLoraDataReceived;
}
}
}
else
{
_bleSerialDevice = SerialPortFactory.GetInstance().Create(SerialDeviceType.BTLe);
await _bleSerialDevice.Create(id);
if (false == _bleSerialDevice.IsConfigured)
{
_bleSerialDevice.Configure(9600, 3000, 500);
if (_bleSerialDevice.IsConfigured)
{
_bleSerialDevice.OnSerialDataEvent += OnBleDataReceived;
_bleSerialDevice.OnSerialDeviceConnected += OnBLEDeviceConnected;
_bleSerialDevice.OnSerialDeviceDisconnected += OnBLEDeviceDisconnected;
}
}
}
}
private void OnBleDataReceived(object sender, string data)
{
Debug.WriteLine(String.Format("Data received from BLE - {0}\n", data));
// If data from BLE is received, we have to send it to LoRa device.
if (null != _loraSerialDevice)
{
if (_loraSerialDevice.IsConfigured == false)
{
_loraSerialDevice.Configure(9600, 3000, 500);
}
// Try to parse the value received.
double currentBPM = 0;
if (double.TryParse(data, out currentBPM))
{
_pulseData.Add(currentBPM);
if (_pulseData.Count == MAX_PULSE_COUNT)
{
double average = _pulseData.Average();
_criticalRate.Add(average);
if (_criticalRate.Count == MAX_CRITICAL_RATE)
{
double averageCriticalRate = _criticalRate.Average();
_loraSerialDevice.Send(String.Format("\r\nLoc - {0}\r\n,C.BPM - {1}\r\n, C.Pulse Status - {2}\r\n. Av.BPM - {3}\r\n", LOCATION, (int)average, ConvertToPulseStatus(average, true), ConvertToPulseStatus(averageCriticalRate, true)));
_criticalRate.Clear();
}
else
{
_loraSerialDevice.Send(String.Format("\r\nLoc- {0}\r\n,C.BPM - {1}\r\n,C.Pulse Status - {2}\r\n", LOCATION, (int)average, ConvertToPulseStatus(average, false)));
}
_pulseData.Clear();
_pulseData.Add(average);
}
}
}
}