/// <summary>
/// Event handler for receiving serial data
/// </summary>
/// <param name="sender">sender</param>
/// <param name="e">event parameters</param>
private void DataReceived(object sender, SerialDataReceivedEventArgs e)
{
// Read while there is data to read
while (this.serialPort.BytesToRead > 0)
{
try
{
// We are reading line by line
OregonData data = this.DecodeData(this.serialPort.ReadLine());
if (OregonDataRead != null && data != null)
{
OregonDataRead.Invoke(data);
}
}
catch { }
}
}
/// <summary>
/// Decode data from the arduino
/// The data are as follow :
/// I:XX;C:XX;T:xx.xx;B:xxx
/// </summary>
/// <param name="raw">raw string data</param>
/// <returns>object data</returns>
private OregonData DecodeData(string raw)
{
OregonData data = new OregonData();
data.Date = DateTime.Now;
bool isOk = true;
string[] rawSplit = raw.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string set in rawSplit)
{
string[] setData = set.Split(new char[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
if (setData.Length == 2)
{
switch (setData[0])
{
case "I":
data.SensorId = setData[1];
break;
case "C":
int channel = 0;
if (int.TryParse(setData[1], out channel))
{
data.Channel = channel;
}
else
{
isOk = false;
}
break;
case "T":
decimal temp = 0;
if (decimal.TryParse(setData[1], NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture, out temp))
{
data.Temperature = temp;
}
else
{
isOk = false;
}
break;
case "B":
decimal battery = 0;
if (decimal.TryParse(setData[1], NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out battery))
{
data.BatteryLevel = battery;
}
break;
}
}
}
if (!isOk || !data.IsValid())
{
return(null);
}
return(data);
}