HXMdata ByteArrayToHXMdata(byte[] bytes)
{
GCHandle handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
HXMdata stuff = (HXMdata)Marshal.PtrToStructure(
handle.AddrOfPinnedObject(), typeof(HXMdata));
handle.Free();
return(stuff);
}
private static bool BatteryValueRange(HXMdata data)
{
if (data.BatteryCharge > 100)
{
Console.WriteLine("Battery Charge Reading our of range. Expected value was less than 100. Actuall was {0}", data.BatteryCharge);
return(false);
}
return(true);
}
private static bool StridesValueRange(HXMdata data)
{
const ushort Maximum = 128;
if (data.Strides > Maximum)
{
Console.WriteLine("Strides Reading is out of range. Expected value was less than 255. Actuall was {0}", data.Strides);
return(false);
}
return(true);
}
private static bool HeartRateValueRange(HXMdata data)
{
const byte Minimum = 30;
const byte Maximum = 240;
if (data.HeartRate < Minimum ||
data.HeartRate > Maximum)
{
Console.WriteLine("Heart Rate Reading is out of range. Expected value was between 30 and 240. Actuall was {0}", data.HeartRate);
return(false);
}
return(true);
}
void DataReceived(object sender, SerialDataReceivedEventArgs e)
{
SerialPort port = (SerialPort)sender;
if (port.BytesToRead >= 60)
{
byte[] buffer = new byte[60];
port.Read(buffer, 0, 60);
if (IsStructureValid(buffer))
{
HXMdata data = ByteArrayToHXMdata(buffer);
//Console.WriteLine(data.RR(0));
if (OnData != null && CheckDataValues(data) && buffer[CRCOffset] == CalculateCRC(buffer))
{
OnData(data);
}
}
else
{
port.Close();
}
}
}
public static bool CheckDataValues(HXMdata data)
{
return(BatteryValueRange(data) &&
HeartRateValueRange(data) &&
StridesValueRange(data));
}