private void ProcessMessageFromThermostat(string receivedMessage)
{
HeatmiserState state = new HeatmiserState();
byte[] dcbExtracted = new byte[292];
Array.Copy(Encoding.ASCII.GetBytes(receivedMessage), 7, dcbExtracted, 0, 292);
state.SetFromDCB(dcbExtracted);
this.currentState = state;
}
public HeatmiserState PostData(HeatmiserState state)
{
HeatmiserState stat = null;
if (state.GetChangedValues().Count > 0)
{
foreach (HeatmiserStateValueChange stateChange in state.GetChangedValues())
{
stat = SendMessageToThermostat(WriteDCBCommand(stateChange));
}
}
return(stat);
}
private void OnTimedEvent(object source, ElapsedEventArgs e)
{
HeatmiserState state = RequestData();
if (logState)
{
PostLogToDatabase(state);
}
if (state != null)
{
ResetReceiverIfPerceivedHanging();
}
}
public HeatmiserState RequestData()
{
HeatmiserState state = SendMessageToThermostat(ReadDCBCommand());
if (state != null)
{
this.currentState = state;
if (StateChanged != null)
{
StateChanged(this, new DeviceStateChangedEventArgs(this.currentState));
}
}
return(currentState);
}
public HeatmiserState SendMessageToThermostat(byte[] message)
{
byte[] recBuffer = SocketsHelper.SendMessageToSocketAndReadSynchroniously(this.localEndPoint, this.targetEndPoint,
message, ProtocolType.Tcp, false);
if (recBuffer != null)
{
HeatmiserState state = new HeatmiserState();
byte[] dcbExtracted = new byte[292];
Array.Copy(recBuffer, 7, dcbExtracted, 0, 292);
state.SetFromDCB(dcbExtracted);
return(state);
}
return(null);
}
public void ResetReceiverIfPerceivedHanging()
{
HeatmiserState currentState = CurrentState;
byte currentTemp = (byte)(currentState.CurrentAirTemp / 10);
byte setRoomTemp = currentState.IsOnHoliday ? currentState.FrostProtectTemperature : currentState.SetRoomTemp;
if (Math.Abs(currentTemp - setRoomTemp) > 1)
{
DateTime pastReadingDate = DateTime.Now.AddMinutes(currentState.RateOfChange * -1);
List <HeatmiserTempReading> list = GetListOfReadings(pastReadingDate);
if (list != null)
{
bool heatingThroughout = true;
bool idleThroughout = true;
foreach (HeatmiserTempReading reading in list)
{
if (!reading.IsHeating)
{
heatingThroughout = false;
}
else
{
idleThroughout = false;
}
}
if (
(heatingThroughout &&
(currentState.CurrentAirTemp - list[0].CurrentAirTemp) < 7)
||
(idleThroughout &&
(currentState.CurrentAirTemp - list[0].CurrentAirTemp) > 7)
)
{
ResetHangingReceiver();
}
}
}
}
private void PostLogToDatabase(HeatmiserState state)
{
try {
SqlConnection connection = new SqlConnection(LocalSettings.SqlConnectionString);
connection.Open();
SqlCommand cmd = new SqlCommand("PostHeatmiserLog", connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@DateTime", SqlDbType.DateTime).Value = DateTime.Now;
cmd.Parameters.Add("@RateOfChange", SqlDbType.TinyInt).Value = state.RateOfChange;
cmd.Parameters.Add("@SetRoomTemp", SqlDbType.TinyInt).Value = state.SetRoomTemp;
cmd.Parameters.Add("@RunMode", SqlDbType.TinyInt).Value = state.RunMode;
cmd.Parameters.Add("@CurrentAirTemp", SqlDbType.SmallInt).Value = state.CurrentAirTemp;
cmd.Parameters.Add("@IsHeating", SqlDbType.Bit).Value = state.IsHeating;
cmd.Parameters.Add("@IsHotWater", SqlDbType.Bit).Value = state.IsHotWater;
cmd.ExecuteNonQuery();
connection.Close();
}
catch (Exception ex) {
LoggingHelper.WriteExceptionLogEntry(ex.Source, ex);
}
}
