/// <summary>
/// Compares the actual SystemTime of the Raspberry Pi with the RTC of StromPi3.
/// In the case of a deviation, the more recent time is adopted.
/// <para>Requires serial-mode</para>
/// <remarks>The functionality of RTCSerial.py from joy-it is ported by this method.The original py-script
/// uses commands 'Q', '\r', 'date-rpi' and 'time-rpi' to read the current datetime
/// of Strompi3. This steps could not be implemented successfully and were replaced by calling 'ReadStatus'.
/// </remarks>
/// </summary>
public void SyncRTC()
{
// workaround to get the current settings,
// because commands '"date-rpi' and '"time-rpi' don't work (produce timeout..) until now
Port.ReceiveConfiguration(Settings);
if (Port.IsOpen)
{
Port.Close();
}
Port.Open();
Console.WriteLine("TimeSync-Process | Please Wait");
Console.WriteLine($"StromPi3: Current dateTime {Settings.CurrentDateTime} ");
var rpiDateTime = DateTime.Now;
Console.WriteLine($"Raspi: Current dateTime {rpiDateTime} ");
if (rpiDateTime > Settings.CurrentDateTime) // sync the Strompi
{
Console.WriteLine("The date und time will be synced: Raspberry Pi -> StromPi'");
int dayOfWeekPython = (int)rpiDateTime.DayOfWeek;
// map value of sunday (0 in .net to 7 on Strompi3)
if (dayOfWeekPython == 0)
{
dayOfWeekPython = 7;
}
string argumentsDate = $"{rpiDateTime.Day:D2} {rpiDateTime.Month:D2} {rpiDateTime.Year % 100:D2} {dayOfWeekPython}";
Console.WriteLine($"serial write 'set-date {argumentsDate}'");
Port.Write($"set-date {argumentsDate}");
Thread.Sleep(500);
Port.Write("\r");
Thread.Sleep(1000);
string argumentsTime = $"{rpiDateTime.Hour:D2} {rpiDateTime.Minute:D2} {rpiDateTime.Second:D2}";
Console.WriteLine($"serial write 'set-clock {argumentsTime}'");
Port.Write($"set-clock {argumentsTime}");
Thread.Sleep(500);
Port.Write("\r");
Port.Close();
Port.ReceiveConfiguration(Settings); // re-read to get the updated datetime
Console.WriteLine("-----------------------------------");
Console.WriteLine("The date und time has been synced: Raspberry Pi -> StromPi'");
Console.WriteLine($"Strompi3 is up-to-date: {Settings.CurrentDateTime}");
Console.WriteLine("-----------------------------------");
}
if (rpiDateTime < Settings.CurrentDateTime) // sync the Raspi
{
//TODO: not tested so far..
Console.WriteLine("The date und time will be synced: StromPi -> Raspberry Pi'");
Os.SetDateTime(Settings.CurrentDateTime);
Console.WriteLine("-----------------------------------");
Console.WriteLine("The date und time has been synced: StromPi -> Raspberry Pi'");
Console.WriteLine("-----------------------------------");
}
}