public bool SyncTime()
{
DateTime time;
DateTime previous = DateTime.Now;
while ((time = DateTime.Now) == previous)
{
volatileTemp = 0;
} // Spin until the second rollover (up to 1 second)
// ...now set the time.
if (OmApi.OM_FAILED(OmApi.OmSetTime(deviceId, OmApi.OmDateTimePack(time))))
{
return(false);
}
timeDifference = TimeSpan.Zero;
hasChanged = true;
om.OnChanged(new OmDeviceEventArgs(this));
return(true);
}
public bool SetInterval(DateTime start, DateTime stop)
{
bool failed = false;
failed |= OmApi.OM_FAILED(OmApi.OmSetDelays(deviceId, OmApi.OmDateTimePack(start), OmApi.OmDateTimePack(stop)));
if (!failed)
{
failed |= OmApi.OM_FAILED(OmApi.OmCommit(deviceId));
}
//validData = false;
if (!failed)
{
this.startTime = start;
this.stopTime = stop;
}
hasChanged = true;
om.OnChanged(new OmDeviceEventArgs(this));
return(!failed);
}
public static volatile int volatileTemp = 0; // Junk to prevent code elimination
public bool SyncTime()
{
uint newTime = 0; // last received timestamp (packed)
int retries = 12;
do
{
DateTime previous = DateTime.Now;
DateTime time;
Console.WriteLine("TIMESYNC-DEBUG: Waiting for roll-over from: " + previous);
while ((time = DateTime.Now).Second == previous.Second)
{
volatileTemp++;
} // Busy spin until the second rollover (up to 1 second)
// ...now set the time (always to the nearest second)
DateTime setTime = new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, time.Second);
Console.WriteLine("TIMESYNC-DEBUG: Setting time: " + setTime);
if (OmApi.OM_FAILED(OmApi.OmSetTime((int)deviceId, OmApi.OmDateTimePack(setTime))))
{
Console.WriteLine("TIMESYNC: Failed to write time.");
continue;
}
// Verify that the clock was set as expected
if (OmApi.OM_FAILED(OmApi.OmGetTime((int)deviceId, out newTime)))
{
Console.WriteLine("TIMESYNC: Failed to read time.");
continue;
}
DateTime newDateTime = OmApi.OmDateTimeUnpack(newTime);
timeDifference = newDateTime - setTime;
Console.WriteLine("TIMESYNC-DEBUG: Received time: " + newDateTime + ", delta: " + timeDifference.TotalMilliseconds + " ms");
if (Math.Abs(timeDifference.TotalMilliseconds) > 3000)
{
Console.WriteLine("TIMESYNC: Time was not within range: " + (int)timeDifference.TotalSeconds);
continue;
}
Console.WriteLine("TIMESYNC-DEBUG: Set time ok, checking for ticks...");
break; // everything ok
} while (--retries > 0);
if (retries <= 0)
{
Console.WriteLine("TIMESYNC: Failed to set time successfully");
return(false);
}
hasChanged = true;
om.OnChanged(new OmDeviceEventArgs(this));
// Verify that the clock is ticking
DateTime checkStart = DateTime.Now;
for (; ;)
{
if (OmApi.OM_FAILED(OmApi.OmGetTime((int)deviceId, out uint currentTime)))
{
Console.WriteLine("TIMESYNC: Failed to read time while checking change.");
return(false); // Failed to read time
}
if (currentTime > newTime && ((DateTime.Now - OmApi.OmDateTimeUnpack(currentTime)).TotalMilliseconds < 5000))
{
break; // The clock is ticking and within a few seconds of now
}
var td = DateTime.Now - checkStart;
if (Math.Abs(td.TotalMilliseconds) > 4000)
{
Console.WriteLine("TIMESYNC: Time is not ticking on device after " + (int)td.TotalSeconds + " sec.");
return(false); // The clock is not ticking
}
}
return(true);
}
