public DonTime ReadTime()
{
port.Write("r;");
string reply = ReadReply();
DonTime time = new DonTime(reply);
return(time);
}
private DonTime WriteTimeComponent(char symbol, int value)
{
port.Write(string.Format("w{0}{1};", symbol, value));
string reply = ReadReply();
DonTime time = new DonTime(reply);
return(time);
}
static int Main(string[] args)
{
int errorlevel = 1;
try {
bool sync = false;
bool prompt = false;
int numTrials = 1;
DayOfWeek dayOfWeekToWrite = DayOfWeek.Sunday;
bool shouldWriteDayOfWeek = false;
int hourToWrite = -1;
int minuteToWrite = -1;
int secondToWrite = -1;
if (args.Length > 0)
{
foreach (string x in args)
{
string[] token = x.Split(':');
if (token.Length == 2)
{
switch (token[0])
{
case "trials":
if (!int.TryParse(token[1], out numTrials) || numTrials < 1)
{
Console.WriteLine("Invalid number of trials specified: '{0}'", token[1]);
return(1);
}
break;
case "sync":
sync = true;
break;
case "wd":
// I was using the following, but it is too strict:
//dayOfWeekToWrite = (DayOfWeek) Enum.Parse (typeof(DayOfWeek), token[1]);
dayOfWeekToWrite = ParseDayOfWeek(token[1]);
shouldWriteDayOfWeek = true;
break;
case "wh":
hourToWrite = FilterValue(token[1], 0, 59);
break;
case "wm":
minuteToWrite = FilterValue(token[1], 0, 59);
break;
case "ws":
secondToWrite = FilterValue(token[1], 0, 59);
break;
default:
Console.WriteLine("Unknown option '{0}'", token[0]);
return(1);
}
}
else if (token.Length == 1)
{
switch (token[0])
{
case "sync":
sync = true;
break;
case "prompt":
prompt = true;
break;
default:
Console.WriteLine("Unknown option '{0}'", token[0]);
return(1);
}
}
else
{
Console.WriteLine("Invalid command line argument '{0}'", x);
return(1);
}
}
}
const int DELAY_BETWEEN_TRIALS = 137; // weird number to try to avoid "resonance" with clock display functions
using (DonClock donclock = new DonClock("COM1")) {
if (shouldWriteDayOfWeek)
{
donclock.WriteDay(dayOfWeekToWrite);
}
if (hourToWrite >= 0 && hourToWrite <= 59)
{
donclock.WriteHour(hourToWrite);
}
if (minuteToWrite >= 0 && minuteToWrite <= 59)
{
donclock.WriteMinute(minuteToWrite);
}
if (secondToWrite >= 0 && secondToWrite <= 59)
{
donclock.WriteSecond(secondToWrite);
}
double averageDriftInSeconds = 0.0;
double[] diffArray = new double[numTrials];
for (int i = 0; i < numTrials; ++i)
{
if (i > 0)
{
System.Threading.Thread.Sleep(DELAY_BETWEEN_TRIALS);
}
DateTime now = DateTime.Now;
DonTime dontime = donclock.ReadTime();
DonTime systime = new DonTime(DateTime.Now);
double diffInSeconds = 0.001 * (dontime.TotalMilliseconds - systime.TotalMilliseconds);
diffArray[i] = diffInSeconds;
averageDriftInSeconds = diffInSeconds; // will be overwritten with true average later, if numTrials > 0.
if (i == 0 || i == numTrials - 1)
{
if (i > 0)
{
Console.WriteLine();
Console.WriteLine();
}
Console.WriteLine("dontime = {0} {1} ms", dontime, dontime.TotalMilliseconds);
Console.WriteLine("systime = {0} {1} ms", systime, systime.TotalMilliseconds);
Console.WriteLine("diff = {0:0.000}", diffInSeconds);
Console.WriteLine();
}
else
{
Console.Write("\rTrial #{0}", (1 + i));
}
}
if (numTrials > 1)
{
double dev = StandardDeviation(diffArray, out averageDriftInSeconds);
Console.WriteLine("Average = {0:0.00000}, Standard Deviation = {1:0.00000}", averageDriftInSeconds, dev);
}
if (sync)
{
if (Math.Abs(averageDriftInSeconds) >= 0.001)
{
double adjustment = -averageDriftInSeconds;
DonTime updatedTime = donclock.AdjustTime(adjustment);
Console.WriteLine("Clock time was adjusted by {0:0.000} seconds.", adjustment);
Console.WriteLine("Clock reported updated time as {0}", updatedTime);
}
else
{
Console.WriteLine("No clock adjustment was needed.");
}
}
if (prompt)
{
Console.WriteLine("Entering raw prompt mode. Enter a blank line to exit...");
while (true)
{
string line = Console.ReadLine();
if (string.IsNullOrEmpty(line))
{
break;
}
string response = donclock.SendRawCommand(line);
Console.WriteLine("{0}", response);
}
}
errorlevel = 0;
}
} catch (Exception e) {
errorlevel = 2;
Console.WriteLine("ERROR: {0}", e.Message);
}
return(errorlevel);
}