public void PulseGuide(GuideDirections Direction, int Duration)
{
if (MyDriverType == 0)
{
MySSCamera.PulseGuide(Direction, Duration);
}
else
{
tl.LogMessage("PulseGuide", "Not implemented");
throw new ASCOM.MethodNotImplementedException("PulseGuide");
}
}
public void PulseGuide(GuideDirections Direction, int Duration)
{
CheckConnected();
if (!Platform.IsTracking)
{
throw new InvalidOperationException("cannot PulseGuide when platform is not tracking");
}
double ra = 0.0, dec = 0.0;
switch (Direction)
{
case GuideDirections.guideEast: ra = (double)Duration; break;
case GuideDirections.guideWest: ra = (double)-Duration; break;
case GuideDirections.guideNorth: dec = (double)Duration; break;
case GuideDirections.guideSouth: dec = (double)-Duration; break;
}
double st4ra, st4dec;
TransformGuidePulse(ra, dec, out st4ra, out st4dec);
// issue the RA pulse
GuideDirections dir;
if (st4ra >= 0.0)
{
dir = GuideDirections.guideEast;
}
else
{
dir = GuideDirections.guideWest;
}
int dur = (int)(Math.Abs(st4ra) + 0.5);
if (dur > 0)
{
m_camera.PulseGuide(dir, dur);
tl.LogMessage("TransformGuidePulse", String.Format("log: dir={0} dur={1} ms Tet={2:F3} sec", dir, dur, Platform.TrackingTimeElapsed));
System.Threading.Thread.Sleep(dur + 10);
Stopwatch stopwatch = Stopwatch.StartNew();
while (m_camera.IsPulseGuiding)
{
if (stopwatch.ElapsedMilliseconds > 5000 + dur)
{
throw new ASCOM.DriverException("timed-out waiting for pulse guide to complete");
}
System.Threading.Thread.Sleep(10);
}
tl.LogMessage("TransformGuidePulse", String.Format("log: dir={0} dur={1} ms Tet={2:F3} sec", dir, dur, Platform.TrackingTimeElapsed));
}
// issue the dec pulse
if (st4dec >= 0.0)
{
dir = GuideDirections.guideNorth;
}
else
{
dir = GuideDirections.guideSouth;
}
dur = (int)(Math.Abs(st4dec) + 0.5);
if (dur > 0)
{
m_camera.PulseGuide(dir, dur);
tl.LogMessage("TransformGuidePulse", String.Format("log: dir={0} dur={1} ms Tet={2:F3} sec", dir, dur, Platform.TrackingTimeElapsed));
System.Threading.Thread.Sleep(dur + 10);
Stopwatch stopwatch = Stopwatch.StartNew();
while (m_camera.IsPulseGuiding)
{
if (stopwatch.ElapsedMilliseconds > 5000 + dur)
{
throw new ASCOM.DriverException("timed-out waiting for pulse guide to complete");
}
System.Threading.Thread.Sleep(10);
}
tl.LogMessage("TransformGuidePulse", String.Format("log: dir={0} dur={1} ms Tet={2:F3} sec", dir, dur, Platform.TrackingTimeElapsed));
}
// issue the resulting RA and Dec pulses by interleaving
//GuideDirections ra_dir = st4ra >= 0.0 ? GuideDirections.guideEast : GuideDirections.guideWest;
//GuideDirections dec_dir = st4dec >= 0.0 ? GuideDirections.guideNorth : GuideDirections.guideSouth;
//int ra_tot = (int)(Math.Abs(st4ra) + 0.5);
//int dec_tot = (int)(Math.Abs(st4dec) + 0.5);
//const int nominal_pulse_ms = 500; // nominal pulse duration TODO: make configurable?
//int steps = Math.Max(1, Math.Min(ra_tot, dec_tot) / nominal_pulse_ms);
//int ra_step = (ra_tot + steps - 1) / steps;
//int dec_step = (dec_tot + steps - 1) / steps;
//tl.LogMessage("Output", String.Format("log: ra_tot={0:F0} ms dec_tot={1:F0} ms ra_step={2:F0} ms dec_step={3:F0} ms", ra_tot, dec_tot, ra_step, dec_step));
//while (ra_tot > 0 || dec_tot > 0)
//{
//{
//int ra_dur = Math.Min(ra_step, ra_tot);
//ra_tot -= ra_dur;
//if (ra_dur > 0)
//{
//m_camera.PulseGuide(ra_dir, ra_dur);
//tl.LogMessage("Output", String.Format("log: ra_dir={0:F0} ra_dur={1:F0} ms", ra_dir, ra_dur));
//System.Threading.Thread.Sleep(ra_dur + 10);
//Stopwatch stopwatch = Stopwatch.StartNew();
//while (m_camera.IsPulseGuiding)
//{
//if (stopwatch.ElapsedMilliseconds > 5000 + ra_dur)
//throw new ASCOM.DriverException("timed-out waiting for pulse guide to complete");
//System.Threading.Thread.Sleep(10);
//}
//}
//}
//{
//int dec_dur = Math.Min(dec_step, dec_tot);
//dec_tot -= dec_dur;
//if (dec_dur > 0)
//{
//m_camera.PulseGuide(dec_dir, dec_dur);
//tl.LogMessage("Output", String.Format("log: dec_dir={0:F0} dec_dur={1:F0} ms", dec_dir, dec_dur));
//System.Threading.Thread.Sleep(dec_dur + 10);
//Stopwatch stopwatch = Stopwatch.StartNew();
//while (m_camera.IsPulseGuiding)
//{
//if (stopwatch.ElapsedMilliseconds > 5000 + dec_dur)
//throw new ASCOM.DriverException("timed-out waiting for pulse guide to complete");
//System.Threading.Thread.Sleep(10);
//}
//}
//}
//}
}