/// <summary>
/// Retrieves the position of the scope in the sky.
/// </summary>
/// <param name="highPrecision"></param>
/// <returns>A one dimensional array contains the position in the first two elements.</returns>
public double[] GetPosition(bool highPrecision = true)
{
_log.LogVerbose("Retrieving scope's position in the sky...");
string cmd = "";
long denominator = -1;
if (CoordinateMode == 0)
{
LogHelper.WriteS("Invalid coordinate system value.", "ERROR", LogHelper.MessageTypes.ERROR);
return(new double[2]);
}
if (highPrecision)
{
if (CoordinateMode == CoordinateSystems.AZM_ALT)
{
cmd += "z";
}
else if (CoordinateMode == CoordinateSystems.RA_DEC)
{
cmd += "e";
}
denominator = 0x100000000;
}
else
{
if (CoordinateMode == CoordinateSystems.AZM_ALT)
{
cmd += "Z";
}
else if (CoordinateMode == CoordinateSystems.RA_DEC)
{
cmd += "E";
}
denominator = 0x10000;
}
string response = _helper.DoCommand(cmd);
//if (response.Length != expected_response_length)
string[] coordsString = response.Split(',');
double[] coords = new double[2];
for (int i = 0; i < 2; i++)
{
coords[i] = 360.0 * Convert.ToInt32(coordsString[i].Substring(0, 8), 16) / Convert.ToDouble(denominator);
}
_log.LogVerbose(string.Format("Scope coords are {0},{1}.", coords[0], coords[1]));
return(coords);
}
private void StartMoving(Directions direction)
{
switch (direction)
{
case Directions.Pos:
_serialHelper.DoCommand("D[+]\n");
log.LogVerbose("Moving dome in POS direction.");
break;
case Directions.Neg:
_serialHelper.DoCommand("D[-]\n");
log.LogVerbose("Moving dome in NEG direction.");
break;
default:
break;
}
}
// todo: move the moving functionality to the arduino to reduce stress on the server.
// the hardware end unit will aim for the target azi on its own.
public void StartMoving(Directions direction, ref SerialHelper serialHelper)
{
switch (direction)
{
case Directions.Pos:
serialHelper.DoCommand("H[+]\n");
break;
case Directions.Neg:
serialHelper.DoCommand("H[-]\n");
break;
default:
break;
}
}
/// <summary>
/// Retrieves the current alignment mode for the telescope.
/// </summary>
/// <returns>The current alignment mode for the telescope.</returns>
public AlignmentModes GetAlignmentMode()
{
string ACK = Encoding.ASCII.GetString(new byte[] { 0x06 }); // set the ACK ascii sign as per the LX200's specs.
string response = _helper.DoCommand(ACK);
switch (response)
{
case "A":
_log.Write("Alignment Mode is AltAz", "ALIGN");
return(AlignmentModes.AltAz);
case "L":
_log.Write("Alignment Mode is Land", "ALIGN");
return(AlignmentModes.Land);
case "P":
_log.Write("Alignment Mode is Polar", "ALIGN");
return(AlignmentModes.Polar);
default:
_log.Write("Error: invalid response from serial device.", "ALIGN", LogHelper.MessageTypes.ERROR);
throw new Exception();
}
}
public void StopMoving(ref SerialHelper serialHelper)
{
serialHelper.DoCommand("H[0]\n");
}