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Implemented SlewToAltAz and SlewToAltAzAsync

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This commit is contained in:
Colin Dawson
2019-05-06 22:43:01 +01:00
parent 76eb088d4e
commit eab151d295
5 changed files with 296 additions and 212 deletions
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MeadeAutostar497/Controller/ITelescopeController.cs
+2
View File
@@ -25,5 +25,7 @@ namespace ASCOM.MeadeAutostar497.Controller
void Park();
void SlewToCoordinates(double rightAscension, double declination);
void SlewToCoordinatesAsync(double rightAscension, double declination);
void SlewToAltAz(double azimuth, double altitude);
void SlewToAltAzAsync(double azimuth, double altitude);
}
}
MeadeAutostar497/Controller/TelescopeController.cs
+109 -31
View File
@@ -410,7 +410,7 @@ namespace ASCOM.MeadeAutostar497.Controller
//todo implement the low precision version
var hms = _util.HoursToHMS(value, ":", ":", ":", 2);
var hms = Util.HoursToHMS(value, ":", ":", ":", 2);
var response = SerialPort.CommandChar($":Sr{hms}#");
//:SrHH:MM.T#
//:SrHH:MM:SS#
@@ -453,7 +453,7 @@ namespace ASCOM.MeadeAutostar497.Controller
throw new ASCOM.InvalidValueException("Declination cannot be less than -90.");
var dms = _util.DegreesToDMS(value, "*", ":", ":", 2);
var dms = Util.DegreesToDMS(value, "*", ":", ":", 2);
var s = value < 0 ? '-' : '+';
var result = SerialPort.CommandChar($":Sd{s}{dms}#");
@@ -540,7 +540,7 @@ namespace ASCOM.MeadeAutostar497.Controller
while (Slewing) //wait for slew to complete
{
_util.WaitForMilliseconds(200); //be responsive to AbortSlew();
Util.WaitForMilliseconds(200); //be responsive to AbortSlew();
}
}
@@ -549,45 +549,123 @@ namespace ASCOM.MeadeAutostar497.Controller
TargetRightAscension = rightAscension;
TargetDeclination = declination;
DoSlewAsync();
DoSlewAsync(true);
}
private void DoSlewAsync()
public void SlewToAltAz(double azimuth, double altitude)
{
char response = Char.MinValue;
switch (AlignmentMode)
SlewToAltAzAsync(azimuth, altitude);
while (Slewing) //wait for slew to complete
{
case AlignmentModes.algPolar:
response = SerialPort.CommandChar(":MS#");
Util.WaitForMilliseconds(200); //be responsive to AbortSlew();
}
}
private double TargetAltitude
{
set
{
if (value > 90)
throw new ASCOM.InvalidValueException("Altitude cannot be greater than 90.");
if (value < 0)
throw new ASCOM.InvalidValueException("Altitide cannot be less than 0.");
var dms = Util.DegreesToDMS(value, "*", "'", ".", 2);
var s = value < 0 ? '-' : '+';
var result = SerialPort.CommandChar($":Sa{s}{dms}#");
//:SasDD*MM#
//Set target object altitude to sDD*MM# or sDD*MM’SS# [LX 16”, Autostar, Autostar II]
//Returns:
//1 Object within slew range
//0 Object out of slew range
if (result == '0')
throw new ASCOM.InvalidOperationException("Target altitude out of slew range");
}
}
private double TargetAzimuth
{
set
{
if (value >= 360)
throw new ASCOM.InvalidValueException("Azimuth cannot be 360 or higher.");
if (value < 0)
throw new ASCOM.InvalidValueException("Azimuth cannot be less than 0.");
var dms = Util.DegreesToDM(value, "*", ":", 2);
var result = SerialPort.CommandChar($":Sd{dms}#");
//:SzDDD*MM#
//Sets the target Object Azimuth[LX 16” and Autostar II only]
//Returns:
//0 – Invalid
//1 - Valid
if (result == '0')
throw new ASCOM.InvalidOperationException("Target Azimuth out of slew range");
}
}
public void SlewToAltAzAsync(double azimuth, double altitude)
{
TargetAltitude = altitude;
TargetAzimuth = azimuth;
DoSlewAsync(false);
}
//todo remove the polar parameter and split method into two.
private void DoSlewAsync( bool polar)
{
switch (polar)
{
case true:
var response = SerialPort.CommandChar(":MS#");
//:MS# Slew to Target Object
//Returns:
//0 Slew is Possible
//1<string># Object Below Horizon w/string message
//2<string># Object Below Higher w/string message
break;
case AlignmentModes.algAltAz:
break;
default:
throw new ASCOM.NotImplementedException("Not implemented");
}
switch (response)
{
case '0':
//We're slewing everything should be working just fine.
break;
case '1':
//Below Horizon
string belowHorizonMessage = SerialPort.ReadTerminated("#");
throw new ASCOM.InvalidOperationException(belowHorizonMessage);
case '2':
//Below Horizon
string belowMinimumElevationMessage = SerialPort.ReadTerminated("#");
throw new ASCOM.InvalidOperationException(belowMinimumElevationMessage);
default:
throw new ASCOM.DriverException("This error should not happen");
switch (response)
{
case '0':
//We're slewing everything should be working just fine.
break;
case '1':
//Below Horizon
string belowHorizonMessage = SerialPort.ReadTerminated("#");
throw new ASCOM.InvalidOperationException(belowHorizonMessage);
case '2':
//Below Horizon
string belowMinimumElevationMessage = SerialPort.ReadTerminated("#");
throw new ASCOM.InvalidOperationException(belowMinimumElevationMessage);
default:
throw new ASCOM.DriverException("This error should not happen");
}
}
break;
case false:
var maResponse = SerialPort.CommandChar(":MA#");
//:MA# Autostar, LX 16”, Autostar II – Slew to target Alt and Az
//Returns:
//0 - No fault
//1 – Fault
// LX200 – Not supported
if (maResponse == '1')
{
throw new ASCOM.InvalidOperationException("fault");
}
break;
}
}
public bool UserNewerPulseGuiding { get; set; } = true; //todo make this a device setting