/// <summary>
/// Gets the identifier in order of speedsections
/// </summary>
/// <param name="speedSections">Number of sections of speed</param>
/// <returns>Returns a representing byte for identifier</returns>
private byte GetIdentifier(Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections speedSections)
{
switch (speedSections)
{
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x14:
return((byte)16);
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x27:
return((byte)17);
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x28:
return((byte)18);
default:
return((byte)19);
}
}
/// <summary>
/// gets a int value from a speed bitarray of a info msg by central
/// </summary>
/// <param name="bitArray">info msg by central</param>
/// <param name="speedSections">speedsections of locomotive to calculate the speed</param>
/// <returns>returns the decimal representation of given array</returns>
private int DecodeSpeedBitArray(string bitArray, Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections speedSections)
{
int ret = 0;
int temp = 0;
switch (speedSections)
{
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x14:
temp = Base.FlakeHelper.ConvertBinaryStringToDecimal(bitArray);
if (temp == 1)
{
ret = 0;
}
ret = temp;
break;
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x27:
temp = Base.FlakeHelper.ConvertBinaryStringToDecimal(Base.FlakeHelper.ShiftArray(bitArray));
if (temp == 1 || temp == 2 || temp == 3)
{
ret = 0;
}
ret = temp;
break;
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x28:
temp = Base.FlakeHelper.ConvertBinaryStringToDecimal(Base.FlakeHelper.ShiftArray(bitArray));
if (temp == 1 || temp == 2 || temp == 3)
{
ret = 0;
}
ret = temp;
break;
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x128:
temp = Base.FlakeHelper.ConvertBinaryStringToDecimal(bitArray);
if (temp == 1)
{
ret = 0;
}
ret = temp;
break;
}
return(ret);
}
/// <summary>
/// calculates the speed and direction byte from current values
/// </summary>
/// <returns>Returnes a byte with coding fpr speed and direction</returns>
private static byte GetSpeedAndDirection(int speedValue, bool driveForward, Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections speedSections)
{
string directioncomponent = (driveForward) ? ("1") : ("0");
string tmp = string.Empty;
switch (speedSections)
{
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x14:
return((byte)(Base.FlakeHelper.ConvertBinaryStringToDecimal(directioncomponent + "000" + Base.FlakeHelper.ConvertDecimalToBinary(speedValue, 4))));
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x27:
tmp = Base.FlakeHelper.ConvertDecimalToBinary(speedValue + 3, 5);
return((byte)(Base.FlakeHelper.ConvertBinaryStringToDecimal(directioncomponent + "00" + tmp.Substring(4, 1) + tmp.Substring(0, 4))));
case Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections.x28:
tmp = Base.FlakeHelper.ConvertDecimalToBinary(speedValue + 3, 5);
return((byte)(Base.FlakeHelper.ConvertBinaryStringToDecimal(directioncomponent + "00" + tmp.Substring(4, 1) + tmp.Substring(0, 4))));
default:
return((byte)(Base.FlakeHelper.ConvertBinaryStringToDecimal(directioncomponent + Base.FlakeHelper.ConvertDecimalToBinary(speedValue, 7))));
}
}
/// <summary>
/// Get current speed in order of speedSteps
/// </summary>
/// <param name="speedSections">speedsteps of locomotive</param>
/// <returns>Returns a steps-depending value of speed</returns>
public int GetCurrentSpeed(Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections speedSections)
{
return(DecodeSpeedBitArray(_Speed.Substring(1, _Speed.Length - 1), speedSections));
}
/// <summary>
/// Construcor
/// </summary>
/// <param name="extAddress">Extended address of locomotive</param>
/// <param name="speedValue">Speed of locomotive to be set</param>
/// <param name="driveForward">use forward direction</param>
/// <param name="speedSections">speed section setup of locomotive</param>
public LocomotiveDrive(HiLoAddress extAddress, int speedValue, bool driveForward, Base.Enums.LocomotiveSpeedSections.LocomotiveSpeedSections speedSections)
: base(i18n.FlakeComunicationCommands.DriveCommandName, i18n.FlakeComunicationCommands.DriveCommandDesc)
{
_ByteArray = new byte[] { 255, 254, 228, GetIdentifier(speedSections), (byte)extAddress.Address_Hi,
(byte)extAddress.Address_Lo, GetSpeedAndDirection(speedValue, driveForward, speedSections) };
CommunicationHelper.AddChecksumByteToArray(ref _ByteArray);
_LogMsg = string.Format(i18n.FlakeComunicationCommandsLogMsgs.DriveCommand, extAddress.Address.ToString(), speedValue.ToString(), (driveForward) ?
(new Base.Enums.LocomotiveDirection.LocomotiveDirectionExtended(Base.Enums.LocomotiveDirection.LocomotiveDirection.forward).Name) :
(new Base.Enums.LocomotiveDirection.LocomotiveDirectionExtended(Base.Enums.LocomotiveDirection.LocomotiveDirection.backward).Name));
}
