/// <summary>
/// Initializes a new instance of the <see cref="LightTower"/> class.
/// </summary>
/// <param name="red">The red DO bit.</param>
/// <param name="yellow">The yellow DO bit.</param>
/// <param name="green">The green DO bit.</param>
/// <param name="blue">The blue DO bit.</param>
public LightTower(DOBit red, DOBit yellow, DOBit green, DOBit blue)
{
_red = red;
_yellow = yellow;
_green = green;
_blue = blue;
_bits = new DOBit[] { _red, _yellow, _green, _blue };
_blinkTimer = new Timer();
_blinkTimer.Interval = 500;
_blinkTimer.Elapsed += BlinkTimer_Elapsed;
_blinkTimer.Enabled = true;
}
/// <summary>
/// Creates the IO parts from comma separated strings.
/// Uses the format "Name,Device,Channel,(ReadOnly | optional)"
/// </summary>
/// <param name="partLines">The string line describing a single IOPart.</param>
/// <param name="type">The IO part type. ie. DIBit, DOBit, etc.</param>
/// <param name="ioParts">The IO parts.</param>
/// <returns></returns>
/// <exception cref="System.Exception">IO part must be in the form {name},{device name},{channel}</exception>
private IList <string> CreateIOParts(IEnumerable <string> partLines, IOPartType type, out IList <IIOPart> ioParts)
{
ioParts = new List <IIOPart>();
List <string> forcedParts = new List <string>();
foreach (string partLine in partLines)
{
IIOPart part = null;
try
{
string[] partInfo = partLine.Split(',');
string partName = partInfo[0];
string deviceName = partInfo[1];
int channel = -1;
bool readOnly = false;
if (partInfo.Length > 2)
{
int.TryParse(partInfo[2], out channel);
}
if (channel < 0)
{
throw new Exception("IO part must be in the form {name},{device name},{channel}");
}
if (String.Equals(partInfo.Last(), "ReadOnly", StringComparison.CurrentCultureIgnoreCase) ||
String.Equals(partInfo.Last(), "Reserved", StringComparison.CurrentCultureIgnoreCase))
{
readOnly = true;
}
if (string.IsNullOrEmpty(deviceName))
{
deviceName = GetSimDeviceType().Name;
Log.Error(this, "No device name specified for {0}. Switching to a Simulated {1} device instead.", partInfo[0], Name);
}
IIODevice device = GetDevice(deviceName);
if (device == null)
{
string simName = GetSimDeviceType().Name;
if (!String.Equals(deviceName, simName, StringComparison.CurrentCultureIgnoreCase))
{
Log.Error(this, "No device found with the name '{0}'. Switching to a Simulated {1} device instead.", deviceName, Name);
}
device = GetSimDevice(deviceName);
}
try
{
if (!device.Connected)
{
device.Open();
}
}
catch (Exception ex)
{
Log.Error(this, "{0} could not connect to {1} device '{2}' on port {3}. {4}", typeof(IIOPart).Name, device.GetType().Name, device.Name, device.Port, ex);
Log.Error(this, "Switching {0} '{1}' to simulated device instead.", typeof(IIOPart).Name, partName);
device = GetSimDevice(deviceName);
}
if (!_devMgr.Devices.Contains(deviceName))
{
_devMgr.Devices.Add(device);
}
switch (type)
{
case IOPartType.DIBit:
part = new DIBit(device);
break;
case IOPartType.DOBit:
part = new DOBit(device);
break;
case IOPartType.AIBit:
part = new AIBit(device);
break;
case IOPartType.AOBit:
part = new AOBit(device);
break;
case IOPartType.DIWord:
DIWord inWord = new DIWord(device);
InitializeWord(inWord, partInfo);
part = inWord;
break;
case IOPartType.DOWord:
DOWord outWord = new DOWord(device);
InitializeWord(outWord, partInfo);
part = outWord;
break;
}
part.Name = partName;
part.Channel = channel;
part.ReadOnly = readOnly;
ioParts.Add(part);
if (!String.Equals(device.Name, deviceName, StringComparison.CurrentCultureIgnoreCase))
{
forcedParts.Add(part.Name);
}
}
catch (Exception ex)
{
string error = "";
if (type == IOPartType.DIWord || type == IOPartType.DOWord)
{
error += "Word ";
}
else
{
error += "Bit ";
}
if (part != null && !String.IsNullOrEmpty(part.Name))
{
error += part.Name + " ";
}
error += String.Format("could not be parsed from string {0}.\n{1}", partLine, ex);
Log.Error(this, error);
}
}
return(forcedParts);
}