private static FXRegionInfoList GetFXRegionInfoList(XmlNode attributeNode,FXRegionType regionType)
{
FXRegionInfoList list = new FXRegionInfoList();
XmlNode regionNode;
if(regionType == FXRegionType.Param)
regionNode = attributeNode.SelectSingleNode("ParamRegion");
else
regionNode = attributeNode.SelectSingleNode("SpecialRegion");
list.From = Convert.ToInt32(regionNode.Attributes["from"].Value);
list.Len = Convert.ToInt32(regionNode.Attributes["len"].Value);
list.IsLoaded = false;
list.LoadTime = DateTime.MinValue;
XmlNodeList paramNodeList = regionNode.ChildNodes;
foreach (XmlNode paramNode in paramNodeList)
{
if(paramNode.NodeType == XmlNodeType.Element)
{
FXRegionInfoItem info = new FXRegionInfoItem();
info.Name = paramNode.Attributes["name"].Value;
info.TypeValue = Convert.ToInt32(paramNode.Attributes["type"].Value);
info.Offset = Convert.ToInt32(paramNode.Attributes["offset"].Value);
info.Len = Convert.ToInt32(paramNode.Attributes["len"].Value);
info.Value = null;
list.Items.Add(info.TypeValue, info);
}
}
return list;
}
/// <summary>使用这个方法获得特定FXRegionInfo的实例
///
/// </summary>
/// <param name="fxModel">PLC的型号</param>
/// <param name="type">区域类型：参数区域或者特殊区域</param>
/// <param name="typeInside">参数区域或者特殊区域内部类型由FXParamType或者FXSpecialType指定</param>
/// <returns></returns>
public static FXRegionInfo CreateFXRegionInfo(string fxModel,FXRegionType type,int typeInside,int len)
{
if(type == FXRegionType.Param)
{
FXParamType paramType = (FXParamType)typeInside;
if (paramType == FXParamType.Title) //如果是PLC标题，那么返回string类型的区域信息数据
return new FXStringRegionInfo(len);
else if (paramType == FXParamType.MLockFrom || paramType == FXParamType.MLockTo)
return new FXRegisterRegionInfo(fxModel, "M");
else if (paramType == FXParamType.SLockFrom || paramType == FXParamType.SLockTo)
return new FXRegisterRegionInfo(fxModel, "S");
else if (paramType == FXParamType.C16LockFrom || paramType == FXParamType.C16LockTo)
return new FXRegisterRegionInfo(fxModel, "C");
else if (paramType == FXParamType.C32LockFrom || paramType == FXParamType.C32LockTo)
return new FXRegisterRegionInfo(fxModel, "Cp");
else if (paramType == FXParamType.DLockFrom || paramType == FXParamType.DLockTo)
return new FXRegisterRegionInfo(fxModel, "D");
else
return new FXRegionInfo();
}
return null;
}
