/// <summary>
/// Загрузить шаблон устройства
/// </summary>
public bool Load(string fileName, out string errMsg)
{
SetToDefault();
try
{
// загрузка шаблона устройства
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(fileName);
// загрузка настроек шаблона
XmlNode settingsNode = xmlDoc.DocumentElement.SelectSingleNode("Settings");
if (settingsNode != null)
{
Sett.LoadFromXml((XmlElement)settingsNode);
}
// загрузка групп элементов
XmlNode elemGroupsNode = xmlDoc.DocumentElement.SelectSingleNode("ElemGroups");
if (elemGroupsNode != null)
{
int kpTagInd = 0;
foreach (XmlElement elemGroupElem in elemGroupsNode.ChildNodes)
{
TableTypes tableType = elemGroupElem.GetAttrAsEnum <TableTypes>("tableType");
ElemGroup elemGroup = new ElemGroup(tableType);
elemGroup.Name = elemGroupElem.GetAttribute("name");
elemGroup.Address = (ushort)elemGroupElem.GetAttrAsInt("address");
elemGroup.Active = elemGroupElem.GetAttrAsBool("active", true);
elemGroup.StartKPTagInd = kpTagInd;
elemGroup.StartSignal = kpTagInd + 1;
XmlNodeList elemNodes = elemGroupElem.SelectNodes("Elem");
ElemTypes defElemType = elemGroup.DefElemType;
foreach (XmlElement elemElem in elemNodes)
{
Elem elem = new Elem();
elem.Name = elemElem.GetAttribute("name");
elem.ElemType = elemElem.GetAttrAsEnum("type", defElemType);
if (elemGroup.ByteOrderEnabled)
{
elem.ByteOrderStr = elemElem.GetAttribute("byteOrder");
elem.ByteOrder = ModbusUtils.ParseByteOrder(elem.ByteOrderStr);
if (elem.ByteOrder == null)
{
elem.ByteOrder = Sett.GetDefByteOrder(elem.Length);
}
}
elemGroup.Elems.Add(elem);
}
if (0 < elemGroup.Elems.Count && elemGroup.Elems.Count <= DataUnit.GetMaxElemCnt(tableType))
{
ElemGroups.Add(elemGroup);
kpTagInd += elemGroup.Elems.Count;
}
}
}
// загрузка команд
XmlNode cmdsNode = xmlDoc.DocumentElement.SelectSingleNode("Cmds");
if (cmdsNode != null)
{
foreach (XmlElement cmdElem in cmdsNode.ChildNodes)
{
ModbusCmd cmd = new ModbusCmd(
cmdElem.GetAttrAsEnum <TableTypes>("tableType"),
cmdElem.GetAttrAsBool("multiple"),
cmdElem.GetAttrAsInt("elemCnt", 1));
cmd.ElemType = cmdElem.GetAttrAsEnum("elemType", cmd.DefElemType);
cmd.Address = (ushort)cmdElem.GetAttrAsInt("address");
cmd.Name = cmdElem.GetAttribute("name");
cmd.CmdNum = cmdElem.GetAttrAsInt("cmdNum");
if (cmd.ByteOrderEnabled)
{
cmd.ByteOrderStr = cmdElem.GetAttribute("byteOrder");
cmd.ByteOrder = ModbusUtils.ParseByteOrder(cmd.ByteOrderStr);
if (cmd.ByteOrder == null)
{
cmd.ByteOrder = Sett.GetDefByteOrder(cmd.ElemCnt);
}
}
if (0 < cmd.CmdNum && cmd.CmdNum <= ushort.MaxValue)
{
Cmds.Add(cmd);
}
}
}
errMsg = "";
return(true);
}
catch (Exception ex)
{
errMsg = ModbusPhrases.LoadTemplateError + ":" + Environment.NewLine + ex.Message;
return(false);
}
}