private ModbusTcpConfigItem GetModbusTcpConfigItemByRegAddr(ushort regAddr)
{
var items = from n in m_config.ModbusTcpItems
where n.RegAddr == regAddr
select n;
ModbusTcpConfigItem mbTcpCfgItem = null;
foreach (ModbusTcpConfigItem item in items)
{
mbTcpCfgItem = item;
}
return(mbTcpCfgItem);
}
private List <ModbusTcpDataEntity> GetModbusTcpData(ModbusTcpResult mbTcpResult)
{
List <ModbusTcpDataEntity> mbTcpDataList = new List <ModbusTcpDataEntity>();
//查找对应的operation
var ops = from n in m_config.ModbusOperations
where n.Identifier == mbTcpResult.Identifier
select n;
ModbusTcpOperation mbTcpOp = null;
foreach (ModbusTcpOperation op in ops)
{
mbTcpOp = op;
}
if (mbTcpOp != null)
{
for (int i = 0; i < mbTcpOp.RegCount; i++)
{
ushort currentAddr = (ushort)(mbTcpOp.StartAddr + i);
ModbusTcpConfigItem mbTcpCfgItem = GetModbusTcpConfigItemByRegAddr(currentAddr);
if (mbTcpCfgItem != null)
{
ModbusTcpDataEntity dataEntity = new ModbusTcpDataEntity();
dataEntity.RID = Guid.NewGuid().ToString();
dataEntity.Device_Addr = mbTcpCfgItem.DeviceAddr.ToString();
dataEntity.Station = m_config.ServerName;
dataEntity.Sensor_Type = "-1";
dataEntity.Sensor_Name = mbTcpCfgItem.Name;
dataEntity.Ori_Value = mbTcpResult.ResultData[i];
dataEntity.Trans_Value = dataEntity.Ori_Value * mbTcpCfgItem.Multiplier;
dataEntity.Trans_Unit = mbTcpCfgItem.Unit;
dataEntity.DataAcqTime = mbTcpResult.DataAcqTime;
mbTcpDataList.Add(dataEntity);
}
}
}
return(mbTcpDataList);
}
private List <ModbusTcpConfigItem> GetModbusTcpConfigItems()
{
List <ModbusTcpConfigItem> items = new List <ModbusTcpConfigItem>();
XmlNode itemsNode = GetModbusTcpConfigItemsNode();
if (itemsNode != null)
{
XmlNodeList itemNodeList = itemsNode.SelectNodes("item");
foreach (XmlNode itemNode in itemNodeList)
{
ModbusTcpConfigItem item = new ModbusTcpConfigItem();
if (itemNode.Attributes["device_addr"] != null)
{
string sDeviceAddr = itemNode.Attributes["device_addr"].Value;
byte tempDeviceAddr;
if (byte.TryParse(sDeviceAddr, out tempDeviceAddr))
{
item.DeviceAddr = tempDeviceAddr;
}
}
if (item.DeviceAddr == null)
{
continue;
}
if (itemNode.Attributes["addr"] != null)
{
string sAddr = itemNode.Attributes["addr"].Value;
ushort tempAddr;
if (ushort.TryParse(sAddr, out tempAddr))
{
item.RegAddr = tempAddr;
}
}
if (item.RegAddr == null)
{
continue;
}
if (itemNode.Attributes["name"] != null)
{
item.Name = itemNode.Attributes["name"].Value;
}
else
{
item.Name = string.Empty;
}
item.Multiplier = 1.0;
if (itemNode.Attributes["multiplier"] != null)
{
string sMultiplier = itemNode.Attributes["multiplier"].Value;
double dMultiplier;
if (double.TryParse(sMultiplier, out dMultiplier))
{
item.Multiplier = dMultiplier;
}
}
if (itemNode.Attributes["unit"] != null)
{
item.Unit = itemNode.Attributes["unit"].Value;
}
else
{
item.Unit = string.Empty;
}
}
}
return(items);
}
