public bool WriteSingleElement(PlcScanItems item, object value)
{
PlcMemory memorytype = item.AddressType;
string bitstartaddress = string.Empty;
short startaddress = 0;
if (item.DataType == DataType.BIT)
{
bitstartaddress = item.Address;
}
else
{
startaddress = short.Parse(item.Address);
}
short result = 0;
//lock (writeLock)
lock (readLock)
{
switch (item.DataType)
{
case DataType.BIT:
bool boolvalue = (bool)value;
if (boolvalue)
{
result = omronethernetplc.SetBitState(memorytype, bitstartaddress.ToString(), BitState.ON);
}
else
{
result = omronethernetplc.SetBitState(memorytype, bitstartaddress.ToString(), BitState.OFF);
}
break;
case DataType.INT16:
Int16 int16value = Convert.ToInt16(value.ToString());
result = omronethernetplc.WriteInt16(memorytype, startaddress, int16value);
break;
case DataType.INT32:
Int32 int32value = Convert.ToInt32(value.ToString());
result = omronethernetplc.WriteInt32(memorytype, startaddress, int32value);
break;
case DataType.REAL:
float floatvalue = Convert.ToSingle(value.ToString());
result = omronethernetplc.WriteFloat(memorytype, startaddress, floatvalue);
break;
case DataType.UINT16:
UInt16 uint16value = Convert.ToUInt16(value.ToString());
result = omronethernetplc.WriteUint16(memorytype, startaddress, uint16value);
break;
case DataType.UINT32:
UInt32 uint32value = Convert.ToUInt32(value.ToString());
result = omronethernetplc.WriteUint32(memorytype, startaddress, uint32value);
break;
case DataType.STRING:
if ((value.ToString()).Length >= 64)
{
return(false);
}
return(WriteString(item, 32, value.ToString()));
}
if (result == 0)
{
return(true);
}
else
{
bConnectOmronPLC = false;
return(false);
}
}
}