private void GetParametersReadInfo(
IEnumerable<ReadParameter> parameters,
out Dictionary<byte, SlaveReadInfo> infos,
out List<KeyValuePair<ReadParameter, byte?>> paramSlaveReadAddresses)
{
infos = new Dictionary<byte, SlaveReadInfo>();
var readParameters = parameters as ReadParameter[] ?? parameters.ToArray();
paramSlaveReadAddresses = new List<KeyValuePair<ReadParameter, byte?>>(readParameters.Count());
foreach (var parameter in readParameters)
{
var regex = new Regex(DevicePattern);
var match = regex.Match(parameter.Address);
if (!match.Success)
{
throw new Exception(parameter.Address + " is not a valid device address");
}
#region Get slave address
var slaveAddress = _defaultAddress;
var match1 = match.Groups[1].ToString();
if (!string.IsNullOrEmpty(match1) && match1.Length > 1)
{
int i;
if (int.TryParse(match1.Substring(0, match1.Length - 1), out i))
{
if (i >= byte.MinValue && i <= byte.MaxValue)
{
slaveAddress = (byte)i;
}
else
{
throw new Exception(parameter.Address + ": slave address incorrect");
}
}
}
paramSlaveReadAddresses.Add(new KeyValuePair<ReadParameter, byte?>(parameter, slaveAddress));
#endregion
#region Get device address
ushort deviceAddress;
if (!ushort.TryParse(match.Groups[3].ToString(), out deviceAddress) || deviceAddress == 0)
{
throw new Exception(parameter.Address + ": device index not supported");
}
deviceAddress -= 1;
var match2 = match.Groups[2].ToString();
int? length;
if (parameter.ValueType == typeof(bool))
{
if (match2 != "0" && match2 != "1")
{
throw new Exception(
"Type " + parameter.ValueType.Name + " is not supported for" + parameter.Address);
}
length = 1;
}
else
{
if (match2 != "3" && match2 != "4")
{
throw new Exception(
"Type " + parameter.ValueType.Name + " is not supported for" + parameter.Address);
}
length = TypeToRegistersCount(parameter.ValueType);
if (length == null)
{
throw new Exception(
"Type " + parameter.ValueType.Name + " is not supported for" + parameter.Address);
}
}
#endregion
#region Check device index
var deviceLength = length.Value;
if (deviceLength + deviceAddress - 1 > ushort.MaxValue)
{
throw new Exception(parameter.Address + ": device index is out of range");
}
#endregion
#region ReadInfo
SlaveReadInfo readInfo;
if (!infos.TryGetValue(slaveAddress, out readInfo))
{
readInfo = new SlaveReadInfo();
infos.Add(slaveAddress, readInfo);
}
#endregion
#region Fill ReadInfo
switch (match2)
{
case "0":
if (!readInfo.Coils.Contains(deviceAddress))
readInfo.Coils.Add(deviceAddress);
readInfo.CoilsAddresses.Add(parameter, deviceAddress);
break;
case "1":
if (!readInfo.Contacts.Contains(deviceAddress))
readInfo.Contacts.Add(deviceAddress);
readInfo.ContactsAddresses.Add(parameter, deviceAddress);
break;
case "3":
var ir = new KeyValuePair<ushort, int>(deviceAddress, deviceLength);
if (!readInfo.InputRegisters.Contains(ir))
readInfo.InputRegisters.Add(ir);
readInfo.InputRegistersAddresses.Add(parameter, ir);
break;
case "4":
var hr = new KeyValuePair<ushort, int>(deviceAddress, deviceLength);
if (!readInfo.HoldingRegisters.Contains(hr))
readInfo.HoldingRegisters.Add(hr);
readInfo.HoldingRegistersAddresses.Add(parameter, hr);
break;
}
#endregion
}
}
private static void SortReadInfoDevices(SlaveReadInfo readInfo)
{
readInfo.Coils.Sort();
readInfo.Contacts.Sort();
Comparison<KeyValuePair<ushort, int>> comparison =
(c1, c2) =>
{
if (c1.Key > c2.Key)
return 1;
if (c1.Key < c2.Key)
return -1;
if (c1.Value > c2.Value)
return -1;
if (c1.Value < c2.Value)
return 1;
return 0;
};
readInfo.InputRegisters.Sort(comparison);
readInfo.HoldingRegisters.Sort(comparison);
}
