protected override void EncodeRead(ReadOperation operation)
{
//uid
operation.Request[0] = operation.UnitId;
//Body
//function code
operation.Request[m_dataBodyOffset] = operation.FunctionCode;
//address
byte[] address_byte = BitConverter.GetBytes(IPAddress.HostToNetworkOrder((Int16)(operation.Address)));
operation.Request[m_dataBodyOffset + 1] = address_byte[0];
operation.Request[m_dataBodyOffset + 2] = address_byte[1];
//count
byte[] count_byte = BitConverter.GetBytes(IPAddress.HostToNetworkOrder((Int16)operation.Count));
operation.Request[m_dataBodyOffset + 3] = count_byte[0];
operation.Request[m_dataBodyOffset + 4] = count_byte[1];
if (GetCRC(operation.Request, 6, out UInt16 crc))
{
byte[] crc_byte = BitConverter.GetBytes(crc);
operation.Request[m_dataBodyOffset + 5] = crc_byte[0];
operation.Request[m_dataBodyOffset + 6] = crc_byte[1];
}
}
protected void ProcessResponse(ModbusSlaveConfig config, ReadOperation x)
{
int count = 0;
int step_size = 0;
int start_digit = 0;
List <ModbusOutValue> value_list = new List <ModbusOutValue>();
switch (x.Response[m_dataBodyOffset])//function code
{
case (byte)ModbusConstants.FunctionCodeType.ReadCoils:
case (byte)ModbusConstants.FunctionCodeType.ReadInputs:
{
count = x.Response[m_dataBodyOffset + 1] * 8;
count = (count > x.Count) ? x.Count : count;
step_size = 1;
start_digit = x.Response[m_dataBodyOffset] - 1;
break;
}
case (byte)ModbusConstants.FunctionCodeType.ReadHoldingRegisters:
case (byte)ModbusConstants.FunctionCodeType.ReadInputRegisters:
{
count = x.Response[m_dataBodyOffset + 1];
step_size = 2;
start_digit = (x.Response[m_dataBodyOffset] == 3) ? 4 : 3;
break;
}
}
byte[] tValue = new byte[4];
string res = "";
string cell = "";
string val = "";
for (int i = 0; i < count; i += step_size)
{
res = "";
cell = "";
val = "";
if (step_size == 1)
{
cell = string.Format(x.OutFormat, (char)x.EntityType, x.Address + i + 1);
val = string.Format("{0}", (x.Response[m_dataBodyOffset + 2 + (i / 8)] >> (i % 8)) & 0b1);
}
else if (step_size == 2)
{
cell = string.Format(x.OutFormat, (char)x.EntityType, x.Address + (i / 2) + 1);
val = string.Format("{0,00000}", ((x.Response[m_dataBodyOffset + 2 + i]) * 0x100 + x.Response[m_dataBodyOffset + 3 + i]));
//Console.WriteLine(">> " + i.ToString() + ":" + (x.Response[m_dataBodyOffset + 2 + i]).ToString());
//Console.WriteLine(">> " + i.ToString() + ":" + (x.Response[m_dataBodyOffset + 3 + i]).ToString());
// Little Endian
tValue[3 - i] = (x.Response[m_dataBodyOffset + 2 + i]);
tValue[3 - (i + 1)] = (x.Response[m_dataBodyOffset + 3 + i]);
}
}
//Console.WriteLine(ByteArrayToString(tValue));
if (x.Signed)
{
val = (((Double)(BitConverter.ToInt32(tValue))) / ((double)x.Divisor)).ToString(x.NumberFormat);
}
else
{
val = (((Double)(BitConverter.ToUInt32(tValue))) / ((double)x.Divisor)).ToString(x.NumberFormat);
}
res = cell + ": " + val + "\n";
if (x.Debug)
{
Console.WriteLine(res);
}
ModbusOutValue value = new ModbusOutValue()
{
DisplayName = x.DisplayName, Address = cell, Value = val
};
value_list.Add(value);
if (value_list.Count > 0)
{
PrepareOutMessage(config.HwId, x.CorrelationId, value_list);
}
}
protected abstract void EncodeRead(ReadOperation operation);
public void Validate()
{
List <string> invalidConfigs = new List <string>();
foreach (var config_pair in SlaveConfigs)
{
ModbusSlaveConfig slaveConfig = config_pair.Value;
if (slaveConfig == null)
{
Console.WriteLine($"{config_pair.Key} is null, remove from dictionary...");
invalidConfigs.Add(config_pair.Key);
continue;
}
if (slaveConfig.TcpPort == null || slaveConfig.TcpPort <= 0)
{
Console.WriteLine($"Invalid TcpPort: {slaveConfig.TcpPort}, set to DefaultTcpPort: {ModbusConstants.DefaultTcpPort}");
slaveConfig.TcpPort = ModbusConstants.DefaultTcpPort;
}
if (slaveConfig.RetryCount == null || slaveConfig.RetryCount <= 0)
{
Console.WriteLine($"Invalid RetryCount: {slaveConfig.RetryCount}, set to DefaultRetryCount: {ModbusConstants.DefaultRetryCount}");
slaveConfig.RetryCount = ModbusConstants.DefaultRetryCount;
}
if (slaveConfig.RetryInterval == null || slaveConfig.RetryInterval <= 0)
{
Console.WriteLine($"Invalid RetryInterval: {slaveConfig.RetryInterval}, set to DefaultRetryInterval: {ModbusConstants.DefaultRetryInterval}");
slaveConfig.RetryInterval = ModbusConstants.DefaultRetryInterval;
}
List <string> invalidOperations = new List <string>();
foreach (var operation_pair in slaveConfig.Operations)
{
ReadOperation operation = operation_pair.Value;
if (operation == null)
{
Console.WriteLine($"{operation_pair.Key} is null, remove from dictionary...");
invalidOperations.Add(operation_pair.Key);
continue;
}
if (operation.StartAddress.Length < 5)
{
Console.WriteLine($"{operation_pair.Key} has invalid StartAddress {operation.StartAddress}, remove from dictionary...");
invalidOperations.Add(operation_pair.Key);
continue;
}
ParseEntity(operation.StartAddress, true, out ushort address_int16, out byte function_code, out byte entity_type);
if (operation.Count <= 0)
{
Console.WriteLine($"{operation_pair.Key} has invalid Count {operation.Count}, remove from dictionary...");
invalidOperations.Add(operation_pair.Key);
continue;
}
if (operation.Count > 127 && ((char)entity_type == (char)ModbusConstants.EntityType.HoldingRegister || (char)entity_type == (char)ModbusConstants.EntityType.InputRegister))
{
Console.WriteLine($"{operation_pair.Key} has invalid Count, must be 1~127, {operation.Count}, remove from dictionary...");
invalidOperations.Add(operation_pair.Key);
continue;
}
if (operation.CorrelationId == "" || operation.CorrelationId == null)
{
Console.WriteLine($"Empty CorrelationId: {operation.CorrelationId}, set to DefaultCorrelationId: {ModbusConstants.DefaultCorrelationId}");
operation.CorrelationId = ModbusConstants.DefaultCorrelationId;
}
if (operation.NumberFormat == "" || operation.NumberFormat == null)
{
Console.WriteLine($"Empty NumberFormat: {operation.NumberFormat}, set to 'N0'");
operation.NumberFormat = "N0";
}
if (operation.Divisor == 0 || operation.Divisor == null)
{
Console.WriteLine($"Invalid Divisor: {operation.Divisor}, set to '1'");
operation.Divisor = 1;
}
operation.EntityType = entity_type;
operation.Address = address_int16;
operation.FunctionCode = function_code;
//output format
if (operation.StartAddress.Length == 5)
{
operation.OutFormat = "{0}{1:0000}";
}
else if (operation.StartAddress.Length == 6)
{
operation.OutFormat = "{0}{1:00000}";
}
}
foreach (var in_op in invalidOperations)
{
slaveConfig.Operations.Remove(in_op);
}
}
foreach (var in_slave in invalidConfigs)
{
SlaveConfigs.Remove(in_slave);
}
}
public bool IsValidate()
{
bool ret = true;
foreach (var config_pair in SlaveConfigs)
{
ModbusSlaveConfig slaveConfig = config_pair.Value;
if (slaveConfig.TcpPort <= 0)
{
Console.WriteLine($"Invalid TcpPort: {slaveConfig.TcpPort}, set to DefaultTcpPort: {ModbusConstants.DefaultTcpPort}");
slaveConfig.TcpPort = ModbusConstants.DefaultTcpPort;
}
if (slaveConfig.RetryCount <= 0)
{
Console.WriteLine($"Invalid RetryCount: {slaveConfig.RetryCount}, set to DefaultRetryCount: {ModbusConstants.DefaultRetryCount}");
slaveConfig.RetryCount = ModbusConstants.DefaultRetryCount;
}
if (slaveConfig.RetryInterval <= 0)
{
Console.WriteLine($"Invalid RetryInterval: {slaveConfig.RetryInterval}, set to DefaultRetryInterval: {ModbusConstants.DefaultRetryInterval}");
slaveConfig.RetryInterval = ModbusConstants.DefaultRetryInterval;
}
foreach (var operation_pair in slaveConfig.Operations)
{
ReadOperation operation = operation_pair.Value;
ParseEntity(operation.StartAddress, true, out ushort address_int16, out byte function_code, out byte entity_type);
if (operation.Count <= 0)
{
Console.WriteLine($"Invalid Count: {operation.Count}");
ret = false;
}
if (operation.Count > 127 && ((char)entity_type == (char)ModbusConstants.EntityType.HoldingRegister || (char)entity_type == (char)ModbusConstants.EntityType.InputRegister))
{
Console.WriteLine($"Invalid Count: {operation.Count}, must be 1~127");
ret = false;
}
if (operation.CorrelationId == "" || operation.CorrelationId == null)
{
Console.WriteLine($"Empty CorrelationId: {operation.CorrelationId}, set to DefaultCorrelationId: {ModbusConstants.DefaultCorrelationId}");
operation.CorrelationId = ModbusConstants.DefaultCorrelationId;
}
if (ret)
{
operation.EntityType = entity_type;
operation.Address = address_int16;
operation.FunctionCode = function_code;
//output format
if (operation.StartAddress.Length == 5)
{
operation.OutFormat = "{0}{1:0000}";
}
else if (operation.StartAddress.Length == 6)
{
operation.OutFormat = "{0}{1:00000}";
}
}
}
}
return(ret);
}
