public string ReadString(ushort address, ushort points)
{
CustomReadHoldingRegistersRequest readAscii = new CustomReadHoldingRegistersRequest(3, 1, address, points);
CustomReadHoldingRegistersResponse response = master.ExecuteCustomMessage <CustomReadHoldingRegistersResponse>(readAscii);
return(System.Text.Encoding.ASCII.GetString(response.Data));
}
public virtual void ExecuteCustomMessage_ReadHoldingRegisters()
{
CustomReadHoldingRegistersRequest request = new CustomReadHoldingRegistersRequest(3, SlaveAddress, 104, 2);
CustomReadHoldingRegistersResponse response = Master.ExecuteCustomMessage <CustomReadHoldingRegistersResponse>(request);
Assert.AreEqual(new ushort[] { 0, 0 }, response.Data);
}
public float[] ReadFloat(ushort address, ushort points)
{
float[] floatval = new float[points];
CustomReadHoldingRegistersRequest readFloat = new CustomReadHoldingRegistersRequest(3, 1, address, points);
CustomReadHoldingRegistersResponse response = master.ExecuteCustomMessage <CustomReadHoldingRegistersResponse>(readFloat);
for (ushort i = 0; i < points; i++)
{
byte[] floatOr = new byte[] { response.Data[3 + 4 * i], response.Data[2 + 4 * i], response.Data[1 + 4 * i], response.Data[0 + 4 * i] };
floatval[i] = BitConverter.ToSingle(floatOr, 0);
}
return(floatval);
}
public int[] ReadInt32(ushort address, ushort points)
{
int[] longval = new int[points];
CustomReadHoldingRegistersRequest readLong = new CustomReadHoldingRegistersRequest(3, 1, address, points);
CustomReadHoldingRegistersResponse response = master.ExecuteCustomMessage <CustomReadHoldingRegistersResponse>(readLong);
for (ushort i = 0; i < points; i++)
{
byte[] longOr = new byte[] { response.Data[3 + 4 * i], response.Data[2 + 4 * i], response.Data[1 + 2 * i], response.Data[0 + 2 * i] };
longval[i] = BitConverter.ToInt32(longOr, 0);
}
return(longval);
}
public virtual void ExecuteCustomMessage_WriteMultipleRegisters()
{
ushort testAddress = 120;
ushort[] testValues = new ushort[] { 10, 20, 30, 40, 50 };
CustomReadHoldingRegistersRequest readRequest = new CustomReadHoldingRegistersRequest(3, SlaveAddress, testAddress, (ushort)testValues.Length);
CustomWriteMultipleRegistersRequest writeRequest = new CustomWriteMultipleRegistersRequest(16, SlaveAddress, testAddress, new RegisterCollection(testValues));
var response = Master.ExecuteCustomMessage <CustomReadHoldingRegistersResponse>(readRequest);
ushort[] originalValues = response.Data;
Master.ExecuteCustomMessage <CustomWriteMultipleRegistersResponse>(writeRequest);
response = Master.ExecuteCustomMessage <CustomReadHoldingRegistersResponse>(readRequest);
ushort[] newValues = response.Data;
Assert.AreEqual(testValues, newValues);
writeRequest = new CustomWriteMultipleRegistersRequest(16, SlaveAddress, testAddress, new RegisterCollection(originalValues));
Master.ExecuteCustomMessage <CustomWriteMultipleRegistersResponse>(writeRequest);
}
private void GetAlarmsEvents(ProgressBar progress, ushort FC, ushort quantity, bool getAlarms)
{
progress.Value = 0;
string OmniIP = "10.10.1." + Convert.ToString(FC + 10);
TcpClient client = new TcpClient(OmniIP, 502);
client.ReceiveTimeout = 500;
ModbusIpMaster master = ModbusIpMaster.CreateIp(client);
//Create text file
string fileName;
if (getAlarms)
{
fileName = "FC" + Convert.ToString(FC) + "_alarms.txt";
}
else
{
fileName = "FC" + Convert.ToString(FC) + "_events.txt";
}
TextWriter txt = new StreamWriter(fileName);
//Number of events to load
master.WriteSingleRegister((byte)1, (ushort)3769, quantity);
//Send command to load Events on buffer
byte commandByte;
if (getAlarms)
{
commandByte = 0x10;
}
else
{
commandByte = 0x80;
}
//byte[] invCommandBytes = new byte[] { 0, commandNibble, 0, 0 };
RegisterCollection invCommand = new RegisterCollection(new byte[] { 0, commandByte, 0, 0 });
CustomWriteMultipleRegistersRequest reqCommand = new CustomWriteMultipleRegistersRequest(16, 1, 15129, invCommand);
master.ExecuteCustomMessage <CustomWriteMultipleRegistersResponse>(reqCommand);
//Wait buffer is ready
CustomReadHoldingRegistersResponse cmdReg;
do
{
CustomReadHoldingRegistersRequest readCmd = new CustomReadHoldingRegistersRequest(3, 1, 15129, 1);
cmdReg = master.ExecuteCustomMessage <CustomReadHoldingRegistersResponse>(readCmd);
//Console.WriteLine(Convert.ToString(cmdReg.Data[1])); ----Old command for console version----
} while (cmdReg.Data[1] != 0);
//Read buffer
int endIndex;
int CRIndex;
DateTime timeStamp;
IFormatProvider dateFormat = new System.Globalization.CultureInfo("en-GB");
for (ushort i = 0; i < 600; i++)
{
try //send request to Omni for the current package
{
CustomReadBufferRequest reqBuffer = new CustomReadBufferRequest(65, 1, 9402, i);
CustomReadBufferResponse packet = master.ExecuteCustomMessage <CustomReadBufferResponse>(reqBuffer);
//stop if find end of file
endIndex = packet.StrData.IndexOf(Convert.ToChar(26)); //get index of end of file if exists
if (endIndex != -1) //if end of file was found
{
txt.Write(packet.StrData.Substring(0, endIndex));
break;
}
//stop if find time before yesterday at 17:00
try
{
CRIndex = packet.StrData.IndexOf(Convert.ToChar(13));//get index of carriage return to find date
if (getAlarms)
{
timeStamp = Convert.ToDateTime(packet.StrData.Substring(CRIndex + 1, 19), dateFormat);
}
else
{
timeStamp = Convert.ToDateTime(packet.StrData.Substring(CRIndex + 10, 18), dateFormat);
}
if (timeStamp < DateTime.Today.AddDays(-1).AddHours(17))
{
txt.Write(packet.StrData.Substring(0, CRIndex));
break;
}
}
catch { }
txt.Write(packet.StrData);
progress.Increment(1);
}
catch //if request timeout, omni is refilling buffer
{
System.Threading.Thread.Sleep(3000); //delay 3s
//Restart client connection
client.Close();
client = new TcpClient(OmniIP, 502);
client.ReceiveTimeout = 500;
master = ModbusIpMaster.CreateIp(client);
progress.Value = 0;
i--;//decrement packet index to reapeat the request
}
}
progress.Value = 63;
txt.Close();
client.Close();
}
