public DeltaReturnedData SendLongSizeRequest(DeltaMsgType bCommand, DeltaMemType bType, int iAddress, int iSize)
{
// Size is bigger then allowed - we have to send few messages
DeltaReturnedData Result = new DeltaReturnedData();
Result.IntValue = new int[iSize];
int TmpSize = iSize;
while (TmpSize > MAX_16BIT_SIZE)
{
DeltaReturnedData Incoming = this.SendNewMessage(bCommand, bType, (iAddress + iSize - TmpSize), MAX_16BIT_SIZE);
if (Incoming.IntValue == null)
{
return(Result);
}
Array.Copy(Incoming.IntValue, 0, Result.IntValue, iSize - TmpSize, MAX_16BIT_SIZE);
TmpSize -= MAX_16BIT_SIZE;
}
if (TmpSize > 0)
{
DeltaReturnedData Incoming = this.SendNewMessage(bCommand, bType, (byte)(iAddress + iSize - TmpSize), (byte)TmpSize);
Array.Copy(Incoming.IntValue, 0, Result.IntValue, iSize - TmpSize, TmpSize);
}
return(Result);
}
public DeltaReturnedData SendNewMessage(DeltaMsgType bCommand, DeltaMemType bType, int iAddress, byte bSize, List <Int16> oDataArrayToWrite = null)
{
byte bcheckSum;
string stSendBuf;
DeltaReturnedData Incoming = new DeltaReturnedData();
bcheckSum = 0;
stSendBuf = ":01";
bcheckSum = 1; //Hex
//kind of command
switch (bCommand)
{
case DeltaMsgType.ReadCoilStatus:
bcheckSum += (byte)DeltaMsgType.ReadCoilStatus;
stSendBuf += Convert.ToString((byte)DeltaMsgType.ReadCoilStatus, 16).PadLeft(2, '0');
break;
case DeltaMsgType.ReadInputStatus:
bcheckSum += (byte)DeltaMsgType.ReadInputStatus;
stSendBuf += Convert.ToString((byte)DeltaMsgType.ReadInputStatus, 16).PadLeft(2, '0');
break;
case DeltaMsgType.ReadHoldingRegisters:
bcheckSum += (byte)DeltaMsgType.ReadHoldingRegisters;
stSendBuf += Convert.ToString((byte)DeltaMsgType.ReadHoldingRegisters, 16).PadLeft(2, '0');
break;
case DeltaMsgType.ForceSingleCoil:
bcheckSum += (byte)DeltaMsgType.ForceSingleCoil;
stSendBuf += Convert.ToString((byte)DeltaMsgType.ForceSingleCoil, 16).PadLeft(2, '0');
break;
case DeltaMsgType.PresetSingleRegister:
bcheckSum += (byte)DeltaMsgType.PresetSingleRegister;
stSendBuf += Convert.ToString((byte)DeltaMsgType.PresetSingleRegister, 16).PadLeft(2, '0');
break;
case DeltaMsgType.ForceMultipleCoils:
bcheckSum += (byte)DeltaMsgType.ForceMultipleCoils;
stSendBuf += Convert.ToString((byte)DeltaMsgType.ForceMultipleCoils, 16).PadLeft(2, '0');
break;
case DeltaMsgType.PresetMultipleRegister:
bcheckSum += (byte)DeltaMsgType.PresetMultipleRegister;
stSendBuf += Convert.ToString((byte)DeltaMsgType.PresetMultipleRegister, 16).PadLeft(2, '0');
break;
case DeltaMsgType.ReportSlaveID:
bcheckSum += (byte)DeltaMsgType.ReportSlaveID;
stSendBuf += Convert.ToString((byte)DeltaMsgType.ReportSlaveID, 16).PadLeft(2, '0');
break;
}
//hi and lo address
switch (bType)
{
case DeltaMemType.C:
//Hibyte
stSendBuf += Convert.ToString(((iAddress + C_OFFSET) / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + C_OFFSET) / 256);
//Lowbyte
stSendBuf += Convert.ToString(((iAddress + C_OFFSET) & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + C_OFFSET) & 255);
break;
case DeltaMemType.X:
//Hibyte
stSendBuf += Convert.ToString(((iAddress + X_OFFSET) / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + X_OFFSET) / 256);
//Lowbyte
stSendBuf += Convert.ToString(((iAddress + X_OFFSET) & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + X_OFFSET) & 255);
break;
case DeltaMemType.Y:
//Hibyte
stSendBuf += Convert.ToString(((iAddress + Y_OFFSET) / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + Y_OFFSET) / 256);
//Lowbyte
stSendBuf += Convert.ToString(((iAddress + Y_OFFSET) & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + Y_OFFSET) & 255);
break;
case DeltaMemType.T:
//Hibyte
stSendBuf += Convert.ToString(((iAddress + T_OFFSET) / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + T_OFFSET) / 256);
//Lowbyte
stSendBuf += Convert.ToString(((iAddress + T_OFFSET) & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + T_OFFSET) & 255);
break;
case DeltaMemType.M:
//Hibyte
stSendBuf += Convert.ToString(((iAddress + M_OFFSET) / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + M_OFFSET) / 256);
//Lowbyte
stSendBuf += Convert.ToString(((iAddress + M_OFFSET) & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + M_OFFSET) & 255);
break;
case DeltaMemType.D:
//Hibyte
stSendBuf += Convert.ToString(((iAddress + D_OFFSET) / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + D_OFFSET) / 256);
//Lowbyte
stSendBuf += Convert.ToString(((iAddress + D_OFFSET) & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)((iAddress + D_OFFSET) & 255);
break;
}
switch (bCommand)
{
case DeltaMsgType.ReadInputStatus:
//Hibyte Size
stSendBuf += Convert.ToString((bSize / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)(bSize / 256);
//Lowbyte Size
stSendBuf += Convert.ToString(((bSize) & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)((bSize) & 255);
break;
case DeltaMsgType.ReadHoldingRegisters:
//Hibyte Size
stSendBuf += Convert.ToString((bSize / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)(bSize / 256);
//Lowbyte Size
stSendBuf += Convert.ToString((bSize & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)(bSize & 255);
break;
case DeltaMsgType.PresetSingleRegister:
//Hibyte Size
stSendBuf += Convert.ToString((oDataArrayToWrite[0] / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)(oDataArrayToWrite[0] / 256);
//Lowbyte Size
stSendBuf += Convert.ToString((oDataArrayToWrite[0] & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)(oDataArrayToWrite[0] & 255);
break;
case DeltaMsgType.PresetMultipleRegister:
//Hibyte Size
int registersNum = bSize;
bSize += bSize;
stSendBuf += Convert.ToString((registersNum / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)(registersNum / 256);
//Lowbyte Size
stSendBuf += Convert.ToString((registersNum & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)(registersNum & 255);
stSendBuf += Convert.ToString((bSize & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)(bSize & 255);
for (int i = 0; i < oDataArrayToWrite.Count; i++)
{
stSendBuf += Convert.ToString((oDataArrayToWrite[i] / 256), 16).PadLeft(2, '0');
bcheckSum += (byte)(oDataArrayToWrite[i] / 256);
//Lowbyte Size
stSendBuf += Convert.ToString((oDataArrayToWrite[i] & 255), 16).PadLeft(2, '0');
bcheckSum += (byte)(oDataArrayToWrite[i] & 255);
}
break;
case DeltaMsgType.ForceSingleCoil:
if (bSize == 0) //false
{
//Hibyte Size
stSendBuf += "0000";
}
else //true
{
stSendBuf += "FF00";
bcheckSum += 0xFF;
}
break;
}
stSendBuf += Convert.ToString((0x100 - bcheckSum), 16).PadLeft(2, '0');
stSendBuf = stSendBuf.ToUpper();
RxMsg = SendAndRecieveData(stSendBuf);
#if DELTA_14SS
#else //DELTA_12SA2
RxMsg = ":0" + RxMsg;
#endif
if (RxMsg == "")
{
incomingInfo.listDebugInfo.Add("No Response From unit -Check The Connection");
return(Incoming);
}
// exit method if message is not valid
//System.Diagnostics.Debug.Print(stSendBuf);
//System.Diagnostics.Debug.Print(RxMsg);
if (!CheckValidMessage(RxMsg))
{
return(Incoming);
}
//kind of command
switch (bCommand)
{
case DeltaMsgType.ReadInputStatus:
Incoming = ParseReceivedBuf(RxMsg, bSize, 1);
break;
case DeltaMsgType.ReadCoilStatus:
Incoming = ParseReceivedBuf(RxMsg, bSize, 1);
break;
case DeltaMsgType.ReadHoldingRegisters:
Incoming = ParseReceivedBuf(RxMsg, bSize, 0);
newPressureTableReceive = true;
break;
case DeltaMsgType.ForceSingleCoil:
if (!stSendBuf.Equals(RxMsg.Substring(0, RxMsg.Length - 1)))
{
incomingInfo.listDebugInfo.Add("Received message is different then expected");
}
break;
case DeltaMsgType.PresetSingleRegister:
break;
case DeltaMsgType.ForceMultipleCoils:
break;
case DeltaMsgType.PresetMultipleRegister:
break;
case DeltaMsgType.ReportSlaveID:
break;
}
return(Incoming);
}