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Copy pathPiKoderCommunicationAbstractionLayer.cs
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803 lines (756 loc) · 25.2 KB
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// This class is designed as an abstraction layer to serve the different hardware communication links to the PiKoder
// such as COM or WLAN. All PiKoder parameters or commands are executed transparently using respective methods.
//
// The class maintains information regarding the protocol when involved by EstablishLink(). From this point onwards an
// existing connection would be monitored and an event would be generated once the connection is lost (LinkLost).
//
// Copyright 2020 Gregor Schlechtriem
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
using System;
using System.Windows.Forms;
public class PiKoderCommunicationAbstractionLayer
{
public enum iPhysicalLink
{
iSerialLink,
iWLANlink
}
private SerialLink mySerialLink = new SerialLink();
private WLANLink myWLANLink = new WLANLink();
private bool Connected = false; // connection status
private iPhysicalLink iConnectedTo;
public bool LinkConnected()
{
return Connected;
}
public bool EstablishLink(string SelectedPort, iPhysicalLink ConnectionType)
{
Connected = false;
if (ConnectionType == iPhysicalLink.iSerialLink)
{
Connected = mySerialLink.EstablishSerialLink(SelectedPort);
if (Connected)
{
iConnectedTo = iPhysicalLink.iSerialLink;
}
}
else if (ConnectionType == iPhysicalLink.iWLANlink)
{
Connected = myWLANLink.EstablishWLANLink();
if (Connected)
{
iConnectedTo = iPhysicalLink.iWLANlink;
}
}
return Connected;
}
public void DisconnectLink(iPhysicalLink ConnectionType)
{
if (Connected & (ConnectionType == iPhysicalLink.iSerialLink))
{
mySerialLink.MyForm_Dispose();
}
else if (Connected & (ConnectionType == iPhysicalLink.iWLANlink))
{
myWLANLink.MyForm_Dispose();
}
MyForm_Dispose();
}
public void GetPulseLengthFT(ref string SerialInputString, int iChannelNo, bool HPMath, bool ProtectedSaveMode)
{
int timeOut = 0;
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial(iChannelNo.ToString() + "?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN(iChannelNo.ToString() + "?");
SerialInputString = myWLANLink.Receiver();
}
timeOut += 1;
} while (!ValidatePulseValue(ref SerialInputString, HPMath) & timeOut < 5);
if (timeOut == 5)
{
if (SerialInputString.Length == 4)
{
// read numbers, but value not within boundries
DialogResult dr = MessageBox.Show("Pulse width for channel " + iChannelNo.ToString() +
" outside of range (" + SerialInputString + "). Reset to default?", "Inconsistent channel value",
MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (dr == DialogResult.Cancel)
{
Environment.Exit(1);
}
SerialInputString = "1500";
SetChannelPulseLength(iChannelNo, "1500");
SetPiKoderPreferences(ProtectedSaveMode);
return;
}
SerialInputString = "TimeOut";
}
}
public void GetNeutralPositionFT(ref string SerialInputString, int iChannelNo, bool HPMath, bool ProtectedSaveMode)
{
int timeOut = 0;
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("N" + iChannelNo.ToString() + "?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("N" + iChannelNo.ToString() + "?");
SerialInputString = myWLANLink.Receiver();
}
timeOut += 1;
} while (!ValidatePulseValue(ref SerialInputString, HPMath) & timeOut < 5);
if (timeOut == 5)
{
if (SerialInputString.Length == 4)
{
// read numbers, but value not within boundries
DialogResult dr = MessageBox.Show("Neutral setting for channel " + iChannelNo.ToString() +
" outside of range (" + SerialInputString + "). Reset to default?", "Inconsistent channel value",
MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (dr == DialogResult.Cancel)
{
Environment.Exit(1);
}
SerialInputString = "1500";
SetChannelNeutral("1500", iChannelNo);
SetPiKoderPreferences(ProtectedSaveMode);
return;
}
SerialInputString = "TimeOut";
}
}
public void GetLowerLimitFT(ref string SerialInputString, int iChannelNo, bool HPMath, bool ProtectedSaveMode)
{
int timeOut = 1;
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("L" + iChannelNo.ToString() + "?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("L" + iChannelNo.ToString() + "?");
SerialInputString = myWLANLink.Receiver();
}
timeOut += 1;
} while (!ValidatePulseValue(ref SerialInputString, HPMath) & timeOut < 5);
if (timeOut == 5)
{
if (SerialInputString.Length == 4)
{
// read numbers, but value not within boundries
DialogResult dr = MessageBox.Show("Lower limit for channel " + iChannelNo.ToString() +
" outside of range (" + SerialInputString + "). Reset to default?", "Inconsistent channel value",
MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (dr == DialogResult.Cancel)
{
Environment.Exit(1);
}
SerialInputString = "1000";
SetChannelLowerLimit("1000", iChannelNo);
SetPiKoderPreferences(ProtectedSaveMode);
return;
}
SerialInputString = "TimeOut";
}
}
public void GetUpperLimitFT(ref string SerialInputString, int iChannelNo, bool HPMath, bool ProtectedSaveMode)
{
int timeOut = 0;
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("U" + iChannelNo.ToString() + "?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("U" + iChannelNo.ToString() + "?");
SerialInputString = myWLANLink.Receiver();
}
timeOut += 1;
} while (!ValidatePulseValue(ref SerialInputString, HPMath) & timeOut < 5);
if (timeOut == 5)
{
if (SerialInputString.Length == 4)
{
// read numbers, but value not within boundries
DialogResult dr = MessageBox.Show("Upper limit for channel " + iChannelNo.ToString() +
" outside of range (" + SerialInputString + "). Reset to default?", "Inconsistent channel value",
MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (dr == DialogResult.Cancel)
{
Environment.Exit(1);
}
SerialInputString = "2000";
SetChannelUpperLimit("2000", iChannelNo);
SetPiKoderPreferences(ProtectedSaveMode);
return;
}
SerialInputString = "TimeOut";
}
}
public void GetIOType(ref string SerialInputString, int iChannelNo)
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("O" + iChannelNo.ToString() + "?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("O" + iChannelNo.ToString() + "?");
SerialInputString = myWLANLink.Receiver();
}
}
public void GetFirmwareVersion(ref string SerialInputString)
{
int iTimeOut = 0;
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("0");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("0");
SerialInputString = myWLANLink.Receiver();
}
iTimeOut += 1;
} while (SerialInputString == "TimeOut" & iTimeOut < 5);
}
public void GetESPFirmwareVersion(ref string SerialInputString)
{
int iTimeOut = 0;
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("$");
SerialInputString = myWLANLink.Receiver();
}
iTimeOut += 1;
} while (SerialInputString == "TimeOut" & iTimeOut < 5);
}
public void GetStatusRecord(ref string SerialInputString)
{
int iTimeOut = 0;
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
while (mySerialLink.SerialReceiver(1) != "TimeOut")
{
}
mySerialLink.SendDataToSerial("?");
if (mySerialLink.SerialLinkConnected())
{
SerialInputString = mySerialLink.SerialReceiver(3);
}
else
{
SerialInputString = "TimeOut";
return;
}
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("?");
SerialInputString = myWLANLink.Receiver();
}
iTimeOut++;
} while (!ValidateTypeRecord(SerialInputString) & (iTimeOut < 5));
if (iTimeOut == 5)
{
SerialInputString = "TimeOut";
}
}
public void GetTimeOut(ref string SerialInputString)
{
int iTimeOut = 0;
SerialInputString = "";
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("T?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("T?");
SerialInputString = myWLANLink.Receiver();
}
iTimeOut += 1;
} while (!ValidateTimeOut(SerialInputString) & iTimeOut < 5);
if (iTimeOut == 5)
{
SerialInputString = "TimeOut";
}
}
public void GetMiniSSCOffset(ref string SerialInputString)
{
int iTimeOut = 0;
SerialInputString = "";
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("M?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("M?");
SerialInputString = myWLANLink.Receiver();
}
iTimeOut += 1;
} while (!ValidateZeroOffset(SerialInputString) & iTimeOut < 5);
if (iTimeOut == 5)
{
SerialInputString = "TimeOut";
}
}
public void GetISCBaseAddress(ref string SerialInputString)
{
int iTimeOut = 0;
SerialInputString = "";
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("I?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("I?");
SerialInputString = myWLANLink.Receiver();
}
iTimeOut += 1;
} while (!ValidateI2CBaseAddress(SerialInputString) & iTimeOut < 5);
if (iTimeOut == 5)
{
SerialInputString = "TimeOut";
}
}
public void GetPPMSettings(ref string SerialInputString)
{
int iTimeOut = 0;
SerialInputString = "";
do
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("P?");
SerialInputString = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("P?");
SerialInputString = myWLANLink.Receiver();
}
iTimeOut += 1;
} while (!ValidatePPMSettings(SerialInputString) & iTimeOut < 5);
if (iTimeOut == 5)
{
SerialInputString = "TimeOut";
}
}
public bool SetChannelNeutral(string strNeutralVal, int iChannelNo)
{
string ReturnCode = "";
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("N" + iChannelNo.ToString() + "=" + strNeutralVal);
ReturnCode = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("N" + iChannelNo.ToString() + "=" + strNeutralVal);
ReturnCode = myWLANLink.Receiver();
}
return InterpretReturnCode(ReturnCode);
}
public bool SetChannelLowerLimit(string strNeutralVal, int iChannelNo)
{
string ReturnCode = "";
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("L" + iChannelNo.ToString() + "=" + strNeutralVal);
ReturnCode = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("L" + iChannelNo.ToString() + "=" + strNeutralVal);
ReturnCode = myWLANLink.Receiver();
}
return InterpretReturnCode(ReturnCode);
}
public bool SetChannelUpperLimit(string strNeutralVal, int iChannelNo)
{
string ReturnCode = "";
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
ReturnCode = mySerialLink.SendDataToSerialwithAck("U" + iChannelNo.ToString() + "=" + strNeutralVal);
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("U" + iChannelNo.ToString() + "=" + strNeutralVal);
ReturnCode = myWLANLink.Receiver();
}
return InterpretReturnCode(ReturnCode);
}
public bool SetChannelOutputType(int iChannelNo, string strOutputType)
{
string ReturnCode = "";
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial("O" + iChannelNo.ToString() + "=" + strOutputType);
ReturnCode = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("O" + iChannelNo.ToString() + "=" + strOutputType);
ReturnCode = myWLANLink.Receiver();
}
return InterpretReturnCode(ReturnCode);
}
public bool SetChannelPulseLength(int iChannelNo, string strPulseLength)
{
string strSendString;
string ReturnCode = "";
strSendString = iChannelNo.ToString() + "=";
if (strPulseLength.Length == 3)
{
strSendString += "0";
}
strSendString += strPulseLength;
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial(strSendString);
ReturnCode = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN(strSendString);
ReturnCode = myWLANLink.Receiver();
}
return InterpretReturnCode(ReturnCode);
}
public bool SetHPChannelPulseLength(int iChannelNo, string strPulseLength)
{
string strSendString;
string ReturnCode = "";
strSendString = iChannelNo.ToString() + "=";
if (strPulseLength.Length == 4)
{
strSendString += "0";
}
strSendString += strPulseLength;
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial(strSendString);
ReturnCode = mySerialLink.SerialReceiver();
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN(strSendString);
ReturnCode = myWLANLink.Receiver();
}
return InterpretReturnCode(ReturnCode);
}
public bool SetPiKoderTimeOut(string strTimeOut)
{
string myString = "";
if (strTimeOut.Length == 1)
{
myString = "00" + myString;
}
if (strTimeOut.Length == 2)
{
myString = "0" + myString;
}
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
return InterpretReturnCode(mySerialLink.SendDataToSerialwithAck("T=" + myString + strTimeOut));
}
else if (iConnectedTo == iPhysicalLink.iWLANlink)
{
myWLANLink.SendDataToWLAN("T=" + myString + strTimeOut);
}
return InterpretReturnCode(myWLANLink.Receiver());
}
public bool SetPiKoderMiniSSCOffset(string strMiniSSCOffset)
{
string strSendString = "";
if (strMiniSSCOffset.Length == 1)
{
strSendString = "00" + strSendString;
}
if (strMiniSSCOffset.Length == 2)
{
strSendString = "0" + strSendString;
}
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
return InterpretReturnCode(mySerialLink.SendDataToSerialwithAck("M=" + strSendString + strMiniSSCOffset));
}
else
{
myWLANLink.SendDataToWLAN("M=" + strSendString + strMiniSSCOffset);
return InterpretReturnCode(myWLANLink.Receiver());
}
}
public bool SetPiKoderPreferences(bool ProtectedSaveMode)
{
string CommandStr = "S";
if (ProtectedSaveMode)
{
CommandStr += "U]U]";
}
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
mySerialLink.SendDataToSerial(CommandStr);
return InterpretReturnCode(mySerialLink.SerialReceiver());
}
else
{
myWLANLink.SendDataToWLAN(CommandStr);
return InterpretReturnCode(myWLANLink.Receiver());
}
}
public bool SetPiKoderPPMSettings(int iNumberChannels, int myPPMmode)
{
string strSendString = Convert.ToString(iNumberChannels);
if (myPPMmode == 0)
{
strSendString += "P";
}
else
{
strSendString += "N";
}
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
return InterpretReturnCode(mySerialLink.SendDataToSerialwithAck("P=" + strSendString));
}
else
{
myWLANLink.SendDataToWLAN("P=" + strSendString);
return InterpretReturnCode(myWLANLink.Receiver());
}
}
public bool SetPiKoderPPMChannels(int iNumberChannels)
{
byte[] myByteArray = { 83, 21, 0, 0 };
myByteArray[3] = Convert.ToByte(iNumberChannels);
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
if (Connected)
{
mySerialLink.SendBinaryDataToSerial(myByteArray, 4);
}
return true;
}
else
{
return false;
}
}
public bool SetPiKoderPPMMode(int iPPMMode)
{
byte[] myByteArray = { 83, 22, 0, 0 };
myByteArray[3] = Convert.ToByte(iPPMMode);
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
if (Connected)
{
mySerialLink.SendBinaryDataToSerial(myByteArray, 4);
}
}
return true;
}
public bool SetPiKoderI2CBaseAdress(int iI2CBaseAdress)
{
string strSendString = "";
if (iI2CBaseAdress < 10)
{
strSendString += "0";
}
strSendString += iI2CBaseAdress.ToString();
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
return InterpretReturnCode(mySerialLink.SendDataToSerialwithAck("I=" + strSendString));
}
else
{
myWLANLink.SendDataToWLAN("I=" + strSendString);
return InterpretReturnCode(myWLANLink.Receiver());
}
}
public bool PiKoderConnected()
{
if (iConnectedTo == iPhysicalLink.iSerialLink)
{
return mySerialLink.PiKoderConnected();
}
else
{
return false;
}
}
private bool ValidateTypeRecord(string strVal)
{
if (strVal == "TimeOut")
{
return false;
}
if ((strVal[0] == 'T') & (strVal[1] == '='))
{
if (strVal.Length >= 5)
{
return true;
}
}
return false;
}
private bool ValidatePulseValue(ref string strVal, bool HPMath)
{
if (strVal == "TimeOut")
{
return false;
}
double intChannelPulseLength = 0;
try
{
intChannelPulseLength = Double.Parse(strVal); // no check on chars this time
}
catch
{
// format error, falsche message
strVal = "FormatError";
return false;
}
if (HPMath)
{
if ((intChannelPulseLength < 3750) | (intChannelPulseLength > 11250))
{
return false;
}
// format string
if ((intChannelPulseLength < 10000) & (strVal.Length == 5))
{
strVal = strVal.Substring(1,4);
}
return true;
}
else
{
if ((intChannelPulseLength < 750) | (intChannelPulseLength > 2250))
{
return false;
}
// format string
if ((intChannelPulseLength < 1000) & (strVal.Length == 4))
{
strVal = strVal.Substring(1,3);
}
return true;
}
}
private bool ValidateZeroOffset(string strVal)
{
if (strVal == "TimeOut")
{
return false;
}
int intZeroOffset = int.Parse(strVal); // no check on chars this time
if ((intZeroOffset < 0) | (intZeroOffset > 248))
{
return false;
}
return true;
}
private bool ValidateTimeOut(string strVal)
{
if (strVal == "TimeOut")
{
return false;
}
int intZeroOffset = int.Parse(strVal); // no check on chars this time
if ((intZeroOffset < 0) | (intZeroOffset > 999))
{
return false;
}
return true;
}
private bool ValidatePPMSettings(string strVal)
{
if (strVal[0] < '1' | strVal[0] > '8')
{
return false;
}
if (strVal[1] != 'P' & strVal[1] != 'N')
{
return false;
}
return true;
}
private bool ValidateI2CBaseAddress(string strVal)
{
if (strVal == "TimeOut")
{
return false;
}
int intZeroOffset = int.Parse(strVal); // no check on chars this time
if ((intZeroOffset < 0) | (intZeroOffset > 80))
{
return false;
}
return true;
}
private bool InterpretReturnCode(string RC)
{
if (RC.Contains("!"))
{
return true;
}
return false;
}
public void MyForm_Dispose()
{
Connected = false; // make sure to force new connect
}
}