/// <summary>
/// Creates a PI point on the PI server with a given value
/// </summary>
/// <param name="value"></param>
private void createPIPoint(float value)
{
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
string usertag = textBox_tag.Text;//set new value to a certain point
//Creating a point
myPI.createPiPoint(usertag, 2);
// Setting the value of the point
// Also have the power to only update the value on an existing
// tag instead of creating a new tag.
myPI.setPiPointValue(usertag, myTruncate(value, 6));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
}
}
/// <summary>
/// Monitor PI points for changes
/// </summary>
/// <param name="ar"></param>
public static void osiReadCallback(IAsyncResult ar)
{
Console.WriteLine("In osiReadCallBack...");
// Retrieve the state object and the handler socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket handler = state.workSocket;
/****Search current VFD State and Frequency PI values*****/
//initailize OSI PI and server
OSIPI myPI = new OSIPI();
myPI.connect_Server("ESMARTSERVER-PC");
//Create PI values and Lists for each
PointVal savedVfdState = null;
PointVal currentVfdState = null;
PointVal savedDesiredFlow = null;
PointVal currentDesiredFlow = null;
List <PointVal> vfdStateList;
List <PointVal> desiredFlowList;
bool firstRun = false;
if (myPI.check_connection())
{
//put VFD state, frequency, lock, and desired floe rate in a saved PI points
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
savedVfdState = currentVfdState = vfdStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
savedDesiredFlow = currentDesiredFlow = desiredFlowList.ElementAt(0);
}
while (true)
{
//get current OSI PI value for VFD, frequency, lock, and desire flow rate
if (myPI.check_connection())
{
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
currentVfdState = vfdStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
currentDesiredFlow = desiredFlowList.ElementAt(0);
}
//check for first run to send initail DesiredFlow value
if (firstRun == false)
{
//Send to Rasp PI to initiate function to change flow via frequency
savedDesiredFlow = currentDesiredFlow;
osiSend(handler, "<,DF=" + savedDesiredFlow.value.ToString() + ",EOF,>");
firstRun = true;
}
//check if the OSI server value has changed for VfdState
if (currentVfdState.value != savedVfdState.value)
{
//send current value to Rasp PI
savedVfdState = currentVfdState;
osiSend(handler, "<,S=" + savedVfdState.value.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for desired flow rate
if (currentDesiredFlow.value != savedDesiredFlow.value)
{
//send current value to Rasp PI
savedDesiredFlow = currentDesiredFlow;
osiSend(handler, "<,DF=" + savedDesiredFlow.value.ToString() + ",EOF,>");
}
Thread.Sleep(5000); //sleep 5 sec then update
}
}
/// <summary>
/// Monitor PI points for changes
/// </summary>
/// <param name="ar"></param>
public static void osiReadCallback(IAsyncResult ar)
{
Console.WriteLine("In osiReadCallBack...");
// Retrieve the state object and the handler socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket handler = state.workSocket;
/****Search current VFD State and Frequency PI values*****/
//initailize OSI PI and server
OSIPI myPI = new OSIPI();
myPI.connect_Server("ESMARTSERVER-PC");
//Create PI values and Lists for each
PointVal savedVfdState = null;
PointVal currentVfdState = null;
PointVal savedFreq = null;
PointVal currentFreq = null;
PointVal savedLockState = null;
PointVal currentLockState = null;
PointVal savedDesiredFlow = null;
PointVal currentDesiredFlow = null;
List<PointVal> vfdStateList;
List<PointVal> freqList;
List<PointVal> lockStateList;
List<PointVal> desiredFlowList;
bool firstRun = false;
if (myPI.check_connection())
{
//put VFD state, frequency, lock, and desired floe rate in a saved PI points
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
savedVfdState = currentVfdState = vfdStateList.ElementAt(0);
freqList = myPI.searchPiPoints("SP14VICE_Freq", DateTime.Now.ToString(), DateTime.Now.ToString());
savedFreq = currentFreq = freqList.ElementAt(0);
lockStateList = myPI.searchPiPoints("SP14VICE_Lock", DateTime.Now.ToString(), DateTime.Now.ToString());
savedLockState = currentLockState = lockStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
savedDesiredFlow = currentDesiredFlow = desiredFlowList.ElementAt(0);
}
while (true)
{
//get current OSI PI value for VFD, frequency, lock, and desire flow rate
if (myPI.check_connection())
{
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
currentVfdState = vfdStateList.ElementAt(0);
freqList = myPI.searchPiPoints("SP14VICE_Freq", DateTime.Now.ToString(), DateTime.Now.ToString());
currentFreq = freqList.ElementAt(0);
lockStateList = myPI.searchPiPoints("SP14VICE_Lock", DateTime.Now.ToString(), DateTime.Now.ToString());
currentLockState = lockStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
currentDesiredFlow = desiredFlowList.ElementAt(0);
}
//check for first run to send initail DesiredFlow value
if (firstRun == false)
{
//Send to Rasp PI to initiate function to change flow via frequency
savedDesiredFlow = currentDesiredFlow;
osiSend(handler, "<,DF=" + savedDesiredFlow.value.ToString() + ",EOF,>");
firstRun = true;
}
//check if the OSI server value has changed for VfdState
if (currentVfdState.value != savedVfdState.value)
{
//send current value to Rasp PI
savedVfdState = currentVfdState;
osiSend(handler, "<,S=" + savedVfdState.value.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for frequency
if (currentFreq.value != savedFreq.value)
{
//send current value to Rasp PI
savedFreq = currentFreq;
osiSend(handler, "<,F=" + savedFreq.value.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for Lock
if (currentLockState.value != savedLockState.value)
{
//send current value to Rasp PI
savedLockState = currentLockState;
osiSend(handler, "<,S=" + savedLockState.value.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for desired flow rate
if (currentDesiredFlow.value != savedDesiredFlow.value)
{
//send current value to Rasp PI
savedDesiredFlow = currentDesiredFlow;
osiSend(handler, "<,DF=" + savedDesiredFlow.value.ToString() + ",EOF,>");
}
Thread.Sleep(5000); //sleep 5 sec then update
}
}
public void parseVal(string letter, string value)
{
string lockVal = "SP14VICE_Lock";
string connection = "SP14VICE_Connection";
string frequency = "SP14VICE_Freq";
string vfdState = "SP14VICE_VfdState";
string temp = "SP14VICE_Temp";
string flow = "SP14VICE_Flow";
string desiredFlow = "SP14VICE_DesiredFlow";
string pressure = "SP14VICE_Pressure";
string voltage = "F13APA_Voltage";
string currenttop = "F13APA_CurrentTOP";
string currentbot = "F13APA_CurrentBOTTOM";
string powertop = "F13APA_Power_Top";
string powerbot = "F13APA_Power_Bot";
switch (letter) //checks first value in string for command
{
case "C": //if connection
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(connection, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "L": //if Lock
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(lockVal, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "FR": //if frequency
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(frequency, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "VS": //if VFD State
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(vfdState, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "PR": //if Pressure
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(pressure, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "T": //if Temperature
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(temp, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "F": //if Flow
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(flow, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "DF": //if DesiredFlow
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(desiredFlow, (float.Parse(value)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "V": //if voltage
string vtemp = voltage + outlet.ToString();
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(vtemp, ((((float.Parse(value)) * 120) / Math.Pow(2, 23)) / .6));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "IT": //if current TOP outlet
string currenttoptemp = currenttop + outlet.ToString();
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(currenttoptemp, ((((float.Parse(value)) * 15) / (Math.Pow(2, 24) - 1)) / .6));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "IB": //if current BOT outlet
string currentbottemp = currentbot + outlet.ToString();
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(currentbottemp, ((((float.Parse(value)) * 15) / (Math.Pow(2, 24) - 1)) / .6));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "PT": //POWER TOP
string powertoptemp = powertop + outlet.ToString();
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(powertoptemp, 1 - ((float.Parse(value)) / (Math.Pow(2, 23) - 1)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "PB": //POWER BOT
string powerbottemp = powerbot + outlet.ToString();
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue(powerbottemp, 1 - ((float.Parse(value)) / (Math.Pow(2, 23) - 1)));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
case "S": //set outlet Status
outlet = int.Parse(value);
break;
case "STM": //set outlet Status
stream = int.Parse(value);
break;
case "OO": //command from Web Service
try
{
myPI.connect_Server("ESMARTSERVER-PC");
if (myPI.check_connection())
{
//Setting the value of the point
myPI.setPiPointValue("F13APA_STATUS", int.Parse(value));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
switch (value) //case for outlet switching from web service
{
case "00":
{
if (outlet == 1)
{
PythonComm.sendTCP(EWO1, 9750, "<,RT=0,RB=0,TM=" + stream.ToString() + ",>");
}
else if (outlet == 2)
{
PythonComm.sendTCP(EWO2, 9750, "<,RT=0,RB=0,TM=" + stream.ToString() + ",>");
}
}
break;
case "11":
{
if (outlet == 1)
{
PythonComm.sendTCP(EWO1, 9750, "<,RT=1,RB=1,TM=" + stream.ToString() + ",>");
}
else if (outlet == 2)
{
PythonComm.sendTCP(EWO2, 9750, "<,RT=1,RB=1,TM=" + stream.ToString() + ",>");
}
}
break;
case "10":
{
if (outlet == 1)
{
PythonComm.sendTCP(EWO1, 9750, "<,RT=1,RB=0,TM=" + stream.ToString() + ",>");
}
else if (outlet == 2)
{
PythonComm.sendTCP(EWO2, 9750, "<,RT=1,RB=0,TM=" + stream.ToString() + ",>");
}
}
break;
case "01":
{
if (outlet == 1)
{
PythonComm.sendTCP(EWO1, 9750, "<,RT=0,RB=1,TM=" + stream.ToString() + ",>");
}
else if (outlet == 2)
{
PythonComm.sendTCP(EWO2, 9750, "<,RT=0,RB=1,TM=" + stream.ToString() + ",>");
}
}
break;
}
break;
default:
break;
}
}
/// <summary>
/// Listen for changes in the OSI points and send changes to Rasp PI (VFD State, Flow, Lock, and Desired Flow Rate)
/// </summary>
public static void osiListen()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
IPAddress ipAddress = IPAddress.Parse("192.168.144.144");
int port = 9700;
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and listen for incoming connections.
try
{
//listener.Connect(localEndPoint);
listener.Bind(localEndPoint);
listener.Listen(100);
while (true)
{
// Set the event to nonsignaled state.
allDone.Reset();
if (!listener.Poll(300, SelectMode.SelectRead))
{
Console.WriteLine("Dong Dong Dong");
}
// Start an asynchronous socket to listen for connections.
Console.WriteLine("Waiting for Rasp PI connection...");
listener.BeginAccept(new AsyncCallback(AcceptCallback), listener);
// Wait until a connection is made before continuing.
allDone.WaitOne();
Console.WriteLine("Rasp PI connected!!!!");
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
/****Search current VFD State and Frequency PI values*****/
//initailize OSI PI and server
OSIPI myPI = new OSIPI();
myPI.connect_Server("ESMARTSERVER-PC");
//Create PI values and Lists for each
PointVal savedVfdState = null;
PointVal currentVfdState = null;
PointVal savedFreq = null;
PointVal currentFreq = null;
PointVal savedLockState = null;
PointVal currentLockState = null;
PointVal savedDesiredFlow = null;
PointVal currentDesiredFlow = null;
List <PointVal> vfdStateList;
List <PointVal> freqList;
List <PointVal> lockStateList;
List <PointVal> desiredFlowList;
if (myPI.check_connection())
{
//put VFD state, frequency, lock, and desired floe rate in a saved PI points
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
savedVfdState = currentVfdState = vfdStateList.ElementAt(0);
freqList = myPI.searchPiPoints("SP14VICE_Freq", DateTime.Now.ToString(), DateTime.Now.ToString());
savedFreq = currentFreq = freqList.ElementAt(0);
lockStateList = myPI.searchPiPoints("SP14VICE_Lock", DateTime.Now.ToString(), DateTime.Now.ToString());
savedLockState = currentLockState = lockStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
savedDesiredFlow = currentDesiredFlow = desiredFlowList.ElementAt(0);
}
while (true)
{
//get current OSI PI value for VFD, frequency, lock, and desire flow rate
if (myPI.check_connection())
{
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
currentVfdState = vfdStateList.ElementAt(0);
freqList = myPI.searchPiPoints("SP14VICE_Freq", DateTime.Now.ToString(), DateTime.Now.ToString());
currentFreq = freqList.ElementAt(0);
lockStateList = myPI.searchPiPoints("SP14VICE_Lock", DateTime.Now.ToString(), DateTime.Now.ToString());
currentLockState = lockStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
currentDesiredFlow = desiredFlowList.ElementAt(0);
}
//check if the OSI server value has changed for VfdState
if (currentVfdState.value != savedVfdState.value)
{
//send current value to Rasp PI
savedVfdState = currentVfdState;
Send(listener, "<,S=" + savedVfdState.ToString() + ",EOF,>");
// PythonComm.sendTCP("192.168.144.126", 9750, "<,S=" + savedVfdState.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for frequency
if (currentFreq.value != savedFreq.value)
{
//send current value to Rasp PI
savedFreq = currentFreq;
Send(listener, "<,F=" + savedFreq.ToString() + ",EOF,>");
// PythonComm.sendTCP("192.168.144.126", 9750, "<,F=" + savedFreq.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for Lock
if (currentLockState.value != savedLockState.value)
{
//send current value to Rasp PI
savedLockState = currentLockState;
Send(listener, "<,S=" + savedLockState.ToString() + ",EOF,>");
// PythonComm.sendTCP("192.168.144.126", 9750, "<,S=" + savedLockState.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for desired flow rate
if (currentLockState.value != savedLockState.value)
{
//Initiate function to change flow via frequency
savedDesiredFlow = currentDesiredFlow;
Thread changeFreq = new Thread(new ParameterizedThreadStart(freqConversion)); //thread to change frequency
changeFreq.Start(savedDesiredFlow.value); //start thread
}
Thread.Sleep(5000); //sleep 5 sec then update
}
}
/// <summary>
/// Listen for changes in the OSI points and send changes to Rasp PI (VFD State, Flow, Lock, and Desired Flow Rate)
/// </summary>
public static void osiListen()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
IPAddress ipAddress = IPAddress.Parse("192.168.144.144");
int port = 9700;
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and listen for incoming connections.
try
{
//listener.Connect(localEndPoint);
listener.Bind(localEndPoint);
listener.Listen(100);
while (true)
{
// Set the event to nonsignaled state.
allDone.Reset();
if (!listener.Poll(300, SelectMode.SelectRead))
{
Console.WriteLine("Dong Dong Dong");
}
// Start an asynchronous socket to listen for connections.
Console.WriteLine("Waiting for Rasp PI connection...");
listener.BeginAccept(new AsyncCallback(AcceptCallback), listener);
// Wait until a connection is made before continuing.
allDone.WaitOne();
Console.WriteLine("Rasp PI connected!!!!");
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
/****Search current VFD State and Frequency PI values*****/
//initailize OSI PI and server
OSIPI myPI = new OSIPI();
myPI.connect_Server("ESMARTSERVER-PC");
//Create PI values and Lists for each
PointVal savedVfdState = null;
PointVal currentVfdState = null;
PointVal savedFreq = null;
PointVal currentFreq = null;
PointVal savedLockState = null;
PointVal currentLockState = null;
PointVal savedDesiredFlow = null;
PointVal currentDesiredFlow = null;
List<PointVal> vfdStateList;
List<PointVal> freqList;
List<PointVal> lockStateList;
List<PointVal> desiredFlowList;
if (myPI.check_connection())
{
//put VFD state, frequency, lock, and desired floe rate in a saved PI points
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
savedVfdState = currentVfdState = vfdStateList.ElementAt(0);
freqList = myPI.searchPiPoints("SP14VICE_Freq", DateTime.Now.ToString(), DateTime.Now.ToString());
savedFreq = currentFreq = freqList.ElementAt(0);
lockStateList = myPI.searchPiPoints("SP14VICE_Lock", DateTime.Now.ToString(), DateTime.Now.ToString());
savedLockState = currentLockState = lockStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
savedDesiredFlow = currentDesiredFlow = desiredFlowList.ElementAt(0);
}
while(true)
{
//get current OSI PI value for VFD, frequency, lock, and desire flow rate
if (myPI.check_connection())
{
vfdStateList = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
currentVfdState = vfdStateList.ElementAt(0);
freqList = myPI.searchPiPoints("SP14VICE_Freq", DateTime.Now.ToString(), DateTime.Now.ToString());
currentFreq = freqList.ElementAt(0);
lockStateList = myPI.searchPiPoints("SP14VICE_Lock", DateTime.Now.ToString(), DateTime.Now.ToString());
currentLockState = lockStateList.ElementAt(0);
desiredFlowList = myPI.searchPiPoints("SP14VICE_DesiredFlow", DateTime.Now.ToString(), DateTime.Now.ToString());
currentDesiredFlow = desiredFlowList.ElementAt(0);
}
//check if the OSI server value has changed for VfdState
if(currentVfdState.value != savedVfdState.value)
{
//send current value to Rasp PI
savedVfdState = currentVfdState;
Send(listener, "<,S=" + savedVfdState.ToString() + ",EOF,>");
// PythonComm.sendTCP("192.168.144.126", 9750, "<,S=" + savedVfdState.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for frequency
if (currentFreq.value != savedFreq.value)
{
//send current value to Rasp PI
savedFreq = currentFreq;
Send(listener, "<,F=" + savedFreq.ToString() + ",EOF,>");
// PythonComm.sendTCP("192.168.144.126", 9750, "<,F=" + savedFreq.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for Lock
if (currentLockState.value != savedLockState.value)
{
//send current value to Rasp PI
savedLockState = currentLockState;
Send(listener, "<,S=" + savedLockState.ToString() + ",EOF,>");
// PythonComm.sendTCP("192.168.144.126", 9750, "<,S=" + savedLockState.ToString() + ",EOF,>");
}
//check if the OSI server value has changed for desired flow rate
if (currentLockState.value != savedLockState.value)
{
//Initiate function to change flow via frequency
savedDesiredFlow = currentDesiredFlow;
Thread changeFreq = new Thread(new ParameterizedThreadStart(freqConversion)); //thread to change frequency
changeFreq.Start(savedDesiredFlow.value); //start thread
}
Thread.Sleep(5000); //sleep 5 sec then update
}
}
public static void osiListen()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
IPAddress ipAddress = IPAddress.Parse("192.168.144.144");
int port = 9700;
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and listen for incoming connections.
try
{
//listener.Connect(localEndPoint);
listener.Bind(localEndPoint);
listener.Listen(100);
while (true)
{
// Set the event to nonsignaled state.
allDone.Reset();
if (!listener.Poll(300, SelectMode.SelectRead))
{
Console.WriteLine("Dong Dong Dong");
}
// Start an asynchronous socket to listen for connections.
Console.WriteLine("Waiting for Rasp PI connection...");
listener.BeginAccept(new AsyncCallback(AcceptCallback), listener);
// Wait until a connection is made before continuing.
allDone.WaitOne();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
/****Search current VFD State PI value*****/
OSIPI myPI = new OSIPI();
myPI.connect_Server("ESMARTSERVER-PC");
PointVal stateVal = null;
PointVal currentVal = null;
if (myPI.check_connection())
{
//put VFD state in a saved PI point
List <PointVal> vfdState = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
stateVal = vfdState.ElementAt(0);
}
while (true)
{
//get current OSI PI value for VFD
if (myPI.check_connection())
{
List <PointVal> vfdCurrentState = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
currentVal = vfdCurrentState.ElementAt(0);
}
//check if the OSI server value has changed
if (currentVal != stateVal)
{
//send current value to Rasp PI
stateVal = currentVal;
Send(listener, "<,S=" + stateVal.ToString() + ",EOF,>");
}
Thread.Sleep(5000);
}
}
public static void osiListen()
{
// Data buffer for incoming data.
byte[] bytes = new Byte[1024];
// Establish the local endpoint for the socket.
IPAddress ipAddress = IPAddress.Parse("192.168.144.144");
int port = 9700;
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint and listen for incoming connections.
try
{
//listener.Connect(localEndPoint);
listener.Bind(localEndPoint);
listener.Listen(100);
while (true)
{
// Set the event to nonsignaled state.
allDone.Reset();
if (!listener.Poll(300, SelectMode.SelectRead))
{
Console.WriteLine("Dong Dong Dong");
}
// Start an asynchronous socket to listen for connections.
Console.WriteLine("Waiting for Rasp PI connection...");
listener.BeginAccept(new AsyncCallback(AcceptCallback), listener);
// Wait until a connection is made before continuing.
allDone.WaitOne();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
/****Search current VFD State PI value*****/
OSIPI myPI = new OSIPI();
myPI.connect_Server("ESMARTSERVER-PC");
PointVal stateVal = null;
PointVal currentVal = null;
if (myPI.check_connection())
{
//put VFD state in a saved PI point
List<PointVal> vfdState = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
stateVal = vfdState.ElementAt(0);
}
while(true)
{
//get current OSI PI value for VFD
if (myPI.check_connection())
{
List<PointVal> vfdCurrentState = myPI.searchPiPoints("SP14VICE_VfdState", DateTime.Now.ToString(), DateTime.Now.ToString());
currentVal = vfdCurrentState.ElementAt(0);
}
//check if the OSI server value has changed
if(currentVal != stateVal)
{
//send current value to Rasp PI
stateVal = currentVal;
Send(listener, "<,S=" + stateVal.ToString() + ",EOF,>");
}
Thread.Sleep(5000);
}
}
