private void ENET_Constructor()
{
string FG_IP = "";
string OSCOPE_IP = "";
// #Saved IP Addresses, do not edit
// FGIP=0.0.0.0
// OSIP=0.0.0.0
if (File.Exists("enet.cfg"))
{
string[] configInput = File.ReadAllLines("enet.cfg");
if (configInput.Length < 3)
{
// someone messed with the config file >:(
FG_IP = "0.0.0.0";
OSCOPE_IP = "0.0.0.0"; // set to default IP
}
else
{
FG_IP = configInput[1].Substring(5); // get the actual IP strings from config file
OSCOPE_IP = configInput[2].Substring(5);
}
}
IPInputWindow IPWindow = new IPInputWindow();
IPWindow.FunctionGenIPInputBox.Text = FG_IP;
IPWindow.OscilloscopeIPInputBox.Text = OSCOPE_IP;
IPWindow.ShowDialog();
FG_IP = IPWindow.FunctionGenIPInputBox.Text;
OSCOPE_IP = IPWindow.OscilloscopeIPInputBox.Text; // get the results after the user clicked okay
File.WriteAllText("enet.cfg", "#Saved IP Addresses, do not edit\nFGIP=" + FG_IP + "\nOSIP=" + OSCOPE_IP); // write the user's specified IP addresses
// to the file, where they can be read from again.
string FG_VISA = "TCPIP0::" + FG_IP + "::inst0::INSTR"; // generate the two VISA ids for devices at the given IP addresses
string OSCOPE_VISA = "TCPIP0::" + OSCOPE_IP + "::inst0::INSTR";
IOscilloscope tempScope = VISAOscilloscope.TryOpen(OSCOPE_VISA);
IFunctionGenerator tempFG = VISAFunctionGenerator.TryOpen(FG_VISA); // attempt to open the devices at the specified IP addresses
if (tempFG == null)
{
MessageBoxResult result = MessageBox.Show("Error: Could not open function generator at " + FG_IP,
appName, MessageBoxButton.OK);
switch (result)
{
case MessageBoxResult.OK: // there's only one case
ExitAll(); // let the user try again without exiting probably, but we'll do that logic in a sec
return;
}
}
if (tempScope == null)
{
MessageBoxResult result = MessageBox.Show("Error: Could not open oscilloscope at " + OSCOPE_IP,
appName, MessageBoxButton.OK);
switch (result)
{
case MessageBoxResult.OK: // there's only one case
ExitAll(); // let the user try again without exiting probably, but we'll do that logic in a sec
return;
}
}
// if we made it down here, both the scope and function generator are initialized, so we can set the global variables and return from this function
fg = tempFG;
scope = tempScope;
// yay!
}
private void USB_Constructor() // if we're using a USB interface (or really anything VISA compatible but not LAN)
{
// this is one of those situations where C#'s ability to use "var" is nice, but statically typed until the end!
VISADevice.ConnectedDeviceStruct <VISAOscilloscope> oscilloscopes = VISAOscilloscope.GetConnectedOscilloscopes();
VISADevice.ConnectedDeviceStruct <VISAFunctionGenerator> functionGenerators = VISAFunctionGenerator.GetConnectedFunctionGenerators();
if (oscilloscopes.connectedDevices.Length == 0)
{
// show a messagebox error if there are no scopes connected
MessageBoxResult result = MessageBox.Show("Error: No oscilloscopes found. " +
"Make sure that the oscilloscope is connected and turned on and then try again",
appName, MessageBoxButton.OK);
switch (result)
{
case MessageBoxResult.OK: // there's only one case
ExitAll(); // might cause annoying task cancelled errors, we'll have to deal with those
return;
}
}
if (functionGenerators.connectedDevices.Length == 0)
{
// show a messagebox error if there are no function generators connected
MessageBoxResult result = MessageBox.Show("Error: No function generators found. " +
"Make sure that the function generator is connected and turned on and then try again",
appName, MessageBoxButton.OK);
switch (result)
{
case MessageBoxResult.OK: // there's only one case
ExitAll(); // might cause annoying task cancelled errors, we'll have to deal with those
return;
}
}
if (oscilloscopes.connectedDevices.Length > 1)
{
MessageBoxResult result = MessageBox.Show("Error: Too many oscilloscopes found. " +
"Unplug all but one oscilloscope and then try again",
appName, MessageBoxButton.OK);
switch (result)
{
case MessageBoxResult.OK: // there's only one case
ExitAll(); // might cause annoying task cancelled errors, we'll have to deal with those
return;
}
}
else
{
scope = oscilloscopes.connectedDevices[0]; // there's only one, that's the one we use
}
if (functionGenerators.connectedDevices.Length > 1)
{
MessageBoxResult result = MessageBox.Show("Error: Too many function generators found. " +
"Unplug all but one function generator and then try again",
appName, MessageBoxButton.OK);
switch (result)
{
case MessageBoxResult.OK: // there's only one case
ExitAll(); // might cause annoying task cancelled errors, we'll have to deal with those
return;
}
}
else
{
fg = functionGenerators.connectedDevices[0]; // there's only one, that's the one we use
}
}
