// This function opens the com port and attempts to connect with the validator. It then negotiates
// the keys for encryption and performs some other setup commands.
private bool ConnectToValidator(int attempts)
{
// setup timer
System.Windows.Forms.Timer reconnectionTimer = new System.Windows.Forms.Timer();
reconnectionTimer.Tick += new EventHandler(reconnectionTimer_Tick);
reconnectionTimer.Interval = 3000; // ms
// run for number of attempts specified
for (int i = 0; i < attempts; i++)
{
// close com port in case it was open
NV11.SSPComms.CloseComPort();
// turn encryption off for first stage
NV11.CommandStructure.EncryptionStatus = false;
// if the key negotiation is successful then set the rest up
if (NV11.NegotiateKeys(textBox1) == true)
{
NV11.CommandStructure.EncryptionStatus = true; // now encrypting
// find the max protocol version this validator supports
byte maxPVersion = FindMaxProtocolVersion();
if (maxPVersion >= 6)
{
NV11.SetProtocolVersion(maxPVersion, textBox1);
}
else
{
MessageBox.Show("This program does not support validators under protocol 6!", "ERROR");
return(false);
}
// get info from the validator and store useful vars
NV11.SetupRequest(textBox1);
// inhibits, this sets which channels can receive notes
NV11.SetInhibits(textBox1);
// enable, this allows the validator to operate
NV11.EnableValidator(textBox1);
// value reporting, set whether the validator reports channel or coin value in
// subsequent requests
NV11.SetValueReportingType(false, textBox1);
// check for notes already in the float on startup
NV11.CheckForStoredNotes(textBox1);
//
return(true);
}
// reset timer
reconnectionTimer.Enabled = true;
while (reconnectionTimer.Enabled)
{
Application.DoEvents();
}
}
return(false);
}
// The main program loop, this is to control the validator, it polls at
// a value set in this class (pollTimer).
public void MainLoop()
{
btnRun.Enabled = false;
btnHalt.Enabled = true;
Thread tNV11Rec = null, tHopRec = null;
// Connect to the validators
ConnectToNV11(textBox1);
ConnectToHopper(textBox1);
NV11.EnableValidator();
Hopper.EnableValidator();
// While application is still active
while (!CHelpers.Shutdown)
{
// Setup form layout on first run
if (!FormSetup)
{
SetupFormLayout();
FormSetup = true;
}
// If the hopper is supposed to be running but the poll fails
if (hopperRunning && !Hopper.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to SMART Hopper\r\n");
// If the other unit isn't running, refresh the port by closing it
if (!NV11Running)
{
LibraryHandler.ClosePort();
}
hopperRunning = false;
tHopRec = new Thread(() => ReconnectHopper());
tHopRec.Start();
}
// If the NV11 is supposed to be running but the poll fails
if (NV11Running && !NV11.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to NV11\r\n");
// If the other unit isn't running, refresh the port by closing it
if (!hopperRunning)
{
LibraryHandler.ClosePort();
}
NV11Running = false;
tNV11Rec = new Thread(() => ReconnectNV11());
tNV11Rec.Start();
}
UpdateUI();
timer1.Enabled = true;
while (timer1.Enabled)
{
Application.DoEvents();
Thread.Sleep(1); // Yield so windows can schedule other threads to run
}
}
//close com port
LibraryHandler.ClosePort();
btnRun.Enabled = true;
btnHalt.Enabled = false;
}
