// 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, int interval)
{
// setup timer
reconnectionTimer.Interval = interval * 1000; // ms
// run for number of attempts specified
for (int i = 0; i < attempts; i++)
{
// close com port in case it was open
Payout.SSPComms.CloseComPort();
// turn encryption off for first stage
Payout.CommandStructure.EncryptionStatus = false;
// if the key negotiation is successful then set the rest up
if (Payout.OpenComPort(textBox1) && Payout.NegotiateKeys(textBox1))
{
Payout.CommandStructure.EncryptionStatus = true; // now encrypting
// find the max protocol version this validator supports
byte maxPVersion = FindMaxProtocolVersion();
if (maxPVersion >= 6)
{
Payout.SetProtocolVersion(maxPVersion, textBox1);
}
else
{
MessageBox.Show("This program does not support slaves under protocol 6!", "ERROR");
return(false);
}
// get info from the validator and store useful vars
Payout.SetupRequest(textBox1);
// check this unit is supported
if (!IsUnitValid(Payout.UnitType))
{
MessageBox.Show("Unsupported type shown by SMART Payout, this SDK supports the SMART Payout only");
Application.Exit();
return(false);
}
// inhibits, this sets which channels can receive notes
Payout.SetInhibits(textBox1);
// enable, this allows the validator to operate
Payout.EnableValidator(textBox1);
// enable the payout system on the validator
Payout.EnablePayout(textBox1);
return(true);
}
// Set 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()
{
this.Enabled = true;
btnRun.Enabled = false;
btnHalt.Enabled = true;
// Connect to the validators (non-threaded for initial connect)
ConnectToSMARTPayout(textBox1);
ConnectToHopper(textBox1);
// Enable validators
Payout.EnableValidator();
Hopper.EnableValidator();
// While app 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 && !hopperConnecting && !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 (!payoutRunning)
{
LibraryHandler.ClosePort();
}
hopperRunning = false;
// Create and start a reconnection thread, this allows this loop to continue executing
// and polling the other validator
tHopRec = new Thread(() => ReconnectHopper());
tHopRec.Start();
}
// Same as above but for the Payout
if (payoutRunning && !payoutConnecting && !Payout.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to SMART Payout\r\n");
// If the other unit isn't running, refresh the port by closing it
if (!hopperRunning)
{
LibraryHandler.ClosePort();
}
payoutRunning = false;
// Create and start a reconnection thread, this allows this loop to continue executing
// and polling the other validator
tSPRec = new Thread(() => ReconnectPayout());
tSPRec.Start();
}
UpdateUI();
timer1.Enabled = true;
while (timer1.Enabled)
{
Application.DoEvents();
}
}
btnRun.Enabled = true;
btnHalt.Enabled = false;
}