private void CheckConnectedPortsState(object sender, ElapsedEventArgs e)
{
var currentlyAvailablePorts = GetAvailablePorts();
if (IsPortsCollectionChanged(_previouslyAvailablePorts, currentlyAvailablePorts))
{
AvailablePortsChanged?.Invoke(this,
new AvailablePortsChangedEventArgs()
{
AvailablePorts = currentlyAvailablePorts
});
_previouslyAvailablePorts = currentlyAvailablePorts;
}
}
private void CheckAvailablePorts()
{
if (port.IsOpen)
{
if (DeviceConnectionState == DeviceState.ConnectionAttempt && awaitingDeviceConfirmation < 0)
{
Disconnect();
}
else
{
if (DeviceConnectionState == DeviceState.ConnectionAttempt)
{
awaitingDeviceConfirmation--;
}
return;
}
}
if (DeviceConnectionState > DeviceState.ConnectionAttempt)
{
Disconnect();
}
var newPorts = new HashSet <string>(SerialPort.GetPortNames());
if (availablePortNames.SetEquals(newPorts))
{
return;
}
var changedPorts = newPorts.Except(availablePortNames);
string newPortName = string.Empty;
if (changedPorts.Count() > 0 && newPorts.Contains(changedPorts.First()))
{
newPortName = changedPorts.First();
}
availablePortNames = newPorts;
// Do this only when ports change to prevent UI blocking
availablePorts = GetFullCOMData(availablePortNames);
AvailablePortsChanged?.Invoke(AvailablePortNames, GetNewPortIndexByPortName(availablePortNames, newPortName));
}