private async Task RefreshDeviceList()
{
if (ConnectionMethodPicker.SelectedItem == null)
{
ConnectMessage.Text = "Select a connection method to continue.";
return;
}
DevicePicker.ItemsSource = null;
ObservableCollection <string> result = null;
switch (ConnectionMethodPicker.SelectedItem as string)
{
default:
case "Bluetooth":
DevicePicker.IsVisible = true;
DevicesText.IsVisible = true;
NetworkHostNameEntry.IsEnabled = false;
NetworkPortEntry.IsEnabled = false;
BaudRatePicker.IsEnabled = true;
NetworkHostNameEntry.Text = "";
NetworkPortEntry.Text = "";
cancelTokenSource = new CancellationTokenSource();
cancelTokenSource.Token.Register(() => OnConnectionCancelled());
result = await arduino.GetDeviceList("Bluetooth", cancelTokenSource.Token);
if (result.Count > 0)
{
DevicePicker.ItemsSource = result;
}
else
{
ConnectMessage.Text = "No items found.";
DevicePicker.IsVisible = false;
}
break;
case "USB":
DevicePicker.IsVisible = true;
DevicesText.IsVisible = true;
NetworkHostNameEntry.IsEnabled = false;
NetworkPortEntry.IsEnabled = false;
BaudRatePicker.IsEnabled = true;
NetworkHostNameEntry.Text = "";
NetworkPortEntry.Text = "";
cancelTokenSource = new CancellationTokenSource();
cancelTokenSource.Token.Register(() => OnConnectionCancelled());
result = await arduino.GetDeviceList("USB", cancelTokenSource.Token);
if (result.Count > 0)
{
DevicePicker.ItemsSource = result;
}
else
{
ConnectMessage.Text = "No items found.";
DevicePicker.IsVisible = false;
}
break;
case "DfRobot":
DevicePicker.IsVisible = true;
DevicesText.IsVisible = true;
NetworkHostNameEntry.IsEnabled = false;
NetworkPortEntry.IsEnabled = false;
BaudRatePicker.IsEnabled = true;
NetworkHostNameEntry.Text = "";
NetworkPortEntry.Text = "";
cancelTokenSource = new CancellationTokenSource();
cancelTokenSource.Token.Register(() => OnConnectionCancelled());
result = await arduino.GetDeviceList("DfRobot", cancelTokenSource.Token);
if (result.Count > 0)
{
DevicePicker.ItemsSource = result;
}
else
{
ConnectMessage.Text = "No items found.";
DevicePicker.IsVisible = false;
}
break;
case "Network":
DevicePicker.IsVisible = false;
DevicesText.IsVisible = false;
NetworkHostNameEntry.IsEnabled = true;
NetworkPortEntry.IsEnabled = true;
BaudRatePicker.IsEnabled = false;
ConnectMessage.Text = "Enter a host and port to connect.";
break;
}
}
