private async void Connection_Click(object sender, RoutedEventArgs e)
{
// If currently connected then disconnected
if (_bleDevice != null)
{
await Disconnect();
}
else
{
_bleDevice = DevicesDropdown.SelectedItem as BLE_Device;
// Try and connect
Connecting = true;
if (await _bleDevice.Connect())
{
NotifyPropertyChanged("IsConnected");
_bleDevice.ResponseStringEventOccurred += Device_ResponseStringEventOccurred;
// Retrieve animations stored on the device
await _bleDevice.SendChannelString("{\"CMD\", \"ENUMERATE\"}");
}
else
{
// A coonection error occurred so flash an appropriate message to the user
Connecting = false;
Storyboard sbFlashConnectionError = FindResource("FlashConnectionError") as Storyboard;
sbFlashConnectionError.Begin();
}
Connecting = false;
}
}
private void AppWindow_Loaded(object sender, RoutedEventArgs e)
{
// Start BLE device enumeration
_bleDeviceManager.Start();
_pleaseSelectdevice = new BLE_Device("(Select a device)", 0);
_bleDeviceManager.DiscoveredDevices.Add(_pleaseSelectdevice);
DevicesDropdown.SelectedValue = _pleaseSelectdevice;
}
private void DevicesDropdown_SelectionChanged(object sender, RoutedEventArgs e)
{
BLE_Device device = DevicesDropdown.SelectedItem as BLE_Device;
if (_pleaseSelectdevice != null && device != _pleaseSelectdevice)
{
_bleDeviceManager.DiscoveredDevices.Remove(_pleaseSelectdevice);
}
NotifyPropertyChanged("IsConnectButtonEnabled");
}
private async Task Disconnect(bool removeFromList = false)
{
// Disconnect device
if (_bleDevice != null)
{
await _bleDevice.Disconnect();
_bleDevice = null;
_storedAnimations.Clear();
}
NotifyPropertyChanged("IsConnected");
}
private void ConnectivityManager_OnDisconnecting(object sender, BLE_Device e)
{
StoredAnimations.Clear();
e.ResponseStringEventOccurred -= Device_ResponseStringEventOccurred;
NotifyPropertyChanged("IsSelectedItemConnected", "IsDeviceRenamable");
}
