public void Update()
{
if (Current() > _previousDistance)
{
_previousDistance = Current();
_onUpdated.Invoke(Current());
}
}
/// <summary>
/// Sets up the notifications;
/// Will call Status
/// </summary>
/// <param name="notifyType"></param>
/// <returns>true if the notify was set up. </returns>
public async Task <bool> NotifyDistanceAsync(GattClientCharacteristicConfigurationDescriptorValue notifyType = GattClientCharacteristicConfigurationDescriptorValue.Notify)
{
if (!await EnsureCharacteristicAsync())
{
return(false);
}
var ch = Characteristics[6];
if (ch == null)
{
return(false);
}
GattCommunicationStatus result = GattCommunicationStatus.ProtocolError;
try
{
result = await ch.WriteClientCharacteristicConfigurationDescriptorAsync(notifyType);
if (!NotifyDistance_ValueChanged_Set)
{
// Only set the event callback once
NotifyDistance_ValueChanged_Set = true;
ch.ValueChanged += (sender, args) =>
{
var datameaning = "U8^20_/_2.54_*|HEX|Distance|cm";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(args.CharacteristicValue, datameaning);
Distance = parseResult.ValueList.GetValue("Distance").AsDouble;
DistanceEvent?.Invoke(parseResult);
};
}
}
catch (Exception e)
{
Status.ReportStatus($"NotifyDistance: {e.Message}", result);
return(false);
}
Status.ReportStatus($"NotifyDistance: set notification", result);
return(true);
}