private async Task DoIncrementWriteTapped(GattWriteOption WriteOption)
{
var oldValue = uiValueShow.Text;
var characteristic = Characteristic;
try
{
if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Read))
{
var buffer = await characteristic.ReadValueAsync();
if (buffer.Status == GattCommunicationStatus.Success)
{
var data = buffer.Value.ToArray();
for (int i = data.Length - 1; i >= 0; i--)
{
if (data[i] < 0xFF)
{
data[i]++;
break;
}
else
{
data[i] = 0;
// And carry the one to the next byte.
}
}
var dataBuffer = data.AsBuffer();
var newAsString = ValueParser.ConvertToStringHex(dataBuffer);
uiValueShow.Text = newAsString;
var status = await Characteristic.WriteValueWithResultAsync(dataBuffer, WriteOption);
}
}
}
catch (Exception)
{
; //TODO: show exception to user!
}
}
public async Task InitAsync(GattDeviceService service, GattCharacteristic characteristic, string preferredFormat)
{
uiPreferredFormat.Text = preferredFormat;
string str = null;
try
{
AddData("Service", characteristic.Service.Uuid.ToString());
var reg = BluetoothServiceRegistration.FindRegistration(characteristic.Service.Uuid);
if (reg != null)
{
AddData("RegistrationOwner", reg.RegistrationOwner);
}
AddData("ID", characteristic.Uuid.ToString());
}
catch (Exception e1)
{
System.Diagnostics.Debug.WriteLine($"Exception: CharacteristicDetailViewer: Adding data {e1.Message}");
}
try
{
str = characteristic.UserDescription;
}
catch (Exception e2)
{
System.Diagnostics.Debug.WriteLine($"Exception: CharacteristicDetailViewer: Getting user description {e2.Message}");
}
if (!String.IsNullOrWhiteSpace(str))
{
AddData("Description", str);
}
try
{
str = "";
foreach (var format in characteristic.PresentationFormats)
{
str = $"{format.Description} type={format.FormatType} namespace={format.Namespace} unit={format.Unit} exponent={format.Exponent}";
AddData("Format", str);
}
}
catch (Exception e)
{
AddData("Format", $"Exception: {e.Message}");
}
str = "";
// Don't bother with descriptors
try
{
var dc = DeviceCharacteristic.Create(characteristic);
AddData("Methods", dc.PropertiesAsString); // e.g. Read Write etc.
}
catch (Exception e)
{
AddData("Methods", $"Exception: {e.Message}");
}
try
{
AddData("Protection Level", characteristic.ProtectionLevel.ToString());
}
catch (Exception e)
{
AddData("Protection Level", $"Exception: {e.Message}");
}
try
{
if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Read))
{
var buffer = await characteristic.ReadValueAsync();
if (buffer.Status == GattCommunicationStatus.Success)
{
var data = ValueParser.ConvertToStringHex(buffer.Value);
AddData("Data", data);
}
else
{
AddData("Data", $"Error: {buffer.Status}");
}
}
}
catch (Exception e)
{
AddData("Data", $"Exception: {e.Message}");
}
}
public async Task InitAsync(GattDeviceService service, GattCharacteristic characteristic)
{
Service = service;
Characteristic = characteristic;
string str;
AddData("Service", characteristic.Service.Uuid.ToString());
AddData("ID", characteristic.Uuid.ToString());
str = characteristic.UserDescription;
if (!String.IsNullOrWhiteSpace(str))
{
AddData("Description", str);
}
try
{
str = "";
foreach (var format in characteristic.PresentationFormats)
{
str = $"{format.Description} type={format.FormatType} namespace={format.Namespace} unit={format.Unit} exponent={format.Exponent}";
AddData("Format", str);
}
}
catch (Exception e)
{
AddData("Format", $"Exception: {e.Message}");
}
str = "";
// Don't bother with descriptors
try
{
var dc = DeviceCharacteristic.Create(characteristic);
AddData("Methods", dc.PropertiesAsString); // e.g. Read Write etc.
}
catch (Exception e)
{
AddData("Methods", $"Exception: {e.Message}");
}
try
{
AddData("Protection Level", characteristic.ProtectionLevel.ToString());
}
catch (Exception e)
{
AddData("Protection Level", $"Exception: {e.Message}");
}
try
{
if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Read))
{
var buffer = await characteristic.ReadValueAsync();
if (buffer.Status == GattCommunicationStatus.Success)
{
//NOTE: also get the data as the nice version?
var data = ValueParser.ConvertToStringHex(buffer.Value);
AddData("Data", data);
uiEditBox.Text = data; // NOTE: what if I don't want hex?
}
else
{
AddData("Data", $"Error: {buffer.Status}");
}
}
}
catch (Exception e)
{
AddData("Data", $"Exception: {e.Message}");
}
AddButtons(); // e.g. for the Skootbot robot controls
}
