/// <summary>
/// Initializes whole service object. Needs to be called before any use. It is called
/// automatically by parent BleDevice object while its initialization.
/// </summary>
public void Initialize(BleDevice device)
{
try
{
DeviceService = device.LEDevice.GetGattService(UUID);
}
catch (Exception e)
{
DeviceService = null;
}
if (!IsAvailable)
{
return;
}
var props = this.GetType().GetProperties();
foreach (var property in props)
{
if (!property.PropertyType.IsAssignableFrom(typeof(BleCharacteristic)))
{
continue;
}
BleCharacteristic characteristic = (BleCharacteristic)property.GetValue(this);
if (characteristic != null)
{
AllCharacteristics.Add(characteristic);
characteristic.Initialize(this);
}
}
}
public static async Task<string> ReadAsUnicodeString(this BleCharacteristic me)
{
var readStatus = await me.ReadAsync();
if (readStatus.Status == GattCommunicationStatus.Unreachable)
return null;
return StringParser.Convert(readStatus.Value, GattPresentationFormatTypes.Utf16);
}
/// <summary>
/// Disconnects parser from characteristic.
/// </summary>
public void Disconnect()
{
DisableNotifications();
DisableIndications();
if (Characteristic != null)
{
Characteristic.ValueChanged -= CharacteristicOnValueChanged;
}
Characteristic = null;
}
/// <summary>
/// Connects parser with particular characteristic. Characteristic can be controlled from that
/// moment either directly or via this parser object.
/// </summary>
public void ConnectWithCharacteristic(BleCharacteristic characteristic)
{
Disconnect();
if (characteristic == null)
{
return;
}
Characteristic = characteristic;
Characteristic.ValueChanged -= CharacteristicOnValueChanged;
Characteristic.ValueChanged += CharacteristicOnValueChanged;
}
public static async Task<GattCommunicationStatus> WriteAsUnicodeString(this BleCharacteristic me, string input)
{
var buffer = StringParser.Convert(input, GattPresentationFormatTypes.Utf16);
return await me.WriteAsync(buffer);
}