internal BluetoothGattCharacteristic GetCharacteristic(BluetoothGattService service, string uuid)
{
BluetoothGattAttributeHandle attributeHandle;
int err = Interop.Bluetooth.BtGattServiceGetCharacteristic(_handle, uuid, out attributeHandle);
if (err.IsFailed())
{
GattUtil.Error(err, string.Format("Failed to get Characteristic with UUID ({0})", uuid));
return(null);
}
BluetoothGattCharacteristic Characteristic = BluetoothGattCharacteristicImpl.CreateBluetoothGattGattCharacteristic(attributeHandle, uuid);
Characteristic.SetParent(service);
return(Characteristic);
}
internal static BluetoothGattCharacteristic CreateBluetoothGattGattCharacteristic(BluetoothGattAttributeHandle handle, string uuid)
{
int permission;
int err = Interop.Bluetooth.BtGattCharacteristicGetPermissions(handle, out permission);
GattUtil.ThrowForError(err, "Failed to get permissions");
if (uuid == "")
{
err = Interop.Bluetooth.BtGattGetUuid(handle, out uuid);
GattUtil.ThrowForError(err, "Failed to get UUID");
}
BluetoothGattCharacteristicImpl impl = new BluetoothGattCharacteristicImpl(handle);
return(new BluetoothGattCharacteristic(impl, uuid, (BluetoothGattPermission)permission));
}
internal IEnumerable <BluetoothGattCharacteristic> GetCharacteristics(BluetoothGattService service)
{
List <BluetoothGattCharacteristic> attribututeList = new List <BluetoothGattCharacteristic>();
Interop.Bluetooth.BtGattForeachCallback cb = (total, index, attributeHandle, userData) =>
{
BluetoothGattAttributeHandle handle = new BluetoothGattAttributeHandle(attributeHandle, false);
BluetoothGattCharacteristic Characteristic = BluetoothGattCharacteristicImpl.CreateBluetoothGattGattCharacteristic(handle, "");
if (Characteristic != null)
{
Characteristic.SetParent(service);
attribututeList.Add(Characteristic);
}
return(true);
};
int err = Interop.Bluetooth.BtGattServiceForeachCharacteristics(service.GetHandle(), cb, IntPtr.Zero);
GattUtil.Error(err, "Failed to get all Characteristic");
return(attribututeList);
}
internal BluetoothGattCharacteristic(BluetoothGattCharacteristicImpl impl, string uuid, BluetoothGattPermission permission) : base(uuid, permission)
{
_impl = impl;
}
/// <summary>
/// The constructor.
/// </summary>
/// <param name="uuid">The UUID of the characterstic.</param>
/// <param name="permissions">Permissions for the characterstic.</param>
/// <param name="properties">Properties set for the characterstic.</param>
/// <param name="value">The value associated with the characterstic.</param>
/// <remarks>throws in case of internal error.</remarks>
/// <exception cref="InvalidOperationException">Thrown when the create GATT characteristics procedure fails.</exception>
/// <since_tizen> 3 </since_tizen>
public BluetoothGattCharacteristic(string uuid, BluetoothGattPermission permissions, BluetoothGattProperty properties, byte[] value) : base(uuid, permissions)
{
_impl = new BluetoothGattCharacteristicImpl(uuid, permissions, properties, value);
}
