private void ConvertAttributesToCharacteristics(BlePeripheralService service)
{
#region Example attr table
// *=== Service: 42 48 12 4a 7f 2c 48 47 b9 de 04 a9 02 00 06 d5
// *====== Att: 26 - 00 28
// *====== Att: 27 - 03 28
// *====== Att: 28 - 42 48 12 4a 7f 2c 48 47 b9 de 04 a9 02 04 06 d5
// *====== Att: 29 - 02 29
// *====== Att: 30 - 03 28
// *====== Att: 31 - 42 48 12 4a 7f 2c 48 47 b9 de 04 a9 02 05 06 d5
// *====== Att: 32 - 02 29
#endregion
BlePeripheralCharacteristic current = null;
bool createCharacteristic = false;
foreach (BlePeripheralAttribute attr in service.Attributes)
{
if (attr.AttributeUUID.Equals(BlePeripheralAttribute.SERVICE_UUID))
{
// defines service - do nothing
}
else if (attr.AttributeUUID.Equals(BlePeripheralAttribute.CHARACTERISTIC_UUID))
{
// finish previous characteristic
current = null;
// crete characteristic from next attribute
createCharacteristic = true;
}
else if (attr.AttributeUUID.Equals(BlePeripheralAttribute.CHARACTERISTIC_CCC_UUID))
{
// add ccc capabilities to characteristic
current.SetCCCHandle(attr.Handle);
}
else
{
// if new characteristic begins - create it else skip and do nothing
if (createCharacteristic)
{
current = new BlePeripheralCharacteristic(attr.AttributeUUID, attr.Handle);
createCharacteristic = false;
service.Characteristics.Add(current);
}
}
}
}
public void WriteClientCharacteristicConfiguration(Bytes uuid, BleCCCValue value)
{
BlePeripheralCharacteristic characteristic = this.PeripheralMap.FindCharacteristicByUUID(uuid);
if (!characteristic.HasCCC)
{
throw new ArgumentException($"Client characteristic {uuid} doesn't have a configuration attribute!");
}
ByteSerializer bs = new ByteSerializer();
bs.Serialize(value);
ushort attrHandle = characteristic.HandleCCC;
this.WriteAttribute(attrHandle, bs.GetBuffer());
}
public BleCCCValue ReadClientCharacteristicConfiguration(Bytes uuid)
{
BleCCCValue ccc;
BlePeripheralCharacteristic characteristic = this.PeripheralMap.FindCharacteristicByUUID(uuid);
if (!characteristic.HasCCC)
{
throw new ArgumentException("Client characteristic {uuid} doesn't have a configuration attribute!");
}
ushort attrHandle = characteristic.HandleCCC;
Bytes rawValue = this.ReadAttribute(attrHandle);
using (ByteDeserializer bd = new ByteDeserializer(rawValue))
{
ccc = bd.DeSerializeBleCCValue();
}
return(ccc);
}
