#!/usr/bin/env python3 # -*- coding: utf-8 -*- # from bluepy import btle import struct class ZeiCharBase(object): def __init__(self, periph): self.periph = periph self.hndl = None #self.svcUUID = None #self.charUUID = None # pylint: disable=E1101 def enable(self): _svc = self.periph.getServiceByUUID(self.svcUUID) _chr = _svc.getCharacteristics(self.charUUID)[0] self.hndl = _chr.getHandle() # this is uint16_t - see: https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.descriptor.gatt.client_characteristic_configuration.xml _cccd = _chr.getDescriptors(btle.AssignedNumbers.client_characteristic_configuration)[0] _cccd.write(struct.pack("