Refactor

zei/BatteryLevelChar.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+
+from bluepy import btle
+import ZeiCharBase
+
+
+# pylint: disable=E1101
+class BatteryLevelChar(ZeiCharBase.ZeiCharBase):
+    svcUUID = btle.AssignedNumbers.battery_service
+    charUUID = btle.AssignedNumbers.battery_level
+
+    def __init__(self, periph):
+        super.__init__(self, periph)

zei/Log.py

@@ -0,0 +1,8 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+import logging
+
+_log = logging.getLogger(__name__)
+_log.addHandler(logging.StreamHandler())
+_log.setLevel(logging.INFO)

zei/Zei.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+
+from bluepy import btle
+from . import ZeiOrientationChar
+from . import ZeiDelegate
+
+class Zei(btle.Peripheral):
+
+    def __init__(self, *args, **kwargs):
+        btle.Peripheral.__init__(self, *args, **kwargs)
+        self.withDelegate(ZeiDelegate.ZeiDelegate(self))
+
+        # activate notifications about turn
+        self.orientation = ZeiOrientationChar.ZeiOrientationChar(self)
+        self.orientation.enable()

zei/ZeiCharBase.py

@@ -0,0 +1,24 @@
+#!/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("<H", 2), withResponse=True)

zei/ZeiDelegate.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+import struct
+from bluepy import btle
+from .Log import _log
+
+
+class ZeiDelegate(btle.DefaultDelegate):
+
+    def __init__(self, periph):
+        btle.DefaultDelegate.__init__(self)
+        self.parent = periph
+
+    def handleNotification(self, cHandle, data):
+        if cHandle == 38:
+            side = struct.unpack('B', data)[0]
+            _log.info("Current side up is %s", side )
+        else:
+            _log.info("Notification from hndl: %s - %r", cHandle, data)

zei/ZeiDiscovery.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+
+from bluepy import btle
+
+
+class ZeiDiscovery(btle.Scanner):
+
+    def __init__(self, periph=None, **kwargs):
+        self.zei = periph
+        btle.Scanner.__init__(self, **kwargs)
+        #self.withDelegate(ZeiDiscoveryDelegate(self, self.zei))
+        #self.stop_scanning = False
+
+    def reconnect(self):
+        self.iface=self.zei.iface
+        self.clear()
+        self.start()
+        while self.zei.addr not in self.scanned:
+            self.process(timeout=2)
+        self.stop()
+        self.zei.connect(self.scanned[self.zei.addr])

zei/ZeiDiscoveryDelegate.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+
+from bluepy import btle
+from Log import _log
+
+
+class ZeiDiscoveryDelegate(btle.DefaultDelegate):
+    def __init__(self, scanner, periph):
+        btle.DefaultDelegate.__init__(self)
+        self.scanner = scanner
+        self.periph = periph
+
+    def handleDiscovery(self, dev, isNewDev, isNewData):
+        if not dev.addr == 'f1:05:a5:9c:2e:9b':
+            return
+        _log.info("Device %s (%s), RSSI=%d dB", dev.addr, dev.addrType, dev.rssi)
+        for (_, desc, value) in dev.getScanData():
+            _log.info("  %s = %s", desc, value)
+        # reconnect
+
+        # bluepy can only do one thing at a time, so stop scanning while trying to connect
+        # this is not supported by bluepy
+        #self.scanner.stop()
+
+        try:
+            self.periph.connect(dev)
+            self.scanner.stop_scanning = True
+        except:
+            # re
+            self.scanner.start()
+            pass

zei/ZeiOrientationChar.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+
+from . import ZeiCharBase
+
+def _ZEI_UUID(short_uuid):
+    return 'c7e7%04X-c847-11e6-8175-8c89a55d403c' % (short_uuid)
+
+class ZeiOrientationChar(ZeiCharBase.ZeiCharBase):
+    svcUUID = _ZEI_UUID(0x0010)
+    charUUID = _ZEI_UUID(0x0012)
+
+    def __init__(self, periph):
+        ZeiCharBase.ZeiCharBase.__init__(self, periph)

zei/__init__.py

@@ -0,0 +1 @@
+# Empty