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from os import sync
import gatt
import datetime
import struct
from gi.repository import GObject, Gio
from .config import config
BTSVC_TIME = "00001805-0000-1000-8000-00805f9b34fb"
BTSVC_INFO = "0000180a-0000-1000-8000-00805f9b34fb"
BTSVC_BATT = "0000180f-0000-1000-8000-00805f9b34fb"
BTSVC_ALERT = "00001811-0000-1000-8000-00805f9b34fb"
BTCHAR_FIRMWARE = "00002a26-0000-1000-8000-00805f9b34fb"
BTCHAR_CURRENTTIME = "00002a2b-0000-1000-8000-00805f9b34fb"
BTCHAR_NEWALERT = "00002a46-0000-1000-8000-00805f9b34fb"
BTCHAR_BATTLEVEL = "00002a19-0000-1000-8000-00805f9b34fb"
def get_current_time():
now = datetime.datetime.now()
# https://www.bluetooth.com/wp-content/uploads/Sitecore-Media-Library/Gatt/Xml/Characteristics/org.bluetooth.characteristic.current_time.xml
return bytearray(
struct.pack(
"HBBBBBBBB",
now.year,
now.month,
now.day,
now.hour,
now.minute,
now.second,
now.weekday() + 1, # numbered 1-7
int(now.microsecond / 1e6 * 256), # 1/256th of a second
0b0001, # adjust reason
)
)
def get_default_adapter():
"""https://stackoverflow.com/a/49017827"""
import dbus
bus = dbus.SystemBus()
try:
manager = dbus.Interface(
bus.get_object("org.bluez", "/"), "org.freedesktop.DBus.ObjectManager"
)
except dbus.exceptions.DBusException:
raise BluetoothDisabled
for path, ifaces in manager.GetManagedObjects().items():
if ifaces.get("org.bluez.Adapter1") is None:
continue
return path.split("/")[-1]
raise NoAdapterFound
class InfiniTimeManager(gatt.DeviceManager):
def __init__(self):
self.conf = config()
self.device_set = set()
self.aliases = dict()
if not self.conf.get_property("paired"):
self.scan_result = False
self.adapter_name = get_default_adapter()
self.conf.set_property("adapter", self.adapter_name)
else:
self.scan_result = True
self.adapter_name = self.conf.get_property("adapter")
self.mac_address = None
super().__init__(self.adapter_name)
def get_scan_result(self):
if self.conf.get_property("paired"):
self.scan_result = True
return self.scan_result
def get_device_set(self):
return self.device_set
def get_adapter_name(self):
if self.conf.get_property("paired"):
return self.conf.get_property("adapter")
return get_default_adapter()
def set_mac_address(self, mac_address):
self.mac_address = mac_address
def get_mac_address(self):
if self.conf.get_property("paired"):
self.mac_address = self.conf.get_property("last_paired_device")
return self.mac_address
def set_timeout(self, timeout):
GObject.timeout_add(timeout, self.stop)
def device_discovered(self, device):
for prefix in ["InfiniTime", "Pinetime-JF", "PineTime", "Y7S"]:
if device.alias().startswith(prefix):
self.scan_result = True
self.aliases[device.mac_address] = device.alias()
self.device_set.add(device.mac_address)
def scan_for_infinitime(self):
self.start_discovery()
self.set_timeout(1.5 * 1000)
self.run()
class InfiniTimeDevice(gatt.Device):
def __init__(self, mac_address, manager, thread):
self.conf = config()
self.mac = mac_address
self.manager = manager
self.thread = thread
super().__init__(mac_address, manager)
def connect(self):
self.successful_connection = True
super().connect()
def connect_succeeded(self):
super().connect_succeeded()
print("[%s] Connected" % (self.mac_address))
print("self.mac", self.mac)
self.conf.set_property("last_paired_device", self.mac)
def connect_failed(self, error):
super().connect_failed(error)
self.successful_connection = False
print("[%s] Connection failed: %s" % (self.mac_address, str(error)))
def disconnect_succeeded(self):
super().disconnect_succeeded()
print("[%s] Disconnected" % (self.mac_address))
def characteristic_write_value_succeeded(self, characteristic):
if not self.conf.get_property("paired"):
self.disconnect()
def services_resolved(self):
super().services_resolved()
infosvc = None
timesvc = None
battsvc = None
alertsvc = None
for svc in self.services:
if svc.uuid == BTSVC_INFO:
infosvc = svc
elif svc.uuid == BTSVC_TIME:
timesvc = svc
elif svc.uuid == BTSVC_BATT:
battsvc = svc
elif svc.uuid == BTSVC_ALERT:
alertsvc = svc
if timesvc:
currenttime = next(
c
for c in timesvc.characteristics
if c.uuid == BTCHAR_CURRENTTIME
)
# Update watch time on connection
currenttime.write_value(get_current_time())
self.firmware = b"n/a"
if infosvc:
info_firmware = next(
c
for c in infosvc.characteristics
if c.uuid == BTCHAR_FIRMWARE
)
# Get device firmware
self.firmware = info_firmware.read_value()
if alertsvc:
self.new_alert = next(
c
for c in alertsvc.characteristics
if c.uuid == BTCHAR_NEWALERT
)
self.battery = -1
if battsvc:
battery_level = next(
c
for c in battsvc.characteristics
if c.uuid == BTCHAR_BATTLEVEL
)
# Get device firmware
self.battery = int(battery_level.read_value()[0])
if self.thread:
self.services_done()
def send_notification(self, alert_dict):
message = alert_dict["message"]
alert_category = "0" # simple alert
alert_number = "0" # 0-255
title = alert_dict["sender"]
msg = (
str.encode(alert_category)
+ str.encode(alert_number)
+ str.encode("\0")
+ str.encode(title)
+ str.encode("\0")
+ str.encode(message)
)
# arr = bytearray(message, "utf-8")
# self.new_alert_characteristic.write_value(arr)
self.new_alert.write_value(msg)
class BluetoothDisabled(Exception):
pass
class NoAdapterFound(Exception):
pass
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