2022-11-06 13:30:11 +00:00
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from . import mqtt, util
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from .util import timestamp
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import time
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2022-11-06 17:46:58 +00:00
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import datetime
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2022-11-06 13:30:11 +00:00
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import serial
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import serial.threaded
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import threading
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msgs = {
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"push_1": bytes.fromhex("B0 A0 6F 08"),
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"push_2": bytes.fromhex("B5 A0 6F 18"),
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"release": bytes.fromhex("B2 A0 6F 08"),
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"voice_closed": bytes.fromhex("B5 02 60 08"),
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"ring_hs": bytes.fromhex("91 02 60 08"),
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"ring_meyer": bytes.fromhex("91 01 60 08"),
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"open_push": bytes.fromhex("96 a0 6f a4"),
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"open_release": bytes.fromhex("96 a0 6f a0"),
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"light_push": bytes.fromhex("bd a0 6f a4"),
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"light_release":bytes.fromhex("bd a0 6f a0"),
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}
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class Reader(util.Loggable):
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def __init__(self, should_open_immediately_cb = None):
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self.tmp = bytes()
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self.data = []
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self.lock = threading.RLock()
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self.cv = threading.Condition(self.lock)
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self.times = []
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self.start = None
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self.last_symbol_timestamp = None
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self.light_push_time = None
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self.doing_light = False
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self.closed = False
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self.open_now_cb = should_open_immediately_cb
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def connection_lost(self, exc):
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if exc:
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print(exc)
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traceback.print_exc()
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self._logger().info("Closed")
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self.closed = True
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def connection_made(self, transport):
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# super(Reader, self).connection_made(transport)
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self.port = transport
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self._logger().info("Opened")
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def chksum(self, x):
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return x[0] ^ x[1] ^ x[2] ^ x[3]
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def write(self, data):
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with self.lock:
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self.port.write(bytes([0xA8]) + data + bytes([self.chksum(data), 0xA3]))
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def data_received(self, data):
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self.tmp += data
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data= self.tmp
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# log(data)
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while len(data) >= 7:
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while len(data) >= 7 and (data[0] != 0xA8 or data[-1] != 0xA3 or self.chksum(data[1:-2]) != data[-2]):
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if 0xA8 in data[1:]:
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next = data[1:].index(0xA8)
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data = data[1+next:]
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else:
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data = bytes()
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if len(data) >= 7:
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msg = data[1:5]
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with self.cv:
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if len(self.data) and msg == self.data[-1]:
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pass
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#log("Repeats")
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else:
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for k,v in msgs.items():
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if v == msg:
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self._logger().debug("Known message: %s: %s" % (k, v.hex()))
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break
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else:
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self._logger().debug("Unknown message: %s" % (msg.hex(),))
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self.data.append(data[1:5])
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self.cv.notify()
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if msgs['light_push'] == msg and not self.light_push_time:
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self.light_push_time = datetime.datetime.now()
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elif msgs['light_release'] == msg and self.light_push_time != None:
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dt = (datetime.datetime.now() - self.light_push_time).total_seconds()
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self.light_push_time = None
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self._logger().debug(f"Light time: {dt}")
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if dt >= 3:
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self.doing_light = not self.doing_light
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elif msgs['ring_hs'] == msg:
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open_now = self.open_now_cb and self.open_now_cb()
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if open_now:
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self.open_door()
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elif not self.start:
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self.start = datetime.datetime.now()
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if self.last_symbol_timestamp and (self.start - self.last_symbol_timestamp).total_seconds() > 5:
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self.times = []
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elif msgs['release'] == msg and self.start:
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t = datetime.datetime.now()
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self.last_symbol_timestamp = t
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dt = (t - self.start).total_seconds()
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self.start = None
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self.times = self.times[-3:] + [dt]
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avg = sum(self.times) / len(self.times)
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morse = [x>avg for x in self.times]
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if len(self.times) == 4:
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self._logger().info(", ".join([{True: "dah", False: "dit"}[x > avg] for x in self.times]))
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if morse == [False, False, True, False]:
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self.open_door()
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data = data[7:]
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self.tmp = data
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def alternate_msgs(self, names, times = 3, *, dt = 0.04):
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for _ in range(times):
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for m in names:
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self.write(msgs[m])
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time.sleep(dt)
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def send_light_msg(self):
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self.alternate_msgs(['light_push'])
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time.sleep(0.3)
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self.alternate_msgs(['light_release'])
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def send_open_msg(self):
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self.alternate_msgs(['open_push'])
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time.sleep(0.3)
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self.alternate_msgs(['open_release'])
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def open_door(self):
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self._logger().info("Opening")
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self.alternate_msgs(['light_push', 'open_push'], dt = 0.04)
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time.sleep(0.3)
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self.alternate_msgs(['light_release', 'open_release'], dt = 0.04);
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def get(self, block = False):
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with self.cv:
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if len(self.data) == 0:
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if block:
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self.cv.wait_for(lambda: len(self.data) > 0)
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else:
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return None
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rv = self.data[0]
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self.data = self.data[1:]
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return rv
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class Control(util.Loggable):
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def __init__(self, port, open_immediately_cb = None):
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self._port = port
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self._task = None
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self._cb = open_immediately_cb
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def start(self):
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if not self._task:
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self._task = threading.Thread(target = self.run, daemon=True)
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self._task.start()
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def run(self):
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port = None
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protocol = None
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while True:
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if port is None or protocol.closed:
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try:
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port = serial.Serial(self._port, 9600)
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protocol = serial.threaded.ReaderThread(port, lambda: Reader(self._cb))
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protocol.start()
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protocol = protocol.protocol
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except Exception as e:
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self._logger().exception("Port opening error")
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time.sleep(10)
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continue
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if protocol.doing_light:
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protocol.send_light_msg()
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time.sleep(1)
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