Wifi Led Fix
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Chizuui
265
MicroController/Project1/BlynkLib.py
Normal file
265
MicroController/Project1/BlynkLib.py
Normal file
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# Copyright (c) 2015-2019 Volodymyr Shymanskyy. See the file LICENSE for copying permission.
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__version__ = "1.0.0"
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import struct
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import time
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import sys
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import os
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try:
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import machine
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gettime = lambda: time.ticks_ms()
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SOCK_TIMEOUT = 0
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except ImportError:
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const = lambda x: x
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gettime = lambda: int(time.time() * 1000)
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SOCK_TIMEOUT = 0.05
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def dummy(*args):
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pass
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MSG_RSP = const(0)
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MSG_LOGIN = const(2)
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MSG_PING = const(6)
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MSG_TWEET = const(12)
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MSG_NOTIFY = const(14)
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MSG_BRIDGE = const(15)
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MSG_HW_SYNC = const(16)
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MSG_INTERNAL = const(17)
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MSG_PROPERTY = const(19)
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MSG_HW = const(20)
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MSG_HW_LOGIN = const(29)
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MSG_EVENT_LOG = const(64)
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MSG_REDIRECT = const(41) # TODO: not implemented
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MSG_DBG_PRINT = const(55) # TODO: not implemented
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STA_SUCCESS = const(200)
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STA_INVALID_TOKEN = const(9)
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DISCONNECTED = const(0)
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CONNECTING = const(1)
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CONNECTED = const(2)
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print("""
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___ __ __
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/ _ )/ /_ _____ / /__
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/ _ / / // / _ \\/ '_/
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/____/_/\\_, /_//_/_/\\_\\
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/___/ for Python v""" + __version__ + " (" + sys.platform + ")\n")
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class EventEmitter:
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def __init__(self):
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self._cbks = {}
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def on(self, evt, f=None):
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if f:
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self._cbks[evt] = f
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else:
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def D(f):
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self._cbks[evt] = f
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return f
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return D
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def emit(self, evt, *a, **kv):
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if evt in self._cbks:
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self._cbks[evt](*a, **kv)
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class BlynkProtocol(EventEmitter):
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def __init__(self, auth, tmpl_id=None, fw_ver=None, heartbeat=50, buffin=1024, log=None):
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EventEmitter.__init__(self)
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self.heartbeat = heartbeat*1000
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self.buffin = buffin
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self.log = log or dummy
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self.auth = auth
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self.tmpl_id = tmpl_id
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self.fw_ver = fw_ver
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self.state = DISCONNECTED
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self.connect()
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def virtual_write(self, pin, *val):
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self._send(MSG_HW, 'vw', pin, *val)
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def send_internal(self, pin, *val):
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self._send(MSG_INTERNAL, pin, *val)
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def set_property(self, pin, prop, *val):
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self._send(MSG_PROPERTY, pin, prop, *val)
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def sync_virtual(self, *pins):
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self._send(MSG_HW_SYNC, 'vr', *pins)
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def log_event(self, *val):
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self._send(MSG_EVENT_LOG, *val)
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def _send(self, cmd, *args, **kwargs):
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if 'id' in kwargs:
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id = kwargs.get('id')
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else:
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id = self.msg_id
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self.msg_id += 1
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if self.msg_id > 0xFFFF:
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self.msg_id = 1
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if cmd == MSG_RSP:
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data = b''
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dlen = args[0]
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else:
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data = ('\0'.join(map(str, args))).encode('utf8')
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dlen = len(data)
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self.log('<', cmd, id, '|', *args)
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msg = struct.pack("!BHH", cmd, id, dlen) + data
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self.lastSend = gettime()
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self._write(msg)
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def connect(self):
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if self.state != DISCONNECTED: return
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self.msg_id = 1
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(self.lastRecv, self.lastSend, self.lastPing) = (gettime(), 0, 0)
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self.bin = b""
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self.state = CONNECTING
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self._send(MSG_HW_LOGIN, self.auth)
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def disconnect(self):
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if self.state == DISCONNECTED: return
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self.bin = b""
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self.state = DISCONNECTED
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self.emit('disconnected')
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def process(self, data=None):
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if not (self.state == CONNECTING or self.state == CONNECTED): return
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now = gettime()
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if now - self.lastRecv > self.heartbeat+(self.heartbeat//2):
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return self.disconnect()
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if (now - self.lastPing > self.heartbeat//10 and
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(now - self.lastSend > self.heartbeat or
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now - self.lastRecv > self.heartbeat)):
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self._send(MSG_PING)
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self.lastPing = now
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if data != None and len(data):
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self.bin += data
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while True:
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if len(self.bin) < 5:
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break
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cmd, i, dlen = struct.unpack("!BHH", self.bin[:5])
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if i == 0: return self.disconnect()
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self.lastRecv = now
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if cmd == MSG_RSP:
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self.bin = self.bin[5:]
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self.log('>', cmd, i, '|', dlen)
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if self.state == CONNECTING and i == 1:
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if dlen == STA_SUCCESS:
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self.state = CONNECTED
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dt = now - self.lastSend
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info = ['ver', __version__, 'h-beat', self.heartbeat//1000, 'buff-in', self.buffin, 'dev', sys.platform+'-py']
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if self.tmpl_id:
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info.extend(['tmpl', self.tmpl_id])
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info.extend(['fw-type', self.tmpl_id])
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if self.fw_ver:
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info.extend(['fw', self.fw_ver])
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self._send(MSG_INTERNAL, *info)
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try:
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self.emit('connected', ping=dt)
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except TypeError:
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self.emit('connected')
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else:
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if dlen == STA_INVALID_TOKEN:
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self.emit("invalid_auth")
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print("Invalid auth token")
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return self.disconnect()
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else:
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if dlen >= self.buffin:
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print("Cmd too big: ", dlen)
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return self.disconnect()
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if len(self.bin) < 5+dlen:
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break
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data = self.bin[5:5+dlen]
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self.bin = self.bin[5+dlen:]
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args = list(map(lambda x: x.decode('utf8'), data.split(b'\0')))
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self.log('>', cmd, i, '|', ','.join(args))
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if cmd == MSG_PING:
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self._send(MSG_RSP, STA_SUCCESS, id=i)
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elif cmd == MSG_HW or cmd == MSG_BRIDGE:
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if args[0] == 'vw':
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self.emit("V"+args[1], args[2:])
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self.emit("V*", args[1], args[2:])
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elif cmd == MSG_INTERNAL:
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self.emit("internal:"+args[0], args[1:])
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elif cmd == MSG_REDIRECT:
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self.emit("redirect", args[0], int(args[1]))
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else:
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print("Unexpected command: ", cmd)
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return self.disconnect()
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import socket
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class Blynk(BlynkProtocol):
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def __init__(self, auth, **kwargs):
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self.insecure = kwargs.pop('insecure', False)
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self.server = kwargs.pop('server', 'blynk.cloud')
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self.port = kwargs.pop('port', 80 if self.insecure else 443)
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BlynkProtocol.__init__(self, auth, **kwargs)
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self.on('redirect', self.redirect)
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def redirect(self, server, port):
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self.server = server
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self.port = port
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self.disconnect()
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self.connect()
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def connect(self):
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print('Connecting to %s:%d...' % (self.server, self.port))
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s = socket.socket()
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s.connect(socket.getaddrinfo(self.server, self.port)[0][-1])
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try:
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s.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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except:
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pass
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if self.insecure:
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self.conn = s
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else:
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try:
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import ussl
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ssl_context = ussl
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except ImportError:
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import ssl
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ssl_context = ssl.create_default_context()
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self.conn = ssl_context.wrap_socket(s, server_hostname=self.server)
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try:
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self.conn.settimeout(SOCK_TIMEOUT)
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except:
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s.settimeout(SOCK_TIMEOUT)
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BlynkProtocol.connect(self)
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def _write(self, data):
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#print('<', data)
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self.conn.write(data)
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# TODO: handle disconnect
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def run(self):
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data = b''
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try:
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data = self.conn.read(self.buffin)
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#print('>', data)
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except KeyboardInterrupt:
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raise
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except socket.timeout:
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# No data received, call process to send ping messages when needed
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pass
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except: # TODO: handle disconnect
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return
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self.process(data)
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