support for dooya curtain motor (#134)

broadlink/__init__.py

@@ -58,6 +58,8 @@ def gendevice(devtype, host, mac):
     return mp1(host=host, mac=mac)
   elif devtype == 0x2722: # S1 (SmartOne Alarm Kit)
     return S1C(host=host, mac=mac)
+  elif devtype == 0x4E4D: # Dooya DT360E (DOOYA_CURTAIN_V2)
+    return dooya(host=host, mac=mac)
   else:
     return device(host=host, mac=mac)
 
@@ -581,6 +583,52 @@ class S1C(device):
         return result
 
 
+class dooya(device):
+  def __init__ (self, host, mac):
+    device.__init__(self, host, mac)
+    self.type = "Dooya DT360E"
+
+  def _send(self, magic1, magic2):
+    packet = bytearray(16)
+    packet[0] = 0x09
+    packet[2] = 0xbb
+    packet[3] = magic1
+    packet[4] = magic2
+    packet[9] = 0xfa
+    packet[10] = 0x44
+    response = self.send_packet(0x6a, packet)
+    err = response[0x22] | (response[0x23] << 8)
+    if err == 0:
+      payload = self.decrypt(bytes(response[0x38:]))
+      return ord(payload[4])
+
+  def open(self):
+    return self._send(0x01, 0x00)
+
+  def close(self):
+    return self._send(0x02, 0x00)
+
+  def stop(self):
+    return self._send(0x03, 0x00)
+
+  def get_percentage(self):
+    return self._send(0x06, 0x5d)
+
+  def set_percentage_and_wait(self, new_percentage):
+    current = self.get_percentage()
+    if current > new_percentage:
+      self.close()
+      while current is not None and current > new_percentage:
+        time.sleep(0.2)
+        current = self.get_percentage()
+
+    elif current < new_percentage:
+      self.open()
+      while current is not None and current < new_percentage:
+        time.sleep(0.2)
+        current = self.get_percentage()
+    self.stop()
+
 # Setup a new Broadlink device via AP Mode. Review the README to see how to enter AP Mode.
 # Only tested with Broadlink RM3 Mini (Blackbean)
 def setup(ssid, password, security_mode):