import threading
import socket
import sys
import time

host=''
port=9000
locaddr =(host,port)

sock=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)

tello_address = ('192.168.10.1',8889)

sock.bind(locaddr)

def recv():
	count=0
	while True:
		try:
			data,server=sock.recvfrom(1518)
			print(data.decode(encoding="utf-8"))
		except Exception:
			print('\n Exit....\n')
			break

print('\r\n\r\n Tello Demo.\r\n')

print('''Tello support command:
	command takeoff land flip forward back left right up down cw ccw speed xx Speed? Battery? Time?''')

print('end -- quit demo \r\n')

recvThread = threading.Thread(target=recv)
recvThread.start()

while True:
	try:
		msg=input("")

		if not msg:
			break

		if 'end' in msg:
			print('.....')
			sock.close()
			break

		msg = msg.encode(encoding="utf-8")
		sent = sock.sendto(msg,tello_address)
	except KeyboardInterrupt:
			print('\n ... \n')
			sock.close()
			break