def stop():
nativePk = cflinkcpp.Packet()
nativePk.port = 8 # Port 8 = HL Commander
nativePk.payload = struct.pack('<BB',
3, # Command (3 = stop)
0) # Group Mask (0 = all groups)
return nativePk
def takeoff(height, yaw, time):
nativePk = cflinkcpp.Packet()
nativePk.port = 8 # Port 8 = HL Commander
nativePk.payload = struct.pack('<BBff?f',
7, # Command (7 = takeoff)
0, # Group Mask (0 = all groups)
height,
yaw,
False, # Use current yaw
time) # Duration (seconds)
return nativePk
def send_packet(self, pk):
"""Send a CRTP packet"""
nativePk = cflinkcpp.Packet()
nativePk.port = pk.port
nativePk.channel = pk.channel
nativePk.payload = bytes(pk.data)
try:
self._connection.send(nativePk)
except Exception as e:
if self._link_error_callback is not None:
import traceback
self._link_error_callback(
'Error communicating! Perhaps your device has been unplugged?\n'
'Exception:{}\n\n{}'.format(e, traceback.format_exc()))