arm motors (arducopter only)

def arducopter_arm(self):
        '''arm motors (arducopter only)'''
        if self.mavlink10():
            self.mav.command_long_send(
                self.target_system,  # target_system
                self.target_component,
                mavlink.MAV_CMD_COMPONENT_ARM_DISARM, # command
                0, # confirmation
                1, # param1 (1 to indicate arm)
                0, # param2 (all other params meaningless)
                0, # param3
                0, # param4
                0, # param5
                0, # param6
                0)