def __init__(self, name_serial, nop): ''' Init drivera NucleoExpander :param nameSerial: name of serial port exp. 'COM10' or '/tty/ttyUSB' :param nop: number of packet in one send ''' self.packetSerial = PacketSender(name_serial, nop) self.horizontal_servo_angle = 90 self.vertical_servo_angle = 90