def __init__(self, ttyport, baudrate=<NUM_LIT>, force_wait = <NUM_LIT:0.1>):
self.m_ttyport = ttyport<EOL>self.m_baudrate = baudrate<EOL>self.m_ser = None<EOL>self.m_fd = None<EOL>self.m_max_waits = <NUM_LIT:100><EOL>self.m_wait_sleep = <NUM_LIT><EOL>self.m_force_wait = force_wait<EOL>self.m_init_wait = <NUM_LIT><EOL>pass<EOL>
Args:
    ttyport (str): port name, ex 'COM3' '/dev/ttyUSB0'
    baudrate (int): optional, 9600 default and recommended
    force_wait(float) : optional post commnd sleep, if required