import time
import serial

device =  serial.Serial(
    port="COM11",
    baudrate =115200,           
    parity=serial.PARITY_NONE,
    stopbits=serial.STOPBITS_ONE,
    bytesize=serial.EIGHTBITS,
    timeout=1)

def get_stop_bit() -> bytearray:
        stop_bit = bytearray()
        stop_bit.append(0xFF)
        stop_bit.append(0xFF)
        stop_bit.append(0XFF)
        return stop_bit
def send_stop_bit():
        device.write(get_stop_bit())
def reset_device():
        send_command("rest")
def send_command(command: str):
        command = bytes(command, 'ascii')
        device.write(command)
        send_stop_bit()
def send_command(command: str):
        command = bytes(command, 'ascii')
        device.write(command)
        send_stop_bit()

send_command("rest")
time.sleep(1)
send_command("page parent")