#!/usr/bin/env python
import time
import serial
import sys


ser = serial.Serial(
        port='/dev/serial0', #Replace ttyS0 with ttyAM0 for Pi1,Pi2,Pi0
        baudrate = 9600,
        parity=serial.PARITY_NONE,
        stopbits=serial.STOPBITS_ONE,
        bytesize=serial.EIGHTBITS,
        timeout=2
)

ser.flush()

cw = int(sys.argv[1], 0)
com = [cw]
ser.write(serial.to_bytes(com))
ser.flush()
while True:
		if ser.in_waiting > 0:
			line = ser.readline().decode('utf-8', errors='replace').rstrip()
			#time.sleep(0.1)
			print(line)
			ser.flush()
			break
	
quit()