import serial
import sys
import time
PORT='/dev/cu.usbserial-A702U1AT'

ser = serial.Serial(PORT,115200)
ser.setDTR()

ser.write(b"R0\n")
time.sleep(2)

f = open(sys.argv[1],'r')
buf = f.read()
f.close()

while True:
    for line in buf.split('\n'):
        ser.write(line)
        ser.write('\n')
        time.sleep(2)