#
# To send gcode file to Arduino Gcode interpreter:  python nc2serial.py < mygcode.nc
# Have "%" as the first line of .nc file
#
# This script reads the lines from stdin and writes them to port_id using Pyserial module
# After each line it waits for one of the predefined responses from the port (or until timeout)
#
# port_id examlpes: "COM1" on Windows, "/dev/ttyUSB0" on Linux
#

import serial,sys

port_id = "/dev/ttyUSB0"

ser = serial.Serial(port=port_id, baudrate=19200, timeout=20)

for line in sys.stdin.readlines():
    ser.write(line)
    print line.strip('\n')
    while True:
        response = ser.readline()
        print response.strip('\n')
        if response.strip() in ['ok','start']:
            break
    print ''

ser.close()