readGPIO.py

import sys
import serial
import time
if (len(sys.argv) < 1):
  print "Usage: readGPIO.py <PORT>"
  sys.exit(0)
else:
  portName = sys.argv[1];
  serPort = serial.Serial(portName, 19200, timeout=1)

while True:
  serPort.write("gpio readall\r")
  response = serPort.read(25)
  hex_string = response.replace("\n","").replace("\r","").replace("gpio readall","").replace(">","")
  bin_string = str(bin(int(hex_string, 16))[2:].zfill(32))
  bin_string = bin_string[::-1]
  print bin_string[:18]
  time.sleep(.1)
serPort.close()