#!/usr/bin/python3

import os
import subprocess
import re
import wiringpi

p = subprocess.Popen(['gpio', 'i2cdetect'],stdout=subprocess.PIPE,)
#cmdout = str(p.communicate())

mcps = list()
p.stdout.readline()
for i in range(1,9):
  line = str(p.stdout.readline()).split(' ')[1:]
  for mcp in line:
    if re.search('\d\d', mcp):
        base = 64*i
        mcps.append((mcp,base))

wiringpi.wiringPiSetupGpio()
for mcp in mcps:
  print("Setting base for MCP: ", mcp, " setting base: ",  base)
  wiringpi.mcp23017Setup(base, int(mcp[0], 16))
  for pin in range(16):
    wiringpi.pinMode(mcp[1], 1)
    wiringpi.digitalWrite(mcp[1], 1)