#!/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):
        mcps.append(mcp)

wiringpi.wiringPiSetupGpio()
for base_multiplier in range(1,9):
    base = 64*base_multiplier
    for mcp in mcps:
        print("Setting base for MCP: ", mcp, " setting base: ",  base)
        wiringpi.mcp23017Setup(base, int(mcp,16))
        for pin in range(16):
          wiringpi.pinMode(base + pin, 1)
          wiringpi.digitalWrite(base + pin, 1)