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#!/usr/bin/python
#
# Copyright (c) 2018 Raptor Engineering, LLC
# Released under the terms of the AGPL v3
import sys
import os
import glob
i2cdir = "/sys/class/i2c-dev/"
eeprom_address = 0x50
mod_ret = os.system("modprobe i2c_dev")
exit_code = os.WEXITSTATUS(mod_ret)
if exit_code != 0:
print "[ERROR] I2C driver load failed!"
sys.exit(1)
i2cbusses = glob.glob(i2cdir + "i2c-*")
busnumlist = []
for b in i2cbusses:
bus = b.replace(i2cdir + "i2c-", "")
busnumlist.append(int(bus))
busnumlist.sort()
mod_ret = os.system("modprobe at24")
exit_code = os.WEXITSTATUS(mod_ret)
if exit_code != 0:
print "[ERROR] at24 driver load failed!"
sys.exit(1)
print "The following I2C busses are available on this system:"
for b in busnumlist:
sys.stdout.write("\tBus " + str(b))
mvpd_found = False
try:
with open("/sys/class/i2c-dev/i2c-" + str(b) + "/device/" + str(b) + "-" + format(eeprom_address, '04x') + "/eeprom", 'rb') as f:
f.seek(0, os.SEEK_END)
if f.tell() == 65536:
mvpd_found = True
print " (MVPD candidate found on bus)"
except:
pass
if not mvpd_found:
print ""
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