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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 binascii
eeprom_bus = int(sys.argv[1])
if sys.argv[2].startswith("0x") or sys.argv[2].startswith("0X"):
eeprom_address = int(sys.argv[2][2:], 16)
else:
eeprom_address = int(sys.argv[2])
filename = sys.argv[3]
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)
try:
with open("/sys/class/i2c-dev/i2c-" + str(eeprom_bus) + "/device/" + str(eeprom_bus) + "-" + format(eeprom_address, '04x') + "/eeprom", 'rb') as f:
origdata = f.read()
except:
print "[ERROR] VPD not found on specified I2C bus!"
sys.exit(1)
original_data = binascii.hexlify(origdata)
vpd_length = len(original_data)
if vpd_length != 131072:
print "[ERROR] Invalid VPD length. Aborting!"
sys.exit(1)
with open(filename, 'wb') as f:
f.write(origdata)
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