Hacking_and_Penetration_Testing_with_Low_Power_Devices

138 CHAPTER 6 Input and output devices
#!/usr/bin/env python
# Simple python script to create the EEPROM file
# for the Xbee cape as described in the book
# Hacking and Penetration Testing With Low Power Devices
# by Dr. Phil Polstra
from datetime import *
# eeprom starts with header aa5533ee
eeprom ¼ b’\xaa\x55\x33\xee’
# revision number
eeprom +¼ b’A1’
# name
eeprom +¼ b’Xbee Cape ala Doc Philip Polstra’
# version
eeprom +¼ b’00A1’
# manufacturer 16 chars
eeprom +¼ b’Philip A Polstra’
# part number
eeprom +¼ b’XbeeFullCape0001’
# number of pins
eeprom +¼ b’\x00\x04’
# serial number in WWYY&&&&nnnn format
# use datetime to create
today ¼ datetime.date(datetime.now())
sn ¼ today.strftime("%U") + today.strftime("%y")
sn +¼ b’XBEE0001’
eeprom +¼ sn
# pin usage P9-22 and P9-21 are first 2 entries
pins ¼ b’\xa0\x21\xc0\x01’
pins +¼ b’\x00’ * 78
# now add pins P8-7 and P8-9
pins +¼ b’\xc0\x0f\xc0\x0f’
pins +¼ b’\x00’ * 62
eeprom +¼ pins
# max 3.3 v current
eeprom +¼ b’\x00\x64’
# max 5 v current
eeprom +¼ b’\x00\x00’
# max system current
eeprom +¼ b’\x00\x00’
# dc supplied
eeprom +¼ b’\x00\x00’
# write the file
ef ¼ open("xbee-eeprom.bin", "wb")
ef.write(eeprom)
ef.close()