#eeprom_data = ['\xFF'] * eeprom_size
eeprom_data = bytearray('\xFF') * eeprom_size
# Add command line options based on EEPROM settings
for k in sorted(eeprom.keys()):
parser.add_argument('--' + k.replace('_','-'),
type=eeprom[k].get('type'),
choices=eeprom[k].get('choices'),
help=eeprom[k].get('help'),
metavar=eeprom[k].get('metavar'))
# Process the command line arguments
args = parser.parse_args()
# Calculate key length from the pattern, not the size reserved for it
hmac_key_length = AWEeprom.parse_unpack_format(eeprom['hmac_key']['format'])[1]
generated_key = None
if args.hmac_key is None:
# Create a random key
generated_key = []
for i in range(hmac_key_length):
generated_key.append(random.randint(0, 255))
args.hmac_key = ','.join(map(hex, generated_key))
elif args.hmac_key == 'blank':
args.hmac_key = ','.join(['0xFF'] * hmac_key_length)
# Apply settings defined from command line arguments, else use the
# default setting if defined.
for k in eeprom:
for k in aw_cmds:
s = getattr(args, k)
if s is None:
continue
cmd = { }
# If the argparse type conversion was employed then convert
# back to a string
s = str(s)
m = re.match('^eeprom_(.*)', k)
if m:
cmd['name'] = 'write_eeprom'
eeprom_setting = m.group(1)
# Parse struct format string into order, quantity, type
pfmt = AWEeprom.parse_unpack_format(eeprom[eeprom_setting]['format'])
if pfmt[2] in ('c', 's', 'p'):
# String data
data = s
else:
# Convert into numeric data
data = AWEeprom.safe_eval(s)
# Pack data into suitable bytearrays matching the EEPROM layout
if pfmt[1] > 1:
# Multiple values required
eeprom_data = struct.pack(eeprom[eeprom_setting]['format'],
*data)
else:
# struct.pack_into(eeprom[eeprom_setting]['format'], eeprom_data,
eeprom_data = struct.pack(eeprom[eeprom_setting]['format'],
