nv_file = a
else:
assert False, "Unhandled option."
try:
filesize = os.stat(nv_file).st_size
except os.OSError, err:
msgerr(str(err))
sys.exit(1)
if ((filesize % NVITEM_SIZE) != 0):
msgerr(
"NV Items file isn't multiple of {0} bytes.".format(NVITEM_SIZE))
sys.exit(1)
ser = QCSerial(port, 115200, 1)
if (ser.connect() != 0):
msgerr("Connection to device failed.")
sys.exit(-1)
fd = open(nv_file, 'rb')
for i in range(0, filesize / NVITEM_SIZE):
nv_item = fd.read(NVITEM_SIZE)
item_cmd, item_num, item_data = struct.unpack("<cH128s", nv_item)
if (write_all or (item_num == item)):
