def csum_words(msg, l):
odd = False
if l % 2:
l -= 1
odd = True
# l is in bytes. We need 16-bit words
a = addressof(msg)
x = 0
for i in range(0, l, 2):
c = be16.from_address(a + i)
x += c.c
if odd:
last = c_uint16(c_uint8.from_address(a + l).value << 8)
x += last.value
return x
def t_uint8(address):
return c_uint8.from_address(address + sizeof(nlattr)).value
def t_state(address):
return M_IF_OPER_REVERSE[c_uint8.from_address(address + sizeof(nlattr)).value][8:]
def readByte(self, address, isLocalAddress=False):
if not isLocalAddress:
address = self.remoteAddressToLocalAddress(address)
return c_uint8.from_address(address).value
