def verify(client, addr, length):
client.setMta(addr)
cs = client.buildChecksum(length)
print("CS: {:08X}".format(cs.checksum))
client.setMta(addr)
data = client.upload(length)
cc = checksum.check(data, cs.checksumType)
print("CS: {:08X}".format(cc))
def verify(self, addr, length):
"""Convenience function for verification of a data-transfer from slave
to master (Not part of the XCP Specification).
Parameters
----------
addr : int
length : int
Returns
-------
bool
"""
self.setMta(addr)
cs = self.buildChecksum(length)
self.logger.debug("BuildChecksum return'd: 0x{:08X} [{}]".format(
cs.checksum, cs.checksumType))
self.setMta(addr)
data = self.fetch(length)
cc = checksum.check(data, cs.checksumType)
self.logger.debug("Our checksum : 0x{:08X}".format(cc))
return cs.checksum == cc
def testAdd44():
assert checksum.check(TEST, "XCP_ADD_44") == 0x140C03F8
def testAdd24():
assert checksum.check(TEST, "XCP_ADD_24") == 0x00071800
def testAdd22():
assert checksum.check(TEST, "XCP_ADD_22") == 0x1800
def testAdd14():
assert checksum.check(TEST, "XCP_ADD_14") == 0x00000F10
def testAdd12(self):
self.assertEqual(checksum.check(TEST, "XCP_ADD_12"), 0x0F10)
def testCrc32():
assert checksum.check(TEST, "XCP_CRC_32") == 0x89CD97CE
def testCrc16Ccitt(self):
self.assertEqual(checksum.check(TEST, "XCP_CRC_16_CITT"), 0x9D50)
def testCrc16(self):
self.assertEqual(checksum.check(TEST, "XCP_CRC_16"), 0xC76A)
def testAdd44(self):
self.assertEqual(checksum.check(TEST, "XCP_ADD_44"), 0x140C03F8)
def testAdd24(self):
self.assertEqual(checksum.check(TEST, "XCP_ADD_24"), 0x00071800)
def testAdd22(self):
self.assertEqual(checksum.check(TEST, "XCP_ADD_22"), 0x1800)
def testAdd14(self):
self.assertEqual(checksum.check(TEST, "XCP_ADD_14"), 0x00000F10)
def testCrc16():
assert checksum.check(TEST, "XCP_CRC_16") == 0xC76A
def testCrc16Ccitt():
assert checksum.check(TEST, "XCP_CRC_16_CITT") == 0x9D50
def testCrc32(self):
self.assertEqual(checksum.check(TEST, "XCP_CRC_32"), 0x89CD97CE)
def testUserDefined():
with pytest.raises(NotImplementedError):
checksum.check(TEST, "XCP_USER_DEFINED")
def testAdd11():
assert checksum.check(TEST, "XCP_ADD_11") == 0x10
def testAdd12():
assert checksum.check(TEST, "XCP_ADD_12") == 0x0F10
def testAdd11(self):
self.assertEqual(checksum.check(TEST, "XCP_ADD_11"), 0x10)
