def test_read_device_id_returns_bytearray_with_raw_id(self):
# Expected SIB+ID must match mega4809
atmega4809_sib = array('B', map(ord,
"megaAVR P:0D:1-3M2 (01.59B20.0)"))
id_expected = bytearray([0x1E, 0x96, 0x51])
id_expected.reverse()
mock_tinyxavrtarget_instance = self._mock_tinyxavrtarget()
# ID is BE24 from the target
mock_tinyxavrtarget_instance.memory_read.return_value = bytearray(
[id_expected[2], id_expected[1], id_expected[0]])
mock_tinyxavrtarget_instance.sib_read.return_value = atmega4809_sib
dinfo = deviceinfo.getdeviceinfo('atmega4809')
updi = NvmAccessProviderCmsisDapUpdi(None, dinfo)
id_read = updi.read_device_id()
# Check normal path
self.assertEqual(id_expected, id_read)
# Check that an exception is raised on unexpected ID
mock_tinyxavrtarget_instance.memory_read.return_value = bytearray(
[0, 0, 0])
with self.assertRaises(PymcuprogSessionError):
id_read = updi.read_device_id()
def test_read_device_id_returns_bytearray_with_raw_id(self):
atmega4809_sib = array('B', map(ord,
"megaAVR P:0D:1-3M2 (01.59B20.0)"))
id_expected = bytearray([0x01, 0x02, 0x03])
mock_tinyxavrtarget_instance = self._mock_tinyxavrtarget()
mock_tinyxavrtarget_instance.memory_read.return_value = bytearray(
[id_expected[2], id_expected[1], id_expected[0]])
mock_tinyxavrtarget_instance.sib_read.return_value = atmega4809_sib
dinfo = deviceinfo.getdeviceinfo('atmega4809')
updi = NvmAccessProviderCmsisDapUpdi(None, dinfo)
id_read = updi.read_device_id()
self.assertEqual(id_expected, id_read)