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added telegram CRC verification

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This commit is contained in:
Nigel Dokter
2016-12-28 20:29:34 +01:00
parent 81fd581e57
commit 1c69b4e9ee
9 changed files with 198 additions and 81 deletions
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118
test/test_parse_v4_2.py
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@@ -6,51 +6,77 @@ import pytz
from dsmr_parser import obis_references as obis
from dsmr_parser import telegram_specifications
from dsmr_parser.exceptions import InvalidChecksumError, ParseError
from dsmr_parser.objects import CosemObject, MBusObject
from dsmr_parser.parsers import TelegramParser
from dsmr_parser.parsers import TelegramParser, TelegramParserV4
TELEGRAM_V4_2 = [
'1-3:0.2.8(42)',
'0-0:1.0.0(161113205757W)',
'0-0:96.1.1(1231231231231231231231231231231231)',
'1-0:1.8.1(001511.267*kWh)',
'1-0:1.8.2(001265.173*kWh)',
'1-0:2.8.1(000000.000*kWh)',
'1-0:2.8.2(000000.000*kWh)',
'0-0:96.14.0(0001)',
'1-0:1.7.0(00.235*kW)',
'1-0:2.7.0(00.000*kW)',
'0-0:96.7.21(00015)',
'0-0:96.7.9(00007)',
('1-0:99.97.0(3)(0-0:96.7.19)(000103180420W)(0000237126*s)'
'(000101000001W)(2147483647*s)(000101000001W)(2147483647*s)'),
'1-0:32.32.0(00000)',
'1-0:52.32.0(00000)',
'1-0:72.32.0(00000)',
'1-0:32.36.0(00000)',
'1-0:52.36.0(00000)',
'1-0:72.36.0(00000)',
'0-0:96.13.1()',
'0-0:96.13.0()',
'1-0:31.7.0(000*A)',
'1-0:51.7.0(000*A)',
'1-0:71.7.0(000*A)',
'1-0:21.7.0(00.095*kW)',
'1-0:22.7.0(00.000*kW)',
'1-0:41.7.0(00.025*kW)',
'1-0:42.7.0(00.000*kW)',
'1-0:61.7.0(00.115*kW)',
'1-0:62.7.0(00.000*kW)',
'0-1:24.1.0(003)',
'0-1:96.1.0(3404856892390357246729543587524029)',
'0-1:24.2.1(161113200000W)(00915.219*m3)',
'!5D83',
'/KFM5KAIFA-METER\r\n',
'\r\n',
'1-3:0.2.8(42)\r\n',
'0-0:1.0.0(161113205757W)\r\n',
'0-0:96.1.1(3960221976967177082151037881335713)\r\n',
'1-0:1.8.1(001581.123*kWh)\r\n',
'1-0:1.8.2(001435.706*kWh)\r\n',
'1-0:2.8.1(000000.000*kWh)\r\n',
'1-0:2.8.2(000000.000*kWh)\r\n',
'0-0:96.14.0(0002)\r\n',
'1-0:1.7.0(02.027*kW)\r\n',
'1-0:2.7.0(00.000*kW)\r\n',
'0-0:96.7.21(00015)\r\n',
'0-0:96.7.9(00007)\r\n',
'1-0:99.97.0(3)(0-0:96.7.19)(000104180320W)(0000237126*s)(000101000001W)'
'(2147583646*s)(000102000003W)(2317482647*s)\r\n',
'1-0:32.32.0(00000)\r\n',
'1-0:52.32.0(00000)\r\n',
'1-0:72.32.0(00000)\r\n',
'1-0:32.36.0(00000)\r\n',
'1-0:52.36.0(00000)\r\n',
'1-0:72.36.0(00000)\r\n',
'0-0:96.13.1()\r\n',
'0-0:96.13.0()\r\n',
'1-0:31.7.0(000*A)\r\n',
'1-0:51.7.0(006*A)\r\n',
'1-0:71.7.0(002*A)\r\n',
'1-0:21.7.0(00.170*kW)\r\n',
'1-0:22.7.0(00.000*kW)\r\n',
'1-0:41.7.0(01.247*kW)\r\n',
'1-0:42.7.0(00.000*kW)\r\n',
'1-0:61.7.0(00.209*kW)\r\n',
'1-0:62.7.0(00.000*kW)\r\n',
'0-1:24.1.0(003)\r\n',
'0-1:96.1.0(4819243993373755377509728609491464)\r\n',
'0-1:24.2.1(161129200000W)(00981.443*m3)\r\n',
'!6796\r\n'
]
class TelegramParserV4_2Test(unittest.TestCase):
""" Test parsing of a DSMR v4.2 telegram. """
def test_valid(self):
# No exception is raised.
TelegramParserV4.validate_telegram_checksum(
TELEGRAM_V4_2
)
def test_invalid(self):
# Remove one the electricty used data value. This causes the checksum to
# not match anymore.
telegram = [line
for line in TELEGRAM_V4_2
if '1-0:1.8.1' not in line]
with self.assertRaises(InvalidChecksumError):
TelegramParserV4.validate_telegram_checksum(telegram)
def test_missing_checksum(self):
# Remove the checksum value causing a ParseError.
telegram = TELEGRAM_V4_2[:-1]
with self.assertRaises(ParseError):
TelegramParserV4.validate_telegram_checksum(telegram)
def test_parse(self):
parser = TelegramParser(telegram_specifications.V4)
result = parser.parse(TELEGRAM_V4_2)
@@ -72,13 +98,13 @@ class TelegramParserV4_2Test(unittest.TestCase):
assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_1], CosemObject)
assert result[obis.ELECTRICITY_USED_TARIFF_1].unit == 'kWh'
assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_1].value, Decimal)
assert result[obis.ELECTRICITY_USED_TARIFF_1].value == Decimal('1511.267')
assert result[obis.ELECTRICITY_USED_TARIFF_1].value == Decimal('1581.123')
# ELECTRICITY_USED_TARIFF_2 (1-0:1.8.2)
assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_2], CosemObject)
assert result[obis.ELECTRICITY_USED_TARIFF_2].unit == 'kWh'
assert isinstance(result[obis.ELECTRICITY_USED_TARIFF_2].value, Decimal)
assert result[obis.ELECTRICITY_USED_TARIFF_2].value == Decimal('1265.173')
assert result[obis.ELECTRICITY_USED_TARIFF_2].value == Decimal('1435.706')
# ELECTRICITY_DELIVERED_TARIFF_1 (1-0:2.8.1)
assert isinstance(result[obis.ELECTRICITY_DELIVERED_TARIFF_1], CosemObject)
@@ -96,19 +122,19 @@ class TelegramParserV4_2Test(unittest.TestCase):
assert isinstance(result[obis.ELECTRICITY_ACTIVE_TARIFF], CosemObject)
assert result[obis.ELECTRICITY_ACTIVE_TARIFF].unit is None
assert isinstance(result[obis.ELECTRICITY_ACTIVE_TARIFF].value, str)
assert result[obis.ELECTRICITY_ACTIVE_TARIFF].value == '0001'
assert result[obis.ELECTRICITY_ACTIVE_TARIFF].value == '0002'
# EQUIPMENT_IDENTIFIER (0-0:96.1.1)
assert isinstance(result[obis.EQUIPMENT_IDENTIFIER], CosemObject)
assert result[obis.EQUIPMENT_IDENTIFIER].unit is None
assert isinstance(result[obis.EQUIPMENT_IDENTIFIER].value, str)
assert result[obis.EQUIPMENT_IDENTIFIER].value == '1231231231231231231231231231231231'
assert result[obis.EQUIPMENT_IDENTIFIER].value == '3960221976967177082151037881335713'
# CURRENT_ELECTRICITY_USAGE (1-0:1.7.0)
assert isinstance(result[obis.CURRENT_ELECTRICITY_USAGE], CosemObject)
assert result[obis.CURRENT_ELECTRICITY_USAGE].unit == 'kW'
assert isinstance(result[obis.CURRENT_ELECTRICITY_USAGE].value, Decimal)
assert result[obis.CURRENT_ELECTRICITY_USAGE].value == Decimal('0.235')
assert result[obis.CURRENT_ELECTRICITY_USAGE].value == Decimal('2.027')
# CURRENT_ELECTRICITY_DELIVERY (1-0:2.7.0)
assert isinstance(result[obis.CURRENT_ELECTRICITY_DELIVERY], CosemObject)
@@ -178,19 +204,19 @@ class TelegramParserV4_2Test(unittest.TestCase):
assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE], CosemObject)
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE].unit == 'kW'
assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE].value, Decimal)
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE].value == Decimal('0.095')
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE].value == Decimal('0.170')
# INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE (1-0:41.7.0)
assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE], CosemObject)
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE].unit == 'kW'
assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE].value, Decimal)
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE].value == Decimal('0.025')
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE].value == Decimal('1.247')
# INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE (1-0:61.7.0)
assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE], CosemObject)
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE].unit == 'kW'
assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE].value, Decimal)
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE].value == Decimal('0.115')
assert result[obis.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE].value == Decimal('0.209')
# INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE (1-0:22.7.0)
assert isinstance(result[obis.INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE], CosemObject)
@@ -214,13 +240,13 @@ class TelegramParserV4_2Test(unittest.TestCase):
assert isinstance(result[obis.EQUIPMENT_IDENTIFIER_GAS], CosemObject)
assert result[obis.EQUIPMENT_IDENTIFIER_GAS].unit is None
assert isinstance(result[obis.EQUIPMENT_IDENTIFIER_GAS].value, str)
assert result[obis.EQUIPMENT_IDENTIFIER_GAS].value == '3404856892390357246729543587524029'
assert result[obis.EQUIPMENT_IDENTIFIER_GAS].value == '4819243993373755377509728609491464'
# HOURLY_GAS_METER_READING (0-1:24.2.1)
assert isinstance(result[obis.HOURLY_GAS_METER_READING], MBusObject)
assert result[obis.HOURLY_GAS_METER_READING].unit == 'm3'
assert isinstance(result[obis.HOURLY_GAS_METER_READING].value, Decimal)
assert result[obis.HOURLY_GAS_METER_READING].value == Decimal('915.219')
assert result[obis.HOURLY_GAS_METER_READING].value == Decimal('981.443')
# POWER_EVENT_FAILURE_LOG (99.97.0)
# TODO to be implemented