def test_subindexes(self):
array = od.Array("Test Array", 0x1000)
last_subindex = od.Variable("Last subindex", 0x1000, 0)
last_subindex.data_type = od.UNSIGNED8
array.add_member(last_subindex)
array.add_member(od.Variable("Test Variable", 0x1000, 1))
array.add_member(od.Variable("Test Variable 2", 0x1000, 2))
self.assertEqual(array[0].name, "Last subindex")
self.assertEqual(array[1].name, "Test Variable")
self.assertEqual(array[2].name, "Test Variable 2")
self.assertEqual(array[3].name, "Test Variable_3")
def test_boolean(self):
var = od.Variable("Test BOOLEAN", 0x1000)
var.data_type = od.BOOLEAN
self.assertEqual(var.decode_raw(b"\x01"), True)
self.assertEqual(var.decode_raw(b"\x00"), False)
self.assertEqual(var.encode_raw(True), b"\x01")
self.assertEqual(var.encode_raw(False), b"\x00")
def test_phys(self):
var = od.Variable("Test INTEGER16", 0x1000)
var.data_type = od.INTEGER16
var.factor = 0.1
self.assertAlmostEqual(var.decode_phys(128), 12.8)
self.assertEqual(var.encode_phys(-0.1), -1)
def build_variable(eds, section, node_id, index, subindex=0):
"""Creates a object dictionary entry.
:param eds: String stream of the eds file
:param section:
:param node_id: Node ID
:param index: Index of the CANOpen object
:param subindex: Subindex of the CANOpen object (if presente, else 0)
"""
name = eds.get(section, "ParameterName")
var = objectdictionary.Variable(name, index, subindex)
try:
var.storage_location = eds.get(section, "StorageLocation")
except NoOptionError:
var.storage_location = None
var.data_type = int(eds.get(section, "DataType"), 0)
var.access_type = eds.get(section, "AccessType").lower()
if var.data_type > 0x1B:
# The object dictionary editor from CANFestival creates an optional object if min max values are used
# This optional object is then placed in the eds under the section [A0] (start point, iterates for more)
# The eds.get function gives us 0x00A0 now convert to String without hex representation and upper case
# The sub2 part is then the section where the type parameter stands
try:
var.data_type = int(
eds.get("%Xsub1" % var.data_type, "DefaultValue"), 0)
except NoSectionError:
logger.warning("%s has an unknown or unsupported data type (%X)",
name, var.data_type)
# Assume DOMAIN to force application to interpret the byte data
var.data_type = objectdictionary.DOMAIN
var.pdo_mappable = bool(
int(eds.get(section, "PDOMapping", fallback="0"), 0))
if eds.has_option(section, "LowLimit"):
try:
var.min = int(eds.get(section, "LowLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "HighLimit"):
try:
var.max = int(eds.get(section, "HighLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "DefaultValue"):
try:
var.default_raw = eds.get(section, "DefaultValue")
if '$NODEID' in var.default_raw:
var.relative = True
var.default = _convert_variable(node_id, var.data_type,
eds.get(section, "DefaultValue"))
except ValueError:
pass
if eds.has_option(section, "ParameterValue"):
try:
var.value_raw = eds.get(section, "ParameterValue")
var.value = _convert_variable(node_id, var.data_type,
eds.get(section, "ParameterValue"))
except ValueError:
pass
return var
def test_add_array(self):
test_od = od.ObjectDictionary()
array = od.Array("Test Array", 0x1002)
array.add_member(od.Variable("Last subindex", 0x1002, 0))
test_od.add_object(array)
self.assertEqual(test_od["Test Array"], array)
self.assertEqual(test_od[0x1002], array)
def build_variable(eds, section, index, subindex=0):
name = eds.get(section, "ParameterName")
var = objectdictionary.Variable(name, index, subindex)
var.data_type = int(eds.get(section, "DataType"), 0)
var.access_type = eds.get(section, "AccessType").lower()
if var.data_type > 0x1B:
# The object dictionary editor from CANFestival creates an optional object if min max values are used
# This optional object is then placed in the eds under the section [A0] (start point, iterates for more)
# The eds.get function gives us 0x00A0 now convert to String without hex representation and upper case
# The sub2 part is then the section where the type parameter stands
var.data_type = int(eds.get("%Xsub1" % var.data_type, "DefaultValue"),
0)
if eds.has_option(section, "LowLimit"):
try:
var.min = int(eds.get(section, "LowLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "HighLimit"):
try:
var.max = int(eds.get(section, "HighLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "DefaultValue"):
try:
var.default = int(eds.get(section, "DefaultValue"), 0)
except ValueError:
pass
return var
def test_integer16(self):
var = od.Variable("Test INTEGER16", 0x1000)
var.data_type = od.INTEGER16
self.assertEqual(var.decode_raw(b"\xfe\xff"), -2)
self.assertEqual(var.decode_raw(b"\x01\x00"), 1)
self.assertEqual(var.encode_raw(-2), b"\xfe\xff")
self.assertEqual(var.encode_raw(1), b"\x01\x00")
def test_integer8(self):
var = od.Variable("Test INTEGER8", 0x1000)
var.data_type = od.INTEGER8
self.assertEqual(var.decode_raw(b"\xff"), -1)
self.assertEqual(var.decode_raw(b"\x7f"), 127)
self.assertEqual(var.encode_raw(-2), b"\xfe")
self.assertEqual(var.encode_raw(127), b"\x7f")
def import_eds(source, node_id):
eds = ConfigParser()
if hasattr(source, "read"):
fp = source
else:
fp = open(source)
try:
# Python 3
eds.read_file(fp)
except AttributeError:
# Python 2
eds.readfp(fp)
fp.close()
od = objectdictionary.ObjectDictionary()
if eds.has_section("DeviceComissioning"):
od.bitrate = int(eds.get("DeviceComissioning", "Baudrate")) * 1000
od.node_id = int(eds.get("DeviceComissioning", "NodeID"))
for section in eds.sections():
# Match indexes
match = re.match(r"^[0-9A-Fa-f]{4}$", section)
if match is not None:
index = int(section, 16)
name = eds.get(section, "ParameterName")
object_type = int(eds.get(section, "ObjectType"), 0)
if object_type == VAR:
var = build_variable(eds, section, index)
od.add_object(var)
elif object_type == ARR and eds.has_option(section,
"CompactSubObj"):
arr = objectdictionary.Array(name, index)
last_subindex = objectdictionary.Variable(
"Number of entries", index, 0)
last_subindex.data_type = objectdictionary.UNSIGNED8
arr.add_member(last_subindex)
arr.add_member(build_variable(eds, section, index, 1))
od.add_object(arr)
elif object_type == ARR:
arr = objectdictionary.Array(name, index)
od.add_object(arr)
elif object_type == RECORD:
record = objectdictionary.Record(name, index)
od.add_object(record)
continue
# Match subindexes
match = re.match(r"^([0-9A-Fa-f]{4})sub([0-9A-Fa-f]+)$", section)
if match is not None:
index = int(match.group(1), 16)
subindex = int(match.group(2), 16)
entry = od[index]
if isinstance(entry,
(objectdictionary.Record, objectdictionary.Array)):
var = build_variable(eds, section, index, subindex)
entry.add_member(var)
return od
def test_add_record(self):
test_od = od.ObjectDictionary()
record = od.Record("Test Record", 0x1001)
var = od.Variable("Test Subindex", 0x1001, 1)
record.add_member(var)
test_od.add_object(record)
self.assertEqual(test_od["Test Record"], record)
self.assertEqual(test_od[0x1001], record)
self.assertEqual(test_od["Test Record"]["Test Subindex"], var)
def test_desc(self):
var = od.Variable("Test UNSIGNED8", 0x1000)
var.data_type = od.UNSIGNED8
var.add_value_description(0, "Value 0")
var.add_value_description(1, "Value 1")
var.add_value_description(3, "Value 3")
self.assertEqual(var.decode_desc(0), "Value 0")
self.assertEqual(var.decode_desc(3), "Value 3")
self.assertEqual(var.encode_desc("Value 1"), 1)
def test_bits(self):
var = od.Variable("Test UNSIGNED8", 0x1000)
var.data_type = od.UNSIGNED8
var.add_bit_definition("BIT 0", [0])
var.add_bit_definition("BIT 2 and 3", [2, 3])
self.assertEqual(var.decode_bits(1, "BIT 0"), 1)
self.assertEqual(var.decode_bits(1, [1]), 0)
self.assertEqual(var.decode_bits(0xf, [0, 1, 2, 3]), 15)
self.assertEqual(var.decode_bits(8, "BIT 2 and 3"), 2)
self.assertEqual(var.encode_bits(0xf, [1], 0), 0xd)
self.assertEqual(var.encode_bits(0, "BIT 0", 1), 1)
def build_variable(par_tree):
index = int(par_tree.get("Index"), 0)
try:
subindex = int(par_tree.get("SubIndex"))
except TypeError:
subindex = 0
name = par_tree.get("SymbolName")
data_type = par_tree.get("DataType")
par = objectdictionary.Variable(name, index, subindex)
factor = par_tree.get("Factor", "1")
par.factor = int(factor) if factor.isdigit() else float(factor)
unit = par_tree.get("Unit")
if unit:
par.unit = unit
description = par_tree.find("Description")
if description is not None:
par.description = description.text
if data_type in DATA_TYPES:
par.data_type = DATA_TYPES[data_type]
else:
logger.warning("Don't know how to handle data type %s", data_type)
par.access_type = par_tree.get("AccessType", "rw")
try:
par.min = int(par_tree.get("MinimumValue"))
except (ValueError, TypeError):
pass
try:
par.max = int(par_tree.get("MaximumValue"))
except (ValueError, TypeError):
pass
try:
par.default = int(par_tree.get("DefaultValue"))
except (ValueError, TypeError):
pass
# Find value descriptions
for value_field_def in par_tree.iterfind("ValueFieldDefs/ValueFieldDef"):
value = int(value_field_def.get("Value"), 0)
desc = value_field_def.get("Description")
par.add_value_description(value, desc)
# Find bit field descriptions
for bits_tree in par_tree.iterfind("BitFieldDefs/BitFieldDef"):
name = bits_tree.get("Name")
bits = [int(bit) for bit in bits_tree.get("Bit").split(",")]
par.add_bit_definition(name, bits)
return par
def build_variable(eds, section, index, subindex=0):
name = eds.get(section, "ParameterName")
var = objectdictionary.Variable(name, index, subindex)
var.data_type = int(eds.get(section, "DataType"), 0)
var.access_type = eds.get(section, "AccessType").lower()
if eds.has_option(section, "LowLimit"):
try:
var.min = int(eds.get(section, "LowLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "HighLimit"):
try:
var.max = int(eds.get(section, "HighLimit"), 0)
except ValueError:
pass
return var
def _convert_eds(eds, node_id):
od = objectdictionary.ObjectDictionary()
if eds.has_section("DeviceComissioning"):
od.bitrate = int(eds.get("DeviceComissioning", "Baudrate")) * 1000
od.node_id = int(eds.get("DeviceComissioning", "NodeID"))
for section in eds.sections():
# Match indexes
match = re.match(r"^[0-9A-Fa-f]{4}$", section)
if match is not None:
index = int(section, 16)
name = eds.get(section, "ParameterName")
object_type = int(eds.get(section, "ObjectType"), 0)
if object_type == VAR:
var = build_variable(eds, section, index)
od.add_object(var)
elif object_type == ARR and eds.has_option(section, "CompactSubObj"):
arr = objectdictionary.Array(name, index)
last_subindex = objectdictionary.Variable(
"Number of entries", index, 0)
last_subindex.data_type = objectdictionary.UNSIGNED8
arr.add_member(last_subindex)
arr.add_member(build_variable(eds, section, index, 1))
od.add_object(arr)
elif object_type == ARR:
arr = objectdictionary.Array(name, index)
od.add_object(arr)
elif object_type == RECORD:
record = objectdictionary.Record(name, index)
od.add_object(record)
continue
# Match subindexes
match = re.match(r"^([0-9A-Fa-f]{4})sub([0-9A-Fa-f]+)$", section)
if match is not None:
index = int(match.group(1), 16)
subindex = int(match.group(2), 16)
entry = od[index]
if isinstance(entry, (objectdictionary.Record,
objectdictionary.Array)):
var = build_variable(eds, section, index, subindex)
entry.add_member(var)
return od
def build_variable(eds, section, node_id, index, subindex=0):
"""Creates a object dictionary entry.
:param eds: String stream of the eds file
:param section:
:param node_id: Node ID
:param index: Index of the CANOpen object
:param subindex: Subindex of the CANOpen object (if presente, else 0)
"""
name = eds.get(section, "ParameterName")
var = objectdictionary.Variable(name, index, subindex)
var.data_type = int(eds.get(section, "DataType"), 0)
var.access_type = eds.get(section, "AccessType").lower()
if var.data_type > 0x1B:
# The object dictionary editor from CANFestival creates an optional object if min max values are used
# This optional object is then placed in the eds under the section [A0] (start point, iterates for more)
# The eds.get function gives us 0x00A0 now convert to String without hex representation and upper case
# The sub2 part is then the section where the type parameter stands
var.data_type = int(eds.get("%Xsub1" % var.data_type, "DefaultValue"),
0)
if eds.has_option(section, "LowLimit"):
try:
var.min = int(eds.get(section, "LowLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "HighLimit"):
try:
var.max = int(eds.get(section, "HighLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "DefaultValue"):
try:
var.default = _convert_variable(node_id, var.data_type,
eds.get(section, "DefaultValue"))
except ValueError:
pass
if eds.has_option(section, "ParameterValue"):
try:
var.value = _convert_variable(node_id, var.data_type,
eds.get(section, "ParameterValue"))
except ValueError:
pass
return var
def build_variable(eds, section, node_id, index, subindex=0):
name = eds.get(section, "ParameterName")
var = objectdictionary.Variable(name, index, subindex)
var.data_type = int(eds.get(section, "DataType"), 0)
var.access_type = eds.get(section, "AccessType").lower()
if var.data_type > 0x1B:
# The object dictionary editor from CANFestival creates an optional object if min max values are used
# This optional object is then placed in the eds under the section [A0] (start point, iterates for more)
# The eds.get function gives us 0x00A0 now convert to String without hex representation and upper case
# The sub2 part is then the section where the type parameter stands
var.data_type = int(eds.get("%Xsub1" % var.data_type, "DefaultValue"), 0)
if eds.has_option(section, "LowLimit"):
try:
var.min = int(eds.get(section, "LowLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "HighLimit"):
try:
var.max = int(eds.get(section, "HighLimit"), 0)
except ValueError:
pass
if eds.has_option(section, "DefaultValue"):
try:
default_value = eds.get(section, "DefaultValue")
if var.data_type in objectdictionary.DATA_TYPES:
var.default = default_value
elif var.data_type in objectdictionary.FLOAT_TYPES:
var.default = float(default_value)
else:
#COB-ID can have a suffix of '$NODEID+' so replace this with node_id before converting
if '$NODEID+' in default_value and node_id is not None:
var.default = int(default_value.replace('$NODEID+',''), 0) + node_id
else:
var.default = int(default_value, 0)
except ValueError:
pass
return var
def build_variable(par_tree):
index = int(par_tree.get("Index"), 0)
subindex = int(par_tree.get("SubIndex"))
name = par_tree.get("SymbolName")
data_type = par_tree.get("DataType")
par = objectdictionary.Variable(name, index, subindex)
factor = par_tree.get("Factor", "1")
par.factor = int(factor) if factor.isdigit() else float(factor)
unit = par_tree.get("Unit")
if unit and unit != "-":
par.unit = unit
par.data_type = DATA_TYPES[data_type]
par.access_type = par_tree.get("AccessType", "rw")
try:
par.min = int(par_tree.get("MinimumValue"))
except (ValueError, TypeError):
pass
try:
par.max = int(par_tree.get("MaximumValue"))
except (ValueError, TypeError):
pass
# Find value descriptions
for value_field_def in par_tree.iterfind("ValueFieldDefs/ValueFieldDef"):
value = int(value_field_def.get("Value"), 0)
desc = value_field_def.get("Description")
par.add_value_description(value, desc)
# Find bit field descriptions
for bits_tree in par_tree.iterfind("BitFieldDefs/BitFieldDef"):
name = bits_tree.get("Name")
bits = [int(bit) for bit in bits_tree.get("Bit").split(",")]
par.add_bit_definition(name, bits)
return par
def test_unsigned32(self):
var = od.Variable("Test UNSIGNED32", 0x1000)
var.data_type = od.UNSIGNED32
self.assertEqual(var.decode_raw(b"\xfc\xfd\xfe\xff"), 4294901244)
self.assertEqual(var.encode_raw(4294901244), b"\xfc\xfd\xfe\xff")
def import_eds(source, node_id):
eds = RawConfigParser()
eds.optionxform = str
if hasattr(source, "read"):
fp = source
else:
fp = open(source)
try:
# Python 3
eds.read_file(fp)
except AttributeError:
# Python 2
eds.readfp(fp)
fp.close()
od = objectdictionary.ObjectDictionary()
if eds.has_section("FileInfo"):
od.__edsFileInfo = {
opt: eds.get("FileInfo", opt)
for opt in eds.options("FileInfo")
}
if eds.has_section("Comments"):
linecount = int(eds.get("Comments", "Lines"), 0)
od.comments = '\n'.join([
eds.get("Comments", "Line%i" % line)
for line in range(1, linecount + 1)
])
if not eds.has_section("DeviceInfo"):
logger.warn(
"eds file does not have a DeviceInfo section. This section is mandatory"
)
else:
for rate in [10, 20, 50, 125, 250, 500, 800, 1000]:
baudPossible = int(
eds.get("DeviceInfo", "BaudRate_%i" % rate, fallback='0'), 0)
if baudPossible != 0:
od.device_information.allowed_baudrates.add(rate * 1000)
for t, eprop, odprop in [
(str, "VendorName", "vendor_name"),
(int, "VendorNumber", "vendor_number"),
(str, "ProductName", "product_name"),
(int, "ProductNumber", "product_number"),
(int, "RevisionNumber", "revision_number"),
(str, "OrderCode", "order_code"),
(bool, "SimpleBootUpMaster", "simple_boot_up_master"),
(bool, "SimpleBootUpSlave", "simple_boot_up_slave"),
(bool, "Granularity", "granularity"),
(bool, "DynamicChannelsSupported", "dynamic_channels_supported"),
(bool, "GroupMessaging", "group_messaging"),
(int, "NrOfRXPDO", "nr_of_RXPDO"),
(int, "NrOfTXPDO", "nr_of_TXPDO"),
(bool, "LSS_Supported", "LSS_supported"),
]:
try:
if t in (int, bool):
setattr(od.device_information, odprop,
t(int(eds.get("DeviceInfo", eprop), 0)))
elif t is str:
setattr(od.device_information, odprop,
eds.get("DeviceInfo", eprop))
except NoOptionError:
pass
if eds.has_section("DeviceComissioning"):
od.bitrate = int(eds.get("DeviceComissioning", "BaudRate")) * 1000
od.node_id = int(eds.get("DeviceComissioning", "NodeID"), 0)
for section in eds.sections():
# Match dummy definitions
match = re.match(r"^[Dd]ummy[Uu]sage$", section)
if match is not None:
for i in range(1, 8):
key = "Dummy%04d" % i
if eds.getint(section, key) == 1:
var = objectdictionary.Variable(key, i, 0)
var.data_type = i
var.access_type = "const"
od.add_object(var)
# Match indexes
match = re.match(r"^[0-9A-Fa-f]{4}$", section)
if match is not None:
index = int(section, 16)
name = eds.get(section, "ParameterName")
try:
object_type = int(eds.get(section, "ObjectType"), 0)
except NoOptionError:
# DS306 4.6.3.2 object description
# If the keyword ObjectType is missing, this is regarded as
# "ObjectType=0x7" (=VAR).
object_type = VAR
try:
storage_location = eds.get(section, "StorageLocation")
except NoOptionError:
storage_location = None
if object_type in (VAR, DOMAIN):
var = build_variable(eds, section, node_id, index)
od.add_object(var)
elif object_type == ARR and eds.has_option(section,
"CompactSubObj"):
arr = objectdictionary.Array(name, index)
last_subindex = objectdictionary.Variable(
"Number of entries", index, 0)
last_subindex.data_type = objectdictionary.UNSIGNED8
arr.add_member(last_subindex)
arr.add_member(build_variable(eds, section, node_id, index, 1))
arr.storage_location = storage_location
od.add_object(arr)
elif object_type == ARR:
arr = objectdictionary.Array(name, index)
arr.storage_location = storage_location
od.add_object(arr)
elif object_type == RECORD:
record = objectdictionary.Record(name, index)
record.storage_location = storage_location
od.add_object(record)
continue
# Match subindexes
match = re.match(r"^([0-9A-Fa-f]{4})[S|s]ub([0-9A-Fa-f]+)$", section)
if match is not None:
index = int(match.group(1), 16)
subindex = int(match.group(2), 16)
entry = od[index]
if isinstance(entry,
(objectdictionary.Record, objectdictionary.Array)):
var = build_variable(eds, section, node_id, index, subindex)
entry.add_member(var)
# Match [index]Name
match = re.match(r"^([0-9A-Fa-f]{4})Name", section)
if match is not None:
index = int(match.group(1), 16)
num_of_entries = int(eds.get(section, "NrOfEntries"))
entry = od[index]
# For CompactSubObj index 1 is were we find the variable
src_var = od[index][1]
for subindex in range(1, num_of_entries + 1):
var = copy_variable(eds, section, subindex, src_var)
if var is not None:
entry.add_member(var)
return od
def test_add_variable(self):
test_od = od.ObjectDictionary()
var = od.Variable("Test Variable", 0x1000)
test_od.add_object(var)
self.assertEqual(test_od["Test Variable"], var)
self.assertEqual(test_od[0x1000], var)
def test_unsigned8(self):
var = od.Variable("Test UNSIGNED8", 0x1000)
var.data_type = od.UNSIGNED8
self.assertEqual(var.decode_raw(b"\xff"), 255)
self.assertEqual(var.encode_raw(254), b"\xfe")
def test_unsigned16(self):
var = od.Variable("Test UNSIGNED16", 0x1000)
var.data_type = od.UNSIGNED16
self.assertEqual(var.decode_raw(b"\xfe\xff"), 65534)
self.assertEqual(var.encode_raw(65534), b"\xfe\xff")
def test_visible_string(self):
var = od.Variable("Test VISIBLE_STRING", 0x1000)
var.data_type = od.VISIBLE_STRING
self.assertEqual(var.decode_raw(b"abcdefg"), "abcdefg")
self.assertEqual(var.encode_raw("testing"), b"testing")
def test_integer32(self):
var = od.Variable("Test INTEGER32", 0x1000)
var.data_type = od.INTEGER32
self.assertEqual(var.decode_raw(b"\xfe\xff\xff\xff"), -2)
self.assertEqual(var.encode_raw(-2), b"\xfe\xff\xff\xff")
def import_eds(source, node_id):
eds = RawConfigParser()
if hasattr(source, "read"):
fp = source
else:
fp = open(source)
try:
# Python 3
eds.read_file(fp)
except AttributeError:
# Python 2
eds.readfp(fp)
fp.close()
od = objectdictionary.ObjectDictionary()
if eds.has_section("DeviceComissioning"):
od.bitrate = int(eds.get("DeviceComissioning", "Baudrate")) * 1000
od.node_id = int(eds.get("DeviceComissioning", "NodeID"))
for section in eds.sections():
# Match dummy definitions
match = re.match(r"^[Dd]ummy[Uu]sage$", section)
if match is not None:
for i in range(1, 8):
key = "Dummy%04d" % i
if eds.getint(section, key) == 1:
var = objectdictionary.Variable(key, i, 0)
var.data_type = i
var.access_type = "const"
od.add_object(var)
# Match indexes
match = re.match(r"^[0-9A-Fa-f]{4}$", section)
if match is not None:
index = int(section, 16)
name = eds.get(section, "ParameterName")
try:
object_type = int(eds.get(section, "ObjectType"), 0)
except NoOptionError:
# DS306 4.6.3.2 object description
# If the keyword ObjectType is missing, this is regarded as
# "ObjectType=0x7" (=VAR).
object_type = VAR
if object_type in (VAR, DOMAIN):
var = build_variable(eds, section, node_id, index)
od.add_object(var)
elif object_type == ARR and eds.has_option(section, "CompactSubObj"):
arr = objectdictionary.Array(name, index)
last_subindex = objectdictionary.Variable(
"Number of entries", index, 0)
last_subindex.data_type = objectdictionary.UNSIGNED8
arr.add_member(last_subindex)
arr.add_member(build_variable(eds, section, node_id, index, 1))
od.add_object(arr)
elif object_type == ARR:
arr = objectdictionary.Array(name, index)
od.add_object(arr)
elif object_type == RECORD:
record = objectdictionary.Record(name, index)
od.add_object(record)
continue
# Match subindexes
match = re.match(r"^([0-9A-Fa-f]{4})[S|s]ub([0-9A-Fa-f]+)$", section)
if match is not None:
index = int(match.group(1), 16)
subindex = int(match.group(2), 16)
entry = od[index]
if isinstance(entry, (objectdictionary.Record,
objectdictionary.Array)):
var = build_variable(eds, section, node_id, index, subindex)
entry.add_member(var)
# Match [index]Name
match = re.match(r"^([0-9A-Fa-f]{4})Name", section)
if match is not None:
index = int(match.group(1), 16)
num_of_entries = int(eds.get(section, "NrOfEntries"))
entry = od[index]
# For CompactSubObj index 1 is were we find the variable
src_var = od[index][1]
for subindex in range(1, num_of_entries + 1):
var = copy_variable(eds, section, subindex, src_var)
if var is not None:
entry.add_member(var)
return od
def test_subindexes(self):
array = od.Array("Test Array", 0x1000)
array.template = od.Variable("Test Variable", 0x1000, 1)
subindexes = [var.subindex for var in array]
self.assertSequenceEqual(subindexes, range(0, 256))