def dtype_to_vtype(server, dtype_node):
"""
Given a node datatype, find out the variant type to encode
data. This is not exactly straightforward...
"""
# first check if datatype is a simple built in type
identifier = dtype_node.nodeid.Identifier
if isinstance(identifier, int) and identifier <= 22:
return ua.VariantType(identifier)
# now handle some special cases
parents = _get_node_supertypes(dtype_node)
if not parents:
raise ua.UaError("Datatype must be a subtype of builtin types")
parent = parents[0]
if parent.nodeid.Identifier == 29:
# we have an enumeration, we need to llok at child to find type
descs = dtype_node.get_children_descriptions()
bnames = [d.BrowseName.Name for d in descs]
if "EnumStrings" in bnames:
return ua.VariantType.LocalizedText
elif "EnumValues" in bnames:
return ua.VariantType.ExtensionObject
else:
raise ua.UaError(
"Enumeration must have a child node describing its type and values"
)
return dtype_to_vtype(server, parents[0])
def data_type_to_variant_type(dtype_node):
"""
Given a Node datatype, find out the variant type to encode
data. This is not exactly straightforward...
"""
base = get_base_data_type(dtype_node)
if base.nodeid.Identifier != 29:
return ua.VariantType(base.nodeid.Identifier)
else:
# we have an enumeration, value is a Int32
return ua.VariantType.Int32
def data_type_to_variant_type(dtype_node):
"""
Given a Node datatype, find out the variant type to encode
data. This is not exactly straightforward...
"""
base = get_base_data_type(dtype_node)
if base.nodeid.Identifier != 29:
return ua.VariantType(base.nodeid.Identifier)
else:
# we have an enumeration, we need to look at child to find type
descs = dtype_node.get_children_descriptions()
bnames = [d.BrowseName.Name for d in descs]
if "EnumStrings" in bnames:
return ua.VariantType.LocalizedText
elif "EnumValues" in bnames:
return ua.VariantType.ExtensionObject
else:
raise ua.UaError(
"Enumeration must have a child node describing its type and values"
)
def as_int(x):
return ua.Variant(x, ua.VariantType(4))
def as_time(x):
return ua.Variant(x, ua.VariantType(8))
dirs = [dir_right, dir_right, dir_down, dir_down, dir_down, dir_down, dir_down, dir_down,
dir_right, dir_right, dir_up, dir_up, dir_up, dir_up, dir_up, dir_up,
dir_right, dir_right, dir_down, dir_down, dir_down, dir_down, dir_down, dir_down,
dir_right, dir_up, dir_up, dir_up, dir_up, dir_up, dir_up, dir_left,
dir_down, dir_down, dir_down, dir_down, dir_down, dir_down, dir_left, dir_left,
dir_up, dir_up, dir_up, dir_up, dir_up, dir_up, dir_left, dir_left,
dir_down, dir_down, dir_down, dir_down, dir_down, dir_down, dir_left, dir_left, dir_left]
for i, dir_ in enumerate(dirs):
tr.get_node(f"{ROOT}.PLC_PRG.TAP_1.PIECE_T.dirs[{i}]").set_value(dir_)
"""
for i, tool in enumerate(tools):
tr.get_node(f"{ROOT}.PLC_PRG.TAP_1.PIECE_T.tools[{i}]").set_value(tool)
for i, tool_time in enumerate(tool_times):
tr.get_node(f"{ROOT}.PLC_PRG.TAP_1.PIECE_T.tool_times[{i}]").set_value(
tool_time)
for i, tool_cnt in enumerate(tool_count):
tr.get_node(f"{ROOT}.PLC_PRG.TAP_1.PIECE_T.tool_count[{i}]").set_value(
tool_cnt)
"""
idx = as_int(0)
tr.get_node(f"{ROOT}.PLC_PRG.TAP_1.PIECE_T.idx").set_value(idx)
piece = ua.DataValue(ua.Variant(1, ua.VariantType(5)))
tr.get_node(f"{ROOT}.GVL.ST1_tp").set_value(piece)
def as_seconds(x):
return ua.Variant(x * 1000, ua.VariantType(8))
def as_piece(x):
return ua.Variant(x, ua.VariantType(5))