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Merge branch 'dev' of github.com:IMAP-Science-Operations-Center/imap_…
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…processing into codice-packet-file-to-dataset
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bourque committed Aug 30, 2024
2 parents 10ba2fa + 373f9f3 commit 187d3d0
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30 changes: 30 additions & 0 deletions docs/source/code-documentation/tools/xtce-generator.rst
Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,13 @@ the conversion details.
- ANALOG
- Apply an analog conversion
-
* - MY_INSTRUMENT_HK
- VARIABLE_ENUMERATED
- 1
- UINT
- STATE
- Apply an enumeration state
-
* - MY_INSTRUMENT_HK
- VARIABLE_LENGTH_BINARY_SCIENCE
- 100
Expand Down Expand Up @@ -164,3 +171,26 @@ coefficients defined from ``c0`` to ``c7`` to define the order of the polynomial
-
-
-

States tab (optional)
~~~~~~~~~~~~~~~~~~~~~

Packet parsing can also apply enumeration/state conversions to the data being read in.
For example, to change from a raw unsigned integer value to a "VALID" / "INVALID" string.
The ``States`` tab is used to define these enumerations.

.. list-table:: States
:header-rows: 1

* - packetName
- mnemonic
- value
- state
* - MY_INSTRUMENT_HK
- VARIABLE_ENUMERATED
- 0
- INVALID
* - MY_INSTRUMENT_HK
- VARIABLE_ENUMERATED
- 1
- VALID
33 changes: 32 additions & 1 deletion imap_processing/ccsds/excel_to_xtce.py
Original file line number Diff line number Diff line change
Expand Up @@ -251,7 +251,6 @@ def _add_parameter(self, row: pd.Series, total_packet_bits: int) -> None:
# Combine the packet name and mnemonic to create a unique parameter name
name = f"{row['packetName']}.{row['mnemonic']}"
parameter.attrib["name"] = name
# UINT8, ...
parameter.attrib["parameterTypeRef"] = name

# Add descriptions if they exist
Expand Down Expand Up @@ -329,6 +328,10 @@ def _add_parameter(self, row: pd.Series, total_packet_bits: int) -> None:
# Go look up the conversion in the AnalogConversions tab
# and add it to the encoding
self._add_analog_conversion(row, encoding)
elif row["convertAs"] == "STATE":
# Go look up the states in the States tab
# and add them to the parameter type
self._add_state_conversion(row, parameter_type)

def _add_analog_conversion(self, row: pd.Series, encoding: Et.Element) -> None:
"""
Expand Down Expand Up @@ -363,6 +366,34 @@ def _add_analog_conversion(self, row: pd.Series, encoding: Et.Element) -> None:
term.attrib["coefficient"] = str(conversion[col])
term.attrib["exponent"] = str(i)

def _add_state_conversion(self, row: pd.Series, parameter_type: Et.Element) -> None:
"""
Add a state conversion to the parameter type.
Changing from an IntegerParameterType to an EnumeratedParameterType. Adding
the list of state mappings to the parameter type.
Parameters
----------
row : pandas.Row
Row to be added to the XTCE file, containing mnemonic, packetName.
parameter_type : Element
The parameter type element to add the conversion to.
"""
# It is an EnumeratedParameterType rather than an IntegerParameterType
parameter_type.tag = "xtce:EnumeratedParameterType"
enumeration_list = Et.SubElement(parameter_type, "xtce:EnumerationList")
# Lookup the enumeration states for this parameter from the States sheet
state_sheet = self.sheets["States"]
state_sheet = state_sheet.loc[
(state_sheet["packetName"] == row["packetName"])
& (state_sheet["mnemonic"] == row["mnemonic"])
]
for _, state_row in state_sheet.iterrows():
enumeration = Et.SubElement(enumeration_list, "xtce:Enumeration")
enumeration.attrib["value"] = str(state_row["value"])
enumeration.attrib["label"] = str(state_row["state"])

def to_xml(self, output_xml_path: Path) -> None:
"""
Create and output an XTCE file from the Element Tree representation.
Expand Down
Binary file not shown.
17 changes: 14 additions & 3 deletions imap_processing/tests/ccsds/test_data/expected_output.xml
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@
<xtce:SizeInBits>
<xtce:DynamicValue>
<xtce:ParameterInstanceRef parameterRef="PKT_LEN" />
<xtce:LinearAdjustment slope="8" intercept="-70" />
<xtce:LinearAdjustment slope="8" intercept="-71" />
</xtce:DynamicValue>
</xtce:SizeInBits>
</xtce:BinaryDataEncoding>
Expand All @@ -59,6 +59,13 @@
<xtce:FloatParameterType name="TEST_PACKET.VAR_FLOAT">
<xtce:FloatDataEncoding sizeInBits="32" encoding="IEEE-754" />
</xtce:FloatParameterType>
<xtce:EnumeratedParameterType name="TEST_PACKET.VAR_STATE" signed="false">
<xtce:IntegerDataEncoding sizeInBits="1" encoding="unsigned" />
<xtce:EnumerationList>
<xtce:Enumeration value="0" label="OFF" />
<xtce:Enumeration value="1" label="ON" />
</xtce:EnumerationList>
</xtce:EnumeratedParameterType>
<xtce:IntegerParameterType name="TEST_PACKET2.SHCOARSE" signed="false">
<xtce:IntegerDataEncoding sizeInBits="32" encoding="unsigned" />
</xtce:IntegerParameterType>
Expand Down Expand Up @@ -109,11 +116,14 @@
<xtce:Parameter name="TEST_PACKET.VAR_FLOAT" parameterTypeRef="TEST_PACKET.VAR_FLOAT">
<xtce:LongDescription>Float data</xtce:LongDescription>
</xtce:Parameter>
<xtce:Parameter name="TEST_PACKET.VAR_STATE" parameterTypeRef="TEST_PACKET.VAR_STATE">
<xtce:LongDescription>State data</xtce:LongDescription>
</xtce:Parameter>
<xtce:Parameter name="TEST_PACKET2.SHCOARSE" parameterTypeRef="TEST_PACKET2.SHCOARSE">
<xtce:LongDescription>Mission elapsed time</xtce:LongDescription>
</xtce:Parameter>
<xtce:Parameter name="TEST_PACKET2.VAR1" parameterTypeRef="TEST_PACKET2.VAR1" shortDescription="Variable 1 short desc">
<xtce:LongDescription>Variable 1 - long desc</xtce:LongDescription>
<xtce:Parameter name="TEST_PACKET2.VAR1" parameterTypeRef="TEST_PACKET2.VAR1" shortDescription="Variable 1 short description">
<xtce:LongDescription>Variable 1 long description</xtce:LongDescription>
</xtce:Parameter>
</xtce:ParameterSet>
<xtce:ContainerSet>
Expand Down Expand Up @@ -142,6 +152,7 @@
<xtce:ParameterRefEntry parameterRef="TEST_PACKET.VAR_BYTE" />
<xtce:ParameterRefEntry parameterRef="TEST_PACKET.VAR_FILL" />
<xtce:ParameterRefEntry parameterRef="TEST_PACKET.VAR_FLOAT" />
<xtce:ParameterRefEntry parameterRef="TEST_PACKET.VAR_STATE" />
</xtce:EntryList>
</xtce:SequenceContainer>
<xtce:SequenceContainer name="TEST_PACKET2">
Expand Down
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