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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| class CCSDSParameters: | ||
| def __init__(self): | ||
| self.parameters = [ | ||
| { | ||
| "name": "VERSION", | ||
| "parameterTypeRef": "uint3", | ||
| "description": "CCSDS Packet Version Number (always 0)", | ||
| }, | ||
| { | ||
| "name": "TYPE", | ||
| "parameterTypeRef": "uint1", | ||
| "description": "CCSDS Packet Type Indicator (0=telemetry)", | ||
| }, | ||
| { | ||
| "name": "SEC_HDR_FLG", | ||
| "parameterTypeRef": "uint1", | ||
| "description": "CCSDS Packet Secondary Header Flag (always 1)", | ||
| }, | ||
| { | ||
| "name": "PKT_APID", | ||
| "parameterTypeRef": "uint11", | ||
| "description": "CCSDS Packet Application Process ID", | ||
| }, | ||
| { | ||
| "name": "SEG_FLGS", | ||
| "parameterTypeRef": "uint2", | ||
| "description": "CCSDS Packet Grouping Flags (3=not part of group)", | ||
| }, | ||
| { | ||
| "name": "SRC_SEQ_CTR", | ||
| "parameterTypeRef": "uint14", | ||
| "description": "CCSDS Packet Sequence Count (increments with each new packet)", | ||
| }, | ||
| { | ||
| "name": "PKT_LEN", | ||
| "parameterTypeRef": "uint16", | ||
| "description": "CCSDS Packet Length (number of bytes after Packet length minus 1)", | ||
| }, | ||
| { | ||
| "name": "SHCOARSE", | ||
| "parameterTypeRef": "uint32", | ||
| "description": "CCSDS Packet Time Stamp (coarse time)", | ||
| }, | ||
| ] | ||
|
|
||
|
|
||
| # Other utility functions related to CCSDS parameters can also be added here |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| <?xml version='1.0' encoding='utf-8'?> | ||
| <xtce:SpaceSystem xmlns:xtce="http://www.omg.org/space" name="CCSDS_Headers"> | ||
| <xtce:Header date="2023" version="1.0" author="IMAP SDC" /> | ||
| <xtce:TelemetryMetaData> | ||
| <xtce:ParameterTypeSet> | ||
| <xtce:IntegerParameterType name="uint1" signed="false"> | ||
| <xtce:IntegerDataEncoding sizeInBits="1" encoding="unsigned" /> | ||
| <xtce:UnitSet /> | ||
| </xtce:IntegerParameterType> | ||
| <xtce:IntegerParameterType name="uint2" signed="false"> | ||
| <xtce:IntegerDataEncoding sizeInBits="2" encoding="unsigned" /> | ||
| <xtce:UnitSet /> | ||
| </xtce:IntegerParameterType> | ||
| <xtce:IntegerParameterType name="uint3" signed="false"> | ||
| <xtce:IntegerDataEncoding sizeInBits="3" encoding="unsigned" /> | ||
| <xtce:UnitSet /> | ||
| </xtce:IntegerParameterType> | ||
| <xtce:IntegerParameterType name="uint11" signed="false"> | ||
| <xtce:IntegerDataEncoding sizeInBits="11" encoding="unsigned" /> | ||
| <xtce:UnitSet /> | ||
| </xtce:IntegerParameterType> | ||
| <xtce:IntegerParameterType name="uint14" signed="false"> | ||
| <xtce:IntegerDataEncoding sizeInBits="14" encoding="unsigned" /> | ||
| <xtce:UnitSet /> | ||
| </xtce:IntegerParameterType> | ||
| <xtce:IntegerParameterType name="uint16" signed="false"> | ||
| <xtce:IntegerDataEncoding sizeInBits="16" encoding="unsigned" /> | ||
| <xtce:UnitSet /> | ||
| </xtce:IntegerParameterType> | ||
| <xtce:IntegerParameterType name="uint32" signed="false"> | ||
| <xtce:IntegerDataEncoding sizeInBits="32" encoding="unsigned" /> | ||
| <xtce:UnitSet /> | ||
| </xtce:IntegerParameterType> | ||
| </xtce:ParameterTypeSet> | ||
| <xtce:ParameterSet> | ||
| <xtce:Parameter name="VERSION" parameterTypeRef="uint3"> | ||
| <xtce:LongDescription>CCSDS Packet Version Number (always 0)</xtce:LongDescription> | ||
| </xtce:Parameter> | ||
| <xtce:Parameter name="TYPE" parameterTypeRef="uint1"> | ||
| <xtce:LongDescription>CCSDS Packet Type Indicator (0=telemetry)</xtce:LongDescription> | ||
| </xtce:Parameter> | ||
| <xtce:Parameter name="SEC_HDR_FLG" parameterTypeRef="uint1"> | ||
| <xtce:LongDescription>CCSDS Packet Secondary Header Flag (always 1)</xtce:LongDescription> | ||
| </xtce:Parameter> | ||
| <xtce:Parameter name="PKT_APID" parameterTypeRef="uint11"> | ||
| <xtce:LongDescription>CCSDS Packet Application Process ID</xtce:LongDescription> | ||
| </xtce:Parameter> | ||
| <xtce:Parameter name="SEG_FLGS" parameterTypeRef="uint2"> | ||
| <xtce:LongDescription>CCSDS Packet Grouping Flags (3=not part of group)</xtce:LongDescription> | ||
| </xtce:Parameter> | ||
| <xtce:Parameter name="SRC_SEQ_CTR" parameterTypeRef="uint14"> | ||
| <xtce:LongDescription>CCSDS Packet Sequence Count (increments with each new packet)</xtce:LongDescription> | ||
| </xtce:Parameter> | ||
| <xtce:Parameter name="PKT_LEN" parameterTypeRef="uint16"> | ||
| <xtce:LongDescription>CCSDS Packet Length (number of bytes after Packet length minus 1)</xtce:LongDescription> | ||
| </xtce:Parameter> | ||
| </xtce:ParameterSet> | ||
| <xtce:ContainerSet> | ||
| <xtce:SequenceContainer name="CCSDSPacket"> | ||
| <xtce:EntryList> | ||
| <xtce:ParameterRefEntry parameterRef="VERSION" /> | ||
| <xtce:ParameterRefEntry parameterRef="TYPE" /> | ||
| <xtce:ParameterRefEntry parameterRef="SEC_HDR_FLG" /> | ||
| <xtce:ParameterRefEntry parameterRef="PKT_APID" /> | ||
| <xtce:ParameterRefEntry parameterRef="SEG_FLGS" /> | ||
| <xtce:ParameterRefEntry parameterRef="SRC_SEQ_CTR" /> | ||
| <xtce:ParameterRefEntry parameterRef="PKT_LEN" /> | ||
| </xtce:EntryList> | ||
| </xtce:SequenceContainer> | ||
| </xtce:ContainerSet> | ||
| </xtce:TelemetryMetaData> | ||
| </xtce:SpaceSystem> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| """ All L0 data is written with a CCSDS header. This script creates the CCSDS header | ||
| parameters and writes them to an XML file. The XML file is then used to create | ||
| the CCSDS header parameters in the XTCE file. | ||
| """ | ||
|
|
||
| import xml.etree.ElementTree as ET | ||
|
|
||
| ET.register_namespace("xtce", "http://www.omg.org/space") | ||
|
|
||
| # Create the root element | ||
|
|
||
| root = ET.Element("{http://www.omg.org/space}SpaceSystem") | ||
| root.attrib["name"] = "CCSDS_Headers" | ||
|
|
||
| # Create the Header element and its attributes | ||
| header = ET.SubElement(root, "{http://www.omg.org/space}Header") | ||
| header.attrib["date"] = "2023" | ||
| header.attrib["version"] = "1.0" | ||
| header.attrib["author"] = "IMAP SDC" | ||
|
|
||
| # Create the TelemetryMetaData element | ||
| telemetry_metadata = ET.SubElement(root, "{http://www.omg.org/space}TelemetryMetaData") | ||
|
|
||
| # Create the ParameterTypeSet element | ||
| parameter_type_set = ET.SubElement( | ||
| telemetry_metadata, "{http://www.omg.org/space}ParameterTypeSet" | ||
| ) | ||
|
|
||
| # Create integer parameter types | ||
| integer_sizes = [1, 2, 3, 11, 14, 16, 32] | ||
| for size in integer_sizes: | ||
| parameter_type = ET.SubElement( | ||
| parameter_type_set, "{http://www.omg.org/space}IntegerParameterType" | ||
| ) | ||
| parameter_type.attrib["name"] = f"uint{size}" | ||
| parameter_type.attrib["signed"] = "false" | ||
|
|
||
| encoding = ET.SubElement( | ||
| parameter_type, "{http://www.omg.org/space}IntegerDataEncoding" | ||
| ) | ||
| encoding.attrib["sizeInBits"] = str(size) | ||
| encoding.attrib["encoding"] = "unsigned" | ||
|
|
||
| unit_set = ET.SubElement(parameter_type, "{http://www.omg.org/space}UnitSet") | ||
|
|
||
| # Create the ParameterSet element | ||
| parameter_set = ET.SubElement( | ||
| telemetry_metadata, "{http://www.omg.org/space}ParameterSet" | ||
| ) | ||
|
|
||
| # Create CCSDS Header parameters | ||
| ccsds_parameters = [ | ||
| { | ||
| "name": "VERSION", | ||
| "parameterTypeRef": "uint3", | ||
| "description": "CCSDS Packet Version Number (always 0)", | ||
| }, | ||
| { | ||
| "name": "TYPE", | ||
| "parameterTypeRef": "uint1", | ||
| "description": "CCSDS Packet Type Indicator (0=telemetry)", | ||
| }, | ||
| { | ||
| "name": "SEC_HDR_FLG", | ||
| "parameterTypeRef": "uint1", | ||
| "description": "CCSDS Packet Secondary Header Flag (always 1)", | ||
| }, | ||
| { | ||
| "name": "PKT_APID", | ||
| "parameterTypeRef": "uint11", | ||
| "description": "CCSDS Packet Application Process ID", | ||
| }, | ||
| { | ||
| "name": "SEG_FLGS", | ||
| "parameterTypeRef": "uint2", | ||
| "description": "CCSDS Packet Grouping Flags (3=not part of group)", | ||
| }, | ||
| { | ||
| "name": "SRC_SEQ_CTR", | ||
| "parameterTypeRef": "uint14", | ||
| "description": "CCSDS Packet Sequence Count (increments with each new packet)", | ||
| }, | ||
| { | ||
| "name": "PKT_LEN", | ||
| "parameterTypeRef": "uint16", | ||
| "description": "CCSDS Packet Length (number of bytes after Packet length minus 1)", | ||
| }, | ||
| ] | ||
|
|
||
| for parameter_data in ccsds_parameters: | ||
| parameter = ET.SubElement(parameter_set, "{http://www.omg.org/space}Parameter") | ||
| parameter.attrib["name"] = parameter_data["name"] | ||
| parameter.attrib["parameterTypeRef"] = parameter_data["parameterTypeRef"] | ||
|
|
||
| description = ET.SubElement(parameter, "{http://www.omg.org/space}LongDescription") | ||
| description.text = parameter_data["description"] | ||
|
|
||
| # Create the ContainerSet element | ||
| container_set = ET.SubElement( | ||
| telemetry_metadata, "{http://www.omg.org/space}ContainerSet" | ||
| ) | ||
|
|
||
| # Create the SequenceContainer element | ||
| sequence_container = ET.SubElement( | ||
| container_set, "{http://www.omg.org/space}SequenceContainer" | ||
| ) | ||
| sequence_container.attrib["name"] = "CCSDSPacket" | ||
|
|
||
| # Create the EntryList element and add ParameterRefEntry elements | ||
| entry_list = ET.SubElement(sequence_container, "{http://www.omg.org/space}EntryList") | ||
| for parameter_data in ccsds_parameters: | ||
| parameter_ref_entry = ET.SubElement( | ||
| entry_list, "{http://www.omg.org/space}ParameterRefEntry" | ||
| ) | ||
| parameter_ref_entry.attrib["parameterRef"] = parameter_data["name"] | ||
|
|
||
| # Create the XML tree | ||
| tree = ET.ElementTree(root) | ||
| ET.indent(tree, space="\t", level=0) | ||
| # Save the XML document to a file | ||
| tree.write("L0/ccsds-header.xml", encoding="utf-8", xml_declaration=True) |
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