diff --git a/misc/defaultcfg/fsfwconfig/objects/FsfwFactory.cpp b/misc/defaultcfg/fsfwconfig/objects/FsfwFactory.cpp
index 4670c7e7..4d6e91f1 100644
--- a/misc/defaultcfg/fsfwconfig/objects/FsfwFactory.cpp
+++ b/misc/defaultcfg/fsfwconfig/objects/FsfwFactory.cpp
@@ -35,7 +35,7 @@ void Factory::produceFsfwObjects(void) {
 }
 
 void Factory::setStaticFrameworkObjectIds() {
-	PusServiceBase::packetSource = objects::NO_OBJECT;
+	PusServiceBase::PUS_DISTRIBUTOR = objects::NO_OBJECT;
 	PusServiceBase::PACKET_DESTINATION = objects::NO_OBJECT;
 
 	CommandingServiceBase::defaultPacketSource = objects::NO_OBJECT;
diff --git a/src/fsfw/datapoollocal/LocalDataPoolManager.h b/src/fsfw/datapoollocal/LocalDataPoolManager.h
index 8f369ea0..2f1476ab 100644
--- a/src/fsfw/datapoollocal/LocalDataPoolManager.h
+++ b/src/fsfw/datapoollocal/LocalDataPoolManager.h
@@ -243,9 +243,11 @@ class LocalDataPoolManager : public ProvidesDataPoolSubscriptionIF, public Acces
   LocalDataPoolManager* getPoolManagerHandle() override;
   ReturnValue_t subscribeForRegularPeriodicPacket(subdp::RegularHkPeriodicParams params) override;
   ReturnValue_t subscribeForDiagPeriodicPacket(subdp::DiagnosticsHkPeriodicParams params) override;
+  ReturnValue_t subscribeForPeriodicPacket(subdp::ParamsBase& params);
 
   ReturnValue_t subscribeForRegularUpdatePacket(subdp::RegularHkUpdateParams params) override;
   ReturnValue_t subscribeForDiagUpdatePacket(subdp::DiagnosticsHkUpdateParams params) override;
+  ReturnValue_t subscribeForUpdatePacket(subdp::ParamsBase& params);
 
  protected:
   ReturnValue_t subscribeForPeriodicPacket(subdp::ParamsBase& params);
diff --git a/src/fsfw/datapoollocal/ProvidesDataPoolSubscriptionIF.h b/src/fsfw/datapoollocal/ProvidesDataPoolSubscriptionIF.h
index 10e1ef92..baf91796 100644
--- a/src/fsfw/datapoollocal/ProvidesDataPoolSubscriptionIF.h
+++ b/src/fsfw/datapoollocal/ProvidesDataPoolSubscriptionIF.h
@@ -28,17 +28,11 @@ struct ParamsBase {
 };
 
 struct RegularHkPeriodicParams : public ParamsBase {
-  RegularHkPeriodicParams(sid_t sid, float collectionInterval)
-      : ParamsBase(sid, false, collectionInterval, false) {}
-
   RegularHkPeriodicParams(sid_t sid, bool enableReporting, float collectionInterval)
       : ParamsBase(sid, enableReporting, collectionInterval, false) {}
 };
 
 struct DiagnosticsHkPeriodicParams : public ParamsBase {
-  DiagnosticsHkPeriodicParams(sid_t sid, float collectionInterval)
-      : ParamsBase(sid, false, collectionInterval, true) {}
-
   DiagnosticsHkPeriodicParams(sid_t sid, bool enableReporting, float collectionInterval)
       : ParamsBase(sid, enableReporting, collectionInterval, true) {}
 };
diff --git a/src/fsfw/ipc/MessageQueueMessage.cpp b/src/fsfw/ipc/MessageQueueMessage.cpp
index 6e841c7f..b0ce090f 100644
--- a/src/fsfw/ipc/MessageQueueMessage.cpp
+++ b/src/fsfw/ipc/MessageQueueMessage.cpp
@@ -12,7 +12,7 @@ MessageQueueMessage::MessageQueueMessage() : messageSize(getMinimumMessageSize()
 MessageQueueMessage::MessageQueueMessage(uint8_t* data, size_t size)
     : messageSize(MessageQueueMessage::HEADER_SIZE + size) {
   if (size <= MessageQueueMessage::MAX_DATA_SIZE) {
-    std::memcpy(internalBuffer + MessageQueueMessage::HEADER_SIZE, data, size);
+    std::memcpy(MessageQueueMessage::getData(), data, size);
     this->messageSize = MessageQueueMessage::HEADER_SIZE + size;
   } else {
 #if FSFW_CPP_OSTREAM_ENABLED == 1
diff --git a/src/fsfw/timemanager/CCSDSTime.h b/src/fsfw/timemanager/CCSDSTime.h
index 607026e3..77801cec 100644
--- a/src/fsfw/timemanager/CCSDSTime.h
+++ b/src/fsfw/timemanager/CCSDSTime.h
@@ -39,13 +39,13 @@ class CCSDSTime {
    * Struct for CDS day-segmented format.
    */
   struct CDS_short {
-    uint8_t pField;
-    uint8_t dayMSB;
-    uint8_t dayLSB;
-    uint8_t msDay_hh;
-    uint8_t msDay_h;
-    uint8_t msDay_l;
-    uint8_t msDay_ll;
+    uint8_t pField = P_FIELD_CDS_SHORT;
+    uint8_t dayMSB = 0;
+    uint8_t dayLSB = 0;
+    uint8_t msDay_hh = 0;
+    uint8_t msDay_h = 0;
+    uint8_t msDay_l = 0;
+    uint8_t msDay_ll = 0;
   };
   /**
    * Struct for the CCS fromat in day of month variation with max resolution
diff --git a/src/fsfw/tmtcpacket/pus/defs.h b/src/fsfw/tmtcpacket/pus/defs.h
index 69b3415c..c5172d8b 100644
--- a/src/fsfw/tmtcpacket/pus/defs.h
+++ b/src/fsfw/tmtcpacket/pus/defs.h
@@ -13,44 +13,6 @@ using PusChecksumT = uint16_t;
 //! Version numbers according to ECSS-E-ST-70-41C p.439
 enum PusVersion : uint8_t { PUS_A = 1, PUS_C = 2 };
 
-struct RawData {
-  const uint8_t* data;
-  size_t len;
-};
-
-enum DataTypes { RAW, SERIALIZABLE };
-
-union DataUnion {
-  RawData raw;
-  SerializeIF* serializable;
-};
-
-struct DataWrapper {
-  DataTypes type;
-  DataUnion dataUnion;
-  using BufPairT = std::pair<const uint8_t*, size_t>;
-
-  [[nodiscard]] size_t getLength() const {
-    if (type == DataTypes::RAW) {
-      return dataUnion.raw.len;
-    } else if (type == DataTypes::SERIALIZABLE and dataUnion.serializable != nullptr) {
-      return dataUnion.serializable->getSerializedSize();
-    }
-    return 0;
-  }
-
-  void setRawData(BufPairT bufPair) {
-    type = DataTypes::RAW;
-    dataUnion.raw.data = bufPair.first;
-    dataUnion.raw.len = bufPair.second;
-  }
-
-  void setSerializable(SerializeIF& serializable) {
-    type = DataTypes::SERIALIZABLE;
-    dataUnion.serializable = &serializable;
-  }
-};
-
 /**
  * This struct defines the data structure of a Space Packet when accessed
  * via a pointer.
diff --git a/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.cpp b/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.cpp
index d85d5b72..14a440a0 100644
--- a/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.cpp
+++ b/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.cpp
@@ -37,14 +37,14 @@ ReturnValue_t PusTcCreator::serialize(uint8_t **buffer, size_t *size, size_t max
   if (result != returnvalue::OK) {
     return result;
   }
-  if (pusParams.dataWrapper.type == ecss::DataTypes::RAW) {
+  if (pusParams.dataWrapper.type == util::DataTypes::RAW) {
     const uint8_t *data = pusParams.dataWrapper.dataUnion.raw.data;
     if (data != nullptr and userDataLen > 0) {
       std::memcpy(*buffer, data, userDataLen);
       *buffer += userDataLen;
       *size += userDataLen;
     }
-  } else if (pusParams.dataWrapper.type == ecss::DataTypes::SERIALIZABLE and
+  } else if (pusParams.dataWrapper.type == util::DataTypes::SERIALIZABLE and
              pusParams.dataWrapper.dataUnion.serializable != nullptr) {
     result = pusParams.dataWrapper.dataUnion.serializable->serialize(buffer, size, maxSize,
                                                                      streamEndianness);
diff --git a/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.h b/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.h
index 72691c40..4b0d81c8 100644
--- a/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.h
+++ b/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.h
@@ -7,6 +7,7 @@
 #include "fsfw/tmtcpacket/pus/CustomUserDataIF.h"
 #include "fsfw/tmtcpacket/pus/defs.h"
 #include "fsfw/tmtcpacket/pus/tc/PusTcIF.h"
+#include "fsfw/util/dataWrapper.h"
 
 struct PusTcParams {
   PusTcParams(uint8_t service_, uint8_t subservice_) : service(service_), subservice(subservice_) {}
@@ -15,7 +16,7 @@ struct PusTcParams {
   uint8_t subservice;
   uint8_t ackFlags = ecss::ACK_ALL;
   uint16_t sourceId = 0;
-  ecss::DataWrapper dataWrapper{};
+  util::DataWrapper dataWrapper{};
   uint8_t pusVersion = ecss::PusVersion::PUS_C;
 };
 
diff --git a/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.cpp b/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.cpp
index 80853221..b754e990 100644
--- a/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.cpp
+++ b/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.cpp
@@ -77,12 +77,12 @@ ReturnValue_t PusTmCreator::serialize(uint8_t** buffer, size_t* size, size_t max
     }
   }
 
-  if (pusParams.dataWrapper.type == ecss::DataTypes::RAW and
+  if (pusParams.dataWrapper.type == util::DataTypes::RAW and
       pusParams.dataWrapper.dataUnion.raw.data != nullptr) {
     std::memcpy(*buffer, pusParams.dataWrapper.dataUnion.raw.data, userDataLen);
     *buffer += userDataLen;
     *size += userDataLen;
-  } else if (pusParams.dataWrapper.type == ecss::DataTypes::SERIALIZABLE and
+  } else if (pusParams.dataWrapper.type == util::DataTypes::SERIALIZABLE and
              pusParams.dataWrapper.dataUnion.serializable != nullptr) {
     result = pusParams.dataWrapper.dataUnion.serializable->serialize(buffer, size, maxSize,
                                                                      streamEndianness);
diff --git a/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.h b/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.h
index 706a7b70..8fd4f690 100644
--- a/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.h
+++ b/src/fsfw/tmtcpacket/pus/tm/PusTmCreator.h
@@ -4,6 +4,7 @@
 #include "PusTmIF.h"
 #include "fsfw/tmtcpacket/ccsds/SpacePacketCreator.h"
 #include "fsfw/tmtcpacket/pus/CustomUserDataIF.h"
+#include "fsfw/util/dataWrapper.h"
 
 struct PusTmSecHeader {
   PusTmSecHeader() = default;
@@ -22,19 +23,19 @@ struct PusTmSecHeader {
 struct PusTmParams {
   PusTmParams() = default;
   explicit PusTmParams(PusTmSecHeader secHeader) : secHeader(secHeader){};
-  PusTmParams(PusTmSecHeader secHeader, ecss::DataWrapper dataWrapper)
+  PusTmParams(PusTmSecHeader secHeader, util::DataWrapper dataWrapper)
       : secHeader(secHeader), dataWrapper(dataWrapper) {}
 
   PusTmParams(uint8_t service, uint8_t subservice, TimeStamperIF* timeStamper)
       : secHeader(service, subservice, timeStamper) {}
 
   PusTmParams(uint8_t service, uint8_t subservice, TimeStamperIF* timeStamper,
-              ecss::DataWrapper dataWrapper_)
+              util::DataWrapper dataWrapper_)
       : PusTmParams(service, subservice, timeStamper) {
     dataWrapper = dataWrapper_;
   }
   PusTmSecHeader secHeader;
-  ecss::DataWrapper dataWrapper{};
+  util::DataWrapper dataWrapper{};
 };
 
 class TimeStamperIF;
diff --git a/src/fsfw/tmtcservices/VerificationCodes.h b/src/fsfw/tmtcservices/VerificationCodes.h
index 91b76bde..479074eb 100644
--- a/src/fsfw/tmtcservices/VerificationCodes.h
+++ b/src/fsfw/tmtcservices/VerificationCodes.h
@@ -5,7 +5,7 @@
 
 namespace tcverif {
 
-enum VerifFlags : uint8_t {
+enum VerificationFlags : uint8_t {
   NONE = 0b0000,
   ACCEPTANCE = 0b0001,
   START = 0b0010,
diff --git a/src/fsfw/tmtcservices/tmHelpers.h b/src/fsfw/tmtcservices/tmHelpers.h
index ab69c9c8..845a73b8 100644
--- a/src/fsfw/tmtcservices/tmHelpers.h
+++ b/src/fsfw/tmtcservices/tmHelpers.h
@@ -11,13 +11,13 @@ class DataWithObjectIdPrefix : public SerializeIF {
  public:
   DataWithObjectIdPrefix(object_id_t objectId, const uint8_t* srcData, size_t srcDataLen)
       : objectId(objectId) {
-    dataWrapper.type = ecss::DataTypes::RAW;
+    dataWrapper.type = util::DataTypes::RAW;
     dataWrapper.dataUnion.raw.data = srcData;
     dataWrapper.dataUnion.raw.len = srcDataLen;
   }
 
   DataWithObjectIdPrefix(object_id_t objectId, SerializeIF& serializable) : objectId(objectId) {
-    dataWrapper.type = ecss::DataTypes::SERIALIZABLE;
+    dataWrapper.type = util::DataTypes::SERIALIZABLE;
     dataWrapper.dataUnion.serializable = &serializable;
   }
 
@@ -26,11 +26,11 @@ class DataWithObjectIdPrefix : public SerializeIF {
     if (*size + getSerializedSize() > maxSize) {
       return SerializeIF::BUFFER_TOO_SHORT;
     }
-    if (dataWrapper.type != ecss::DataTypes::RAW) {
+    if (dataWrapper.type != util::DataTypes::RAW) {
       if ((dataWrapper.dataUnion.raw.data == nullptr) and (dataWrapper.dataUnion.raw.len > 0)) {
         return returnvalue::FAILED;
       }
-    } else if (dataWrapper.type == ecss::DataTypes::SERIALIZABLE) {
+    } else if (dataWrapper.type == util::DataTypes::SERIALIZABLE) {
       if (dataWrapper.dataUnion.serializable == nullptr) {
         return returnvalue::FAILED;
       }
@@ -40,7 +40,7 @@ class DataWithObjectIdPrefix : public SerializeIF {
     if (result != returnvalue::OK) {
       return result;
     }
-    if (dataWrapper.type != ecss::DataTypes::RAW) {
+    if (dataWrapper.type != util::DataTypes::RAW) {
       std::memcpy(*buffer, dataWrapper.dataUnion.raw.data, dataWrapper.dataUnion.raw.len);
       *buffer += dataWrapper.dataUnion.raw.len;
       *size += dataWrapper.dataUnion.raw.len;
@@ -63,7 +63,7 @@ class DataWithObjectIdPrefix : public SerializeIF {
 
  private:
   object_id_t objectId;
-  ecss::DataWrapper dataWrapper{};
+  util::DataWrapper dataWrapper{};
 };
 
 }  // namespace telemetry
diff --git a/src/fsfw/util/dataWrapper.h b/src/fsfw/util/dataWrapper.h
index 440f9501..fe973290 100644
--- a/src/fsfw/util/dataWrapper.h
+++ b/src/fsfw/util/dataWrapper.h
@@ -43,6 +43,7 @@ struct DataWrapper {
     }
     return false;
   }
+
   void setRawData(BufPairT bufPair) {
     type = DataTypes::RAW;
     dataUnion.raw.data = bufPair.first;
diff --git a/unittests/tmtcservices/testStoreAndSendHelper.cpp b/unittests/tmtcservices/testStoreAndSendHelper.cpp
index 4e1bb4fb..2731b28f 100644
--- a/unittests/tmtcservices/testStoreAndSendHelper.cpp
+++ b/unittests/tmtcservices/testStoreAndSendHelper.cpp
@@ -44,7 +44,7 @@ TEST_CASE("TM Store And Send Helper", "[tm-store-send-helper]") {
     REQUIRE(creator.getSubService() == 2);
     REQUIRE(creator.getService() == 17);
     auto& params = creator.getParams();
-    REQUIRE(params.dataWrapper.type == ecss::DataTypes::RAW);
+    REQUIRE(params.dataWrapper.type == util::DataTypes::RAW);
     REQUIRE(params.dataWrapper.dataUnion.raw.data == nullptr);
     REQUIRE(params.dataWrapper.dataUnion.raw.len == 0);
     REQUIRE(tmHelper.sendCounter == 0);
@@ -65,7 +65,7 @@ TEST_CASE("TM Store And Send Helper", "[tm-store-send-helper]") {
     REQUIRE(tmHelper.prepareTmPacket(2, data.data(), data.size()) == returnvalue::OK);
     auto& creator = storeHelper.getCreatorRef();
     auto& params = creator.getParams();
-    REQUIRE(params.dataWrapper.type == ecss::DataTypes::RAW);
+    REQUIRE(params.dataWrapper.type == util::DataTypes::RAW);
     REQUIRE(params.dataWrapper.dataUnion.raw.data == data.data());
     REQUIRE(params.dataWrapper.dataUnion.raw.len == data.size());
   }
@@ -75,7 +75,7 @@ TEST_CASE("TM Store And Send Helper", "[tm-store-send-helper]") {
     REQUIRE(tmHelper.prepareTmPacket(2, simpleSer) == returnvalue::OK);
     auto& creator = storeHelper.getCreatorRef();
     auto& params = creator.getParams();
-    REQUIRE(params.dataWrapper.type == ecss::DataTypes::SERIALIZABLE);
+    REQUIRE(params.dataWrapper.type == util::DataTypes::SERIALIZABLE);
     REQUIRE(params.dataWrapper.dataUnion.serializable == &simpleSer);
   }
 
@@ -86,7 +86,7 @@ TEST_CASE("TM Store And Send Helper", "[tm-store-send-helper]") {
     REQUIRE(tmHelper.prepareTmPacket(2, dataWithObjId) == returnvalue::OK);
     auto& creator = storeHelper.getCreatorRef();
     auto& params = creator.getParams();
-    REQUIRE(params.dataWrapper.type == ecss::DataTypes::SERIALIZABLE);
+    REQUIRE(params.dataWrapper.type == util::DataTypes::SERIALIZABLE);
     REQUIRE(params.dataWrapper.dataUnion.serializable == &dataWithObjId);
   }