needs some fixing

Reviewed-on: #113

src/fsfw/cfdp/handler/DestHandler.cpp

@@ -425,21 +425,31 @@ ReturnValue_t cfdp::DestHandler::sendFinishedPdu() {
   store_address_t storeId;
   uint8_t* dataPtr = nullptr;
   ReturnValue_t result =
-      fp.tcStore->getFreeElement(&storeId, finishedPdu.getSerializedSize(), &dataPtr);
+      fp.tmStore->getFreeElement(&storeId, finishedPdu.getSerializedSize(), &dataPtr);
   if (result != OK) {
-    // TODO: Error handling and event, this is a non CFDP specific error (most likely store is full)
+#if FSFW_CPP_OSTREAM_ENABLED == 1
+    sif::warning << "cfdp::DestHandler:sendFinishedPdu: Getting store slot failed" << std::endl;
+#endif
+    fp.eventReporter->forwardEvent(events::STORE_ERROR, result, 0);
     return result;
   }
   size_t serLen = 0;
   result = finishedPdu.serialize(dataPtr, serLen, finishedPdu.getSerializedSize());
   if (result != OK) {
-    // TODO: Error printout, this really should not happen
+#if FSFW_CPP_OSTREAM_ENABLED == 1
+    sif::warning << "cfdp::DestHandler::sendFinishedPdu: Serializing Finished PDU failed"
+                 << std::endl;
+#endif
+    fp.eventReporter->forwardEvent(events::SERIALIZATION_ERROR, result, 0);
     return result;
   }
   TmTcMessage msg(storeId);
   result = fp.msgQueue->sendMessage(fp.packetDest.getReportReceptionQueue(), &msg);
   if (result != OK) {
-    // TODO: Error handling and event, this is a non CFDP specific error (most likely store is full)
+#if FSFW_CPP_OSTREAM_ENABLED == 1
+    sif::warning << "cfdp::DestHandler::sendFinishedPdu: Sending PDU failed" << std::endl;
+#endif
+    fp.eventReporter->forwardEvent(events::MSG_QUEUE_ERROR, result, 0);
     return result;
   }
   fsmRes.packetsSent++;

src/fsfw/cfdp/handler/defs.h

@@ -5,5 +5,15 @@ namespace cfdp {
 
 enum class CfdpStates { IDLE, BUSY_CLASS_1_NACKED, BUSY_CLASS_2_ACKED, SUSPENDED };
 
-}
+static constexpr uint8_t SSID = SUBSYSTEM_ID::CFDP;
+
+namespace events {
+
+static constexpr Event STORE_ERROR = event::makeEvent(SSID, 0, severity::LOW);
+static constexpr Event MSG_QUEUE_ERROR = event::makeEvent(SSID, 1, severity::LOW);
+static constexpr Event SERIALIZATION_ERROR = event::makeEvent(SSID, 2, severity::LOW);
+
+}  // namespace events
+
+}  // namespace cfdp
 #endif  // FSFW_CFDP_HANDLER_DEFS_H

src/fsfw/cfdp/pdu/FinishedPduCreator.cpp

@@ -17,7 +17,7 @@ ReturnValue_t FinishPduCreator::serialize(uint8_t **buffer, size_t *size, size_t
   if (result != returnvalue::OK) {
     return result;
   }
-  if (*size + 1 >= maxSize) {
+  if (*size + 1 > maxSize) {
     return SerializeIF::BUFFER_TOO_SHORT;
   }
   **buffer = finishInfo.getConditionCode() << 4 | finishInfo.getDeliveryCode() << 2 |

src/fsfw/devicehandlers/DeviceHandlerBase.cpp

@@ -467,7 +467,7 @@ ReturnValue_t DeviceHandlerBase::insertInCommandMap(DeviceCommandId_t deviceComm
   info.expectedReplies = 0;
   info.isExecuting = false;
   info.sendReplyTo = NO_COMMANDER;
-  info.useAlternativeReplyId = alternativeReplyId;
+  info.useAlternativeReplyId = useAlternativeReply;
   info.alternativeReplyId = alternativeReplyId;
   auto resultPair = deviceCommandMap.emplace(deviceCommand, info);
   if (resultPair.second) {
@@ -1601,3 +1601,14 @@ void DeviceHandlerBase::disableCommandsAndReplies() {
     }
   }
 }
+
+ReturnValue_t DeviceHandlerBase::finishAction(bool success, DeviceCommandId_t action,
+		ReturnValue_t result) {
+	  auto commandIter = deviceCommandMap.find(action);
+	  if (commandIter == deviceCommandMap.end()) {
+	    return MessageQueueIF::NO_QUEUE;
+	  }
+	  commandIter->second.isExecuting = false;
+	  actionHelper.finish(success, commandIter->second.sendReplyTo, action, result);
+	  return returnvalue::OK;
+}

src/fsfw/devicehandlers/DeviceHandlerBase.h

@@ -399,6 +399,8 @@ class DeviceHandlerBase : public DeviceHandlerIF,
    */
   virtual ReturnValue_t interpretDeviceReply(DeviceCommandId_t id, const uint8_t *packet) = 0;
   MessageQueueId_t getCommanderQueueId(DeviceCommandId_t replyId) const;
+  ReturnValue_t finishAction(bool success, DeviceCommandId_t action, ReturnValue_t result);
+
   /**
    * Helper function to get pending command. This is useful for devices
    * like SPI sensors to identify the last sent command.
@@ -1138,6 +1140,22 @@ class DeviceHandlerBase : public DeviceHandlerIF,
    */
   virtual ReturnValue_t doSendReadHook();
 
+  /**
+   * Send a RMAP getRead command.
+   *
+   * The size of the getRead command is #maxDeviceReplyLen.
+   * This is always executed, independently from the current mode.
+   */
+  virtual void doSendRead(void);
+  /**
+   * Check the getRead reply and the contained data.
+   *
+   * If data was received scanForReply() and, if successful, handleReply()
+   * are called. If the current mode is @c MODE_RAW, the received packet
+   * is sent to the commanding object via commandQueue.
+   */
+  virtual void doGetRead();
+
  private:
   /**
    * State a cookie is in.
@@ -1273,21 +1291,6 @@ class DeviceHandlerBase : public DeviceHandlerIF,
    * - if the action was successful, the reply timout counter is initialized
    */
   void doGetWrite(void);
-  /**
-   * Send a RMAP getRead command.
-   *
-   * The size of the getRead command is #maxDeviceReplyLen.
-   * This is always executed, independently from the current mode.
-   */
-  void doSendRead(void);
-  /**
-   * Check the getRead reply and the contained data.
-   *
-   * If data was received scanForReply() and, if successful, handleReply()
-   * are called. If the current mode is @c MODE_RAW, the received packet
-   * is sent to the commanding object via commandQueue.
-   */
-  void doGetRead(void);
 
   /**
    * @brief Resets replies which use a timeout to detect missed replies.

src/fsfw/events/fwSubsystemIdRanges.h

@@ -33,6 +33,7 @@ enum : uint8_t {
   PUS_SERVICE_23 = 103,
   MGM_LIS3MDL = 106,
   MGM_RM3100 = 107,
+  CFDP = 108,
 
   FW_SUBSYSTEM_ID_RANGE
 };

src/fsfw/globalfunctions/DleParser.cpp

@@ -3,159 +3,95 @@
 #include <fsfw/serviceinterface/ServiceInterface.h>
 
 #include <cstdio>
+#include <fstream>
+#include <iostream>
 
 DleParser::DleParser(SimpleRingBuffer& decodeRingBuf, DleEncoder& decoder, BufPair encodedBuf,
-                     BufPair decodedBuf, UserHandler handler, void* args)
+                     BufPair decodedBuf)
     : decodeRingBuf(decodeRingBuf),
       decoder(decoder),
       encodedBuf(encodedBuf),
-      decodedBuf(decodedBuf),
-      handler(handler),
-      ctx(args) {
-  if (handler == nullptr) {
-#if FSFW_CPP_OSTREAM_ENABLED == 1
-    sif::error << "DleParser::DleParser: Invalid user handler" << std::endl;
-#else
-    sif::printError("DleParser::DleParser: Invalid user handler\n");
-#endif
-  }
+      decodedBuf(decodedBuf) {
 }
 
-ReturnValue_t DleParser::passData(uint8_t* data, size_t len) {
-  if (data == nullptr or len == 0 or handler == nullptr) {
+ReturnValue_t DleParser::passData(const uint8_t* data, size_t len) {
+  if (data == nullptr or len == 0) {
     return returnvalue::FAILED;
   }
-  size_t copyIntoRingBufFromHere = 0;
-  size_t copyAmount = len;
-  size_t startIdx = 0;
-  ReturnValue_t result = returnvalue::OK;
-  bool startFoundInThisPacket = false;
-  for (size_t idx = 0; idx < len; idx++) {
-    if (data[idx] == DleEncoder::STX_CHAR) {
-      if (not startFound and not startFoundInThisPacket) {
-        startIdx = idx;
-        copyIntoRingBufFromHere = idx;
-        copyAmount = len - idx;
+  return decodeRingBuf.writeData(data, len);
+}
+
+ReturnValue_t DleParser::parseRingBuf(size_t& readSize) {
+  ctx.setType(DleParser::ContextType::NONE);
+  size_t availableData = decodeRingBuf.getAvailableReadData();
+  if(availableData == 0) {
+    return NO_PACKET_FOUND;
+  }
+  if (availableData > encodedBuf.second) {
+    ErrorInfo info;
+    info.len = decodeRingBuf.getAvailableReadData();
+    setErrorContext(ErrorTypes::DECODING_BUF_TOO_SMALL, info);
+    return returnvalue::FAILED;
+  }
+  ReturnValue_t result = decodeRingBuf.readData(encodedBuf.first, availableData);
+  if (result != returnvalue::OK) {
+    ErrorInfo info;
+    info.res = result;
+    setErrorContext(ErrorTypes::RING_BUF_ERROR, info);
+    return result;
+  }
+  bool stxFound = false;
+  size_t stxIdx = 0;
+  for (size_t vectorIdx = 0; vectorIdx < availableData; vectorIdx++) {
+    // handle STX char
+    if (encodedBuf.first[vectorIdx] == DleEncoder::STX_CHAR) {
+      if (not stxFound) {
+        stxFound = true;
+        stxIdx = vectorIdx;
       } else {
-        // Maybe print warning, should not happen
-        decodeRingBuf.clear();
+        // might be lost packet, so we should advance the read pointer
+        // without skipping the STX
+        readSize = vectorIdx;
         ErrorInfo info;
-        info.len = idx;
-        prepareErrorContext(ErrorTypes::CONSECUTIVE_STX_CHARS, info);
-        handler(ctx);
-        copyIntoRingBufFromHere = idx;
-        copyAmount = len - idx;
+        setErrorContext(ErrorTypes::CONSECUTIVE_STX_CHARS, info);
+        return POSSIBLE_PACKET_LOSS;
       }
-      startFound = true;
-      startFoundInThisPacket = true;
-    } else if (data[idx] == DleEncoder::ETX_CHAR) {
-      if (startFoundInThisPacket) {
-        size_t readLen = 0;
+    }
+    // handle ETX char
+    if (encodedBuf.first[vectorIdx] == DleEncoder::ETX_CHAR) {
+      if (stxFound) {
+        // This is propably a packet, so we decode it.
         size_t decodedLen = 0;
-        result = decoder.decode(data + startIdx, idx + 1 - startIdx, &readLen, decodedBuf.first,
-                                decodedBuf.second, &decodedLen);
+        size_t dummy = 0;
+
+        ReturnValue_t result =
+            decoder.decode(&encodedBuf.first[stxIdx], availableData - stxIdx, &dummy,
+                           decodedBuf.first, decodedBuf.second, &decodedLen);
         if (result == returnvalue::OK) {
           ctx.setType(ContextType::PACKET_FOUND);
           ctx.decodedPacket.first = decodedBuf.first;
           ctx.decodedPacket.second = decodedLen;
-          this->handler(ctx);
-        } else if (result == DleEncoder::STREAM_TOO_SHORT) {
+          readSize = ++vectorIdx;
+          return returnvalue::OK;
+        } else {
+          // invalid packet, skip.
+          readSize = ++vectorIdx;
           ErrorInfo info;
           info.res = result;
-          prepareErrorContext(ErrorTypes::DECODING_BUF_TOO_SMALL, info);
-          handler(ctx);
-        } else {
-          ErrorInfo info;
-          info.res = result;
-          prepareErrorContext(ErrorTypes::DECODING_BUF_TOO_SMALL, info);
-          handler(ctx);
-        }
-        decodeRingBuf.clear();
-        if ((idx + 1) < len) {
-          copyIntoRingBufFromHere = idx + 1;
-          copyAmount = len - idx - 1;
-        } else {
-          copyAmount = 0;
-        }
-      } else if (startFound) {
-        // ETX found but STX was found in another mini packet. Reconstruct the full packet
-        // to decode it
-        result = decodeRingBuf.writeData(data, idx + 1);
-        if (result != returnvalue::OK) {
-          ErrorInfo info;
-          info.res = result;
-          prepareErrorContext(ErrorTypes::RING_BUF_ERROR, info);
-          handler(ctx);
-        }
-        size_t fullEncodedLen = decodeRingBuf.getAvailableReadData();
-        if (fullEncodedLen > encodedBuf.second) {
-          ErrorInfo info;
-          info.len = fullEncodedLen;
-          prepareErrorContext(ErrorTypes::ENCODED_BUF_TOO_SMALL, info);
-          handler(ctx);
-          decodeRingBuf.clear();
-        } else {
-          size_t decodedLen = 0;
-          size_t readLen = 0;
-          decodeRingBuf.readData(encodedBuf.first, fullEncodedLen, true);
-          result = decoder.decode(encodedBuf.first, fullEncodedLen, &readLen, decodedBuf.first,
-                                  decodedBuf.second, &decodedLen);
-          if (result == returnvalue::OK) {
-            if (this->handler != nullptr) {
-              ctx.setType(ContextType::PACKET_FOUND);
-              ctx.decodedPacket.first = decodedBuf.first;
-              ctx.decodedPacket.second = decodedLen;
-              this->handler(ctx);
-            }
-          } else if (result == DleEncoder::STREAM_TOO_SHORT) {
-            ErrorInfo info;
-            info.res = result;
-            prepareErrorContext(ErrorTypes::DECODING_BUF_TOO_SMALL, info);
-            handler(ctx);
-          } else {
-            ErrorInfo info;
-            info.res = result;
-            prepareErrorContext(ErrorTypes::DECODE_ERROR, info);
-            handler(ctx);
-          }
-          decodeRingBuf.clear();
-          startFound = false;
-          startFoundInThisPacket = false;
-          if ((idx + 1) < len) {
-            copyIntoRingBufFromHere = idx + 1;
-            copyAmount = len - idx - 1;
-          } else {
-            copyAmount = 0;
-          }
+          setErrorContext(ErrorTypes::DECODE_ERROR, info);
+          return POSSIBLE_PACKET_LOSS;
         }
       } else {
-        // End data without preceeding STX
+        // might be lost packet, so we should advance the read pointer
+        readSize = ++vectorIdx;
         ErrorInfo info;
-        info.len = idx + 1;
-        prepareErrorContext(ErrorTypes::CONSECUTIVE_ETX_CHARS, info);
-        handler(ctx);
-        decodeRingBuf.clear();
-        if ((idx + 1) < len) {
-          copyIntoRingBufFromHere = idx + 1;
-          copyAmount = len - idx - 1;
-        } else {
-          copyAmount = 0;
-        }
+        info.len = 0;
+        setErrorContext(ErrorTypes::CONSECUTIVE_ETX_CHARS, info);
+        return POSSIBLE_PACKET_LOSS;
       }
-      startFoundInThisPacket = false;
-      startFound = false;
     }
   }
-  if (copyAmount > 0) {
-    result = decodeRingBuf.writeData(data + copyIntoRingBufFromHere, copyAmount);
-    if (result != returnvalue::OK) {
-      ErrorInfo info;
-      info.res = result;
-      prepareErrorContext(ErrorTypes::RING_BUF_ERROR, info);
-      handler(ctx);
-    }
-  }
-  return returnvalue::OK;
+  return NO_PACKET_FOUND;
 }
 
 void DleParser::defaultFoundPacketHandler(uint8_t* packet, size_t len, void* args) {
@@ -169,8 +105,12 @@ void DleParser::defaultFoundPacketHandler(uint8_t* packet, size_t len, void* arg
 #endif
 }
 
-void DleParser::defaultErrorHandler(ErrorTypes err, ErrorInfo ctx) {
-  switch (err) {
+void DleParser::defaultErrorHandler() {
+  if(ctx.getType() != DleParser::ContextType::ERROR) {
+    errorPrinter("No error");
+    return;
+  }
+  switch (ctx.error.first) {
     case (ErrorTypes::NONE): {
       errorPrinter("No error");
       break;
@@ -186,8 +126,8 @@ void DleParser::defaultErrorHandler(ErrorTypes err, ErrorInfo ctx) {
     case (ErrorTypes::ENCODED_BUF_TOO_SMALL):
     case (ErrorTypes::DECODING_BUF_TOO_SMALL): {
       char opt[64];
-      snprintf(opt, sizeof(opt), ": Too small for packet with length %zu", ctx.len);
-      if (err == ErrorTypes::ENCODED_BUF_TOO_SMALL) {
+      snprintf(opt, sizeof(opt), ": Too small for packet with length %zu", ctx.decodedPacket.second);
+      if (ctx.error.first == ErrorTypes::ENCODED_BUF_TOO_SMALL) {
         errorPrinter("Encoded buf too small", opt);
       } else {
         errorPrinter("Decoding buf too small", opt);
@@ -218,13 +158,20 @@ void DleParser::errorPrinter(const char* str, const char* opt) {
 #endif
 }
 
-void DleParser::prepareErrorContext(ErrorTypes err, ErrorInfo info) {
+void DleParser::setErrorContext(ErrorTypes err, ErrorInfo info) {
   ctx.setType(ContextType::ERROR);
   ctx.error.first = err;
   ctx.error.second = info;
 }
 
+ReturnValue_t DleParser::confirmBytesRead(size_t bytesRead) {
+  return decodeRingBuf.deleteData(bytesRead);
+}
+
+const DleParser::Context& DleParser::getContext() {
+  return ctx;
+}
+
 void DleParser::reset() {
-  startFound = false;
   decodeRingBuf.clear();
 }

src/fsfw/globalfunctions/DleParser.h

@@ -18,9 +18,11 @@
  */
 class DleParser {
  public:
+  static constexpr ReturnValue_t NO_PACKET_FOUND = returnvalue::makeCode(1, 1);
+  static constexpr ReturnValue_t POSSIBLE_PACKET_LOSS = returnvalue::makeCode(1, 2);
   using BufPair = std::pair<uint8_t*, size_t>;
 
-  enum class ContextType { PACKET_FOUND, ERROR };
+  enum class ContextType { NONE, PACKET_FOUND, ERROR };
 
   enum class ErrorTypes {
     NONE,
@@ -41,7 +43,7 @@ class DleParser {
 
   struct Context {
    public:
-    Context(void* args) : userArgs(args) { setType(ContextType::PACKET_FOUND); }
+    Context() { setType(ContextType::PACKET_FOUND); }
 
     void setType(ContextType type) {
       this->type = type;
@@ -58,14 +60,11 @@ class DleParser {
 
     BufPair decodedPacket = {};
     ErrorPair error;
-    void* userArgs;
 
    private:
     ContextType type;
   };
 
-  using UserHandler = void (*)(const Context& ctx);
-
   /**
    * Base class constructor
    * @param decodeRingBuf Ring buffer used to store multiple packets to allow detecting DLE packets
@@ -79,7 +78,7 @@ class DleParser {
    * @param args Arbitrary user argument
    */
   DleParser(SimpleRingBuffer& decodeRingBuf, DleEncoder& decoder, BufPair encodedBuf,
-            BufPair decodedBuf, UserHandler handler, void* args);
+            BufPair decodedBuf);
 
   /**
    * This function allows to pass new data into the parser. It then scans for DLE packets
@@ -88,8 +87,13 @@ class DleParser {
    * @param len
    * @return
    */
-  ReturnValue_t passData(uint8_t* data, size_t len);
+  ReturnValue_t passData(const uint8_t* data, size_t len);
 
+  ReturnValue_t parseRingBuf(size_t& bytesRead);
+
+  ReturnValue_t confirmBytesRead(size_t bytesRead);
+
+  const Context& getContext();
   /**
    * Example found packet handler
    * function call
@@ -104,11 +108,11 @@ class DleParser {
    *  - For buffer length errors, will be set to the detected packet length which is too large
    *  - For decode or ring buffer errors, will be set to the result returned from the failed call
    */
-  static void defaultErrorHandler(ErrorTypes err, ErrorInfo ctx);
+  void defaultErrorHandler();
 
   static void errorPrinter(const char* str, const char* opt = nullptr);
 
-  void prepareErrorContext(ErrorTypes err, ErrorInfo ctx);
+  void setErrorContext(ErrorTypes err, ErrorInfo ctx);
   /**
    * Resets the parser by resetting the internal states and clearing the decoding ring buffer
    */
@@ -119,7 +123,5 @@ class DleParser {
   DleEncoder& decoder;
   BufPair encodedBuf;
   BufPair decodedBuf;
-  UserHandler handler = nullptr;
   Context ctx;
-  bool startFound = false;
 };

src/fsfw/pus/Service5EventReporting.cpp

@@ -15,8 +15,8 @@ Service5EventReporting::Service5EventReporting(PsbParams params, size_t maxNumbe
       maxNumberReportsPerCycle(maxNumberReportsPerCycle) {
   auto mqArgs = MqArgs(getObjectId(), static_cast<void*>(this));
   psbParams.name = "PUS 5 Event Reporting";
-  eventQueue = QueueFactory::instance()->createMessageQueue(messageQueueDepth,
-    MessageQueueMessage::MAX_MESSAGE_SIZE, &mqArgs);
+  eventQueue = QueueFactory::instance()->createMessageQueue(
+      messageQueueDepth, MessageQueueMessage::MAX_MESSAGE_SIZE, &mqArgs);
 }
 
 Service5EventReporting::~Service5EventReporting() {

src/fsfw/tmstorage/TmStoreFrontendIF.h

@@ -6,47 +6,12 @@
 #include "fsfw/returnvalues/returnvalue.h"
 #include "tmStorageConf.h"
 
-class TmPacketMinimal;
-class SpacePacketBase;
+class PusTmReader;
+class SpacePacketReader;
 class TmStoreBackendIF;
 
 class TmStoreFrontendIF {
  public:
-  virtual TmStoreBackendIF* getBackend() const = 0;
-
-  /**
-   * What do I need to implement here?
-   * This is propably used by PUS Service 15 so we should propably check for messages..
-   * Provide base implementation?
-   * @param opCode
-   * @return
-   */
-  virtual ReturnValue_t performOperation(uint8_t opCode) = 0;
-  /**
-   * Callback from the back-end to indicate a certain packet was received.
-   * front-end takes care of discarding/downloading the packet.
-   * @param packet	Pointer to the newly received Space Packet.
-   * @param address	Start address of the packet found
-   * @param isLastPacket	Indicates if no more packets can be fetched.
-   * @return	If more packets shall be fetched, returnvalue::OK must be returned.
-   * 			Any other code stops fetching packets.
-   */
-  virtual ReturnValue_t packetRetrieved(TmPacketMinimal* packet, uint32_t address) = 0;
-  virtual void noMorePacketsInStore() = 0;
-  virtual void handleRetrievalFailed(ReturnValue_t errorCode, uint32_t parameter1 = 0,
-                                     uint32_t parameter2 = 0) = 0;
-  /**
-   * To get the queue where commands shall be sent.
-   * @return	Id of command queue.
-   */
-  virtual MessageQueueId_t getCommandQueue() const = 0;
-  virtual ReturnValue_t fetchPackets(ApidSsc start, ApidSsc end) = 0;
-  virtual ReturnValue_t deletePackets(ApidSsc upTo) = 0;
-  virtual ReturnValue_t checkPacket(SpacePacketBase* tmPacket) = 0;
-  virtual bool isEnabled() const = 0;
-  virtual void setEnabled(bool enabled) = 0;
-  virtual void resetDownlinkedPacketCount() = 0;
-  virtual ReturnValue_t setDumpTarget(object_id_t dumpTarget) = 0;
   static const uint8_t INTERFACE_ID = CLASS_ID::TM_STORE_FRONTEND_IF;
   static const ReturnValue_t BUSY = MAKE_RETURN_CODE(1);
   static const ReturnValue_t LAST_PACKET_FOUND = MAKE_RETURN_CODE(2);
@@ -57,7 +22,38 @@ class TmStoreFrontendIF {
   static const ReturnValue_t ALL_DELETED = MAKE_RETURN_CODE(7);
   static const ReturnValue_t INVALID_DATA = MAKE_RETURN_CODE(8);
   static const ReturnValue_t NOT_READY = MAKE_RETURN_CODE(9);
-  virtual ~TmStoreFrontendIF() {}
+
+  virtual ~TmStoreFrontendIF() = default;
+
+  /**
+   * To get the queue where commands shall be sent.
+   * @return  Id of command queue.
+   */
+  virtual MessageQueueId_t getCommandQueue() const = 0;
+
+  virtual TmStoreBackendIF* getBackend() const = 0;
+
+  /**
+   * Callback from the back-end to indicate a certain packet was received.
+   * front-end takes care of discarding/downloading the packet.
+   * @param packet	Pointer to the newly received Space Packet.
+   * @param address	Start address of the packet found
+   * @param isLastPacket	Indicates if no more packets can be fetched.
+   * @return	If more packets shall be fetched, returnvalue::OK must be returned.
+   * 			Any other code stops fetching packets.
+   */
+  virtual ReturnValue_t packetRetrieved(PusTmReader* packet, uint32_t address) = 0;
+  virtual void noMorePacketsInStore() = 0;
+  virtual void handleRetrievalFailed(ReturnValue_t errorCode, uint32_t parameter1 = 0,
+                                     uint32_t parameter2 = 0) = 0;
+
+  virtual ReturnValue_t fetchPackets(ApidSsc start, ApidSsc end) = 0;
+  virtual ReturnValue_t deletePackets(ApidSsc upTo) = 0;
+  virtual ReturnValue_t checkPacket(SpacePacketReader* tmPacket) = 0;
+  virtual bool isEnabled() const = 0;
+  virtual void setEnabled(bool enabled) = 0;
+  virtual void resetDownlinkedPacketCount() = 0;
+  virtual ReturnValue_t setDumpTarget(object_id_t dumpTarget) = 0;
 };
 
 #endif /* FSFW_TMTCSERVICES_TMSTOREFRONTENDIF_H_ */

src/fsfw/tmstorage/TmStoreFrontendSimpleIF.h

@@ -0,0 +1,15 @@
+#ifndef FSFW_SRC_FSFW_TMSTORAGE_TMSTOREBACKENDSIMPLEIF_H_
+#define FSFW_SRC_FSFW_TMSTORAGE_TMSTOREBACKENDSIMPLEIF_H_
+
+#include <fsfw/ipc/messageQueueDefinitions.h>
+
+class TmStoreFrontendSimpleIF {
+public:
+  virtual ~TmStoreFrontendSimpleIF() = default;
+private:
+  virtual MessageQueueId_t getCommandQueue() const = 0;
+};
+
+
+
+#endif /* FSFW_SRC_FSFW_TMSTORAGE_TMSTOREBACKENDSIMPLEIF_H_ */

src/fsfw/tmstorage/TmStorePackets.h

@@ -1,6 +1,7 @@
 #ifndef FSFW_TMSTORAGE_TMSTOREPACKETS_H_
 #define FSFW_TMSTORAGE_TMSTOREPACKETS_H_
 
+#include <fsfw/tmtcpacket/pus/tm/PusTmReader.h>
 #include "fsfw/globalfunctions/timevalOperations.h"
 #include "fsfw/serialize/SerialBufferAdapter.h"
 #include "fsfw/serialize/SerialFixedArrayListAdapter.h"
@@ -11,6 +12,8 @@
 #include "fsfw/tmtcpacket/pus/tm/PusTmMinimal.h"
 #include "tmStorageConf.h"
 
+#include <vector>
+
 class ServiceSubservice : public SerialLinkedListAdapter<SerializeIF> {
  public:
   SerializeElement<uint8_t> service;
@@ -24,7 +27,7 @@ class ServiceSubservice : public SerialLinkedListAdapter<SerializeIF> {
 
 class ApidSsc : public SerializeIF {
  public:
-  ApidSsc() : apid(SpacePacketBase::LIMIT_APID), ssc(0) {}
+  ApidSsc() : apid(ccsds::LIMIT_APID), ssc(0) {}
   ApidSsc(uint16_t apid, uint16_t ssc) : apid(apid), ssc(ssc) {}
   uint16_t apid;
   uint16_t ssc;
@@ -62,51 +65,57 @@ class ChangeSelectionDefinition : public SerialLinkedListAdapter<SerializeIF> {
 
 class TmPacketInformation : public SerializeIF {
  public:
-  TmPacketInformation(TmPacketMinimal* packet) { setContent(packet); }
-  TmPacketInformation()
-      : apid(SpacePacketBase::LIMIT_APID),
+  TmPacketInformation(PusTmReader* packet, size_t timestampLen)
+  : rawTimestamp(timestampLen) { setContent(packet); }
+  TmPacketInformation(size_t timestampLen)
+      : apid(ccsds::LIMIT_APID),
         sourceSequenceCount(0),
         serviceType(0),
         serviceSubtype(0),
-        subCounter(0) {}
+        subCounter(0),
+        rawTimestamp(timestampLen) {}
   void reset() {
-    apid = SpacePacketBase::LIMIT_APID;
+    apid = ccsds::LIMIT_APID;
     sourceSequenceCount = 0;
     serviceType = 0;
     serviceSubtype = 0;
     subCounter = 0;
-    memset(rawTimestamp, 0, sizeof(rawTimestamp));
+    memset(rawTimestamp.data(), 0, rawTimestamp.size());
   }
-  void setContent(TmPacketMinimal* packet) {
-    apid = packet->getAPID();
-    sourceSequenceCount = packet->getPacketSequenceCount();
+  void setContent(PusTmReader* packet) {
+    apid = packet->getApid();
+    sourceSequenceCount = packet->getSequenceCount();
     serviceType = packet->getService();
     serviceSubtype = packet->getSubService();
-    subCounter = packet->getPacketSubcounter();
-    memset(rawTimestamp, 0, sizeof(rawTimestamp));
-    const uint8_t* pField = NULL;
-    uint32_t size = 0;
-    ReturnValue_t result = packet->getPacketTimeRaw(&pField, &size);
-    if (result != returnvalue::OK) {
-      return;
-    }
-    if (*pField == CCSDSTime::P_FIELD_CDS_SHORT && size <= TimeStamperIF::MISSION_TIMESTAMP_SIZE) {
+    subCounter = packet->getMessageTypeCounter();
+    memset(rawTimestamp.data(), 0, rawTimestamp.size());
+    // TODO: Fix all of this
+    //const uint8_t* pField = NULL;
+    //uint32_t size = 0;
+    //auto* timeReader = packet->getTimeReader();
+    //ReturnValue_t result = packet->getPacketTimeRaw(&pField, &size);
+    //if (result != returnvalue::OK) {
+     // return;
+    //}
+    //if (*pField == CCSDSTime::P_FIELD_CDS_SHORT && size <= TimeStamperIF::MISSION_TIMESTAMP_SIZE) {
       // Shortcut to avoid converting CDS back and forth.
-      memcpy(rawTimestamp, pField, size);
-      return;
-    }
-    timeval time = {0, 0};
-    result = packet->getPacketTime(&time);
-    if (result != returnvalue::OK) {
-      return;
-    }
-
-    CCSDSTime::CDS_short cdsFormat;
-    result = CCSDSTime::convertToCcsds(&cdsFormat, &time);
-    if (result != returnvalue::OK) {
-      return;
-    }
-    memcpy(rawTimestamp, &cdsFormat, sizeof(cdsFormat));
+      // TODO: Fix
+      //memcpy(rawTimestamp, pField, size);
+//      return;
+//    }
+//    timeval time = {0, 0};
+//    result = packet->getPacketTime(&time);
+//    if (result != returnvalue::OK) {
+//      return;
+//    }
+//
+//    CCSDSTime::CDS_short cdsFormat;
+//    result = CCSDSTime::convertToCcsds(&cdsFormat, &time);
+//    if (result != returnvalue::OK) {
+//      return;
+//    }
+    // TODO: Fix
+    // memcpy(rawTimestamp, &cdsFormat, sizeof(cdsFormat));
   }
   void setContent(TmPacketInformation* content) {
     apid = content->apid;
@@ -114,9 +123,10 @@ class TmPacketInformation : public SerializeIF {
     serviceType = content->serviceType;
     serviceSubtype = content->serviceSubtype;
     subCounter = content->subCounter;
-    memcpy(rawTimestamp, content->rawTimestamp, sizeof(rawTimestamp));
+    // TODO: Fix
+    // memcpy(rawTimestamp, content->rawTimestamp, sizeof(rawTimestamp));
   }
-  bool isValid() const { return (apid < SpacePacketBase::LIMIT_APID) ? true : false; }
+  bool isValid() const { return (apid < ccsds::LIMIT_APID) ? true : false; }
   static void reset(TmPacketInformation* packet) { packet->reset(); }
 
   static bool isOlderThan(const TmPacketInformation* packet, const timeval* cmpTime) {
@@ -216,7 +226,7 @@ class TmPacketInformation : public SerializeIF {
     if (result != returnvalue::OK) {
       return result;
     }
-    SerialBufferAdapter<uint8_t> adapter(rawTimestamp, sizeof(rawTimestamp));
+    SerialBufferAdapter<uint8_t> adapter(rawTimestamp.data(), rawTimestamp.size());
     return adapter.serialize(buffer, size, maxSize, streamEndianness);
   }
 
@@ -227,7 +237,7 @@ class TmPacketInformation : public SerializeIF {
     size += SerializeAdapter::getSerializedSize(&serviceType);
     size += SerializeAdapter::getSerializedSize(&serviceSubtype);
     size += SerializeAdapter::getSerializedSize(&subCounter);
-    SerialBufferAdapter<uint8_t> adapter(rawTimestamp, sizeof(rawTimestamp));
+    SerialBufferAdapter<uint8_t> adapter(rawTimestamp.data(), rawTimestamp.size());
     size += adapter.getSerializedSize();
     return size;
   };
@@ -253,7 +263,7 @@ class TmPacketInformation : public SerializeIF {
     if (result != returnvalue::OK) {
       return result;
     }
-    SerialBufferAdapter<uint8_t> adapter(rawTimestamp, sizeof(rawTimestamp));
+    SerialBufferAdapter<uint8_t> adapter(rawTimestamp.data(), rawTimestamp.size());
     return adapter.deSerialize(buffer, size, streamEndianness);
   }
 
@@ -263,6 +273,6 @@ class TmPacketInformation : public SerializeIF {
   uint8_t serviceType;
   uint8_t serviceSubtype;
   uint8_t subCounter;
-  uint8_t rawTimestamp[TimeStamperIF::MISSION_TIMESTAMP_SIZE];
+  std::vector<uint8_t> rawTimestamp;
 };
 #endif /* FSFW_TMSTORAGE_TMSTOREPACKETS_H_ */

src/fsfw/tmtcpacket/ccsds/SpacePacketCreator.cpp

@@ -14,6 +14,7 @@ SpacePacketCreator::SpacePacketCreator(ccsds::PacketType packetType, bool secHea
     : params(SpacePacketParams(PacketId(packetType, secHeaderFlag, apid),
                                PacketSeqCtrl(seqFlags, seqCount), dataLen)) {
   params.version = version;
+  checkFieldValidity();
 }
 
 uint16_t SpacePacketCreator::getPacketIdRaw() const { return params.packetId.raw(); }

src/fsfw/tmtcservices/AcceptsTelemetryIF.h

@@ -21,9 +21,9 @@ class AcceptsTelemetryIF {
    * 			receiving message queue.
    * @return	The telemetry reception message queue id.
    */
-  virtual MessageQueueId_t getReportReceptionQueue(uint8_t virtualChannel) = 0;
+  [[nodiscard]] virtual MessageQueueId_t getReportReceptionQueue(uint8_t virtualChannel) const = 0;
 
-  virtual MessageQueueId_t getReportReceptionQueue() { return getReportReceptionQueue(0); }
+  [[nodiscard]] virtual MessageQueueId_t getReportReceptionQueue() const { return getReportReceptionQueue(0); }
 };
 
 #endif /* FSFW_TMTCSERVICES_ACCEPTSTELEMETRYIF_H_ */

src/fsfw/tmtcservices/TmTcBridge.cpp

@@ -245,7 +245,7 @@ void TmTcBridge::registerCommDisconnect() {
   }
 }
 
-MessageQueueId_t TmTcBridge::getReportReceptionQueue(uint8_t virtualChannel) {
+MessageQueueId_t TmTcBridge::getReportReceptionQueue(uint8_t virtualChannel) const {
   return tmTcReceptionQueue->getId();
 }
 

src/fsfw/tmtcservices/TmTcBridge.h

@@ -65,7 +65,7 @@ class TmTcBridge : public AcceptsTelemetryIF,
   ReturnValue_t performOperation(uint8_t operationCode = 0) override;
 
   /** AcceptsTelemetryIF override */
-  MessageQueueId_t getReportReceptionQueue(uint8_t virtualChannel = 0) override;
+  MessageQueueId_t getReportReceptionQueue(uint8_t virtualChannel = 0) const override;
 
   /** AcceptsTelecommandsIF override */
   uint32_t getIdentifier() const override;

src/fsfw_hal/linux/i2c/I2cComIF.cpp

@@ -216,7 +216,7 @@ ReturnValue_t I2cComIF::readReceivedMessage(CookieIF* cookie, uint8_t** buffer,
   }
   *buffer = i2cDeviceMapIter->second.replyBuffer.data();
   *size = i2cDeviceMapIter->second.replyLen;
-
+  i2cDeviceMapIter->second.replyLen = 0;
   return returnvalue::OK;
 }