start FD PDU handling

src/fsfw/cfdp/handler/SourceHandler.cpp

@@ -4,6 +4,7 @@
 
 #include <array>
 
+#include "fsfw/cfdp/pdu/FileDataCreator.h"
 #include "fsfw/cfdp/pdu/MetadataPduCreator.h"
 #include "fsfw/filesystem/HasFileSystemIF.h"
 #include "fsfw/objectmanager.h"
@@ -179,6 +180,8 @@ ReturnValue_t cfdp::SourceHandler::prepareAndSendMetadataPdu() {
 
 ReturnValue_t cfdp::SourceHandler::prepareAndSendNextFileDataPdu() {
   // TODO: Implement
+  // auto fileDataInfo = FileDataInfo(transactionParams.fileSize);
+  // auto fileDataPdu = FileDataCreator();
   // Advance FSM after all file data PDUs were sent
   step = TransactionStep::SENDING_EOF;
   return OK;

src/fsfw/cfdp/handler/SourceHandler.h

@@ -65,6 +65,7 @@ class SourceHandler {
     std::array<char, 524> destName{};
     size_t destNameSize = 0;
     cfdp::FileSize fileSize;
+    size_t currentFilePos = 0;
     bool closureRequested = false;
     PduConfig pduConf;
   } transactionParams;