Added more coverage and Documentation

src/fsfw/internalerror/InternalErrorReporterIF.h

@@ -1,22 +1,34 @@
 #ifndef INTERNALERRORREPORTERIF_H_
 #define INTERNALERRORREPORTERIF_H_
 
+/**
+ * @brief   Interface which is used to report internal errors like full message queues or stores.
+ * @details
+ * This interface smust be used for the InteralErrorReporter object.
+ * It should be used to indicate that there was a Problem with Queues or Stores.
+ *
+ * It can be used to report missing Telemetry which could not be sent due to a internal problem.
+ *
+ */
 class InternalErrorReporterIF {
  public:
   virtual ~InternalErrorReporterIF() {}
-
   /**
-   * Thread safe
+   * @brief Function to be called if a message queue could not be sent.
+   * @details OSAL Implementations should call this function to indicate that
+   * a message was lost.
+   *
+   *  Implementations are required to be Thread safe
    */
   virtual void queueMessageNotSent() = 0;
-
   /**
-   * Thread safe
+   * @brief Function to be called if Telemetry could not be sent
+   * @details Implementations must be Thread safe
    */
   virtual void lostTm() = 0;
-
   /**
-   * Thread safe
+   * @brief Function to be called if a onboard storage is full
+   * @details Implementations must be Thread safe
    */
   virtual void storeFull() = 0;
 };