lot of debugging and trying out

mission/com/LiveTmTask.cpp

@@ -52,13 +52,16 @@ ReturnValue_t LiveTmTask::performOperation(uint8_t opCode) {
           }
         }
       }
+    } else {
+      consecutiveNoBlockWriteCounter = 0;
     }
     if (channel.isBusy() and !throttlePeriodOngoing) {
       // Throttle CFDP packet creator. It is by far the most relevant data creator, so throttling
       // it is the easiest way to handle back pressure for now in a sensible way.
       throttleCfdp();
     } else if(!channel.isBusy() and throttlePeriodOngoing) {
-      if(minimumPeriodThrottleCd.hasTimedOut()) {
+      if(minimumPeriodThrottleCd.hasTimedOut() and consecutiveNoBlockWriteCounter >= 10) {
+        sif::debug << "releasing cfdp" << std::endl;
         releaseCfdp();
       }
     }
@@ -162,10 +165,14 @@ ReturnValue_t LiveTmTask::handleGenericTmQueue(MessageQueueIF& queue) {
     return result;
   }
 
+  if(ptmeLocked) {
+    consecutiveNoBlockWriteCounter= 0;
+  }
   if (!ptmeLocked) {
     size_t partiallyWrittenSize = 0;
     result = channel.write(data, size, partiallyWrittenSize);
     if (result == DirectTmSinkIF::PARTIALLY_WRITTEN) {
+      consecutiveNoBlockWriteCounter = 0;
       // Already throttle CFDP.
       throttleCfdp();
       result = channel.handleLastWriteSynchronously(data, size, partiallyWrittenSize, 200);
@@ -175,6 +182,9 @@ ReturnValue_t LiveTmTask::handleGenericTmQueue(MessageQueueIF& queue) {
             << "LiveTmTask: Synchronous write of last segment failed with code 0x"
             << std::setw(4) << std::hex << result << std::dec << std::endl;
       }
+      minimumPeriodThrottleCd.resetTimer();
+    } else {
+      consecutiveNoBlockWriteCounter++;
     }
   }
   // Try delete in any case, ignore failures (which should not happen), it is more important to