some minor improvements

linux/payload/PlocSupvUartMan.cpp

@@ -12,6 +12,7 @@
 
 #include "OBSWConfig.h"
 #include "fsfw/returnvalues/returnvalue.h"
+#include "linux/payload/plocSupvDefs.h"
 #include "tas/hdlc.h"
 #ifdef XIPHOS_Q7S
 #include "bsp_q7s/fs/FilesystemHelper.h"
@@ -22,9 +23,13 @@
 
 #include "fsfw/tasks/TaskFactory.h"
 #include "fsfw/timemanager/Countdown.h"
+
+#if OBSW_DEBUG_PLOC_SUPERVISOR == 1
 #include "mission/utility/Filenaming.h"
 #include "mission/utility/ProgressPrinter.h"
 #include "mission/utility/Timestamp.h"
+#endif
+
 #include "tas/crc.h"
 
 using namespace returnvalue;
@@ -278,23 +283,6 @@ ReturnValue_t PlocSupvUartManager::initiateUpdateContinuation() {
   return returnvalue::OK;
 }
 
-// ReturnValue_t PlocSupvHelper::startEventBufferRequest(std::string path) {
-// #ifdef XIPHOS_Q7S
-//   ReturnValue_t result = FilesystemHelper::checkPath(path);
-//   if (result != returnvalue::OK) {
-//     return result;
-//   }
-// #endif
-//   if (not std::filesystem::exists(path)) {
-//     return PATH_NOT_EXISTS;
-//   }
-//   eventBufferReq.path = path;
-//   request = Request::REQUEST_EVENT_BUFFER;
-//   //uartComIF->flushUartTxAndRxBuf(comCookie);
-//   semaphore->release();
-//   return returnvalue::OK;
-// }
-
 void PlocSupvUartManager::stop() {
   MutexGuard mg(lock);
   if (state == InternalState::SLEEPING or state == InternalState::GO_TO_SLEEP) {
@@ -450,11 +438,8 @@ ReturnValue_t PlocSupvUartManager::writeUpdatePackets() {
                    update.bytesWritten);
       return result;
     }
-    result = handlePacketTransmissionNoReply(packet, COM_TIMEOUT_MS);
+    result = writeMemoryHandlingWithRetryLogic(packet, progPercent);
     if (result != returnvalue::OK) {
-      triggerEvent(WRITE_MEMORY_FAILED, buildProgParams1(progPercent, update.sequenceCount),
-                   update.bytesWritten);
-      // TODO: Retry logic, re-try up to three times.
       return result;
     }
 
@@ -465,7 +450,22 @@ ReturnValue_t PlocSupvUartManager::writeUpdatePackets() {
 #if OBSW_DEBUG_PLOC_SUPERVISOR == 1
     progressPrinter.print(update.bytesWritten);
 #endif /* OBSW_DEBUG_PLOC_SUPERVISOR == 1 */
-    // TaskFactory::delayTask(1);
+  }
+  return result;
+}
+
+ReturnValue_t PlocSupvUartManager::writeMemoryHandlingWithRetryLogic(supv::WriteMemory& packet,
+                                                                     unsigned progPercent) {
+  ReturnValue_t result = returnvalue::OK;
+  // Simple re-try logic in place to deal with communication unreliability in orbit.
+  for (uint8_t retryCount = 0; retryCount < MAX_RETRY_COUNT; retryCount++) {
+    result = handlePacketTransmissionNoReply(packet, COM_TIMEOUT_MS);
+    if (result == returnvalue::OK) {
+      return result;
+    }
+    triggerEvent(WRITE_MEMORY_FAILED, buildProgParams1(progPercent, update.sequenceCount),
+                 update.bytesWritten);
+    serial::flushTxRxBuf(serialPort);
   }
   return result;
 }