improvements for SoC FDIR

CHANGELOG.md

@@ -22,6 +22,8 @@ will consitute of a breaking change warranting a new major release:
   CFDP interface.
 - Proper back pressure handling for the CFDP handler, where the `LiveTmTask` is able to throttle
   the CFDP handler.
+- The EIVE system will command the payload OFF explicitely again when receiving the
+  `power::POWER_LEVEL_CRITICAL` event.
 
 ## Fixed
 
@@ -36,6 +38,11 @@ will consitute of a breaking change warranting a new major release:
   is not in normal mode.
 - MPSoC debug mode.
 
+## Changed
+
+- Added a 3 second delay in the EIVE system between commanding all PL components except the SUPV,
+  and the SUPV itself OFF when the power level becomes low or critical.
+
 # [v7.1.0] 2023-10-11
 
 - Bumped `eive-tmtc` to v5.8.0.

mission/system/EiveSystem.cpp

@@ -209,7 +209,11 @@ void EiveSystem::handleEventMessages() {
             forcePlOffState = ForcePlOffState::FORCE_ALL_EXCEPT_SUPV_OFF;
             break;
           }
-          case power::POWER_LEVEL_CRITICAL:
+          case power::POWER_LEVEL_CRITICAL: {
+            // Force payload off in any case. It really should not be on when the power level
+            // becomes critical, but better be safe than sorry..
+            forcePlOffState = ForcePlOffState::FORCE_ALL_EXCEPT_SUPV_OFF;
+            // Also set the STR assembly to faulty, which should cause a fallback to SAFE mode.
             CommandMessage msg;
             HealthMessage::setHealthMessage(&msg, HealthMessage::HEALTH_SET, HasHealthIF::FAULTY);
             ReturnValue_t result = MessageQueueSenderIF::sendMessage(
@@ -219,6 +223,7 @@ void EiveSystem::handleEventMessages() {
                          << std::endl;
             }
             break;
+          }
         }
         break;
       default:
@@ -436,7 +441,7 @@ void EiveSystem::forceOffPayload() {
   }
 
   if (forcePlOffState == ForcePlOffState::WAITING and supvOffDelay.hasTimedOut()) {
-    forcePlOffState == ForcePlOffState::FORCE_SUPV_OFF;
+    forcePlOffState = ForcePlOffState::FORCE_SUPV_OFF;
   }
 
   if (forcePlOffState == ForcePlOffState::FORCE_SUPV_OFF) {