SILKIT-1966 LIN service: put master to sleep only after sleep frame received in detailed simulation

SilKit/source/services/lin/LinController.cpp

@@ -515,11 +515,9 @@ void LinController::GoToSleep()
         return;
     }
 
-    // Detailed: Send LinSendFrameRequest with GoToSleep-Frame and set LinControllerStatus::SleepPending. BusSim will trigger LinTransmission.
+    // Detailed: Send LinSendFrameRequest with GoToSleep-Frame and set LinControllerStatus::SleepPending. BusSim will trigger LinTransmission. Sleep after frame is received.
     // Trivial: Directly send LinTransmission with GoToSleep-Frame and call GoToSleepInternal() on this controller.
     _simulationBehavior.GoToSleep();
-
-    _controllerStatus = LinControllerStatus::Sleep;
 }
 
 void LinController::GoToSleepInternal()
@@ -784,11 +782,19 @@ void LinController::ReceiveMsg(const IServiceEndpoint* from, const LinTransmissi
     // Dispatch GoToSleep frames to dedicated handlers
     if (isGoToSleepFrame)
     {
-        // only call GoToSleepHandlers for slaves, i.e., not for the master that issued the GoToSleep command.
         if (_controllerMode == LinControllerMode::Slave)
         {
+            // Only call GoToSleepHandlers for slaves, i.e., not for the master that issued the GoToSleep command.
             CallHandlers(LinGoToSleepEvent{msg.timestamp});
         }
+        // Detailed: Go to sleep after go-to-sleep frame was received by master
+        else if (_controllerMode == LinControllerMode::Master)
+        {
+            if (_controllerStatus == LinControllerStatus::SleepPending)
+            {
+                _controllerStatus = LinControllerStatus::Sleep;
+            }
+        }
     }
 }
 

docs/changelog/versions/latest.md

@@ -1,5 +1,10 @@
 # [5.0.5] - UNRELEASED
 
+## Fixed
+
+- `lin`: fixed missing reception of the Go-To-Sleep frame by the master after `GoToSleep()` in detailed simulation
+
+
 ## Changed
 
 - `cmake`: merged almost all internal CMake `INTERFACE` libraries into `I_SilKit`