Add core affinity bits check

include/FreeRTOS.h

@@ -1165,6 +1165,10 @@
     #error configUSE_TASK_PREEMPTION_DISABLE is not supported in single core FreeRTOS
 #endif
 
+#if ( ( configNUMBER_OF_CORES == 1 ) && ( configUSE_CORE_AFFINITY != 0 ) )
+    #error configUSE_CORE_AFFINITY is not supported in single core FreeRTOS
+#endif
+
 #ifndef configINITIAL_TICK_COUNT
     #define configINITIAL_TICK_COUNT    0
 #endif

tasks.c

@@ -305,7 +305,7 @@ typedef struct tskTaskControlBlock       /* The old naming convention is used to
     #endif
 
     #if ( configUSE_CORE_AFFINITY == 1 ) && ( configNUMBER_OF_CORES > 1 )
-        UBaseType_t uxCoreAffinityMask; /*< Used to link the task to certain cores.  UBaseType_t must have greater than or equal to the number of bits as confNUM_CORES. */
+        UBaseType_t uxCoreAffinityMask; /**< Used to link the task to certain cores.  UBaseType_t must have greater than or equal to the number of bits as configNUMBER_OF_CORES. */
     #endif
 
     ListItem_t xStateListItem;                  /**< The list that the state list item of a task is reference from denotes the state of that task (Ready, Blocked, Suspended ). */
@@ -3257,6 +3257,13 @@ void vTaskStartScheduler( void )
 {
     BaseType_t xReturn;
 
+    #if ( configUSE_CORE_AFFINITY == 1 )
+    {
+        /* UBaseType_t must have greater than or equal to the number of bits as confNUMBER_OF_CORES. */
+        configASSERT( configNUMBER_OF_CORES <= ( sizeof( UBaseType_t ) * 8 ) );
+    }
+    #endif
+
     xReturn = prvCreateIdleTasks();
 
     #if ( configUSE_TIMERS == 1 )