Check in the portable.h version required to use heap_5.c.

FreeRTOS/Source/include/portable.h

@@ -363,6 +363,27 @@ extern "C" {
 	StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION;
 #endif
 
+/* Used by heap_5.c. */
+typedef struct HeapRegion
+{
+	uint8_t *pucStartAddress;
+	size_t xSizeInBytes;
+} HeapRegion_t;
+
+/* 
+ * Used to define multiple heap regions for use by heap_5.c.  This function
+ * must be called before any calls to pvPortMalloc() - not creating a task,
+ * queue, semaphore, mutex, software timer, event group, etc. will result in
+ * pvPortMalloc being called.
+ *
+ * pxHeapRegions passes in an array of HeapRegion_t structures - each of which
+ * defines a region of memory that can be used as the heap.  The array is 
+ * terminated by a HeapRegions_t structure that has a size of 0.  The region 
+ * with the lowest start address must appear first in the array.
+ */
+void vPortDefineHeapRegions( HeapRegion_t *pxHeapRegions );
+
+
 /*
  * Map to the memory management routines required for the port.
  */