Changed the MicroBlaze demo back to using heap_3.c having updated the linker script generation.

Demo/MicroBlaze_Spartan-6_EthernetLite/SDKProjects/RTOSDemoSource/CreateProjectDirectoryStructure.bat

@@ -68,7 +68,7 @@ IF EXIST FreeRTOS_Source Goto END
     copy %FREERTOS_SOURCE%\portable\MemMang\heap_3.c FreeRTOS_Source\portable\MemMang
 
     REM Copy the basic memory allocation files into the BSP directory
-    copy %FREERTOS_SOURCE%\portable\MemMang\heap_2.c %BSP_SOURCE%\portable\MemMang
+    copy %FREERTOS_SOURCE%\portable\MemMang\heap_3.c %BSP_SOURCE%\portable\MemMang
 
     REM Copy the files that define the common demo tasks.
     copy %COMMON_SOURCE%\dynamic.c         Demo_Source

Demo/MicroBlaze_Spartan-6_EthernetLite/SDKProjects/RTOSDemoSource/main-blinky.c

@@ -422,29 +422,37 @@ void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName
 
 void vApplicationIdleHook( void )
 {
-volatile size_t xFreeHeapSpace;
+#ifdef EXAMPLE_CODE_ONLY
 
-	/* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set 
+	The following code can only be included if heap_1.c or heap_2.c is used in
-	to 1 in FreeRTOSConfig.h.  It will be called on each iteration of the idle 
+	the project.  By default, heap_3.c is used, so the example code is
-	task.  It is essential that code added to this hook function never attempts 
+	excluded.  See http://www.freertos.org/a00111.html for more information on
-	to block in any way (for example, call xQueueReceive() with a block time 
+	memory management options.
-	specified, or call vTaskDelay()).  If the application makes use of the 
-	vTaskDelete() API function (as this demo application does) then it is also 
-	important that vApplicationIdleHook() is permitted to return to its calling 
-	function, because it is the responsibility of the idle task to clean up 
-	memory allocated by the kernel to any task that has since been deleted. */
 
-	/* This implementation of vApplicationIdleHook() simply demonstrates how
+	volatile size_t xFreeHeapSpace;
-	the xPortGetFreeHeapSize() function can be used. */
-	xFreeHeapSpace = xPortGetFreeHeapSize();
 
-	if( xFreeHeapSpace > 100 )
+		/* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
-	{
+		to 1 in FreeRTOSConfig.h.  It will be called on each iteration of the idle
-		/* By now, the kernel has allocated everything it is going to, so
+		task.  It is essential that code added to this hook function never attempts
-		if there is a lot of heap remaining unallocated then
+		to block in any way (for example, call xQueueReceive() with a block time
-		the value of configTOTAL_HEAP_SIZE in FreeRTOSConfig.h can be
+		specified, or call vTaskDelay()).  If the application makes use of the
-		reduced accordingly. */
+		vTaskDelete() API function (as this demo application does) then it is also
-	}
+		important that vApplicationIdleHook() is permitted to return to its calling
+		function, because it is the responsibility of the idle task to clean up
+		memory allocated by the kernel to any task that has since been deleted. */
+
+		/* This implementation of vApplicationIdleHook() simply demonstrates how
+		the xPortGetFreeHeapSize() function can be used. */
+		xFreeHeapSpace = xPortGetFreeHeapSize();
+
+		if( xFreeHeapSpace > 100 )
+		{
+			/* By now, the kernel has allocated everything it is going to, so
+			if there is a lot of heap remaining unallocated then
+			the value of configTOTAL_HEAP_SIZE in FreeRTOSConfig.h can be
+			reduced accordingly. */
+		}
+#endif
 }
 /*-----------------------------------------------------------*/
 

Demo/MicroBlaze_Spartan-6_EthernetLite/SDKProjects/RTOSDemoSource/src/lscript.ld

@@ -11,7 +11,7 @@
 /*******************************************************************/
 
 _STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x400;
-_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x8;
+_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x10400;
 
 /* Define Memories in the system */