the queue empty. */\r
#define mainQUEUE_LENGTH ( 1 )\r
\r
-/* The LED is used to show the demo status. */\r
+/* The LED is used to show the demo status. (not connected on Rev A hardware) */\r
#define mainTOGGLE_LED() HAL_GPIO_TogglePin( GPIOF, GPIO_PIN_10 )\r
\r
/*-----------------------------------------------------------*/\r