Change to use interrupt priority definitions that use shifted values from 0 to 7, rather than the full numeric value.

Demo/CORTEX_LM3Sxxxx_IAR_Keil/FreeRTOSConfig.h

@@ -93,8 +93,10 @@ to exclude the API function. */
 #define INCLUDE_vTaskDelay					1
 #define INCLUDE_uxTaskGetStackHighWaterMark	1
 
-#define configKERNEL_INTERRUPT_PRIORITY 		255
+
-#define configMAX_SYSCALL_INTERRUPT_PRIORITY 	191 /* equivalent to 0xa0, or priority 5. */
+
+#define configKERNEL_INTERRUPT_PRIORITY 		( ( unsigned portCHAR ) 7 << ( unsigned portCHAR ) 5 )	/* Priority 7, or 255 as only the top three bits are implemented.  This is the lowest priority. */
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY 	( ( unsigned portCHAR ) 5 << ( unsigned portCHAR ) 5 )  /* Priority 5, or 160 as only the top three bits are implemented. */
 
 
 #endif /* FREERTOS_CONFIG_H */

Demo/CORTEX_LM3Sxxxx_IAR_Keil/IntQueueTimer.c

@@ -77,7 +77,7 @@ unsigned long ulFrequency;
 	
 	/* Set the timer interrupts to be above the kernel.  The interrupts are
 	 assigned different priorities so they nest with each other. */
-	IntPrioritySet( INT_TIMER2A, configMAX_SYSCALL_INTERRUPT_PRIORITY - 1 );
+	IntPrioritySet( INT_TIMER2A, configMAX_SYSCALL_INTERRUPT_PRIORITY + ( 1 << 5 ) ); /* Shift left 5 as only the top 3 bits are implemented. */
 	IntPrioritySet( INT_TIMER3A, configMAX_SYSCALL_INTERRUPT_PRIORITY );
 
 	/* Ensure interrupts do not start until the scheduler is running. */