Added support of 64bit events. (#597)

* Added support of 64bit even Signed-off-by: Cervenka Dusan <[email protected]> * Added missing brackets Signed-off-by: Cervenka Dusan <[email protected]> * Made proper name for tick macro. Signed-off-by: Cervenka Dusan <[email protected]> * Improved macro evaluation Signed-off-by: Cervenka Dusan <[email protected]> * Fixed missed port files + documentation Signed-off-by: Cervenka Dusan <[email protected]> * Changes made on PR Signed-off-by: Cervenka Dusan <[email protected]> * Fix macro definition. Signed-off-by: Cervenka Dusan <[email protected]> * Formatted code with uncrustify Signed-off-by: Cervenka Dusan <[email protected]> --------- Signed-off-by: Cervenka Dusan <[email protected]>
FreeRTOS · Feb 3, 2023 · 91c20f5 · 91c20f5
1 parent 260a37c
commit 91c20f5
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Showing 124 changed files with 588 additions and 313 deletions.
diff --git a/event_groups.c b/event_groups.c
@@ -49,17 +49,22 @@
 /* The following bit fields convey control information in a task's event list
  * item value.  It is important they don't clash with the
  * taskEVENT_LIST_ITEM_VALUE_IN_USE definition. */
-#if configUSE_16_BIT_TICKS == 1
+#if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     #define eventCLEAR_EVENTS_ON_EXIT_BIT    0x0100U
     #define eventUNBLOCKED_DUE_TO_BIT_SET    0x0200U
     #define eventWAIT_FOR_ALL_BITS           0x0400U
     #define eventEVENT_BITS_CONTROL_BYTES    0xff00U
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     #define eventCLEAR_EVENTS_ON_EXIT_BIT    0x01000000UL
     #define eventUNBLOCKED_DUE_TO_BIT_SET    0x02000000UL
     #define eventWAIT_FOR_ALL_BITS           0x04000000UL
     #define eventEVENT_BITS_CONTROL_BYTES    0xff000000UL
-#endif
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_64_BITS )
+    #define eventCLEAR_EVENTS_ON_EXIT_BIT    0x0100000000000000ULL
+    #define eventUNBLOCKED_DUE_TO_BIT_SET    0x0200000000000000ULL
+    #define eventWAIT_FOR_ALL_BITS           0x0400000000000000ULL
+    #define eventEVENT_BITS_CONTROL_BYTES    0xff00000000000000ULL
+#endif /* if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS ) */
 
 typedef struct EventGroupDef_t
 {

diff --git a/include/FreeRTOS.h b/include/FreeRTOS.h
@@ -55,6 +55,11 @@
 #endif
 /* *INDENT-ON* */
 
+/* Acceptable values for configTICK_TYPE_WIDTH_IN_BITS. */
+#define TICK_TYPE_WIDTH_16_BITS    0
+#define TICK_TYPE_WIDTH_32_BITS    1
+#define TICK_TYPE_WIDTH_64_BITS    2
+
 /* Application specific configuration options. */
 #include "FreeRTOSConfig.h"
 
@@ -155,8 +160,28 @@
     #error Missing definition:  configUSE_TICK_HOOK must be defined in FreeRTOSConfig.h as either 1 or 0.  See the Configuration section of the FreeRTOS API documentation for details.
 #endif
 
-#ifndef configUSE_16_BIT_TICKS
-    #error Missing definition:  configUSE_16_BIT_TICKS must be defined in FreeRTOSConfig.h as either 1 or 0.  See the Configuration section of the FreeRTOS API documentation for details.
+#if !defined( configUSE_16_BIT_TICKS ) && !defined( configTICK_TYPE_WIDTH_IN_BITS )
+    #error Missing definition:  One of configUSE_16_BIT_TICKS and configTICK_TYPE_WIDTH_IN_BITS must be defined in FreeRTOSConfig.h.  See the Configuration section of the FreeRTOS API documentation for details.
+#endif
+
+#if defined( configUSE_16_BIT_TICKS ) && defined( configTICK_TYPE_WIDTH_IN_BITS )
+    #error Only one of configUSE_16_BIT_TICKS and configTICK_TYPE_WIDTH_IN_BITS must be defined in FreeRTOSConfig.h.  See the Configuration section of the FreeRTOS API documentation for details.
+#endif
+
+/* Define configTICK_TYPE_WIDTH_IN_BITS according to the
+ * value of configUSE_16_BIT_TICKS for backward compatibility. */
+#ifndef configTICK_TYPE_WIDTH_IN_BITS
+    #if ( configUSE_16_BIT_TICKS == 1 )
+        #define configTICK_TYPE_WIDTH_IN_BITS    TICK_TYPE_WIDTH_16_BITS
+    #else
+        #define configTICK_TYPE_WIDTH_IN_BITS    TICK_TYPE_WIDTH_32_BITS
+    #endif
+#endif
+
+#if ( ( configTICK_TYPE_WIDTH_IN_BITS != TICK_TYPE_WIDTH_16_BITS ) && \
+    ( configTICK_TYPE_WIDTH_IN_BITS != TICK_TYPE_WIDTH_32_BITS ) &&   \
+    ( configTICK_TYPE_WIDTH_IN_BITS != TICK_TYPE_WIDTH_64_BITS ) )
+    #error Macro configTICK_TYPE_WIDTH_IN_BITS is defined to incorrect value.  See the Configuration section of the FreeRTOS API documentation for details.
 #endif
 
 #ifndef INCLUDE_vTaskPrioritySet

diff --git a/include/event_groups.h b/include/event_groups.h
@@ -84,8 +84,8 @@ typedef struct EventGroupDef_t   * EventGroupHandle_t;
 
 /*
  * The type that holds event bits always matches TickType_t - therefore the
- * number of bits it holds is set by configUSE_16_BIT_TICKS (16 bits if set to 1,
- * 32 bits if set to 0.
+ * number of bits it holds is set by configTICK_TYPE_WIDTH_IN_BITS (16 bits if set to 0,
+ * 32 bits if set to 1, 64 bits if set to 2.
  *
  * \defgroup EventBits_t EventBits_t
  * \ingroup EventGroup
@@ -112,11 +112,12 @@ typedef TickType_t               EventBits_t;
  *
  * Although event groups are not related to ticks, for internal implementation
  * reasons the number of bits available for use in an event group is dependent
- * on the configUSE_16_BIT_TICKS setting in FreeRTOSConfig.h.  If
- * configUSE_16_BIT_TICKS is 1 then each event group contains 8 usable bits (bit
- * 0 to bit 7).  If configUSE_16_BIT_TICKS is set to 0 then each event group has
- * 24 usable bits (bit 0 to bit 23).  The EventBits_t type is used to store
- * event bits within an event group.
+ * on the configTICK_TYPE_WIDTH_IN_BITS setting in FreeRTOSConfig.h.  If
+ * configTICK_TYPE_WIDTH_IN_BITS is 0 then each event group contains 8 usable bits (bit
+ * 0 to bit 7).  If configTICK_TYPE_WIDTH_IN_BITS is set to 1 then each event group has
+ * 24 usable bits (bit 0 to bit 23).  If configTICK_TYPE_WIDTH_IN_BITS is set to 2 then
+ * each event group has 56 usable bits (bit 0 to bit 53). The EventBits_t type
+ * is used to store event bits within an event group.
  *
  * @return If the event group was created then a handle to the event group is
  * returned.  If there was insufficient FreeRTOS heap available to create the
@@ -168,11 +169,12 @@ typedef TickType_t               EventBits_t;
  *
  * Although event groups are not related to ticks, for internal implementation
  * reasons the number of bits available for use in an event group is dependent
- * on the configUSE_16_BIT_TICKS setting in FreeRTOSConfig.h.  If
- * configUSE_16_BIT_TICKS is 1 then each event group contains 8 usable bits (bit
- * 0 to bit 7).  If configUSE_16_BIT_TICKS is set to 0 then each event group has
- * 24 usable bits (bit 0 to bit 23).  The EventBits_t type is used to store
- * event bits within an event group.
+ * on the configTICK_TYPE_WIDTH_IN_BITS setting in FreeRTOSConfig.h.  If
+ * configTICK_TYPE_WIDTH_IN_BITS is 0 then each event group contains 8 usable bits (bit
+ * 0 to bit 7).  If configTICK_TYPE_WIDTH_IN_BITS is set to 1 then each event group has
+ * 24 usable bits (bit 0 to bit 23).  If configTICK_TYPE_WIDTH_IN_BITS is set to 2 then
+ * each event group has 56 usable bits (bit 0 to bit 53).  The EventBits_t type
+ * is used to store event bits within an event group.
  *
  * @param pxEventGroupBuffer pxEventGroupBuffer must point to a variable of type
  * StaticEventGroup_t, which will be then be used to hold the event group's data

diff --git a/include/projdefs.h b/include/projdefs.h
@@ -60,10 +60,14 @@ typedef void (* TaskFunction_t)( void * );
     #define configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES    0
 #endif
 
-#if ( configUSE_16_BIT_TICKS == 1 )
+#if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     #define pdINTEGRITY_CHECK_VALUE    0x5a5a
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     #define pdINTEGRITY_CHECK_VALUE    0x5a5a5a5aUL
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_64_BITS )
+    #define pdINTEGRITY_CHECK_VALUE    0x5a5a5a5a5a5a5a5aULL
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 
 /* The following errno values are used by FreeRTOS+ components, not FreeRTOS

diff --git a/portable/ARMv8M/non_secure/portmacrocommon.h b/portable/ARMv8M/non_secure/portmacrocommon.h
@@ -72,16 +72,18 @@
     typedef long             BaseType_t;
     typedef unsigned long    UBaseType_t;
 
-    #if ( configUSE_16_BIT_TICKS == 1 )
+    #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
         typedef uint16_t     TickType_t;
         #define portMAX_DELAY              ( TickType_t ) 0xffff
-    #else
+    #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
         typedef uint32_t     TickType_t;
         #define portMAX_DELAY              ( TickType_t ) 0xffffffffUL
 
 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
  * not need to be guarded with a critical section. */
         #define portTICK_TYPE_IS_ATOMIC    1
+    #else
+        #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
     #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/BCC/16BitDOS/Flsh186/prtmacro.h b/portable/BCC/16BitDOS/Flsh186/prtmacro.h
@@ -52,12 +52,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef short BaseType_t;
 typedef unsigned short UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/BCC/16BitDOS/PC/prtmacro.h b/portable/BCC/16BitDOS/PC/prtmacro.h
@@ -52,12 +52,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef short BaseType_t;
 typedef unsigned short UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/CCS/ARM_CM3/portmacro.h b/portable/CCS/ARM_CM3/portmacro.h
@@ -57,16 +57,18 @@
     typedef long             BaseType_t;
     typedef unsigned long    UBaseType_t;
 
-    #if ( configUSE_16_BIT_TICKS == 1 )
+    #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
         typedef uint16_t     TickType_t;
         #define portMAX_DELAY              ( TickType_t ) 0xffff
-    #else
+    #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
         typedef uint32_t     TickType_t;
         #define portMAX_DELAY              ( TickType_t ) 0xffffffffUL
 
 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
  * not need to be guarded with a critical section. */
         #define portTICK_TYPE_IS_ATOMIC    1
+    #else
+        #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
     #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/CCS/ARM_CM4F/portmacro.h b/portable/CCS/ARM_CM4F/portmacro.h
@@ -57,16 +57,18 @@
     typedef long             BaseType_t;
     typedef unsigned long    UBaseType_t;
 
-    #if ( configUSE_16_BIT_TICKS == 1 )
+    #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
         typedef uint16_t     TickType_t;
         #define portMAX_DELAY              ( TickType_t ) 0xffff
-    #else
+    #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
         typedef uint32_t     TickType_t;
         #define portMAX_DELAY              ( TickType_t ) 0xffffffffUL
 
 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
  * not need to be guarded with a critical section. */
         #define portTICK_TYPE_IS_ATOMIC    1
+    #else
+        #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
     #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/CCS/ARM_Cortex-R4/portmacro.h b/portable/CCS/ARM_Cortex-R4/portmacro.h
@@ -52,16 +52,18 @@ typedef portSTACK_TYPE StackType_t;
 typedef long BaseType_t;
 typedef unsigned long UBaseType_t;
 
-#if (configUSE_16_BIT_TICKS == 1)
+#if (configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS)
     typedef uint16_t TickType_t;
     #define portMAX_DELAY (TickType_t) 0xFFFF
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
     #define portMAX_DELAY (TickType_t) 0xFFFFFFFFF
 
     /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
     not need to be guarded with a critical section. */
     #define portTICK_TYPE_IS_ATOMIC 1
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 
 

diff --git a/portable/CCS/MSP430X/portmacro.h b/portable/CCS/MSP430X/portmacro.h
@@ -62,12 +62,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef short BaseType_t;
 typedef unsigned short UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 
 /*-----------------------------------------------------------*/

diff --git a/portable/CodeWarrior/ColdFire_V1/portmacro.h b/portable/CodeWarrior/ColdFire_V1/portmacro.h
@@ -57,12 +57,14 @@ typedef long BaseType_t;
 typedef unsigned long UBaseType_t;
 
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/CodeWarrior/ColdFire_V2/portmacro.h b/portable/CodeWarrior/ColdFire_V2/portmacro.h
@@ -56,12 +56,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef long BaseType_t;
 typedef unsigned long UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/CodeWarrior/HCS12/portmacro.h b/portable/CodeWarrior/HCS12/portmacro.h
@@ -53,12 +53,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef signed char BaseType_t;
 typedef unsigned char UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/GCC/ARM7_AT91FR40008/portmacro.h b/portable/GCC/ARM7_AT91FR40008/portmacro.h
@@ -79,12 +79,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef long BaseType_t;
 typedef unsigned long UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/GCC/ARM7_AT91SAM7S/portmacro.h b/portable/GCC/ARM7_AT91SAM7S/portmacro.h
@@ -79,12 +79,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef long BaseType_t;
 typedef unsigned long UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/GCC/ARM7_LPC2000/portmacro.h b/portable/GCC/ARM7_LPC2000/portmacro.h
@@ -56,12 +56,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef long BaseType_t;
 typedef unsigned long UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/
 

diff --git a/portable/GCC/ARM7_LPC23xx/portmacro.h b/portable/GCC/ARM7_LPC23xx/portmacro.h
@@ -79,12 +79,14 @@ typedef portSTACK_TYPE StackType_t;
 typedef long BaseType_t;
 typedef unsigned long UBaseType_t;
 
-#if( configUSE_16_BIT_TICKS == 1 )
+#if( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
     typedef uint16_t TickType_t;
     #define portMAX_DELAY ( TickType_t ) 0xffff
-#else
+#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
     typedef uint32_t TickType_t;
-    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+    #define portMAX_DELAY ( TickType_t )    ( 0xFFFFFFFFUL )
+#else
+    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
 #endif
 /*-----------------------------------------------------------*/