added a reference to configUSE_POSIX_ERRNO

examples/template_configuration/FreeRTOSConfig.h

@@ -51,7 +51,7 @@
  * The default value is set to 20MHz and matches the QEMU demo settings.  Your
  * application will certainly need a different value so set this correctly.
  * This is very often, but not always, equal to the main system clock frequency. */
-#define configCPU_CLOCK_HZ    ( ( unsigned long ) 20000000 )
+#define configCPU_CLOCK_HZ ((unsigned long)20000000)
 
 /* configSYSTICK_CLOCK_HZ is an optional parameter for ARM Cortex-M ports only.
  *
@@ -222,7 +222,7 @@
  * task, so its priority is set like any other task.  See
  * https://www.freertos.org/RTOS-software-timer-service-daemon-task.html  Only used
  * if configUSE_TIMERS is set to 1. */
-#define configTIMER_TASK_PRIORITY       ( configMAX_PRIORITIES - 1 )
+#define configTIMER_TASK_PRIORITY (configMAX_PRIORITIES - 1)
 
 /* configTIMER_TASK_STACK_DEPTH sets the size of the stack allocated to the
  * timer task (in words, not in bytes!).  The timer task is a standard FreeRTOS
@@ -406,11 +406,11 @@
  * number of the failing assert (for example, "vAssertCalled( __FILE__, __LINE__ )"
  * or it can simple disable interrupts and sit in a loop to halt all execution
  * on the failing line for viewing in a debugger. */
-#define configASSERT( x )         \
-    if( ( x ) == 0 )              \
+#define configASSERT(x)           \
+    if ((x) == 0)                 \
     {                             \
         taskDISABLE_INTERRUPTS(); \
-        for( ; ; )                \
+        for (;;)                  \
             ;                     \
     }
 
@@ -544,7 +544,6 @@
  * tskNO_AFFINITY if left undefined. */
 #define configTIMER_SERVICE_TASK_CORE_AFFINITY tskNO_AFFINITY
 
-
 /******************************************************************************/
 /* ARMv8-M secure side port related definitions. ******************************/
 /******************************************************************************/
@@ -624,6 +623,10 @@
 #define configUSE_QUEUE_SETS 0
 #define configUSE_APPLICATION_TASK_TAG 0
 
+/* USE_POSIX_ERRNO enables the task global FreeRTOS_errno variable which will
+ * containthe most recent error for that task. */
+#define configUSE_POSIX_ERRNO 0
+
 /* Set the following INCLUDE_* constants to 1 to incldue the named API function,
  * or 0 to exclude the named API function.  Most linkers will remove unused
  * functions even when the constant is 1. */