X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcfg%2Fcfg_kern.h;h=4b2286b364f60ac0315192254a25486fa33bf6db;hb=780f975602d282f0d2599e6601d7fee29d493762;hp=f11c2bcc8234d1dfea6cdb7295a8038a3e721530;hpb=623e3552b249d49cd8a9fcfe8a5f86d6af2ef1a1;p=bertos.git

diff --git a/bertos/cfg/cfg_kern.h b/bertos/cfg/cfg_kern.h
index f11c2bcc..4b2286b3 100644
--- a/bertos/cfg/cfg_kern.h
+++ b/bertos/cfg/cfg_kern.h
@@ -42,12 +42,12 @@
 #include "cfg/cfg_arch.h"  /* ARCH_EMUL */
 
 /**
- * Multithreading kernel.
+ * Enable the multithreading kernel.
  */
 #define CONFIG_KERNEL 0
 
 /**
- * \name Modules activation
+ * \name Optional kernel features
  *
  * \{
  */
@@ -55,16 +55,19 @@
 #define CONFIG_KERN_SCHED       (0)
 #define CONFIG_KERN_SIGNALS     (0    && CONFIG_KERN_SCHED)
 #define CONFIG_KERN_TIMER       (0)
+#define CONFIG_KERN_IRQ         (0)
 #define CONFIG_KERN_HEAP        (0)
 #define CONFIG_KERN_SEMAPHORES  (0    && CONFIG_KERN_SIGNALS)
 #define CONFIG_KERN_MONITOR     (0    && CONFIG_KERN_SCHED)
-/*\}*/
+#define CONFIG_KERN_PREEMPT     (0    && CONFIG_KERN_SCHED && CONFIG_KERN_TIMER && CONFIG_KERN_IRQ)
 
 /* EXPERIMENTAL */
-#define CONFIG_KERN_PREEMPTIVE  (0    && CONFIG_KERN_SCHED && CONFIG_KERN_TIMER)
 
-/// Time sharing quantum in timer ticks.
-#define CONFIG_KERN_QUANTUM     50
+/* OBSOLETE */
+#define CONFIG_KERN_PREEMPTIVE CONFIG_KERN_PREEMPT
+
+/// [ms] Time sharing quantum (a prime number prevents interference effects)
+#define CONFIG_KERN_QUANTUM     47
 
 /// Module logging level.
 #define KERN_LOG_LEVEL      LOG_LVL_ERR