X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=bertos%2Fdrv%2Ftimer.h;h=a68ee5b21dd9703735582fdad4c701ea7f10ec69;hb=11bd07ba56015a0ad55fc0cb3b41d0757dcdc03f;hp=de2680093243d1b47d0ec5884b3c56c94cea13db;hpb=05248535066bcff365b2aa6c9c3b7fa0e5a4f475;p=bertos.git

diff --git a/bertos/drv/timer.h b/bertos/drv/timer.h
index de268009..a68ee5b2 100644
--- a/bertos/drv/timer.h
+++ b/bertos/drv/timer.h
@@ -30,6 +30,10 @@
  * Copyright 2000, 2008 Bernie Innocenti <bernie@codewiz.org>
  * -->
  *
+ * \defgroup drv_timers Timer module
+ * \ingroup core
+ * \{
+ *
  * \brief Hardware independent timer driver.
  *
  * All timer related functions are implemented in this module. You have several options to use timers:
@@ -41,7 +45,6 @@
  * Whenever a timer expires you need to explicitly arm it again with timer_add(). If you want to abort a timer, use timer_abort().
  * You can use conversion macros when using msecs to specify the delay.
  *
- * \version $Id$
  * \author Bernie Innocenti <bernie@codewiz.org>
  *
  * $WIZ$ module_name = "timer"
@@ -97,6 +100,9 @@ STATIC_ASSERT(sizeof(hptime_t) == SIZEOF_HPTIME_T);
 
 extern volatile ticks_t _clock;
 
+#define TIMER_AFTER(x, y) ((long)(y) - (long)(x) < 0)
+#define TIMER_BEFORE(x, y) TIMER_AFTER(y, x)
+
 /**
  * \brief Return the system tick counter (expressed in ticks)
  *
@@ -146,6 +152,7 @@ INLINE ticks_t timer_clock_unlocked(void)
 	return _clock;
 }
 
+
 /** Convert \a ms [ms] to ticks. */
 INLINE ticks_t ms_to_ticks(mtime_t ms)
 {
@@ -313,4 +320,6 @@ INLINE void timer_setSignal(Timer *timer, struct Process *proc, sigmask_t sigs)
 
 #endif /* CONFIG_KERN_SIGNALS */
 
+/** \} */ //defgroup drv_timers
+
 #endif /* DRV_TIMER_H */