Include top-level headers from cfg/ subdir.

[bertos.git] / drv / timer.h

diff --git a/drv/timer.h b/drv/timer.h
index bb8c89dda02c34ce168e6cc7bbb937752528236e..bd7b1f7e8154cb1ef760cda37cd6b9c02e9f01dc 100755 (executable)
--- a/drv/timer.h
+++ b/drv/timer.h
@@ -15,6 +15,24 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.24  2005/04/11 19:10:28  bernie
+ *#* Include top-level headers from cfg/ subdir.
+ *#*
+ *#* Revision 1.23  2005/03/01 23:25:46  bernie
+ *#* Move event.h to mware/.
+ *#*
+ *#* Revision 1.22  2004/12/13 12:07:06  bernie
+ *#* DISABLE_IRQSAVE/ENABLE_IRQRESTORE: Convert to IRQ_SAVE_DISABLE/IRQ_RESTORE.
+ *#*
+ *#* Revision 1.21  2004/12/09 08:35:21  bernie
+ *#* Replace IPTR with iptr_t.
+ *#*
+ *#* Revision 1.20  2004/12/08 08:56:41  bernie
+ *#* Rename sigset_t to sigmask_t; Reformat.
+ *#*
+ *#* Revision 1.19  2004/12/08 08:30:37  bernie
+ *#* Convert to mtime_t; timer_minutes(): Remove.
+ *#*
  *#* Revision 1.18  2004/11/16 23:09:52  bernie
  *#* Disable timer_minutes() for targets with 16bit time_t.
  *#*
@@ -68,17 +86,17 @@
 #ifndef DRV_TIMER_H
 #define DRV_TIMER_H
 
-#include "cpu.h"
-#include "compiler.h"
-#include <config.h>
 #include <mware/list.h>
+#include <cfg/cpu.h>
+#include <cfg/compiler.h>
+#include <cfg/config.h>
 
 /*! Number of timer ticks per second. */
-#define TICKS_PER_SEC  ((time_t)1000)
+#define TICKS_PER_SEC  ((mtime_t)1000)
 
 /* Function protos */
 extern void timer_init(void);
-extern void timer_delay(time_t time);
+extern void timer_delay(mtime_t time);
 
 #ifndef CONFIG_TIMER_DISABLE_UDELAY
 extern void timer_udelay(utime_t utime);
@@ -87,11 +105,7 @@ extern void timer_udelay(utime_t utime);
 
 #ifndef CONFIG_TIMER_DISABLE_EVENTS
 
-#if CONFIG_KERNEL
-       #include <kern/event.h>
-#else
-       #include <mware/event.h>
-#endif
+#include <mware/event.h>
 
 /*!
  * The timer driver supports multiple synchronous timers
@@ -102,10 +116,10 @@ extern void timer_udelay(utime_t utime);
  */
 typedef struct Timer
 {
-       Node   link;      /*!< Link into timers queue */
-       time_t delay;     /*!< Timer delay in ms */
-       time_t tick;      /*!< Timer will expire at this tick */
-       Event  expire;    /*!< Event to execute when the timer expires */
+       Node    link;     /*!< Link into timers queue */
+       mtime_t delay;    /*!< Timer delay in ms */
+       mtime_t tick;     /*!< Timer will expire at this tick */
+       Event   expire;   /*!< Event to execute when the timer expires */
 } Timer;
 
 extern void timer_add(Timer *timer);
@@ -114,7 +128,7 @@ extern Timer *timer_abort(Timer *timer);
 #if defined(CONFIG_KERN_SIGNALS) && CONFIG_KERN_SIGNALS
 
 /*! Set the timer so that it sends a signal when it expires */
-INLINE void timer_set_event_signal(Timer* timer, struct Process* proc, sigset_t sigs)
+INLINE void timer_set_event_signal(Timer *timer, struct Process *proc, sigmask_t sigs)
 {
        event_initSignal(&timer->expire, proc, sigs);
 }
@@ -122,20 +136,20 @@ INLINE void timer_set_event_signal(Timer* timer, struct Process* proc, sigset_t
 #endif /* CONFIG_KERN_SIGNALS */
 
 /*! Set the timer so that it calls an user hook when it expires */
-INLINE void timer_set_event_softint(Timer* timer, Hook func, void* user_data)
+INLINE void timer_set_event_softint(Timer *timer, Hook func, iptr_t user_data)
 {
        event_initSoftInt(&timer->expire, func, user_data);
 }
 
 /*! Set the timer delay (the time before the event will be triggered) */
-INLINE void timer_set_delay(Timer* timer, time_t delay)
+INLINE void timer_set_delay(Timer *timer, mtime_t delay)
 {
        timer->delay = delay;
 }
 
 #endif /* CONFIG_TIMER_DISABLE_EVENTS */
 
-extern volatile time_t _clock;
+extern volatile mtime_t _clock;
 
 /*!
  * \brief Return the system tick counter (expressed in ms)
@@ -146,7 +160,7 @@ extern volatile time_t _clock;
  * The following code is safe:
  *
  * \code
- *   time_t tea_start_time = get_tick();
+ *   mtime_t tea_start_time = get_tick();
  *
  *   boil_water();
  *
@@ -154,21 +168,18 @@ extern volatile time_t _clock;
  *       printf("Your tea, Sir.\n");
  * \endcode
  *
- * When the tick counter increments every millisecond and time_t
+ * When the tick counter increments every millisecond and mtime_t
  * is 32bit wide, the tick count will overflow every 49.7 days.
  *
  * \note This function must disable interrupts on 8/16bit CPUs because the
  * clock variable is larger than the processor word size and can't
  * be copied atomically.
  */
-INLINE time_t timer_ticks(void)
+INLINE mtime_t timer_ticks(void)
 {
-       time_t result;
-       cpuflags_t flags;
+       mtime_t result;
 
-       DISABLE_IRQSAVE(flags);
-       result = _clock;
-       ENABLE_IRQRESTORE(flags);
+       ATOMIC(result = _clock);
 
        return result;
 }
@@ -181,31 +192,9 @@ INLINE time_t timer_ticks(void)
  *
  * \sa timer_ticks
  */
-INLINE time_t timer_ticks_unlocked(void)
+INLINE mtime_t timer_ticks_unlocked(void)
 {
        return _clock;
 }
 
-
-/*
- * timer_minutes() makes no sense when time_t is 16bit because
- * it overflows every 65.536 seconds.
- */
-#if SIZEOF_TIME_T >= 4
-
-/*!
- * Return the minutes passed since timer start.
- *
- * The minutes uptime is computed directly from system tick counter:
- * in case of a 4 bytes time_t after 71582 minutes the value will
- * wrap around.
- */
-INLINE time_t timer_minutes(void)
-{
-       return timer_ticks() / (TICKS_PER_SEC * 60);
-}
-
-#endif /* SIZEOF_TIME_T >= 4 */
-
 #endif /* DRV_TIMER_H */
-