Modularize hardware access; Port to new timer interface.

[bertos.git] / drv / timer.c

diff --git a/drv/timer.c b/drv/timer.c
index 2bffa92d9d3ffc6aa383495c2481d5852569c4b9..c1f161454f7deea37dc1d429f487c7b7408eabc7 100755 (executable)
--- a/drv/timer.c
+++ b/drv/timer.c
@@ -14,6 +14,18 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.24  2005/04/11 19:10:28  bernie
+ *#* Include top-level headers from cfg/ subdir.
+ *#*
+ *#* Revision 1.23  2004/12/13 12:07:06  bernie
+ *#* DISABLE_IRQSAVE/ENABLE_IRQRESTORE: Convert to IRQ_SAVE_DISABLE/IRQ_RESTORE.
+ *#*
+ *#* Revision 1.22  2004/12/08 09:12:09  bernie
+ *#* Rename time_t to mtime_t.
+ *#*
+ *#* Revision 1.21  2004/11/28 23:20:25  bernie
+ *#* Remove obsolete INITLIST macro.
+ *#*
  *#* Revision 1.20  2004/11/16 20:59:06  bernie
  *#* Add watchdog timer support.
  *#*
@@ -74,11 +86,11 @@
  *#*/
 
 #include "timer.h"
-#include <cpu.h>
+#include <cfg/cpu.h>
 #include <hw.h>
 #include CPU_HEADER(timer)
-#include <debug.h>
-#include <config.h>
+#include <cfg/debug.h>
+#include <cfg/config.h>
 
 /*
  * Sanity check for config parameters required by this module.
@@ -117,7 +129,7 @@
 
 
 //! Master system clock (1ms accuracy)
-volatile time_t _clock;
+volatile mtime_t _clock;
 
 
 #ifndef CONFIG_TIMER_DISABLE_EVENTS
@@ -140,7 +152,7 @@ void timer_add(Timer *timer)
        Timer *node;
        cpuflags_t flags;
 
-       DISABLE_IRQSAVE(flags);
+       IRQ_SAVE_DISABLE(flags);
 
        /* Calculate expiration time for this timer */
        timer->tick = _clock + timer->delay;
@@ -166,19 +178,16 @@ void timer_add(Timer *timer)
        /* Enqueue timer request into the list */
        INSERTBEFORE(&timer->link, &node->link);
 
-       ENABLE_IRQRESTORE(flags);
+       IRQ_RESTORE(flags);
 }
 
 
 /*!
- * Remove a timer from the timer queue before it has expired
+ * Remove a timer from the timer queue before it has expired.
  */
 Timer *timer_abort(Timer *timer)
 {
-       cpuflags_t flags;
-       DISABLE_IRQSAVE(flags);
-       REMOVE(&timer->link);
-       ENABLE_IRQRESTORE(flags);
+       ATOMIC(REMOVE(&timer->link));
 
        return timer;
 }
@@ -187,9 +196,9 @@ Timer *timer_abort(Timer *timer)
 
 
 /*!
- * Wait for the specified amount of time (expressed in ms)
+ * Wait for the specified amount of time (expressed in ms).
  */
-void timer_delay(time_t time)
+void timer_delay(mtime_t time)
 {
 #if defined(IRQ_GETSTATE)
        /* We shouldn't sleep with interrupts disabled */
@@ -207,7 +216,7 @@ void timer_delay(time_t time)
 
 #else /* !CONFIG_KERN_SIGNALS */
 
-       time_t start = timer_ticks();
+       mtime_t start = timer_ticks();
 
        /* Busy wait */
        while (timer_ticks() - start < time)
@@ -223,7 +232,7 @@ void timer_delay(time_t time)
 
 #ifndef CONFIG_TIMER_DISABLE_UDELAY
 /*!
- * Wait for the specified amount of time (expressed in microseconds)
+ * Wait for the specified amount of time (expressed in microseconds).
  *
  * \bug In AVR arch the maximum amount of time that can be used as
  *      delay could be very limited, depending on the hardware timer
@@ -309,7 +318,7 @@ void timer_init(void)
        TIMER_STROBE_INIT;
 
 #ifndef CONFIG_TIMER_DISABLE_EVENTS
-       INITLIST(&timers_queue);
+       LIST_INIT(&timers_queue);
 #endif
 
        _clock = 0;