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[bertos.git] / drv / buzzer.c

diff --git a/drv/buzzer.c b/drv/buzzer.c
index a4301a3df1a2c703dc1d4d29ca6c2ff57c42fe9b..89af625d9c281336092a492d73751e05e68f24d9 100755 (executable)
--- a/drv/buzzer.c
+++ b/drv/buzzer.c
@@ -8,13 +8,23 @@
  *
  * \version $Id$
  *
- * \author Bernardo Innocenti <bernie@develer.com>
+ * \brief Buzzer driver (implementation)
  *
- * \brief Buzzer driver
+ * \version $Id$
+ * \author Bernardo Innocenti <bernie@develer.com>
  */
 
 /*#*
  *#* $Log$
+ *#* Revision 1.12  2004/12/13 12:07:06  bernie
+ *#* DISABLE_IRQSAVE/ENABLE_IRQRESTORE: Convert to IRQ_SAVE_DISABLE/IRQ_RESTORE.
+ *#*
+ *#* Revision 1.11  2004/12/08 09:11:53  bernie
+ *#* Rename time_t to mtime_t.
+ *#*
+ *#* Revision 1.10  2004/10/03 18:38:51  bernie
+ *#* Add missing AVR header; Fix header.
+ *#*
  *#* Revision 1.9  2004/09/14 21:01:25  bernie
  *#* Use new AVR port pin names.
  *#*
@@ -64,39 +74,22 @@
 
 #elif defined(__AVR__)
 
+       #include <avr/io.h>
+
        #define IS_BUZZER_ON  (PORTG & BV(PG0))
 
        /*!
-        * Buzzer manipulation macros
+        * \name Buzzer manipulation macros.
         *
         * \note Some PORTG functions are being used from
         *       interrupt code, so we must be careful to
         *       avoid race conditions.
+        * \{
         */
-       #define BUZZER_ON \
-       do { \
-               cpuflags_t _flags; \
-               DISABLE_IRQSAVE(_flags); \
-               PORTG |= BV(PG0); \
-               ENABLE_IRQRESTORE(_flags); \
-       } while (0)
-
-       #define BUZZER_OFF \
-       do { \
-               cpuflags_t _flags; \
-               DISABLE_IRQSAVE(_flags); \
-               PORTG &= ~BV(PG0); \
-               ENABLE_IRQRESTORE(_flags); \
-       } while (0)
-
-       #define BUZZER_INIT \
-       do { \
-               cpuflags_t _flags; \
-               DISABLE_IRQSAVE(_flags); \
-               PORTG &= ~BV(PG0); \
-               DDRG |= BV(PG0); \
-               ENABLE_IRQRESTORE(_flags); \
-       } while (0)
+       #define BUZZER_ON ATOMIC(PORTG |= BV(PG0))
+       #define BUZZER_OFF ATOMIC(PORTG &= ~BV(PG0))
+       #define BUZZER_INIT ATOMIC(PORTG &= ~BV(PG0); DDRG |= BV(PG0);)
+       /*\}*/
 
 #elif defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__) /* 80C196 */
 
@@ -111,8 +104,8 @@
 /* Local vars */
 static Timer buz_timer;
 static bool buz_timer_running;
-static time_t buz_repeat_interval;
-static time_t buz_repeat_duration;
+static mtime_t buz_repeat_interval;
+static mtime_t buz_repeat_duration;
 
 
 /*!
@@ -147,12 +140,12 @@ static void buz_softint(void)
 /*!
  * Beep for the specified ms time
  */
-void buz_beep(time_t time)
+void buz_beep(mtime_t time)
 {
        cpuflags_t flags;
+       IRQ_SAVE_DISABLE(flags);
 
        /* Remove the software interrupt if it was already queued */
-       DISABLE_IRQSAVE(flags);
        if (buz_timer_running)
                timer_abort(&buz_timer);
 
@@ -164,14 +157,14 @@ void buz_beep(time_t time)
        buz_timer.delay = time;
        timer_add(&buz_timer);
 
-       ENABLE_IRQRESTORE(flags);
+       IRQ_RESTORE(flags);
 }
 
 
 /*!
  * Start buzzer repetition
  */
-void buz_repeat_start(time_t duration, time_t interval)
+void buz_repeat_start(mtime_t duration, mtime_t interval)
 {
        buz_repeat_interval = interval;
        buz_repeat_duration = duration;
@@ -185,7 +178,7 @@ void buz_repeat_start(time_t duration, time_t interval)
 void buz_repeat_stop(void)
 {
        cpuflags_t flags;
-       DISABLE_IRQSAVE(flags);
+       IRQ_SAVE_DISABLE(flags);
 
        /* Remove the software interrupt if it was already queued */
        if (buz_timer_running)
@@ -197,7 +190,7 @@ void buz_repeat_stop(void)
        buz_repeat_interval = 0;
        BUZZER_OFF;
 
-       ENABLE_IRQRESTORE(flags);
+       IRQ_RESTORE(flags);
 }