/*!
* \file
* <!--
- * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999,2003 Bernardo Innocenti <bernie@develer.com>
- * This file is part of DevLib - See devlib/README for information.
+ * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 1999, 2003 Bernardo Innocenti <bernie@develer.com>
+ * This file is part of DevLib - See README.devlib for information.
* -->
*
* \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 1.3 2004/06/03 11:27:09 bernie
- * Add dual-license information.
- *
- * Revision 1.2 2004/05/23 18:21:53 bernie
- * Trim CVS logs and cleanup header info.
- *
- */
+/*#*
+ *#* $Log$
+ *#* Revision 1.14 2005/04/11 19:10:27 bernie
+ *#* Include top-level headers from cfg/ subdir.
+ *#*
+ *#* Revision 1.13 2005/02/18 11:20:15 bernie
+ *#* Use mware/event.h; Update copyright info.
+ *#*
+ *#* 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.
+ *#*/
-#include "hw.h"
-#include "kdebug.h"
-#include "timer.h"
#include "buzzer.h"
-#include <kern/event.h>
+
+#include <drv/timer.h>
+#include <mware/event.h>
+
+#include <cfg/macros.h> /* BV() */
+#include <cfg/debug.h>
+#include <hw.h>
+#include <cfg/arch_config.h>
#if (ARCH & ARCH_EMUL)
void Emul_BuzzerOff(void);
void Emul_BuzzerInit(void);
-# define IS_BUZZER_ON (Emul_IsBuzzerOn())
-# define BUZZER_ON (Emul_BuzzerOn())
-# define BUZZER_OFF (Emul_BuzzerOff())
-# define BUZZER_INIT (Emul_BuzzerInit())
+ #define IS_BUZZER_ON (Emul_IsBuzzerOn())
+ #define BUZZER_ON (Emul_BuzzerOn())
+ #define BUZZER_OFF (Emul_BuzzerOff())
+ #define BUZZER_INIT (Emul_BuzzerInit())
#elif defined(__AVR__)
-# define IS_BUZZER_ON (PORTG & BV(PORTG0))
+ #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(PORTG0); \
- ENABLE_IRQRESTORE(_flags); \
- } while (0)
-
-# define BUZZER_OFF \
- do { \
- cpuflags_t _flags; \
- DISABLE_IRQSAVE(_flags); \
- PORTG &= ~BV(PORTG0); \
- ENABLE_IRQRESTORE(_flags); \
- } while (0)
-
-# define BUZZER_INIT \
- do { \
- cpuflags_t _flags; \
- DISABLE_IRQSAVE(_flags); \
- PORTG &= ~BV(PORTG0); \
- DDRG |= BV(PORTG0); \
- 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 */
-# define IS_BUZZER_ON (cpld->Buzzer & 1)
-# define BUZZER_ON (cpld->Buzzer = 1)
-# define BUZZER_OFF (cpld->Buzzer = 0)
-# define BUZZER_INIT (cpld->Buzzer = 0)
+ #define IS_BUZZER_ON (cpld->Buzzer & 1)
+ #define BUZZER_ON (cpld->Buzzer = 1)
+ #define BUZZER_OFF (cpld->Buzzer = 0)
+ #define BUZZER_INIT (cpld->Buzzer = 0)
#endif /* ARCH, __AVR__, __IAR_SYSTEM_ICC */
/* Local vars */
-static Timer *buz_timer;
+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;
/*!
if (buz_repeat_interval)
{
/* Wait for interval time */
- buz_timer->delay = buz_repeat_interval;
- timer_add(buz_timer);
+ buz_timer.delay = buz_repeat_interval;
+ timer_add(&buz_timer);
}
else
buz_timer_running = false;
{
/* Wait for beep time */
BUZZER_ON;
- buz_timer->delay = buz_repeat_duration;
- timer_add(buz_timer);
+ buz_timer.delay = buz_repeat_duration;
+ timer_add(&buz_timer);
}
else
buz_timer_running = false;
/*!
* 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);
+ timer_abort(&buz_timer);
/* Turn on buzzer */
BUZZER_ON;
/* Add software interrupt to turn the buzzer off later */
buz_timer_running = true;
- buz_timer->delay = time;
- timer_add(buz_timer);
+ 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;
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)
{
- timer_abort(buz_timer);
+ timer_abort(&buz_timer);
buz_timer_running = false;
}
buz_repeat_interval = 0;
BUZZER_OFF;
- ENABLE_IRQRESTORE(flags);
+ IRQ_RESTORE(flags);
}
BUZZER_INIT;
/* Inizializza software interrupt */
- buz_timer = timer_new();
- ASSERT(buz_timer != NULL);
- INITEVENT_INT(&buz_timer->expire, (Hook)buz_softint, 0);
+ event_initSoftInt(&buz_timer.expire, (Hook)buz_softint, 0);
}
projects / bertos.git / blobdiff