X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=drv%2Fbuzzer.c;h=89af625d9c281336092a492d73751e05e68f24d9;hb=c4c18f25df8d88b4dc8a9eb7a63940ea13fd59fa;hp=a4301a3df1a2c703dc1d4d29ca6c2ff57c42fe9b;hpb=c828f63c3be2b8302a44f470d099c04fc7cbcf88;p=bertos.git diff --git a/drv/buzzer.c b/drv/buzzer.c index a4301a3d..89af625d 100755 --- a/drv/buzzer.c +++ b/drv/buzzer.c @@ -8,13 +8,23 @@ * * \version $Id$ * - * \author Bernardo Innocenti + * \brief Buzzer driver (implementation) * - * \brief Buzzer driver + * \version $Id$ + * \author Bernardo Innocenti */ /*#* *#* $Log$ + *#* 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 + #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); }