X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Fbuzzer.c;h=042d06cc76be47d8f27a054e0f813b38d5b05208;hb=HEAD;hp=89af625d9c281336092a492d73751e05e68f24d9;hpb=680ecaecd7ed77d044fbf333ce97e533b04bbfa3;p=bertos.git diff --git a/drv/buzzer.c b/drv/buzzer.c deleted file mode 100755 index 89af625d..00000000 --- a/drv/buzzer.c +++ /dev/null @@ -1,206 +0,0 @@ -/*! - * \file - * - * - * \version $Id$ - * - * \brief Buzzer driver (implementation) - * - * \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. - *#* - *#* Revision 1.8 2004/08/25 14:12:08 rasky - *#* Aggiornato il comment block dei log RCS - *#* - *#* Revision 1.7 2004/08/24 16:53:43 bernie - *#* Add missing headers. - *#* - *#* Revision 1.6 2004/06/07 18:10:06 aleph - *#* Remove free pool of timers; use user-provided Timer structure instead - *#* - *#* Revision 1.5 2004/06/07 15:54:23 aleph - *#* Update to new event.h naming - *#* - *#* Revision 1.4 2004/06/06 16:09:22 bernie - *#* Reformat (from project_ks). - *#* - *#* 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. - *#* - *#*/ - -#include "buzzer.h" - -#include -#include -#include -#include -#include - - -#if (ARCH & ARCH_EMUL) - - int Emul_IsBuzzerOn(void); - void Emul_BuzzerOn(void); - 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()) - -#elif defined(__AVR__) - - #include - - #define IS_BUZZER_ON (PORTG & BV(PG0)) - - /*! - * \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 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) - -#endif /* ARCH, __AVR__, __IAR_SYSTEM_ICC */ - - -/* Local vars */ -static Timer buz_timer; -static bool buz_timer_running; -static mtime_t buz_repeat_interval; -static mtime_t buz_repeat_duration; - - -/*! - * Turn off buzzer, called by software timer - */ -static void buz_softint(void) -{ - if (IS_BUZZER_ON) - { - BUZZER_OFF; - if (buz_repeat_interval) - { - /* Wait for interval time */ - buz_timer.delay = buz_repeat_interval; - timer_add(&buz_timer); - } - else - buz_timer_running = false; - } - else if (buz_repeat_interval) - { - /* Wait for beep time */ - BUZZER_ON; - buz_timer.delay = buz_repeat_duration; - timer_add(&buz_timer); - } - else - buz_timer_running = false; -} - - -/*! - * Beep for the specified ms time - */ -void buz_beep(mtime_t time) -{ - cpuflags_t flags; - IRQ_SAVE_DISABLE(flags); - - /* Remove the software interrupt if it was already queued */ - if (buz_timer_running) - 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); - - IRQ_RESTORE(flags); -} - - -/*! - * Start buzzer repetition - */ -void buz_repeat_start(mtime_t duration, mtime_t interval) -{ - buz_repeat_interval = interval; - buz_repeat_duration = duration; - buz_beep(duration); -} - - -/*! - * Stop buzzer repetition - */ -void buz_repeat_stop(void) -{ - cpuflags_t flags; - IRQ_SAVE_DISABLE(flags); - - /* Remove the software interrupt if it was already queued */ - if (buz_timer_running) - { - timer_abort(&buz_timer); - buz_timer_running = false; - } - - buz_repeat_interval = 0; - BUZZER_OFF; - - IRQ_RESTORE(flags); -} - - -/*! - * Initialize buzzer - */ -void buz_init(void) -{ - BUZZER_INIT; - - /* Inizializza software interrupt */ - event_initSoftInt(&buz_timer.expire, (Hook)buz_softint, 0); -}