X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Fbuzzer.c;h=63cbc4a8c7c01694c0b5a0bee5b16005f06bcd39;hb=633a26b43c6a9a43ecb1d08425fbb53145e10bc1;hp=5f3349e130b5ecbcdf120c0087b47eb5bdc38d03;hpb=7ee3b3c3da60b181d18336e892d8d0920166f5ae;p=bertos.git diff --git a/drv/buzzer.c b/drv/buzzer.c old mode 100755 new mode 100644 index 5f3349e1..63cbc4a8 --- a/drv/buzzer.c +++ b/drv/buzzer.c @@ -1,98 +1,100 @@ -/*! +/** * \file * * * \version $Id$ * - * \author Bernardo Innocenti + * \brief Buzzer driver (implementation) * - * \brief Buzzer driver + * \version $Id$ + * \author Bernardo Innocenti + * \author Francesco Sacchi */ -/* - * $Log$ - * Revision 1.2 2004/05/23 18:21:53 bernie - * Trim CVS logs and cleanup header info. - * - */ +/*#* + *#* $Log$ + *#* Revision 1.19 2006/07/19 12:56:25 bernie + *#* Convert to new Doxygen style. + *#* + *#* Revision 1.18 2006/02/17 21:15:25 bernie + *#* Add MOD_CHECK() checks. + *#* + *#* Revision 1.17 2006/02/10 12:30:18 bernie + *#* Push interrupt protection inside hw module. + *#* + *#* Revision 1.16 2005/11/04 16:19:33 bernie + *#* buz_init(): Restore IRQ protection as in project_bko. + *#* + *#* Revision 1.15 2005/06/27 21:25:50 bernie + *#* Modularize hardware access; Port to new timer interface. + *#* + *#* 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 - - -#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__) - -# define IS_BUZZER_ON (PORTG & BV(PORTG0)) - - /** - * 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) - -#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 */ + +#include +#include + +#include + +#include +#include /* 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; -/*! +/** * Turn off buzzer, called by software timer */ static void buz_softint(void) @@ -103,8 +105,8 @@ static void buz_softint(void) if (buz_repeat_interval) { /* Wait for interval time */ - buz_timer->delay = buz_repeat_interval; - timer_add(buz_timer); + timer_setDelay(&buz_timer, ms_to_ticks(buz_repeat_interval)); + timer_add(&buz_timer); } else buz_timer_running = false; @@ -113,42 +115,42 @@ static void buz_softint(void) { /* Wait for beep time */ BUZZER_ON; - buz_timer->delay = buz_repeat_duration; - timer_add(buz_timer); + timer_setDelay(&buz_timer, ms_to_ticks(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); + timer_setDelay(&buz_timer, ms_to_ticks(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; @@ -156,37 +158,40 @@ void buz_repeat_start(time_t duration, time_t interval) } -/*! +/** * Stop buzzer repetition */ 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); } +MOD_DEFINE(buzzer) -/*! - * Initialize buzzer +/** + * Initialize buzzer. */ void buz_init(void) { - BUZZER_INIT; + MOD_CHECK(timer); + + BUZZER_HW_INIT; + + /* Init software interrupt. */ + timer_set_event_softint(&buz_timer, (Hook)buz_softint, 0); - /* Inizializza software interrupt */ - buz_timer = timer_new(); - ASSERT(buz_timer != NULL); - INITEVENT_INT(&buz_timer->expire, (Hook)buz_softint, 0); + MOD_INIT(buzzer); }