X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Ftimer.h;h=0063ff4d606880ed69ccd3f2d124c1a30ba25c43;hb=85760a6e32e79740c1af4ca58710478bebb48cf6;hp=f251ff82e697c0645db73962850a84a73922e2fb;hpb=3b9a407e4f8ed59e5d31f3e5abe395e5d7129500;p=bertos.git diff --git a/bertos/drv/timer.h b/bertos/drv/timer.h index f251ff82..0063ff4d 100644 --- a/bertos/drv/timer.h +++ b/bertos/drv/timer.h @@ -27,16 +27,17 @@ * the GNU General Public License. * * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/) - * Copyright 2000 Bernie Innocenti - * + * Copyright 2000, 2008 Bernie Innocenti * --> * - * \brief Hardware independent timer driver (interface) + * \brief Hardware independent timer driver. * * \version $Id$ - * * \author Bernie Innocenti * + * $WIZ$ module_name = "timer" + * $WIZ$ module_configuration = "bertos/cfg/cfg_timer.h" + * $WIZ$ module_supports = "not atmega103" */ #ifndef DRV_TIMER_H @@ -54,7 +55,8 @@ * Try the CPU specific one for bare-metal environments. */ #if OS_HOSTED - #include OS_HEADER(timer) + //#include OS_HEADER(timer) + #include #else #include CPU_HEADER(timer) #endif @@ -63,8 +65,23 @@ #include #include -#include +#include +/* + * Sanity check for config parameters required by this module. + */ +#if !defined(CONFIG_TIMER_EVENTS) || ((CONFIG_TIMER_EVENTS != 0) && CONFIG_TIMER_EVENTS != 1) + #error CONFIG_TIMER_EVENTS must be set to either 0 or 1 in cfg_timer.h +#endif +#if !defined(CONFIG_TIMER_UDELAY) || ((CONFIG_TIMER_UDELAY != 0) && CONFIG_TIMER_EVENTS != 1) + #error CONFIG_TIMER_UDELAY must be set to either 0 or 1 in cfg_timer.h +#endif +#if defined(CONFIG_TIMER_DISABLE_UDELAY) + #error Obosolete config option CONFIG_TIMER_DISABLE_UDELAY. Use CONFIG_TIMER_UDELAY +#endif +#if defined(CONFIG_TIMER_DISABLE_EVENTS) + #error Obosolete config option CONFIG_TIMER_DISABLE_EVENTS. Use CONFIG_TIMER_EVENTS +#endif extern volatile ticks_t _clock; @@ -77,12 +94,18 @@ extern volatile ticks_t _clock; * The following code is safe: * * \code + * drop_teabag(); * ticks_t tea_start_time = timer_clock(); * - * boil_water(); - * - * if (timer_clock() - tea_start_time > TEAPOT_DELAY) - * printf("Your tea, Sir.\n"); + * for (;;) + * { + * if (timer_clock() - tea_start_time > TEAPOT_DELAY) + * { + * printf("Your tea, Sir.\n"); + * break; + * } + * patience(); + * } * \endcode * * \note This function must disable interrupts on 8/16bit CPUs because the @@ -178,18 +201,20 @@ INLINE utime_t hptime_to_us(hptime_t hpticks) #endif /* TIMER_HW_HPTICKS_PER_SEC < 100000UL */ } - -void timer_init(void); void timer_delayTicks(ticks_t delay); INLINE void timer_delay(mtime_t delay) { timer_delayTicks(ms_to_ticks(delay)); } + +void timer_init(void); +void timer_cleanup(void); + int timer_testSetup(void); int timer_testRun(void); int timer_testTearDown(void); -#if !defined(CONFIG_TIMER_DISABLE_UDELAY) +#if CONFIG_TIMER_UDELAY void timer_busyWait(hptime_t delay); void timer_delayHp(hptime_t delay); INLINE void timer_udelay(utime_t delay) @@ -198,7 +223,7 @@ INLINE void timer_udelay(utime_t delay) } #endif -#ifndef CONFIG_TIMER_DISABLE_EVENTS +#if CONFIG_TIMER_EVENTS #include @@ -212,8 +237,8 @@ INLINE void timer_udelay(utime_t delay) typedef struct Timer { Node link; /**< Link into timers queue */ - ticks_t _delay; /**< Timer delay in ms */ - ticks_t tick; /**< Timer will expire at this tick */ + ticks_t _delay; /**< [ticks] Timer delay */ + ticks_t tick; /**< [ticks] When this timer will expire */ Event expire; /**< Event to execute when the timer expires */ DB(uint16_t magic;) } Timer; @@ -226,9 +251,9 @@ void timer_add(Timer *timer); Timer *timer_abort(Timer *timer); /** Set the timer so that it calls an user hook when it expires */ -INLINE void timer_set_event_softint(Timer *timer, Hook func, iptr_t user_data) +INLINE void timer_setSoftint(Timer *timer, Hook func, iptr_t user_data) { - event_initSoftInt(&timer->expire, func, user_data); + event_initSoftint(&timer->expire, func, user_data); } /** Set the timer delay (the time before the event will be triggered) */ @@ -237,17 +262,18 @@ INLINE void timer_setDelay(Timer *timer, ticks_t delay) timer->_delay = delay; } -#endif /* CONFIG_TIMER_DISABLE_EVENTS */ +#endif /* CONFIG_TIMER_EVENTS */ #if defined(CONFIG_KERN_SIGNALS) && CONFIG_KERN_SIGNALS /** Set the timer so that it sends a signal when it expires */ -INLINE void timer_set_event_signal(Timer *timer, struct Process *proc, sigmask_t sigs) +INLINE void timer_setSignal(Timer *timer, struct Process *proc, sigmask_t sigs) { event_initSignal(&timer->expire, proc, sigs); } -#endif /* CONFIG_KERN_SIGNALS */ +#define timer_set_event_signal timer_setSignal +#endif /* CONFIG_KERN_SIGNALS */ #endif /* DRV_TIMER_H */