X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Ftimer.h;h=5696823a3e156ce7ef1ceebff01bbecbf2c0b44e;hb=702bedb30a235a64f61f1d06653f8b22e39b5c5f;hp=cd7aa1b48f6344f8bda8d235a4557b1b901b3f4b;hpb=791e167e053bdd9250d34a9a5ccae6ccde4d6679;p=bertos.git diff --git a/bertos/drv/timer.h b/bertos/drv/timer.h index cd7aa1b4..5696823a 100644 --- a/bertos/drv/timer.h +++ b/bertos/drv/timer.h @@ -27,15 +27,19 @@ * the GNU General Public License. * * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/) - * Copyright 2000 Bernardo Innocenti - * + * Copyright 2000, 2008 Bernie Innocenti * --> * - * \version $Id$ + * \brief Hardware independent timer driver (interface) * - * \author Bernardo Innocenti + * \version $Id$ + * \author Bernie Innocenti * - * \brief Hardware independent timer driver (interface) + * $WIZARD_MODULE = { + * "name" : "timer", + * "depends" : [], + * "configuration" : "bertos/cfg/cfg_timer.h" + * } */ #ifndef DRV_TIMER_H @@ -43,6 +47,7 @@ #include #include + #include #include @@ -52,16 +57,33 @@ * 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 -#include +#include "cfg/cfg_timer.h" #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; @@ -74,12 +96,18 @@ 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 @@ -175,15 +203,20 @@ 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)); } -#if !defined(CONFIG_TIMER_DISABLE_UDELAY) +void timer_init(void); +void timer_cleanup(void); + +int timer_testSetup(void); +int timer_testRun(void); +int timer_testTearDown(void); + +#if CONFIG_TIMER_UDELAY void timer_busyWait(hptime_t delay); void timer_delayHp(hptime_t delay); INLINE void timer_udelay(utime_t delay) @@ -192,7 +225,7 @@ INLINE void timer_udelay(utime_t delay) } #endif -#ifndef CONFIG_TIMER_DISABLE_EVENTS +#if CONFIG_TIMER_EVENTS #include @@ -206,8 +239,8 @@ 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; @@ -216,13 +249,13 @@ typedef struct Timer #define TIMER_MAGIC_ACTIVE 0xABBA #define TIMER_MAGIC_INACTIVE 0xBAAB -extern void timer_add(Timer *timer); -extern Timer *timer_abort(Timer *timer); +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) */ @@ -231,17 +264,18 @@ 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 */