X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Ftimer.h;h=9e3e2b30f282d47944d0a24ed524d81e5e177973;hb=HEAD;hp=88d9f2496fd061359adbc347b688f11eb16101af;hpb=0bdaf8448305a467ff057e8fa65fb922b6c5bc2f;p=bertos.git diff --git a/drv/timer.h b/drv/timer.h deleted file mode 100755 index 88d9f249..00000000 --- a/drv/timer.h +++ /dev/null @@ -1,125 +0,0 @@ -/*! - * \file - * - * - * \version $Id$ - * - * \author Bernardo Innocenti - * - * \brief Hardware independent timer driver (interface) - */ - -/* - * $Log$ - * Revision 1.7 2004/06/27 15:26:17 aleph - * Declaration fix for build with GCC 3.4 - * - * 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 15:57:12 aleph - * Add function prototypes - * - * Revision 1.4 2004/06/06 18:25:44 bernie - * Rename event macros to look like regular functions. - * - * Revision 1.3 2004/06/06 16:57:18 bernie - * Mark some functions INLINE instead of 'extern inline'. - * - * Revision 1.2 2004/06/03 11:27:09 bernie - * Add dual-license information. - * - * Revision 1.1 2004/05/23 18:23:30 bernie - * Import drv/timer module. - * - */ -#ifndef DRV_TIMER_H -#define DRV_TIMER_H - -#include "cpu.h" -#include "compiler.h" -#include -#include - -/*! Number of timer ticks per second. */ -#define TICKS_PER_SEC 1000 - -typedef struct Timer -{ - Node link; /*!< Link into timers queue */ - time_t delay; /*!< Timer delay in ms */ - time_t tick; /*!< Timer will expire at this tick */ - Event expire; /*!< Event to execute when the timer expires */ -} Timer; - -/* Function protos */ -extern void timer_init(void); -extern void timer_add(Timer *timer); -extern Timer *timer_abort(Timer *timer); -extern void timer_delay(time_t time); -extern void timer_udelay(utime_t utime); -INLINE time_t timer_gettick(void); -INLINE time_t timer_gettick_irq(void); -INLINE void timer_set_event_softint(Timer* timer, Hook func, void* user_data); -INLINE void timer_set_delay(Timer* timer, time_t delay); - -#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, sigset_t sigs); -INLINE void timer_set_event_signal(Timer* timer, struct Process* proc, sigset_t sigs) -{ - event_initSignal(&timer->expire, proc, sigs); -} - -#endif /* CONFIG_KERN_SIGNALS */ - -/*! Set the timer so that it calls an user hook when it expires */ -INLINE void timer_set_event_softint(Timer* timer, Hook func, void* user_data) -{ - event_initSoftInt(&timer->expire, func, user_data); -} - -/*! Set the timer delay (the time before the event will be triggered) */ -INLINE void timer_set_delay(Timer* timer, time_t delay) -{ - timer->delay = delay; -} - - -extern volatile time_t _clock; - -/*! - * Return the system tick counter (expressed in ms) - * This function must disable interrupts on 8/16bit CPUs because the - * clock variable is larger than the processor word size and can't - * be copied atomically. - */ -INLINE time_t timer_gettick(void) -{ - time_t result; - cpuflags_t flags; - - DISABLE_IRQSAVE(flags); - result = _clock; - ENABLE_IRQRESTORE(flags); - - return result; -} - - -/*! - * Like \c timer_gettick, faster version to be called - * from interrupt context only. - */ -INLINE time_t timer_gettick_irq(void) -{ - return _clock; -} - -#endif /* DRV_TIMER_H */ -