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Diffstat (limited to 'src/include/vt.h')
| -rw-r--r-- | src/include/vt.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/src/include/vt.h b/src/include/vt.h deleted file mode 100644 index 003cffd45..000000000 --- a/src/include/vt.h +++ /dev/null @@ -1,125 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file vt.h
- * @brief Time macros and structures.
- * @addtogroup Time
- * @{
- */
-
-#ifndef _VT_H_
-#define _VT_H_
-
-/**
- * Time conversion utility. Converts from seconds to system ticks number.
- */
-#define S2ST(sec) ((systime_t)((sec) * CH_FREQUENCY))
-
-/**
- * Time conversion utility. Converts from milliseconds to system ticks number.
- * @note The result is rounded upward to the next tick boundary.
- */
-#define MS2ST(msec) ((systime_t)(((((msec) - 1L) * CH_FREQUENCY) / 1000L) + 1L))
-
-/**
- * Time conversion utility. Converts from microseconds to system ticks number.
- * @note The result is rounded upward to the next tick boundary.
- */
-#define US2ST(usec) ((systime_t)(((((usec) - 1L) * CH_FREQUENCY) / 1000000L) + 1L))
-
-/** Virtual Timer callback function.*/
-typedef void (*vtfunc_t)(void *);
-
-typedef struct VirtualTimer VirtualTimer;
-
-/**
- * @brief Virtual Timer descriptor structure.
- * @extends DeltaList
- */
-struct VirtualTimer {
- VirtualTimer *vt_next; /**< Next timer in the delta list.*/
- VirtualTimer *vt_prev; /**< Previous timer in the delta list.*/
- systime_t vt_time; /**< Time delta before timeout.*/
- vtfunc_t vt_func; /**< Timer callback function pointer.
- The pointer is reset to zero after
- the callback is invoked.*/
- void *vt_par; /**< Timer callback function
- parameter.*/
-};
-
-/**
- * @brief Virtual timers list header.
- * @note The delta list is implemented as a double link bidirectional list in
- * order to make the unlink time constant, the reset of a virtual timer
- * is often used in the code.
- */
-typedef struct {
- VirtualTimer *vt_next; /**< Next timer in the delta list (the
- one that will be triggered next).*/
- VirtualTimer *vt_prev; /**< Last timer in the delta list.*/
- systime_t vt_time; /**< Must be initialized to -1.*/
- volatile systime_t vt_systime; /**< System Time counter.*/
-} VTList;
-
-extern VTList vtlist;
-
-#define chVTDoTickI() { \
- vtlist.vt_systime++; \
- if (&vtlist != (VTList *)vtlist.vt_next) { \
- VirtualTimer *vtp; \
- \
- --vtlist.vt_next->vt_time; \
- while (!(vtp = vtlist.vt_next)->vt_time) { \
- vtfunc_t fn = vtp->vt_func; \
- vtp->vt_func = NULL; \
- (vtp->vt_next->vt_prev = (void *)&vtlist)->vt_next = vtp->vt_next;\
- fn(vtp->vt_par); \
- } \
- } \
-}
-
-/*
- * Virtual Timers APIs.
- */
-#ifdef __cplusplus
-extern "C" {
-#endif
- void vt_init(void);
- void chVTSetI(VirtualTimer *vtp, systime_t time, vtfunc_t vtfunc, void *par);
- void chVTResetI(VirtualTimer *vtp);
- bool_t chTimeIsWithin(systime_t start, systime_t end);
-#ifdef __cplusplus
-}
-#endif
-
-/** Returns TRUE if the speciified timer is armed.*/
-#define chVTIsArmedI(vtp) ((vtp)->vt_func != NULL)
-
-/**
- * Returns the number of system ticks since the @p chSysInit() invocation.
- * @return the system ticks number
- * @note The counter can reach its maximum and then returns to zero.
- * @note This function is designed to work with the @p chThdSleepUntil().
- */
-#define chTimeNow() (vtlist.vt_systime)
-
-#endif /* _VT_H_ */
-
-/** @} */
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