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+/*
+ 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 evtimer.h
+ * @brief Events Generator Timer structures and macros.
+ * @addtogroup event_timer
+ * @{
+ */
+
+#ifndef _EVTIMER_H_
+#define _EVTIMER_H_
+
+/**
+ * @brief Event timer structure.
+ */
+typedef struct {
+ VirtualTimer et_vt;
+ EventSource et_es;
+ systime_t et_interval;
+} EvTimer;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void evtStart(EvTimer *etp);
+ void evtStop(EvTimer *etp);
+#ifdef __cplusplus
+}
+#endif
+
+/**
+ * @brief Initializes an @p EvTimer structure.
+ *
+ * @param etp the EvTimer structure to be initialized
+ * @param time the interval in system ticks
+ */
+#define evtInit(etp, time) { \
+ chEvtInit(&(etp)->et_es); \
+ (etp)->et_vt.vt_func = NULL; \
+ (etp)->et_interval = (time); \
+}
+
+#endif /* _EVTIMER_H_ */
+
+/** @} */