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diff --git a/projects/microb2010/tests/hostsim/scheduler_config.h b/projects/microb2010/tests/hostsim/scheduler_config.h
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+/*  
+ *  Copyright Droids Corporation, Microb Technology, Eirbot (2005)
+ * 
+ *  This program 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  Revision : $Id: scheduler_config.h,v 1.4.10.7 2007-11-27 23:16:15 zer0 Exp $
+ *
+ */
+
+#ifndef _SCHEDULER_CONFIG_H_
+#define _SCHEDULER_CONFIG_H_
+
+#define _SCHEDULER_CONFIG_VERSION_ 4
+
+/** maximum number of allocated events */
+#define SCHEDULER_NB_MAX_EVENT 5
+
+
+/* define it only if CONFIG_MODULE_SCHEDULER_USE_TIMERS is enabled. In
+   this case, precaler is defined in timers_config.h in your project
+   directory. */
+#ifdef CONFIG_MODULE_SCHEDULER_USE_TIMERS
+/** the num of the timer to use for the scheduler */
+#define SCHEDULER_TIMER_NUM 0
+
+/* or set the prescaler manually (in this case, you use must TIMER0,
+   and the prescaler must be a correct value regarding the AVR device
+   you are using (look in include/aversive/parts.h). Obviously, the
+   values of SCHEDULER_CK and SCHEDULER_CLOCK_PRESCALER must also be
+   coherent (TIMER0_PRESCALER_DIV_VALUE and VALUE) */
+#endif /* CONFIG_MODULE_SCHEDULER_USE_TIMERS */
+
+
+#ifdef CONFIG_MODULE_SCHEDULER_TIMER0
+/* The 2 values below MUST be coherent: 
+ * if  SCHEDULER_CK = TIMER0_PRESCALER_DIV_x, then 
+ * you must have SCHEDULER_CLOCK_PRESCALER = x too !!! */
+#define SCHEDULER_CK TIMER0_PRESCALER_DIV_8
+#define SCHEDULER_CLOCK_PRESCALER 8 
+
+#endif /* CONFIG_MODULE_SCHEDULER_TIMER0 */
+
+/* last case, the scheduler is called manually. The user has to
+   define the period here */
+#ifdef CONFIG_MODULE_SCHEDULER_MANUAL
+
+#define SCHEDULER_UNIT_FLOAT 1000.0
+#define SCHEDULER_UNIT 1000UL
+
+#endif /* CONFIG_MODULE_SCHEDULER_MANUAL */
+
+/** number of allowed imbricated scheduler interrupts. The maximum
+ * should be SCHEDULER_NB_MAX_EVENT since we never need to imbricate
+ * more than once per event. If it is less, it can avoid to browse the
+ * event table, events are delayed (we loose precision) but it takes
+ * less CPU */
+#define SCHEDULER_NB_STACKING_MAX SCHEDULER_NB_MAX_EVENT
+
+/** define it for debug infos (not recommended, because very slow on
+ *  an AVR, it uses printf in an interrupt). It can be useful if
+ *  prescaler is very high, making the timer interrupt period very
+ *  long in comparison to printf() */
+/* #define SCHEDULER_DEBUG */
+
+#endif // _SCHEDULER_CONFIG_H_