2 * Copyright Droids Corporation, Microb Technology, Eirbot (2005)
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Revision : $Id: scheduler_config.h,v 1.1.2.1 2007-06-01 09:37:23 zer0 Exp $
22 #ifndef _SCHEDULER_CONFIG_H_
23 #define _SCHEDULER_CONFIG_H_
25 #define _SCHEDULER_CONFIG_VERSION_ 2
27 /** maximum number of allocated events */
28 #define SCHEDULER_NB_MAX_EVENT 5
31 /* define it only if CONFIG_MODULE_SCHEDULER_USE_TIMERS is enabled. In
32 this case, precaler is defined in timers_config.h in your project
34 #ifdef CONFIG_MODULE_SCHEDULER_USE_TIMERS
35 #define SCHEDULER_TIMER_REGISTER() timer0_register_OV_intr(scheduler_interrupt)
36 #define SCHEDULER_CLOCK_PRESCALER timer0_get_prescaler_div()
39 /* or set the prescaler manually (in this case, you use must TIMER0,
40 and the prescaler must be a correct value regarding the AVR device
41 you are using (look in include/aversive/parts.h). Obviously, the
42 values of SCHEDULER_CK and SCHEDULER_CLOCK_PRESCALER must also be
43 coherent (TIMER0_PRESCALER_DIV_VALUE and VALUE) */
44 #else /* CONFIG_MODULE_SCHEDULER_USE_TIMERS */
45 #define SCHEDULER_CK TIMER0_PRESCALER_DIV_8
46 #define SCHEDULER_CLOCK_PRESCALER 8 /* must coherent with value above */
48 #endif /* CONFIG_MODULE_SCHEDULER_USE_TIMERS */
51 /** number of allowed imbricated scheduler interrupts. The maximum
52 * should be SCHEDULER_NB_MAX_EVENT since we never need to imbricate
53 * more than once per event. If it is less, it can avoid to browse the
54 * event table, events are delayed (we loose precision) but it takes
56 #define SCHEDULER_NB_STACKING_MAX SCHEDULER_NB_MAX_EVENT
58 /** define it for debug infos (not recommended, because very slow on
59 * an AVR, it uses printf in an interrupt). It can be useful if
60 * prescaler is very high, making the timer interrupt period very
61 * long in comparison to printf() */
62 /* #define SCHEDULER_DEBUG */
64 #endif // _SCHEDULER_CONFIG_H_