| [1] | 1 | /* |
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| 2 | * kern/rt_timer.h - real-time timer interface |
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| 3 | * |
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| 4 | * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless |
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| 5 | * Copyright (c) 2011,2012 UPMC Sorbonne Universites |
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| 6 | * |
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| 7 | * This file is part of ALMOS-kernel. |
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| 8 | * |
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| 9 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
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| 10 | * under the terms of the GNU General Public License as published by |
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| 11 | * the Free Software Foundation; version 2.0 of the License. |
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| 12 | * |
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| 13 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
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| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
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| 20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef _RT_TIMER_H_ |
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| 24 | #define _RT_TIMER_H_ |
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| 25 | |
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| 26 | #include <types.h> |
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| 27 | |
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| 28 | /** Real-Time timer commands */ |
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| 29 | #define RT_TIMER_STOP 0x00 |
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| 30 | #define RT_TIMER_RUN 0x01 |
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| 31 | #define RT_TIMER_ADJUST 0x02 |
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| 32 | |
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| 33 | /** Real-Time timer parameters */ |
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| 34 | struct rt_params_s |
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| 35 | { |
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| 36 | uint_t rt_cmd; |
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| 37 | sint_t rt_value; |
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| 38 | void *pv_data; |
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| 39 | }; |
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| 40 | |
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| 41 | /** Initialize Real-Time timer source */ |
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| 42 | error_t rt_timer_init(uint_t period, uint_t withIrq); |
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| 43 | |
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| 44 | /** Read Real-Time timer current value */ |
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| 45 | error_t rt_timer_read(uint_t *time); |
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| 46 | |
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| 47 | /** Set Real-Time timer's current value */ |
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| 48 | error_t rt_timer_set(uint_t time); |
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| 49 | |
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| 50 | /** Set Real-Time timer's period */ |
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| 51 | error_t rt_timer_setperiod(uint_t period); |
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| 52 | |
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| 53 | /** Send commands to Real-Time timer device */ |
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| 54 | error_t rt_timer_ctrl(struct rt_params_s *param); |
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| 55 | |
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| 56 | #endif /* _RT_TIMER_H_ */ |
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