The LXR Cross Referencer for SOS

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001 /* Copyright (C) 2004  David Decotigny
002 
003    This program is free software; you can redistribute it and/or
004    modify it under the terms of the GNU General Public License
005    as published by the Free Software Foundation; either version 2
006    of the License, or (at your option) any later version.
007    
008    This program is distributed in the hope that it will be useful,
009    but WITHOUT ANY WARRANTY; without even the implied warranty of
010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
011    GNU General Public License for more details.
012    
013    You should have received a copy of the GNU General Public License
014    along with this program; if not, write to the Free Software
015    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
016    USA. 
017 */
018 #ifndef _SOS_i8259_H_
019 #define _SOS_i8259_H_
020 
021 #include <sos/errno.h>
022 
023 /**
024  * @file i8254.h PC programmable timer
025  *
026  * Programmable timer routines. See the Intel 82C54 datasheet (on kos
027  * website).
028  *
029  * @see i82C54 datasheet on Kos website.
030  */
031 
032 /** Change timer interrupt (IRQ 0) frequency */
033 sos_ret_t sos_i8254_set_frequency(unsigned int freq);
034 
035 #endif /* _SOS_i8259_H_ */

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