36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/* Copyright (C) 2004 David Decotigny
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*/
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#ifndef _SOS_i8259_H_
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#define _SOS_i8259_H_
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#include <sos/errno.h>
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/**
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* @file i8254.h PC programmable timer
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*
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* Programmable timer routines. See the Intel 82C54 datasheet (on kos
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* website).
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*
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* @see i82C54 datasheet on Kos website.
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*/
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/** Change timer interrupt (IRQ 0) frequency */
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sos_ret_t sos_i8254_set_frequency(unsigned int freq);
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#endif /* _SOS_i8259_H_ */
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