40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* David Galvez. 2010, e-mail: dgalvez75@gmail.com
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* Modified from MiNTlib
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This file 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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*
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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 USA
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <time.h>
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#include <mint/mintbind.h>
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#define USEC_PER_TICK (1000000L / ((unsigned long)CLOCKS_PER_SEC))
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#define USEC_TO_CLOCK_TICKS(us) ((us) / USEC_PER_TICK )
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/*
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* Galvez: We should use usleep POSIX function in MiNTlib, but it gives problems related with
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* Fselect system call, until we trace where the problems come from we are using this function
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*/
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void udelay(unsigned long usec)
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{
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long stop;
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stop = _clock() + USEC_TO_CLOCK_TICKS(usec);
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while (_clock() < stop);
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}
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