diff options
Diffstat (limited to 'udelay.h')
-rw-r--r-- | udelay.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/udelay.h b/udelay.h new file mode 100644 index 0000000..42f2ca8 --- /dev/null +++ b/udelay.h @@ -0,0 +1,41 @@ +/* $Id: udelay.h,v 1.1 2000/04/15 16:56:52 reinelt Exp $ + * + * short delays + * + * Copyright 1999, 2000 by Michael Reinelt (reinelt@eunet.at) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * $Log: udelay.h,v $ + * Revision 1.1 2000/04/15 16:56:52 reinelt + * + * moved delay loops to udelay.c + * renamed -d (debugging) switch to -v (verbose) + * new switch -d to calibrate delay loop + * 'Delay' entry for HD44780 back again + * delay loops will not calibrate automatically, because this will fail with hich CPU load + * + */ + +#ifndef _UDELAY_H_ +#define _UDELAY_H_ + +extern unsigned long loops_per_usec; + +void udelay (unsigned long usec); +void udelay_calibrate (void); + +#endif |