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/*
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* Copyright (C) 2004 Darren Hutchinson (dbh@gbdt.com.au)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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* $Id: pguide.h,v 1.1.1.1 2004/02/22 08:12:42 dbh Exp $
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*/
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#ifndef _PGUIDE_H_
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#define _PGUIDE_H_
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/* This file has the definitions used to poll the parallel guiding input
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* pins.
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*
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* These pins are pulled high by the internal CPU pullups and should be
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* driven low by the guiding input
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*/
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#define GUIDE_PORT PORTD
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#define GUIDE_PIN PIND
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#define GUIDE_DDR DDRD
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#define G_UP PD4
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#define G_DN PD5
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#define G_RT PD6
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#define G_LT PD7
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/* Define the polling rate (in HZ). For the current software the
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* range is 30Hz to 7800Hz @ 8 MHz, and 60Hz to 15KHz @ 16MHz.
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*
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* A good value would be about 200 Hz (ie. 5ms debounce time)
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*/
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#define GUIDE_RATE 200
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/* Prototypes */
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void pguideInit(void);
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#endif /* _PGUIDE_H_ */
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