| 0,0 → 1,49 |
|---|
| /* |
| * Copyright (C) 2004 Darren Hutchinson (dbh@gbdt.com.au) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Library General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, 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 Library General Public |
| * License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this software; see the file COPYING. If not, write to |
| * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| * MA 02111-1307, USA. |
| * |
| * $Id: pguide.h,v 1.1.1.1 2004/02/22 08:12:42 dbh Exp $ |
| */ |
| #ifndef _PGUIDE_H_ |
| #define _PGUIDE_H_ |
| |
| /* This file has the definitions used to poll the parallel guiding input |
| * pins. |
| * |
| * These pins are pulled high by the internal CPU pullups and should be |
| * driven low by the guiding input |
| */ |
| #define GUIDE_PORT PORTD |
| #define GUIDE_PIN PIND |
| #define GUIDE_DDR DDRD |
| |
| #define G_UP PD4 |
| #define G_DN PD5 |
| #define G_RT PD6 |
| #define G_LT PD7 |
| |
| /* Define the polling rate (in HZ). For the current software the |
| * range is 30Hz to 7800Hz @ 8 MHz, and 60Hz to 15KHz @ 16MHz. |
| * |
| * A good value would be about 200 Hz (ie. 5ms debounce time) |
| */ |
| #define GUIDE_RATE 200 |
| |
| /* Prototypes */ |
| void pguideInit(void); |
| |
| #endif /* _PGUIDE_H_ */ |