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/*
* (C) Copyright 2003, Li-Pro.Net <www.li-pro.net>
* Stephan Linz <linz@li-pro.net>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 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 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* common/sevenseg.h
*
* NIOS PIO based seven segment led support functions
*/
#ifndef __DK1S10_SEVENSEG_H__
#define __DK1S10_SEVENSEG_H__
#ifdef CONFIG_SEVENSEG
/*
* 15 8 7 0
* |-----------------------|--------|
* | controll value | value |
* ----------------------------------
*/
#define SEVENSEG_RAW (int)(0) /* write out byte value (hex) */
#define SEVENSEG_OFF (int)( 1 << 8) /* display switch off */
#define SEVENSEG_SET_DPL (int)( 2 << 8) /* set dp low nibble */
#define SEVENSEG_SET_DPH (int)( 3 << 8) /* set dp high nibble */
#define SEVENSEG_RES_DPL (int)( 4 << 8) /* reset dp low nibble */
#define SEVENSEG_RES_DPH (int)( 5 << 8) /* reset dp high nibble */
#define SEVENSEG_TOG_DPL (int)( 6 << 8) /* toggle dp low nibble */
#define SEVENSEG_TOG_DPH (int)( 7 << 8) /* toggle dp high nibble */
#define SEVENSEG_LO (int)( 8 << 8) /* write out low nibble only */
#define SEVENSEG_HI (int)( 9 << 8) /* write out high nibble only */
#define SEVENSEG_STR (int)(10 << 8) /* write out a string */
#define SEVENSEG_MASK_VAL (0xff) /* only used by SEVENSEG_RAW */
#define SEVENSEG_MASK_CTRL (~SEVENSEG_MASK_VAL)
#ifdef SEVENSEG_DIGIT_HI_LO_EQUAL
#define SEVENSEG_DIGITS_0 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_F )
#define SEVENSEG_DIGITS_1 ( SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C )
#define SEVENSEG_DIGITS_2 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_3 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_4 ( SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_5 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_6 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_7 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C )
#define SEVENSEG_DIGITS_8 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_9 ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_A ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_B ( SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_C ( SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_D ( SEVENSEG_DIGIT_B \
| SEVENSEG_DIGIT_C \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_E ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_D \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#define SEVENSEG_DIGITS_F ( SEVENSEG_DIGIT_A \
| SEVENSEG_DIGIT_E \
| SEVENSEG_DIGIT_F \
| SEVENSEG_DIGIT_G )
#else /* !SEVENSEG_DIGIT_HI_LO_EQUAL */
#error SEVENSEG: different pin asssignments not supported
#endif
void sevenseg_set(int value);
#endif /* CONFIG_SEVENSEG */
#endif /* __DK1S10_SEVENSEG_H__ */
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