board/altera/common/sevenseg.h

   1 /*
   2  * (C) Copyright 2003, Li-Pro.Net <www.li-pro.net>
   3  * Stephan Linz <linz@li-pro.net>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  *
  23  * common/sevenseg.h
  24  *
  25  * NIOS PIO based seven segment led support functions
  26  */
  27
  28 #ifndef __DK1S10_SEVENSEG_H__
  29 #define __DK1S10_SEVENSEG_H__
  30
  31 #ifdef  CONFIG_SEVENSEG
  32
  33 /*
  34  *  15                    8 7      0
  35  * |-----------------------|--------|
  36  * |   controll value      |  value |
  37  * ----------------------------------
  38  */
  39 #define SEVENSEG_RAW            (int)(0)        /* write out byte value (hex) */
  40 #define SEVENSEG_OFF            (int)( 1 << 8)  /* display switch off */
  41 #define SEVENSEG_SET_DPL        (int)( 2 << 8)  /* set dp low  nibble */
  42 #define SEVENSEG_SET_DPH        (int)( 3 << 8)  /* set dp high nibble */
  43 #define SEVENSEG_RES_DPL        (int)( 4 << 8)  /* reset dp low  nibble */
  44 #define SEVENSEG_RES_DPH        (int)( 5 << 8)  /* reset dp high nibble */
  45 #define SEVENSEG_TOG_DPL        (int)( 6 << 8)  /* toggle dp low  nibble */
  46 #define SEVENSEG_TOG_DPH        (int)( 7 << 8)  /* toggle dp high nibble */
  47 #define SEVENSEG_LO             (int)( 8 << 8)  /* write out low nibble only */
  48 #define SEVENSEG_HI             (int)( 9 << 8)  /* write out high nibble only */
  49 #define SEVENSEG_STR            (int)(10 << 8)  /* write out a string */
  50
  51 #define SEVENSEG_MASK_VAL       (0xff)          /* only used by SEVENSEG_RAW */
  52 #define SEVENSEG_MASK_CTRL      (~SEVENSEG_MASK_VAL)
  53
  54 #ifdef  SEVENSEG_DIGIT_HI_LO_EQUAL
  55
  56 #define SEVENSEG_DIGITS_0       (       SEVENSEG_DIGIT_A        \
  57                                 |       SEVENSEG_DIGIT_B        \
  58                                 |       SEVENSEG_DIGIT_C        \
  59                                 |       SEVENSEG_DIGIT_D        \
  60                                 |       SEVENSEG_DIGIT_E        \
  61                                 |       SEVENSEG_DIGIT_F        )
  62 #define SEVENSEG_DIGITS_1       (       SEVENSEG_DIGIT_B        \
  63                                 |       SEVENSEG_DIGIT_C        )
  64 #define SEVENSEG_DIGITS_2       (       SEVENSEG_DIGIT_A        \
  65                                 |       SEVENSEG_DIGIT_B        \
  66                                 |       SEVENSEG_DIGIT_D        \
  67                                 |       SEVENSEG_DIGIT_E        \
  68                                 |       SEVENSEG_DIGIT_G        )
  69 #define SEVENSEG_DIGITS_3       (       SEVENSEG_DIGIT_A        \
  70                                 |       SEVENSEG_DIGIT_B        \
  71                                 |       SEVENSEG_DIGIT_C        \
  72                                 |       SEVENSEG_DIGIT_D        \
  73                                 |       SEVENSEG_DIGIT_G        )
  74 #define SEVENSEG_DIGITS_4       (       SEVENSEG_DIGIT_B        \
  75                                 |       SEVENSEG_DIGIT_C        \
  76                                 |       SEVENSEG_DIGIT_F        \
  77                                 |       SEVENSEG_DIGIT_G        )
  78 #define SEVENSEG_DIGITS_5       (       SEVENSEG_DIGIT_A        \
  79                                 |       SEVENSEG_DIGIT_C        \
  80                                 |       SEVENSEG_DIGIT_D        \
  81                                 |       SEVENSEG_DIGIT_F        \
  82                                 |       SEVENSEG_DIGIT_G        )
  83 #define SEVENSEG_DIGITS_6       (       SEVENSEG_DIGIT_A        \
  84                                 |       SEVENSEG_DIGIT_C        \
  85                                 |       SEVENSEG_DIGIT_D        \
  86                                 |       SEVENSEG_DIGIT_E        \
  87                                 |       SEVENSEG_DIGIT_F        \
  88                                 |       SEVENSEG_DIGIT_G        )
  89 #define SEVENSEG_DIGITS_7       (       SEVENSEG_DIGIT_A        \
  90                                 |       SEVENSEG_DIGIT_B        \
  91                                 |       SEVENSEG_DIGIT_C        )
  92 #define SEVENSEG_DIGITS_8       (       SEVENSEG_DIGIT_A        \
  93                                 |       SEVENSEG_DIGIT_B        \
  94                                 |       SEVENSEG_DIGIT_C        \
  95                                 |       SEVENSEG_DIGIT_D        \
  96                                 |       SEVENSEG_DIGIT_E        \
  97                                 |       SEVENSEG_DIGIT_F        \
  98                                 |       SEVENSEG_DIGIT_G        )
  99 #define SEVENSEG_DIGITS_9       (       SEVENSEG_DIGIT_A        \
 100                                 |       SEVENSEG_DIGIT_B        \
 101                                 |       SEVENSEG_DIGIT_C        \
 102                                 |       SEVENSEG_DIGIT_D        \
 103                                 |       SEVENSEG_DIGIT_F        \
 104                                 |       SEVENSEG_DIGIT_G        )
 105 #define SEVENSEG_DIGITS_A       (       SEVENSEG_DIGIT_A        \
 106                                 |       SEVENSEG_DIGIT_B        \
 107                                 |       SEVENSEG_DIGIT_C        \
 108                                 |       SEVENSEG_DIGIT_E        \
 109                                 |       SEVENSEG_DIGIT_F        \
 110                                 |       SEVENSEG_DIGIT_G        )
 111 #define SEVENSEG_DIGITS_B       (       SEVENSEG_DIGIT_C        \
 112                                 |       SEVENSEG_DIGIT_D        \
 113                                 |       SEVENSEG_DIGIT_E        \
 114                                 |       SEVENSEG_DIGIT_F        \
 115                                 |       SEVENSEG_DIGIT_G        )
 116 #define SEVENSEG_DIGITS_C       (       SEVENSEG_DIGIT_D        \
 117                                 |       SEVENSEG_DIGIT_E        \
 118                                 |       SEVENSEG_DIGIT_G        )
 119 #define SEVENSEG_DIGITS_D       (       SEVENSEG_DIGIT_B        \
 120                                 |       SEVENSEG_DIGIT_C        \
 121                                 |       SEVENSEG_DIGIT_D        \
 122                                 |       SEVENSEG_DIGIT_E        \
 123                                 |       SEVENSEG_DIGIT_G        )
 124 #define SEVENSEG_DIGITS_E       (       SEVENSEG_DIGIT_A        \
 125                                 |       SEVENSEG_DIGIT_D        \
 126                                 |       SEVENSEG_DIGIT_E        \
 127                                 |       SEVENSEG_DIGIT_F        \
 128                                 |       SEVENSEG_DIGIT_G        )
 129 #define SEVENSEG_DIGITS_F       (       SEVENSEG_DIGIT_A        \
 130                                 |       SEVENSEG_DIGIT_E        \
 131                                 |       SEVENSEG_DIGIT_F        \
 132                                 |       SEVENSEG_DIGIT_G        )
 133
 134 #else   /* !SEVENSEG_DIGIT_HI_LO_EQUAL */
 135 #error SEVENSEG: different pin asssignments not supported
 136 #endif
 137
 138 void sevenseg_set(int value);
 139
 140 #endif  /* CONFIG_SEVENSEG */
 141
 142 #endif  /* __DK1S10_SEVENSEG_H__ */