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  * SPDX-License-Identifier:     GPL-2.0+
   6  *
   7  * common/sevenseg.h
   8  *
   9  * NIOS PIO based seven segment led support functions
  10  */
  11
  12 #ifndef __DK1S10_SEVENSEG_H__
  13 #define __DK1S10_SEVENSEG_H__
  14
  15 #ifdef  CONFIG_SEVENSEG
  16
  17 /*
  18  *  15                    8 7      0
  19  * |-----------------------|--------|
  20  * |   controll value      |  value |
  21  * ----------------------------------
  22  */
  23 #define SEVENSEG_RAW            (int)(0)        /* write out byte value (hex) */
  24 #define SEVENSEG_OFF            (int)( 1 << 8)  /* display switch off */
  25 #define SEVENSEG_SET_DPL        (int)( 2 << 8)  /* set dp low  nibble */
  26 #define SEVENSEG_SET_DPH        (int)( 3 << 8)  /* set dp high nibble */
  27 #define SEVENSEG_RES_DPL        (int)( 4 << 8)  /* reset dp low  nibble */
  28 #define SEVENSEG_RES_DPH        (int)( 5 << 8)  /* reset dp high nibble */
  29 #define SEVENSEG_TOG_DPL        (int)( 6 << 8)  /* toggle dp low  nibble */
  30 #define SEVENSEG_TOG_DPH        (int)( 7 << 8)  /* toggle dp high nibble */
  31 #define SEVENSEG_LO             (int)( 8 << 8)  /* write out low nibble only */
  32 #define SEVENSEG_HI             (int)( 9 << 8)  /* write out high nibble only */
  33 #define SEVENSEG_STR            (int)(10 << 8)  /* write out a string */
  34
  35 #define SEVENSEG_MASK_VAL       (0xff)          /* only used by SEVENSEG_RAW */
  36 #define SEVENSEG_MASK_CTRL      (~SEVENSEG_MASK_VAL)
  37
  38 #ifdef  SEVENSEG_DIGIT_HI_LO_EQUAL
  39
  40 #define SEVENSEG_DIGITS_0       (       SEVENSEG_DIGIT_A        \
  41                                 |       SEVENSEG_DIGIT_B        \
  42                                 |       SEVENSEG_DIGIT_C        \
  43                                 |       SEVENSEG_DIGIT_D        \
  44                                 |       SEVENSEG_DIGIT_E        \
  45                                 |       SEVENSEG_DIGIT_F        )
  46 #define SEVENSEG_DIGITS_1       (       SEVENSEG_DIGIT_B        \
  47                                 |       SEVENSEG_DIGIT_C        )
  48 #define SEVENSEG_DIGITS_2       (       SEVENSEG_DIGIT_A        \
  49                                 |       SEVENSEG_DIGIT_B        \
  50                                 |       SEVENSEG_DIGIT_D        \
  51                                 |       SEVENSEG_DIGIT_E        \
  52                                 |       SEVENSEG_DIGIT_G        )
  53 #define SEVENSEG_DIGITS_3       (       SEVENSEG_DIGIT_A        \
  54                                 |       SEVENSEG_DIGIT_B        \
  55                                 |       SEVENSEG_DIGIT_C        \
  56                                 |       SEVENSEG_DIGIT_D        \
  57                                 |       SEVENSEG_DIGIT_G        )
  58 #define SEVENSEG_DIGITS_4       (       SEVENSEG_DIGIT_B        \
  59                                 |       SEVENSEG_DIGIT_C        \
  60                                 |       SEVENSEG_DIGIT_F        \
  61                                 |       SEVENSEG_DIGIT_G        )
  62 #define SEVENSEG_DIGITS_5       (       SEVENSEG_DIGIT_A        \
  63                                 |       SEVENSEG_DIGIT_C        \
  64                                 |       SEVENSEG_DIGIT_D        \
  65                                 |       SEVENSEG_DIGIT_F        \
  66                                 |       SEVENSEG_DIGIT_G        )
  67 #define SEVENSEG_DIGITS_6       (       SEVENSEG_DIGIT_A        \
  68                                 |       SEVENSEG_DIGIT_C        \
  69                                 |       SEVENSEG_DIGIT_D        \
  70                                 |       SEVENSEG_DIGIT_E        \
  71                                 |       SEVENSEG_DIGIT_F        \
  72                                 |       SEVENSEG_DIGIT_G        )
  73 #define SEVENSEG_DIGITS_7       (       SEVENSEG_DIGIT_A        \
  74                                 |       SEVENSEG_DIGIT_B        \
  75                                 |       SEVENSEG_DIGIT_C        )
  76 #define SEVENSEG_DIGITS_8       (       SEVENSEG_DIGIT_A        \
  77                                 |       SEVENSEG_DIGIT_B        \
  78                                 |       SEVENSEG_DIGIT_C        \
  79                                 |       SEVENSEG_DIGIT_D        \
  80                                 |       SEVENSEG_DIGIT_E        \
  81                                 |       SEVENSEG_DIGIT_F        \
  82                                 |       SEVENSEG_DIGIT_G        )
  83 #define SEVENSEG_DIGITS_9       (       SEVENSEG_DIGIT_A        \
  84                                 |       SEVENSEG_DIGIT_B        \
  85                                 |       SEVENSEG_DIGIT_C        \
  86                                 |       SEVENSEG_DIGIT_D        \
  87                                 |       SEVENSEG_DIGIT_F        \
  88                                 |       SEVENSEG_DIGIT_G        )
  89 #define SEVENSEG_DIGITS_A       (       SEVENSEG_DIGIT_A        \
  90                                 |       SEVENSEG_DIGIT_B        \
  91                                 |       SEVENSEG_DIGIT_C        \
  92                                 |       SEVENSEG_DIGIT_E        \
  93                                 |       SEVENSEG_DIGIT_F        \
  94                                 |       SEVENSEG_DIGIT_G        )
  95 #define SEVENSEG_DIGITS_B       (       SEVENSEG_DIGIT_C        \
  96                                 |       SEVENSEG_DIGIT_D        \
  97                                 |       SEVENSEG_DIGIT_E        \
  98                                 |       SEVENSEG_DIGIT_F        \
  99                                 |       SEVENSEG_DIGIT_G        )
 100 #define SEVENSEG_DIGITS_C       (       SEVENSEG_DIGIT_D        \
 101                                 |       SEVENSEG_DIGIT_E        \
 102                                 |       SEVENSEG_DIGIT_G        )
 103 #define SEVENSEG_DIGITS_D       (       SEVENSEG_DIGIT_B        \
 104                                 |       SEVENSEG_DIGIT_C        \
 105                                 |       SEVENSEG_DIGIT_D        \
 106                                 |       SEVENSEG_DIGIT_E        \
 107                                 |       SEVENSEG_DIGIT_G        )
 108 #define SEVENSEG_DIGITS_E       (       SEVENSEG_DIGIT_A        \
 109                                 |       SEVENSEG_DIGIT_D        \
 110                                 |       SEVENSEG_DIGIT_E        \
 111                                 |       SEVENSEG_DIGIT_F        \
 112                                 |       SEVENSEG_DIGIT_G        )
 113 #define SEVENSEG_DIGITS_F       (       SEVENSEG_DIGIT_A        \
 114                                 |       SEVENSEG_DIGIT_E        \
 115                                 |       SEVENSEG_DIGIT_F        \
 116                                 |       SEVENSEG_DIGIT_G        )
 117
 118 #else   /* !SEVENSEG_DIGIT_HI_LO_EQUAL */
 119 #error SEVENSEG: different pin asssignments not supported
 120 #endif
 121
 122 void sevenseg_set(int value);
 123
 124 #endif  /* CONFIG_SEVENSEG */
 125
 126 #endif  /* __DK1S10_SEVENSEG_H__ */