betty/display.h

   1 /*
   2  * display.h - header file for the display handling
   3  *
   4  * author: hackbard@hackdaworld.org
   5  *
   6  */
   7
   8 #ifndef DISPLAY_H
   9 #define DISPLAY_H
  10
  11 #include "lpc2xxx.h"
  12 #include "types.h"
  13
  14 /* defines */
  15 #define DISPLAY_BANK1                   0x81000000
  16
  17 #define DISPLAY_CMD                     (*((volatile u8 *)DISPLAY_BANK1))
  18 #define DISPLAY_DATA                    (*((volatile u8 *)DISPLAY_BANK1+1))
  19
  20 #define DISPLAY_DIMX                    128
  21 #define DISPLAY_DIMY                    160
  22 #define DISPLAY_PAGE_MAX                (DISPLAY_DIMY/8)
  23 #define DISPLAY_COL_MAX                 DISPLAY_DIMX
  24 #define DISPLAY_RAM_CONTENT             (DISPLAY_PAGE_MAX*DISPLAY_COL_MAX*2)
  25
  26 /* display cmds */
  27 #define DISPLAY_SET_COL_ADDR(c)         DISPLAY_CMD=(0x00|((c)&0x0f)); \
  28                                         DISPLAY_CMD=(0x10|(((c)&0x70)>>4))
  29 #define DISPLAY_SET_MASTER              DISPLAY_CMD=0x18
  30 #define DISPLAY_SET_SLAVE               DISPLAY_CMD=0x19
  31 #define DISPLAY_SET_REGULATOR(r)        DISPLAY_CMD=(0x20|((r)&0x07))
  32 #define DISPLAY_SET_POWER(p)            DISPLAY_CMD=(0x28|((p)&0x07))
  33 #define DISPLAY_V_BOOST                 0x01
  34 #define DISPLAY_REGULATOR               0x02
  35 #define DISPLAY_OPAMP                   0x04
  36 #define DISPLAY_SET_START_LINE(s)       DISPLAY_CMD=0x40; \
  37                                         DISPLAY_CMD=(s)
  38 #define DISPLAY_SET_OFFSET(o)           DISPLAY_CMD=0x44; \
  39                                         DISPLAY_CMD=(o)
  40 #define DISPLAY_SET_MPLEX_RATIO(m)      DISPLAY_CMD=0x48; \
  41                                         DISPLAY_CMD=(m)
  42 #define DISPLAY_SET_NINV(n)             DISPLAY_CMD=0x4c; \
  43                                         DISPLAY_CMD=(n)
  44 #define DISPLAY_SET_BIAS(b)             DISPLAY_CMD=(0x50|((b)&0x07))
  45 #define DISPLAY_SET_UW_CORNER(x,y)      DISPLAY_CMD=0x60; \
  46                                         DISPLAY_CMD=((x)&0x7f); \
  47                                         DISPLAY_CMD=0x61; \
  48                                         DISPLAY_CMD=(y)
  49 #define DISPLAY_SET_LW_CORNER(x,y)      DISPLAY_CMD=0x62; \
  50                                         DISPLAY_CMD=((x)&0x7f); \
  51                                         DISPLAY_CMD=0x63; \
  52                                         DISPLAY_CMD=(y)
  53 #define DISPLAY_SET_CONV_FACTOR(c)      DISPLAY_CMD=(0x64|((c)&0x03))
  54 #define DISPLAY_SET_CONTRAST(c)         DISPLAY_CMD=0x81; \
  55                                         DISPLAY_CMD=((c)&0x3f)
  56 #define DISPLAY_SET_WHITE(a,b,c,d)      DISPLAY_CMD=0x88; \
  57                                         DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
  58                                         DISPLAY_CMD=0x89; \
  59                                         DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
  60 #define DISPLAY_SET_LGRAY(a,b,c,d)      DISPLAY_CMD=0x8a; \
  61                                         DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
  62                                         DISPLAY_CMD=0x8b; \
  63                                         DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
  64 #define DISPLAY_SET_DGRAY(a,b,c,d)      DISPLAY_CMD=0x8c; \
  65                                         DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
  66                                         DISPLAY_CMD=0x8d; \
  67                                         DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
  68 #define DISPLAY_SET_BLACK(a,b,c,d)      DISPLAY_CMD=0x8e; \
  69                                         DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
  70                                         DISPLAY_CMD=0x8f; \
  71                                         DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
  72 #define DISPLAY_SET_PWM_FRC(p,f)        DISPLAY_CMD=(0x90| \
  73                                                      (((f&0x01)<<2)|(p&0x03)))
  74 #define DISPLAY_SET_SEGMENT_REMAP_00H   DISPLAY_CMD=0xa0
  75 #define DISPLAY_SET_SEGMENT_REMAP_7fH   DISPLAY_CMD=0xa1
  76 #define DISPLAY_RAM_CONTENTS_ON         DISPLAY_CMD=0xa4
  77 #define DISPLAY_ENTIRE_ON               DISPLAY_CMD=0xa5
  78 #define DISPLAY_NORMAL                  DISPLAY_CMD=0xa6
  79 #define DISPLAY_REVERSE                 DISPLAY_CMD=0xa7
  80 #define DISPLAY_SET_POWER_SAVE          DISPLAY_CMD=0xa9
  81 #define DISPLAY_START_OSCILLATOR        DISPLAY_CMD=0xab
  82 #define DISPLAY_SET_OFF                 DISPLAY_CMD=0xae
  83 #define DISPLAY_SET_ON                  DISPLAY_CMD=0xaf
  84 #define DISPLAY_SET_PAGE_ADDR(p)        DISPLAY_CMD=0xb0; \
  85                                         DISPLAY_CMD=((p)&0x1f)
  86 #define DISPLAY_SET_COM_ODIR_NORMAL     DISPLAY_CMD=0xc0
  87 #define DISPLAY_SET_COM_ODIR_REMAPPED   DISPLAY_CMD=0xc8
  88 #define DISPLAY_EXIT_POWER_SAVE         DISPLAY_CMD=0xe1
  89 #define DISPLAY_SOFT_RESET              DISPLAY_CMD=0xe2
  90 #define DISPLAY_EXIT_NLINE_INVERSION    DISPLAY_CMD=0xe4
  91 #define DISPLAY_SCROLL_BUF_ENABLE       DISPLAY_CMD=0xe6
  92 #define DISPLAY_SCROLL_BUF_DISABLE      DISPLAY_CMD=0xe7
  93 #define DISPLAY_SET_TC(c)               DISPLAY_CMD=0xe9; \
  94                                         DISPLAY_CMD=(c)
  95 #define DISPLAY_EXTENDED_FEATURES       DISPLAY_CMD=0xf0
  96
  97 /* experimental cmds */
  98 #define DISPLAY_SET_READ_MODIFY_WRITE   DISPLAY_CMD=0xe0;
  99 #define DISPLAY_UNSET_READ_MODIFY_WRITE DISPLAY_CMD=0xee;
 100
 101 /* display api specific defines */
 102 #define DISPLAY_FILL_W                  0x00
 103 #define DISPLAY_FILL_LG                 0x01
 104 #define DISPLAY_FILL_DG                 0x02
 105 #define DISPLAY_FILL_B                  0x03
 106
 107
 108 /* function prototypes */
 109 void display_fill_screen(u8 fill);
 110 void display_clear_screen(void);
 111 void display_init(void);
 112 void display_logo(u8 *src);
 113 void display_rectangle_page(u8 x,u8 p,u8 w,u8 h,u8 fill,u8 alpha);
 114 void display_draw_rectangle(u8 x,u8 y,u8 w,u8 h,u8 fill,u8 alpha);
 115 void display_font_page(u8 x,u8 page,u8 *font,u8 fill);
 116 void display_draw_font(u8 x,u8 y,u8 *font,u8 fill,u8 alpha);
 117 void display_bl_init(void);
 118 void display_bl_toggle(void);
 119 void display_bl_on(void);
 120 void display_bl_off(void);
 121
 122 #endif