betty/betty.c

   1 /*
   2  * betty.c - alternative firmware for the betty tv ;)
   3  *
   4  * author: hackbard@hackdaworld.org
   5  *
   6  */
   7
   8 /* includes */
   9 #include "betty.h"
  10
  11 /*
  12  * global variables
  13  */
  14
  15 const char announce[]="betty - live from flash at 0x80000000! ;)\r\n";
  16 const char d1_txt[]="betty";
  17 const char d2_txt[]="- alphablend -";
  18 u8 contrast;
  19
  20 /*
  21  * functions
  22  */
  23
  24 #define cc1100_init     spi1_init(8,SPI_MASTER,8)
  25
  26 void display_string_page(u8 x,u8 p,u8 *s,u8 f,u8 o,u8 sp) {
  27
  28         while(*(s)) {
  29                 if(x==DISPLAY_DIMX) {
  30                         p+=1;
  31                         x=o;
  32                 }
  33                 display_font_page(x,p,(u8 *)default_font+(*(s)<<3),f);
  34                 x+=sp;
  35                 s++;
  36         }
  37 }
  38
  39 void input_event(void) {
  40
  41         /* button test! */
  42         if(button_get_event(&button)) {
  43                 switch(button.key[0]) {
  44                         case BUTTON_POWER:
  45                                 display_logo((u8 *)default_logo);
  46                                 break;
  47                         case BUTTON_DOWN:
  48                                 if(contrast>0x00)
  49                                         contrast-=1;
  50                                 DISPLAY_SET_CONTRAST(contrast);
  51                                 break;
  52                         case BUTTON_UP:
  53                                 if(contrast<0x3f)
  54                                         contrast+=1;
  55                                 DISPLAY_SET_CONTRAST(contrast);
  56                                 break;
  57                         case BUTTON_A:
  58                                 display_fill_screen(DISPLAY_FILL_W);
  59                                 break;
  60                         case BUTTON_B:
  61                                 display_fill_screen(DISPLAY_FILL_LG);
  62                                 break;
  63                         case BUTTON_C:
  64                                 display_fill_screen(DISPLAY_FILL_DG);
  65                                 break;
  66                         case BUTTON_D:
  67                                 display_fill_screen(DISPLAY_FILL_B);
  68                                 break;
  69                         case BUTTON_1:
  70                                 display_rectangle_page(4,2,60,5,
  71                                                        DISPLAY_FILL_B,0xff);
  72                                 break;
  73                         case BUTTON_2:
  74                                 display_rectangle_page(40,5,50,5,
  75                                                        DISPLAY_FILL_LG,0x7f);
  76                                 break;
  77                         case BUTTON_3:
  78                                 break;
  79                         case BUTTON_4:
  80                                 display_font_page(42,18,
  81                                                   (u8 *)default_font+(0x34<<3),
  82                                                   DISPLAY_FILL_B);
  83                                 break;
  84                         case BUTTON_5:
  85                                 display_font_page(50,18,
  86                                                   (u8 *)default_font+(0x35<<3),
  87                                                   DISPLAY_FILL_DG);
  88                                 break;
  89                         case BUTTON_6:
  90                                 display_font_page(58,18,
  91                                                   (u8 *)default_font+(0x36<<3),
  92                                                   DISPLAY_FILL_W);
  93                                 break;
  94                         case BUTTON_7:
  95                                 break;
  96                         case BUTTON_8:
  97                                 break;
  98                         case BUTTON_BETTY:
  99                                 display_string_page(50,13,(u8 *)d1_txt,
 100                                                     DISPLAY_FILL_B,0,8);
 101                                 break;
 102                         case BUTTON_EXIT:
 103                                 display_string_page(10,8,(u8 *)d2_txt,
 104                                                     DISPLAY_FILL_B,0,8);
 105                                 break;
 106                         default:
 107                                 display_clear_screen();
 108                                 break;
 109                 }
 110         }
 111 }
 112
 113 /*
 114  * main function
 115  */
 116
 117 int main() {
 118
 119         /* variables */
 120         t_button button;
 121
 122         /* system init */
 123         pll_init();
 124         pin_init();
 125         ext_mem_init();
 126
 127         /* memory mapping - dirty! */
 128         if((void *)announce<(void *)FLASH_BANK0)
 129                 mmap_init(MEMTYPE_RAM);
 130         else
 131                 mmap_init(MEMTYPE_EXT);
 132
 133         /* uart init */
 134         uart0_init();
 135
 136         /* display init */
 137         display_bl_init();
 138
 139         /* button init */
 140         button.mode=BUTTON_INT;
 141         button_init(&button);
 142         button_set_retries(&button,0);
 143
 144         /* flash init */
 145         flash_init();
 146
 147         /* display init */
 148         display_init();
 149         contrast=0x38;
 150
 151         /* interrupt init */
 152         interrupt_init();
 153         interrupt_ext_ir_config(INTERRUPT_EXT3,INTERRUPT_EXT_NOWAKE,
 154                                 INTERRUPT_EXT_MODE_EDGE,
 155                                 INTERRUPT_EXT_POLAR_LOW);
 156         interrupt_enable(INTERRUPT_EINT3,INTERRUPT_MODE_VIRQ,0,input_event);
 157
 158         /*
 159          * start it ...
 160          */
 161
 162         /* toggle the display back light */
 163         display_bl_toggle();
 164
 165         /* announce */
 166         uart0_send_string((char *)announce);
 167
 168
 169         while(1) {
 170         }
 171
 172         return 0;
 173 }