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  * functions
  13  */
  14
  15 #define cc1100_init     spi1_init(8,SPI_MASTER,8)
  16
  17 /*
  18  * main function
  19  */
  20
  21 int main() {
  22
  23         char announce[]="betty - live from flash at 0x80000000! ;)\r\n";
  24         t_button button;
  25         u8 contrast;
  26         int cnt;
  27
  28         /* system init */
  29         pll_init();
  30         pin_init();
  31         ext_mem_init();
  32
  33         /* uart init */
  34         uart0_init();
  35
  36         /* display init */
  37         display_bl_init();
  38
  39         /* button init */
  40         button_init(&button);
  41         button_set_retries(&button,100);
  42
  43         /* flash init */
  44         flash_init();
  45
  46         /*
  47          * start it ...
  48          */
  49
  50         /* pause - seems to not work if running from flash! (?) */
  51         pause(0xffffff);
  52
  53         /* display init */
  54         display_init();
  55         contrast=0x38;
  56
  57         /* pasue again */
  58
  59         /* announce */
  60         uart0_send_string(announce);
  61
  62
  63         while(1) {
  64                 pause(0x0fffff);
  65
  66                 /* button test! */
  67                 if(button_get_event(&button)) {
  68                         uart0_send_string(announce);
  69                         switch(button.key[0]) {
  70                                 case BUTTON_POWER:
  71                                         display_load_logo(0);
  72                                         break;
  73                                 case BUTTON_DOWN:
  74                                         if(contrast>0x00)
  75                                                 contrast-=1;
  76                                         DISPLAY_SET_CONTRAST(contrast);
  77                                         break;
  78                                 case BUTTON_UP:
  79                                         if(contrast<0x3f)
  80                                                 contrast+=1;
  81                                         DISPLAY_SET_CONTRAST(contrast);
  82                                         break;
  83                                 default:
  84                                         DISPLAY_SET_C_ADDR(0);
  85                                         DISPLAY_SET_PAGE_ADDR(0);
  86                                         for(cnt=0;cnt<DISPLAY_RAM_CONTENT;cnt++)
  87                                                 DISPLAY_DATA=button.key[0];
  88                                         break;
  89                         }
  90                 }
  91         }
  92
  93         return 0;
  94 }
  95