root/platform/ixus145_elph135/main.c

DEFINITIONS

1. startup
2. get_effective_focal_length
3. get_focal_length
4. get_zoom_x
5. get_vbatt_min
6. get_vbatt_max

   1 #include "lolevel.h"
   2 #include "platform.h"
   3 #include "core.h"
   4 #include "keyboard.h"
   6 extern long link_bss_start;
   7 extern long link_bss_end;
   8 extern void boot();
  10 void startup()
  11 {
  12     long *bss = &link_bss_start;
  14     // sanity check
  15         if ((long)&link_bss_end > (MEMISOSTART + MEMISOSIZE))
  16         {
started();
shutdown();
  19     }
  21     // initialize .bss senment
  22     while (bss<&link_bss_end)
  23         *bss++ = 0;
boot();
  26 }
  28 #define NUM_FL      101
  29 #define NUM_DATA    2
  31 extern int focus_len_table[NUM_FL*NUM_DATA];
  33 // Conversion factor lens FL --> 35mm equiv
  34 // lens      35mm     CF
  35 // ----      ----     --
  36 //  5         28      ( 28/ 5) * 60 = 336  (min FL)
  37 // 25        140      (140/25) * 60 = 336  (max FL)
  38 #define CF_EFL      336
  39 #define CF_EFL_DIV  60
  41 const int zoom_points = NUM_FL;
  43 int get_effective_focal_length(int zp) {
  44     return (CF_EFL*get_focal_length(zp))/CF_EFL_DIV;
  45 }
  47 int get_focal_length(int zp) {
  48     if (zp < 0) zp = 0;
  49     else if (zp >= NUM_FL) zp = NUM_FL-1;
  50     return focus_len_table[zp*NUM_DATA];
  51 }
  53 int get_zoom_x(int zp) {
  54     return get_focal_length(zp)*10/focus_len_table[0];
  55 }
  57 // uses NB-11L, should be similar to other single cell li-ion
  58 long get_vbatt_min()
  59 {
  60     return 3250;
  61 }
  63 long get_vbatt_max()
  64 {
  65     return 4000;
  66 }