root/platform/ixus185_elph185/lib.c

DEFINITIONS

1. debug_led
2. hook_raw_image_addr
3. camera_jpeg_count_str
4. vid_bitmap_refresh
5. shutdown
6. get_flash_params_count
7. camera_set_led
8. vid_get_bitmap_fb
9. vid_get_viewport_fb
10. vid_get_viewport_fb_d
11. vid_get_viewport_live_fb
12. vid_get_viewport_width
13. vid_get_viewport_height
14. vid_get_viewport_display_xoffset
15. vid_get_palette_type
16. vid_get_palette_size
17. vid_get_bitmap_active_buffer
18. vid_get_bitmap_active_palette

   1 #include "platform.h"
   2 #include "platform_palette.h"
   3 #include "lolevel.h"
   5 #define LED_PR 0xc022d1fc
   6 #define LED_AF 0xc022d200
   8 void debug_led(int state)
   9 {
  10     *(int*)LED_PR=state ? 0x93d800 : 0x83dc00;
  11 }
  13 char *hook_raw_image_addr()
  14 {
  15     return (char*)0x43727660; 
  16 }
  19 char *camera_jpeg_count_str()
  20 {
  21     extern char jpeg_count_str[];
  22     return jpeg_count_str;
  23 }
  25 void vid_bitmap_refresh()
  26 {
  27     extern int full_screen_refresh;
  28     extern void _ScreenLock();
  29     extern void _ScreenUnlock();
full_screen_refresh |= 3;
_ScreenLock();
_ScreenUnlock();
  34 }
  37 void shutdown()
  38 {
  39     extern void _TurnOffE1(void);
_TurnOffE1();
  41     while(1);
  42 }
  45 int get_flash_params_count(void) { return 0x10f; } //?10f
  47 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  48     static char led_table[]={0,4}; // status, AF
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  50 }
  53 void *vid_get_bitmap_fb()        { return (void*)0x40711000; }  // Found @0xff86ac90
  54 void *vid_get_viewport_fb()      { return (void*)0x40866b80; }  // Found @0xffba4e00            
  56 void *vid_get_viewport_fb_d()
  57 {
  58     extern char *viewport_fb_d;
  59     return viewport_fb_d;
  60 }
  62 extern char active_viewport_buffer;
  63 extern void* viewport_buffers[];
  65 void *vid_get_viewport_live_fb()
  66 {
  67     if (MODE_IS_VIDEO(mode_get()) || is_video_recording())
  68         return viewport_buffers[0];     // Assuming video uses the first viewport buffer, untested
  70     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
  71     // not verified on ixus185
  72     return viewport_buffers[(active_viewport_buffer-1)&3];
  73 }
  75 // Y multiplier for cameras with 480 pixel high viewports (CHDK code assumes 240)
  76 /*int vid_get_viewport_yscale() {
  77     return 2;
  78 }*/
  80 extern int _GetVRAMHPixelsSize();
  81 extern int _GetVRAMVPixelsSize();
  83 //taken from n
  84 int vid_get_viewport_width()
  85 {
  86     if ((mode_get() & MODE_MASK) == MODE_PLAY)
  87     {
  88         return 360;
  89     }
  90     return _GetVRAMHPixelsSize() >> 1;
  91 }
  92 // taken from n
  93 long vid_get_viewport_height()
  94 {
  95   if ((mode_get() & MODE_MASK) == MODE_PLAY)
  96   {
  97        return 240;
  98   }
  99   return _GetVRAMVPixelsSize();
 100 }
 102 // viewport width offset table for each aspect ratio, not verified on ixus185
 103 // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1
 104 static long vp_xo[4] = { 0, 0, 0, 44 };        // should all be even values for edge overlay
 106 int vid_get_viewport_display_xoffset()
 107 {
 108     int m = mode_get();
 109     int aspect_ratio=shooting_get_prop(PROPCASE_ASPECT_RATIO);
 111     if ((m & MODE_MASK) != MODE_PLAY) {
 112         return (vp_xo[aspect_ratio]);
 113     }
 114     else
 115         return 0;
 116 }
 118 //int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset()<<1; }
 119 //int vid_get_viewport_display_yoffset_proper()   { return vid_get_viewport_display_yoffset()<<1; }
 120 //int vid_get_viewport_width_proper()             { return vid_get_viewport_width() * 2; }
 121 //int vid_get_viewport_height_proper()            { return vid_get_viewport_height() * 2; }
 122 //int vid_get_viewport_fullscreen_height()        { return 240; }
 123 //int vid_get_viewport_fulllscreen_width()        { return 720; }
 124 int vid_get_palette_type()                      { return 3; }
 125 int vid_get_palette_size()                      { return 256 * 4; }
 127 // Defined in stubs_min.S
 128 extern int active_bitmap_buffer;
 129 extern char* bitmap_buffer[];
 130 void *vid_get_bitmap_active_buffer()
 131 {
 132     return bitmap_buffer[active_bitmap_buffer&1];
 133 }
 135 void *vid_get_bitmap_active_palette()
 136 {
 137     extern void *palette_buffer_ptr;
 138     return palette_buffer_ptr;
 139 }