root/platform/a3200/lib.c

DEFINITIONS

1. shutdown
2. debug_led
3. camera_set_led
4. get_flash_params_count
5. vid_get_viewport_height
6. vid_bitmap_refresh
7. vid_get_bitmap_active_palette
8. vid_get_viewport_fb
9. vid_get_viewport_live_fb
10. load_chdk_palette
11. vid_get_palette_type
12. vid_get_palette_size

   1 #include "platform.h"
   2 #include "platform_palette.h"
   3 #include "lolevel.h"
   5 void shutdown() // method taken from the ixus140_elph130 port
   6 {
   7     extern void _TurnOffE1(void);
_TurnOffE1();
   9     while(1);
  10 }
  12 #define LED_PR 0xC02200F0
  15 void debug_led(int state)
  16 {
  17  *(int*)LED_PR=state ? 0x46 : 0x44;
  18 }
  20 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  21  static char led_table[2]={0,9};
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  23 }
  25 int get_flash_params_count(void){
  26  return 0xa0;   // Found @0xff9941e4
  27 }
  29 long vid_get_viewport_height()
  30 {
  31         return 240;
  32 }
  34 void vid_bitmap_refresh() {
  36         extern int full_screen_refresh;
  37         extern void _ScreenUnlock();
  38         extern void _ScreenLock();
full_screen_refresh |= 3;
_ScreenLock();
_ScreenUnlock();
  43 }
  45 void *vid_get_bitmap_active_palette() {
  46     extern int active_palette_buffer;
  47     extern char* palette_buffer[];
  48     void* p = palette_buffer[active_palette_buffer];
  49     // Don't add offset if value is 0
  50     if (p) p += 8;
  51     return p;
  52 }
  54 extern char active_viewport_buffer;
  55 extern void* viewport_buffers[];
  57 void *vid_get_viewport_fb()
  58 {
  59     // Return first viewport buffer - for case when vid_get_viewport_live_fb not defined
  60     return viewport_buffers[0];
  61 }
  63 void *vid_get_viewport_live_fb()
  64 {
  65     if (camera_info.state.mode_video)
  66         return viewport_buffers[0];     // Video only seems to use the first viewport buffer.
  68    // Hopefully return the most recently used viewport buffer
  69     return viewport_buffers[(active_viewport_buffer-1)&3];
  70 }
  72 #ifdef CAM_LOAD_CUSTOM_COLORS
  73 // Function to load CHDK custom colors into active Canon palette
  75 void load_chdk_palette() {
  77     extern int active_palette_buffer;
  78     // Only load for the standard record (0) and playback (4) palettes
  79     if ((active_palette_buffer == 0) || (active_palette_buffer == 4))
  80     {
  81         int *pal = (int*)vid_get_bitmap_active_palette();
  82         if (pal && pal[CHDK_COLOR_BASE+0] != 0x33ADF62)
  83         {
pal[CHDK_COLOR_BASE+0]  = 0x33ADF62;  // Red
pal[CHDK_COLOR_BASE+1]  = 0x326EA40;  // Dark Red
pal[CHDK_COLOR_BASE+2]  = 0x34CD57F;  // Light Red
pal[CHDK_COLOR_BASE+3]  = 0x373BFAE;  // Green
pal[CHDK_COLOR_BASE+4]  = 0x34BD6CA;  // Dark Green
pal[CHDK_COLOR_BASE+5]  = 0x395AB95;  // Light Green
pal[CHDK_COLOR_BASE+6]  = 0x34766F0;  // Blue
pal[CHDK_COLOR_BASE+7]  = 0x31250F3;  // Dark Blue
pal[CHDK_COLOR_BASE+8]  = 0x37F408F;  // Cyan
pal[CHDK_COLOR_BASE+9]  = 0x3512D5B;  // Magenta
pal[CHDK_COLOR_BASE+10] = 0x3A9A917;  // Yellow
pal[CHDK_COLOR_BASE+11] = 0x3819137;  // Dark Yellow
pal[CHDK_COLOR_BASE+12] = 0x3DED115;  // Light Yellow
pal[CHDK_COLOR_BASE+13] = 0x0090000;  // Transparent dark grey
  99             extern char palette_control;
palette_control = 1;
vid_bitmap_refresh();
 102         }
 104 /*          // completely transparent palette for special use
 105             int n;
 106             if (pal[0] != 0) {
 107                 for (n=0; n<256; n++) {
 108                     pal[n] = 0;
 109                 }
 110                 extern char palette_control;
 111                 palette_control = 1;
 112                 vid_bitmap_refresh();
 113             }
 114 */
 115     }
 116 }
 117 #endif
 119 int vid_get_palette_type()                      { return 3; }
 120 int vid_get_palette_size()                      { return 256 * 4; }