root/platform/g12/lib.c

DEFINITIONS

1. hook_raw_image_addr
2. hook_alt_raw_image_addr
3. camera_jpeg_count_str
4. vid_bitmap_refresh
5. shutdown
6. debug_led
7. camera_set_led
8. get_flash_params_count
9. JogDial_CW
10. JogDial_CCW
11. vid_get_viewport_fb
12. vid_get_viewport_live_fb
13. vid_get_viewport_fb_d
14. vid_get_bitmap_fb
15. vid_get_viewport_yscale
16. vid_get_viewport_width
17. vid_get_viewport_xoffset
18. vid_get_viewport_display_xoffset
19. vid_get_viewport_height
20. vp_yoffset
21. vid_get_viewport_yoffset
22. vid_get_viewport_display_yoffset
23. vid_get_viewport_display_xoffset_proper
24. vid_get_viewport_display_yoffset_proper
25. vid_get_viewport_height_proper
26. vid_get_viewport_fullscreen_height
27. vid_get_palette_type
28. vid_get_palette_size
29. vid_get_bitmap_active_buffer
30. vid_get_bitmap_active_palette
31. load_chdk_palette

   1 #include "platform.h"
   2 #include "platform_palette.h"
   3 #include "lolevel.h"
   6 extern  int     active_raw_buffer;
   7 extern  char*   raw_buffers[];
   9 char *hook_raw_image_addr()
  10 {
  11     return raw_buffers[active_raw_buffer*3];
  12 }
  14 char *hook_alt_raw_image_addr()
  15 {
  16     return raw_buffers[(active_raw_buffer^1)*3];
  17 }
  20 char *camera_jpeg_count_str()
  21 {
  22     extern char jpeg_count_str[];
  23         return jpeg_count_str;
  24 }
  27 void vid_bitmap_refresh()
  28 {
  29         extern int full_screen_refresh;
  30         extern void _ScreenUnlock();
  31         extern void _ScreenLock();
full_screen_refresh |= 3;
_ScreenLock();
_ScreenUnlock();
  36 }
  39 void shutdown()
  40 {
  41         volatile long *p = (void*)0xC022001C;    
  43         asm(
  44                 "MRS     R1, CPSR\n"
  45                 "AND     R0, R1, #0x80\n"
  46                 "ORR     R1, R1, #0x80\n"
  47                 "MSR     CPSR_cf, R1\n"
  48                 :::"r1","r0");
  50         *p = 0x44;  // power off.
  52         while(1);
  53 }
  55 #define LED_PR 0xC0220138       // Lower Indicator
  57 void debug_led(int state)
  58 {
  59  *(int*)LED_PR=state ? 0x46 : 0x44;
  60 }
  62 // G12 has 7 led values
  63 // 0/0 - Upper indicator Green
  64 // 1/1 - Upper indicator Orange
  65 // 2/2 - Lower indicator Yellow
  66 // 3/3 - Power LED Green
  67 // 4/9 - AF Assist Lamp
  68 // 5/14 - ISO LED
  69 // 6/15 - EV LED
  70 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  71  static char led_table[7]={0,1,2,3,9,14,15};
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  73 }
  75 int get_flash_params_count(void){
  76  return 0x9a;   // found in GetParameterData
  77 }
  79 void JogDial_CW(void){
_PostLogicalEventForNotPowerType(0x86E, 1);  // RotateJogDialRight (table @ FFC0BE90)
  81 }
  83 void JogDial_CCW(void){
_PostLogicalEventForNotPowerType(0x86F, 1);  // RotateJogDialLeft (table @ FFC0BE90)
  85 }
  87 // Viewport and Bitmap values that shouldn't change across firmware versions.
  88 // Values that may change are in lib.c for each firmware version.
  90 // Defined in stubs_min.S
  91 extern char active_viewport_buffer;
  92 extern void* viewport_buffers[];
  94 void *vid_get_viewport_fb()
  95 {
  96     // Return first viewport buffer - for case when vid_get_viewport_live_fb not defined
  97     return viewport_buffers[0];
  98 }
 100 void *vid_get_viewport_live_fb()
 101 {
 102     int b = (active_viewport_buffer-1)&3;
 103     if ((b == 3) && camera_info.state.mode_video)
b = 2;  // Video only seems to use the first 3 viewport buffers.
 106     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
 107     return viewport_buffers[b];
 108 }
 110 void *vid_get_viewport_fb_d()
 111 {
 112     extern char *viewport_fb_d;
 113         return viewport_fb_d;
 114 }
 116 // Defined in stubs_min.S
 117 extern int active_bitmap_buffer;
 118 extern char* bitmap_buffer[];
 120 void *vid_get_bitmap_fb()
 121 {
 122     // Return first bitmap buffer address
 123     return bitmap_buffer[0];
 124 }
 126 // Y multiplier for cameras with 480 pixel high viewports (CHDK code assumes 240)
 127 int vid_get_viewport_yscale() {
 128         return 2;               // G12 viewport is 480 pixels high
 129 }
 131 int vid_get_viewport_width()
 132 {
 133     if (camera_info.state.mode_play)
 134     {
 135         return 360;
 136     }
 137     extern int _GetVRAMHPixelsSize();
 138     return _GetVRAMHPixelsSize() >> 1;
 139 }
 141 // viewport width offset table for each image size
 142 // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 143 static long vp_xo[5] = { 0, 0, 0, 44, 72 };                             // should all be even values for edge overlay
 145 int vid_get_viewport_xoffset()
 146 {
 147     if (camera_info.state.mode_play)
 148     {
 149         return 0;
 150     }
 151     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16908) // Stitch mode
 152     {
 153         return 0;
 154     }
 155     else
 156     {
 157             return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 158     }
 159 }
 161 int vid_get_viewport_display_xoffset()
 162 {
 163     if (camera_info.state.mode_play)
 164     {
 165         return 0;
 166     }
 167     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16908) // Stitch mode
 168     {
 169         if (shooting_get_prop(PROPCASE_STITCH_DIRECTION) == 0)      // Direction check
 170             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 171                 return 40;
 172             else
 173                 return 140;
 174         else
 175             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 176                 return 140;
 177             else
 178                 return 40;
 179     }
 180     else
 181     {
 182             return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 183     }
 184 }
 186 long vid_get_viewport_height()
 187 {
 188     if (camera_info.state.mode_play)
 189     {
 190         return 240;
 191     }
 192     extern int _GetVRAMVPixelsSize();
 193     return _GetVRAMVPixelsSize() >> 1;
 194 }
 196 static int vp_yoffset(int stitch)
 197 {
 198     // viewport height offset table for each image size
 199     // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 200     static long vp_yo[5] = { 0, 30, 13, 0, 0 };
 202     if (camera_info.state.mode_play)
 203     {
 204         return 0;
 205     }
 206     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16908) // Stitch mode
 207     {
 208         return stitch;
 209     }
 210     else if (camera_info.state.mode_video)
 211     {
 212         return 30;
 213     }
 214     else
 215     {
 216             return vp_yo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 217     }
 218 }
 220 int vid_get_viewport_yoffset()
 221 {
 222     return vp_yoffset(0);
 223 }
 225 int vid_get_viewport_display_yoffset()
 226 {
 227     return vp_yoffset(72);
 228 }
 230 // Functions for PTP Live View system
 231 int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset() * 2; }
 232 int vid_get_viewport_display_yoffset_proper()   { return vid_get_viewport_display_yoffset() * 2; }
 233 int vid_get_viewport_height_proper()            { return vid_get_viewport_height() * 2; }
 234 int vid_get_viewport_fullscreen_height()        { return 480; }
 235 int vid_get_palette_type()                      { return 3; }
 236 int vid_get_palette_size()                      { return 256 * 4; }
 238 void *vid_get_bitmap_active_buffer()
 239 {
 240     return bitmap_buffer[active_bitmap_buffer];
 241 }
 243 void *vid_get_bitmap_active_palette()
 244 {
 245     extern int active_palette_buffer;
 246     extern char* palette_buffer[];
 247     void* p = palette_buffer[active_palette_buffer];
 248     // Don't add offset if value is 0
 249     if (p) p += 8;
 250     return p;
 251 }
 253 // Function to load CHDK custom colors into active Canon palette
 254 void load_chdk_palette()
 255 {
 256     extern int active_palette_buffer;
 257     // Only load for the standard record and playback palettes
 258     if ((active_palette_buffer == 0) || (active_palette_buffer == 4) || (active_palette_buffer == 6))
 259     {
 260         int *pal = (int*)vid_get_bitmap_active_palette();
 261         if (pal && pal[CHDK_COLOR_BASE+0] != 0x33ADF62)
 262         {
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
 278             extern char palette_control;
palette_control = 1;
vid_bitmap_refresh();
 281         }
 282     }
 283 }