root/platform/sx30/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_width
16. vid_get_viewport_display_xoffset
17. vid_get_viewport_height
18. vp_yoffset
19. vid_get_viewport_yoffset
20. vid_get_viewport_display_yoffset
21. vid_get_viewport_display_xoffset_proper
22. vid_get_viewport_height_proper
23. vid_get_palette_type
24. vid_get_palette_size
25. vid_get_bitmap_active_buffer
26. vid_get_bitmap_active_palette
27. 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 0xC0220134       // Power LED
  57 // TODO = this uses power LED, need to disable later (so power LED doesn't flicker)
  58 void debug_led(__attribute__ ((unused))int state)
  59 {
  60  //*(int*)LED_PR=state ? 0x46 : 0x44;
  61 }
  63 // SX30 has two 'lights' - Power LED, and AF assist lamp
  64 // Power Led = first entry in table (led 0)
  65 // AF Assist Lamp = second entry in table (led 1)
  66 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  67  static char led_table[2]={3,9};
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  69 }
  71 int get_flash_params_count(void){
  72  return 0x9a;   // found in GetParameterData ??? 
  73 }
  75 void JogDial_CW(void){
_PostLogicalEventForNotPowerType(0x86E, 1);  // RotateJogDialRight (in table @ FFC0E88C, fw 1.00h)
  77 }
  79 void JogDial_CCW(void){
_PostLogicalEventForNotPowerType(0x86F, 1);  // RotateJogDialLeft (in table @ FFC0E88C, fw 1.00h)
  81 }
  83 // Viewport and Bitmap values that shouldn't change across firmware versions.
  84 // Values that may change are in lib.c for each firmware version.
  86 // Defined in stubs_min.S
  87 extern char active_viewport_buffer;
  88 extern void* viewport_buffers[];
  90 void *vid_get_viewport_fb()
  91 {
  92     // Return first viewport buffer - for case when vid_get_viewport_live_fb not defined
  93     return viewport_buffers[0];
  94 }
  96 void *vid_get_viewport_live_fb()
  97 {
  98     if (camera_info.state.mode_video || (get_movie_status()==VIDEO_RECORD_IN_PROGRESS))
  99         return viewport_buffers[0];     // Video only seems to use the first viewport buffer.
 101     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
 102     return viewport_buffers[(active_viewport_buffer-1)&3];
 103 }
 105 void *vid_get_viewport_fb_d()
 106 {
 107     extern char *viewport_fb_d;
 108         return viewport_fb_d;
 109 }
 111 // Defined in stubs_min.S
 112 extern int active_bitmap_buffer;
 113 extern char* bitmap_buffer[];
 115 void *vid_get_bitmap_fb()
 116 {
 117     // Return first bitmap buffer address
 118     return bitmap_buffer[0];
 119 }
 121 int vid_get_viewport_width()
 122 {
 123     if (camera_info.state.mode_play)
 124     {
 125         return 360;
 126     }
 127     extern int _GetVRAMHPixelsSize();
 128     return _GetVRAMHPixelsSize() >> 1;
 129 }
 131 int vid_get_viewport_display_xoffset()
 132 {
 133     if (camera_info.state.mode_play)
 134     {
 135         return 0;
 136     }
 137     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16908) // Stitch mode
 138     {
 139         if (shooting_get_prop(PROPCASE_STITCH_DIRECTION) == 0)      // Direction check
 140             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 141                 return 40;
 142             else
 143                 return 140;
 144         else
 145             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 146                 return 140;
 147             else
 148                 return 40;
 149     }
 150     else
 151     {
 152         return 0;
 153     }
 154 }
 156 long vid_get_viewport_height()
 157 {
 158     if (camera_info.state.mode_play)
 159     {
 160         return 240;
 161     }
 162     extern int _GetVRAMVPixelsSize();
 163     return _GetVRAMVPixelsSize();
 164 }
 166 static int vp_yoffset(int stitch)
 167 {
 168     if (camera_info.state.mode_play)
 169     {
 170         return 0;
 171     }
 172     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16908) // Stitch mode
 173     {
 174         return stitch;
 175     }
 176     else if (camera_info.state.mode_video)
 177     {
 178         return 30;
 179     }
 180     else if (shooting_get_prop(PROPCASE_ASPECT_RATIO) == 1)     // Wide screen top & bottom 30 pixels not used in viewport
 181                 return 30;
 182         return 0;
 183 }
 185 int vid_get_viewport_yoffset()
 186 {
 187     return vp_yoffset(0);
 188 }
 190 int vid_get_viewport_display_yoffset()
 191 {
 192     return vp_yoffset(72);
 193 }
 195 // Functions for PTP Live View system
 197 int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset() * 2; }
 198 int vid_get_viewport_height_proper()            { return vid_get_viewport_height(); }
 199 int vid_get_palette_type()                      { return 3; }
 200 int vid_get_palette_size()                      { return 256 * 4; }
 202 void *vid_get_bitmap_active_buffer()
 203 {
 204     return bitmap_buffer[active_bitmap_buffer];
 205 }
 207 void *vid_get_bitmap_active_palette()
 208 {
 209     extern int active_palette_buffer;
 210     extern char* palette_buffer[];
 211     void* p = palette_buffer[active_palette_buffer];
 212     // Don't add offset if value is 0
 213     if (p) p += 8;
 214     return p;
 215 }
 217 // Function to load CHDK custom colors into active Canon palette
 218 void load_chdk_palette()
 219 {
 220     extern int active_palette_buffer;
 221     // Only load for the standard record and playback palettes
 222     if ((active_palette_buffer == 0) || (active_palette_buffer == 4) || (active_palette_buffer == 6))
 223     {
 224         int *pal = (int*)vid_get_bitmap_active_palette();
 225         if (pal && pal[CHDK_COLOR_BASE+0] != 0x33ADF62)
 226         {
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
 242             extern char palette_control;
palette_control = 1;
vid_bitmap_refresh();
 245         }
 246     }
 247 }