root/platform/sx40hs/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_xoffset
17. vid_get_viewport_display_xoffset
18. vid_get_viewport_height
19. vp_yoffset
20. vid_get_viewport_yoffset
21. vid_get_viewport_display_yoffset
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];
  12 }
  14 char *hook_alt_raw_image_addr()
  15 {
  16     return raw_buffers[active_raw_buffer^1];
  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 0xC022C30C       // Power LED (@FF15B178 & @FF15B1CC)
  57 void debug_led(int state)
  58 {
  59         // using power LED, which defaults to on
  60         // for debugging turn LED off if state is 1 and on for state = 0
  61         // leaves LED on at end of debugging
  62     volatile long *p = (void*)LED_PR;
  63     *p = (*p & 0xFFFFFFCF) | ((state) ? 0x00 : 0x20);
  64 }
  66 // SX40 has two 'lights' - Power LED, and AF assist lamp
  67 // Power Led = first entry in table (led 0)
  68 // AF Assist Lamp = second entry in table (led 1)
  69 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  70  static char led_table[2]={3,9};
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  72 }
  74 int get_flash_params_count(void) { return 0x9f; }              // Found @0xff205db4
  76 void JogDial_CW(void){
_PostLogicalEventToUI(0x872, 1);  // RotateJogDialRight (in table @ FF593E50, fw 1.00g)
  78 }
  80 void JogDial_CCW(void){
_PostLogicalEventToUI(0x873, 1);  // RotateJogDialLeft (in table @ FF593E5C, fw 1.00g)
  82 }
  84 // Viewport and Bitmap values that shouldn't change across firmware versions.
  85 // Values that may change are in lib.c for each firmware version.
  87 // Defined in stubs_min.S
  88 extern char active_viewport_buffer;
  89 extern void* viewport_buffers[];
  91 void *vid_get_viewport_fb()
  92 {
  93     // Return first viewport buffer - for case when vid_get_viewport_live_fb not defined
  94     return viewport_buffers[0];
  95 }
  97 void *vid_get_viewport_live_fb()
  98 {
  99     int b = (active_viewport_buffer-1)&3;
 100     if ((b == 3) && (camera_info.state.mode_video || ((camera_info.state.mode & MODE_SHOOTING_MASK) == MODE_VIDEO_MOVIE_DIGEST) || (get_movie_status()==VIDEO_RECORD_IN_PROGRESS)))
b = 2;  // Video only seems to use the first 3 viewport buffers.
 103     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
 104     return viewport_buffers[b];
 105 }
 107 void *vid_get_viewport_fb_d()
 108 {
 109     extern char *viewport_fb_d;
 110         return viewport_fb_d;
 111 }
 113 // Defined in stubs_min.S
 114 extern int active_bitmap_buffer;
 115 extern char* bitmap_buffer[];
 117 void *vid_get_bitmap_fb()
 118 {
 119     // Return first bitmap buffer address
 120     return bitmap_buffer[0];
 121 }
 123 int vid_get_viewport_width()
 124 {
 125     if (camera_info.state.mode_play)
 126     {
 127         return 360;
 128     }
 129     extern int _GetVRAMHPixelsSize();
 130     return _GetVRAMHPixelsSize() >> 1;
 131 }
 133 // viewport width offset table for each image size
 134 // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1
 135 static long vp_xo[5] = { 0, 0, 0, 44 };                         // should all be even values for edge overlay
 137 int vid_get_viewport_xoffset()
 138 {
 139     if (camera_info.state.mode_play)
 140     {
 141         return 0;
 142     }
 143     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16909) // Stitch mode
 144     {
 145         return 0;
 146     }
 147     else
 148     {
 149             return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 150     }
 151 }
 153 int vid_get_viewport_display_xoffset()
 154 {
 155     if (camera_info.state.mode_play)
 156     {
 157         return 0;
 158     }
 159     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16909) // Stitch mode
 160     {
 161         if (shooting_get_prop(PROPCASE_STITCH_DIRECTION) == 0)      // Direction check
 162             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 163                 return 40;
 164             else
 165                 return 140;
 166         else
 167             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 168                 return 140;
 169             else
 170                 return 40;
 171     }
 172     else
 173     {
 174             return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 175     }
 176 }
 178 long vid_get_viewport_height()
 179 {
 180     if (camera_info.state.mode_play)
 181     {
 182         return 240;
 183     }
 184     extern int _GetVRAMVPixelsSize();
 185     return _GetVRAMVPixelsSize();
 186 }
 188 static int vp_yoffset(int stitch)
 189 {
 190     // viewport height offset table for each image size
 191     // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1
 192     static long vp_yo[5] = { 0, 30, 13, 0 };
 194     if (camera_info.state.mode_play)
 195     {
 196         return 0;
 197     }
 198     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16908) // Stitch mode
 199     {
 200         return stitch;
 201     }
 202     else if (camera_info.state.mode_video)
 203     {
 204         return 30;
 205     }
 206     else
 207     {
 208             return vp_yo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 209     }
 210 }
 212 int vid_get_viewport_yoffset()
 213 {
 214     return vp_yoffset(0);
 215 }
 217 int vid_get_viewport_display_yoffset()
 218 {
 219     return vp_yoffset(72);
 220 }
 222 // Functions for PTP Live View system
 224 int vid_get_viewport_height_proper()            { return vid_get_viewport_height(); }
 225 int vid_get_palette_type()                      { return 3; }
 226 int vid_get_palette_size()                      { return 256 * 4; }
 228 void *vid_get_bitmap_active_buffer()
 229 {
 230     return bitmap_buffer[active_bitmap_buffer];
 231 }
 233 void *vid_get_bitmap_active_palette()
 234 {
 235     extern int active_palette_buffer;
 236     extern char* palette_buffer[];
 237     void* p = palette_buffer[active_palette_buffer];
 238     // Don't add offset if value is 0
 239     if (p) p += 4;
 240     return p;
 241 }
 243 // Function to load CHDK custom colors into active Canon palette
 244 void load_chdk_palette()
 245 {
 246     extern int active_palette_buffer;
 247     // Only load for the standard record and playback palettes
 248     if ((active_palette_buffer == 0) || (active_palette_buffer == 3) || (active_palette_buffer == 6))
 249     {
 250         int *pal = (int*)vid_get_bitmap_active_palette();
 251         if (pal && pal[CHDK_COLOR_BASE+0] != 0x33ADF62)
 252         {
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
 268             extern char palette_control;
palette_control = 1;
vid_bitmap_refresh();
 271         }
 272     }
 273 }