root/platform/g1x/lib.c

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DEFINITIONS

This source file includes following 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_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_display_xoffset_proper
  23. vid_get_viewport_display_yoffset_proper
  24. vid_get_viewport_height_proper
  25. vid_get_viewport_fullscreen_height
  26. vid_get_palette_type
  27. vid_get_palette_size
  28. vid_get_bitmap_active_buffer
  29. vid_get_bitmap_active_palette
  30. load_chdk_palette

   1 #include "platform.h"
   2 #include "platform_palette.h"
   3 #include "lolevel.h"
   4 
   5 
   6 extern  int     active_raw_buffer;
   7 extern  char*   raw_buffers[];
   8 
   9 char *hook_raw_image_addr()
  10 {
  11     return raw_buffers[active_raw_buffer];
  12 }
  13 
  14 char *hook_alt_raw_image_addr()
  15 {
  16     return raw_buffers[active_raw_buffer^1];
  17 }
  18 
  19 
  20 char *camera_jpeg_count_str()
  21 {
  22     extern char jpeg_count_str[];
  23         return jpeg_count_str;
  24 }
  25 
  26 
  27 void vid_bitmap_refresh()
  28 {
  29         extern int full_screen_refresh;
  30         extern void _ScreenUnlock();
  31         extern void _ScreenLock();
  32 
  33         full_screen_refresh |= 3;
  34         _ScreenLock();
  35         _ScreenUnlock();
  36 }
  37 
  38 
  39 void shutdown()
  40 {
  41         volatile long *p = (void*)0xC022001C;
  42 
  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");
  49 
  50         *p = 0x44;  // power off.
  51 
  52         while(1);
  53 }
  54 
  55 #define LED_PR 0xC022C30C       // Power LED (@FF15D0D0 & @FF15D124 G1X 1.00f)
  56 
  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 }
  65 
  66 // G1X has 4 led values
  67 // 0/0 - Upper indicator Green
  68 // 1/1 - Lower indicator Orange
  69 // 2/3 - Power LED Green
  70 // 3/9 - AF Assist Lamp
  71 void camera_set_led(int led, int state, int bright) {
  72  static char led_table[5]={0,1,3,9};
  73  _LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  74 }
  75 
  76 int get_flash_params_count(void) { return 0x9f; }              // Found @0xff206724
  77 
  78 void JogDial_CW(void){
  79  _PostLogicalEventToUI(0x872, 1);  // RotateJogDialRight (in levent_table)
  80 }
  81 
  82 void JogDial_CCW(void){
  83  _PostLogicalEventToUI(0x873, 1);  // RotateJogDialLeft (in levent_table)
  84 }
  85 
  86 // Viewport and Bitmap values that shouldn't change across firmware versions.
  87 // Values that may change are in lib.c for each firmware version.
  88 
  89 // Defined in stubs_min.S
  90 extern char active_viewport_buffer;
  91 extern void* viewport_buffers[];
  92 
  93 void *vid_get_viewport_fb()
  94 {
  95     // Return first viewport buffer - for case when vid_get_viewport_live_fb not defined
  96     return viewport_buffers[0];
  97 }
  98 
  99 void *vid_get_viewport_live_fb()
 100 {
 101     if (camera_info.state.mode_video || is_video_recording())
 102         return viewport_buffers[0];     // Video only seems to use the first viewport buffer.
 103 
 104     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
 105     return viewport_buffers[(active_viewport_buffer-1)&3];
 106 }
 107 
 108 void *vid_get_viewport_fb_d()
 109 {
 110     extern char *viewport_fb_d;
 111         return viewport_fb_d;
 112 }
 113 
 114 // Defined in stubs_min.S
 115 extern int active_bitmap_buffer;
 116 extern char* bitmap_buffer[];
 117 
 118 void *vid_get_bitmap_fb()
 119 {
 120     // Return first bitmap buffer address
 121     return bitmap_buffer[0];
 122 }
 123 
 124 // Y multiplier for cameras with 480 pixel high viewports (CHDK code assumes 240)
 125 int vid_get_viewport_yscale() {
 126         return 2;               // G1X viewport is 480 pixels high
 127 }
 128 
 129 int vid_get_viewport_width()
 130 {
 131     if (camera_info.state.mode_play)
 132     {
 133         return 360;
 134     }
 135     extern int _GetVRAMHPixelsSize();
 136     return _GetVRAMHPixelsSize() >> 1;
 137 }
 138 
 139 int vid_get_viewport_display_xoffset()
 140 {
 141     if (camera_info.state.mode_play)
 142     {
 143         return 0;
 144     }
 145     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16909) // Stitch mode
 146     {
 147         if (shooting_get_prop(PROPCASE_STITCH_DIRECTION) == 0)      // Direction check
 148             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 149                 return 40;
 150             else
 151                 return 140;
 152         else
 153             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 154                 return 140;
 155             else
 156                 return 40;
 157     }
 158     else
 159     {
 160             // viewport width offset table for each image size
 161             // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 162             static long vp_w[5] = { 0, 0, 0, 44, 72 };                          // should all be even values for edge overlay
 163             return vp_w[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 164     }
 165 }
 166 
 167 long vid_get_viewport_height()
 168 {
 169     if (camera_info.state.mode_play)
 170     {
 171         return 240;
 172     }
 173     extern int _GetVRAMVPixelsSize();
 174     return _GetVRAMVPixelsSize() >> 1;
 175 }
 176 
 177 static int vp_yoffset(int stitch)
 178 {
 179     // viewport height offset table for each image size
 180     // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 181     static long vp_yo[5] = { 0, 30, 13, 0, 0 };
 182 
 183     if (camera_info.state.mode_play)
 184     {
 185         return 0;
 186     }
 187     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == 16909) // Stitch mode
 188     {
 189         return stitch;
 190     }
 191     else if (camera_info.state.mode_video)
 192     {
 193         return 30;
 194     }
 195     else
 196     {
 197             return vp_yo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 198     }
 199 }
 200 
 201 int vid_get_viewport_yoffset()
 202 {
 203     return vp_yoffset(0);
 204 }
 205 
 206 int vid_get_viewport_display_yoffset()
 207 {
 208     return vp_yoffset(72);
 209 }
 210 
 211 // Functions for PTP Live View system
 212 int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset() * 2; }
 213 int vid_get_viewport_display_yoffset_proper()   { return vid_get_viewport_display_yoffset() * 2; }
 214 int vid_get_viewport_height_proper()            { return vid_get_viewport_height() * 2; }
 215 int vid_get_viewport_fullscreen_height()        { return 480; }
 216 int vid_get_palette_type()                      { return 3; }
 217 int vid_get_palette_size()                      { return 256 * 4; }
 218 
 219 void *vid_get_bitmap_active_buffer()
 220 {
 221     return bitmap_buffer[active_bitmap_buffer];
 222 }
 223 
 224 void *vid_get_bitmap_active_palette()
 225 {
 226     extern int active_palette_buffer;
 227     extern char* palette_buffer[];
 228     return (palette_buffer[active_palette_buffer]+4);
 229 }
 230 
 231 // Function to load CHDK custom colors into active Canon palette
 232 void load_chdk_palette()
 233 {
 234     extern int active_palette_buffer;
 235     // Only load for the standard record and playback palettes
 236     if ((active_palette_buffer == 0) || (active_palette_buffer == 3) || (active_palette_buffer == 6))
 237     {
 238         int *pal = (int*)vid_get_bitmap_active_palette();
 239         if (pal[CHDK_COLOR_BASE+0] != 0x33ADF62)
 240         {
 241             pal[CHDK_COLOR_BASE+0]  = 0x33ADF62;  // Red
 242             pal[CHDK_COLOR_BASE+1]  = 0x326EA40;  // Dark Red
 243             pal[CHDK_COLOR_BASE+2]  = 0x34CD57F;  // Light Red
 244             pal[CHDK_COLOR_BASE+3]  = 0x373BFAE;  // Green
 245             pal[CHDK_COLOR_BASE+4]  = 0x34BD6CA;  // Dark Green
 246             pal[CHDK_COLOR_BASE+5]  = 0x395AB95;  // Light Green
 247             pal[CHDK_COLOR_BASE+6]  = 0x34766F0;  // Blue
 248             pal[CHDK_COLOR_BASE+7]  = 0x31250F3;  // Dark Blue
 249             pal[CHDK_COLOR_BASE+8]  = 0x37F408F;  // Cyan
 250             pal[CHDK_COLOR_BASE+9]  = 0x3512D5B;  // Magenta
 251             pal[CHDK_COLOR_BASE+10] = 0x3A9A917;  // Yellow
 252             pal[CHDK_COLOR_BASE+11] = 0x3819137;  // Dark Yellow
 253             pal[CHDK_COLOR_BASE+12] = 0x3DED115;  // Light Yellow
 254             pal[CHDK_COLOR_BASE+13] = 0x0090000;  // Transparent dark grey
 255 
 256             extern char palette_control;
 257             palette_control = 1;
 258             vid_bitmap_refresh();
 259         }
 260     }
 261 }

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