root/platform/g15/lib.c

DEFINITIONS

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

   1 #include "platform.h"
   2 #include "platform_palette.h"
   3 #include "lolevel.h"
   5 void vid_bitmap_refresh()
   6 {
   7         extern int full_screen_refresh;
   8         extern void _ScreenUnlock();
   9         extern void _ScreenLock();
full_screen_refresh |= 3;
_ScreenLock();
_ScreenUnlock();
  14 }
  17 void shutdown()
  18 {
  19         volatile long *p = (void*)0xC022001C;
  21         asm(
  22                 "MRS     R1, CPSR\n"
  23                 "AND     R0, R1, #0x80\n"
  24                 "ORR     R1, R1, #0x80\n"
  25                 "MSR     CPSR_cf, R1\n"
  26                 :::"r1","r0");
  28         *p = 0x44;  // power off.
  30         while(1);
  31 }
  33 #define LED_PR 0xC022C200   //TODO
  35 void debug_led(int state)   //TODO
  36 {
  37         // using power LED, which defaults to on
  38         // for debugging turn LED off if state is 1 and on for state = 0
  39         // leaves LED on at end of debugging
  40     volatile long *p = (void*)LED_PR;
  41     *p = (*p & 0xFFFFFFCF) | ((state) ? 0x00 : 0x20);
  42 }
  45 // G15 led values:
  46 // 0 Upper indicator Green
  47 // 1 Lower indicator Orange
  48 // 2 Power LED Green
  49 // 4 AF Assist Lamp
  50 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  51  static char led_table[4] = {0, 1, 2, 4};
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  53 }
  55 int get_flash_params_count(void) { return 0xa6; }                          // Found @0xff1f67a0
  57 void JogDial_CW(void){
_PostLogicalEventForNotPowerType(0x871, 1);  // RotateJogDialRight (in table @ 0xff618754 (0xff72bc44), fw 1.00b)
  59 }
  61 void JogDial_CCW(void){
_PostLogicalEventForNotPowerType(0x872, 1);  // RotateJogDialLeft (in table @ 0xff618760 (0xff72bb87), fw 1.00b)
  63 }
  65 // Viewport and Bitmap values that shouldn't change across firmware versions.
  66 // Values that may change are in lib.c for each firmware version.
  68 /* TODO: currently using sigfinder's data 
  69 // Defined in stubs_min.S
  70 extern char active_viewport_buffer;
  71 extern void* viewport_buffers[];
  72 
  73 void *vid_get_viewport_fb()
  74 {
  75     // Return first viewport buffer - for case when vid_get_viewport_live_fb not defined
  76     return viewport_buffers[0];
  77 }
  78 
  79 void *vid_get_viewport_live_fb()
  80 {
  81     if (MODE_IS_VIDEO(mode_get()) || is_video_recording())
  82         return viewport_buffers[0];     // Video only seems to use the first viewport buffer.
  83 
  84     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
  85     return viewport_buffers[(active_viewport_buffer-1)&7];
  86 }
  87 */
  89 void *vid_get_viewport_live_fb()
  90 {
  91     return vid_get_viewport_fb();
  92 }
  94 // Defined in stubs_min.S
  95 extern int active_bitmap_buffer;
  96 extern char* bitmap_buffer[];
  98 // Y multiplier for cameras with 480 pixel high viewports (CHDK code assumes 240)
  99 int vid_get_viewport_yscale() {
 100         return 2;
 101 }
 103 int vid_get_viewport_width()
 104 {
 105     if ((mode_get() & MODE_MASK) == MODE_PLAY)
 106     {
 107         return 360;
 108     }
 109     extern int _GetVRAMHPixelsSize();
 110     return _GetVRAMHPixelsSize() >> 1;
 111 }
 113 // viewport width offset table for each image size
 114 // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 115 static long vp_xo[5] = { 0, 0, 0, 44, 72 };                             // should all be even values for edge overlay
 117 int vid_get_viewport_xoffset()
 118 {
 119     if ((mode_get() & MODE_MASK) == MODE_PLAY)
 120     {
 121         return 0;
 122     }
 123     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == MODE_STITCH) // Stitch mode
 124     {
 125         return 0;
 126     }
 127     else
 128     {
 129         return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 130     }
 131 }
 133 int vid_get_viewport_display_xoffset()
 134 {
 135     if ((mode_get() & MODE_MASK) == MODE_PLAY)
 136     {
 137         return 0;
 138     }
 139     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == MODE_STITCH) // Stitch mode
 140     {
 141         if (shooting_get_prop(PROPCASE_STITCH_DIRECTION) == 0)      // Direction check
 142             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 143                 return 40;
 144             else
 145                 return 140;
 146         else
 147             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 148                 return 140;
 149             else
 150                 return 40;
 151     }
 152     else
 153     {
 154         return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 155     }
 156 }
 158 long vid_get_viewport_height()
 159 {
 160     if ((mode_get() & MODE_MASK) == MODE_PLAY)
 161     {
 162         return 240;
 163     }
 164     extern int _GetVRAMVPixelsSize();
 165     return _GetVRAMVPixelsSize() >> 1;
 166 }
 168 static int vp_yoffset(int stitch)
 169 {
 170     // viewport height offset table for each image size
 171     // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 172     static long vp_yo[5] = { 0, 30, 13, 0, 0 };
 174     int m = mode_get();
 175     if ((m & MODE_MASK) == MODE_PLAY)
 176     {
 177         return 0;
 178     }
 179     else if (shooting_get_prop(PROPCASE_SHOOTING_MODE) == MODE_STITCH)
 180     {
 181         return stitch;
 182     }
 183     else if (mode_is_video(m) || get_movie_status() == VIDEO_RECORD_IN_PROGRESS)
 184     {
 185         return 30;
 186     }
 187     else
 188     {
 189             return vp_yo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 190     }
 191 }
 193 int vid_get_viewport_yoffset()
 194 {
 195     return vp_yoffset(0);
 196 }
 198 int vid_get_viewport_display_yoffset()
 199 {
 200     return vp_yoffset(72);
 201 }
 203 // Functions for PTP Live View system
 204 int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset() * 2; }
 205 int vid_get_viewport_display_yoffset_proper()   { return vid_get_viewport_display_yoffset() * 2; }
 206 int vid_get_viewport_height_proper()            { return vid_get_viewport_height() * 2; }
 207 int vid_get_viewport_fullscreen_height()        { return 480; }
 208 int vid_get_palette_type()                      { return 5; }
 209 int vid_get_palette_size()                      { return 256 * 4; }
 211 void *vid_get_bitmap_active_buffer()
 212 {
 213     return bitmap_buffer[active_bitmap_buffer];
 214 }
 216 void *vid_get_bitmap_active_palette()
 217 {
 218     extern int active_palette_buffer;
 219     extern char* palette_buffer[];
 220     void* p = palette_buffer[active_palette_buffer];
 221     // Don't add offset if value is 0
 222     if (p) p += 4;
 223     return p;
 224 }
 226 // Function to load CHDK custom colors into active Canon palette
 227 void load_chdk_palette()
 228 {
 229     extern int active_palette_buffer;
 230     // Only load for the standard record and playback palettes
 231     if ((active_palette_buffer == 0) || (active_palette_buffer == 5) || (active_palette_buffer == 6))
 232     {
 233         int *pal = (int*)vid_get_bitmap_active_palette();
 234         if (pal && pal[CHDK_COLOR_BASE+0] != 0x3F3ADF62)
 235         {
pal[CHDK_COLOR_BASE+0]  = 0x3F3ADF62;  // Red
pal[CHDK_COLOR_BASE+1]  = 0x3F26EA40;  // Dark Red
pal[CHDK_COLOR_BASE+2]  = 0x3F4CD57F;  // Light Red
pal[CHDK_COLOR_BASE+3]  = 0x3F73BFAE;  // Green
pal[CHDK_COLOR_BASE+4]  = 0x3F4BD6CA;  // Dark Green
pal[CHDK_COLOR_BASE+5]  = 0x3F95AB95;  // Light Green
pal[CHDK_COLOR_BASE+6]  = 0x3F4766F0;  // Blue
pal[CHDK_COLOR_BASE+7]  = 0x3F1250F3;  // Dark Blue
pal[CHDK_COLOR_BASE+8]  = 0x3F7F408F;  // Cyan
pal[CHDK_COLOR_BASE+9]  = 0x3F512D5B;  // Magenta
pal[CHDK_COLOR_BASE+10] = 0x3FA9A917;  // Yellow
pal[CHDK_COLOR_BASE+11] = 0x3F819137;  // Dark Yellow
pal[CHDK_COLOR_BASE+12] = 0x3FDED115;  // Light Yellow
 250             extern char palette_control;
palette_control = 1;
vid_bitmap_refresh();
 253         }
 254     }
 255 }