root/platform/ixus310_elph500hs/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. vid_get_viewport_fb
10. vid_get_viewport_live_fb
11. vid_get_viewport_fb_d
12. vid_get_bitmap_fb
13. vid_get_viewport_byte_width
14. vid_get_viewport_yscale
15. vid_get_viewport_width
16. vid_get_viewport_display_xoffset
17. vid_get_viewport_height
18. vid_get_viewport_display_xoffset_proper
19. vid_get_viewport_height_proper
20. vid_get_viewport_buffer_width_proper
21. vid_get_viewport_fullscreen_height
22. vid_get_palette_type
23. vid_get_palette_size
24. vid_get_aspect_ratio
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 0xC0220110   // Power Indicator
  57 void debug_led(int state)
  58 {
  59     *(int*)LED_PR=state ? 0x46 : 0x44;
  60 }
  62 // IXUS 310 has 2 led values
  63 // 0/7 - Power LED (Green)
  64 // 1/11 - AF Assist Lamp
  65 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  66     static char led_table[2]={7,11};
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  68 }
  70 int get_flash_params_count(void){
  71     return 0xA0;   // found in GetParameterData
  72 }
  74 // Viewport and Bitmap values that shouldn't change across firmware versions.
  75 // Values that may change are in lib.c for each firmware version.
  77 // Defined in stubs_min.S
  78 extern char active_viewport_buffer;
  79 extern void* viewport_buffers[];
  81 void *vid_get_viewport_fb()
  82 {
  83     // Return first viewport buffer - for case when vid_get_viewport_live_fb not defined
  84     return viewport_buffers[0];
  85 }
  87 void *vid_get_viewport_live_fb()
  88 {
  89     int b = (active_viewport_buffer-1)&3;
  90     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.
  93     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
  94     return viewport_buffers[b];
  95 }
  97 void *vid_get_viewport_fb_d()
  98 {
  99     extern char *viewport_fb_d;
 100     return viewport_fb_d;
 101 }
 103 // Defined in stubs_min.S
 104 extern int active_bitmap_buffer;
 105 extern char* bitmap_buffer[];
 107 void *vid_get_bitmap_fb()
 108 {
 109     // Return first bitmap buffer address
 110     return bitmap_buffer[0];
 111 }
 113 // Physical width of viewport row in bytes
 114 int vid_get_viewport_byte_width() {
 115     return 960 * 6 / 4;     // IXUS 310 - wide screen LCD is 960 pixels wide, each group of 4 pixels uses 6 bytes (UYVYYY)
 116 }
 118 // Y multiplier for cameras with 480 pixel high viewports (CHDK code assumes 240)
 119 int vid_get_viewport_yscale() {
 120     return 2;               // IXUS 310 viewport is 480 pixels high
 121 }
 123 int vid_get_viewport_width()
 124 {
 125     if (camera_info.state.mode_play)
 126     {
 127         return 480;
 128     }
 129     extern int _GetVRAMHPixelsSize();
 130     return _GetVRAMHPixelsSize() >> 1;
 131 }
 133 int vid_get_viewport_display_xoffset()
 134 {
 135     if (camera_info.state.mode_play)
 136     {
 137         return 0;
 138     }
 139     else 
 140     {
 141         // viewport width offset table for each image size
 142         // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1
 143         static long vp_w[5] = { 60, 0, 36, 104 };               // should all be even values for edge overlay
 144         return vp_w[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 145     }
 146 }
 148 long vid_get_viewport_height(){ return 240; }
 150 // Functions for PTP Live View system
 152 int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset() * 2; }
 153 int vid_get_viewport_height_proper()            { return 480; }
 154 int vid_get_viewport_buffer_width_proper()      { return 960; }
 155 int vid_get_viewport_fullscreen_height()        { return 480; }
 156 int vid_get_palette_type()                      { return 3; }
 157 int vid_get_palette_size()                      { return 256 * 4; }
 158 int vid_get_aspect_ratio()                      { return 1; }
 160 void *vid_get_bitmap_active_buffer()
 161 {
 162     return bitmap_buffer[active_bitmap_buffer];
 163 }
 165 void *vid_get_bitmap_active_palette()
 166 {
 167     extern int active_palette_buffer;
 168     extern char* palette_buffer[];
 169     // Get Canon 'Color Options' menu setting - used to offset active_palette_buffer value.
 170     int color_option = 0;
get_parameter_data(0x1a, &color_option, 1);
 172     void* p = palette_buffer[active_palette_buffer+color_option];
 173     // Don't add offset if value is 0
 174     if (p) p += 8;
 175     return p;
 176 }
 178 // Function to load CHDK custom colors into active Canon palette
 179 void load_chdk_palette()
 180 {
 181     extern int active_palette_buffer;
 182     // Only load for the standard record and playback palettes
 183     if ((active_palette_buffer == 0) || (active_palette_buffer == 16))
 184     {
 185         int *pal = (int*)vid_get_bitmap_active_palette();
 186         if (pal && (pal[CHDK_COLOR_BASE+0] != 0x33ADF62))
 187         {
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
 203             extern char palette_control;
palette_control = 1;
vid_bitmap_refresh();
 206         }
 207     }
 208 }