root/platform/s95/lib.c

DEFINITIONS

1. shutdown
2. debug_led
3. camera_set_led
4. JogDial_CW
5. JogDial_CCW
6. get_flash_params_count
7. vid_bitmap_refresh
8. shutdown_soft
9. hook_raw_image_addr
10. hook_alt_raw_image_addr
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_xoffset
18. vid_get_viewport_display_xoffset
19. vid_get_viewport_height
20. vp_yoffset
21. vid_get_viewport_yoffset
22. vid_get_viewport_display_yoffset
23. vid_get_viewport_display_xoffset_proper
24. vid_get_viewport_display_yoffset_proper
25. vid_get_viewport_height_proper
26. vid_get_viewport_fullscreen_height
27. vid_get_palette_type
28. vid_get_palette_size
29. vid_get_bitmap_active_buffer
30. vid_get_bitmap_active_palette
31. camera_jpeg_count_str

   1 #include "platform.h"
   2 #include "lolevel.h"
   5 void shutdown()
   6 {
   7     volatile long *p = (void*)0xc022012C; // from S90
   9     asm(
  10          "MRS     R1, CPSR\n"
  11          "AND     R0, R1, #0x80\n"
  12          "ORR     R1, R1, #0x80\n"
  13          "MSR     CPSR_cf, R1\n"
  14          :::"r1","r0");
  16     *p = 0x44;
  18     while(1);
  19 }
  22 #define LED_GREEN 0xc0220130
  24 void debug_led(int state)
  25 {
  26     if (state)
  27                 *((long*) LED_GREEN) = 0x46;
  28     else
  29                 *((long*) LED_GREEN) = 0x44;
  30 }
  33 /*
  34 led 0 = green status
  35 led 1 = orange status
  36 led 2 = AF assist lamp
  37 */
  38 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  39         static char led_table[4]={0,1,9};
_LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  42 }
  44 void JogDial_CW(void){
_PostLogicalEventToUI(0x86E, 1);  // RotateJogDialRight
  46 }
  48 void JogDial_CCW(void){
_PostLogicalEventToUI(0x86F, 1);  // RotateJogDialLeft
  50 }
  52 int get_flash_params_count(void){
  53         return 0x9a;    // found in GetParameterData
  54 }
  57 void vid_bitmap_refresh()
  58 {
  59          extern int enabled_refresh_physical_screen; // screen lock counter
  60          extern void _ScreenUnlock();
_ScreenLock();
enabled_refresh_physical_screen=1;
_ScreenUnlock();
  65 }
  68 void shutdown_soft()
  69 {
_PostLogicalEventForNotPowerType(0x1005,0);
  71 }
  73 extern  int     active_raw_buffer;
  74 extern  char*   raw_buffers[];
  76 char *hook_raw_image_addr()
  77 {
  78     return raw_buffers[active_raw_buffer*3];
  79 }
  81 char *hook_alt_raw_image_addr()
  82 {
  83     return raw_buffers[(active_raw_buffer^1)*3];
  84 }
  87 // viewport stuff based on g12
  89 // Defined in stubs_min.S
  90 extern char active_viewport_buffer;
  91 extern void* viewport_buffers[];
  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 }
  99 void *vid_get_viewport_live_fb()
 100 {
 101     int b = (active_viewport_buffer-1)&3;
 102     if ((b == 3) && camera_info.state.mode_video)
b = 2;  // Video only seems to use the first 3 viewport buffers.
 105     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
 106     return viewport_buffers[b];
 107 }
 109 void *vid_get_viewport_fb_d()
 110 {
 111     extern char *viewport_fb_d;
 112         return viewport_fb_d;
 113 }
 115 // Defined in stubs_min.S
 116 extern int active_bitmap_buffer;
 117 extern char* bitmap_buffer[];
 119 void *vid_get_bitmap_fb()
 120 {
 121     // Return first bitmap buffer address
 122     return bitmap_buffer[0];
 123 }
 125 // Y multiplier for cameras with 480 pixel high viewports (CHDK code assumes 240)
 126 int vid_get_viewport_yscale() {
 127         return 2;               // S95 viewport is 480 pixels high
 128 }
 130 int vid_get_viewport_width()
 131 {
 132     if (camera_info.state.mode_play)
 133     {
 134         return 360;
 135     }
 136     extern int _GetVRAMHPixelsSize();
 137     return _GetVRAMHPixelsSize() >> 1;
 138 }
 140 // viewport width offset table for each image size
 141 // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 142 static long vp_xo[5] = { 0, 0, 0, 44, 72 };                             // should all be even values for edge overlay
 144 int vid_get_viewport_xoffset()
 145 {
 146     if (camera_info.state.mode_play)
 147     {
 148         return 0;
 149     }
 150     else if (camera_info.state.mode_shooting == MODE_STITCH)
 151     {
 152         return 0;
 153     }
 154     else
 155     {
 156             return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 157     }
 158 }
 160 int vid_get_viewport_display_xoffset()
 161 {
 162     if (camera_info.state.mode_play)
 163     {
 164         return 0;
 165     }
 166     else if (camera_info.state.mode_shooting == MODE_STITCH)
 167     {
 168         if (shooting_get_prop(PROPCASE_STITCH_DIRECTION) == 0)      // Direction check
 169             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 170                 return 40;
 171             else
 172                 return 140;
 173         else
 174             if (shooting_get_prop(PROPCASE_STITCH_SEQUENCE) == 0)   // Shot already taken?
 175                 return 140;
 176             else
 177                 return 40;
 178     }
 179     else
 180     {
 181             return vp_xo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 182     }
 183 }
 185 long vid_get_viewport_height()
 186 {
 187     if (camera_info.state.mode_play)
 188     {
 189         return 240;
 190     }
 191     extern int _GetVRAMVPixelsSize();
 192     return _GetVRAMVPixelsSize() >> 1;
 193 }
 195 static int vp_yoffset(int stitch)
 196 {
 197     // viewport height offset table for each image size
 198     // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
 199     static long vp_yo[5] = { 0, 30, 13, 0, 0 };
 201     if (camera_info.state.mode_play)
 202     {
 203         return 0;
 204     }
 205     else if (camera_info.state.mode_shooting == MODE_STITCH)
 206     {
 207         return stitch;
 208     }
 209     else if (camera_info.state.mode_video)
 210     {
 211         return 30;
 212     }
 213     else
 214     {
 215             return vp_yo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 216     }
 217 }
 219 int vid_get_viewport_yoffset()
 220 {
 221     return vp_yoffset(0);
 222 }
 224 int vid_get_viewport_display_yoffset()
 225 {
 226     return vp_yoffset(72);
 227 }
 229 // Functions for PTP Live View system
 230 int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset() * 2; }
 231 int vid_get_viewport_display_yoffset_proper()   { return vid_get_viewport_display_yoffset() * 2; }
 232 int vid_get_viewport_height_proper()            { return vid_get_viewport_height() * 2; }
 233 int vid_get_viewport_fullscreen_height()        { return 480; }
 234 int vid_get_palette_type()                      { return 3; }
 235 int vid_get_palette_size()                      { return 256 * 4; }
 237 void *vid_get_bitmap_active_buffer()
 238 {
 239     return bitmap_buffer[active_bitmap_buffer];
 240 }
 242 void *vid_get_bitmap_active_palette()
 243 {
 244     extern int active_palette_buffer;
 245     extern char* palette_buffer[];
 246     void* p = palette_buffer[active_palette_buffer];
 247     // Don't add offset if value is 0
 248     if (p) p += 8;
 249     return p;
 250 }
 252 char *camera_jpeg_count_str()
 253 {
 254     extern char jpeg_count_str[];
 255         return jpeg_count_str;
 256 }