source: trunk/platform/g12/lib.c @ 1316

#include "platform.h"
#include "lolevel.h"

void vid_bitmap_refresh()
{
        extern int full_screen_refresh;
        extern void _ScreenUnlock();
        extern void _ScreenLock();

        full_screen_refresh |= 3;
        _ScreenLock();
        _ScreenUnlock();
}


void shutdown()
{
        volatile long *p = (void*)0xC022001C;    
        
        asm(
                "MRS     R1, CPSR\n"
                "AND     R0, R1, #0x80\n"
                "ORR     R1, R1, #0x80\n"
                "MSR     CPSR_cf, R1\n"
                :::"r1","r0");
        
        *p = 0x44;  // power off.
        
        while(1);
}

#define LED_PR 0xC0220138       // Lower Indicator

void debug_led(int state)
{
 *(int*)LED_PR=state ? 0x46 : 0x44;
}

// G12 has 7 led values
// 0/0 - Upper indicator Green
// 1/1 - Upper indicator Orange
// 2/2 - Lower indicator Yellow
// 3/3 - Power LED Green
// 4/9 - AF Assist Lamp
// 5/14 - ISO LED
// 6/15 - EV LED
void camera_set_led(int led, int state, int bright) {
 static char led_table[7]={0,1,2,3,9,14,15};
 _LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
}

int get_flash_params_count(void){
 return 0x9a;   // found in GetParameterData
}

void JogDial_CW(void){
 _PostLogicalEventForNotPowerType(0x86E, 1);  // RotateJogDialRight (table @ FFC0BE90)
}

void JogDial_CCW(void){
 _PostLogicalEventForNotPowerType(0x86F, 1);  // RotateJogDialLeft (table @ FFC0BE90)
}

// Viewport and Bitmap values that shouldn't change across firmware versions.
// Values that may change are in lib.c for each firmware version.

long vid_get_bitmap_screen_width() { return 360; }
long vid_get_bitmap_screen_height() { return 240; }
long vid_get_bitmap_buffer_width() { return 960; }
long vid_get_bitmap_buffer_height() { return 270; }

int vid_get_viewport_buffer_width() { return 720; }     // G12 - viewport is actually 480 high, CHDK not set up for this so we skip every 2nd row

int vid_get_viewport_width()
{
        // viewport width table for each image size
        // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
        static long vp_w[5] = { 360, 360, 360, 272, 216 };
        return vp_w[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
}

int vid_get_viewport_xoffset()
{
        // viewport width offset table for each image size
        // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
        static long vp_w[5] = { 0, 0, 0, 44, 72 };                              // should all be even values for edge overlay
        return vp_w[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
}

long vid_get_viewport_height()
{
        // viewport height table for each image size
        // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
        static long vp_h[5] = { 240, 180, 214, 240, 240 };
        return vp_h[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
}

int vid_get_viewport_yoffset()
{
        // viewport height offset table for each image size
        // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1, 4 = 4:5
        static long vp_h[5] = { 0, 30, 13, 0, 0 };
        return vp_h[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
}

// viewport image offset - used when image size != viewport size (zebra, histogram, motion detect & edge overlay)
// returns the byte offset into the viewport buffer where the image pixels start (to skip any black borders)
int vid_get_viewport_image_offset() {
        return (vid_get_viewport_yoffset() * vid_get_viewport_buffer_width() + vid_get_viewport_xoffset()) * 3;
}

// viewport image offset - used when image size != viewport size (zebra, histogram, motion detect & edge overlay)
// returns the byte offset to skip at the end of a viewport buffer row to get to the next row.
int vid_get_viewport_row_offset() {
        return (vid_get_viewport_buffer_width() - vid_get_viewport_width()) * 3;
}

// Functions for PTP Live View system

int vid_get_viewport_xoffset_proper()           { return vid_get_viewport_xoffset() * 2; }
int vid_get_viewport_yoffset_proper()           { return vid_get_viewport_yoffset() * 2; }
int vid_get_viewport_width_proper()             { return vid_get_viewport_width() * 2; }
int vid_get_viewport_height_proper()            { return vid_get_viewport_height() * 2; }
int vid_get_viewport_max_height()               { return 480; }
int vid_get_palette_type()                      { return 3; }
int vid_get_palette_size()                      { return 256 * 4; }

void *vid_get_bitmap_active_buffer()
{
    extern int active_bitmap_buffer;
    extern char* bitmap_buffer[];
    return bitmap_buffer[active_bitmap_buffer];
}

void *vid_get_bitmap_active_palette()
{
    extern int active_palette_buffer;
    extern char* palette_buffer[];
    return (palette_buffer[active_palette_buffer]+8);
}