source: trunk/platform/ixus220_elph300hs/shooting.c @ 1442

#include "lolevel.h"
#include "platform.h"
#include "core.h"
#include "conf.h"
#include "keyboard.h"
#include "stdlib.h"
#include "platform.h"

#define PARAM_FILE_COUNTER      0x3B
#define PARAM_EXPOSURE_COUNTER  0x02

// borrowed from IXUS 200, which is similar
// but not exactly the same lens
const ApertureSize aperture_sizes_table[] = {
        {  9, 293, "2.8" },
        { 10, 306, "3.2" },
        { 11, 321, "3.2" },
        { 12, 338, "3.5" },
        { 13, 358, "3.5" },
        { 14, 383, "4.0" },
        { 15, 413, "4.5" },
        { 16, 435, "5.0" },
        { 17, 449, "5.0" },
        { 18, 472, "5.6" },
        { 19, 466, "5.6" },
        { 20, 499, "5.9" },
};

const ShutterSpeed shutter_speeds_table[] = {
        { -12, -384, "15", 15000000 },
        { -11, -352, "13", 13000000 },
        { -10, -320, "10", 10000000 },
        {  -9, -288, "8",   8000000 },
        {  -8, -256, "6",   6000000 },
        {  -7, -224, "5",   5000000 },
        {  -6, -192, "4",   4000000 },
        {  -5, -160, "3.2", 3200000 },
        {  -4, -128, "2.5", 2500000 },
        {  -3,  -96, "2",   2000000 },
        {  -2,  -64, "1.6", 1600000 },
        {  -1,  -32, "1.3", 1300000 },
        {   0,    0, "1",   1000000 },
        {   1,   32, "0.8",  800000 },
        {   2,   64, "0.6",  600000 },
        {   3,   96, "0.5",  500000 },
        {   4,  128, "0.4",  400000 },
        {   5,  160, "0.3",  300000 },
        {   6,  192, "1/4",  250000 },
        {   7,  224, "1/5",  200000 },
        {   8,  256, "1/6",  166667 },
        {   9,  288, "1/8",  125000 },
        {  10,  320, "1/10", 100000 },
        {  11,  352, "1/13",  76923 },
        {  12,  384, "1/15",  66667 },
        {  13,  416, "1/20",  50000 },
        {  14,  448, "1/25",  40000 },
        {  15,  480, "1/30",  33333 },
        {  16,  512, "1/40",  25000 },
        {  17,  544, "1/50",  20000 },
        {  18,  576, "1/60",  16667 },
        {  19,  608, "1/80",  12500 },
        {  20,  640, "1/100", 10000 },
        {  21,  672, "1/125",  8000 },
        {  22,  704, "1/160",  6250 },
        {  23,  736, "1/200",  5000 },
        {  24,  768, "1/250",  4000 },
        {  25,  800, "1/320",  3125 },
        {  26,  832, "1/400",  2500 },
        {  27,  864, "1/500",  2000 },
        {  28,  896, "1/640",  1563 },
        {  29,  928, "1/800",  1250 },
        {  30,  960, "1/1000", 1000 },
        {  31,  992, "1/1250",  800 },
        {  32, 1024, "1/1600",  625 },
        {  33, 1056, "1/2000",  500 },
        {  34, 1088, "1/2500",  400 },
        {  35, 1120, "1/3200",  313 },
};

const ISOTable iso_table[] = {
        {  0,    0, "Auto", -1},
        {  1,  100,  "100", -1},
        {  2,  200,  "200", -1},
        {  3,  400,  "400", -1},
        {  4,  800,  "800", -1},
        {  5, 1600, "1600", -1},
        {  6, 3200, "3200", -1},
};

// modemap, values have been verified for IXUS220HS on 1.00c/1.01a/1.01c
// http://chdk.setepontos.com/index.php?topic=6341.msg76892#msg76892
static const CapturemodeMap modemap[] = {
    { MODE_AUTO,                32768 },
    { MODE_P,                   32772 },

    { MODE_PORTRAIT,            32783 },
    { MODE_KIDS_PETS,           32786 },
    { MODE_SCN_SMART_SHUTTER,   33321 },
    { MODE_SCN_HIGHSPEED_BURST, 33288 },
    { MODE_SCN_BEST_IMAGE,      33289 },
    { MODE_NIGHT_SCENE,         33325 },
    { MODE_LOWLIGHT,            32801 },
    { MODE_SCN_FISHEYE,         33323 },
    { MODE_SCN_MINIATURE,       33324 },
    { MODE_SCN_TOY_CAMERA,      33327 },
    { MODE_SCN_MONOCHROME,      33330 },
    { MODE_SCN_SUPER_VIVID,     33318 },
    { MODE_SCN_POSTER_EFFECT,   33319 },
    { MODE_COLOR_ACCENT,        33309 },
    { MODE_COLOR_SWAP,          33310 },
    { MODE_SCN_BEACH,           32791 },
    { MODE_SCN_UNDERWATER,      32793 },
    { MODE_SCN_FOLIAGE,         32789 },
    { MODE_SCN_SNOW,            32790 },
    { MODE_SCN_SNOW,            32774 },        
    { MODE_SCN_STITCH,          33292 },
        
    { MODE_VIDEO_MOVIE_DIGEST,  33333 },
    { MODE_VIDEO_SUPER_SLOW,     2626 },
        
    // cannot be called directly from Canon options but probably needed
    { MODE_SCN_FACE_SELF_TIMER, 33320 },
    { MODE_SCN_WINK_SELF_TIMER, 33322 },
    { MODE_SCN_FIREWORK,        32792 },

};

#include "../generic/shooting.c"

// Override ISO settings (need to do this before exposure calc for ISO as well as after)
void __attribute__((naked,noinline)) shooting_expo_iso_override(void){
 asm volatile("STMFD   SP!, {R0-R12,LR}\n");

    if ((state_kbd_script_run) && (photo_param_put_off.sv96))
    {
        shooting_set_sv96(photo_param_put_off.sv96, SET_NOW);
        // photo_param_put_off.sv96 is not reset here, it will be reset in next call to shooting_expo_param_override
    }
    else if ((conf.iso_override_value) && (conf.iso_override_koef) && !(conf.override_disable==1))
        shooting_set_iso_real(shooting_get_iso_override_value(), SET_NOW);
    else if (conf.autoiso_enable && shooting_get_flash_mode()/*NOT FOR FLASH AUTO MODE*/ && !(conf.override_disable==1 && conf.override_disable_all))
        shooting_set_autoiso(shooting_get_iso_mode());

 asm volatile("LDMFD   SP!, {R0-R12,PC}\n");
}

long get_file_next_counter() {
        return get_file_counter();
}

long get_target_file_num() {
        long n;


        n = get_file_next_counter();

    n = (n>>4)&0x3FFF;

    return n;
}

void get_target_dir_name(char *out)
{       
        extern void _GetImageFolder(char*,int,int,int);
        _GetImageFolder(out,get_file_next_counter(),0x400,time(NULL));
}

long get_target_dir_num() {
        long n;

        n = get_file_next_counter();
        n = (n>>18)&0x3FF;
        return n;
}

int circle_of_confusion = 5;