source: trunk/platform/ixus120_sd940/main.c @ 1056

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


extern long link_bss_start;
extern long link_bss_end;
extern void boot();


void startup()
{
        long *bss = &link_bss_start;
        long *ptr;

        // sanity check
        if ((long)&link_bss_end > (MEMISOSTART + MEMISOSIZE)){
                started();
                shutdown();
        }

        // initialize .bss senment
        while (bss<&link_bss_end)
                *bss++ = 0;

        boot();
}



static const int fl_tbl[] = {4000, 5000, 6000, 7000, 8000, 9000, 11000, 13000,15000,18000,22000};
#define NUM_FL (sizeof(fl_tbl)/sizeof(fl_tbl[0]))
// SD980 focal length range is 4 - 22 mm
// So, CF_EFL = 22/4*10000=55000
#define CF_EFL 55000

const int zoom_points = NUM_FL;

int get_effective_focal_length(int zp) {
    return (CF_EFL*get_focal_length(zp))/10000;
}

int get_focal_length(int zp) {
    if (zp<0) return fl_tbl[0];
    else if (zp>NUM_FL-1) return fl_tbl[NUM_FL-1];
    else return fl_tbl[zp];
}

int get_zoom_x(int zp) {
    if (zp<1) return 10;
    else if (zp>NUM_FL-1) return fl_tbl[NUM_FL-1]*10/fl_tbl[0];
    else return fl_tbl[zp]*10/fl_tbl[0];
}

long get_vbatt_min()
{
        return 4550;
}

long get_vbatt_max()
{
        return 5150;
}