#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <3ds.h>
#include "lvgl.h"
#include "lv_ctr_disp.h"


long unsigned int sys_tick(void)
{
    long unsigned int tick = (long unsigned int)osGetTime();
    return tick;
}

void sys_init(void)
{
    gfxInitDefault();
    consoleInit(GFX_TOP, NULL);
}

void sys_free(void)
{
    gfxExit();
}

int main(int argc, char* argv[])
{
    sys_init();
    lv_init();
    lv_ctr_disp_init();
    lv_tick_set_cb(sys_tick);

    lv_obj_t * label = lv_label_create(lv_screen_active());
    lv_label_set_text(label, "Hello world");
    lv_obj_center(label);
    lv_obj_invalidate(lv_screen_active());

    // Main loop
    while (aptMainLoop())
    {
        lv_timer_handler();

        hidScanInput();

        u32 kDown = hidKeysDown();
        if (kDown & KEY_START)
            break; // break in order to return to hbmenu
    }

    sys_free();
    return 0;
}