#include "lab.h"
void app_main(void) {
    oled_init();
    unsigned n=0;
    for(;; ) {
        oled_clear();
        oled_number(30,10,n%10000,4);
        oled_rect(4,48,n%120,6);
        oled_show();
        n++;
        vTaskDelay(pdMS_TO_TICKS(200));
    }
}