#include "all.h"

void setup() {
  // put your setup code here, to run once:
  init_port();
}

void loop() {
  // put your main code here, to run repeatedly:
  volatile char* out = 0x31;
  *out = 0x02;  
 /**if display is common cathode then comm is connected to gnd and just put 1 in any combination set bit 
 led will glow...change in the diagram.json from cathode to anode and change the connection -> connect comm to 5V then 
 play with combinations the led bit with 0 will glow 
 **/
}