/*--- Includes ---*/
#include <Arduino.h>
 
/*--- Hardware mapping ---*/
const uint8_t N_PORTS = 6;
const uint8_t PINS_INPUT[] = { 34, 35, 32, 33, 25, 26 };
 
/*--- Variables ---*/
uint32_t input_value = 0;
 
/*--- Setup ---*/
void setup()
{
    // Hardware mapping
    for (uint8_t i = 0; i < N_PORTS; i++)
    {
        pinMode(PINS_INPUT[i], INPUT);
    }
 
    // Serial communication
    Serial.begin(115200);
}
 
/*--- Loop ---*/
void loop()
{
    input_value = 0;
    for (uint8_t i = 0; i < N_PORTS; i++)
    {
        input_value += digitalRead(PINS_INPUT[i]) * (1 << i);
    }
 
    Serial.println(input_value);
 
    delay(500);
}