banana.ino

// P6_0 a P6_3 sono le porte del 7segmenti
// PUSH2 è il pulsante
#include <math.h>

void setup()
{
  pinMode(P6_0, OUTPUT);
  pinMode(P6_1, OUTPUT);
  pinMode(P6_2, OUTPUT);
  pinMode(P6_3, OUTPUT);
  pinMode(PUSH2, INPUT_PULLUP);
}

//Dobbiamo dividere in binario un numero!
void accendiLedGiusti(int n)
{
  int ledStatus[4];
  switch(n)
  {
    case 0: 
      ledStatus[0] = LOW;
      ledStatus[1] = LOW;
      ledStatus[2] = LOW;
      ledStatus[3] = LOW;
      break;
    case 1: 
      ledStatus[0] = LOW;
      ledStatus[1] = LOW;
      ledStatus[2] = LOW;
      ledStatus[3] = HIGH;
      break;
    case 2: 
      ledStatus[0] = LOW;
      ledStatus[1] = LOW;
      ledStatus[2] = HIGH;
      ledStatus[3] = LOW;
      break;
    case 3: 
      ledStatus[0] = LOW;
      ledStatus[1] = LOW;
      ledStatus[2] = HIGH;
      ledStatus[3] = HIGH;
      break;
    case 4: 
      ledStatus[0] = LOW;
      ledStatus[1] = HIGH;
      ledStatus[2] = LOW;
      ledStatus[3] = LOW;
      break;
    case 5: 
      ledStatus[0] = LOW;
      ledStatus[1] = HIGH;
      ledStatus[2] = LOW;
      ledStatus[3] = HIGH;
      break;
    case 6: 
      ledStatus[0] = LOW;
      ledStatus[1] = HIGH;
      ledStatus[2] = HIGH;
      ledStatus[3] = LOW;
      break;
    case 7: 
      ledStatus[0] = LOW;
      ledStatus[1] = HIGH;
      ledStatus[2] = HIGH;
      ledStatus[3] = HIGH;
      break;
    case 8: 
      ledStatus[0] = HIGH;
      ledStatus[1] = LOW;
      ledStatus[2] = LOW;
      ledStatus[3] = LOW;
      break;
    case 9: 
      ledStatus[0] = HIGH;
      ledStatus[1] = LOW;
      ledStatus[2] = LOW;
      ledStatus[3] = HIGH;
      break;
  }
  digitalWrite(P6_3, ledStatus[0]);
  digitalWrite(P6_2, ledStatus[1]);
  digitalWrite(P6_1, ledStatus[2]);
  digitalWrite(P6_0, ledStatus[3]);
}

int n = 0;

void loop()
{
  if(digitalRead(PUSH2) == LOW)
  {
    n++;
  }
  if(n > 9)
  {
    n = 0;
  }
  accendiLedGiusti(n);
  delay(200);
}