terning2_fix.ino

#define D2 0
#define D3 1
#define D4 2
#define D5 3
#define D6 4
#define D7 5
#define D8 6
#define SW1 7

void setup()
{
	pinMode(D2, OUTPUT);
	pinMode(D3, OUTPUT);
	pinMode(D4, OUTPUT);
	pinMode(D5, OUTPUT);
	pinMode(D6, OUTPUT);
	pinMode(D7, OUTPUT);
	pinMode(D8, OUTPUT);
	pinMode(SW1, INPUT);
}


byte counter = 1;
void loop()
{
	if (digitalRead(SW1) == LOW) {
		show(0);
		counter = counter % 6 + 1;
	}
	else {
		show(counter);
	}
}


void show(byte n) {
	switch (n) {
	case 0:
		digitalWrite(D2, LOW);
		digitalWrite(D3, LOW);
		digitalWrite(D4, LOW);
		digitalWrite(D5, LOW);
		digitalWrite(D6, LOW);
		digitalWrite(D7, LOW);
		digitalWrite(D8, LOW);
		break;
	case 1:
		digitalWrite(D5, HIGH);
		break;
	case 2:
		digitalWrite(D2, HIGH);
		digitalWrite(D8, HIGH);
		break;
	case 3:
		digitalWrite(D5, HIGH);
		digitalWrite(D2, HIGH);
		digitalWrite(D8, HIGH);
		break;
	case 4:
		digitalWrite(D2, HIGH);
		digitalWrite(D8, HIGH);
		digitalWrite(D3, HIGH);
		digitalWrite(D7, HIGH);
		break;
	case 5:
		digitalWrite(D2, HIGH);
		digitalWrite(D8, HIGH);
		digitalWrite(D3, HIGH);
		digitalWrite(D7, HIGH);
		digitalWrite(D5, HIGH);
		break;
	case 6:
		digitalWrite(D2, HIGH);
		digitalWrite(D8, HIGH);
		digitalWrite(D3, HIGH);
		digitalWrite(D7, HIGH);
		digitalWrite(D4, HIGH);
		digitalWrite(D6, HIGH);
		break;
	}
}