// NUCLEO C031C6 - LED Control Example
// LEDs connected to D2, D3, D4, D5, D6, D7, D8

// Assign pin numbers
#define LED_BLUE    PA5
#define LED_RED     PA6
#define LED_GREEN   PA7
#define LED_YELLOW  PA15
#define LED_ORANGE  PA10
#define LED_WHITE   PA10
#define LED_GREY    8

void setup() {
  // Set all LED pins as output
  pinMode(LED_BLUE, OUTPUT);
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  pinMode(LED_YELLOW, OUTPUT);
  pinMode(LED_ORANGE, OUTPUT);
  pinMode(LED_WHITE, OUTPUT);
  pinMode(LED_GREY, OUTPUT);

  // Initially OFF
  digitalWrite(LED_BLUE, LOW);
  digitalWrite(LED_RED, LOW);
  digitalWrite(LED_GREEN, LOW);
  digitalWrite(LED_YELLOW, LOW);
  digitalWrite(LED_ORANGE, LOW);
  digitalWrite(LED_WHITE, LOW);
  digitalWrite(LED_GREY, LOW);
}

void loop() {
  // Turn LEDs ON one-by-one
  digitalWrite(LED_BLUE, HIGH);   delay(300);
  digitalWrite(LED_RED, HIGH);    delay(300);
  digitalWrite(LED_GREEN, HIGH);  delay(300);
  digitalWrite(LED_YELLOW, HIGH); delay(300);
  digitalWrite(LED_ORANGE, HIGH); delay(300);
  digitalWrite(LED_WHITE, HIGH);  delay(300);
  digitalWrite(LED_GREY, HIGH);   delay(300);

  delay(1000);

  // Turn them OFF one-by-one
  digitalWrite(LED_BLUE, LOW);    delay(200);
  digitalWrite(LED_RED, LOW);     delay(200);
  digitalWrite(LED_GREEN, LOW);   delay(200);
  digitalWrite(LED_YELLOW, LOW);  delay(200);
  digitalWrite(LED_ORANGE, LOW);  delay(200);
  digitalWrite(LED_WHITE, LOW);   delay(200);
  digitalWrite(LED_GREY, LOW);    delay(200);

  delay(1000);
}