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/*
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Blink_Chicken
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Runs LEDs in different patterns
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*/
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int nLeds = 6;
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int ledPins[] = {5, 6, 9, 10, 11, 16};
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int buttonPin = 17;
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int nPatterns = 3;
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int lightPattern = 1;
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int oldButtonVal = 0;
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// the setup routine runs once when you press reset:
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void setup() {
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// initialize the digital pin as an output.
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for (int i = 0; i < nLeds; i++) pinMode(ledPins[i], OUTPUT);
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pinMode(buttonPin, INPUT);
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digitalWrite(buttonPin, HIGH); //Keep the button pin high, so it will drop to 0
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//if pressed.
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// initialize serial communication at 9600 bits per second:
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//Serial.begin(9600);
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}
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// Pattern 1 - light up pins in turn, one set at a time
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void pattern1() {
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for (int i = 0; i < nLeds; i++) {
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digitalWrite(ledPins[i], HIGH);
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delay(50);
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digitalWrite(ledPins[i], LOW);
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}
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}
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// Pattern 2 - random on/off
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void pattern2() {
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int randomLed = floor(random(0, nLeds));
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int randVal = floor(random(0, 2));
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if (randVal == 0)
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digitalWrite(ledPins[randomLed], LOW);
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else
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digitalWrite(ledPins[randomLed], HIGH);
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delay(10);
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}
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// Pattern 3 - all on, then all off
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void pattern3() {
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for (int i = 0; i < nLeds; i++) { // Turn 'em all on
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digitalWrite(ledPins[i], HIGH);
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delay(50);
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}
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delay(200);
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for (int i = 0; i < nLeds; i++) { // Now turn 'em all off
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digitalWrite(ledPins[i], LOW);
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delay(50);
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}
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}
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// the loop routine runs over and over again forever:
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void loop() {
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int buttonVal = digitalRead(buttonPin);
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if (buttonVal == LOW && oldButtonVal == HIGH) {// Button has just been pressed
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lightPattern = lightPattern + 1;
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}
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if (lightPattern > nPatterns) lightPattern = 1;
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oldButtonVal = buttonVal;
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// Serial.print("Light pattern = ");
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// Serial.println(lightPattern);
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switch(lightPattern) {
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case 1:
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pattern1();
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break;
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case 2:
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pattern2();
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break;
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case 3:
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pattern3();
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break;
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default:
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pattern3();
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break;
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}
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}
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