Adding debounce button thingy and dice + button version

arduino/DebounceButton/DebounceButton.ino

@@ -0,0 +1,28 @@
+const unsigned int BUTTON_PIN = 7;
+const unsigned int LED_PIN = 13;
+
+int oldButtonState = LOW;
+int ledState = LOW;
+
+void setup() {
+    pinMode(LED_PIN, OUTPUT);
+    pinMode(BUTTON_PIN, INPUT);
+}
+
+void loop() {
+    const int CURRENT_BUTTON_STATE = digitalRead(BUTTON_PIN);
+
+    if (CURRENT_BUTTON_STATE != oldButtonState &&
+        CURRENT_BUTTON_STATE == HIGH) {
+        if (ledState == LOW) {
+            ledState = HIGH;
+        } else {
+            ledState = LOW;
+        }
+
+        digitalWrite(LED_PIN, ledState);
+        delay(50);
+    }
+
+    oldButtonState = CURRENT_BUTTON_STATE;
+}

arduino/DebounceButton/Makefile

@@ -0,0 +1 @@
+../arduino.mk

arduino/DiceWithButton/DiceWithButton.ino

@@ -0,0 +1,32 @@
+const unsigned int LED_BIT0 = 10;
+const unsigned int LED_BIT1 = 11;
+const unsigned int LED_BIT2 = 12;
+const unsigned int BUTTON_PIN = 7;
+
+int currentValue = 0;
+int oldValue = 0;
+
+void outputResult(const long result) {
+    digitalWrite(LED_BIT0, result & B001);
+    digitalWrite(LED_BIT1, result & B010);
+    digitalWrite(LED_BIT2, result & B100);
+}
+
+void setup() {
+    pinMode(LED_BIT0, OUTPUT);
+    pinMode(LED_BIT1, OUTPUT);
+    pinMode(LED_BIT2, OUTPUT);
+    pinMode(BUTTON_PIN, INPUT);
+    randomSeed(analogRead(A0));
+}
+
+void loop() {
+    currentValue = digitalRead(BUTTON_PIN);
+
+    if (currentValue != oldValue && currentValue == HIGH) {
+        outputResult(random(1, 7));
+        delay(50);
+    }
+
+    oldValue = currentValue;
+}

arduino/DiceWithButton/Makefile

@@ -0,0 +1 @@
+../arduino.mk