Final dice game with the guessing and whatnot

arduino/msaqsg/ch03/DiceGame/DiceGame.ino

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+// vim:filetype=arduino
+#include <Bounce.h>
+
+const unsigned int LED_BIT0 = 10;
+const unsigned int LED_BIT1 = 11;
+const unsigned int LED_BIT2 = 12;
+const unsigned int START_BUTTON_PIN = 5;
+const unsigned int GUESS_BUTTON_PIN = 7;
+const unsigned int BAUD_RATE = 9600;
+
+const unsigned int DEBOUNCE_DELAY = 20;
+Bounce startButton = Bounce();
+Bounce guessButton = Bounce();
+int guess = 0;
+
+void outputResult(const long result) {
+    digitalWrite(LED_BIT0, result & B001);
+    digitalWrite(LED_BIT1, result & B010);
+    digitalWrite(LED_BIT2, result & B100);
+}
+
+void hooray() {
+    for (unsigned int i = 0; i < 3; i++) {
+        outputResult(7);
+        delay(500);
+        outputResult(0);
+        delay(500);
+    }
+}
+
+void handleGuessButton() {
+    if (!guessButton.update()) {
+        return;
+    }
+
+    if (guessButton.read() == HIGH) {
+        guess = (guess % 6) + 1;
+        outputResult(guess);
+        Serial.print("Guess: ");
+        Serial.println(guess);
+    }
+}
+
+void handleStartButton() {
+    if (!startButton.update()) {
+        return;
+    }
+
+    if (startButton.read() == HIGH) {
+        const int result = random(1, 7);
+        outputResult(result);
+        Serial.print("Result: ");
+        Serial.println(result);
+
+        if (guess > 0) {
+            if (result == guess) {
+                Serial.println("You win!");
+                hooray();
+            } else {
+                Serial.println("You lose!");
+            }
+        }
+
+        delay(2000);
+        guess = 0;
+    }
+}
+
+void setup() {
+    pinMode(LED_BIT0, OUTPUT);
+    pinMode(LED_BIT1, OUTPUT);
+    pinMode(LED_BIT2, OUTPUT);
+    pinMode(START_BUTTON_PIN, INPUT);
+    pinMode(GUESS_BUTTON_PIN, INPUT);
+    randomSeed(analogRead(A0));
+    Serial.begin(BAUD_RATE);
+
+    startButton.attach(START_BUTTON_PIN);
+    startButton.interval(DEBOUNCE_DELAY);
+
+    guessButton.attach(GUESS_BUTTON_PIN);
+    guessButton.interval(DEBOUNCE_DELAY);
+}
+
+void loop() {
+    handleGuessButton();
+    handleStartButton();
+}

arduino/msaqsg/ch03/DiceGame/Makefile

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+../../../arduino.mk