Adds basic arduino script

pomodoro/pomodoro.ino

@@ -0,0 +1,72 @@
+/*
+ * Pomodoro, with Arduino
+ */
+
+// array of pins that control pomodoro progression
+int pomodoroPins[] = {3,4,5,6,7};
+
+// pin that controls single 'break' pin
+int breakPin = 10;
+
+// delay between each interval LED of pomodoro (in microseconds)
+// note: 5 pins * 5 mins = 25 minute total pomodoro
+int pomodoroPinDelayTime = 5000;
+
+// delay between blink
+int pomodoroPinBlinkTime = 500;
+
+// sets up pins that are defined above
+void setup()
+{
+  int index;
+  for(index = 0; index <= 5; index++)
+  {
+    pinMode(pomodoroPins[index], OUTPUT);
+  }
+  pinMode(breakPin, OUTPUT);
+}
+
+// loops through pomodoro progression and updates LEDs
+void loop()
+{
+  // walk through pomodoro interval indicators
+  int index;
+  for(index = 0; index < 5; index++)
+  {
+    blinkLight(pomodoroPins[index], pomodoroPinBlinkTime, pomodoroPinDelayTime);
+    digitalWrite(pomodoroPins[index], HIGH);
+  }
+
+  // todo make a noise
+  // todo wait for acknowledgement
+
+  // break time
+  blinkLight(breakPin, pomodoroPinBlinkTime, pomodoroPinDelayTime);
+  digitalWrite(breakPin, HIGH);
+
+  // todo make a noise
+  // todo wait for acknowledgement
+
+  // clear everything
+  digitalWrite(breakPin, LOW);
+  for(index = 0; index < 5; index++)
+  {
+    digitalWrite(pomodoroPins[index], LOW);
+  }
+}
+
+// convenience function to handle a blink of a passed in LED
+void blinkLight(int pin, int blinkLength, int totalBlinkLength) {
+  int blinkTimer;
+  for (
+    blinkTimer = 0;
+    blinkTimer < totalBlinkLength;
+    blinkTimer += (blinkLength * 2)
+  )
+  {
+    digitalWrite(pin, HIGH);
+    delay(blinkLength);
+    digitalWrite(pin, LOW);
+    delay(blinkLength);
+  }
+}