From 3c909e79e92c9311991ecdcf0c9ec903bcdc9818 Mon Sep 17 00:00:00 2001
From: Dan Buch <dan@meatballhat.com>
Date: Sun, 29 Dec 2013 16:49:37 -0500
Subject: [PATCH] Minor refactor while failing to grok serial readline

---
 arduino/LEDSwitch/LEDSwitch.ino | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/arduino/LEDSwitch/LEDSwitch.ino b/arduino/LEDSwitch/LEDSwitch.ino
index 48dce5f..e9a4b4b 100644
--- a/arduino/LEDSwitch/LEDSwitch.ino
+++ b/arduino/LEDSwitch/LEDSwitch.ino
@@ -21,19 +21,10 @@ void ledBlink() {
   }
 }
 
-void setup() {
-  pinMode(LED_PIN, OUTPUT);
-  Serial.begin(BAUD_RATE);
-}
+void handleInput() {
+  int c = Serial.read();
 
-void loop() {
-  if (Serial.available() <= 0) {
-    return;
-  }
-
-  int command = Serial.read();
-
-  switch (command) {
+  switch (c) {
   case '1':
     ledOn();
     break;
@@ -45,6 +36,19 @@ void loop() {
     break;
   default:
     Serial.print("Unknown command: ");
-    Serial.println(command);
+    Serial.println(c);
+  }
+}
+
+void setup() {
+  pinMode(LED_PIN, OUTPUT);
+  Serial.begin(BAUD_RATE);
+}
+
+void loop() {
+  if (Serial.available() <= 0) {
+    return;
   }
+
+  handleInput();
 }