From 8e57c683d3d16f1dee320f10c411602ea38ba651 Mon Sep 17 00:00:00 2001
From: Stanley Huang <stanleyhuangyc@gmail.com>
Date: Mon, 25 Mar 2013 00:57:28 +0800
Subject: initial commit

---
 samples/rpm_led/rpm_led.ino | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 samples/rpm_led/rpm_led.ino

(limited to 'samples/rpm_led')

diff --git a/samples/rpm_led/rpm_led.ino b/samples/rpm_led/rpm_led.ino
new file mode 100644
index 0000000..415f119
--- /dev/null
+++ b/samples/rpm_led/rpm_led.ino
@@ -0,0 +1,31 @@
+/*************************************************************************
+* Sample sketch based on OBD-II library for Arduino
+* Distributed under GPL v2.0
+* Copyright (c) 2012-2013 Stanley Huang <stanleyhuangyc@gmail.com>
+* All rights reserved.
+*************************************************************************/
+
+#include <Arduino.h>
+#include <OBD.h>
+
+COBD obd;
+
+void setup()
+{
+  // we'll use the debug LED as output
+  pinMode(13, OUTPUT);  
+  // start serial communication at the adapter defined baudrate
+  OBDUART.begin(OBD_SERIAL_BAUDRATE);
+  // initiate OBD-II connection until success
+  while (!obd.Init());  
+}
+
+void loop()
+{
+  int value;
+  if (obd.ReadSensor(PID_RPM, value)) {
+    // RPM is read and stored in 'value'
+    // light on LED when RPM exceeds 5000
+    digitalWrite(13, value > 5000 ? HIGH : LOW);
+  }
+}
-- 
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