From 07e1e3a3a3a4842d23256380da8344b815f0776f Mon Sep 17 00:00:00 2001
From: Dean Smith <dean@zelotus.com>
Date: Wed, 22 Jan 2020 20:40:01 +0000
Subject: [PATCH] Testing bike switch

---
 IntTest/IntTest.ino | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 IntTest/IntTest.ino

diff --git a/IntTest/IntTest.ino b/IntTest/IntTest.ino
new file mode 100644
index 0000000..db5472f
--- /dev/null
+++ b/IntTest/IntTest.ino
@@ -0,0 +1,35 @@
+const int buttonPin = 2;     // the number of the pushbutton pin
+const int ledPin =  3;      // the number of the LED pin
+char msg[256];
+
+// variables will change:
+volatile int buttonState = 0;         // variable for reading the pushbutton status
+
+void setup() {
+
+  Serial.begin(9600);
+    while (!Serial);  
+  
+  // initialize the LED pin as an output:
+  pinMode(ledPin, OUTPUT);
+  // initialize the pushbutton pin as an input:
+  pinMode(buttonPin, INPUT);
+  // Attach an interrupt to the ISR vector
+  attachInterrupt(digitalPinToInterrupt(2), pin_ISR, CHANGE);
+  Serial.println("Setup");
+}
+
+void loop() {
+  // Nothing here!
+}
+
+void pin_ISR() {
+  sprintf(msg,"INT @ %lu", millis());
+  Serial.println(msg);
+  buttonState = digitalRead(buttonPin);
+  if (buttonState) {
+    Serial.println("Closed");
+  } else {
+    Serial.println("Open");
+  }
+}