joshbirk · December 28, 2016 03:22 · Dec 28, 2016
diff --git a/agent.nut b/agent.nut
@@ -0,0 +1,6 @@
+function motion(direction) {
+    server.log(direction);
+}
+
+
+device.on("direction.sent", motion);
diff --git a/device.net b/device.net
@@ -0,0 +1,73 @@
+// Accelerometer Library
+#require "LIS3DH.class.nut:1.3.0"
+#require "WS2812.class.nut:2.0.2"
+
+// Define constants
+const sleepTime = 10;
+const LIS3DH_ADDR = 0x32;
+
+// Accel settings
+const ACCEL_DATARATE = 100;
+
+// High Sensitivity set, so we alway wake on a door event
+const ACCEL_THRESHOLD = 0.1;
+const ACCEL_DURATION = 1;
+
+// Declare Global Variables
+accel <- null;
+led <- null
+
+// Define functions
+function takeReading(){
+    accel.getAccel(function(reading) {
+        if( reading.y < -0.50) {
+            agent.send("direction.sent", "RIGHT"); 
+            flashLed([0,0,128]);  
+        }
+
+        if( reading.x < -0.50) {
+            agent.send("direction.sent", "BACK"); 
+            flashLed([0,128,0]);  
+        }
+
+        if( reading.y > 0.50) {
+            agent.send("direction.sent", "LEFT"); 
+            flashLed([128,0,0]);  
+        }
+
+        if( reading.x > 0.50) {
+            agent.send("direction.sent", "FORWARD"); 
+            flashLed([0,128,128]);  
+        }
+
+        takeReading();
+    });
+}
+
+function flashLed(color) {
+    led.set(0, color).draw();
+    imp.sleep(0.5);
+    led.set(0, [0,0,0]).draw();
+}
+
+// Start of program
+
+// Configure I2C bus for sensors
+local i2c = hardware.i2c89;
+i2c.configure(CLOCK_SPEED_400_KHZ);
+
+accel = LIS3DH(i2c, LIS3DH_ADDR);
+accel.init();
+// set up to take readings
+accel.setLowPower(true);
+accel.setDataRate(ACCEL_DATARATE);
+accel.enable(true);
+
+// Configure SPI bus and powergate pin for RGB LED
+local spi = hardware.spi257;
+spi.configure(MSB_FIRST, 7500);
+hardware.pin1.configure(DIGITAL_OUT, 1);
+led <- WS2812(spi, 1);
+
+// Take a reading
+takeReading();