Created
December 28, 2016 03:22
-
-
Save joshbirk/392335fa4e2deddd54f853004abfb6ca to your computer and use it in GitHub Desktop.
Quick Electric Imp impExplorer Tilt Meter
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function motion(direction) { | |
server.log(direction); | |
} | |
device.on("direction.sent", motion); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// 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(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment