pimote/lib/pimote.js

Control Energenie Switches from a Raspberry Pi

// Generated by CoffeeScript 2.6.1
(function() {
  var BITS, ENABLE, OnOff, Pimote, rpio,
    indexOf = [].indexOf;

  rpio = require('rpio');

  BITS = [11, 15, 16, 13, 18, 22];

  ENABLE = BITS[5];

  OnOff = Object.freeze({
    on: [0b1101, 0b1111, 0b0111, 0b1011, 0b0011],
    off: [0b1100, 0b1110, 0b0110, 0b1010, 0b0010]
  });

  Pimote = class Pimote {
    constructor() {
      throw new Error("This is a static class");
    }

    static init() {
      var bit, i, len;
      rpio.init({
        gpiomem: true,
        mapping: 'physical'
      });
      for (i = 0, len = BITS.length; i < len; i++) {
        bit = BITS[i];
        rpio.open(bit, rpio.OUTPUT, rpio.LOW);
      }
    }

    static switchOn(socket = 0) {
      this.init();
      this.enable(OnOff.on[socket]);
      return this.close();
    }

    static switchOff(socket = 0) {
      this.init();
      this.enable(OnOff.off[socket]);
      return this.close();
    }

    static pair(socket) {
      if (indexOf.call([1, 2, 3, 4], socket) < 0) {
        throw "Socket 1 to 4 only";
      }
      this.init();
      this.enable(OnOff.on[socket], 5000);
      return this.close();
    }

    static enable(bitmap, timer = 250) {
      var bit, i, len, mask, ref;
      mask = 0b1000;
      ref = BITS.slice(0, 4);
      for (i = 0, len = ref.length; i < len; i++) {
        bit = ref[i];
        rpio.write(bit, bitmap & mask ? rpio.HIGH : rpio.LOW);
        mask >>= 1;
      }
      rpio.msleep(100);
      rpio.write(ENABLE, rpio.HIGH);
      rpio.msleep(timer);
      return rpio.write(ENABLE, rpio.LOW);
    }

    static close() {
      var bit, i, len, results;
      results = [];
      for (i = 0, len = BITS.length; i < len; i++) {
        bit = BITS[i];
        results.push(rpio.close(bit));
      }
      return results;
    }

  };

  module.exports = Pimote;

}).call(this);