first commit

Software/NodeJS/libs/sensors/base/digitalSensor.js

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+var util         = require('util')
+var Sensor       = require('./sensor')
+var commands     = require('../../commands')
+
+function DigitalSensor(pin) {
+  Sensor.apply(this, Array.prototype.slice.call(arguments))
+  this.pin = pin
+}
+util.inherits(DigitalSensor, Sensor)
+DigitalSensor.prototype = new DigitalSensor()
+
+DigitalSensor.prototype.read = function() {
+  var writeRet = this.board.writeBytes(commands.dRead.concat([this.pin, commands.unused, commands.unused]))
+  if (writeRet) {
+    this.board.wait(100)
+    return this.board.readBytes(2)[1]
+  } else {
+    return false
+  }
+}
+DigitalSensor.prototype.write = function(value) {
+  return this.board.writeBytes(commands.dWrite.concat([this.pin, value, commands.unused]))
+}
+
+module.exports = DigitalSensor