node-currentcost provides an easy way to pull data from current cost home energy devices. For more information about CurrentCost devices go to: http://www.currentcost.com

This driver currently depends on a python serial library in order to provide compatibility across multiple flavors of Unix (Linux, OSX, BSD)

The api is very simple. It consists of a single EventEmitter that can notify of 2 types of events:

These notifications come roughly once every 3 seconds. The data for incremental updates looks like this:

	{ src: 'CC128-v0.15'
	, dsb: 2
	, time: '10:02:03'
	, tmprf: 77.2
	, sensor: 0
	, id: 1123
	, type: 1
	, ch1: { watts: 447 }
	, ch2: { watts: 384 }
	}

These notifications come 1 minute past every odd hour that contains details of historical energy usage. The data for incremental updates looks like this:

	{ src: 'CC128-v0.15'
	, dsb: 2
	, time: '10:02:03'
	, hist: 
	   { dsw: 26
	   , type: 1
	   , units: 'kwhr'
	   , data: [ { sensor: 0
		    , h024: 1.1
		    , h022: 0.9
		    , h020: 0.3
		    , h018: 0.4
		    }
		    , { sensor: 1
		    , units: 'kwhr'
		    , h024: 0
		    , h022: 0
		    , h020: 0
		    , h018: 0
		    }
		  ]
	   }
	}

For more information about the Currentcost data schema see the products data specification (http://www.currentcost.com/cc128/xml.htm). All information in this driver is provided in JSON format, but the Currentcost data spec refers to the schema in its xml form: http://www.currentcost.com/cc128/xml.htm