Energy Tile

/*
Virtual Device with `energy` value to pass details to Actiontiles object.
*/

metadata {
    definition(name: "Energy Tile", namespace: "s.tavener", author: "Stavener" ) {
        
        capability "Energy Meter"  
        capability "Sensor"
        capability "Actuator"
        
        command "setenergy"
		command "getenergy"
        
		attribute "energy", "number"    
    }
      
    tiles {   
 		valueTile("energy", "device.energy", width: 3, height: 1) {
    		state "default", label:'${currentValue} number}'
		}      
    }

}

def initialize() {
	state.energy = 0.0
	log.debug("init")
}

def installed() {
	log.debug "Installed"
    initialize()
}

def updated() {
	log.debug "Updated"
    initialize()
}

def setenergy(new_value) {
	log.debug "setenergy called energy=$new_value"
    sendEvent(name:"energy", value: new_value, unit:"p/Kw")
}

private getenergy() {
    value = device.currentState("energy")
    return value
}