I have created an app (one of my first) to control a whole house fan. The basic idea is that every hour the fan should come one for 10 minutes. The app works but after a day or two it stops working. I am just using the schedule command. Should I be using cron instead of schedule?
/**
* Fan On Schedule
*
* Copyright 2016 Christopher Stewart
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
* for the specific language governing permissions and limitations under the License.
*
*/
definition(
name: "Fan On Schedule",
namespace: "cestewart",
author: "Christopher Stewart",
description: "Turn a fan on every X minutes and run for Y minutes.",
category: "Convenience",
iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png",
iconX3Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png")
preferences {
section("Switch to control") {
input "theswitch", "capability.switch", title: "Fan", required: true
}
section("Settings") {
input name:"runEveryMinutes", type: "number", title: "How often shoud the fan run in minutes", required: true
input name:"runForMinutes", type: "number", title: "How long should the fan run in minutes", required: true
}
}
def installed() {
log.debug "Installed with settings: ${settings}"
initialize()
}
def updated() {
log.debug "Updated with settings: ${settings}"
unsubscribe()
initialize()
}
def initialize() {
subscribe(theswitch, "switch", switchHandler)
turnSwitchOn()
}
def switchHandler(evt) {
if (theswitch.currentValue("switch").equalsIgnoreCase("on")) {
log.debug "The fan will be turned off in ${runForMinutes} minutes."
runIn(60*runForMinutes, turnSwitchOff)
}
}
def turnSwitchOn() {
theswitch.on()
log.debug "The fan has been turned on"
schedule(now() + runEveryMinutes * 60 * 1000, turnSwitchOn)
}
def turnSwitchOff() {
theswitch.off()
log.debug "The fan has been turned off"
}