arrival: Add support for ZigBee HA arrival sensor

Resolves:
    https://smartthings.atlassian.net/browse/DVCSMP-1305
    https://smartthings.atlassian.net/browse/DVCSMP-1322

devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy

@@ -0,0 +1,152 @@
+/**
+ *  Copyright 2016 SmartThings
+ *
+ *  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.
+ *
+ */
+metadata {
+    definition (name: "Arrival Sensor HA", namespace: "smartthings", author: "SmartThings") {
+        capability "Tone"
+        capability "Actuator"
+        capability "Presence Sensor"
+        capability "Sensor"
+        capability "Battery"
+        capability "Configuration"
+
+        fingerprint inClusters: "0000,0001,0003,000F,0020", outClusters: "0003,0019",
+                        manufacturer: "SmartThings", model: "tagv4", deviceJoinName: "Arrival Sensor"
+    }
+
+    preferences {
+        section {
+            image(name: 'educationalcontent', multiple: true, images: [
+                "http://cdn.device-gse.smartthings.com/Arrival/Arrival1.png",
+                "http://cdn.device-gse.smartthings.com/Arrival/Arrival2.png"
+                ])
+        }
+        section {
+            input "checkInterval", "enum", title: "Presence timeout (minutes)",
+                    defaultValue:"2", options: ["2", "3", "5"], displayDuringSetup: false
+        }
+    }
+
+    tiles {
+        standardTile("presence", "device.presence", width: 2, height: 2, canChangeBackground: true) {
+            state "present", labelIcon:"st.presence.tile.present", backgroundColor:"#53a7c0"
+            state "not present", labelIcon:"st.presence.tile.not-present", backgroundColor:"#ffffff"
+        }
+        standardTile("beep", "device.beep", decoration: "flat") {
+            state "beep", label:'', action:"tone.beep", icon:"st.secondary.beep", backgroundColor:"#ffffff"
+        }
+        valueTile("battery", "device.battery", decoration: "flat", inactiveLabel: false) {
+            state "battery", label:'${currentValue}% battery', unit:""
+        }
+
+        main "presence"
+        details(["presence", "beep", "battery"])
+    }
+}
+
+def updated() {
+    startTimer()
+}
+
+def configure() {
+    def cmds = zigbee.configureReporting(0x0001, 0x0020, 0x20, 20, 20, 0x01)
+    log.debug "configure -- cmds: ${cmds}"
+    return cmds
+}
+
+def beep() {
+    log.debug "Sending Identify command to beep the sensor for 5 seconds"
+    return zigbee.command(0x0003, 0x00, "0500")
+}
+
+def parse(String description) {
+    state.lastCheckin = now()
+    handlePresenceEvent(true)
+
+    if (description?.startsWith('read attr -')) {
+        handleReportAttributeMessage(description)
+    }
+}
+
+private handleReportAttributeMessage(String description) {
+    def descMap = zigbee.parseDescriptionAsMap(description)
+
+    if (descMap.clusterInt == 0x0001 && descMap.attrInt == 0x0020) {
+        handleBatteryEvent(Integer.parseInt(descMap.value, 16))
+    }
+}
+
+private handleBatteryEvent(rawValue) {
+    def linkText = getLinkText(device)
+
+    def eventMap = [
+        name: 'battery',
+        value: '--'
+    ]
+
+    def volts = rawValue / 10
+    if (volts > 3.5) {
+        eventMap.descriptionText = "${linkText} battery has too much power (${volts} volts)."
+    }
+    else if (volts > 0){
+        def minVolts = 2.1
+        def maxVolts = 3.0
+        def pct = (volts - minVolts) / (maxVolts - minVolts)
+        if (pct < 0)
+            pct = 0
+        eventMap.value = Math.min(100, (int) pct * 100)
+        eventMap.descriptionText = "${linkText} battery was ${eventMap.value}%"
+    }
+
+    log.debug "Creating battery event: ${eventMap}"
+    sendEvent(eventMap)
+}
+
+private handlePresenceEvent(present) {
+    def wasPresent = device.currentState("presence")?.value == "present"
+    if (!wasPresent && present) {
+        log.debug "Sensor is present"
+        startTimer()
+    } else if (!present) {
+        log.debug "Sensor is not present"
+        stopTimer()
+    }
+    def linkText = getLinkText(device)
+    def eventMap = [
+        name: "presence",
+        value: present ? "present" : "not present",
+        linkText: linkText,
+        descriptionText: "${linkText} has ${present ? 'arrived' : 'left'}",
+    ]
+    log.debug "Creating presence event: ${eventMap}"
+    sendEvent(eventMap)
+}
+
+private startTimer() {
+    log.debug "Scheduling periodic timer"
+    schedule("0 * * * * ?", checkPresenceCallback)
+}
+
+private stopTimer() {
+    log.debug "Stopping periodic timer"
+    unschedule()
+}
+
+def checkPresenceCallback() {
+    def timeSinceLastCheckin = (now() - state.lastCheckin) / 1000
+    def theCheckInterval = (checkInterval ? checkInterval as int : 2) * 60
+    log.debug "Sensor checked in ${timeSinceLastCheckin} seconds ago"
+    if (timeSinceLastCheckin >= theCheckInterval) {
+        handlePresenceEvent(false)
+    }
+}