Thank you for looking...
Below is the current code. There are issues with the MaxMin code but the basic parse code could be taken from almost any sensor (so I think).
My question is: are the logs indicating something is unstable in the timing or is that just how it is.
metadata {
definition(name: "SHT30 Zigbee Test 4.2", namespace: "johnrob", author: "johnr")
{
capability "Actuator"
capability "Sensor"
capability "Initialize" // runs at restart!
capability "TemperatureMeasurement"
capability "RelativeHumidityMeasurement"
attribute "DewPoint", "string"
fingerprint profileId: "0104", inClusters: "0000", outClusters: "0000, 0B05, 0006" // per PTVO firmware.
}
preferences{
input name: "logEnable", type: "bool", title: "Enable debug logging", defaultValue: false
input name: "logTrace", type: "bool", title: "Enable trace logging", defaultValue: false
input name: "unitsDegC", type: "enum", title: "Temperature Units", options: ["1":"°C","0":"°F"], defaultValue: 1, required: false
}
} // --- metadata ---
def parse(String description){
if (logEnable) log.info " Raw Description= $description"
if (description?.startsWith('read attr -')){ // in testing all messages are 'read attr -''
def descMap = zigbee.parseDescriptionAsMap(description)
// if (logEnable) log.info (" descMap= $descMap")
if (descMap.cluster == "000C" && descMap.attrId == "0055"){ // zigbee spec 0x000C= read analog cluster 0x0055 = present value
// in our testing all messages are 000C and 0055
SHThexData = descMap.value
float SensorValue = ConvertHexToFloat(SHThexData)
def otherAttrs = descMap?.additionalAttrs
otherAttrs.each{
SHTunitaddress = it.value
}
def (SHTunits, SHTaddress) = SHTunitaddress.tokenize( ',' ) // <--- units and I2C address
if (logEnable) log.info " data Units ${SHTunits}"
if (SHTunits == "C"){
if (tempUnits == "0"){
fSensorValue = celsiusToFahrenheit(SensorValue)
fSensorValue = Math.round(fSensorValue*10)/10
updateMaxMin(fSensorValue)
sendEvent(name: "temperature", value: fSensorValue , unit:"F", isStateChange: true)
}
else {
cSensorValue = Math.round(SensorValue*10)/10
updateMaxMin(cSensorValue)
sendEvent(name: "temperature", value: cSensorValue , unit:"C", isStateChange: true)
}
}
if (SHTunits == "%"){
intermediate = SensorValue
hSensorValue = Math.round(SensorValue/10)*10
sendEvent(name: "humidity", value: hSensorValue, unit:"%", isStateChange: true)
}
//log.info (" xxxxx deviceValue ${device.currentValue("temperature")} ")
/*
// --- DewPoint --------------------------------------------------------------------
// Td = T - ((100 - RH)/5) where T and Td are in °C
if (logEnable) log.info (" SensorValue ${SensorValue}")
if (logEnable) log.info (" intermediate ${intermediate}")
float cDewPoint = SensorValue + ((100 - intermediate)/5)
cDewPoint = Math.round(cDewPoint)
if (tempUnits == "0"){ //°F
fDewPoint = celsiusToFahrenheit(cDewPoint)
sendEvent(name:"DewPoint", value: fDewPoint, displayed:true, isStateChange: true)
if (logEnable) log.info (" DewPoint -> sendEvent")
}else{
sendEvent(name:"DewPoint", value: cDewPoint, displayed:true, isStateChange: true)
}
// --- DewPoint --------------------------------------------------------------------
*/
} // --- if cluster ---
} // --- if "read attr" ---
} // --- parse ---
// -_-_ methods _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
def ConvertHexToFloat(hexValue){
HexValueStr = hexValue.toString()
int intBits = Long.valueOf(HexValueStr, 16).intValue();
float floatValue = Float.intBitsToFloat(intBits);
}
def initialize(){
if (logTrace) log.info " running Intitialize...."
unschedule("clearMaxMin")
schedule("0 58 23 1/1 * ? *", clearMaxMin) // execute handlerMethod every day at 23:58.
Runin (240, clearMaxMin)
}
def clearMaxMin(){
state.Max = SensorValue
state.Min = SensorValue
}
def updateMaxMin(updateValue){
if (logTrace) log.info " in updateMaxMin $updateValue "
if(updateValue > state.Max) state.Max = updateValue
if(updateValue < state.Min) state.Min = updateValue
}
