Race condition in Berry?

[R Casorso]

Just trying out Berry on a ESP32 and ran into something that I don't understand.  In the following code, if I remove the print statement it fails saying that value is nil however with the print statement it works every time.  I'm thinking it might be a race condition but that doesn't make any sense.  Any ideas?

        var js = json.load(tasmota.read_sensors(true))

        value = js[self.sensorId]['Temperature']

        print(value)

        if value != nil

Thanks

[Philip Knowles]

Maybe try var value = js[self.semsorId]['Temperature']

Just in case

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From: sonof...@googlegroups.com <sonof...@googlegroups.com> on behalf of R Casorso <rvca...@gmail.com>
Sent: 05 February 2025 22:55
To: TasmotaUsers <sonof...@googlegroups.com>
Subject: Race condition in Berry?

 

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[Stephan Hadinger]

Can you paste the complete code and error messages?

The code here surely does not compile. Why is the 'if' at the end?

Le 6 févr. 2025 à 16:45, Philip Knowles <knowles...@gmail.com> a écrit :



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[R Casorso]

thanks for the feedback  here is the complete function.  It is called every X seconds.  like this it works but if I comment out the print if fails with 

19:17:18.061 BRY: Exception> 'attribute_error' - the 'map' object has no method '()'

def extractSensors()

        var value

        var js = json.load(tasmota.read_sensors(true))

        value = js[self.sensorId]['Temperature']

        print("") #needs a delay here????

        if value != nil

            for  x: 0.. self.IntegrateLen - 1 # move the buffer down one

               

                self.temperatures[self.IntegrateLen -x] = self.temperatures[self.IntegrateLen -x-1]

                #print (x, self.temperatures[self.IntegrateLen -x] )

            end

           

            self.temperatures[0] = real(value) # set the last reading

               # print("extract sensor:",self.temperature[0])  

                 

            if self.mqtt_up

                mqtt.publish("stat/"+self.topic+"/"+self.sensorId,str(self.temperature))

            end

        end

    end

[Stephan Hadinger]

Thanks. It's definitely not a race condition because everything is sequential in Berry. 

However I suspect a compiler bug. I had already similar miscompilation in the past. 

I'm off this week but will try to debug this next week. Your code is straightforward and I thought we got rid of all those compilation bugs. 

Stay tuned. 

(sent from a tiny keyboard)

Le 6 févr. 2025 à 19:18, R Casorso <rvca...@gmail.com> a écrit :

thanks for the feedback  here is the complete function.  It is called every X seconds.  like this it works but if I comment out the print if fails with 

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[Stephan Hadinger]

Hi, I confirm this is a compiler bug. I will work on it.

Thanks for reporting this problem.

[Stephan Hadinger]

It is now fixed in the latest Tasmota version. Thanks for reporting this bug.