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MQTT: Convert data before sent/receive

Tanapol E. 3 years ago in Server Solutions / UMC Server updated by Ilya Markov (expert) 3 years ago 1

Hi,

My MQTT sent/receive command by string "ON" and "OFF" not 0 1


Is it possible to convert them?

for example

when receive string "ON" from Feedback

just convert to 1

and when send 1 to MQTT Tag just convert and send out "ON" string

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Hello,

you can use js script for this task. You can subscript to this tag via global listener or event tag change and then convert it.


var device = IR.GetDevice("MQTT")

IR.AddListener(IR.EVENT_TAG_CHANGE, device, function(name, value)
{
   if (name == "MQTT Feedback")
   {
     if (value == "ON")
     {
       //Here you should set 1 to your varibale
     }
     else
     {
      //Here you should set 0 to your varibale
     }
   }
})