Domoticz

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return {
    on = {
        devices = { 'EXTERIOR_raw' } -- the physical temperature sensore
    },
    execute = function(dz, device)
        -- Calibration values
        local rawHigh = 97.3 -- Raw temperature read at the boiling point of water
        local rawLow = -0.5 -- Raw temperature read in the ice bath
        local rawRange = rawHigh - rawLow

        local referenceHigh = 99.2 -- Temperature for the boiling point of water at atmospheric pressure
        local referenceLow = 0 -- Temperature for the Triple-point bath
        local referenceRange = referenceHigh - referenceLow

        -- Function to perform temperature correction and rounding
        local function correctTemperature(inTemp)
            local corrected = (((inTemp - rawLow) * referenceRange) / rawRange) + referenceLow
            return math.floor(corrected * 10 + 0.5) / 10 -- Round to 1 decimal place
        end
        
        -- Updating the virtual sensor with the calculated value
        if (device.name == 'EXTERIOR_raw') then
            local inTemp = device.temperature
            local correctedTemp = correctTemperature(inTemp)
            dz.devices('EXTERIOR').updateTemperature(correctedTemp)
        end
    end
}

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-- Define the mapping between physical and virtual sensors
local sensorMapping = {
  ['EXTERIOR_raw'] = 'EXTERIOR',
  ['Cam_Centrala_raw'] = 'Cam_Centrala',
  ['Vana_Amestec_raw'] = 'Vana_Amestec',
  ['Tur_raw'] = 'Tur',
  ['Retur_raw'] = 'Retur',
  ['Baie_raw'] = 'Baie',
  ['Puffer_raw'] = 'Puffer',
  -- Add more mappings as needed
}

return {
  on = {
    devices = {
      'EXTERIOR_raw',
      'Cam_Centrala_raw',
      'Vana_Amestec_raw',
      'Tur_raw',
      'Retur_raw',
      'Baie_raw',
      'Puffer_raw',
      -- Add more physical sensor devices here
    }
  },
  execute = function(domoticz, device)
    -- Calibration values for each physical sensor
    local calibrationValues = {
      ['EXTERIOR_raw'] = { rawLow = -0.5, rawHigh = 97.3, referenceLow = 0, referenceHigh = 99.2 },
      ['Cam_Centrala_raw'] = { rawLow = -0.3, rawHigh = 98.3, referenceLow = 0, referenceHigh = 99.2 },
      ['Vana_Amestec_raw'] = { rawLow = 0.7, rawHigh = 98.3, referenceLow = 0, referenceHigh = 99.2 },
      ['Tur_raw'] = { rawLow = 0.7, rawHigh = 98.7, referenceLow = 0, referenceHigh = 99.2 },
      ['Retur_raw'] = { rawLow = 0.3, rawHigh = 98.8, referenceLow = 0, referenceHigh = 99.2 },
      ['Baie_raw'] = { rawLow = 0.8, rawHigh = 98.6, referenceLow = 0, referenceHigh = 99.2 },
      ['Puffer_raw'] = { rawLow = 0.9, rawHigh = 98.9, referenceLow = 0, referenceHigh = 99.2 },
      -- Add calibration values for more physical sensors here
    }
    
    -- Get the corresponding virtual sensor
    local virtualSensor = sensorMapping[device.name]
    
    -- Check if the virtual sensor exists in the mapping
    if virtualSensor then
      -- Get the calibration values for the current physical sensor
      local calibration = calibrationValues[device.name]
      local rawLow, rawHigh, referenceLow, referenceHigh = calibration.rawLow, calibration.rawHigh, calibration.referenceLow, calibration.referenceHigh
      
      -- Read raw temperature from the physical sensor
      local rawTemperature = tonumber(device.temperature)
      
      -- Calculate calibration values
      local referenceRange = referenceHigh - referenceLow
      local rawRange = rawHigh - rawLow
      local correctedValue = (((rawTemperature - rawLow) * referenceRange) / rawRange) + referenceLow
      
      -- Round the corrected value to the nearest decimal place
      correctedValue = math.floor(correctedValue * 10 + 0.5) / 10
      
      -- Update the corresponding virtual sensor with the rounded calibrated value
      domoticz.devices(virtualSensor).updateTemperature(correctedValue)
    end
  end
}