I’ve been diving into integrating some EnOcean window handles into my openHAB setup, and it’s been an exciting journey with a few twists along the way. Let me share my experience and how I tackled the raw state transformation issue, which might help others facing similar challenges.Initially, integrating the EnOcean devices via Homegear and the HomeMatic binding worked smoothly, as detailed in this forum post. However, I encountered an unexpected hurdle with the raw state definitions for the window handles. The states were coming through as ‘Undefined’, ‘Closed’, and ‘Open’, which didn’t align with the actual physical states of the windows—‘Closed’, ‘Open’, and ‘Ajar’. This mismatch was causing confusion in my rules and dynamic icons on the sitemap.Here’s the setup I started with in my item file:plaintextString ug_buero_sFenster “Büro [MAP(EnOceanWindowHandle_label.map):%s]” (gUG_fenster) {channel=‘homematic:HG-F6-10-00:6e230a45:EOD01A93E7E:1#STATE’}The raw states from Homegear were:- Undefined (should be ‘Closed’)- Closed (should be ‘Open’)- Open (should be ‘Ajar’)This inversion was making my automation rules counterintuitive. For instance, a rule intended to trigger when the window opened was instead activating when it closed. It was a bit perplexing!After some research, I discovered that while openHAB allows label transformations, this approach didn’t solve the underlying raw state issue, especially since dynamic icons depend on the raw state rather than the label. I explored the possibility of using transformation files, similar to MQTT bindings, where I could map the incorrect raw states to their correct counterparts.Here’s the transformation file I created:plaintextUndefined=closedClosed=openOpen=ajarAnd I updated my item definition to utilize this transformation:plaintextString ug_buero_sFenster “Büro [MAP(EnOceanWindowHandle_label.map):%s]” (gUG_fenster) {mqtt=“<[mosquitto:ug/buero/sensor/fenster:state:MAP(EnOceanWindowHandle_configBinding.map)]”}This change effectively transformed the raw states, aligning them with the physical states of the windows. Now, my rules and sitemap icons behave as expected, which was a huge relief!Reflecting on this experience, it’s clear that understanding how raw states and labels interact in openHAB is crucial, especially when integrating devices from different manufacturers or protocols. Using transformation files provided a neat solution without diving into more complex custom coding.If anyone else is dealing with similar state mismatches, I’d recommend exploring transformation files and carefully mapping your states. It’s a powerful way to ensure your smart home setup works seamlessly with your intended logic and visuals.Happy automating!