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@ -50,6 +50,9 @@ In addition to listening for incoming HAP requests, HomeSpan also continuously p
* **H** - delete HomeKit Device ID as well as all Controller data and restart
* In addition to deleting all Controller data (as if the 'U' command was run), this command also deleted the device's HomeKit ID. This unique ID is broadcast to all HomeKit Controllers so the device can be uniquely recognized. When HomeSpan first runs on a new device, it creates this unique ID and stores it permanently in an NVS partition. Normally, this ID should not changed once set. However, if you are actively developing and testing a HomeSpan device, and modify the details of your HAP Database (perhaps by adding a new Service, or changing the name of a Characteristic), you may find that HomeKit is cacheing information about your device and the changes you have made are not reflected in the Home App. Sometimes simply unpairing and re-paring the device solves this HomeKit issue. If not, deleting your device's HomeKit ID with this command forces HomeSpan to generate a new one after restarting, which means HomeKit will think this is a completely different device. Note that since this command also resets the device status to unpair, all the caveats above in the 'U' command hold true for this command as well.
* Developer's Note: HomeSpan properly broadcasts a new configuration number for all HomeKit Controllers to read every time a HomeSpan sketch is changed in a way that results in a modified HAP Accessory Database (such as changing a Characteristic). However, HomeKit Controllers do not always seems to read or respect the configuration number and instead rely on an outdated cached version of the device's HAP Database.
* Developer's Note: HomeSpan properly broadcasts a new configuration number for all HomeKit Controllers to read every time a HomeSpan sketch is changed in a way that results in a modified HAP Accessory Database (such as changing a Characteristic). However, HomeKit Controllers do not always seems to read or respect the configuration number and instead may rely on an outdated cached version of the device's HAP Database. The 'H' command was developed to solve for this issue.
Every HomeSpan device also requires an 8-digit Setup Code to be able to pair to Apple HomeKit. This code is similarly stored in an NVS partition rather than hardcoded into a HomeSpan sketch. When HomeSpan is run for the first time on a new device, it configures itself with a default code of **466-37-72**. This can be changed any time from the HomeSpan CLI.