I need some help with a rule;
I have an rgb zigbee bulb (IKEA) which I have connected to an item in OH2.12 through Deconz. Works! I also have an IKEA remote connected through the same binding. Also works.
Now, what I want to achieve is, that by pressing a button on the remote, I want to cycle the color element of the button a step so that continously pressing the button would change the color through “the RGB rainbow”.
The state of the RBG-bulb (color item type) in OH is i.e. “264,100,100”. What I want to do is basically to change the first number in that three-sequence with +20 each time the button is pressed - until a high limit is reached (unsure how much that is, but i.e. 350) and then start over from 0.
The last part of the sequence I just want to retain (",100,100").
At the end, I expect just to send the updated string to the RGB item with a “sendCommand”.
Any suggestions how to achieve this in a nifty code without me breaking my mind with substrings and back-forward conversion from strings to numbers ?