[Temar]

Nice HowTo thank you!
Here are my lirc.conf files (i wasn't able to get it work with just one file lirc.conf) also i had to change manually the toggle_bit_mask from 0x2800000000 to 0x1400000000 because every button press caused two signals - i think this is a good solution !

So now to my problems I hope someone can help me:
Sometimes the keys will not get recognized. They work well and after that i need to press another key five times until it works! For debugging i run "irw" at the same time and also it will not recognize the key so it must be a lirc problem!?

Hmm, I'm not sure if changing the toggle_bit_mask is a good idea. Isn't that the bitmask between a button press and a button release?

Changing that bitmask may be the source of your problems. Normally XBMC filters multiple button presses quite well, so it doesn't matter if two events are sent.

The next issue is that i can't use any other remote control! Do I have to change some configuration to get a Harmony Work for example?!

Most of the IR receivers built into those HTPC cases only support their own remote.

Because the RM100 has only a few buttons I want to use another remote and the harmony will not get recognized even when I use it with the RM100 configuration

Hmm, that's weird. If you record the RM100 buttons and replay them with your harmony it should work. At least irw should detect the key presses.

The problem is that XBMC only supports its predefined IR events. So even if your remote has 100 buttons you can only use a few buttons, as you cannot define custom tags in the Lircmap.xml file.
If you want to use all buttons of your remote you have to apply a patch to xbmc which lets you treat any remote as a universal remote. But as your IR receiver probably only supports its own remote (if you are lucky it supports RM200, too) you won't have that problem.