madworm, I am not sure if this is going to help him if he doesn't understand the SPI library in the first place
There is a german subforum right here, just scroll down a bit further.
When posting code use the code tag (# button in editing window).
I don't think your last line of code is really what you meant it to be:
pinMode(freigabeOE, LOW); //Freigabe Ausgangsregister
Didn't you rather mean
digitalWrite(freigabeOE, LOW); //Freigabe Ausgangsregister
Check the playground for SPI examples and come back if you have any more questions after that.
Hope that helps.