DUE + u8glib + ssd1325 (NHD 12864 OLED) = slow refresh rate :( ---FIXED!---

Did you pull out the analogRead from the inner loop? But i agree, also with the analogRead inside the loop, it should be much faster.

I have not yet tested Arduino 1.5.6-r2 IDE. Latest tested release is 1.5.5

Oliver