Thanks very much for the good summary and information! I need to discuss the idea of a non interrupt based data acquisition, since i am not sure if for example FFT analysis of the signals is important later. If so, i would need very accurate timing for the sampling intervals. I still need to read jo...

Hi msperl, Thanks for your detailed answer! For now i think i am stuck with kernel 3.12 since i read that no RT kernel patch is available for 3.18. yet. Also i am working on a rPi B+ (just one core). Using spi_sync would mean that the core is blocked by the SPI thread during tranfers, right? Anyway ...

Hi Everybody, i tried to catch up with this topic but there is a lot of information to process. Could you help me understand what is going on here? I am about to build a data acquisition system with a rPi B+ which is supposed to sample 4 Channels with 1kHz sampling rate each. Since i could not find ...