On 11/6/20 12:31 PM, Patrick Menschel wrote: >> On 11/5/20 7:11 PM, Patrick Menschel wrote: >>>>> Its just a bread board install and I had to reduce the Spi-Max-Frequency >>>>> due to 10cm long cables. It least I believe it's the cable length. >>>> >>>> What happens if you don't reduce the SPI frequency? >>> >>> CRC Errors above 16Mhz spi frequency. >> >> Ok - Which SoC are you using? rpi4? >> >> Marc >> > > https://www.raspberrypi.org/products/raspberry-pi-zero-w/ any config.txt options? Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |