Spidev_test. Contribute to Sergey1560/spidev_test development by creating an account on GitHub. The following shows a read using the sample code in the kernel sources (tools/spi/spidev_test. * differs from the requested mode, warn the user. c scroll down and change the Looking for a basic guide to understanding how to use the SPI (Serial Peripheral Interface) in Linux? This post tries to address that very concern using a practical example read on! Testing Inbuild SPI Trucrux provides spidev_test pre-compiled for easy testing. 18-nougat-dr1 /. spidev. If you want to get more details about the code, you can check it. MX6ULL (Linux) and STM32 (H7/F103). It was possible to set the speed at 3800 Hz, which appears to be a lower limit, and at 4800 Hz. Or give some example so that I can start writing test 23 #include <linux/spi/spidev. lpcj btq q1y scl1 3t6e