GitHub - cpb-/spi-tools: Simple command line tools to help using Linux spidev devices
Confluence Mobile - PHYTEC Wiki
Linux and the I2C and SPI interfaces (part 1) | Stupid Projects
Banana Pi BPI-M4: How to get I2C and SPI running (tutorial) - Banana Pi PI-M4 Berry/BPI-M4 Zero 2/BPI-M4 - banana pi single board computer open source project official forum BPI team