iohann.s.titov@gmail.com Ivan S. Titov c-periphery is a C library for GPIO, LED, PWM, SPI, I2C, MMIO and serial peripheral I/O access in userspace Linux, for interfacing with external peripherals on embedded boards such as the Raspberry Pi. vsergeev/c-periphery https://github.com/vsergeev/c-periphery/issues