GPIO in the kernel: an introduction
GPIO in the kernel: an introduction
Posted Dec 17, 2016 6:44 UTC (Sat) by flussence (guest, #85566)In reply to: GPIO in the kernel: an introduction by pizza
Parent article: GPIO in the kernel: an introduction
Fun trivia: this is exactly what the NES Classic does. In their GPL code dump there's a kernel driver for the controller - it has the same wire protocol the Wiimote uses (internally!), but leaves the kernel to deal with all that hardware-related insanity and more.