Tag bit banging

Linux Kernel PWM Driver with SYSFS

Intro In this post I presented a Linux kernel module that drives a GPIO pin on the Raspberry Pi as a PWM pin. That version allowed the user to change dutycycle and frequency of the PWM pulses by writing into… Continue Reading →

Bit Banging PWM Driver using a Kernel Module on Raspberry Pi

Intro In this post I am presenting the code for a linux kernel module that makes a GPIO pin of the Raspberry Pi act as a PWM pin using simple bit banging. The module is running in the Raspbian linux… Continue Reading →

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