Rock64-BashGPIO

A collection of Bash libraries, utilities, and scripts for the Rock64 single-board computer

Bash Libraries and Scripts

rock64-gpiolib.sh
A basic GPIO library for the Rock64 for Bash shell scripts

Function	Arguments
gpio-setup	GPIO #, in/out, up/down, rising/falling/both/none
gpio-output	GPIO #, high/low
gpio-input	GPIO #
gpio-pwm	GPIO #, Frequency (Hz), Duty Cycle (%), Repeatitions
gpio-pwm-calc	Frequency (Hz), Duty Cycle (%)
gpio-pwm-raw	GPIO #, Sleep High Duration (Seconds), Sleep Low Duration (Seconds), Repeatitions
gpio-cleanup	GPIO# (Leave blank to clear all GPIO exports)

rock64-pwm-test.sh
A test script utilizing the rock64-gpiolib library to set the brightness on an LED via software PWM.

Resources

List of resources used while building the scripts and libraries in this repository

• Kernel.org - GPIO/SYSFS Documentation
• Pine64 Forum - GPIO LED blinker using SYSFS on the Rock64