Simple wrappers around FreeBSD's GPIO ioctl for Per, Python, and Ruby
perl Makefile.PL
make
make install
use GPIO;
my $controller = GPIO->new();
$controller->open() or die("Can't open GPIO controller dev: $!");
# config pin
$controller->set_pin_config(16, GPIO::PIN_OUTPUT);
# pin LOW, LED is on
$controller->set_pin_value(16, GPIO::LOW);
sleep(1);
# pin HIGH, LED is on
$controller->set_pin_value(16, GPIO::HIGH);python setup.py build
python setup.py install
from time import sleep
import gpio
gpioc = gpio.controller()
led_pin = gpioc.pin(16)
# config pin
led_pin.config = gpio.PIN_OUTPUT
# pin LOW, LED is on
led_pin.value = gpio.LOW
sleep(1);
# pin HIGH, LED is off
led_pin.value = gpio.HIGHgem build gpio.gemspec
gem install ./gpio-0.0.1.gem
require 'gpio'
gpioc = GpioController.new("/dev/gpioc0")
led_pin = gpioc.pin(16)
# config pin
led_pin.config = GPIO_PIN_OUTPUT
# pin LOW, led is ON
led_pin.value = GPIO_LOW
sleep(1)
# pin HIGH, led is OFF
led_pin.value = GPIO_HIGHEach subdirectory contains demo script (rpi-gpio-demo) for Raspberry Pi written in respective language. It simply dumps GPIO pins information to stdout and blinks activity LED for some time