Pigpio

This gem is a ruby binding to a pigpio library.

Installation

First, install pigpio libary.

$ sudo apt-get update
$ sudo apt-get install pigpio

Next, add this line to your application’s Gemfile:

gem 'pigpio'

And then execute:

$ bundle

Or install it yourself as:

$ sudo gem install pigpio

Usage

First, create a circuit.

board

Next, write a script.

require "pigpio"
include Pigpio::Constant
pi=Pigpio.new
unless pi.connect
  exit -1
end
led = pi.gpio(4)
led.mode = PI_OUTPUT
led.pud = PI_PUD_OFF
3.times do |i|
  led.write 1
  sleep 1
  led.write 0
  sleep 1
end
pi.stop

Then, run deamon and script.

$ sudo pigpiod
$ ruby example_led.rb

More sample for this circuit. : Hare

More sample for other circuit. : Hare

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/nak1114/pigpio. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Pigpio project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.