Class: PiDriver::Pin::DirectoryHelper

Inherits:

Object

• Object
• PiDriver::Pin::DirectoryHelper

Defined in:

lib/pi_driver/pin/directory_helper.rb

Constant Summary

DIR_BASE =

TODO: figure out environment variables for test DIR_BASE = ‘/sys/class’

File.expand_path '~/pi/gpio/sys/class'

DIR_GPIO =

"#{DIR_BASE}/gpio".freeze

Instance Method Summary

• #direction ⇒ Object
• #export ⇒ Object
• #initialize(gpio_number) ⇒ DirectoryHelper constructor

  A new instance of DirectoryHelper.

• #value ⇒ Object

Constructor Details

#initialize(gpio_number) ⇒ DirectoryHelper

Returns a new instance of DirectoryHelper.

# File 'lib/pi_driver/pin/directory_helper.rb', line 9

def initialize(gpio_number)
  @gpio_number = gpio_number
end

Instance Method Details

#direction ⇒ Object

# File 'lib/pi_driver/pin/directory_helper.rb', line 13

def direction
  "#{dir_pin}/direction"
end

#export ⇒ Object

# File 'lib/pi_driver/pin/directory_helper.rb', line 17

def export
  "#{DIR_GPIO}/export"
end

#value ⇒ Object

# File 'lib/pi_driver/pin/directory_helper.rb', line 21

def value
  "#{dir_pin}/value"
end