class PiGPIO

Constants

ERRORS

Attributes

gpios[R]

Public Class Methods

new() click to toggle source

# File lib/pigpiod.rb, line 14
def initialize
  @pigpio = File.open("/dev/pigpio", "wb")
  @pigout = File.open("/dev/pigout", "rb")

  @gpios = Array.new(54) { |g| GPIO.new(self, g) }
end

Public Instance Methods

inspect() click to toggle source

# File lib/pigpiod.rb, line 21
def inspect
  "#<PiGPIO>"
end

Private Instance Methods

command(command) click to toggle source

# File lib/pigpiod.rb, line 27
def command(command)
  @pigpio.puts(command)
  @pigpio.flush
  @pigout.wait_readable
  result = @pigout.read_nonblock(256).strip.to_i
  if result.negative?
    error_index = -result - 1
    raise Error.new(result, ERRORS[error_index])
  end
  result
end