Contents

module Minilab
  class DigitalAuxportIo #@private
    constructor :minilab_wrapper
    include MinilabConstants

    VALID_PINS = %w[ DIO0 DIO1 DIO2 DIO3 ]

    def read_digital(pin)
      validate_pin(pin)
      configuration = {:direction => DIGITALIN, :pin => get_pin_number(pin)}

      @minilab_wrapper.configure_auxport(configuration)
      @minilab_wrapper.read_auxport(get_pin_number(pin))
    end

    def write_digital(pin, value)
      raise "#{value} is not a valid digital output." if (value < 0)
      value = 1 if (value > 0)

      validate_pin(pin)
      configuration = { :direction => DIGITALOUT, :pin => get_pin_number(pin)}

      @minilab_wrapper.configure_auxport(configuration)
      @minilab_wrapper.write_auxport(get_pin_number(pin), value)
    end

    private
    def validate_pin(pin)
      raise "#{pin} is not a valid digital IO pin" unless VALID_PINS.include?(pin.to_s.upcase)
    end

    def get_pin_number(pin)
      pin.match(/(\d)$/)[0].to_i
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
minilab-2.0.1-x86-mingw32	lib/minilab/digital_auxport_io.rb