Contents

module ArduinoIrRemote
  class Device
    include EventEmitter
    attr_accessor :temp_pin
    attr_reader :status

    def initialize(port)
      @status = Status::CLOSE
      @state = nil
      @serial = SerialPort.new(port, 57600, 8, 1, SerialPort::NONE) # 57600bps, 8bit, stopbit1, parity-none
      @status = Status::OPEN
      Thread.new do
        while status == Status::OPEN do
          process_input @serial.gets.strip
        end
      end
      @temp_pin = 0
      @analogs = Array.new 6, 0
      sleep 3
    end

    def close
      return if status == Status::CLOSE
      @status = Status::CLOSE
      @serial.close
    end

    public
    def write(data)
      "w#{data}W".split(//).each do |c|
        @serial.write c
        sleep 0.001
      end
    end

    def read(&block)
      once :__ir_read, &block if block_given?
      @serial.write "r"
    end

    def analog_read(pin)
      @analogs[pin]
    end

    def temp_sensor
      analog_read(@temp_pin).to_f*5*100/1024
    end

    def wait(&block)
      loop do
        if block_given?
          yield
        else
          sleep 1
        end
      end
    end

    private
    def process_input(input)
      case input
      when "READ"
        @state = :read
        return
      when "WRITE"
        @state = :write
        return
      when /^ANALOG\d+$/
        @state = input
      end

      case @state
      when :read
        if input =~ /^[\d,]+$/
          emit :__ir_read, input
          emit :read, input
        end
      when :write
        if input =~ /^[\d,]+$/
          emit :write, input
        end
      when /^ANALOG\d+$/
        if input =~ /^\d+$/
          pin = @state.scan(/(\d+)$/)[0][0].to_i
          @analogs[pin] = input.to_i
        end
      else
      end
      emit :data, input
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
arduino_ir_remote-0.1.1	lib/arduino_ir_remote/ir_remote.rb
arduino_ir_remote-0.1.0	lib/arduino_ir_remote/ir_remote.rb
arduino_ir_remote-0.0.3	lib/arduino_ir_remote/ir_remote.rb
arduino_ir_remote-0.0.2	lib/arduino_ir_remote/ir_remote.rb