Class: Subduino::ArdIO

Inherits:
Object
  • Object
show all
Defined in:
lib/subduino/ard_io.rb

Class Method Summary collapse

Class Method Details

.read(&proc) ⇒ Object

Read I/O

Starts a thread that loops fetching serial bytes. It’ll buffer it up until a n or r char are found. Feed it with a block to read the text.



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# File 'lib/subduino/ard_io.rb', line 22

def read(&proc)
  Log.info "[USB] Found Device...#{serial.port}"
  Log.info "[USB] Starting Connect..." + serial.sp.get_modem_params.map { |k,v| "#{k}: #{v}" }.join(" ")
  # Log.info "[USB] Read Timeout #{sp.read_timeout}" # {sp.write_timeout}"

  if serial.up?
    @iothread ||= Thread.new do
      # Thread.current.abort_on_exception = false
      icache = []
      loop do
        begin
          while char = @serial.read
            if !char.valid_encoding?
              bytes = char.bytes.to_a
              hexes = bytes.map { |b| b.to_s(16) }
              puts " - Bad char #{char} - (Hex: #{char.unpack('H')} | Byte(s) #{bytes} | Hexe(s) #{hexes}"
            # elsif char !~ /\n|\r/
            #   # print char if Debug
            #   icache << char
            else
              #data = icache.join(""); icache = []
              data = char
              unless data.empty?
                Log.info "[IO  RX] #{data}"
                proc.call(data)
              end
            end
            # sleep 1
          end
        rescue => e
          Log.error "[USB] Error #{e}"
          Log.error e.backtrace.join("\n")
          stop!
          exit 1
        end
      end
    end
  end

end

.serial ⇒ Object

Serial Port

Direct access to the SerialPort instance.



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# File 'lib/subduino/ard_io.rb', line 11

def serial
  @serial ||= Serial.new(Opts[:bauds])
end

.stop! ⇒ Object

Finish Him!



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# File 'lib/subduino/ard_io.rb', line 79

def stop!
  serial.kill
  Thread.kill @iothread
  Log.info "[IO] K.I.A"
end

.write(msg) ⇒ Object

Write I/O

Prints bytes to the serial port. It’ll use subduino convention of n to end the message. Use #sp to write directly to the port. ‘ArdIO.sp.puts (’hi’)‘



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# File 'lib/subduino/ard_io.rb', line 70

def write(msg)
  Log.info "[IO  TX] #{msg}"
  serial.write(msg)
end