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 



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

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

  #
  # Read I/O
  #
  @iothread ||= Thread.new do
    Thread.current.abort_on_exception = false
    icache = []

    loop do
      begin
        while char = sp.getc
          if char !~ /\n|\r/
            icache << char
          else
            data = icache.join(""); icache = []
            if data =~ /:/
              proc.call(data)
              Log.info "[SENSOR] #{data}"
            else
              proc.call(data) unless data.empty?
              # Log.info "[INPUT] Done."
            end
          end
        end
        sleep 1
      rescue => e
        Log.error "[USB] Error #{e}"
        Log.error e.backtrace.join("\n")
      end
    end
  end
end

.sp ⇒ Object 



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# File 'lib/subduino/ard_io.rb', line 6

def sp
  @sp ||= SerialPort.new(Arduino.find_usb, BAUDS) #, DATA_BITS, DATA_STOP, parity)
  # @sp.read_timeout = 10;# @sp.write_timeout = 10
end

.stop! ⇒ Object 



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# File 'lib/subduino/ard_io.rb', line 54

def stop!
  sp.close
end

.write(msg) ⇒ Object 



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# File 'lib/subduino/ard_io.rb', line 47

def write(msg)
  Log.info "[IO  TX] #{msg}"
  txt = msg.gsub("\n", "\r")
  txt += "\r" unless txt =~ /^\\r/
  sp.write(txt)
end