#!/usr/bin/env ruby
 
dir = File.dirname(__FILE__) + '/../lib'
$LOAD_PATH << dir unless $LOAD_PATH.include?(dir)
 
require 'rubygems'
require 'rb232'
require 'rb232/text_protocol'
 
class SimpleClient
  def update(message)
    puts("Message received:")
    puts(message)
  end
end
 
require 'optparse'
 
# Command-line options - just baud rate and separator for now
options = {:port => '/dev/ttyS0', :baud_rate => 9600, :separator => "\n"}
OptionParser.new do |opts|
  opts.on("-p", "--serial_port SERIAL_PORT", "serial port") do |p|
    options[:port] = p
  end  
  opts.on("-b", "--baud_rate BAUD_RATE", "baud rate") do |b|
    options[:baud_rate] = b.to_i
  end  
  opts.on("-s", "--separator SEPARATOR", "message separator character") do |s|
    options[:separator] = s
  end  
end.parse!
 
port = RB232::Port.new(options[:port], :baud_rate => options[:baud_rate].to_i)
 
protocol = RB232::TextProtocol.new(port, options[:separator])
client = SimpleClient.new
protocol.add_observer(client)
 
# Start receiving messags
protocol.start
 
# Wait a while
sleep(30)
 
# OK, finish now
protocol.stop