Module: Milight::BridgeBox

Defined in:
lib/milight/bridge_box.rb

Constant Summary collapse

MILIGHT_WIFI = 
/^10\.10\.100\.[0-9]+$/
SERVER_IP = 
'10.10.100.254'
RECEIVE_IP = 
"0.0.0.0"
PORT = 
'48899'

Class Method Summary collapse

Class Method Details

.choice_ssid(ssids) ⇒ Object 



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# File 'lib/milight/bridge_box.rb', line 128

def self.choice_ssid ssids
  puts '', '-'*20
  puts " no: 'ssid' (security types)"
  ssids.each.with_index do |s, idx|
    num = '%#2d' % (idx+1)
    puts " #{num}: '#{s[:ssid]}' (#{s[:sec]})"
  end
  puts '-'*20, ''
  puts <<-DESC
    Choise your SSID(no).
    but if your Access point not found, restart app
  DESC

  while true
    msg = ">> input your SSID no(1-#{ssids.size-1}) > "
    num = Readline.readline(msg).chomp.to_i
    if num == 0
      next      # 0 or nil (not a number)
    elsif !(1..ssids.size).cover? num
      puts <<-MSG
        invalid number : '#{num}'
        exit.
      MSG
      exit 0
    end
    return ssids[num-1]
  end
end

.milight_wifi?(ipaddr) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/milight/bridge_box.rb', line 91

def self.milight_wifi? ipaddr
  !(ipaddr && MILIGHT_WIFI =~ ipaddr).nil?
end

.security_key ⇒ Object 



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# File 'lib/milight/bridge_box.rb', line 157

def self.security_key
  while true
    msg = '>> Input security key > '
    key = Readline.readline(msg).chomp
    if key != ""
      return key
    end
  end
end

.setup ⇒ Object 



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# File 'lib/milight/bridge_box.rb', line 11

def self.setup
  puts "-- Please connect wifi 'milight_XXXXXXX'."

  if self.wait_connection true
    puts '... milight connected.'
  else
    puts <<DESC
milight wifi connection timeout (1min)
if milight wifi not found, initialize your controller box.
DESC
    exit 1
  end

  sock = self.socket

  t1 = Thread.new do
    self.wait_wscan_results
  end

  sleep 1
  puts '-- send command: WSCAN ....'
  sock.command "Link_Wi-Fi"
  sock.command "+ok"
  sock.command "AT+WSCAN\r"

  t1.join

  wlans = t1.value.split "\n"

  wlans.shift   # ignore header
  ssids = wlans.map do |line|
    ch, ssid, _, sec, _ = line.split ','
    if ssid.is_a?(String) && ssid.length > 1
      {ch: ch, ssid: ssid, sec: sec}
    end
  end.compact

  ssid = self.choice_ssid ssids
  puts "-- set wifi SSID : '#{ssid[:ssid]}'"
  sock.command "AT+WSSSID=#{ssid[:ssid]}\r"

  key = self.security_key
  puts "-- set wifi security key : '#{key}'"
  sock.command "AT+WSKEY=WPA2PSK,AES,#{key}\r"

  sock.command "AT+WMODE=STA\r"
  sock.command "AT+Z\r"
  sock.command "AT+Q\r"

  sock.close


  if self.wait_connection false
    puts <<DESC
... miligt wifi disconnected.
check your controller box led!

DESC
  else
    puts ' milight wifi connection still connected'
    exit 1
  end
end

.socket ⇒ Object 



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# File 'lib/milight/bridge_box.rb', line 95

def self.socket
  sock = UDPSocket.open
  sock.setsockopt(
    Socket::SOL_SOCKET,
    Socket::SO_BROADCAST,
    1
  )
  def sock.command msg
    self.send msg, 0, SERVER_IP, PORT
  end
  sock
end

.wait_connection(milight = true) ⇒ Object 



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# File 'lib/milight/bridge_box.rb', line 75

def self.wait_connection(milight = true)
  20.times do
    sleep 3
    if ipaddr = Milight::Util.current_ipaddr
      print '.'
    else
      print '-'
    end

    if self.milight_wifi?(ipaddr) == milight
      return true
    end
  end
  false
end

.wait_wscan_results ⇒ Object 



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# File 'lib/milight/bridge_box.rb', line 108

def self.wait_wscan_results
  puts '-- waiting receive response: WSCAN ....'
  rsock = UDPSocket.new
  rsock.bind(RECEIVE_IP, PORT)
  string = nil

  sel = IO::select([rsock])
  if sel != nil
    sel[0].each do |s|
      data = s.recvfrom_nonblock(65535)
      string = data[0].chomp!
    end
  else
    puts '-- not received ....'
    exit 1
  end
  rsock.close
  string.gsub(/\+ok=\n/, '')
end