Class: MoodCube::MoodCubeReader

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

Overview

TODO handle different moodcubes!

Instance Method Summary collapse

Constructor Details

#initialize(port = 2343, inet = '') ⇒ MoodCubeReader 



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# File 'lib/moodcube.rb', line 68

def initialize port=2343, inet=''
    @server = UDPSocket.open
    @server.bind(inet, port)
end

Instance Method Details

#listen(&side_switch) ⇒ Object 



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# File 'lib/moodcube.rb', line 73

def listen &side_switch
    moodcube = MoodCube.new(side_switch)
    ip = nil
    oldside = -1
    loop do
        data, sender = @server.recvfrom(6) #, Socket::SO_BROADCAST)
        moodcube.ip_addr = sender[3] # XXX remove this hack if reader
                                     # can handle multiple moodcubes!
        if ip != sender[3]
            ip = sender[3]
            puts "\n--- [#{ip}] --- [#{sender[2]}] ---" if $verbose
        end
        begin
            values = [OpenStruct.new, OpenStruct.new, OpenStruct.new]
            values.each_with_index do |v,n|

                v.raw = data[n*2]<<8|data[n*2+1]
                v.norm = Float(v.raw)/512.0 - 1.0

                moodcube.min[n] = v.norm if moodcube.min[n] > v.norm
                moodcube.max[n] = v.norm if moodcube.max[n] < v.norm
            end

            if $verbose
                printf "%+1.3f %+1.3f %+1.3f  [%+1.3f %+1.3f] [%+1.3f %+1.3f] [%+1.3f %+1.3f]  ",
                    values[0].norm, values[1].norm, values[2].norm, 
                    moodcube.min[0], moodcube.max[0],
                    moodcube.min[1], moodcube.max[1],
                    moodcube.min[2], moodcube.max[2]
            end

            side = identify_side(values)
            moodcube.side_pulse(side)

            printf "%i\n", side if $verbose
        rescue => e
            p e if $verbose
        end
    end
end