Module: NewFirmware

Defined in:
lib/sensors/basic_message_arduino_sensor.rb

Defined Under Namespace

Classes: Logger

Instance Method Summary collapse

Instance Method Details

#false_start ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 105

def false_start
  @t&&@t['false_start']
end

#finish_times ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 89

def finish_times
  @t['finish_times'] || []
end

#handshake ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 115

def handshake()
  stop
  @handshake ||= 0
  @handshake = @handshake <= 2**16-1 ? @handshake+1 : 0
  begin
  Timeout.timeout(1.0){
    @f.flush
    @f.puts "!a:#{@handshake}"
    log "ping: #{@handshake}"
    handshake_status = nil
    while !handshake_status do
      line = @f.readline
      handshake_status = line if line =~ /^A:#{@handshake}/
    end
    log "pong: #{handshake_status}"
  }
  rescue Timeout::Error
    log "the arduino is unplugged!"
    raise MissingArduinoError
  end
  true
end

#racers ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 93

def racers
  if @t
    @t['racers'] || [[],[],[],[]]
  else
   [[],[],[],[]]
  end
end

#send_countdown ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 22

def send_countdown
  begin
    Timeout.timeout(1.0){
      @f.flush
      @f.puts "!c:4"
      log "setting countdown"
      @countdown_status = nil
      while !@countdown_status do
        line = @f.readline
        @countdown_status = line if line =~ /^C:4/
      end
      log "countdown status: #{@countdown_status}"
    }
  rescue Timeout::Error
    log "Timeout setting countdown"
    raise ErrorSettingLength
  end
end

#send_length(ticks) ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 2

def send_length(ticks)
  begin
    Timeout.timeout(1.0){
      @f.flush
      @f.puts "!l:#{ticks}"
      log "setting length"
      @length_status = nil
      while !@length_status do
        line = @f.readline
        @length_status = line if line =~ /^L:#{ticks}/
      end
      log "length status: #{@length_status}"
    }
  rescue Timeout::Error
    log "Timeout setting length"
    raise ErrorSettingLength
  end
  send_countdown
end

#start ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 41

def start
  @t.kill if @t
  @t = Thread.new(Thread.current) do |parent|
    @f.puts "!g"
    Thread.current["racers"] = [[],[],[],[]]
    Thread.current["finish_times"] = []
    Thread.current["false_start"] = nil
    @f.flush
    while true do
      l = @f.readline
      if l=~/:/
        if l =~ /0:/
          Thread.current["racers"][0] =  [0] * l.gsub(/0: /,'').to_i
        end
        if l =~ /1:/
          Thread.current["racers"][1] =  [1] * l.gsub(/1: /,'').to_i
        end
        if l =~ /2:/
          Thread.current["racers"][2] =  [2] * l.gsub(/2: /,'').to_i
        end
        if l =~ /3:/
          Thread.current["racers"][3] =  [3] * l.gsub(/3: /,'').to_i
        end
        if l =~ /0f:/
          Thread.current["finish_times"][0] = l.gsub(/0f: /,'').to_i
        end
        if l =~ /1f:/
          Thread.current["finish_times"][1] = l.gsub(/1f: /,'').to_i
        end
        if l =~ /2f:/
          Thread.current["finish_times"][2] = l.gsub(/2f: /,'').to_i
        end
        if l =~ /3f:/
          Thread.current["finish_times"][3] = l.gsub(/3f: /,'').to_i
        end
        if l =~ /t:/
          Thread.current["time"] = l.gsub(/t: /,'').to_i
        end
        if l =~ /F:/
          Thread.current["false_start"] = l.gsub(/F:/,'').to_i
        end
      end
      log l
    end
  end
  self
end

#stop ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 109

def stop
  @f.puts '!s'
  @f.flush
  @t.kill if @t
end

#time ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 101

def time
  @t['time'] || 0
end