Module: LegacyFirmware

Defined in:
lib/sensors/basic_message_arduino_sensor.rb

Instance Method Summary collapse

Instance Method Details

#finish_times ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 227

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

#racers ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 231

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

#send_length(ticks) ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 162

def send_length(ticks)
  begin
    Timeout.timeout(1.0){
      @f.flush
      @f.putc ?l
      @f.putc(ticks % 256)
      @f.putc(ticks / 256)
      @f.putc ?\r
      puts "setting length"
      @length_status = @f.readline
      puts "length status: #{@length_status}"
    }
  rescue Timeout::Error
    puts "Timeout setting length"
  else
    #TODO raise an ErrorReceivingTickLength and catch it in the app like
    #   we do with a missing arduino error.
    #raise @length_status unless @length_status=~/OK/
  end
end

#start ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 183

def start
  @t.kill if @t
  @t = Thread.new do
    @f.putc 'g'
    Thread.current["racers"] = [[],[],[],[]]
    Thread.current["finish_times"] = []
    @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
      end
      puts l
    end
  end
  self
end

#stop ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 239

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

#time ⇒ Object 


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# File 'lib/sensors/basic_message_arduino_sensor.rb', line 235

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