Class: Rbbit::Microbit

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

Overview

Class Library

Constant Summary collapse

TONE = 
{
  C3:   131 ,  # do3
  Cs3:  139 ,  # do#3
  D3:   147 ,  # re3
  Ds3:  156 ,  # re#3
  E3:   165 ,  # mi3
  F3:   175 ,  # fa3
  Fs3:  185 ,  # fa#3
  G3:   196 ,  # so3
  Gs3:  208 ,  # so#3
  A3:   220 ,  # la3
  As3:  233 ,  # la#3
  B3:   247 ,  # ti3
  C4:   262 ,  # do4
  Cs4:  277 ,  # do#4
  D4:   294 ,  # re4 
  Ds4:  311 ,  # re#4
  E4:   330 ,  # mi4
  F4:   349 ,  # fa4
  Fs4:  370 ,  # fa#4
  G4:   392 ,  # so4
  Gs4:  415 ,  # so#4
  A4:   440 ,  # la4
  As4:  466 ,  # la#4
  B4:   494 ,  # ti4
  C5:   523 ,  # do5
  Cs5:  554 ,  # do#5
  D5:   587 ,  # re5
  Ds5:  622 ,  # re#5
  E5:   659 ,  # mi5
  F5:   698 ,  # fa5
  Fs5:  740 ,  # fa#5
  G5:   784 ,  # so5
  Gs5:  831 ,  # so#5
  A5:   880 ,  # la5
  As5:  932 ,  # la#5
  B5:   988 ,  # ti5
  C6:  1047 ,  # do6
}
WAIT =

do6

0.05

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(port = nil, ws_server = nil) ⇒ Microbit

Returns a new instance of Microbit.

Raises:



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# File 'lib/rbbit.rb', line 155

def initialize(port = nil, ws_server = nil)
  @agent = Agent.new(self, ws_server) if ws_server
  @q     = Queue.new

  @x                    = nil
  @y                    = nil
  @z                    = nil
  @p                    = nil
  @r                    = nil
  @l                    = nil
  @t                    = nil
  @button_down          = {}
  @button_down_last     = {}
  @button_press         = {}
  @button_release       = {}
  @button_down[:a]      = nil
  @button_down[:b]      = nil
  @button_down_last[:a] = nil
  @button_down_last[:b] = nil
  @button_press[:a]     = nil
  @button_press[:b]     = nil
  @button_release[:a]   = nil
  @button_release[:b]   = nil

  @on_press_a           = nil
  @on_press_b           = nil
  @on_release_a         = nil
  @on_release_b         = nil

  @volume               = 127
  @bpm                  = 120   # ウェイト調整のため、この値で明示的に初期化(initialize末尾)

  @continue_thread      = nil
  @continue_loop        = nil

  @port     = port || ENV['MB_PORT']
  baud_rate = 115200
  data_bits = 8
  stop_bits = 1
  parity    = 0

  raise Rbbit::Error, "serialport 'nil' is not available" unless @port

  begin
    @sp = SerialPort.open(@port, baud_rate, data_bits, stop_bits, parity)
  rescue => e
    #Kernel.puts e
    #exit
    raise Rbbit::Error, "serialport '#{@port}' is not available"
  end
  Kernel.sleep 0.5

  # -- for write
  @thread_w = Thread.new do
    loop do
      Thread.pass   # for other threads
      unless @q.empty?
        cmd = @q.pop
        if cmd.class == Array
          @sp.write cmd[0]; Kernel.sleep cmd[1]
        else
          @sp.write cmd
        end
      end
    end
  end

  # -- for read
  @thread_r = Thread.new do
    # Thread.pass
    @sp.read_timeout = 200
    @continue_thread = true
    loop do
      break unless @continue_thread
      Thread.pass   # for other threads
      begin
        value = @sp.readline.chomp.strip.split(',')
        # Kernel.p value
      rescue EOFError
        Kernel.sleep 0.1
        retry
      rescue ArgumentError
        # 回避：`strip': invalid byte sequence in UTF-8 (ArgumentError)
        #       `split': invalid byte sequence in UTF-8 (ArgumentError)
        Kernel.sleep 0.1
        retry
      end

      @x = value[0].to_i
      @y = value[1].to_i
      @z = value[2].to_i
      @p = value[3].to_i          # pitch
      @r = value[4].to_i          # roll
      @l = value[5].to_i          # light
      @t = value[6].to_i          # temp
      @button_down[:a] = (value[7] == "1" ? true : false)
      @button_down[:b] = (value[8] == "1" ? true : false)
      button_status
      event_proc
      if @agent
        senddata = JSON.generate({x: @x,
                                  y: @y,
                                  z: @z,
                                  p: @p,
                                  r: @r,
                                  l: @l,
                                  t: @t,
                                  a_down:    @button_down[:a],
                                  a_press:   @button_press[:a],
                                  a_release: @button_release[:a],
                                  b_down:    @button_down[:b],
                                  b_press:   @button_press[:b],
                                  b_release: @button_release[:b]})
        @agent.send_to_ws senddata
      end
    end
  end

  # -- init
  self.sound_volume = @volume
  self.sound_tempo  = @bpm
end

Instance Attribute Details

#l ⇒ Object (readonly)

Returns the value of attribute l.



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# File 'lib/rbbit.rb', line 153

def l
  @l
end

#p ⇒ Object (readonly)

Returns the value of attribute p.



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# File 'lib/rbbit.rb', line 153

def p
  @p
end

#r ⇒ Object (readonly)

Returns the value of attribute r.



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# File 'lib/rbbit.rb', line 153

def r
  @r
end

#t ⇒ Object (readonly)

Returns the value of attribute t.



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# File 'lib/rbbit.rb', line 153

def t
  @t
end

#x ⇒ Object (readonly)

Returns the value of attribute x.



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# File 'lib/rbbit.rb', line 153

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/rbbit.rb', line 153

def y
  @y
end

#z ⇒ Object (readonly)

Returns the value of attribute z.



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# File 'lib/rbbit.rb', line 153

def z
  @z
end

Instance Method Details

#break ⇒ Object 



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# File 'lib/rbbit.rb', line 304

def break
  Kernel.sleep 0.5         ###
  @continue_loop = false
end

#button_down?(k) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbbit.rb', line 352

def button_down?(k)
  @button_down[k]
end

#close(delay = 0) ⇒ Object 



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# File 'lib/rbbit.rb', line 309

def close(delay = 0)
  @continue_thread = false
  Kernel.sleep 1
  until @q.empty?       # wait for until command queue has been empty
    Kernel.sleep 0.5
    # Kernel.puts "sync #{@q.size}"
  end
  Kernel.sleep 0.5 + delay / 1000
  @thread_w.kill
  @thread_r.kill
  @sp.close
end

#led_off(x = nil, y = nil) ⇒ Object Also known as: off 



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# File 'lib/rbbit.rb', line 378

def led_off(x = nil, y = nil)
  if (x == nil and y == nil)
    @q << ["LEDclr\n", WAIT]
  else
    @q << ["LEDoff#{x}#{y}\n", WAIT]
  end
end

#led_on(x = nil, y = nil) ⇒ Object Also known as: on

Pending… def button_release?(k)

status = @button_release[k]
@button_release[k] = false if @button_release[k]          # avoid continuous judgment
status

end



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# File 'lib/rbbit.rb', line 370

def led_on(x = nil, y = nil)
  if (x == nil and y == nil)
    @q << ["LEDfil\n", WAIT]
  else
    @q << ["LEDon #{x}#{y}\n", WAIT]
  end
end

#led_puts(str) ⇒ Object Also known as: puts 



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# File 'lib/rbbit.rb', line 390

def led_puts(str)
  @q << ["LEDput#{str}\n", WAIT + str.length * 0.5]
end

#led_show(pattern) ⇒ Object Also known as: show 



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# File 'lib/rbbit.rb', line 394

def led_show(pattern)
  ptn = []
  5.times do |j|
    ptn[j] = 0
    5.times do |i|
      ptn[j] += (2 ** (4 - i)) unless pattern[j][i] == 0   # 5-digits to decimal
    end
  end
  #Kernel.p ptn
  @q << ["LEDshw%02d%02d%02d%02d%02d\n" % ptn, WAIT]
end

#led_turn(x, y) ⇒ Object Also known as: turn 



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# File 'lib/rbbit.rb', line 386

def led_turn(x, y)
  @q << ["LEDtrn#{x}#{y}\n", WAIT]
end

#mainloop(&block) ⇒ Object 



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# File 'lib/rbbit.rb', line 294

def mainloop(&block)
  @b = block           # ブロックを登録
  @continue_loop = true
  loop do
    break unless @continue_loop
    @b.call
    Kernel.sleep WAIT  # ブロック１回処理ごとにウェイト
  end
end

#on_press_a(&block) ⇒ Object 



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# File 'lib/rbbit.rb', line 278

def on_press_a(&block)
  @on_press_a = block
end

#on_press_b(&block) ⇒ Object 



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# File 'lib/rbbit.rb', line 286

def on_press_b(&block)
  @on_press_b = block
end

#on_release_a(&block) ⇒ Object 



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# File 'lib/rbbit.rb', line 282

def on_release_a(&block)
  @on_release_a = block
end

#on_release_b(&block) ⇒ Object 



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# File 'lib/rbbit.rb', line 290

def on_release_b(&block)
  @on_release_b = block
end

#port ⇒ Object 



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# File 'lib/rbbit.rb', line 330

def port
  @port
end

#reset ⇒ Object 



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# File 'lib/rbbit.rb', line 326

def reset
  @q << "RESET \n"
end

#sound_play(freq, beat) ⇒ Object Also known as: play 



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# File 'lib/rbbit.rb', line 416

def sound_play(freq, beat)
  @q << ["SNDply%04d%s\n" % [TONE[freq], _beat(beat)], WAIT * 0 + 60.0 / @bpm * beat]   ###
end

#sound_rest(beat) ⇒ Object Also known as: rest 



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# File 'lib/rbbit.rb', line 420

def sound_rest(beat)
  @q << ["SNDrst%s\n" % [_beat(beat)], WAIT + 60.0 / @bpm * beat]
end

#sound_tempo=(bpm) ⇒ Object Also known as: tempo= 



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# File 'lib/rbbit.rb', line 411

def sound_tempo=(bpm)
  @q << ["SNDbpm#{bpm}\n", WAIT]
  @bpm = bpm
end

#sound_volume=(v) ⇒ Object Also known as: volume= 



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# File 'lib/rbbit.rb', line 406

def sound_volume=(v)
  @q << ["SNDvol#{v}\n", WAIT]
  @volume = v
end

#wait(ms) ⇒ Object 



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# File 'lib/rbbit.rb', line 322

def wait(ms)
  @q << ["SLEEP %03d\n" % [ms], WAIT + ms / 1000.0]
end