ButtonBoxes

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Presentation Settings

File:Buttonbox1.png

Psychopy Settings

 #!/usr/bin/env python

 from psychopy import core, visual, event from rusocsci import buttonbox import logging, time

 ##Setup Section
 #logging.getLogger().setLevel(logging.DEBUG) # use this for debug info

 win = visual.Window([400,300], monitor="testMonitor") bb = buttonbox.Buttonbox()

 ##Experiment Section

 b = bb.waitButtons(maxWait = 10.0, buttonList=['A']) print("b: {}".format(b))

 ##Cleanup Section

 core.quit() The following script lights the LEDs under the buttons pressed.

 #!/usr/bin/env python
 #from __future__ import print_function

 import logging, time, sys from rusocsci import buttonbox

 ##Setup Section

 led = [False]*8

 ##Experiment Section

 bb = buttonbox.Buttonbox() while True:

  buttons = bb.getButtons()
  if len(buttons):
  for c in buttons:
  if ord(c) >= ord('a') and ord(c) < ord('a')+8:
  led[ord(c) - ord('a')] = False
  elif ord(c) >= ord('A') and ord(c) < ord('A')+8:
  led[ord(c) - ord('A')] = True
  bb.setLeds(led)
  #print("buttons ({:3d}): {}{}".format(len(buttons), buttons, " "*50), end="\r")
  #sys.stdout.flush()

Matlab Settings

 ===================================================================================================

 function handle = serial_buttonbox_common(cmd,varargin)

 % to initialize connection:

 % handle = serial_buttonbox('open',se)

 %    settings (se):

 %       define settings as a structure, i.e.:

 %       se.Device    = 'COM1';

 %       se.BaudRate  = 115200;

 %       se.DataBits  = 8;

 %       se.StopBits  = 1;

 %       se.Parity    = 0;

 %       se.PTBPath   = 'c:\MyToolboxes\PsychToolbox'

 %

 % to close the connection:

 % serial_buttonbox('close',handle);

 

 persistent old_hdl

 

 % set defaults

 se.Device    = 'COM1';

 se.BaudRate  = 115200;

 se.DataBits  = 8;

 se.StopBits  = 1;

 se.Parity    = 0;

 se.PTBPath   = 'c:\Pgrogram Files\PsychToolbox';

 

 if nargin < 1

   cmd = 'open';

 end

 if nargin > 1

   % user overwrites default settings

   flds = fields(varargin{1});

   for n = 1 : numel(flds)

      se.(flds{n}) = varargin{1}.(flds{n});

   end

 end

 

 

 switch cmd

   case 'open'

      addpath(genpath(se.PTBPath));

      % get handle to serial device

      handle = open_buttonbox(se.Device);

      return

   case 'close'

      handle = varargin{1};

      IOPort('close',handle);

      return

   case 'run'

      % read incoming data

      if isempty(old_hdl)

         help serial_buttonbox_common

         error('Buttonbox not yet initialized');

      end

      handle = old_hdl;

   otherwise

      fprintf('Unknown option %s\n',cmd);

      return

 end

 

 % only gets here when cmd = 'run'

 while 1  

   % start polling for characters (indicating start of scan)

   navailable = IOPort('BytesAvailable', handle);

   if navailable

      data = [];

      while navailable

         % read incoming data

         [newdata, ~, err] = IOPort('Read', handle, 0, navailable);

         if ~isempty(err), disp(err); end

         data = [data newdata];

         %pause(0.001); % if possible just add a small pause to not claim entire core

         navailable = IOPort('BytesAvailable', handle);

      end

      if numel(data)>1

         fprintf('\nReceived characters: %d\n',numel(data));

      end

      for n = 1 : numel(data)

%        disp(char(data(n)));

         fprintf('incoming: %d\t%s\n',data(n),char(data(n)));

      end

   end

   

   

 end %while 1

 

   function hdl = open_buttonbox(device)

      % open handle to serial device (mini buttonbox)

      try

         hdl = IOPort('OpenSerialPort',device,['BaudRate=' num2str(se.BaudRate)]);

      catch

         if ~isempty(old_hdl)

            IOPort('close',old_hdl);

         end

         hdl = IOPort('OpenSerialPort',device,['BaudRate=' num2str(se.BaudRate)]);

      end

      old_hdl = hdl;

      

      fprintf('Wait for device buttonbox....\n');

      tic

      while ~IOPort('BytesAvailable', hdl) && toc<10

         % wait for welcome message device

      end

      pause(0.5);

 

      % clear buffer

      %IOPort('flush', hdl);

      IOPort('purge', hdl);

   end

 

 end