vb_eeginfo_get_trigger_status_label

 recognize trigger and status channel by label of transducer
 [usage]
   [idx, label] = vb_eeginfo_get_trigger_status_label(EEGinfo, trans)
 [input]
   EEGinfo : <required> current EEGinfo struct
     trans : <optional> Transduser field of EEGinfo.head (cell array)
           : ['Triggers and Status']
 [output]
       idx : indeces of trigger (1 x N)
     label : trigger channel label (cell array)
 [note]
   
 [history]
   2007-08-02 (Sako) initial version

 Copyright (C) 2011, ATR All Rights Reserved.
 License : New BSD License(see VBMEG_LICENSE.txt)

0001 function  [idx, label] = vb_eeginfo_get_trigger_status_label(EEGinfo, trans)
0002 % recognize trigger and status channel by label of transducer
0003 % [usage]
0004 %   [idx, label] = vb_eeginfo_get_trigger_status_label(EEGinfo, trans)
0005 % [input]
0006 %   EEGinfo : <required> current EEGinfo struct
0007 %     trans : <optional> Transduser field of EEGinfo.head (cell array)
0008 %           : ['Triggers and Status']
0009 % [output]
0010 %       idx : indeces of trigger (1 x N)
0011 %     label : trigger channel label (cell array)
0012 % [note]
0013 %
0014 % [history]
0015 %   2007-08-02 (Sako) initial version
0016 %
0017 % Copyright (C) 2011, ATR All Rights Reserved.
0018 % License : New BSD License(see VBMEG_LICENSE.txt)
0019 
0020 % --- CHECK ARGUMENTS --- %
0021 if ~exist('EEGinfo', 'var'), EEGinfo = []; end;
0022 if ~exist('trans', 'var'), trans = []; end;
0023 [EEGinfo, trans] = inner_check_arguments(EEGinfo, trans);
0024 
0025 
0026 % --- MAIN PROCEDURE --------------------------------------------------------- %
0027 %
0028 vb_define_device;
0029 
0030 idx = [];
0031 label = [];
0032 
0033 transducers = EEGinfo.header.Transducer;
0034 label_base = vb_eeginfo_get_channel_label(EEGinfo);
0035 
0036 for nt = 1:size(transducers,2)
0037   if strcmp(deblank(transducers(nt,:)), trans)
0038     next_idx = size(label,2) + 1;
0039     label{next_idx} = label_base{nt};
0040     idx = [idx,nt];
0041   end
0042 end
0043 
0044 return;
0045 %
0046 % --- END OF MAIN PROCEDURE -------------------------------------------------- %
0047 
0048 
0049 % --- INNER FUNCTIONS -------------------------------------------------------- %
0050 %
0051 % --- inner_check_arguments()
0052 %
0053 function [EEGinfo, trans] = inner_check_arguments(EEGinfo, trans)
0054 func_ = mfilename;
0055 
0056 vb_define_device;
0057 
0058 if isempty(EEGinfo)
0059   error('(%s)EEGinfo is a required parameter', func_);
0060 end
0061 
0062 if isempty(trans)
0063   trans = {EEG_TRIGGER_CHANNEL};
0064 end
0065 %
0066 % --- end of inner_check_arguments()
0067 
0068 %%% END OF FILE %%%