awgseqind.m

function seqind = awgseqind(pulses,rep)
% seqind = awgseqind(pulses, rep)
% Find the pulse line associated with a pulse group or pulse index.
% negative for groups, positive for pulse index.

% (c) 2010 Hendrik Bluhm.  Please see LICENSE and COPYRIGHT information in plssetup.m.


global awgdata;
if isstruct(pulses)
    rep=[pulses.rep];
    pulses=[pulses.pulses];
elseif ischar(pulses)
    pulses = {pulses};
end
    
seqind = nan(1, length(pulses));
for i = 1:length(pulses)
     if iscell(pulses) % could allow ints as well
         ind = strmatch(pulses{i}, {awgdata(1).pulsegroups.name}, 'exact');
         if isempty(ind) % no such group
              seqind(i) = nan;
         else
             seqind(i) = awgdata(1).pulsegroups(ind).seqind;
         end
     elseif pulses(i) > 0
         if(exist('rep', 'var'))
             ind = find(pulses(i) == awgdata(1).seqpulses);
             ind=ind(rep(i));
         else
             ind = find(pulses(i) == awgdata(1).seqpulses, 1);
         end
         if ~isempty(ind)
             seqind(i) = ind;
         end
     else
         seqind(i) = awgdata(1).pulsegroups(-pulses(i)).seqind;
     end
end
if any(isnan(seqind))
    fprintf('WARNING: Some pulses not present in sequence.\nHit Ctrl-C to abort, or any key to continue.\n');
    pause;
end