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function configOUT = PR655config(configIN)
% Update PR-655 configuration according to configIN. If no input is provided, return the current
% configuration string.
% [configIN] can be in form of the string returned from PR655config, or a cell containing values
% ordered { Units, Exposure, N Samples, CIE Observer, Sync Mode, Frequency }.
%
% 02/09/09 tbc Wrote it.
%
global g_serialPort;
% If no inputs, get current state of PR-655 and return string
if nargin == 0
flush = PR655read;
PR655write('D601')
configOUT = PR655read;
return
end
% otherwise, parse string input and configure PR
if ~iscell(configIN)
configIN = textscan(configIN,'%s','delimiter',',');
configIN = configIN{1}([end-7,end-4:end],:);
end
% Setting suffix for PR setting commands
% U = units, E = exposure, N = n samples, O = CIE observer, S = sync mode, K = freq.
sufx = 'UENOSK';
for j = 1:length(configIN)
if ischar(configIN{j})
cmdStr = ['S',sufx(j),configIN{j}];
else
cmdStr = ['S',sufx(j),num2str(configIN{j})];
end
PR655write(cmdStr)
tmp = PR655read;
if str2num(tmp) ~=0
disp(['Error: could not write ',cmdStr,' to PR-655. Config aborted.'])
configOUT = tmp;
return
end
end
PR655write('D601')
configOUT = PR655read;
return
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