axes(handles.tempplot);
s = daq.createSession('ni') % Create a DAQ Session for the NI DAQ card
s.addAnalogInputChannel('Dev1','ai0','Voltage');
% Add a NI Device (Dev1),
% add an analog input% channel (ai0) and
% specify it as a Voltage
% inputs.Rate = 20;
% Specify the sampling
% rate (20 Hz here)
listboxItems = get(handles.timerange, 'String');
% Get the user selected values from timerange as a string and
% store as array
trange=get(handles.timerange,'Value');
% Get the user selected value by the
% time range box
selectedItem = str2double(listboxItems(trange));
% Obtain string and convert
s.DurationInSeconds = selectedItem;
% Specify the duration in
% seconds based on selected
valuedata = s.startForeground();
% Start data logging.
% Data will be stored in
% the variable "data"
k = s.Rate*s.DurationInSeconds;
% Specify the size of the
% array that stores the
% time stamps
time(1) = 0;
% Initialize the 1st
% element of the time
% stamps as zero
for i=1:k-1
time(i+1) = time(i) + 1/s.Rate;
% Compute the values of
% the time stamps and
% store the values in the
% "time" array
end
scale = [transpose(time), data];
% Store the transpose of
% "time" and "data" in the
% 2-D array "scale"
hold all
plot(time.', data)
% Plot a time plot of the
% load cell data