function varargout = NIDAQ(varargin)% NIDAQ M-file for NIDAQ.fig%      NIDAQ, by itself, creates a new NIDAQ or raises the existing%      singleton*.%%      H = NIDAQ returns the handle to a new NIDAQ or the handle to%      the existing singleton*.%%      NIDAQ('CALLBACK',hObject,eventData,handles,...) calls the local%      function named CALLBACK in NIDAQ.M with the given input arguments.%%      NIDAQ('Property','Value',...) creates a new NIDAQ or raises the%      existing singleton*.  Starting from the left, property value pairs are%      applied to the GUI before NIDAQ_OpeningFcn gets called.  An%      unrecognized property name or invalid value makes property application%      stop.  All inputs are passed to NIDAQ_OpeningFcn via varargin.%%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one%      instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help NIDAQ% Last Modified by GUIDE v2.5 06-Mar-2009 10:32:34% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name',       mfilename, ...                   'gui_Singleton',  gui_Singleton, ...                   'gui_OpeningFcn', @NIDAQ_OpeningFcn, ...                   'gui_OutputFcn',  @NIDAQ_OutputFcn, ...                   'gui_LayoutFcn',  [] , ...                   'gui_Callback',   []);if nargin && ischar(varargin{1})    gui_State.gui_Callback = str2func(varargin{1});endif nargout    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});else    gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before NIDAQ is made visible.function NIDAQ_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject    handle to figure% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% varargin   command line arguments to NIDAQ (see VARARGIN)% Choose default command line output for NIDAQhandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes NIDAQ wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = NIDAQ_OutputFcn(hObject, eventdata, handles) % varargout  cell array for returning output args (see VARARGOUT);% hObject    handle to figure% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Get default command line output from handles structurevarargout{1} = handles.output;function edit1_Callback(hObject, eventdata, handles)% hObject    handle to edit1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit1 as text%        str2double(get(hObject,'String')) returns contents of edit1 as a double% --- Executes during object creation, after setting all properties.function edit1_CreateFcn(hObject, eventdata, handles)% hObject    handle to edit1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: edit controls usually have a white background on Windows.%       See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))    set(hObject,'BackgroundColor','white');endfunction edit2_Callback(hObject, eventdata, handles)% hObject    handle to edit2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit2 as text%        str2double(get(hObject,'String')) returns contents of edit2 as a double% --- Executes during object creation, after setting all properties.function edit2_CreateFcn(hObject, eventdata, handles)% hObject    handle to edit2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: edit controls usually have a white background on Windows.%       See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))    set(hObject,'BackgroundColor','white');endfunction edit3_Callback(hObject, eventdata, handles)% hObject    handle to edit3 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit3 as text%        str2double(get(hObject,'String')) returns contents of edit3 as a double% --- Executes during object creation, after setting all properties.function edit3_CreateFcn(hObject, eventdata, handles)% hObject    handle to edit3 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: edit controls usually have a white background on Windows.%       See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))    set(hObject,'BackgroundColor','white');end% --- Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)% hObject    handle to pushbutton1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)clcai = analoginput('nidaq','Dev1');           % Defining an analog objectch = get(handles.edit1,'String');         % Determining number of channelschann = str2double (ch);addchannel(ai,1:chann);dur = get(handles.edit2,'String');          % Duration of sessionduration = str2double (dur);    sr = get(handles.edit3,'String');           % Sampling Ratesprate = str2double (sr);set (ai,'SampleRate',sprate);actual = get(ai,'SampleRate');set(ai,'SamplesPerTrigger',duration*actual);    % Samples Per Triggerh = waitbar (0,'Please wait... ');start(ai);  data = getdata(ai);for i=1:1000                                % Wait bar definition    waitbar(i/1000,h); endclose(h);fid = fopen ('data.txt','w');fprintf (fid, 'Data and Time \t\t%s',datestr(now));fprintf (fid, '\n\n ================================================= ');fprintf (fid, '\n\t DATA ACQUISITION BY NIDAC CARD');fprintf (fid, '\n ================================================= \n\n');[r,c]=size(data);for n = 1:c    fprintf (fid,' Channel %d\t',n);endfprintf (fid,'\n');for i=1:r    fprintf(fid,'%s\n',num2str(data(i,:)));endfclose (fid);for m =1:c    figure,plot(data(:,m)),title(sprintf('Data from Channel %d', m));enddelete (ai);clear all% --- Executes on button press in pushbutton2.function pushbutton2_Callback(hObject, eventdata, handles)% hObject    handle to pushbutton2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)