function varargout = GUI(varargin)%          GUI Application M-file for GUI.fig%        FIG = GUI launch GUI GUI.%              GUI('callback_name', ...) invoke the named callback.%%  Author: Pranam Janney           Date: 15/05/04     Time: 17:50          %  Email: pranamjanney@yahoo.comif nargin == 0  % LAUNCH GUI	fig = openfig(mfilename,'reuse');	% Use system color scheme for figure:	set(fig,'Color',get(0,'defaultUicontrolBackgroundColor'));	% Generate a structure of handles to pass to callbacks, and store it. 	handles = guihandles(fig);        % Initialising structure variables to be used in program    handles.data = 0;           % used for storing the Num_of_samples value    handles.data1 = 0;          % used for storing the Slider values    handles.data3 = 0;          % used for storing the number of times the push button is pressed    handles.data4(1,8) = ' ';       % Array to store the numbers dialled 	handles.chk = 0;            %  To check if the Number of samples is used or not        guidata(fig, handles);	if nargout > 0		varargout{1} = fig;	endelseif ischar(varargin{1}) % INVOKE NAMED SUBFUNCTION OR CALLBACK	try		if (nargout)			[varargout{1:nargout}] = feval(varargin{:}); % FEVAL switchyard		else			feval(varargin{:}); % FEVAL switchyard		end	catch		disp(lasterr);	endend% --------------------------------------------------------------------function varargout = pushbutton1_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesendNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator(1,N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output                                       f = 1 : length(m);axes(handles.G_output) % Select the proper axesplot(f,m)set(handles.G_output,'XMinorTick','on')grid onguidata(h,handles);% --------------------------------------------------------------------function varargout = pushbutton2_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesend       %  Number of samplesNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator(2,N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output                                       f = 1 : length(m);axes(handles.G_output) % Select the proper axesplot(f,m)set(handles.G_output,'XMinorTick','on')grid onguidata(h,handles);% --------------------------------------------------------------------function varargout = pushbutton3_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesendNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator('A',N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output                                       f = 1 : length(m);axes(handles.G_output) % Select the proper axesplot(f,m)set(handles.G_output,'XMinorTick','on')grid onguidata(h,handles);% --------------------------------------------------------------------function varargout = pushbutton4_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesendNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator(3,N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output                                       f = 1 : length(m);axes(handles.G_output) % Select the proper axesplot(f,m)set(handles.G_output,'XMinorTick','on')grid onguidata(h,handles);% --------------------------------------------------------------------function varargout = pushbutton5_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesendNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator(4,N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output                                       f = 1 : length(m);axes(handles.G_output) % Select the proper axesplot(f,m)set(handles.G_output,'XMinorTick','on')grid onguidata(h,handles);% --------------------------------------------------------------------function varargout = pushbutton6_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesendNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator(5,N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output                                       f = 1 : length(m);axes(handles.G_output) % Select the proper axesplot(f,m)set(handles.G_output,'XMinorTick','on')grid onguidata(h,handles);% --------------------------------------------------------------------function varargout = pushbutton7_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesendNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator(7,N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output                                       f = 1 : length(m);axes(handles.G_output) % Select the proper axesplot(f,m)set(handles.G_output,'XMinorTick','on')grid onguidata(h,handles);% --------------------------------------------------------------------function varargout = pushbutton8_Callback(h, eventdata, handles, varargin)% To check for Nif handles.chk == 0    N = 205;else    N = handles.data;           %  Number of samplesendNP = handles.data1;         % Noise Powerhandles.data3 = handles.data3 + 1;  % to keep track of number of times push buttons are used% Generator[x,v,snr] = generator(6,N,NP);size(x);% Display SNRset(handles.edit3,'String',snr)% To plot on GUIf = 1:N;axes(handles.Out_dtmf) % Select the proper axesplot(f,x(1:N))set(handles.Out_dtmf,'XMinorTick','on')grid on% Decoder[D,m] = decoder(x,N);size(m);% To append each dialled digit into an array (max 8 numbers)[handles.data4,handles.data3] = StringNum(handles.data4,D,handles.data3);% After 8th digit the next number is put into first digit placeif handles.data4 == ' '     handles.data4(handles.data3) = D;end% To display the dialled numbers set(handles.edit2,'String',handles.data4);         % The dialled number as decoded by the decoder                                       % is displayed on the edit text% To plot the output