diirgui.m

ADSP TOOLBOX: Version 2.0 and gui m-files

function diirgui(mode)
%DIIRGUI Graphical User Interface program for IIR filter design.


% ADSP Toolbox: Version 2.0 
% For use with "Analog and Digital Signal Processing", 2nd Ed.
% Published by PWS Publishing Co.
%
% Ashok Ambardar, EE Dept. MTU, Houghton, MI 49931, USA
% http://www.ee.mtu/faculty/akambard.html
% e-mail: [e-mail]
% Copyright (c) 1998

% Assisted by Craig Borghesani
% http://world.std.com/~borg/



v=matverch;
if v<5,
errordlg('This gui requires MATLAB 5.x and above','Version Error');
return,
end


if nargin == 0, mode = 0; end

if mode ~= 0,
   f = gcf;
   ui = get(f,'userdata');
   filter_uis  = ui(3:4);
   proto_uis   = ui(5:6);
   method_uis  = ui(7:8);
   edge_edt   = ui(11);
   attn_edt   = ui(13);
   samp_uis    = ui(19:20);
   autoplot    = ui(46);
   plot_btn    = ui(47);
   lin_rad     = ui(22);
   autodes     = ui(71);
   mandes     = ui(72);
   mag_axs     = ui(73);
   phs_axs     = ui(17);
   pz_axs=ui(85);
   sig_axs=ui(90);
  curs_btn = ui(25);
  curs_dsp = ui(26:29);
end

if mode == 0,
   grey = [0.5,0.5,0.5];
   ltgrey = grey*1.5;
   dkgrey = grey*0.5;
   offwhite = grey*1.9;
   scrn_size = get(0,'screensize');
   fig_w = 620; fig_h = 450;
   flft = (scrn_size(3) - fig_w)/2;
   fbtm = (scrn_size(4) - fig_h)/2;

   ver_str = version;
   ver4    = length(findstr('4.',ver_str));
   if ver4,
      int_str = 'yes';
      f = figure('pos',[flft,fbtm,fig_w,fig_h],'menubar','none',...
            'name','IIR Filter Design','numbertitle','off',...
            'resize','off','vis','off','interruptible',int_str,...
            'color',dkgrey,'defaultaxesfontsize',10,...
            'defaulttextfontsize',10);
      edt_ht = 18;

   else
      int_str = 'on';
      eval('f = colordef(''new'',''none'');');
      set(f,'pos',[flft,fbtm,fig_w,fig_h],'menubar','none',...
           'name','IIR Filter Design','numbertitle','off',...
           'resize','off','vis','off','interruptible',int_str,...
           'color',dkgrey,'defaultaxesfontsize',8,...
           'defaultuicontrolback',[0.5,0.5,0.5],...
           'defaulttextfontsize',8);
      edt_ht = 20;

   end


%%% OPTIONS: 
   uim(1) = uimenu('label','OPTIONS');
   uim(2) = uimenu(uim(1),'label','Help and Info','callback','diirhlp');
   uim(3) = uimenu(uim(1),'label','Export Data','separator','on',...
                          'callback','diirgui(15)');
   uim(4) = uimenu(uim(1),'label','Print Figure','separator','on',...
                          'callback','printdlg(gcf)');
   uim(5) = uimenu(uim(1),'label','Close and Exit','separator','on',...
                          'callback','close(gcf)');
   uim(6) = uimenu('label','   Axis Limits','separator','on',...
                          'callback','diirgui(17)');
   uim(7) = uimenu('label','   Zoom ON','separator','on',...
                          'callback','diirgui(18)');
   uim(8) = uimenu('label','   Zoom OFF','separator','on',...
                          'callback','diirgui(19)');
   uim(9) = uimenu('label','   RESIZE','callback','diirgui(20)');


%%%%%%


   lft = 9; btm = fig_h - 39;
   ui(1) = uicontrol('style','frame','pos',[4,btm-160,175,190],...
           'back',grey,'fore',ltgrey);

   ui(2) = uicontrol('style','text','pos',[lft,btm+7,160,17],...
           'horiz','left','fore','c','string','Design Specifications');

   btm = btm - 18;
   ui(3) = uicontrol('style','text','pos',[lft,btm,60,17],...
           'string','Filter','horiz','left');
   ui(4) = uicontrol('style','popup','pos',[lft+55,btm,110,20],...
           'string','Lowpass|Highpass|Bandpass|Bandstop',...
           'back','w','value',3,'callback','diirgui(1)');

   btm = btm - 25;
   ui(5) = uicontrol('style','text','pos',[lft,btm,60,17],...
           'string','Type','horiz','left');
   ui(6) = uicontrol('style','popup','pos',[lft+55,btm,110,20],...
           'string','Butterworth|Chebyshev 1|Chebyshev 2|Elliptic',...
           'back','w','value',4,'callback','diirgui(2)');

   btm = btm - 25;
   ui(7) = uicontrol('style','text','pos',[lft,btm,50,17],...
           'string','Method','horiz','left');
   ui(8) = uicontrol('style','popup','pos',[lft+55,btm,110,20],...
           'string',['Bilinear|Impulse Invariant|Matched z|',...
           'Modification 1|Modification 2|Backward difference'],...
           'back','w','callback','diirgui(3)');

   btm = btm - 22;
   ui(9) = uicontrol('style','text','pos',[lft,btm,160,17],...
           'horiz','left','string','Band Edges in Hz');

   btm = btm - 22;
   ui(11) = uicontrol('style','edit','pos',[lft,btm,165,edt_ht],...
           'back','w','string','10, 20, 30, 40','callback','diirgui(4)',...
           'horiz','right');

   btm = btm - 22;
   ui(12) = uicontrol('style','text','pos',[lft,btm,165,17],...
           'horiz','left','string','Attenuation in dB');

   btm = btm - 22;
   ui(10) = uicontrol('style','text','pos',[lft,btm,60,17],...
           'horiz','left','string','[Ap, As]','userdata',0);

   ui(13) = uicontrol('style','edit','pos',[lft+65,btm,100,edt_ht],...
           'back','w','string','2, 40','callback','diirgui(4)',...
           'horiz','right');

   btm = btm - 25;
   ui(19) = uicontrol('style','text','pos',[lft,btm,60,17],...
           'horiz','left','string','Samp (Hz)');
   ui(20) = uicontrol('style','edit','pos',[lft+65,btm,100,edt_ht],...
           'back','w','string','100','callback','diirgui(4)',...
           'horiz','right');

   btm = btm - 22;
   uicontrol('style','text','pos',[lft,btm,60,17],...
             'horiz','left','string','Magnitude');
   ui(22) = uicontrol('style','popup','pos',[lft+65,btm,100,20],...
           'string','Linear|decibel','back','w','callback','diirplt');

   btm = btm - 25;
   ui(46) = uicontrol('style','check','pos',[lft,btm,90,17],...
           'string','AutoPlot','callback','diirgui(7)',...
           'value',0);
   ui(47) = uicontrol('style','push','pos',[lft+95,btm-2,70,20],...
           'string','Plot','callback','diirplt;');

   btm = btm - 22;
   ui(69) = uicontrol('style','text','pos',[lft,btm,39,17],...
           'horiz','left','fore','c','string','Mode');
   ui(71) = uicontrol('style','check','pos',[lft+40,btm,55,17],...
           'string','Auto','callback','diirgui(6)',...
           'value',1,'fore','b','back','g');
   ui(72) = uicontrol('style','check','pos',[lft+96,btm,75,17],...
             'value',0,'string','Manual','callback','diirgui(6)',...
               'fore','b','back','r');


   btm = btm - 22;
   ui(66) = uicontrol('style','text','pos',[lft,btm,39,17],...
           'horiz','left','string','Order');
   ui(67) = uicontrol('style','text','pos',[lft+40,btm,55,17],...
           'back',ltgrey);
  ui(68) = uicontrol('style','edit','pos',[lft+96,btm,75,20],...
           'back','w','callback','diirgui(4)','vis','off');

  uicontrol('style','frame','pos',[lft-5,btm-100+5,177,92],...
             'back',grey,'fore',ltgrey);

   btm = btm - 30+5;
   ui(30) = uicontrol('style','text','pos',[lft,btm,165,17],...
           'horiz','left','fore','c','string','Design RESULTS');

   btm = btm - 22+2;
   ui(31) = uicontrol('style','text','pos',[lft+30,btm,25,17],...
           'horiz','left','string','Ord');
   ui(49) = uicontrol('style','text','pos',[lft+57,btm,55,17],...
           'horiz','left','string','Ap (max)');
   ui(51) = uicontrol('style','text','pos',[lft+115,btm,55,17],...
           'horiz','left','string','As (min)');

   btm = btm - 22;
   uicontrol('style','text','pos',[lft,btm,30,17],...
             'horiz','left','string','H(z)');
   ui(32) = uicontrol('style','text','pos',[lft+30,btm,25,17],...
           'back',offwhite);
   ui(50) = uicontrol('style','text','pos',[lft+57,btm,55,17],...
           'back',offwhite);
   ui(52) = uicontrol('style','text','pos',[lft+115,btm,55,17],...
           'back',offwhite);

   btm = btm - 22;
   uicontrol('style','text','pos',[lft,btm,30,17],...
             'horiz','left','string','H(s)');
   ui(78) = uicontrol('style','text','pos',[lft+30,btm,25,17],...
           'back',offwhite);
   ui(79) = uicontrol('style','text','pos',[lft+57,btm,55,17],...
           'back',offwhite);
   ui(80) = uicontrol('style','text','pos',[lft+115,btm,55,17],...
           'back',offwhite);

   btm = btm -35+5;
   ui(25) = uicontrol('style','check','pos',[lft+95+10,btm,70,20],...
           'string','Cursor','back','y','callback','diirgui(9)');


   pos = get(f,'pos');
   lef = pos(3)-166;
   bot = pos(4)-21;

   ui(26) = uicontrol('style','text','pos',[lef,bot,20,20],...
           'string','X ','horiz','right');
   ui(27) = uicontrol('style','text','pos',[lef+20,bot,60,20],...
           'string','','back','w');
   ui(28) = uicontrol('style','text','pos',[lef+85,bot,20,20],...
           'string','Y ','horiz','right');
   ui(29) = uicontrol('style','text','pos',[lef+105,bot,60,20],...
           'string','','back','w');
   set(ui(26:29),'vis','off');



%   ui(73) = axes('units','pixel','pos',[430,240,160,160],'box','on',...
   ui(73) = axes('units','pixel','pos',[430,246,160,160],'box','on',...
            'xlim',[0,0.5],'color','k','xgrid','on','ygrid','on');
   title('Gain of H(z) (r) and H(s) (y)');
   xlabel('Analog Frequency  [Hz]');
   ui(74) = line('xdata',0,'ydata',0,'color','r','erase','norm');
   if ver4,
      ui(75) = line('xdata',0,'ydata',0,'color','y','erase','norm',...
                    'linestyle','o');
   else
      ui(75) = line('xdata',0,'ydata',0,'color','y','erase','norm',...
                    'linestyle','none','marker','o');
   end
   ui(76) = line('xdata',0,'ydata',0,'color','y','erase','norm');
   if ver4,
      ui(77) = line('xdata',0,'ydata',0,'color','c','erase','norm',...
                    'linestyle','o');
   else
      ui(77) = line('xdata',0,'ydata',0,'color','c','erase','norm',...
                    'linestyle','none','marker','o');
   end
  set(ui(73),'userdata',ui(74:77));

   ui(17) = axes('units','pixel','pos',[430,35,160,160],'box','on',...
            'xlim',[0,0.5],'color','k','xgrid','on','ygrid','on');
   title('Phase (deg) of Digital Filter');
   xlabel('Analog Frequency  [Hz]');
   ui(18) = line('xdata',0,'ydata',0,'color','m','erase','norm',...
                 'linestyle','-');
  set(ui(17),'userdata',ui(18));

%   ui(85) = axes('units','pixel','pos',[220,240,160,160],'box','on',...
   ui(85) = axes('units','pixel','pos',[220,246,160,160],'box','on',...
            'color','k','xgrid','on','ygrid','on');
   title('Pole-Zero Plot');
   ui(88) = line('xdata',0,'ydata',0,'color','y','erase','back');
   if ver4,
      ui(86) = line('xdata',0,'ydata',0,'color','c','linestyle','o',...
                'erase','back');
   else
      ui(86) = line('xdata',0,'ydata',0,'color','c','linestyle','none',...
                    'marker','o','erase','back','markersize',8);