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Can everybody give help to me?

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dong van duc
dong van duc on 13 Oct 2012
I am student, knowledge about matlab and simulink of mine still less, thanks to all helpers. I want to send "dialVal" value up to block "From workspace". but I isn't capable. My code
function [] = duong_truyen()
%
% dial_demo.m--Demonstration of dial.m.
%
% Syntax: dial_demo
% Developed in Matlab 7.6.0.324 (R2008a) on GLNX86.
% Kevin Bartlett (kpb@uvic.ca), 2008-06-20 12:03
%-------------------------------------------------------------------
open('demo_layout.fig');
set(gcf,'name','Duong Truyen');
set(gcf,'NumberTitle','off');
%----------------------------------------------------------------------
% Tao mat dong ho.
%-------------------------------------------------------------------
% Lay vi tri truc toa do
placeHolderName = 'wrapAx';
thisAx = findobj('Tag',placeHolderName); %oi tuog co Tag la "pl...
thisPos = get(thisAx,'position'); % lay vi tri cua thisAx
delete(thisAx); %xoa thisAx
wrapDial = dial('refVal',0,... % Val_ diemef
'refOrientation',90*pi/180,... % Orientation _ su dinh huong
'valRangePerRotation',360, ... % pham vi quay
'Min',0,... % nho nhat
'Max',359,... % lon nhat
'doWrap',1,... % wrap _ bao phu
'Value',0,... % gia tri
'Position',thisPos,... % vi tri = thisPos
'VerticalAlignment','bottom',... % duowng thang dung
'Tag','wrapDial',... % Tag = wrapDial
'CallBack',@wrap_cb,... % goi ham "wrap_cb"
'titleStr','Keo kim quay',... % chuoi dau de (tit)
'titlePos','top',... % vi tri tit = dinh
'tickVals', [0 90 180 270],... % gia tri duowng tick
'tickStrs',{'N' 'E' 'S' 'W'}); % chuoi ghi o duowng tick
% Thiet lap mau.
faceColour = get(wrapDial.panelHndl,'facecolor');
set(findobj('Tag','wrapText'),'BackgroundColor',faceColour,'ForegroundColor','r');
set(findobj('Tag','wrapText'),'string','0');
% Co lai kich thuoc mat dong ho.
set(wrapDial,'dialRadius',0.55);
% Lam kim quay tuy bien.
x = [0 .55 .4 NaN .55 .4];
y = [0 0 .14 NaN 0 -.14];
set(wrapDial.linePointerHndl,'xdata',x,'ydata',y);
set(wrapDial.linePointerHndl,'color','r');
% Di chuyen ticklabel roi xa mat dong ho.
set(wrapDial,'tickLabelRadius',0.69);
% Thay doi font ticklabel.
set(wrapDial.tickLabelHndls,'fontname','Courier');
set(wrapDial.tickLabelHndls,'fontWeight','Bold');
set(wrapDial.tickLabelHndls,'fontSize',20);
%-------------------------------------------------------------------
function [] = wrap_cb()
% wrap_cb.m--Callback for "wrap" dial.
%------------------------------------------------------------------
wrapDial = dial.find_dial('wrapDial','-1');
dialVal = round(get(wrapDial,'Value'));
set(findobj('Tag','wrapText'),'string',sprintf('%d',dialVal));
assignin ( 'base', 'dialVal', dialVal )

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