The initfcn callback in Block Properties is loading the coefficients into the variable h in the global MATLAB Workspace. Unfortunately, the Embedded MATLAB function does not have direct access to the global workspace.
I can think of two ways to address this issue (I am sure there are other options as well):
Option 1
First, delete the code in the initfcn callback. Then, declare the filter coefficients h inside the EML Function as a persistent variable, and initialize this variable by loading the coefficients:
eml.extrinisic('load');
persistent data
if isempty(data)
data = load('FilterCoeff.mat');
end
In this case, you will find that the coefficients are located in:
data.h
Option 2
Pass the filter coefficients in to the EML Function block as an explicit input argument. If you want, you can specify this argument as a 'parameter' instead of an 'input' using the Edit Data/Ports option in the EML Function Editor.
HTH.
Rick
