Read Xilinx COE file
hd = coeread(filename)
hd = coeread(filename) extracts the Distributed Arithmetic FIR filter coefficients defined in the XILINX CORE Generator .COE file specified by filename. It returns a dfilt object, the fixed-point filter hd. If you do not provide the file type extension .coe with the filename, the function assumes the .coe extension.