I'm trying to compile an old design with a newly installed setup with
matlab 2011b/ise 13.4.  The fft_init failed, so I replaced the old fft
blocks with new ones from the current casper library browser, but the
fft_init still doesn't compile:

Running mask script for block: parallel_to_serial_converter
Error using gen_xps_files (line 199)
Error in 'chan_550_packet/PFB/fft1/fft_biplex0/biplex_core':
Initialization commands cannot be evaluated.

I tried running the fft_init from the matlab interpreter with only a warning:

>> fft_init(gcb, ...
'FFTSize', 9, ...
'n_inputs', 1, ...
'input_bit_width', 18, ...
'coeff_bit_width', 18, ...
'unscramble', 1, ...
'add_latency', 2, ...
'mult_latency', 2, ...
'bram_latency', 3, ...
'conv_latency', 2, ...
'quantization', 'Truncate', ...
'overflow', 'Wrap', ...
'arch', 'Virtex5', ...
'opt_target', 'logic', ...
'coeffs_bit_limit', 8, ...
'delays_bit_limit', 8, ...
'mult_spec', 2, ...
'hardcode_shifts', 'off', ...
'shift_schedule', 0, ...
'dsp48_adders', 'on');
Warning: Invalid setting in masked block 'chan_550_packet/PFB/fft2'
for parameter
'MaskValues'
> In backpopulate_mask at 62
  In save_state at 48
  In fft_init at 315

Running biplex_core_init does error out, though:

>> biplex_core_init(gcb,...
'FFTSize', 9,...
'input_bit_width', 18,...
'coeff_bit_width', 18,...
'add_latency', 2,...
'mult_latency', 2,...
'bram_latency', 3,...
'conv_latency', 2, ...
'quantization', 'Truncate',...
'overflow', 'Wrap',...
'arch', 'Virtex5', ...
'opt_target', 'logic', ...
'coeffs_bit_limit', 8, ...
'delays_bit_limit', 8, ...
'specify_mult', 'off', ...
'mult_spec', 0, ...
'hardcode_shifts', 'off', ...
'shift_schedule', 0, ...
'dsp48_adders', 'on' );
Error using biplex_core_init (line 175)
Invalid Simulink object name: fft_stage_1/1

Any ideas on how to fix this?

Thanks,
Matt

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