FFT Window Configuration Parameters - FFT Window Configuration Parameters - 2024.2 English

Vitis Libraries
Release Date
2025-05-14
Version
2024.2 English

For the FFT Window library element, use the following list of configurable parameters and default values.

Table 73 FFT Window Configuration Parameters
Name Type Default Description
DATA_TYPE typename cint16 Data Type.
COEFF_TYPE typename cint16 Coeff Type.
POINT_SIZE unsigned 1024 FFT point size.
SHIFT unsigned 17 See Common Configuration Parameters
WINDOW_VSIZE unsigned 1024

Input/Output window size.

By default, set to: $(POINT_SIZE).
DYN_PT_SIZE unsigned 0 Enable (1) Dynamic Point size feature.
API_IO unsigned 0

Graph’s port API.

0: window

1: stream
WINDOW_CHOICE unsigned 0

Supported types:

0: Hamming

1: Hann

2: Blackman

3: Kaiser
NITER unsigned 4 See Common Configuration Parameters
DIFF_TOLERANCE unsigned 0 See Common Configuration Parameters
ROUND_MODE unsigned 0 See Common Configuration Parameters
SAT_MODE unsigned 1 See Common Configuration Parameters
STIM_TYPE unsigned 0 See Common Configuration Parameters

Note

The above configurable parameters range might exceed a library element’s maximum supported range, in which case the compilation will end with a static_assert error informing about the exceeded range.