bel_fft is a FFT co-processor that can calculate FFTs with arbitrary radix. It is a hardware implementation of the free software Kiss FFT (“Keep it simple, Stupid!”). The target was to allow a simple replacement of the software code with the hardware implementation. Therefore bel_fft comes with a software driver that is compatible with the Kiss FFT routines. bel_fft also has a modular architecture and allows interfacing different bus architectures. So far AMBA AXI, Altera’s Avalon bus and the Wishbone bus are supported. However, bel_fft’s architecture allows an easy adaptation to further bus architectures (e.g. AMBA AHB). It comes with a Java wizard to configure the co-processor and to generate all required files (e.g. twiddle ROMs).
It comes with integration into Xilinx Vivado, EDK, and Altera QSYS and includes example designs for Xilinx Zynq and with PCI-Express core (including Linux driver and application).
bel_fft is distributed under the GNU Lesser Public License 2.1.
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Website | https://belfft.sourceforge.io/ |
Tags | Electronic Design Automation (EDA) |
License | GNU Library or Lesser General Public License version 2.0 (LGPLv2) |
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