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Nice... We did something similar for #PipelineC and ended up doing the FFT in hardware too! @pipelinec_hdl
Want a fast, simple, and small integer FFT implementation geared for 32-bit (ARM + RISC-V) processors? I have largely rewritten one of the more popular fix_fft implementations and got the OK by most recent maintainers to put it under the MIT license. github.com/cnlohr/fix32_f…
Following the previous post about the #FPGA #16APSK Modulator made with #PipelineC ... Here are some real world tests using the ULX3S Board! #dsp #sdr #apsk #hdl #ulx3s #dac #deltasigma #rf
Ethernet Loopback Works! Made with #PipelineC! Thanks for the help Julian Kemmerer @pipelinec_hdl ! #100baseT #ethernet on a #ulx3s #fpga using a #lan7820 board!
So... I've made a little "LoRa" (CSSS) beacon demo with #ULX3S and #PipelineC ! Ramp Nco ("SF6") -> Sine / Cosine NCO's => 2nd Order Delta sigma DAC => digital iq mixer -> output #sdr #fpga #rf #csss #lora #dsp #dac #sigmadelta #alldigitaltx
1/4 as many RV32I @risc_v cores for same or better performance. Threads share #PipelineC auto pipelined ~15 stage kernel() hardware function to offload shader compute. CPU is now bottleneck for moving data around from RAM to pipeline and back. #FPGA #HDL #RTL #graphics #riscv
C code that each thread is running: github.com/JulianKemmerer… C code and #PipelineC play nicely together for when hardware and software need to share interfaces/types 🤓
Code for the barrel #RISCV CPUs in #PipelineC github.com/JulianKemmerer…
Four RV32I @risc_v cores totaling ~333M IPS do work with a 480p frame buffer 🤓. 20 threads, ~software rendering, but focus isn't on CPU core, next up: experiments with custom accelerator pipelines to offload compute 😏 #PipelineC #FPGA #HDL #RTL #graphics #riscv
Blinking the #ULX3S led with #PipelineC ! @pipelinec_hdl is a Magic tool that turns C into HDL 🔥 #fpga #ledblink #lattice
Use #PipelineC to listen to FM #radio with an #FPGA #SDR! Huge thanks to @DutraCGI and @Darkknight512 for making this first version a great learning process. And @deepwavedigital for the fantastic #hardware platform and workplace <3 fosstodon.org/@pipelinec/112… #hdl #hls #asic
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