SpinalHDL
FPGA_RealTime_and_Static_Sobel_Edge_Detection
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| SpinalHDL | FPGA_RealTime_and_Static_Sobel_Edge_Detection | |
|---|---|---|
| 8 | 3 | |
| 1,506 | 34 | |
| 2.4% | - | |
| 9.8 | 0.0 | |
| about 23 hours ago | over 2 years ago | |
| Scala | Verilog | |
| GNU General Public License v3.0 or later | MIT License |
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SpinalHDL
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1800-2023 – IEEE Standard for SystemVerilog
I'd love to see textual preprocessors kinda banned. Or at least done upstream and outside of the language. You can't both be and also have a textual preprocessor defined internally. It doesn't work.
I really like what Zig and C++ are doing with `const`.
https://ikrima.dev/dev-notes/zig/zig-metaprogramming/
Have you looked at Spinal?
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Ao486_MiSTer: i486 core for the MiSTer FPGA gaming system
Many companies do just write entire modern SoCs in straight Verilog (maybe with some autogenerated Verilog hacked in there) with no other major organization tools aside from the typical project management stuff. The load-store unit of a modern CPU alone easily exceeds 10k lines of Verilog. It's a similar thing as people who work with kernels—after all, the page table management code in a modern operating system like Linux is absolutely monstrous but still people are able to understand it well enough to be able to make the changes they need and get out.
If you are interested in other languages which hope to make this sort of stuff easier, I'd recommend taking a look at design productivity languages like Chisel and it's associated Chipyard [1], SpinalHDL [2], and Bluespec [3]. Each of these are meant to make defining extremely complex hardware more manageable for humans and there's a lot of interesting work going on right now with each of them.
[1] https://github.com/ucb-bar/chipyard
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Simple skid buffer implementation
I have just found that SpinalHDL also implemented two halves of the fully registered buffer in Stream.scala.
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Why are there only 3 languages for FPGA development?
Don’t forget SpinalHDL that was forked off of Chisel 2 I believe. These DSLs really leveraged the software features of Scala to help build generalised/modular systems. And are generally a quality of life improvement in the language features available.
- SpinalHDL – A high level hardware description language based on Scala
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Share some github FPGA projects (bonus if they include C++, Python, or other files)
A lot of reuse from other FOSH projects, including Litex, SpinalHDL, betrusted & u/alexforencich verilog-wishbone. Thanks to all of them :-)
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Suggest advance project ideas
You could try to implement a PCIe root complex for FOSS SoCs, connecting to e.g. Wishbone as the main bus. There's already some DDR3 controller (or this one) and USB Host controller out there, and even device-side PCIe, but no FOSS host-side PCIe that I know of. Probably quite a difficult job though, even sticking to the lower-speed PCIe 1.
- Chisel/Firrtl Hardware Compiler Framework
FPGA_RealTime_and_Static_Sobel_Edge_Detection
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Sobel edge detection
Hi, you might be interested on having a look at this project. The main RTL for the convolution is in sobel_convolution.v
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Share some github FPGA projects (bonus if they include C++, Python, or other files)
I posted this project on this sub three weeks ago,
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Real-Time Sobel Edge Detection using FPGA (repo link in the comments)
Project repository
What are some alternatives?
chisel - Chisel: A Modern Hardware Design Language
litex - Build your hardware, easily!
amaranth - A modern hardware definition language and toolchain based on Python
verilog-ethernet - Verilog Ethernet components for FPGA implementation
FPGA_OV7670_Camera_Interface - Real-time streaming of OV7670 camera via VGA with a 640x480 resolution at 30fps
chiselverify - A dynamic verification library for Chisel.
SBusFPGA - Stuff to put a FPGA in a SBus system (SPARCstation)
circt - Circuit IR Compilers and Tools
ULX3S_FPGA_Camera_Streaming - Verilog design files and Icestudio file for streaming the OV7670 camera using ULX3S FPGA Board
litepcie - Small footprint and configurable PCIe core
satcat5 - SatCat5 is a mixed-media Ethernet switch that lets a variety of devices communicate on the same network.