USB_C_Industrial_Camera_FPGA_USB3
serv
| USB_C_Industrial_Camera_FPGA_USB3 | serv | |
|---|---|---|
| 3 | 20 | |
| 712 | 1,258 | |
| - | - | |
| 5.4 | 7.6 | |
| 7 months ago | 29 days ago | |
| Verilog | Verilog | |
| - | ISC License |
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USB_C_Industrial_Camera_FPGA_USB3
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Barcelona Supercomputing Center presents Sargantana: new open-source RISC-V chip
>Likely you couldn't even go back and make a fab that makes large volumes of 60nm-90nm node sizes at all, for any amount of money, because the equipment to do this (new) hasn't been made in 2 decades and no company is willing to invest the money to make new crappy old equipment.
I believe your argument assumes that there is a fixed cost to produce even 180nm or 350nm ICs that hasnt changed since the first one was produced.
We still need 300 years for a 300 year old tree, but 25 year old technology might now be relatively easy to build if we start from scratch.
What was high tech then might be relatively easy to solve now. One example might be https://github.com/circuitvalley/USB_C_Industrial_Camera_FPG... being open source instead of a multi year, multi million dollar project.
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Open source USB C icamera with Interchangeable C mount lens, MIPI Sensor
This is really nice, and the documentation and testing results are extensive.
https://github.com/circuitvalley/USB_C_Industrial_Camera_FPG...
- I designed and constructed fully Open Source USB C Camera with IMX477 Sensor, Lattice FPGA and C-mount for Industrial use https://www.circuitvalley.com/2022/06/pensource-usb-c-industrial-camera-c-mount-fpga-imx-mipi-usb-3-crosslinknx.html
serv
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RISC-V support in Android just got a big setback
> Right now, most devices on the market do not support the C extension
This is not true and easily verifiable.
The C extension is defacto required, the only cores that don't support it are special purpose soft cores.
C extension in the smallest IP available core https://github.com/olofk/serv?tab=readme-ov-file
Supports M and C extensions https://github.com/YosysHQ/picorv32
Another sized optimized core with C extension support https://github.com/lowrisc/ibex
C extension in the 10 cent microcontroller https://www.wch-ic.com/products/CH32V003.html
This one should get your goat, it implements as much as it can using only compressed instructions https://github.com/gsmecher/minimax
- SERV – The SErial RISC-V CPU
- SERV: A bit-serial RISC-V core
- SERV – open-source Tiny SErial RISC-V CPU
- How many LUT for an 8 bit CPU?
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Minimax: a Compressed-First, Microcoded RISC-V CPU
In short: it works, though the implementation lacks the crystal clarity of FemtoRV32 and PicoRV32. The core is larger than SERV but has higher IPC and (very arguably) a more conventional implementation. The compressed instruction set is easier to expand into regular RV32I instructions than it is to execute directly.
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Apple to Move a Part of Its Embedded Cores to RISC-V
https://github.com/olofk/serv
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I have created a Reddit community about PicoBlaze soft processor...
As for the size advantage: this mattered more when LUTs were precious and when PicoBlaze's competition was either similarly unorthodox (J1 Forth CPU) or several times larger (MicroBlaze). Nowadays, there are very small RISC-V cores like FemtoRV32 Quark or SERV. RISC-V benefits from mainstream open-source tooling and has momentum that's hard to beat.
- Microchip to develop 12-core RISC-V processor for NASA
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RISC-V announces first new specifications of 2022 adding to 16 ratified in 2021
The RISC-V spec does allow non-trapping behavior and SeRV in particular has non-trapping behavior, which is an important part of how it can fit into 200 4-input LUTs.
https://github.com/olofk/serv#good-to-know
What are some alternatives?
showmewebcam - Raspberry Pi + High Quality Camera = High-quality USB Webcam!
neorv32 - :rocket: A tiny, customizable and extensible MCU-class 32-bit RISC-V soft-core CPU and microcontroller-like SoC written in platform-independent VHDL.
hdl - HDL libraries and projects
riscv-cores-list - RISC-V Cores, SoC platforms and SoCs
FPGA_OV7670_Camera_Interface - Real-time streaming of OV7670 camera via VGA with a 640x480 resolution at 30fps
IronOS - Open Source Soldering Iron firmware
darkriscv - opensouce RISC-V cpu core implemented in Verilog from scratch in one night!
fusesoc - Package manager and build abstraction tool for FPGA/ASIC development
USB_C_Industrial_Camera_FPG
neo430 - :computer: A damn small msp430-compatible customizable soft-core microcontroller-like processor system written in platform-independent VHDL.
zipcpu - A small, light weight, RISC CPU soft core
psram-tang-nano-9k - An open source PSRAM/HyperRAM controller for Sipeed Tang Nano 9K / Gowin GW1NR-LV9QN88PC6/15 FPGA