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Trying to run some blinking on [iCE40 Ultra Breakout Board](http://www.latticesemi.com/products/developmentboardsandkits/ice40ultrabreakoutboard), where iCE5LP4K-SWG36 device in a 36-ball WLCSP packag…
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As the arachne-pnr github says: Arachne-pnr is not maintained anymore; use nextpnr instead, which is a complete functional replacement with major improvements.
The commands to use nextpnr-ice40 wit…
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I'm hitting
nextpnr-ice40 -q --lp384 --package cm36 --pcf tinyfpga_bx.pcf --json servant_1.0.2.json --asc servant_1.0.2_next.asc
terminate called after throwing an instance of 'nextpnr_ic…
olofk updated
4 years ago
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The current VexRISCV configuration works well on big FPGAs like the Artix-7 and Spartan 6 but is too big for the tiny iCE40 based devices.
It would be good to add a variant which works well on the …
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Timing models for basic operations (add, multiply, mux, etc) should be obtained and added for common parts such as the Xilinx 7-series, Cyclone V, iCE40, etc
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I get this error when running make:
> CMake Error at /usr/share/cmake-3.27/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
> Could NOT find Python3 (missing: Python3_INCLUDE_DIRS De…
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Building the example design for Icebrekaer from this repo https://github.com/Wren6991/SmolDVI, but using `-abc 9 -device u` as options to yosys, I see nextpnr hang on maybe 20% of runs.
This is a r…
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The iCE40 doesn't have any, but most other FPGAs do.
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Hello,
I’m a bit confusing about the source files organisation.
Current:
```
Agilack/eCow-logic
├── pico-ice40-1k
│ ├── hdl-example-k2000
│ ├── hdl-example-spi
│ ├── hdl-example-vga
│ ├── h…
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Hi,
in Debian we package berkeley-abc master to use with yosys (using the 0.30 release). I've started seeing test failures a while back and only now found time to investigate. After cherry-picking …