YoWASP nextpnr packages
=======================
The YoWASP nextpnr suite of packages provides [nextpnr][] and related tools for several FPGA families built for [WebAssembly][]. See the [overview of the YoWASP project][yowasp] for details.
The supported FPGA families are:
* Lattice iCE40 (via [Project IceStorm][icestorm]);
* Lattice ECP5 (via [Project Trellis][trellis]);
* Lattice MachXO2 (via [Project Trellis][trellis]; **experimental**);
* Lattice Nexus (via [Project Oxide][oxide]; **experimental**);
* Gowin (via [Project Apicula][apicula]; **experimental**).
[nextpnr]: https://github.com/YosysHQ/nextpnr/
[webassembly]: https://webassembly.org/
[yowasp]: https://yowasp.github.io/
[icestorm]: https://github.com/YosysHQ/icestorm/
[trellis]: https://github.com/YosysHQ/prjtrellis/
[oxide]: https://github.com/gatecat/prjoxide
[apicula]: https://github.com/YosysHQ/apicula
Notes
-----
For technical reasons, the `ecppack`, `ecpunpack`, `ecpbram`, `ecppll`, and `ecpmulti` tools from the MachXO2 toolchain shipped in the `yowasp-nextpnr-machxo2` PyPI package are installed under the names `yowasp-xo2pack`, `yowasp-xo2unpack`, `yowasp-xo2bram`, `yowasp-xo2pll`, and `yowasp-xo2multi` respectively. These commands run bit-for-bit identical code as their `yowasp-ecp*` prefixed brethren from the `yowasp-nextpnr-ecp5` PyPI package of the same version.
Versioning
----------
The version of this package is derived from the upstream nextpnr package version in the ``X.Y[.Z]`` format, and is comprised of five or six parts in a ``X.Y.Z.N.postM[.dev]`` format:
1. ``X``: nextpnr major version
2. ``Y``: nextpnr minor version
3. ``Z``: nextpnr patch version; reserved as nextpnr currently does not do patch releases
4. ``N``: zero for packages built from nextpnr releases, ``N`` for packages built from unreleased nextpnr snapshots; ``N`` is the amount of commits since the latest release
5. ``postM``: package build version; disambiguates different builds produced from the same nextpnr source tree
6. ``dev``: present only for packages built from unreleased nextpnr snapshots; marks these packages as pre-releases
With this scheme, there is a direct correspondence between upstream versions and [PEP 440][pep440] Python package versions. Packages built from unreleased snapshots are ignored by pip by default, but can be still installed explicitly. (These packages are uploaded daily to [TestPyPI][], but only occasionally to [PyPI][].)
A different versioning scheme was used earlier, where the package build version was denoted by a ``.devM`` suffix. This scheme did not work well with [PEP 440 version specifiers][pep440-vs] and was retired.
[testpypi]: https://test.pypi.org/
[pypi]: https://pypi.org/
[pep440]: https://peps.python.org/pep-0440/
[pep440-vs]: https://peps.python.org/pep-0440/#version-specifiers
Configuration
-------------
See the documentation for [yowasp-runtime](https://github.com/YoWASP/runtime#configuration).
License
-------
This package is covered by the [ISC license](LICENSE.txt), which is the same as the [nextpnr license](https://github.com/YosysHQ/nextpnr/blob/master/COPYING).
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"description": "YoWASP nextpnr packages\n=======================\n\nThe YoWASP nextpnr suite of packages provides [nextpnr][] and related tools for several FPGA families built for [WebAssembly][]. See the [overview of the YoWASP project][yowasp] for details.\n\nThe supported FPGA families are:\n * Lattice iCE40 (via [Project IceStorm][icestorm]);\n * Lattice ECP5 (via [Project Trellis][trellis]);\n * Lattice MachXO2 (via [Project Trellis][trellis]; **experimental**);\n * Lattice Nexus (via [Project Oxide][oxide]; **experimental**);\n * Gowin (via [Project Apicula][apicula]; **experimental**).\n\n[nextpnr]: https://github.com/YosysHQ/nextpnr/\n[webassembly]: https://webassembly.org/\n[yowasp]: https://yowasp.github.io/\n[icestorm]: https://github.com/YosysHQ/icestorm/\n[trellis]: https://github.com/YosysHQ/prjtrellis/\n[oxide]: https://github.com/gatecat/prjoxide\n[apicula]: https://github.com/YosysHQ/apicula\n\n\nNotes\n-----\n\nFor technical reasons, the `ecppack`, `ecpunpack`, `ecpbram`, `ecppll`, and `ecpmulti` tools from the MachXO2 toolchain shipped in the `yowasp-nextpnr-machxo2` PyPI package are installed under the names `yowasp-xo2pack`, `yowasp-xo2unpack`, `yowasp-xo2bram`, `yowasp-xo2pll`, and `yowasp-xo2multi` respectively. These commands run bit-for-bit identical code as their `yowasp-ecp*` prefixed brethren from the `yowasp-nextpnr-ecp5` PyPI package of the same version.\n\n\nVersioning\n----------\n\nThe version of this package is derived from the upstream nextpnr package version in the ``X.Y[.Z]`` format, and is comprised of five or six parts in a ``X.Y.Z.N.postM[.dev]`` format:\n\n1. ``X``: nextpnr major version\n2. ``Y``: nextpnr minor version\n3. ``Z``: nextpnr patch version; reserved as nextpnr currently does not do patch releases\n4. ``N``: zero for packages built from nextpnr releases, ``N`` for packages built from unreleased nextpnr snapshots; ``N`` is the amount of commits since the latest release\n5. ``postM``: package build version; disambiguates different builds produced from the same nextpnr source tree\n6. ``dev``: present only for packages built from unreleased nextpnr snapshots; marks these packages as pre-releases\n\nWith this scheme, there is a direct correspondence between upstream versions and [PEP 440][pep440] Python package versions. Packages built from unreleased snapshots are ignored by pip by default, but can be still installed explicitly. (These packages are uploaded daily to [TestPyPI][], but only occasionally to [PyPI][].)\n\nA different versioning scheme was used earlier, where the package build version was denoted by a ``.devM`` suffix. This scheme did not work well with [PEP 440 version specifiers][pep440-vs] and was retired.\n\n[testpypi]: https://test.pypi.org/\n[pypi]: https://pypi.org/\n[pep440]: https://peps.python.org/pep-0440/\n[pep440-vs]: https://peps.python.org/pep-0440/#version-specifiers\n\n\nConfiguration\n-------------\n\nSee the documentation for [yowasp-runtime](https://github.com/YoWASP/runtime#configuration).\n\n\nLicense\n-------\n\nThis package is covered by the [ISC license](LICENSE.txt), which is the same as the [nextpnr license](https://github.com/YosysHQ/nextpnr/blob/master/COPYING).\n",
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