wip

.gitignore

@@ -1,6 +1,22 @@
-.venv/
+# remote-exec:
-poetry.toml
+
+.remote.toml
+.poetry_pypath
+
+
+# poetry:
+
 *.egg-info
-*.pyc
+poetry.toml
+.venv/
+
+
+# python:
+
 __pycache__
+*.pyc
+
+
+# migen:
+
 build/

.remoteenv

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+POETRY='exit 99'
+
+if type -P poetry >/dev/null; then
+    POETRY='poetry'
+
+else
+    if ! type -P pip3 >/dev/null; then
+        echo "Neither pip3 nor poetry is available on this host: $(hostname)"
+        exit 1
+    fi
+
+    if ! test -d '.poetry_pypath/poetry'; then
+        # NOTE: .poetry_pypath should be ignored during remote-exec [pull]
+        echo "Poetry not found, downloading it to .poetry_pypath/ ..."
+        pip3 install -t '.poetry_pypath' poetry || exit $?
+    fi
+
+    export PYTHONPATH=".poetry_pypath:$PYTHONPATH"
+    POETRY='python3 -m poetry'
+fi
+
+
+if ! test -f "poetry.toml" ; then
+    $POETRY config --local virtualenvs.in-project true
+fi
+
+if ! test -d ".venv" ; then
+    $POETRY install || exit $?
+fi
+
+alias poetry="$POETRY"
+exec $POETRY shell

README.md

@@ -33,6 +33,20 @@ To reduce the amount of typing:
 
 	poetry shell
 
+# Running stuff remotely
+
+For this you need a host you're able to ssh to.
+
+Setup:
+
+    poetry install
+    poetry run remote-init <user@host>
+    poetry run remote-ignore '*.egg-info' '.git' '.remote.toml' '.venv' # TODO: get rid of this
+    poetry run remote poetry config --local virtualenvs.in-project true
+    poetry run remote poetry install
+    poetry run remote poetry install -E yosys -E nextpnr-ice40
+    poetry run remote python -m fpga.foobar generate -t il
+
 
 # todo:
 

fpga/icebreaker_vga.dg

@@ -3,6 +3,7 @@ import "/nmigen_dg/*"
 import "/sys"
 import "common/to_signed"
 import "modules/vga/DviController12"
+import "modules/bad_apple/BadAppleDecoder"
 import "stdio/ice40pll/add_domain_from_pll"
 import "resources/pmod"
 
@@ -22,8 +23,35 @@ Top = subclass Elaboratable where
         print pll_config
 
 
-        # Feed a picture to the DVI controller
+        '''
+        # Feed bad_apple to the DVI controller
+        apple = Submodule.apple$ BadAppleDecoder!
+        buffer = Memory
+            width: 1
+            depth: apple.size
+        rdbuffer = Submodule.rdbuffer$ buffer.read_port!
+        wrbuffer = Submodule.wrbuffer$ buffer.write_port!
+        Sync$ wrbuffer.en   ::= apple.pixel_valid
+        Sync$ wrbuffer.addr ::= apple.pixel_x + apple.pixel_y*apple.h
+        Sync$ wrbuffer.data ::= apple.pixel_data
 
+        wait = Signal 30 reset:1
+        Comb$ apple.next ::= 0
+        When dvi.vblank_start $ ->
+            Sync$ wait       ::= wait.rotate_left 1
+            Comb$ apple.next ::= wait!!0
+
+
+        Comb$ rdbuffer.addr ::= (dvi.pixel_x >> 3) + (dvi.pixel_y >> 3)*apple.h
+        pixel = Cat rdbuffer.data rdbuffer.data rdbuffer.data rdbuffer.data
+        Sync$ dvi.r ::= pixel
+        Sync$ dvi.g ::= pixel
+        Sync$ dvi.b ::= pixel
+
+
+        '''
+
+        # Feed a picture to the DVI controller
         scroll = Signal 8
 
         period = int$ pll_config.achieved / @fps
@@ -32,6 +60,12 @@ Top = subclass Elaboratable where
         When (counter==0) $ ->
             Sync$ counter ::= int period
             Sync$ scroll  ::= scroll + 1
+            asd = Cat
+                platform.request "led_g" 1
+                platform.request "led_g" 2
+                platform.request "led_g" 3
+                platform.request "led_g" 4
+            Sync$ asd ::= asd + 1
 
         Sync$ dvi.r ::= 0x0
         Sync$ dvi.g ::= 0x0
@@ -56,10 +90,13 @@ Top = subclass Elaboratable where
             tx2 ^ ty2 ,->
                 Sync$ dvi.r ::= 0xF
                 Sync$ dvi.g ::= 0xF
+        '''
+        '''
 
 
 if __name__ == "__main__" =>
     plat = ICEBreakerPlatform!
     plat.add_resources$ pmod.dvi_12bit 0
     plat.add_resources$ plat.break_off_pmod
-    plat.build (Top 800 480) do_program: ("--flash" in sys.argv) synth_opts: "-dsp"
+    #(import "/nmigen/cli/main" pure) (Top 800 480) plat
+    plat.build (Top 800 480 fps:60) do_program: ("--flash" in sys.argv) synth_opts: "-dsp -abc2 -relut"

fpga/idea_nmain.md

@@ -0,0 +1,173 @@
+# The current `nmigen.cli.main()` can:
+
+- Can display a help text when asked (not done by default)
+- Has the ability to elaborate a design
+- Has the ability to simulate the design for x cycles with no input
+
+I've worked out a few use-cases i've seen others have, and ones i've run into myself:
+
+# What could we want form a new `main()`?
+
+- It should display the help text by default (better discoverability)
+- It should have the ability to elaborate the design
+    - Perhaps provide the ability to set design parameters from the CLI
+    - Ability to choose among multiple target platforms provided to `main()`
+        - Perhaps even provide a mocked/generic platform instead of `None`, with arbitrary clocks and resources available
+- It should have the ability to synth+PnR a design and program it
+    - No more using `platform.build(top, do_program=True)` **instead** of `main()`
+    - It should provide the option to program in the CLI interface, instead of hardcoding it
+        - "program" may also differ between platform. Options to just program in RAM or to write to the SPI flash could also be needed
+    - Have the option to print the list of files generated
+    - It should provide the option to print the synthesis and PnR output, or silence it
+    - Have the ability to avoid rebuilding the bitfile, and instead just flash the current one on disk
+    - Have the ability to override the default "build/" folder from the CLI
+    - Have the ability to set overrides (the `kwargs` in `platform.build`)
+        - at least print a list of the supported override environ variables
+- Have the ability to run a simulation of the design
+    - Perhaps with the ability to chose among multiple simulation processes/functions provided to `main()`?
+- Give the user the ability to provide binary blobs to be flashed to the SPI flash (see #)
+- It could be extendable with plugins
+    - A plugin system could extend *all* nmigen design, instead of requiring the author to add the plugin
+
+- Have the ability to run a simulation of the design
+    - Perhaps with the ability to chose among multiple simulation processes/functions provided to `main()`?
+
+## Should a new `main` function be accessible from python?
+
+If you publish your design as a python module, it should
+be possible to just `import` it and convert it to verilog/ilang.
+This culd be useful when using systems like `litex`.
+Therefore i suggest the a new `main` have a pattern like this:
+
+```python
+main = nmigen.main(MyDesign(), ...)
+if __name__ == "__main__":
+    main.run_cli()
+```
+
+, making a `main` object accessible from within python.
+
+## Should a new `main` function provide an interface to run tests?
+
+Testing is currently done through `unittest` or `pytest`. There is however the issue
+of not immediately knowing which test_*.py file covers the module you're currently looking at.
+
+## How does the current "simulate" action differ from tests?
+
+`Assert()` is currently being added to the simulator (see #427), blurring the line
+between a pure simulation and a unit test. Should the "simulate" action be renamed? Merged? Leave it as is?
+
+## Should we change and break the old `main()`, or make a new one
+
+Even though the backend API is not declared fully stable yet, breaking old code
+sucks. The current `main` could therefore be deprecated and a new one then be added in
+a different location or under a different name. (`nmain` is cute)
+
+
+# While on the topic of platform overrides:
+
+The ability to set platform overrides during elaboration could be usefull:
+PLL module for example would then be able to add the proper timing constraints.
+(Vivado is able to infer these constraints, but nextpnr do not to my knowledge)
+
+# How could such a new `main` look like?
+
+<details>
+<summary>this mess</summary>
+
+```python
+class MyModule(Elaboratable):
+    def __init__(self, param: int):
+        self.param = param
+        self.out = Signal()
+    ...
+
+# the largest issue is the lack of a consistent CLI interface
+# to expect from a given nmigen .py file
+if __name__ == "__main__":
+    top = MyModule(param=4) # `param` is hardcoded. This may also result in a UnusedElaboratable warning
+
+    if sys.argv[1] = "build":
+        if sys.argv[2] = "icebreaker":
+            plat = ICEBreakerPlatform()
+            plat.add_resources(...)
+
+        elif sys.argv[2] = "fomu"
+            plat = FomuHackerPlatform()
+            plat.add_resources(...)
+        else:
+            exit(1)
+
+        # `do_program` is usually hard-coded.
+        # The folder "build" should also be configurable from CLI
+        plat.build(top, do_program=True)
+
+    elif sys.argv[1] == "test": # "simulate" is already taken by main()
+        # logic for multiple simulations to select from is manually made
+        sim = Simulator(top)
+
+        def my_proc():
+            yield ...
+        sim.add_sync_process(my_proc)
+
+        with sim.write_vcd("uart.vcd", "uart.gtkw"): # hardcoded filenames, never printed to user
+            sim.run()
+
+    else:
+        main(top, ports=[ top.out ]) # '-h' doesn't mention the two modes defined above
+
+```
+
+</details>
+
+<details>
+<summary>could become </summary>
+
+```python
+class MyModule(Elaboratable):
+    def __init__(self, param):
+        self.param = param
+        self.out = Signal()
+    ...
+
+if __name__ == "__main__":
+    platforms, simulations = [], [] # using lists makes the nMain interface more transparent
+
+    # supporting multiple platforms encourages designing the
+    # top-level module in a platform-agnostic fashion
+
+    @platforms.append
+    def icebreaker(): # nMain infers the name from function.__name__
+        plat = ICEBreakerPlatform()
+        plat.add_resources(...)
+        return plat
+
+    @platforms.append
+    def fomu():
+        plat = FomuHackerPlatform()
+        plat.add_resources(...)
+        return plat
+
+    @simulations.append
+    def sim_the_foo(sim): # sim = Simulator(design)
+        sim.add_clock(1e-6)
+
+        @sim.add_sync_process
+        def my_proc():
+            yield ...
+        # `sim` could then be automatically run by nMain, with configurable wavefile output
+
+    nMain(
+        name          = "blinker",           # Current default is "top", perhaps default to design.__name__ instead?
+        design        = MyModule,            # Pass a class itself instead of an instance, avoids UnusedElaboratable warnings
+        design_kwargs = {"param": 4}         # Optional, should be possible to override in CLI
+        ports         = lambda x: [ x.out ], # Optional due to platform.request() being a thing.
+                                             # Perhaps all Signals defined in __init__ could be inferred as ports
+                                             # by inspecting it with dir() and getattr() before calling .elaborate()?
+        platforms     = platforms,           # Optional
+        simulations   = simulations,         # Optional
+    )
+
+```
+
+</details>

fpga/modules/bad_apple.dg

@@ -0,0 +1,123 @@
+#!/usr/bin/env -S python3 -m dg
+import "/nmigen/cli/main"
+import "/nmigen/sim/pysim/Simulator"
+import "/nmigen_dg/*"
+import "/os/path" qualified
+import "../common/deduce_ports"
+
+
+RleXorPrevDecoder = subclass Elaboratable where
+    __init__ = w h data ~> None where
+        @w, @h, @data, @size = w, h, data, w*h
+
+        @pixel_x     = Signal$ range w # pixel being output
+        @pixel_y     = Signal$ range h # pixel being output
+        @pixel_data  = Signal! # data of pixel being output
+        @pixel_valid = Signal! # wether  pixel being output is valid
+
+        @next        = Signal! # pulse this to start decoding next frame
+
+    elaborate = platform ~> m where with m = Module! =>
+        # Default output
+        Sync$ @pixel_valid ::= 0
+
+        # Data to decode
+        data_mem = Memory # TODO: use spi flash instead
+            width: 8
+            depth: (len @data)
+            init:  (list$ bytearray$ @data)
+        rddata = Submodule.rddata$ data_mem.read_port!
+
+        # RLE decoder state:
+        pixel      = Signal 1
+        pixel_prev = Signal 1
+        n_times    = Signal 14
+
+        # XOR Frame buffer
+        frame  = Memory
+            width: 1
+            depth: @size
+        rdframe = Submodule.rdframe$ frame.read_port!
+        wrframe = Submodule.wrframe$ frame.write_port!
+        offset  = Signal$ range @size
+        Comb$ rdframe.addr ::= offset
+        Comb$ wrframe.addr ::= offset
+        Sync$ wrframe.en   ::= 0
+
+        do_write_pixel = Signal!
+        pixel_to_write = Signal!
+        Comb$ do_write_pixel ::= 0 # TODO: needed?
+        When do_write_pixel $ ->
+            Sync$ @pixel_data   ::= (rdframe.data ^ pixel_to_write)
+            Sync$ wrframe.data  ::= (rdframe.data ^ pixel_to_write)
+            Sync$ @pixel_valid  ::= 1
+            Sync$ wrframe.en    ::= 1
+
+            Sync$ offset ::= offset + 1 # needs to start at -1
+
+            Sync$ @pixel_y ::= @pixel_y + 1
+            When (@pixel_y == @h - 1) $ ->
+                Sync$ @pixel_y ::= 0
+                Sync$ @pixel_x ::= @pixel_x + 1
+
+        # RLE & XOR Decoder
+        FSM
+            DECODED ->
+                When @next $ ->
+                    Sync$ offset   ::= -1 # max int
+                    Sync$ @pixel_y ::= -1 # max int
+                    Sync$ @pixel_x ::= 0
+                    DECODED |>. READ
+
+            READ ->
+                Sync$ pixel       ::= rddata.data !! 7
+                Sync$ n_times     ::= rddata.data !! slice 0 6 # TODO: proper slicing syntax would be nice
+                Sync$ rddata.addr ::= rddata.addr + 1
+                When
+                    rddata.data !! 6 ,-> READ |>. READ_MORE
+                    otherwise        ,-> READ |>. WRITE_PIXELS_BEGIN
+
+            READ_MORE ->
+                Sync$ n_times     ::= ((n_times << 8) | rddata.data)
+                Sync$ rddata.addr ::= rddata.addr + 1
+                READ_MORE |>. WRITE_PIXELS_BEGIN
+
+            WRITE_PIXELS_BEGIN ->
+                is_first     = offset == 0
+                has_changed  = pixel  != pixel_prev
+                When (~has_changed & ~is_first) $ -> # there was an omitted n_values=1 in between
+                    Comb$ pixel_to_write ::= ~pixel
+                    Comb$ do_write_pixel ::= 1
+
+
+                Sync$ pixel_prev ::= pixel
+                WRITE_PIXELS_BEGIN |>. WRITE_PIXELS
+
+            WRITE_PIXELS ->
+                Comb$ pixel_to_write ::= pixel
+                Comb$ do_write_pixel ::= 1
+
+                Sync$ n_times ::= n_times - 1
+                When (n_times == 1) $ -> When # == 0 next cycle
+                    offset == @size - 1 ,->  WRITE_PIXELS |>. DECODED
+                    otherwise           ,->  WRITE_PIXELS |>. READ
+
+
+BadAppleDecoder = -> RleXorPrevDecoder 85 64 bad_apple_data where
+    fname = os.path.join
+        os.path.dirname __file__
+        "data"
+        "bad_apple.bin"
+    with f = open fname "rb" =>
+        bad_apple_data = f.read!
+    bad_apple_data = bad_apple_data !! slice 0 ((len bad_apple_data) // 58) # TODO: use full movie when we've moved data to spi flash
+    print ((len bad_apple_data) // 58)
+    #bad_apple_data = b"0000"
+
+
+if __name__ == "__main__" =>
+    design = RleXorPrevDecoder 85 64 b"1234"
+    ports = deduce_ports design
+    main design
+        name: "bad_apple"
+        ports: ports

fpga/spiflash_ideas.md

@@ -0,0 +1,24 @@
+# Ability to provide binary blobs to also be flashed to the FPGA's SPI flash
+
+Whenever a SPI flash module is added to `nmigen-stdio` or wherever,
+there should be an option to define binary blobs to be programed/flashed
+along with the synthesized bitfile.
+
+These binary blobs could either be added in `if __main__ == ...`, or possibly even during elaboration. Example:
+
+```python
+with open("myfile.bin", "rv") as f:
+    platform.add_spi_flash_data(start_addr=0x020000, label="riscv_program", data=f.read())
+    # 'data' could be optional for RTL generation, but required for building/programming
+    # perhaps an 'end_addr' or 'size' kwarg could be needed?
+
+...
+
+def elaborate(self, platform):
+    start_addr, size = platform.get_spi_flash_data(label="riscv_rom") # throws if the label is not defined
+```
+
+# Request for Comment:
+
+Different FPGAs are programmed differently. The Ice40 usually write to the SPI flash when programmed,
+but the arty 7 is only programed in RAM, without neccesarily writing to the SPI flash.

fpga/stdio/rom.py

@@ -0,0 +1 @@
+# spi flash

poetry.lock

@@ -13,13 +13,21 @@ description = "Classes Without Boilerplate"
 name = "attrs"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.3.0"
+version = "20.2.0"
 
 [package.extras]
-azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
+dev = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
-dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
+docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
-docs = ["sphinx", "zope.interface"]
+tests = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+tests_no_zope = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
+
+[[package]]
+category = "dev"
+description = "Composable command line interface toolkit"
+name = "click"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "7.1.2"
 
 [[package]]
 category = "dev"
@@ -103,7 +111,7 @@ description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
 optional = false
 python-versions = ">=3.5"
-version = "8.4.0"
+version = "8.5.0"
 
 [[package]]
 category = "main"
@@ -111,7 +119,7 @@ description = "Python toolbox for building complex digital hardware"
 name = "nmigen"
 optional = false
 python-versions = "~=3.6"
-version = "0.3.dev156+ge46118d"
+version = "0.3.dev183+g69ed491"
 
 [package.dependencies]
 Jinja2 = ">=2.11,<3.0"
@@ -126,10 +134,11 @@ python = "<3.9"
 version = "*"
 
 [package.extras]
-builtin-yosys = ["nmigen-yosys (>=0.9)"]
+builtin-yosys = ["nmigen-yosys (>=0.9.post3527)"]
+remote-build = ["paramiko (>=2.7,<3.0)"]
 
 [package.source]
-reference = "e46118dac0df315694b0fc6b9367d285a8fc12dd"
+reference = "69ed4918b8b9fc8617064bbfacb92feb720006f2"
 type = "git"
 url = "https://github.com/nmigen/nmigen"
 [[package]]
@@ -157,7 +166,7 @@ dg = "rev poetry"
 nmigen = "branch master"
 
 [package.source]
-reference = "eb673dd91d3b43b81e34e70a004d1d24fa98d6d0"
+reference = "52feb02abf437173b5d5098bd60e3db5e07b248e"
 type = "git"
 url = "https://github.com/pbsds/nmigen_dg"
 [[package]]
@@ -166,7 +175,7 @@ description = "Specialized WebAssembly build of Yosys used by nMigen"
 name = "nmigen-yosys"
 optional = true
 python-versions = "~=3.5"
-version = "0.9.post4757.dev23"
+version = "0.9.post3527.dev26"
 
 [package.dependencies]
 wasmtime = ">=0.19.0,<0.20.0"
@@ -183,6 +192,14 @@ version = "20.4"
 pyparsing = ">=2.0.2"
 six = "*"
 
+[[package]]
+category = "dev"
+description = "File system general utilities"
+name = "pathtools"
+optional = false
+python-versions = "*"
+version = "0.1.2"
+
 [[package]]
 category = "dev"
 description = "plugin and hook calling mechanisms for python"
@@ -207,6 +224,19 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 version = "1.9.0"
 
+[[package]]
+category = "dev"
+description = "Data validation and settings management using python 3.6 type hinting"
+name = "pydantic"
+optional = false
+python-versions = ">=3.6"
+version = "1.6.1"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+typing_extensions = ["typing-extensions (>=3.7.2)"]
+
 [[package]]
 category = "dev"
 description = "Python parsing module"
@@ -249,6 +279,20 @@ optional = false
 python-versions = ">= 3.6"
 version = "0.2.3"
 
+[[package]]
+category = "dev"
+description = "A CLI to sync codebases and execute commands remotely"
+name = "remote-exec"
+optional = false
+python-versions = ">=3.6"
+version = "1.7.0"
+
+[package.dependencies]
+click = ">=7.1.1"
+pydantic = ">=1.5.1"
+toml = ">=0.10.0"
+watchdog = ">=0.10.3"
+
 [[package]]
 category = "dev"
 description = "Python 2 and 3 compatibility utilities"
@@ -257,6 +301,14 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 version = "1.15.0"
 
+[[package]]
+category = "dev"
+description = "Python Library for Tom's Obvious, Minimal Language"
+name = "toml"
+optional = false
+python-versions = "*"
+version = "0.10.1"
+
 [[package]]
 category = "main"
 description = "A WebAssembly runtime powered by Wasmtime"
@@ -268,6 +320,20 @@ version = "0.19.0"
 [package.extras]
 testing = ["coverage", "pytest", "pycparser", "pytest-flake8", "pytest-mypy"]
 
+[[package]]
+category = "dev"
+description = "Filesystem events monitoring"
+name = "watchdog"
+optional = false
+python-versions = "*"
+version = "0.10.3"
+
+[package.dependencies]
+pathtools = ">=0.1.1"
+
+[package.extras]
+watchmedo = ["PyYAML (>=3.10)", "argh (>=0.24.1)"]
+
 [[package]]
 category = "dev"
 description = "Measures the displayed width of unicode strings in a terminal"
@@ -282,7 +348,7 @@ description = "nextpnr-ecp5 FPGA place and route tool"
 name = "yowasp-nextpnr-ecp5"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
 wasmtime = ">=0.19.0,<0.20.0"
@@ -297,10 +363,10 @@ description = "nextpnr-ecp5 FPGA place and route tool"
 name = "yowasp-nextpnr-ecp5-25k"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ecp5 = "0.0.post2658.dev17"
+yowasp-nextpnr-ecp5 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -308,10 +374,10 @@ description = "nextpnr-ecp5 FPGA place and route tool"
 name = "yowasp-nextpnr-ecp5-45k"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ecp5 = "0.0.post2658.dev17"
+yowasp-nextpnr-ecp5 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -319,10 +385,10 @@ description = "nextpnr-ecp5 FPGA place and route tool"
 name = "yowasp-nextpnr-ecp5-85k"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ecp5 = "0.0.post2658.dev17"
+yowasp-nextpnr-ecp5 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -330,12 +396,12 @@ description = "nextpnr-ecp5 FPGA place and route tool"
 name = "yowasp-nextpnr-ecp5-all"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ecp5-25k = "0.0.post2658.dev17"
+yowasp-nextpnr-ecp5-25k = "0.0.post2683.dev25"
-yowasp-nextpnr-ecp5-45k = "0.0.post2658.dev17"
+yowasp-nextpnr-ecp5-45k = "0.0.post2683.dev25"
-yowasp-nextpnr-ecp5-85k = "0.0.post2658.dev17"
+yowasp-nextpnr-ecp5-85k = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -343,7 +409,7 @@ description = "nextpnr-ice40 FPGA place and route tool"
 name = "yowasp-nextpnr-ice40"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
 wasmtime = ">=0.19.0,<0.20.0"
@@ -358,10 +424,10 @@ description = "nextpnr-ice40 FPGA place and route tool"
 name = "yowasp-nextpnr-ice40-1k"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ice40 = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -369,10 +435,10 @@ description = "nextpnr-ice40 FPGA place and route tool"
 name = "yowasp-nextpnr-ice40-384"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ice40 = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -380,10 +446,10 @@ description = "nextpnr-ice40 FPGA place and route tool"
 name = "yowasp-nextpnr-ice40-5k"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ice40 = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -391,10 +457,10 @@ description = "nextpnr-ice40 FPGA place and route tool"
 name = "yowasp-nextpnr-ice40-8k"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ice40 = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -402,14 +468,14 @@ description = "nextpnr-ice40 FPGA place and route tool"
 name = "yowasp-nextpnr-ice40-all"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ice40-1k = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40-1k = "0.0.post2683.dev25"
-yowasp-nextpnr-ice40-384 = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40-384 = "0.0.post2683.dev25"
-yowasp-nextpnr-ice40-5k = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40-5k = "0.0.post2683.dev25"
-yowasp-nextpnr-ice40-8k = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40-8k = "0.0.post2683.dev25"
-yowasp-nextpnr-ice40-u4k = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40-u4k = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -417,10 +483,10 @@ description = "nextpnr-ice40 FPGA place and route tool"
 name = "yowasp-nextpnr-ice40-u4k"
 optional = true
 python-versions = "~=3.5"
-version = "0.0.post2658.dev17"
+version = "0.0.post2683.dev25"
 
 [package.dependencies]
-yowasp-nextpnr-ice40 = "0.0.post2658.dev17"
+yowasp-nextpnr-ice40 = "0.0.post2683.dev25"
 
 [[package]]
 category = "main"
@@ -441,7 +507,8 @@ nextpnr-ice40 = ["yowasp-nextpnr-ice40-all"]
 yosys = ["nmigen-yosys"]
 
 [metadata]
-content-hash = "06f48c2528cfb9782e6c9a98bd528b43957258cedc12b41c7b16bfb437dbfc97"
+content-hash = "09f1dfd3b664ddf78a84aacc8e0a50add8c4230ee094dbe443eb4077acf43636"
+lock-version = "1.0"
 python-versions = "~3.7"
 
 [metadata.files]
@@ -450,8 +517,12 @@ atomicwrites = [
     {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
 ]
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+    {file = "attrs-20.2.0-py2.py3-none-any.whl", hash = "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"},
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+    {file = "attrs-20.2.0.tar.gz", hash = "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594"},
+]
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+    {file = "click-7.1.2.tar.gz", hash = "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a"},
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@@ -506,8 +577,8 @@ markupsafe = [
     {file = "MarkupSafe-1.1.1.tar.gz", hash = "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b"},
 ]
 more-itertools = [
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+    {file = "more-itertools-8.5.0.tar.gz", hash = "sha256:6f83822ae94818eae2612063a5101a7311e68ae8002005b5e05f03fd74a86a20"},
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+    {file = "more_itertools-8.5.0-py3-none-any.whl", hash = "sha256:9b30f12df9393f0d28af9210ff8efe48d10c94f73e5daf886f10c4b0b0b4f03c"},
 ]
 nmigen = []
 nmigen-boards = [
@@ -515,12 +586,15 @@ nmigen-boards = [
 ]
 nmigen-dg = []
 nmigen-yosys = [
-    {file = "nmigen_yosys-0.9.post4757.dev23-py3-none-any.whl", hash = "sha256:f58f8727f98b2ea37f450768aa8de3bf5ace6b1b4fa77a373352ab62ab4b40c5"},
+    {file = "nmigen_yosys-0.9.post3527.dev26-py3-none-any.whl", hash = "sha256:51e9c08c3a25056bf2d404717b36edb34a9aee30e3838468e517a3b38faacb12"},
 ]
 packaging = [
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 ]
+pathtools = [
+    {file = "pathtools-0.1.2.tar.gz", hash = "sha256:7c35c5421a39bb82e58018febd90e3b6e5db34c5443aaaf742b3f33d4655f1c0"},
+]
 pluggy = [
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@@ -529,6 +603,25 @@ py = [
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 ]
+pydantic = [
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+    {file = "pydantic-1.6.1-cp36-cp36m-manylinux2014_i686.whl", hash = "sha256:b49c86aecde15cde33835d5d6360e55f5e0067bb7143a8303bf03b872935c75b"},
+    {file = "pydantic-1.6.1-cp36-cp36m-manylinux2014_x86_64.whl", hash = "sha256:2de562a456c4ecdc80cf1a8c3e70c666625f7d02d89a6174ecf63754c734592e"},
+    {file = "pydantic-1.6.1-cp36-cp36m-win_amd64.whl", hash = "sha256:f769141ab0abfadf3305d4fcf36660e5cf568a666dd3efab7c3d4782f70946b1"},
+    {file = "pydantic-1.6.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:2dc946b07cf24bee4737ced0ae77e2ea6bc97489ba5a035b603bd1b40ad81f7e"},
+    {file = "pydantic-1.6.1-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:36dbf6f1be212ab37b5fda07667461a9219c956181aa5570a00edfb0acdfe4a1"},
+    {file = "pydantic-1.6.1-cp37-cp37m-manylinux2014_i686.whl", hash = "sha256:1783c1d927f9e1366e0e0609ae324039b2479a1a282a98ed6a6836c9ed02002c"},
+    {file = "pydantic-1.6.1-cp37-cp37m-manylinux2014_x86_64.whl", hash = "sha256:cf3933c98cb5e808b62fae509f74f209730b180b1e3c3954ee3f7949e083a7df"},
+    {file = "pydantic-1.6.1-cp37-cp37m-win_amd64.whl", hash = "sha256:f8af9b840a9074e08c0e6dc93101de84ba95df89b267bf7151d74c553d66833b"},
+    {file = "pydantic-1.6.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:40d765fa2d31d5be8e29c1794657ad46f5ee583a565c83cea56630d3ae5878b9"},
+    {file = "pydantic-1.6.1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:3fa799f3cfff3e5f536cbd389368fc96a44bb30308f258c94ee76b73bd60531d"},
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+    {file = "pydantic-1.6.1-cp38-cp38-manylinux2014_x86_64.whl", hash = "sha256:eb75dc1809875d5738df14b6566ccf9fd9c0bcde4f36b72870f318f16b9f5c20"},
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+    {file = "pydantic-1.6.1.tar.gz", hash = "sha256:54122a8ed6b75fe1dd80797f8251ad2063ea348a03b77218d73ea9fe19bd4e73"},
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 pyparsing = [
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@@ -541,55 +634,66 @@ pyvcd = [
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 ]
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 six = [
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 ]
+toml = [
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 wasmtime = [
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+watchdog = [
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 wcwidth = [
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 ]
 yowasp-nextpnr-ecp5 = [
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 yowasp-nextpnr-ecp5-25k = [
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 yowasp-nextpnr-ecp5-45k = [
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 yowasp-nextpnr-ecp5-85k = [
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 yowasp-nextpnr-ecp5-all = [
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 ]
 yowasp-nextpnr-ice40 = [
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 ]
 yowasp-nextpnr-ice40-1k = [
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 ]
 yowasp-nextpnr-ice40-384 = [
-    {file = "yowasp_nextpnr_ice40_384-0.0.post2658.dev17-py3-none-any.whl", hash = "sha256:81420f10a3d1f63be9936373ba38f2a581a7df1f4e66ec769b1231c6a0b4b430"},
+    {file = "yowasp_nextpnr_ice40_384-0.0.post2683.dev25-py3-none-any.whl", hash = "sha256:27ec7d283b37a2633cc66190156d644a75b479572c8f7b62c040771cf000a5cd"},
 ]
 yowasp-nextpnr-ice40-5k = [
-    {file = "yowasp_nextpnr_ice40_5k-0.0.post2658.dev17-py3-none-any.whl", hash = "sha256:7809f6b0532d0ff18fbd9968a42d2e0b7e47c96918c3c39e723432a71abbeda9"},
+    {file = "yowasp_nextpnr_ice40_5k-0.0.post2683.dev25-py3-none-any.whl", hash = "sha256:3255e3129a19ef6017378e251314a6d6cc2887d2a30b13e3a50b204c7eb44158"},
 ]
 yowasp-nextpnr-ice40-8k = [
-    {file = "yowasp_nextpnr_ice40_8k-0.0.post2658.dev17-py3-none-any.whl", hash = "sha256:8caa9d001a956181ee8147623129b55441dd4d62ea7e9cc99ec8cc22e1ba5f6b"},
+    {file = "yowasp_nextpnr_ice40_8k-0.0.post2683.dev25-py3-none-any.whl", hash = "sha256:a688a3bb2e8a1e8c0327244d0176a825079ef59ce40698b48c21356efc20fc1d"},
 ]
 yowasp-nextpnr-ice40-all = [
-    {file = "yowasp_nextpnr_ice40_all-0.0.post2658.dev17-py3-none-any.whl", hash = "sha256:d899338055013bb6e7c86fd8f2e6e73125fca0795f84dd16dfb8cb2f9ff0aae1"},
+    {file = "yowasp_nextpnr_ice40_all-0.0.post2683.dev25-py3-none-any.whl", hash = "sha256:ffb9b42f878b2b67fe9d12a344e98aa3593d31565a2543f5db2445cfcb32ed1a"},
 ]
 yowasp-nextpnr-ice40-u4k = [
-    {file = "yowasp_nextpnr_ice40_u4k-0.0.post2658.dev17-py3-none-any.whl", hash = "sha256:ec0f897707addb1c33fdca70f94c4a55942dfccad78be54f54b16905bf7c08bc"},
+    {file = "yowasp_nextpnr_ice40_u4k-0.0.post2683.dev25-py3-none-any.whl", hash = "sha256:117e3bfd700c4c8d7767554dd77d2140c0091a4b8b9365d90a1066ba85d33837"},
 ]
 zipp = [
     {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},

pyproject.toml

@@ -9,18 +9,26 @@ python = "~3.7"
 nmigen = {git = "https://github.com/nmigen/nmigen"}
 nmigen-dg = {git = "https://github.com/pbsds/nmigen_dg"}
 nmigen_boards = "^0.0"
-nmigen-yosys = {version = "^0.9.post4757.dev23", optional = true}
+nmigen-yosys = {version = "^0.9", optional = true}
-yowasp-nextpnr-ecp5-all = {version = "^0.0.post2658.dev17", optional = true}
+yowasp-nextpnr-ecp5-all = {version = "^0.0", optional = true}
-yowasp-nextpnr-ice40-all = {version = "^0.0.post2658.dev17", optional = true}
+yowasp-nextpnr-ice40-all = {version = "^0.0", optional = true}
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.2"
+remote-exec = "^1.6.1"
 
 [tool.poetry.extras]
 yosys = ["nmigen-yosys"]
 nextpnr-ecp5 = ["yowasp-nextpnr-ecp5-all"]
 nextpnr-ice40 = ["yowasp-nextpnr-ice40-all"]
 
+[tool.portray]
+output_dir = "doc_html"
+
+[tool.portray.mkdocs.theme]
+name = "material"
+palette = {primary = "blue grey", accent = "pink"}
+
 [build-system]
 requires = ["poetry>=0.12"]
 build-backend = "poetry.masonry.api"