76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
import os
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import subprocess
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from amaranth.build import *
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from amaranth.vendor.lattice_ice40 import *
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from .resources import *
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__all__ = ["ICEBreakerPlatform"]
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class ICEBreakerPlatform(LatticeICE40Platform):
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device = "iCE40UP5K"
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package = "SG48"
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default_clk = "clk12"
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resources = [
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Resource("clk12", 0, Pins("35", dir="i"),
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Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")),
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*LEDResources(pins="11 37", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
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# Semantic aliases
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Resource("led_r", 0, PinsN("11", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
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Resource("led_g", 0, PinsN("37", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
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*ButtonResources(pins="10", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
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UARTResource(0,
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rx="6", tx="9",
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attrs=Attrs(IO_STANDARD="SB_LVTTL", PULLUP=1)
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),
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*SPIFlashResources(0,
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cs_n="16", clk="15", copi="14", cipo="17", wp_n="12", hold_n="13",
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attrs=Attrs(IO_STANDARD="SB_LVCMOS")
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),
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]
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connectors = [
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Connector("pmod", 0, " 4 2 47 45 - - 3 48 46 44 - -"), # PMOD1A
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Connector("pmod", 1, "43 38 34 31 - - 42 36 32 28 - -"), # PMOD1B
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Connector("pmod", 2, "27 25 21 19 - - 26 23 20 18 - -"), # PMOD2
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]
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# The attached LED/button section can be either used standalone or as a PMOD.
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# Attach to platform using:
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# p.add_resources(p.break_off_pmod)
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# pmod_btn = plat.request("user_btn")
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break_off_pmod = [
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*LEDResources(pins={2: "7", 3: "1", 4: "2", 5: "8", 6: "3"}, conn=("pmod", 2),
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attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
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# Semantic aliases
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Resource("led_r", 1, Pins("7", dir="o", conn=("pmod", 2)),
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Attrs(IO_STANDARD="SB_LVCMOS")),
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Resource("led_g", 1, Pins("1", dir="o", conn=("pmod", 2)),
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Attrs(IO_STANDARD="SB_LVCMOS")),
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Resource("led_g", 2, Pins("2", dir="o", conn=("pmod", 2)),
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Attrs(IO_STANDARD="SB_LVCMOS")),
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Resource("led_g", 3, Pins("8", dir="o", conn=("pmod", 2)),
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Attrs(IO_STANDARD="SB_LVCMOS")),
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Resource("led_g", 4, Pins("3", dir="o", conn=("pmod", 2)),
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Attrs(IO_STANDARD="SB_LVCMOS")),
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*ButtonResources(pins={1: "9", 2: "4", 3: "10"}, conn=("pmod", 2),
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attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
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]
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def toolchain_program(self, products, name):
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iceprog = os.environ.get("ICEPROG", "iceprog")
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with products.extract("{}.bin".format(name)) as bitstream_filename:
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subprocess.check_call([iceprog, bitstream_filename])
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if __name__ == "__main__":
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from .test.blinky import *
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p = ICEBreakerPlatform()
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p.add_resources(p.break_off_pmod)
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p.build(Blinky(), do_program=True)
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