49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
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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__ = ["ICESugarNanoPlatform"]
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class ICESugarNanoPlatform(LatticeICE40Platform):
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device = "iCE40LP1K"
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package = "CM36"
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default_clk = "clk12"
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resources = [
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Resource("clk12", 0, Pins("D1", dir="i"),
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Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="LVCMOS33")),
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*LEDResources(pins="B6", invert=False, attrs=Attrs(IO_STANDARD="LVCMOS33")),
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UARTResource(0,
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tx="B3", rx="A3",
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attrs=Attrs(IO_STANDARD="LVTTL33", PULLUP=1)
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),
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*SPIFlashResources(0,
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cs_n="D5", clk="E5", copi="E4", cipo="F5",
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attrs=Attrs(IO_STANDARD="LVCMOS33")
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),
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]
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connectors = [
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Connector("pmod", 0, "E2 D1 B1 A1 - -"), # PMOD1
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Connector("pmod", 1, "B3 A3 B6 C5 - -"), # PMOD2
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Connector("pmod", 2, "B4 B5 E1 B1 - - C6 E3 C2 A1 - -"), # PMOD3
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]
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def toolchain_program(self, products, name):
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icesprog = os.environ.get("ICESPROG", "icesprog")
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with products.extract("{}.bin".format(name)) as bitstream_filename:
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subprocess.check_call([icesprog, bitstream_filename])
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if __name__ == "__main__":
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from .test.blinky import *
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ICESugarNanoPlatform().build(Blinky(), do_program=True)
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