54 lines
1.6 KiB
Python
54 lines
1.6 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__ = ["TinyFPGABXPlatform"]
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class TinyFPGABXPlatform(LatticeICE40Platform):
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device = "iCE40LP8K"
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package = "CM81"
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default_clk = "clk16"
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resources = [
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Resource("clk16", 0, Pins("B2", dir="i"),
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Clock(16e6), Attrs(IO_STANDARD="SB_LVCMOS")),
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*LEDResources(pins="B3", attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
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DirectUSBResource(0, d_p="B4", d_n="A4", pullup="A3",
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attrs=Attrs(IO_STANDARD="SB_LVCMOS")
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),
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*SPIFlashResources(0,
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cs_n="F7", clk="G7", copi="G6", cipo="H7", wp_n="H4", hold_n="J8",
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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("gpio", 0,
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# Left side of the board
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# 1 2 3 4 5 6 7 8 9 10 11 12 13
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" A2 A1 B1 C2 C1 D2 D1 E2 E1 G2 H1 J1 H2 "
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# Right side of the board
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# 14 15 16 17 18 19 20 21 22 23 24
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" H9 D9 D8 C9 A9 B8 A8 B7 A7 B6 A6 "
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# Bottom of the board
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# 25 26 27 28 29 30 31
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"G1 J3 J4 G9 J9 E8 J2"
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),
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]
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def toolchain_program(self, products, name):
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tinyprog = os.environ.get("TINYPROG", "tinyprog")
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with products.extract("{}.bin".format(name)) as bitstream_filename:
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subprocess.check_call([tinyprog, "-p", bitstream_filename])
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if __name__ == "__main__":
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from .test.blinky import *
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TinyFPGABXPlatform().build(Blinky(), do_program=True)
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